diff options
| author | Jeff Hartmann <jhartmann@valinux.com> | 2001-02-28 16:19:17 +0000 |
|---|---|---|
| committer | Jeff Hartmann <jhartmann@valinux.com> | 2001-02-28 16:19:17 +0000 |
| commit | 7cbc7414db9dc3185218bac90b14f423004d4f44 (patch) | |
| tree | cbdff6a22653ed480d8364be2d253f636dad3f65 | |
| parent | 8a09edf4298df98724f373351ba0d55ee6d8a704 (diff) | |
Merge of trunk into ati-pcigart-0-0-1-branch part 1
93 files changed, 26573 insertions, 16496 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c index 7aab8f7a..73a083e3 100644 --- a/libdrm/xf86drm.c +++ b/libdrm/xf86drm.c @@ -81,7 +81,18 @@ extern unsigned long _bus_base(void); #include "xf86drm.h" #include "drm.h" -#define DRM_FIXED_DEVICE_MAJOR 145 +#ifndef DRM_MAJOR +#define DRM_MAJOR 226 /* Linux */ +#endif + +#ifndef __linux__ +#undef DRM_MAJOR +#define DRM_MAJOR 145 /* Should set in drm.h for *BSD */ +#endif + +#ifndef DRM_MAX_MINOR +#define DRM_MAX_MINOR 16 +#endif #ifdef __linux__ #include <sys/sysmacros.h> /* for makedev() */ @@ -161,93 +172,108 @@ static drmHashEntry *drmGetEntry(int fd) return entry; } -/* drm_open is used to open the /dev/dri device */ - -static int drm_open(const char *file) -{ - int fd = open(file, O_RDWR, 0); - - if (fd >= 0) return fd; - return -errno; -} - -static int drmOpenDevice(const char *path, long dev, - mode_t mode, uid_t user, gid_t group) +static int drmOpenDevice(long dev, int minor) { #ifdef XFree86LOADER struct xf86stat st; #else struct stat st; #endif + char buf[64]; + int fd; + mode_t dirmode = DRM_DEV_DIRMODE; + mode_t devmode = DRM_DEV_MODE; + int isroot = !geteuid(); +#if defined(XFree86Server) + uid_t user = DRM_DEV_UID; + gid_t group = DRM_DEV_GID; +#endif - /* Fiddle mode to remove execute bits */ - mode &= ~(S_IXUSR|S_IXGRP|S_IXOTH); +#if defined(XFree86Server) + devmode = xf86ConfigDRI.mode ? xf86ConfigDRI.mode : DRM_DEV_MODE; + dirmode = (devmode & S_IRUSR) ? S_IXUSR : 0; + dirmode |= (devmode & S_IRGRP) ? S_IXGRP : 0; + dirmode |= (devmode & S_IROTH) ? S_IXOTH : 0; + dirmode |= devmode; + devmode &= ~(S_IXUSR|S_IXGRP|S_IXOTH); + group = (xf86ConfigDRI.group >= 0) ? xf86ConfigDRI.group : DRM_DEV_GID; +#endif - if (!stat(path, &st) && st.st_rdev == dev) { - if (!geteuid()) { - chown(path, user, group); - chmod(path, mode); - } - return drm_open(path); + if (stat(DRM_DIR_NAME, &st)) { + if (!isroot) return DRM_ERR_NOT_ROOT; + remove(DRM_DIR_NAME); + mkdir(DRM_DIR_NAME, dirmode); } +#if defined(XFree86Server) + chown(DRM_DIR_NAME, user, group); + chmod(DRM_DIR_NAME, dirmode); +#endif - if (geteuid()) return DRM_ERR_NOT_ROOT; - remove(path); - if (mknod(path, S_IFCHR, dev)) { - remove(path); - return DRM_ERR_NOT_ROOT; + sprintf(buf, DRM_DEV_NAME, DRM_DIR_NAME, minor); + if (stat(buf, &st) || st.st_rdev != dev) { + if (!isroot) return DRM_ERR_NOT_ROOT; + remove(buf); + mknod(buf, S_IFCHR | devmode, dev); } - chown(path, user, group); - chmod(path, mode); - return drm_open(path); +#if defined(XFree86Server) + chown(buf, user, group); + chmod(buf, devmode); +#endif + + if ((fd = open(buf, O_RDWR, 0)) >= 0) return fd; + remove(buf); + return -errno; } -/* drmAvailable looks for /proc/dri, and returns 1 if it is present. On - OSs that do not have a Linux-like /proc, this information will not be - available, and we'll have to create a device and check if the driver is - loaded that way. */ +int drmOpenMinor(int minor, int create) +{ + int fd; + char buf[64]; + + if (create) return drmOpenDevice(makedev(DRM_MAJOR, minor), minor); + + sprintf(buf, DRM_DEV_NAME, DRM_DIR_NAME, minor); + if ((fd = open(buf, O_RDWR, 0)) >= 0) return fd; + return -errno; +} + +/* drmAvailable looks for (DRM_MAJOR, 0) and returns 1 if it returns + information for DRM_IOCTL_VERSION. For backward compatibility with + older Linux implementations, /proc/dri is also checked. */ int drmAvailable(void) { - char dev_name[64]; drmVersionPtr version; int retval = 0; int fd; - if (!access("/proc/dri/0", R_OK)) return 1; - - sprintf(dev_name, "/dev/dri-temp-%d", getpid()); - - remove(dev_name); - if ((fd = drmOpenDevice(dev_name, makedev(DRM_FIXED_DEVICE_MAJOR, 0), - S_IRUSR, geteuid(), getegid())) >= 0) { - /* Read version to make sure this is - actually a DRI device. */ - if ((version = drmGetVersion(fd))) { - retval = 1; - drmFreeVersion(version); - } - close(fd); + if ((fd = drmOpenMinor(0, 1)) < 0) { + /* Try proc for backward Linux compatibility */ + if (!access("/proc/dri/0", R_OK)) return 1; + return 0; + } + + if ((version = drmGetVersion(fd))) { + retval = 1; + drmFreeVersion(version); } - remove(dev_name); + close(fd); return retval; } static int drmOpenByBusid(const char *busid) { - int i; - char dev_name[64]; - char *buf; - int fd; - - for (i = 0; i < 8; i++) { - sprintf(dev_name, "/dev/dri/card%d", i); - if ((fd = drm_open(dev_name)) >= 0) { + int i; + int fd; + const char *buf; + + for (i = 0; i < DRM_MAX_MINOR; i++) { + if ((fd = drmOpenMinor(i, 0)) >= 0) { buf = drmGetBusid(fd); if (buf && !strcmp(buf, busid)) { - drmFreeBusid(buf); - return fd; + drmFreeBusid(buf); + return fd; } if (buf) drmFreeBusid(buf); close(fd); @@ -258,54 +284,43 @@ static int drmOpenByBusid(const char *busid) static int drmOpenByName(const char *name) { - int i; - char proc_name[64]; - char dev_name[64]; - char buf[512]; - mode_t mode = DRM_DEV_MODE; - mode_t dirmode; - gid_t group = DRM_DEV_GID; - uid_t user = DRM_DEV_UID; - int fd; - char *pt; - char *driver = NULL; - char *devstring; - long dev = 0; - int retcode; - -#if defined(XFree86Server) - mode = xf86ConfigDRI.mode ? xf86ConfigDRI.mode : DRM_DEV_MODE; - group = (xf86ConfigDRI.group >= 0) ? xf86ConfigDRI.group : DRM_DEV_GID; -#endif - -#if defined(XFree86Server) + int i; + int fd; + drmVersionPtr version; + if (!drmAvailable()) { +#if !defined(XFree86Server) + return -1; +#else /* try to load the kernel module now */ if (!xf86LoadKernelModule(name)) { ErrorF("[drm] failed to load kernel module \"%s\"\n", name); return -1; } - } -#else - if (!drmAvailable()) - return -1; #endif + } - if (!geteuid()) { - dirmode = mode; - if (dirmode & S_IRUSR) dirmode |= S_IXUSR; - if (dirmode & S_IRGRP) dirmode |= S_IXGRP; - if (dirmode & S_IROTH) dirmode |= S_IXOTH; - dirmode &= ~(S_IWGRP | S_IWOTH); - mkdir("/dev/dri", 0); - chown("/dev/dri", user, group); - chmod("/dev/dri", dirmode); + for (i = 0; i < DRM_MAX_MINOR; i++) { + if ((fd = drmOpenMinor(i, 1)) >= 0) { + if ((version = drmGetVersion(fd))) { + if (!strcmp(version->name, name)) { + drmFreeVersion(version); + return fd; + } + drmFreeVersion(version); + } + } } +#ifdef __linux__ + /* Backward-compatibility /proc support */ for (i = 0; i < 8; i++) { + char proc_name[64], buf[512]; + char *driver, *pt, *devstring; + int retcode; + sprintf(proc_name, "/proc/dri/%d/name", i); - sprintf(dev_name, "/dev/dri/card%d", i); if ((fd = open(proc_name, 0, 0)) >= 0) { retcode = read(fd, buf, sizeof(buf)-1); close(fd); @@ -319,34 +334,17 @@ static int drmOpenByName(const char *name) for (devstring = ++pt; *pt && *pt != ' '; ++pt) ; if (*pt) { /* Found busid */ - return drmOpenByBusid(++pt); + return drmOpenByBusid(++pt); } else { /* No busid */ - dev = strtol(devstring, NULL, 0); - return drmOpenDevice(dev_name, dev, - mode, user, group); + return drmOpenDevice(strtol(devstring, NULL, 0),i); } } } } - } else { - drmVersionPtr version; - /* /proc/dri not available, possibly - because we aren't on a Linux system. - So, try to create the next device and - see if it's active. */ - dev = makedev(DRM_FIXED_DEVICE_MAJOR, i); - if ((fd = drmOpenDevice(dev_name, dev, mode, user, group))) { - if ((version = drmGetVersion(fd))) { - if (!strcmp(version->name, name)) { - drmFreeVersion(version); - return fd; - } - drmFreeVersion(version); - } - } - remove(dev_name); } } +#endif + return -1; } @@ -696,9 +694,12 @@ int drmUnmapBufs(drmBufMapPtr bufs) return 0; } +#define DRM_DMA_RETRY 16 + int drmDMA(int fd, drmDMAReqPtr request) { drm_dma_t dma; + int ret, i = 0; /* Copy to hidden structure */ dma.context = request->context; @@ -710,10 +711,17 @@ int drmDMA(int fd, drmDMAReqPtr request) dma.request_size = request->request_size; dma.request_indices = request->request_list; dma.request_sizes = request->request_sizes; - if (ioctl(fd, DRM_IOCTL_DMA, &dma)) return -errno; - request->granted_count = dma.granted_count; - return 0; + do { + ret = ioctl( fd, DRM_IOCTL_DMA, &dma ); + } while ( ret && errno == EAGAIN && i++ < DRM_DMA_RETRY ); + + if ( ret == 0 ) { + request->granted_count = dma.granted_count; + return 0; + } else { + return -errno; + } } int drmGetLock(int fd, drmContext context, drmLockFlags flags) @@ -989,28 +997,6 @@ unsigned int drmAgpDeviceId(int fd) return i.id_device; } -int drmScatterGatherAlloc(int fd, unsigned long size, unsigned long *handle) -{ - drm_scatter_gather_t sg; - - *handle = 0; - sg.size = size; - sg.handle = 0; - if (ioctl(fd, DRM_IOCTL_SG_ALLOC, &sg)) return -errno; - *handle = sg.handle; - return 0; -} - -int drmScatterGatherFree(int fd, unsigned long handle) -{ - drm_scatter_gather_t sg; - - sg.size = 0; - sg.handle = handle; - if (ioctl(fd, DRM_IOCTL_SG_FREE, &sg)) return -errno; - return 0; -} - int drmError(int err, const char *label) { switch (err) { @@ -1102,6 +1088,160 @@ void *drmGetContextTag(int fd, drmContext context) return value; } +int drmGetMap(int fd, int idx, drmHandle *offset, drmSize *size, + drmMapType *type, drmMapFlags *flags, drmHandle *handle, + int *mtrr) +{ + drm_map_t map; + + map.offset = idx; + if (ioctl(fd, DRM_IOCTL_GET_MAP, &map)) return -errno; + *offset = map.offset; + *size = map.size; + *type = map.type; + *flags = map.flags; + *handle = (unsigned long)map.handle; + *mtrr = map.mtrr; + return 0; +} + +int drmGetClient(int fd, int idx, int *auth, int *pid, int *uid, + unsigned long *magic, unsigned long *iocs) +{ + drm_client_t client; + + client.idx = idx; + if (ioctl(fd, DRM_IOCTL_GET_CLIENT, &client)) return -errno; + *auth = client.auth; + *pid = client.pid; + *uid = client.uid; + *magic = client.magic; + *iocs = client.iocs; + return 0; +} + +int drmGetStats(int fd, drmStatsT *stats) +{ + drm_stats_t s; + int i; + + if (ioctl(fd, DRM_IOCTL_GET_STATS, &s)) return -errno; + + stats->count = 0; + memset(stats, 0, sizeof(*stats)); + if (s.count > sizeof(stats->data)/sizeof(stats->data[0])) + return -1; + +#define SET_VALUE \ + stats->data[i].long_format = "%-20.20s"; \ + stats->data[i].rate_format = "%8.8s"; \ + stats->data[i].isvalue = 1; \ + stats->data[i].verbose = 0 + +#define SET_COUNT \ + stats->data[i].long_format = "%-20.20s"; \ + stats->data[i].rate_format = "%5.5s"; \ + stats->data[i].isvalue = 0; \ + stats->data[i].mult_names = "kgm"; \ + stats->data[i].mult = 1000; \ + stats->data[i].verbose = 0 + +#define SET_BYTE \ + stats->data[i].long_format = "%-20.20s"; \ + stats->data[i].rate_format = "%5.5s"; \ + stats->data[i].isvalue = 0; \ + stats->data[i].mult_names = "KGM"; \ + stats->data[i].mult = 1024; \ + stats->data[i].verbose = 0 + + + stats->count = s.count; + for (i = 0; i < s.count; i++) { + stats->data[i].value = s.data[i].value; + switch (s.data[i].type) { + case _DRM_STAT_LOCK: + stats->data[i].long_name = "Lock"; + stats->data[i].rate_name = "Lock"; + SET_VALUE; + break; + case _DRM_STAT_OPENS: + stats->data[i].long_name = "Opens"; + stats->data[i].rate_name = "O"; + SET_COUNT; + stats->data[i].verbose = 1; + break; + case _DRM_STAT_CLOSES: + stats->data[i].long_name = "Closes"; + stats->data[i].rate_name = "Lock"; + SET_COUNT; + stats->data[i].verbose = 1; + break; + case _DRM_STAT_IOCTLS: + stats->data[i].long_name = "Ioctls"; + stats->data[i].rate_name = "Ioc/s"; + SET_COUNT; + break; + case _DRM_STAT_LOCKS: + stats->data[i].long_name = "Locks"; + stats->data[i].rate_name = "Lck/s"; + SET_COUNT; + break; + case _DRM_STAT_UNLOCKS: + stats->data[i].long_name = "Unlocks"; + stats->data[i].rate_name = "Unl/s"; + SET_COUNT; + break; + case _DRM_STAT_IRQ: + stats->data[i].long_name = "IRQs"; + stats->data[i].rate_name = "IRQ/s"; + SET_COUNT; + break; + case _DRM_STAT_PRIMARY: + stats->data[i].long_name = "Primary Bytes"; + stats->data[i].rate_name = "PB/s"; + SET_BYTE; + break; + case _DRM_STAT_SECONDARY: + stats->data[i].long_name = "Secondary Bytes"; + stats->data[i].rate_name = "SB/s"; + SET_BYTE; + break; + case _DRM_STAT_DMA: + stats->data[i].long_name = "DMA"; + stats->data[i].rate_name = "DMA/s"; + SET_COUNT; + break; + case _DRM_STAT_SPECIAL: + stats->data[i].long_name = "Special DMA"; + stats->data[i].rate_name = "dma/s"; + SET_COUNT; + break; + case _DRM_STAT_MISSED: + stats->data[i].long_name = "Miss"; + stats->data[i].rate_name = "Ms/s"; + SET_COUNT; + break; + case _DRM_STAT_VALUE: + stats->data[i].long_name = "Value"; + stats->data[i].rate_name = "Value"; + SET_VALUE; + break; + case _DRM_STAT_BYTE: + stats->data[i].long_name = "Bytes"; + stats->data[i].rate_name = "B/s"; + SET_BYTE; + break; + case _DRM_STAT_COUNT: + default: + stats->data[i].long_name = "Count"; + stats->data[i].rate_name = "Cnt/s"; + SET_COUNT; + break; + } + } + return 0; +} + #if defined(XFree86Server) || defined(DRM_USE_MALLOC) static void drmSIGIOHandler(int interrupt, void *closure) { diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel index 42e13846..a434a120 100644 --- a/linux-core/Makefile.kernel +++ b/linux-core/Makefile.kernel @@ -62,7 +62,7 @@ obj-$(CONFIG_DRM_MGA) += mga.o obj-$(CONFIG_DRM_I810) += i810.o -# When linking into the kernel, link the library just once. +# When linking into the kernel, link the library just once. # If making modules, we include the library into each module lib-objs-mod := $(patsubst %.o,%-mod.o,$(lib-objs)) @@ -75,7 +75,7 @@ endif include $(TOPDIR)/Rules.make -$(patsubst %.o,%.c,$(lib-objs-mod)): +$(patsubst %.o,%.c,$(lib-objs-mod)): @ln -sf $(subst -mod,,$@) $@ drmlib-mod.a: $(lib-objs-mod) diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 187464a3..4032689a 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -11,22 +11,22 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #ifndef _DRM_P_H_ @@ -53,7 +53,7 @@ #include <linux/sched.h> #include <linux/smp_lock.h> /* For (un)lock_kernel */ #include <linux/mm.h> -#if defined(__alpha__) || defined(__powerpc__) +#ifdef __alpha__ #include <asm/pgtable.h> /* For pte_wrprotect */ #endif #include <asm/io.h> @@ -75,9 +75,43 @@ #endif #include "drm.h" +/* DRM template customization defaults + */ +#ifndef __HAVE_AGP +#define __HAVE_AGP 0 +#endif +#ifndef __HAVE_MTRR +#define __HAVE_MTRR 0 +#endif +#ifndef __HAVE_CTX_BITMAP +#define __HAVE_CTX_BITMAP 0 +#endif +#ifndef __HAVE_DMA +#define __HAVE_DMA 0 +#endif +#ifndef __HAVE_DMA_IRQ +#define __HAVE_DMA_IRQ 0 +#endif +#ifndef __HAVE_DMA_WAITLIST +#define __HAVE_DMA_WAITLIST 0 +#endif +#ifndef __HAVE_DMA_FREELIST +#define __HAVE_DMA_FREELIST 0 +#endif +#ifndef __HAVE_DMA_HISTOGRAM +#define __HAVE_DMA_HISTOGRAM 0 +#endif + +#define __REALLY_HAVE_AGP (__HAVE_AGP && (defined(CONFIG_AGP) || \ + defined(CONFIG_AGP_MODULE))) +#define __REALLY_HAVE_MTRR (__HAVE_MTRR && defined(CONFIG_MTRR)) + + +/* Begin the DRM... + */ + #define DRM_DEBUG_CODE 2 /* Include debugging code (if > 1, then also include looping detection. */ -#define DRM_DMA_HISTOGRAM 1 /* Make histogram of DMA latency. */ #define DRM_HASH_SIZE 16 /* Size of key hash table */ #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ @@ -109,8 +143,7 @@ #define DRM_MEM_TOTALAGP 16 #define DRM_MEM_BOUNDAGP 17 #define DRM_MEM_CTXBITMAP 18 -#define DRM_MEM_SG 19 -#define DRM_MEM_SGLISTS 20 +#define DRM_MEM_STUB 19 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) @@ -250,58 +283,27 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, return old; } -#elif defined(__powerpc__) -extern void __cmpxchg_called_with_bad_pointer(void); -static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, - unsigned long new, int size) -{ - unsigned long prev; - - switch (size) { - case 4: - __asm__ __volatile__( - "sync;" - "0: lwarx %0,0,%1 ;" - " cmpl 0,%0,%3;" - " bne 1f;" - " stwcx. %2,0,%1;" - " bne- 0b;" - "1: " - "sync;" - : "=&r"(prev) - : "r"(ptr), "r"(new), "r"(old) - : "cr0", "memory"); - return prev; - } - __cmpxchg_called_with_bad_pointer(); - return old; -} - -#endif /* i386, powerpc & alpha */ - -#ifndef __alpha__ #define cmpxchg(ptr,o,n) \ ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o), \ (unsigned long)(n),sizeof(*(ptr)))) +#endif /* i386 & alpha */ #endif -#endif /* __HAVE_ARCH_CMPXCHG */ - /* Macros to make printk easier */ #define DRM_ERROR(fmt, arg...) \ printk(KERN_ERR "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg) #define DRM_MEM_ERROR(area, fmt, arg...) \ printk(KERN_ERR "[" DRM_NAME ":" __FUNCTION__ ":%s] *ERROR* " fmt , \ - drm_mem_stats[area].name , ##arg) + DRM(mem_stats)[area].name , ##arg) #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) #if DRM_DEBUG_CODE -#define DRM_DEBUG(fmt, arg...) \ - do { \ - if (drm_flags&DRM_FLAG_DEBUG) \ - printk(KERN_DEBUG \ - "[" DRM_NAME ":" __FUNCTION__ "] " fmt , \ - ##arg); \ +#define DRM_DEBUG(fmt, arg...) \ + do { \ + if ( DRM(flags) & DRM_FLAG_DEBUG ) \ + printk(KERN_DEBUG \ + "[" DRM_NAME ":" __FUNCTION__ "] " fmt , \ + ##arg); \ } while (0) #else #define DRM_DEBUG(fmt, arg...) do { } while (0) @@ -309,13 +311,34 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #define DRM_PROC_LIMIT (PAGE_SIZE-80) -#define DRM_PROC_PRINT(fmt, arg...) \ - len += sprintf(&buf[len], fmt , ##arg); \ - if (len > DRM_PROC_LIMIT) return len; +#define DRM_PROC_PRINT(fmt, arg...) \ + len += sprintf(&buf[len], fmt , ##arg); \ + if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } + +#define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ + len += sprintf(&buf[len], fmt , ##arg); \ + if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } + + /* Mapping helper macros */ +#define DRM_IOREMAP(map) \ + (map)->handle = DRM(ioremap)( (map)->offset, (map)->size ) -#define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ - len += sprintf(&buf[len], fmt , ##arg); \ - if (len > DRM_PROC_LIMIT) { ret; return len; } +#define DRM_IOREMAPFREE(map) \ + do { \ + if ( (map)->handle && (map)->size ) \ + DRM(ioremapfree)( (map)->handle, (map)->size ); \ + } while (0) + +#define DRM_FIND_MAP(map, o) \ + do { \ + int i; \ + for ( i = 0 ; i < dev->map_count ; i++ ) { \ + if ( dev->maplist[i]->offset == o ) { \ + map = dev->maplist[i]; \ + break; \ + } \ + } \ + } while (0) /* Internal types and structures */ #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) @@ -326,8 +349,8 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) -typedef int drm_ioctl_t(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +typedef int drm_ioctl_t( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); typedef struct drm_ioctl_desc { drm_ioctl_t *func; @@ -337,7 +360,7 @@ typedef struct drm_ioctl_desc { typedef struct drm_devstate { pid_t owner; /* X server pid holding x_lock */ - + } drm_devstate_t; typedef struct drm_magic_entry { @@ -398,14 +421,14 @@ typedef struct drm_buf { #define DRM_DMA_HISTOGRAM_NEXT(current) ((current)*10) typedef struct drm_histogram { atomic_t total; - + atomic_t queued_to_dispatched[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t dispatched_to_completed[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t completed_to_freed[DRM_DMA_HISTOGRAM_SLOTS]; - + atomic_t queued_to_completed[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t queued_to_freed[DRM_DMA_HISTOGRAM_SLOTS]; - + atomic_t dma[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t schedule[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t ctx[DRM_DMA_HISTOGRAM_SLOTS]; @@ -429,7 +452,7 @@ typedef struct drm_freelist { int initialized; /* Freelist in use */ atomic_t count; /* Number of free buffers */ drm_buf_t *next; /* End pointer */ - + wait_queue_head_t waiting; /* Processes waiting on free bufs */ int low_mark; /* Low water mark */ int high_mark; /* High water mark */ @@ -475,9 +498,11 @@ typedef struct drm_queue { wait_queue_head_t read_queue; /* Processes waiting on block_read */ atomic_t block_write; /* Queue blocked for writes */ wait_queue_head_t write_queue; /* Processes waiting on block_write */ +#if 1 atomic_t total_queued; /* Total queued statistic */ atomic_t total_flushed;/* Total flushes statistic */ atomic_t total_locks; /* Total locks statistics */ +#endif drm_ctx_flags_t flags; /* Context preserving and 2D-only */ drm_waitlist_t waitlist; /* Pending buffers */ wait_queue_head_t flush_queue; /* Processes waiting until flush */ @@ -491,11 +516,12 @@ typedef struct drm_lock_data { } drm_lock_data_t; typedef struct drm_device_dma { +#if 0 /* Performance Counters */ atomic_t total_prio; /* Total DRM_DMA_PRIORITY */ atomic_t total_bytes; /* Total bytes DMA'd */ atomic_t total_dmas; /* Total DMA buffers dispatched */ - + atomic_t total_missed_dma; /* Missed drm_do_dma */ atomic_t total_missed_lock; /* Missed lock in drm_do_dma */ atomic_t total_missed_free; /* Missed drm_free_this_buffer */ @@ -504,17 +530,17 @@ typedef struct drm_device_dma { atomic_t total_tried; /* Tried next_buffer */ atomic_t total_hit; /* Sent next_buffer */ atomic_t total_lost; /* Lost interrupt */ +#endif drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; int buf_count; drm_buf_t **buflist; /* Vector of pointers info bufs */ - int seg_count; + int seg_count; int page_count; unsigned long *pagelist; unsigned long byte_count; enum { - _DRM_DMA_USE_AGP = 0x01, - _DRM_DMA_USE_SG = 0x02 + _DRM_DMA_USE_AGP = 0x01 } flags; /* DMA support */ @@ -524,7 +550,7 @@ typedef struct drm_device_dma { wait_queue_head_t waiting; /* Processes waiting on free bufs */ } drm_device_dma_t; -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) +#if __REALLY_HAVE_AGP typedef struct drm_agp_mem { unsigned long handle; agp_memory *memory; @@ -546,13 +572,6 @@ typedef struct drm_agp_head { } drm_agp_head_t; #endif -typedef struct drm_sg_mem { - unsigned long handle; - void *virtual; - int pages; - struct page **pagelist; -} drm_sg_mem_t; - typedef struct drm_sigdata { int context; drm_hw_lock_t *lock; @@ -564,7 +583,7 @@ typedef struct drm_device { int unique_len; /* Length of unique field */ dev_t device; /* Device number for mknod */ char *devname; /* For /proc/interrupts */ - + int blocked; /* Blocked due to VC switch? */ struct proc_dir_entry *root; /* Root for this device's entries */ @@ -579,17 +598,10 @@ typedef struct drm_device { int buf_use; /* Buffers in use -- cannot alloc */ atomic_t buf_alloc; /* Buffer allocation in progress */ - /* Performance Counters */ - atomic_t total_open; - atomic_t total_close; - atomic_t total_ioctl; - atomic_t total_irq; /* Total interruptions */ - atomic_t total_ctx; /* Total context switches */ - - atomic_t total_locks; - atomic_t total_unlocks; - atomic_t total_contends; - atomic_t total_sleeps; + /* Performance counters */ + unsigned long counters; + drm_stat_type_t types[15]; + atomic_t counts[15]; /* Authentication */ drm_file_t *file_first; @@ -623,10 +635,10 @@ typedef struct drm_device { struct tq_struct tq; cycles_t ctx_start; cycles_t lck_start; -#if DRM_DMA_HISTOGRAM +#if __HAVE_DMA_HISTOGRAM drm_histogram_t histo; #endif - + /* Callback to X server for context switch and for heavy-handed reset. */ char buf[DRM_BSZ]; /* Output buffer */ @@ -636,11 +648,10 @@ typedef struct drm_device { struct fasync_struct *buf_async;/* Processes waiting for SIGIO */ wait_queue_head_t buf_readers; /* Processes waiting to read */ wait_queue_head_t buf_writers; /* Processes waiting to ctx switch */ - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + +#if __REALLY_HAVE_AGP drm_agp_head_t *agp; #endif - drm_sg_mem_t *sg; /* Scatter / gather memory */ unsigned long *ctx_bitmap; void *dev_private; drm_sigdata_t sigdata; /* For block_all_signals */ @@ -648,246 +659,276 @@ typedef struct drm_device { } drm_device_t; - /* Internal function definitions */ - - /* Misc. support (init.c) */ -extern int drm_flags; -extern void drm_parse_options(char *s); -extern int drm_cpu_valid(void); +/* ================================================================ + * Internal function definitions + */ + /* Misc. support (drm_init.h) */ +extern int DRM(flags); +extern void DRM(parse_options)( char *s ); +extern int DRM(cpu_valid)( void ); - /* Device support (fops.c) */ -extern int drm_open_helper(struct inode *inode, struct file *filp, - drm_device_t *dev); -extern int drm_flush(struct file *filp); -extern int drm_release(struct inode *inode, struct file *filp); -extern int drm_fasync(int fd, struct file *filp, int on); -extern ssize_t drm_read(struct file *filp, char *buf, size_t count, - loff_t *off); -extern int drm_write_string(drm_device_t *dev, const char *s); -extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); + /* Driver support (drm_drv.h) */ +extern int DRM(version)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(open)(struct inode *inode, struct file *filp); +extern int DRM(release)(struct inode *inode, struct file *filp); +extern int DRM(ioctl)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(lock)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(unlock)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); - /* Mapping support (vm.c) */ + /* Device support (drm_fops.h) */ +extern int DRM(open_helper)(struct inode *inode, struct file *filp, + drm_device_t *dev); +extern int DRM(flush)(struct file *filp); +extern int DRM(release_fuck)(struct inode *inode, struct file *filp); +extern int DRM(fasync)(int fd, struct file *filp, int on); +extern ssize_t DRM(read)(struct file *filp, char *buf, size_t count, + loff_t *off); +extern int DRM(write_string)(drm_device_t *dev, const char *s); +extern unsigned int DRM(poll)(struct file *filp, + struct poll_table_struct *wait); + + /* Mapping support (drm_vm.h) */ #if LINUX_VERSION_CODE < 0x020317 -extern unsigned long drm_vm_nopage(struct vm_area_struct *vma, +extern unsigned long DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +#else + /* Return type changed in 2.3.23 */ +extern struct page *DRM(vm_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma, +extern struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_shm_nopage_lock(struct vm_area_struct *vma, +extern struct page *DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma, +extern struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_sg_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -#else - /* Return type changed in 2.3.23 */ -extern struct page *drm_vm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_sg_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -#endif -extern void drm_vm_open(struct vm_area_struct *vma); -extern void drm_vm_close(struct vm_area_struct *vma); -extern int drm_mmap_dma(struct file *filp, - struct vm_area_struct *vma); -extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); - - - /* Proc support (proc.c) */ -extern int drm_proc_init(drm_device_t *dev); -extern int drm_proc_cleanup(void); - - /* Memory management support (memory.c) */ -extern void drm_mem_init(void); -extern int drm_mem_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data); -extern void *drm_alloc(size_t size, int area); -extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, - int area); -extern char *drm_strdup(const char *s, int area); -extern void drm_strfree(const char *s, int area); -extern void drm_free(void *pt, size_t size, int area); -extern unsigned long drm_alloc_pages(int order, int area); -extern void drm_free_pages(unsigned long address, int order, - int area); -extern void *drm_ioremap(unsigned long offset, unsigned long size); -extern void drm_ioremapfree(void *pt, unsigned long size); - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) -extern agp_memory *drm_alloc_agp(int pages, u32 type); -extern int drm_free_agp(agp_memory *handle, int pages); -extern int drm_bind_agp(agp_memory *handle, unsigned int start); -extern int drm_unbind_agp(agp_memory *handle); +#endif +extern void DRM(vm_open)(struct vm_area_struct *vma); +extern void DRM(vm_close)(struct vm_area_struct *vma); +extern int DRM(mmap_dma)(struct file *filp, + struct vm_area_struct *vma); +extern int DRM(mmap)(struct file *filp, struct vm_area_struct *vma); + + /* Memory management support (drm_memory.h) */ +extern void DRM(mem_init)(void); +extern int DRM(mem_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +extern void *DRM(alloc)(size_t size, int area); +extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, + int area); +extern char *DRM(strdup)(const char *s, int area); +extern void DRM(strfree)(const char *s, int area); +extern void DRM(free)(void *pt, size_t size, int area); +extern unsigned long DRM(alloc_pages)(int order, int area); +extern void DRM(free_pages)(unsigned long address, int order, + int area); +extern void *DRM(ioremap)(unsigned long offset, unsigned long size); +extern void DRM(ioremapfree)(void *pt, unsigned long size); + +#if __REALLY_HAVE_AGP +extern agp_memory *DRM(alloc_agp)(int pages, u32 type); +extern int DRM(free_agp)(agp_memory *handle, int pages); +extern int DRM(bind_agp)(agp_memory *handle, unsigned int start); +extern int DRM(unbind_agp)(agp_memory *handle); #endif - - /* Buffer management support (bufs.c) */ -extern int drm_order(unsigned long size); -extern int drm_addmap(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_addbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_infobufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_markbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_freebufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_mapbufs(struct inode *inode, struct file *filp, + /* Misc. IOCTL support (drm_ioctl.h) */ +extern int DRM(irq_busid)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(getunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(setunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(getmap)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); +extern int DRM(getclient)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(getstats)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); - - /* Buffer list management support (lists.c) */ -extern int drm_waitlist_create(drm_waitlist_t *bl, int count); -extern int drm_waitlist_destroy(drm_waitlist_t *bl); -extern int drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf); -extern drm_buf_t *drm_waitlist_get(drm_waitlist_t *bl); - -extern int drm_freelist_create(drm_freelist_t *bl, int count); -extern int drm_freelist_destroy(drm_freelist_t *bl); -extern int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, - drm_buf_t *buf); -extern drm_buf_t *drm_freelist_get(drm_freelist_t *bl, int block); - - /* DMA support (gen_dma.c) */ -extern void drm_dma_setup(drm_device_t *dev); -extern void drm_dma_takedown(drm_device_t *dev); -extern void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); -extern void drm_reclaim_buffers(drm_device_t *dev, pid_t pid); -extern int drm_context_switch(drm_device_t *dev, int old, int new); -extern int drm_context_switch_complete(drm_device_t *dev, int new); -extern void drm_clear_next_buffer(drm_device_t *dev); -extern int drm_select_queue(drm_device_t *dev, - void (*wrapper)(unsigned long)); -extern int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *dma); -extern int drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma); -#if DRM_DMA_HISTOGRAM -extern int drm_histogram_slot(unsigned long count); -extern void drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf); + /* Context IOCTL support (drm_context.h) */ +extern int DRM(resctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(addctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(modctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(getctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(switchctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(newctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(rmctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + +extern int DRM(context_switch)(drm_device_t *dev, int old, int new); +extern int DRM(context_switch_complete)(drm_device_t *dev, int new); + +#if __HAVE_CTX_BITMAP +extern int DRM(ctxbitmap_init)( drm_device_t *dev ); +extern void DRM(ctxbitmap_cleanup)( drm_device_t *dev ); #endif - - /* Misc. IOCTL support (ioctl.c) */ -extern int drm_irq_busid(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_getunique(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_setunique(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); + /* Drawable IOCTL support (drm_drawable.h) */ +extern int DRM(adddraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(rmdraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); - /* Context IOCTL support (context.c) */ -extern int drm_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_getctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_switchctx(struct inode *inode, struct file *filp, + /* Authentication IOCTL support (drm_auth.h) */ +extern int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, + drm_magic_t magic); +extern int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic); +extern int DRM(getmagic)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +extern int DRM(authmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); - /* Drawable IOCTL support (drawable.c) */ -extern int drm_adddraw(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_rmdraw(struct inode *inode, struct file *filp, + /* Locking IOCTL support (drm_lock.h) */ +extern int DRM(block)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); - - - /* Authentication IOCTL support (auth.c) */ -extern int drm_add_magic(drm_device_t *dev, drm_file_t *priv, - drm_magic_t magic); -extern int drm_remove_magic(drm_device_t *dev, drm_magic_t magic); -extern int drm_getmagic(struct inode *inode, struct file *filp, +extern int DRM(unblock)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_authmagic(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - - /* Locking IOCTL support (lock.c) */ -extern int drm_block(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_unblock(struct inode *inode, struct file *filp, +extern int DRM(lock_take)(__volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(lock_transfer)(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(lock_free)(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(finish)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_lock_take(__volatile__ unsigned int *lock, - unsigned int context); -extern int drm_lock_transfer(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); -extern int drm_lock_free(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); -extern int drm_finish(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_flush_unblock(drm_device_t *dev, int context, - drm_lock_flags_t flags); -extern int drm_flush_block_and_flush(drm_device_t *dev, int context, - drm_lock_flags_t flags); -extern int drm_notifier(void *priv); - - /* Context Bitmap support (ctxbitmap.c) */ -extern int drm_ctxbitmap_init(drm_device_t *dev); -extern void drm_ctxbitmap_cleanup(drm_device_t *dev); -extern int drm_ctxbitmap_next(drm_device_t *dev); -extern void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle); +extern int DRM(flush_unblock)(drm_device_t *dev, int context, + drm_lock_flags_t flags); +extern int DRM(flush_block_and_flush)(drm_device_t *dev, int context, + drm_lock_flags_t flags); +extern int DRM(notifier)(void *priv); + + /* Buffer management support (drm_bufs.h) */ +extern int DRM(order)( unsigned long size ); +extern int DRM(addmap)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +#if __HAVE_DMA +extern int DRM(addbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(infobufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(markbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(freebufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(mapbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + + /* DMA support (drm_dma.h) */ +extern int DRM(dma_setup)(drm_device_t *dev); +extern void DRM(dma_takedown)(drm_device_t *dev); +extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf); +extern void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid); +#if __HAVE_OLD_DMA +/* GH: This is a dirty hack for now... + */ +extern void DRM(clear_next_buffer)(drm_device_t *dev); +extern int DRM(select_queue)(drm_device_t *dev, + void (*wrapper)(unsigned long)); +extern int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *dma); +extern int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma); +#endif +#if __HAVE_DMA_IRQ +extern int DRM(control)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(irq_install)( drm_device_t *dev, int irq ); +extern int DRM(irq_uninstall)( drm_device_t *dev ); +extern void DRM(dma_service)( int irq, void *device, + struct pt_regs *regs ); +#if __HAVE_DMA_IRQ_BH +extern void DRM(dma_immediate_bh)( void *dev ); +#endif +#endif +#if DRM_DMA_HISTOGRAM +extern int DRM(histogram_slot)(unsigned long count); +extern void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf); +#endif -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - /* AGP/GART support (agpsupport.c) */ -extern drm_agp_head_t *drm_agp_init(void); -extern void drm_agp_uninit(void); -extern int drm_agp_acquire(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern void _drm_agp_release(void); -extern int drm_agp_release(struct inode *inode, struct file *filp, + /* Buffer list support (drm_lists.h) */ +#if __HAVE_DMA_WAITLIST +extern int DRM(waitlist_create)(drm_waitlist_t *bl, int count); +extern int DRM(waitlist_destroy)(drm_waitlist_t *bl); +extern int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf); +extern drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl); +#endif +#if __HAVE_DMA_FREELIST +extern int DRM(freelist_create)(drm_freelist_t *bl, int count); +extern int DRM(freelist_destroy)(drm_freelist_t *bl); +extern int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl, + drm_buf_t *buf); +extern drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block); +#endif +#endif /* __HAVE_DMA */ + +#if __REALLY_HAVE_AGP + /* AGP/GART support (drm_agpsupport.h) */ +extern drm_agp_head_t *DRM(agp_init)(void); +extern void DRM(agp_uninit)(void); +extern int DRM(agp_acquire)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern void DRM(agp_do_release)(void); +extern int DRM(agp_release)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_enable)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_enable(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_info(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_alloc(struct inode *inode, struct file *filp, +extern int DRM(agp_info)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_free(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_unbind(struct inode *inode, struct file *filp, +extern int DRM(agp_alloc)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_bind(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern agp_memory *drm_agp_allocate_memory(size_t pages, u32 type); -extern int drm_agp_free_memory(agp_memory *handle); -extern int drm_agp_bind_memory(agp_memory *handle, off_t start); -extern int drm_agp_unbind_memory(agp_memory *handle); +extern int DRM(agp_free)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_unbind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_bind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type); +extern int DRM(agp_free_memory)(agp_memory *handle); +extern int DRM(agp_bind_memory)(agp_memory *handle, off_t start); +extern int DRM(agp_unbind_memory)(agp_memory *handle); #endif - /* Scatter/gather memory supprt (scatter.c) */ -extern int drm_sg_alloc(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_sg_free(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern void drm_sg_cleanup(drm_sg_mem_t *entry); - -#define page_to_pfn( page ) ((unsigned long)((page)-mem_map)) - -#endif + /* Stub support (drm_stub.h) */ +int DRM(stub_register)(const char *name, + struct file_operations *fops, + drm_device_t *dev); +int DRM(stub_unregister)(int minor); + + /* Proc support (drm_proc.h) */ +extern struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev, + int minor, + struct proc_dir_entry *root, + struct proc_dir_entry **dev_root); +extern int DRM(proc_cleanup)(int minor, + struct proc_dir_entry *root, + struct proc_dir_entry *dev_root); + +#endif /* __KERNEL__ */ #endif diff --git a/linux/agpsupport.c b/linux-core/drm_agpsupport.c index c996df8f..b070a59e 100644 --- a/linux/agpsupport.c +++ b/linux-core/drm_agpsupport.c @@ -1,4 +1,4 @@ -/* agpsupport.c -- DRM support for AGP/GART backend -*- linux-c -*- +/* drm_agpsupport.h -- DRM support for AGP/GART backend -*- linux-c -*- * Created: Mon Dec 13 09:56:45 1999 by faith@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -11,26 +11,30 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Author: Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Author: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" #include <linux/module.h> + +#if __REALLY_HAVE_AGP + #if LINUX_VERSION_CODE < 0x020400 #include "agpsupport-pre24.h" #else @@ -40,8 +44,8 @@ static const drm_agp_t *drm_agp = NULL; -int drm_agp_info(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_info)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -66,8 +70,8 @@ int drm_agp_info(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } -int drm_agp_acquire(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_acquire)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -79,8 +83,8 @@ int drm_agp_acquire(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } -int drm_agp_release(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_release)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -89,16 +93,16 @@ int drm_agp_release(struct inode *inode, struct file *filp, unsigned int cmd, drm_agp->release(); dev->agp->acquired = 0; return 0; - + } -void _drm_agp_release(void) +void DRM(agp_do_release)(void) { if (drm_agp->release) drm_agp->release(); } -int drm_agp_enable(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_enable)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -108,7 +112,7 @@ int drm_agp_enable(struct inode *inode, struct file *filp, unsigned int cmd, if (copy_from_user(&mode, (drm_agp_mode_t *)arg, sizeof(mode))) return -EFAULT; - + dev->agp->mode = mode.mode; drm_agp->enable(mode.mode); dev->agp->base = dev->agp->agp_info.aper_base; @@ -116,8 +120,8 @@ int drm_agp_enable(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } -int drm_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_alloc)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -126,22 +130,23 @@ int drm_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd, agp_memory *memory; unsigned long pages; u32 type; + if (!dev->agp->acquired) return -EINVAL; if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request))) return -EFAULT; - if (!(entry = drm_alloc(sizeof(*entry), DRM_MEM_AGPLISTS))) + if (!(entry = DRM(alloc)(sizeof(*entry), DRM_MEM_AGPLISTS))) return -ENOMEM; - + memset(entry, 0, sizeof(*entry)); pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; type = (u32) request.type; - if (!(memory = drm_alloc_agp(pages, type))) { - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + if (!(memory = DRM(alloc_agp)(pages, type))) { + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); return -ENOMEM; } - + entry->handle = (unsigned long)memory->memory; entry->memory = memory; entry->bound = 0; @@ -157,15 +162,15 @@ int drm_agp_alloc(struct inode *inode, struct file *filp, unsigned int cmd, if (copy_to_user((drm_agp_buffer_t *)arg, &request, sizeof(request))) { dev->agp->memory = entry->next; dev->agp->memory->prev = NULL; - drm_free_agp(memory, pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + DRM(free_agp)(memory, pages); + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); return -EFAULT; } return 0; } -static drm_agp_mem_t *drm_agp_lookup_entry(drm_device_t *dev, - unsigned long handle) +static drm_agp_mem_t *DRM(agp_lookup_entry)(drm_device_t *dev, + unsigned long handle) { drm_agp_mem_t *entry; @@ -175,8 +180,8 @@ static drm_agp_mem_t *drm_agp_lookup_entry(drm_device_t *dev, return NULL; } -int drm_agp_unbind(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_unbind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -186,14 +191,14 @@ int drm_agp_unbind(struct inode *inode, struct file *filp, unsigned int cmd, if (!dev->agp->acquired) return -EINVAL; if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request))) return -EFAULT; - if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) return -EINVAL; if (!entry->bound) return -EINVAL; - return drm_unbind_agp(entry->memory); + return DRM(unbind_agp)(entry->memory); } -int drm_agp_bind(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_bind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -201,56 +206,56 @@ int drm_agp_bind(struct inode *inode, struct file *filp, unsigned int cmd, drm_agp_mem_t *entry; int retcode; int page; - + if (!dev->agp->acquired || !drm_agp->bind_memory) return -EINVAL; if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request))) return -EFAULT; - if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) return -EINVAL; if (entry->bound) return -EINVAL; page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE; - if ((retcode = drm_bind_agp(entry->memory, page))) return retcode; + if ((retcode = DRM(bind_agp)(entry->memory, page))) return retcode; entry->bound = dev->agp->base + (page << PAGE_SHIFT); - DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n", + DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n", dev->agp->base, entry->bound); return 0; } -int drm_agp_free(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(agp_free)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; drm_agp_buffer_t request; drm_agp_mem_t *entry; - + if (!dev->agp->acquired) return -EINVAL; if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request))) return -EFAULT; - if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) return -EINVAL; - if (entry->bound) drm_unbind_agp(entry->memory); - + if (entry->bound) DRM(unbind_agp)(entry->memory); + if (entry->prev) entry->prev->next = entry->next; else dev->agp->memory = entry->next; if (entry->next) entry->next->prev = entry->prev; - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + DRM(free_agp)(entry->memory, entry->pages); + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); return 0; } -drm_agp_head_t *drm_agp_init(void) +drm_agp_head_t *DRM(agp_init)(void) { drm_agp_head_t *head = NULL; drm_agp = DRM_AGP_GET; if (drm_agp) { - if (!(head = drm_alloc(sizeof(*head), DRM_MEM_AGPLISTS))) + if (!(head = DRM(alloc)(sizeof(*head), DRM_MEM_AGPLISTS))) return NULL; memset((void *)head, 0, sizeof(*head)); drm_agp->copy_info(&head->agp_info); if (head->agp_info.chipset == NOT_SUPPORTED) { - drm_free(head, sizeof(*head), DRM_MEM_AGPLISTS); + DRM(free)(head, sizeof(*head), DRM_MEM_AGPLISTS); return NULL; } head->memory = NULL; @@ -271,9 +276,9 @@ drm_agp_head_t *drm_agp_init(void) #if LINUX_VERSION_CODE >= 0x020400 case VIA_MVP4: head->chipset = "VIA MVP4"; break; - case VIA_APOLLO_KX133: head->chipset = "VIA Apollo KX133"; + case VIA_APOLLO_KX133: head->chipset = "VIA Apollo KX133"; break; - case VIA_APOLLO_KT133: head->chipset = "VIA Apollo KT133"; + case VIA_APOLLO_KT133: head->chipset = "VIA Apollo KT133"; break; #endif @@ -296,33 +301,35 @@ drm_agp_head_t *drm_agp_init(void) return head; } -void drm_agp_uninit(void) +void DRM(agp_uninit)(void) { DRM_AGP_PUT; drm_agp = NULL; } -agp_memory *drm_agp_allocate_memory(size_t pages, u32 type) +agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type) { if (!drm_agp->allocate_memory) return NULL; return drm_agp->allocate_memory(pages, type); } -int drm_agp_free_memory(agp_memory *handle) +int DRM(agp_free_memory)(agp_memory *handle) { if (!handle || !drm_agp->free_memory) return 0; drm_agp->free_memory(handle); return 1; } -int drm_agp_bind_memory(agp_memory *handle, off_t start) +int DRM(agp_bind_memory)(agp_memory *handle, off_t start) { if (!handle || !drm_agp->bind_memory) return -EINVAL; return drm_agp->bind_memory(handle, start); } -int drm_agp_unbind_memory(agp_memory *handle) +int DRM(agp_unbind_memory)(agp_memory *handle) { if (!handle || !drm_agp->unbind_memory) return -EINVAL; return drm_agp->unbind_memory(handle); } + +#endif /* __REALLY_HAVE_AGP */ diff --git a/linux/auth.c b/linux-core/drm_auth.c index 80bb4b65..2636e617 100644 --- a/linux/auth.c +++ b/linux-core/drm_auth.c @@ -1,5 +1,5 @@ -/* auth.c -- IOCTLs for authentication -*- linux-c -*- - * Created: Tue Feb 2 08:37:54 1999 by faith@precisioninsight.com +/* drm_auth.h -- IOCTLs for authentication -*- linux-c -*- + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,37 +11,37 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" -static int drm_hash_magic(drm_magic_t magic) +static int DRM(hash_magic)(drm_magic_t magic) { return magic & (DRM_HASH_SIZE-1); } -static drm_file_t *drm_find_file(drm_device_t *dev, drm_magic_t magic) +static drm_file_t *DRM(find_file)(drm_device_t *dev, drm_magic_t magic) { drm_file_t *retval = NULL; drm_magic_entry_t *pt; - int hash = drm_hash_magic(magic); + int hash = DRM(hash_magic)(magic); down(&dev->struct_sem); for (pt = dev->magiclist[hash].head; pt; pt = pt->next) { @@ -54,15 +54,15 @@ static drm_file_t *drm_find_file(drm_device_t *dev, drm_magic_t magic) return retval; } -int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic) +int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic) { int hash; drm_magic_entry_t *entry; - + DRM_DEBUG("%d\n", magic); - - hash = drm_hash_magic(magic); - entry = drm_alloc(sizeof(*entry), DRM_MEM_MAGIC); + + hash = DRM(hash_magic)(magic); + entry = DRM(alloc)(sizeof(*entry), DRM_MEM_MAGIC); if (!entry) return -ENOMEM; entry->magic = magic; entry->priv = priv; @@ -77,19 +77,19 @@ int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic) dev->magiclist[hash].tail = entry; } up(&dev->struct_sem); - + return 0; } -int drm_remove_magic(drm_device_t *dev, drm_magic_t magic) +int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic) { drm_magic_entry_t *prev = NULL; drm_magic_entry_t *pt; int hash; - + DRM_DEBUG("%d\n", magic); - hash = drm_hash_magic(magic); - + hash = DRM(hash_magic)(magic); + down(&dev->struct_sem); for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) { if (pt->magic == magic) { @@ -108,13 +108,13 @@ int drm_remove_magic(drm_device_t *dev, drm_magic_t magic) } up(&dev->struct_sem); - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - + DRM(free)(pt, sizeof(*pt), DRM_MEM_MAGIC); + return -EINVAL; } -int drm_getmagic(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(getmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { static drm_magic_t sequence = 0; static spinlock_t lock = SPIN_LOCK_UNLOCKED; @@ -131,19 +131,19 @@ int drm_getmagic(struct inode *inode, struct file *filp, unsigned int cmd, if (!sequence) ++sequence; /* reserve 0 */ auth.magic = sequence++; spin_unlock(&lock); - } while (drm_find_file(dev, auth.magic)); + } while (DRM(find_file)(dev, auth.magic)); priv->magic = auth.magic; - drm_add_magic(dev, priv, auth.magic); + DRM(add_magic)(dev, priv, auth.magic); } - + DRM_DEBUG("%u\n", auth.magic); if (copy_to_user((drm_auth_t *)arg, &auth, sizeof(auth))) return -EFAULT; return 0; } -int drm_authmagic(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(authmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -153,9 +153,9 @@ int drm_authmagic(struct inode *inode, struct file *filp, unsigned int cmd, if (copy_from_user(&auth, (drm_auth_t *)arg, sizeof(auth))) return -EFAULT; DRM_DEBUG("%u\n", auth.magic); - if ((file = drm_find_file(dev, auth.magic))) { + if ((file = DRM(find_file)(dev, auth.magic))) { file->authenticated = 1; - drm_remove_magic(dev, auth.magic); + DRM(remove_magic)(dev, auth.magic); return 0; } return -EINVAL; diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c new file mode 100644 index 00000000..38ea1ff0 --- /dev/null +++ b/linux-core/drm_bufs.c @@ -0,0 +1,747 @@ +/* drm_bufs.h -- Generic buffer template -*- linux-c -*- + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +#ifndef __HAVE_PCI_DMA +#define __HAVE_PCI_DMA 0 +#endif + +#ifndef DRIVER_BUF_PRIV_T +#define DRIVER_BUF_PRIV_T u32 +#endif +#ifndef DRIVER_AGP_BUFFERS_MAP +#if __HAVE_AGP && __HAVE_DMA +#error "You must define DRIVER_AGP_BUFFERS_MAP()" +#else +#define DRIVER_AGP_BUFFERS_MAP( dev ) NULL +#endif +#endif + +/* + * Compute order. Can be made faster. + */ +int DRM(order)( unsigned long size ) +{ + int order; + unsigned long tmp; + + for ( order = 0, tmp = size ; tmp >>= 1 ; ++order ); + + if ( size & ~(1 << order) ) + ++order; + + return order; +} + +int DRM(addmap)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_map_t *map; + + if ( !(filp->f_mode & 3) ) return -EACCES; /* Require read/write */ + + map = DRM(alloc)( sizeof(*map), DRM_MEM_MAPS ); + if ( !map ) + return -ENOMEM; + + if ( copy_from_user( map, (drm_map_t *)arg, sizeof(*map) ) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EFAULT; + } + + DRM_DEBUG( "offset = 0x%08lx, size = 0x%08lx, type = %d\n", + map->offset, map->size, map->type ); + if ( (map->offset & (~PAGE_MASK)) || (map->size & (~PAGE_MASK)) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + map->mtrr = -1; + map->handle = 0; + + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#ifndef __sparc__ + if ( map->offset + map->size < map->offset || + map->offset < virt_to_phys(high_memory) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } +#endif +#ifdef CONFIG_MTRR + if ( map->type == _DRM_FRAME_BUFFER || + (map->flags & _DRM_WRITE_COMBINING) ) { + map->mtrr = mtrr_add( map->offset, map->size, + MTRR_TYPE_WRCOMB, 1 ); + } +#endif + map->handle = DRM(ioremap)( map->offset, map->size ); + break; + + case _DRM_SHM: + map->handle = (void *)DRM(alloc_pages)( DRM(order)( map->size ) + - PAGE_SHIFT, + DRM_MEM_SAREA ); + DRM_DEBUG( "%ld %d %p\n", + map->size, DRM(order)( map->size ), map->handle ); + if ( !map->handle ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -ENOMEM; + } + map->offset = (unsigned long)map->handle; + if ( map->flags & _DRM_CONTAINS_LOCK ) { + dev->lock.hw_lock = map->handle; /* Pointer to lock */ + } + break; +#if __REALLY_HAVE_AGP + case _DRM_AGP: + map->offset = map->offset + dev->agp->base; + break; +#endif + default: + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + + down( &dev->struct_sem ); + if ( dev->maplist ) { + ++dev->map_count; + dev->maplist = DRM(realloc)( dev->maplist, + (dev->map_count-1) + * sizeof(*dev->maplist), + dev->map_count + * sizeof(*dev->maplist), + DRM_MEM_MAPS ); + } else { + dev->map_count = 1; + dev->maplist = DRM(alloc)( dev->map_count*sizeof(*dev->maplist), + DRM_MEM_MAPS ); + } + dev->maplist[dev->map_count-1] = map; + up( &dev->struct_sem ); + + if ( copy_to_user( (drm_map_t *)arg, map, sizeof(*map) ) ) + return -EFAULT; + if ( map->type != _DRM_SHM ) { + if ( copy_to_user( &((drm_map_t *)arg)->handle, + &map->offset, + sizeof(map->offset) ) ) + return -EFAULT; + } + return 0; +} + +#if __HAVE_DMA + +#if __REALLY_HAVE_AGP +int DRM(addbufs_agp)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + drm_buf_entry_t *entry; + drm_buf_t *buf; + unsigned long offset; + unsigned long agp_offset; + int count; + int order; + int size; + int alignment; + int page_order; + int total; + int byte_count; + int i; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = DRM(order)( request.size ); + size = 1 << order; + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + byte_count = 0; + agp_offset = dev->agp->base + request.agp_start; + + DRM_DEBUG( "count: %d\n", count ); + DRM_DEBUG( "order: %d\n", order ); + DRM_DEBUG( "size: %d\n", size ); + DRM_DEBUG( "agp_offset: %ld\n", agp_offset ); + DRM_DEBUG( "alignment: %d\n", alignment ); + DRM_DEBUG( "page_order: %d\n", page_order ); + DRM_DEBUG( "total: %d\n", total ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->buf_size = size; + entry->page_order = page_order; + + offset = 0; + + while ( entry->buf_count < count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + + buf->offset = (dma->byte_count + offset); + buf->bus_address = agp_offset + offset; + buf->address = (void *)(agp_offset + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->pid = 0; + + buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T); + buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T), + DRM_MEM_BUFS ); + memset( buf->dev_private, 0, buf->dev_priv_size ); + +#if __HAVE_DMA_HISTOGRAM + buf->time_queued = 0; + buf->time_dispatched = 0; + buf->time_completed = 0; + buf->time_freed = 0; +#endif + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + + offset += alignment; + entry->buf_count++; + byte_count += PAGE_SIZE << page_order; + } + + DRM_DEBUG( "byte_count: %d\n", byte_count ); + + dma->buflist = DRM(realloc)( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->byte_count += byte_count; + + DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); + DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); + +#if __HAVE_DMA_FREELIST + DRM(freelist_create)( &entry->freelist, entry->buf_count ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] ); + } +#endif + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( (drm_buf_desc_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + dma->flags = _DRM_DMA_USE_AGP; + + atomic_dec( &dev->buf_alloc ); + return 0; +} +#endif /* __REALLY_HAVE_AGP */ + +#if __HAVE_PCI_DMA +int DRM(addbufs_pci)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int count; + int order; + int size; + int total; + int page_order; + drm_buf_entry_t *entry; + unsigned long page; + drm_buf_t *buf; + int alignment; + unsigned long offset; + int i; + int byte_count; + int page_count; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = DRM(order)( request.size ); + size = 1 << order; + + DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n", + request.count, request.size, size, + order, dev->queue_count ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->seglist = DRM(alloc)( count * sizeof(*entry->seglist), + DRM_MEM_SEGS ); + if ( !entry->seglist ) { + DRM(free)( entry->buflist, + count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->seglist, 0, count * sizeof(*entry->seglist) ); + + dma->pagelist = DRM(realloc)( dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + DRM_DEBUG( "pagelist: %d entries\n", + dma->page_count + (count << page_order) ); + + entry->buf_size = size; + entry->page_order = page_order; + byte_count = 0; + page_count = 0; + + while ( entry->buf_count < count ) { + page = DRM(alloc_pages)( page_order, DRM_MEM_DMA ); + if ( !page ) break; + entry->seglist[entry->seg_count++] = page; + for ( i = 0 ; i < (1 << page_order) ; i++ ) { + DRM_DEBUG( "page %d @ 0x%08lx\n", + dma->page_count + page_count, + page + PAGE_SIZE * i ); + dma->pagelist[dma->page_count + page_count++] + = page + PAGE_SIZE * i; + } + for ( offset = 0 ; + offset + size <= total && entry->buf_count < count ; + offset += alignment, ++entry->buf_count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + buf->offset = (dma->byte_count + byte_count + offset); + buf->address = (void *)(page + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->pid = 0; +#if __HAVE_DMA_HISTOGRAM + buf->time_queued = 0; + buf->time_dispatched = 0; + buf->time_completed = 0; + buf->time_freed = 0; +#endif + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + } + byte_count += PAGE_SIZE << page_order; + } + + dma->buflist = DRM(realloc)( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->seg_count += entry->seg_count; + dma->page_count += entry->seg_count << page_order; + dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); + +#if __HAVE_DMA_FREELIST + DRM(freelist_create)( &entry->freelist, entry->buf_count ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] ); + } +#endif + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( (drm_buf_desc_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + atomic_dec( &dev->buf_alloc ); + return 0; +} +#endif /* __HAVE_PCI_DMA */ + +int DRM(addbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_buf_desc_t request; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + +#if __REALLY_HAVE_AGP + if ( request.flags & _DRM_AGP_BUFFER ) + return DRM(addbufs_agp)( inode, filp, cmd, arg ); + else +#endif +#if __HAVE_PCI_DMA + return DRM(addbufs_pci)( inode, filp, cmd, arg ); +#else + return -EINVAL; +#endif +} + +int DRM(infobufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_info_t request; + int i; + int count; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + ++dev->buf_use; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, + (drm_buf_info_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) ++count; + } + + DRM_DEBUG( "count = %d\n", count ); + + if ( request.count >= count ) { + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) { + drm_buf_desc_t *to = &request.list[count]; + drm_buf_entry_t *from = &dma->bufs[i]; + drm_freelist_t *list = &dma->bufs[i].freelist; + if ( copy_to_user( &to->count, + &from->buf_count, + sizeof(from->buf_count) ) || + copy_to_user( &to->size, + &from->buf_size, + sizeof(from->buf_size) ) || + copy_to_user( &to->low_mark, + &list->low_mark, + sizeof(list->low_mark) ) || + copy_to_user( &to->high_mark, + &list->high_mark, + sizeof(list->high_mark) ) ) + return -EFAULT; + + DRM_DEBUG( "%d %d %d %d %d\n", + i, + dma->bufs[i].buf_count, + dma->bufs[i].buf_size, + dma->bufs[i].freelist.low_mark, + dma->bufs[i].freelist.high_mark ); + ++count; + } + } + } + request.count = count; + + if ( copy_to_user( (drm_buf_info_t *)arg, + &request, + sizeof(request) ) ) + return -EFAULT; + + return 0; +} + +int DRM(markbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int order; + drm_buf_entry_t *entry; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d, %d, %d\n", + request.size, request.low_mark, request.high_mark ); + order = DRM(order)( request.size ); + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + entry = &dma->bufs[order]; + + if ( request.low_mark < 0 || request.low_mark > entry->buf_count ) + return -EINVAL; + if ( request.high_mark < 0 || request.high_mark > entry->buf_count ) + return -EINVAL; + + entry->freelist.low_mark = request.low_mark; + entry->freelist.high_mark = request.high_mark; + + return 0; +} + +int DRM(freebufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_free_t request; + int i; + int idx; + drm_buf_t *buf; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_free_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", request.count ); + for ( i = 0 ; i < request.count ; i++ ) { + if ( copy_from_user( &idx, + &request.list[i], + sizeof(idx) ) ) + return -EFAULT; + if ( idx < 0 || idx >= dma->buf_count ) { + DRM_ERROR( "Index %d (of %d max)\n", + idx, dma->buf_count - 1 ); + return -EINVAL; + } + buf = dma->buflist[idx]; + if ( buf->pid != current->pid ) { + DRM_ERROR( "Process %d freeing buffer owned by %d\n", + current->pid, buf->pid ); + return -EINVAL; + } + DRM(free_buffer)( dev, buf ); + } + + return 0; +} + +int DRM(mapbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + int retcode = 0; + const int zero = 0; + unsigned long virtual; + unsigned long address; + drm_buf_map_t request; + int i; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + dev->buf_use++; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, (drm_buf_map_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + if ( request.count >= dma->buf_count ) { + if ( __HAVE_AGP && (dma->flags & _DRM_DMA_USE_AGP) ) { + drm_map_t *map = DRIVER_AGP_BUFFERS_MAP( dev ); + + if ( !map ) { + retcode = -EINVAL; + goto done; + } + + down( ¤t->mm->mmap_sem ); + virtual = do_mmap( filp, 0, map->size, + PROT_READ | PROT_WRITE, + MAP_SHARED, + (unsigned long)map->offset ); + up( ¤t->mm->mmap_sem ); + } else { + down( ¤t->mm->mmap_sem ); + virtual = do_mmap( filp, 0, dma->byte_count, + PROT_READ | PROT_WRITE, + MAP_SHARED, 0 ); + up( ¤t->mm->mmap_sem ); + } + if ( virtual > -1024UL ) { + /* Real error */ + retcode = (signed long)virtual; + goto done; + } + request.virtual = (void *)virtual; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + if ( copy_to_user( &request.list[i].idx, + &dma->buflist[i]->idx, + sizeof(request.list[0].idx) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].total, + &dma->buflist[i]->total, + sizeof(request.list[0].total) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].used, + &zero, + sizeof(zero) ) ) { + retcode = -EFAULT; + goto done; + } + address = virtual + dma->buflist[i]->offset; /* *** */ + if ( copy_to_user( &request.list[i].address, + &address, + sizeof(address) ) ) { + retcode = -EFAULT; + goto done; + } + } + } + done: + request.count = dma->buf_count; + DRM_DEBUG( "%d buffers, retcode = %d\n", request.count, retcode ); + + if ( copy_to_user( (drm_buf_map_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + return retcode; +} + +#endif /* __HAVE_DMA */ diff --git a/linux-core/drm_context.c b/linux-core/drm_context.c new file mode 100644 index 00000000..e2b6170a --- /dev/null +++ b/linux-core/drm_context.c @@ -0,0 +1,648 @@ +/* drm_context.h -- IOCTLs for generic contexts -*- linux-c -*- + * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +#if __HAVE_CTX_BITMAP + +/* ================================================================ + * Context bitmap support + */ + +void DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle ) +{ + if ( ctx_handle < 0 ) goto failed; + + if ( ctx_handle < DRM_MAX_CTXBITMAP ) { + clear_bit( ctx_handle, dev->ctx_bitmap ); + return; + } +failed: + DRM_ERROR( "Attempt to free invalid context handle: %d\n", + ctx_handle ); + return; +} + +int DRM(ctxbitmap_next)( drm_device_t *dev ) +{ + int bit; + + bit = find_first_zero_bit( dev->ctx_bitmap, DRM_MAX_CTXBITMAP ); + if ( bit < DRM_MAX_CTXBITMAP ) { + set_bit( bit, dev->ctx_bitmap ); + DRM_DEBUG( "drm_ctxbitmap_next bit : %d\n", bit ); + return bit; + } + return -1; +} + +int DRM(ctxbitmap_init)( drm_device_t *dev ) +{ + int i; + int temp; + + dev->ctx_bitmap = (unsigned long *) DRM(alloc)( PAGE_SIZE, + DRM_MEM_CTXBITMAP ); + if ( dev->ctx_bitmap == NULL ) { + return -ENOMEM; + } + memset( (void *)dev->ctx_bitmap, 0, PAGE_SIZE ); + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + temp = DRM(ctxbitmap_next)( dev ); + DRM_DEBUG( "drm_ctxbitmap_init : %d\n", temp ); + } + + return 0; +} + +void DRM(ctxbitmap_cleanup)( drm_device_t *dev ) +{ + DRM(free)( (void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP ); +} + + +/* ================================================================ + * The actual DRM context handling routines + */ + +int DRM(context_switch)( drm_device_t *dev, int old, int new ) +{ + char buf[64]; + + if ( test_and_set_bit( 0, &dev->context_flag ) ) { + DRM_ERROR( "Reentering -- FIXME\n" ); + return -EBUSY; + } + +#if __HAVE_DMA_HISTOGRAM + dev->ctx_start = get_cycles(); +#endif + + DRM_DEBUG( "Context switch from %d to %d\n", old, new ); + + if ( new == dev->last_context ) { + clear_bit( 0, &dev->context_flag ); + return 0; + } + + if ( DRM(flags) & DRM_FLAG_NOCTX ) { + DRM(context_switch_complete)( dev, new ); + } else { + sprintf( buf, "C %d %d\n", old, new ); + DRM(write_string)( dev, buf ); + } + + return 0; +} + +int DRM(context_switch_complete)( drm_device_t *dev, int new ) +{ + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ + dev->last_switch = jiffies; + + if ( !_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ) { + DRM_ERROR( "Lock isn't held after context switch\n" ); + } + + /* If a context switch is ever initiated + when the kernel holds the lock, release + that lock here. */ +#if __HAVE_DMA_HISTOGRAM + atomic_inc( &dev->histo.ctx[DRM(histogram_slot)(get_cycles() + - dev->ctx_start)] ); + +#endif + clear_bit( 0, &dev->context_flag ); + wake_up( &dev->context_wait ); + + return 0; +} + +int DRM(resctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_res_t res; + drm_ctx_t ctx; + int i; + + if ( copy_from_user( &res, (drm_ctx_res_t *)arg, sizeof(res) ) ) + return -EFAULT; + + if ( res.count >= DRM_RESERVED_CONTEXTS ) { + memset( &ctx, 0, sizeof(ctx) ); + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + ctx.handle = i; + if ( copy_to_user( &res.contexts[i], + &i, sizeof(i) ) ) + return -EFAULT; + } + } + res.count = DRM_RESERVED_CONTEXTS; + + if ( copy_to_user( (drm_ctx_res_t *)arg, &res, sizeof(res) ) ) + return -EFAULT; + return 0; +} + +int DRM(addctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + ctx.handle = DRM(ctxbitmap_next)( dev ); + if ( ctx.handle == DRM_KERNEL_CONTEXT ) { + /* Skip kernel's context and get a new one. */ + ctx.handle = DRM(ctxbitmap_next)( dev ); + } + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == -1 ) { + DRM_DEBUG( "Not enough free contexts.\n" ); + /* Should this return -EBUSY instead? */ + return -ENOMEM; + } + + if ( copy_to_user( (drm_ctx_t *)arg, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +int DRM(modctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + /* This does nothing */ + return 0; +} + +int DRM(getctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t*)arg, sizeof(ctx) ) ) + return -EFAULT; + + /* This is 0, because we don't handle any context flags */ + ctx.flags = 0; + + if ( copy_to_user( (drm_ctx_t*)arg, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +int DRM(switchctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + return DRM(context_switch)( dev, dev->last_context, ctx.handle ); +} + +int DRM(newctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + DRM(context_switch_complete)( dev, ctx.handle ); + + return 0; +} + +int DRM(rmctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == DRM_KERNEL_CONTEXT + 1 ) { + priv->remove_auth_on_close = 1; + } + if ( ctx.handle != DRM_KERNEL_CONTEXT ) { + DRM(ctxbitmap_free)( dev, ctx.handle ); + } + + return 0; +} + + +#else /* __HAVE_CTX_BITMAP */ + +/* ================================================================ + * Old-style context support + */ + + +int DRM(context_switch)(drm_device_t *dev, int old, int new) +{ + char buf[64]; + drm_queue_t *q; + +#if 0 + atomic_inc(&dev->total_ctx); +#endif + + if (test_and_set_bit(0, &dev->context_flag)) { + DRM_ERROR("Reentering -- FIXME\n"); + return -EBUSY; + } + +#if __HAVE_DMA_HISTOGRAM + dev->ctx_start = get_cycles(); +#endif + + DRM_DEBUG("Context switch from %d to %d\n", old, new); + + if (new >= dev->queue_count) { + clear_bit(0, &dev->context_flag); + return -EINVAL; + } + + if (new == dev->last_context) { + clear_bit(0, &dev->context_flag); + return 0; + } + + q = dev->queuelist[new]; + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + atomic_dec(&q->use_count); + clear_bit(0, &dev->context_flag); + return -EINVAL; + } + + if (DRM(flags) & DRM_FLAG_NOCTX) { + DRM(context_switch_complete)(dev, new); + } else { + sprintf(buf, "C %d %d\n", old, new); + DRM(write_string)(dev, buf); + } + + atomic_dec(&q->use_count); + + return 0; +} + +int DRM(context_switch_complete)(drm_device_t *dev, int new) +{ + drm_device_dma_t *dma = dev->dma; + + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ + dev->last_switch = jiffies; + + if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("Lock isn't held after context switch\n"); + } + + if (!dma || !(dma->next_buffer && dma->next_buffer->while_locked)) { + if (DRM(lock_free)(dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + DRM_ERROR("Cannot free lock\n"); + } + } + +#if __HAVE_DMA_HISTOGRAM + atomic_inc(&dev->histo.ctx[DRM(histogram_slot)(get_cycles() + - dev->ctx_start)]); + +#endif + clear_bit(0, &dev->context_flag); + wake_up_interruptible(&dev->context_wait); + + return 0; +} + +static int DRM(init_queue)(drm_device_t *dev, drm_queue_t *q, drm_ctx_t *ctx) +{ + DRM_DEBUG("\n"); + + if (atomic_read(&q->use_count) != 1 + || atomic_read(&q->finalization) + || atomic_read(&q->block_count)) { + DRM_ERROR("New queue is already in use: u%d f%d b%d\n", + atomic_read(&q->use_count), + atomic_read(&q->finalization), + atomic_read(&q->block_count)); + } + + atomic_set(&q->finalization, 0); + atomic_set(&q->block_count, 0); + atomic_set(&q->block_read, 0); + atomic_set(&q->block_write, 0); + atomic_set(&q->total_queued, 0); + atomic_set(&q->total_flushed, 0); + atomic_set(&q->total_locks, 0); + + init_waitqueue_head(&q->write_queue); + init_waitqueue_head(&q->read_queue); + init_waitqueue_head(&q->flush_queue); + + q->flags = ctx->flags; + + DRM(waitlist_create)(&q->waitlist, dev->dma->buf_count); + + return 0; +} + + +/* drm_alloc_queue: +PRE: 1) dev->queuelist[0..dev->queue_count] is allocated and will not + disappear (so all deallocation must be done after IOCTLs are off) + 2) dev->queue_count < dev->queue_slots + 3) dev->queuelist[i].use_count == 0 and + dev->queuelist[i].finalization == 0 if i not in use +POST: 1) dev->queuelist[i].use_count == 1 + 2) dev->queue_count < dev->queue_slots */ + +static int DRM(alloc_queue)(drm_device_t *dev) +{ + int i; + drm_queue_t *queue; + int oldslots; + int newslots; + /* Check for a free queue */ + for (i = 0; i < dev->queue_count; i++) { + atomic_inc(&dev->queuelist[i]->use_count); + if (atomic_read(&dev->queuelist[i]->use_count) == 1 + && !atomic_read(&dev->queuelist[i]->finalization)) { + DRM_DEBUG("%d (free)\n", i); + return i; + } + atomic_dec(&dev->queuelist[i]->use_count); + } + /* Allocate a new queue */ + down(&dev->struct_sem); + + queue = gamma_alloc(sizeof(*queue), DRM_MEM_QUEUES); + memset(queue, 0, sizeof(*queue)); + atomic_set(&queue->use_count, 1); + + ++dev->queue_count; + if (dev->queue_count >= dev->queue_slots) { + oldslots = dev->queue_slots * sizeof(*dev->queuelist); + if (!dev->queue_slots) dev->queue_slots = 1; + dev->queue_slots *= 2; + newslots = dev->queue_slots * sizeof(*dev->queuelist); + + dev->queuelist = DRM(realloc)(dev->queuelist, + oldslots, + newslots, + DRM_MEM_QUEUES); + if (!dev->queuelist) { + up(&dev->struct_sem); + DRM_DEBUG("out of memory\n"); + return -ENOMEM; + } + } + dev->queuelist[dev->queue_count-1] = queue; + + up(&dev->struct_sem); + DRM_DEBUG("%d (new)\n", dev->queue_count - 1); + return dev->queue_count - 1; +} + +int DRM(resctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_ctx_res_t res; + drm_ctx_t ctx; + int i; + + DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); + if (copy_from_user(&res, (drm_ctx_res_t *)arg, sizeof(res))) + return -EFAULT; + if (res.count >= DRM_RESERVED_CONTEXTS) { + memset(&ctx, 0, sizeof(ctx)); + for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { + ctx.handle = i; + if (copy_to_user(&res.contexts[i], + &i, + sizeof(i))) + return -EFAULT; + } + } + res.count = DRM_RESERVED_CONTEXTS; + if (copy_to_user((drm_ctx_res_t *)arg, &res, sizeof(res))) + return -EFAULT; + return 0; +} + +int DRM(addctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + if ((ctx.handle = DRM(alloc_queue)(dev)) == DRM_KERNEL_CONTEXT) { + /* Init kernel's context and get a new one. */ + DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx); + ctx.handle = DRM(alloc_queue)(dev); + } + DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx); + DRM_DEBUG("%d\n", ctx.handle); + if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) + return -EFAULT; + return 0; +} + +int DRM(modctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + drm_queue_t *q; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + + DRM_DEBUG("%d\n", ctx.handle); + + if (ctx.handle < 0 || ctx.handle >= dev->queue_count) return -EINVAL; + q = dev->queuelist[ctx.handle]; + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + /* No longer in use */ + atomic_dec(&q->use_count); + return -EINVAL; + } + + if (DRM_BUFCOUNT(&q->waitlist)) { + atomic_dec(&q->use_count); + return -EBUSY; + } + + q->flags = ctx.flags; + + atomic_dec(&q->use_count); + return 0; +} + +int DRM(getctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + drm_queue_t *q; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + + DRM_DEBUG("%d\n", ctx.handle); + + if (ctx.handle >= dev->queue_count) return -EINVAL; + q = dev->queuelist[ctx.handle]; + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + /* No longer in use */ + atomic_dec(&q->use_count); + return -EINVAL; + } + + ctx.flags = q->flags; + atomic_dec(&q->use_count); + + if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) + return -EFAULT; + + return 0; +} + +int DRM(switchctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + return DRM(context_switch)(dev, dev->last_context, ctx.handle); +} + +int DRM(newctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + DRM(context_switch_complete)(dev, ctx.handle); + + return 0; +} + +int DRM(rmctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + drm_queue_t *q; + drm_buf_t *buf; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + + if (ctx.handle >= dev->queue_count) return -EINVAL; + q = dev->queuelist[ctx.handle]; + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + /* No longer in use */ + atomic_dec(&q->use_count); + return -EINVAL; + } + + atomic_inc(&q->finalization); /* Mark queue in finalization state */ + atomic_sub(2, &q->use_count); /* Mark queue as unused (pending + finalization) */ + + while (test_and_set_bit(0, &dev->interrupt_flag)) { + schedule(); + if (signal_pending(current)) { + clear_bit(0, &dev->interrupt_flag); + return -EINTR; + } + } + /* Remove queued buffers */ + while ((buf = DRM(waitlist_get)(&q->waitlist))) { + DRM(free_buffer)(dev, buf); + } + clear_bit(0, &dev->interrupt_flag); + + /* Wakeup blocked processes */ + wake_up_interruptible(&q->read_queue); + wake_up_interruptible(&q->write_queue); + wake_up_interruptible(&q->flush_queue); + + /* Finalization over. Queue is made + available when both use_count and + finalization become 0, which won't + happen until all the waiting processes + stop waiting. */ + atomic_dec(&q->finalization); + return 0; +} + +#endif /* __HAVE_CTX_BITMAP */ diff --git a/linux/dma.c b/linux-core/drm_dma.c index 56dd2441..e715bd41 100644 --- a/linux/dma.c +++ b/linux-core/drm_dma.c @@ -1,5 +1,5 @@ -/* dma.c -- DMA IOCTL and function support -*- linux-c -*- - * Created: Fri Mar 19 14:30:16 1999 by faith@precisioninsight.com +/* drm_dma.c -- DMA IOCTL and function support -*- linux-c -*- + * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com * * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,22 +11,22 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinuxa.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ @@ -34,23 +34,38 @@ #include <linux/interrupt.h> /* For task queue support */ -void drm_dma_setup(drm_device_t *dev) +#ifndef __HAVE_DMA_WAITQUEUE +#define __HAVE_DMA_WAITQUEUE 0 +#endif +#ifndef __HAVE_DMA_RECLAIM +#define __HAVE_DMA_RECLAIM 0 +#endif + +#if __HAVE_DMA + +int DRM(dma_setup)( drm_device_t *dev ) { int i; - - dev->dma = drm_alloc(sizeof(*dev->dma), DRM_MEM_DRIVER); - memset(dev->dma, 0, sizeof(*dev->dma)); - for (i = 0; i <= DRM_MAX_ORDER; i++) + + dev->dma = DRM(alloc)( sizeof(*dev->dma), DRM_MEM_DRIVER ); + if ( !dev->dma ) + return -ENOMEM; + + memset( dev->dma, 0, sizeof(*dev->dma) ); + + for ( i = 0 ; i <= DRM_MAX_ORDER ; i++ ) memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0])); + + return 0; } -void drm_dma_takedown(drm_device_t *dev) +void DRM(dma_takedown)(drm_device_t *dev) { drm_device_dma_t *dma = dev->dma; int i, j; if (!dma) return; - + /* Clear dma buffers */ for (i = 0; i <= DRM_MAX_ORDER; i++) { if (dma->bufs[i].seg_count) { @@ -60,49 +75,52 @@ void drm_dma_takedown(drm_device_t *dev) dma->bufs[i].buf_count, dma->bufs[i].seg_count); for (j = 0; j < dma->bufs[i].seg_count; j++) { - drm_free_pages(dma->bufs[i].seglist[j], - dma->bufs[i].page_order, - DRM_MEM_DMA); + DRM(free_pages)(dma->bufs[i].seglist[j], + dma->bufs[i].page_order, + DRM_MEM_DMA); } - drm_free(dma->bufs[i].seglist, - dma->bufs[i].seg_count - * sizeof(*dma->bufs[0].seglist), - DRM_MEM_SEGS); + DRM(free)(dma->bufs[i].seglist, + dma->bufs[i].seg_count + * sizeof(*dma->bufs[0].seglist), + DRM_MEM_SEGS); } if(dma->bufs[i].buf_count) { for(j = 0; j < dma->bufs[i].buf_count; j++) { if(dma->bufs[i].buflist[j].dev_private) { - drm_free(dma->bufs[i].buflist[j].dev_private, - dma->bufs[i].buflist[j].dev_priv_size, - DRM_MEM_BUFS); + DRM(free)(dma->bufs[i].buflist[j].dev_private, + dma->bufs[i].buflist[j].dev_priv_size, + DRM_MEM_BUFS); } } - drm_free(dma->bufs[i].buflist, - dma->bufs[i].buf_count * - sizeof(*dma->bufs[0].buflist), - DRM_MEM_BUFS); - drm_freelist_destroy(&dma->bufs[i].freelist); + DRM(free)(dma->bufs[i].buflist, + dma->bufs[i].buf_count * + sizeof(*dma->bufs[0].buflist), + DRM_MEM_BUFS); +#if __HAVE_DMA_FREELIST + DRM(freelist_destroy)(&dma->bufs[i].freelist); +#endif } } - + if (dma->buflist) { - drm_free(dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - DRM_MEM_BUFS); + DRM(free)(dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + DRM_MEM_BUFS); } if (dma->pagelist) { - drm_free(dma->pagelist, - dma->page_count * sizeof(*dma->pagelist), - DRM_MEM_PAGES); + DRM(free)(dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + DRM_MEM_PAGES); } - drm_free(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER); + DRM(free)(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER); dev->dma = NULL; } -#if DRM_DMA_HISTOGRAM + +#if __HAVE_DMA_HISTOGRAM /* This is slow, but is useful for debugging. */ -int drm_histogram_slot(unsigned long count) +int DRM(histogram_slot)(unsigned long count) { int value = DRM_DMA_HISTOGRAM_INITIAL; int slot; @@ -115,13 +133,13 @@ int drm_histogram_slot(unsigned long count) return DRM_DMA_HISTOGRAM_SLOTS - 1; } -void drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf) +void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf) { cycles_t queued_to_dispatched; cycles_t dispatched_to_completed; cycles_t completed_to_freed; int q2d, d2c, c2f, q2c, q2f; - + if (buf->time_queued) { queued_to_dispatched = (buf->time_dispatched - buf->time_queued); @@ -130,21 +148,21 @@ void drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf) completed_to_freed = (buf->time_freed - buf->time_completed); - q2d = drm_histogram_slot(queued_to_dispatched); - d2c = drm_histogram_slot(dispatched_to_completed); - c2f = drm_histogram_slot(completed_to_freed); + q2d = DRM(histogram_slot)(queued_to_dispatched); + d2c = DRM(histogram_slot)(dispatched_to_completed); + c2f = DRM(histogram_slot)(completed_to_freed); + + q2c = DRM(histogram_slot)(queued_to_dispatched + + dispatched_to_completed); + q2f = DRM(histogram_slot)(queued_to_dispatched + + dispatched_to_completed + + completed_to_freed); - q2c = drm_histogram_slot(queued_to_dispatched - + dispatched_to_completed); - q2f = drm_histogram_slot(queued_to_dispatched - + dispatched_to_completed - + completed_to_freed); - atomic_inc(&dev->histo.total); atomic_inc(&dev->histo.queued_to_dispatched[q2d]); atomic_inc(&dev->histo.dispatched_to_completed[d2c]); atomic_inc(&dev->histo.completed_to_freed[c2f]); - + atomic_inc(&dev->histo.queued_to_completed[q2c]); atomic_inc(&dev->histo.queued_to_freed[q2f]); @@ -156,31 +174,35 @@ void drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf) } #endif -void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf) +void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf) { - drm_device_dma_t *dma = dev->dma; - if (!buf) return; - + buf->waiting = 0; buf->pending = 0; buf->pid = 0; buf->used = 0; -#if DRM_DMA_HISTOGRAM +#if __HAVE_DMA_HISTOGRAM buf->time_completed = get_cycles(); #endif - if (waitqueue_active(&buf->dma_wait)) { + + if ( __HAVE_DMA_WAITQUEUE && waitqueue_active(&buf->dma_wait)) { wake_up_interruptible(&buf->dma_wait); - } else { + } +#if __HAVE_DMA_FREELIST + else { + drm_device_dma_t *dma = dev->dma; /* If processes are waiting, the last one to wake will put the buffer on the free list. If no processes are waiting, we put the buffer on the freelist here. */ - drm_freelist_put(dev, &dma->bufs[buf->order].freelist, buf); + DRM(freelist_put)(dev, &dma->bufs[buf->order].freelist, buf); } +#endif } -void drm_reclaim_buffers(drm_device_t *dev, pid_t pid) +#if !__HAVE_DMA_RECLAIM +void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid) { drm_device_dma_t *dma = dev->dma; int i; @@ -190,7 +212,7 @@ void drm_reclaim_buffers(drm_device_t *dev, pid_t pid) if (dma->buflist[i]->pid == pid) { switch (dma->buflist[i]->list) { case DRM_LIST_NONE: - drm_free_buffer(dev, dma->buflist[i]); + DRM(free_buffer)(dev, dma->buflist[i]); break; case DRM_LIST_WAIT: dma->buflist[i]->list = DRM_LIST_RECLAIM; @@ -202,88 +224,17 @@ void drm_reclaim_buffers(drm_device_t *dev, pid_t pid) } } } - -int drm_context_switch(drm_device_t *dev, int old, int new) -{ - char buf[64]; - drm_queue_t *q; - - atomic_inc(&dev->total_ctx); - - if (test_and_set_bit(0, &dev->context_flag)) { - DRM_ERROR("Reentering -- FIXME\n"); - return -EBUSY; - } - -#if DRM_DMA_HISTOGRAM - dev->ctx_start = get_cycles(); #endif - - DRM_DEBUG("Context switch from %d to %d\n", old, new); - - if (new >= dev->queue_count) { - clear_bit(0, &dev->context_flag); - return -EINVAL; - } - if (new == dev->last_context) { - clear_bit(0, &dev->context_flag); - return 0; - } - - q = dev->queuelist[new]; - atomic_inc(&q->use_count); - if (atomic_read(&q->use_count) == 1) { - atomic_dec(&q->use_count); - clear_bit(0, &dev->context_flag); - return -EINVAL; - } - if (drm_flags & DRM_FLAG_NOCTX) { - drm_context_switch_complete(dev, new); - } else { - sprintf(buf, "C %d %d\n", old, new); - drm_write_string(dev, buf); - } - - atomic_dec(&q->use_count); - - return 0; -} +/* GH: This is a big hack for now... + */ +#if __HAVE_OLD_DMA -int drm_context_switch_complete(drm_device_t *dev, int new) +void DRM(clear_next_buffer)(drm_device_t *dev) { drm_device_dma_t *dma = dev->dma; - - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - dev->last_switch = jiffies; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("Lock isn't held after context switch\n"); - } - if (!dma || !(dma->next_buffer && dma->next_buffer->while_locked)) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("Cannot free lock\n"); - } - } - -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles() - - dev->ctx_start)]); - -#endif - clear_bit(0, &dev->context_flag); - wake_up_interruptible(&dev->context_wait); - - return 0; -} - -void drm_clear_next_buffer(drm_device_t *dev) -{ - drm_device_dma_t *dma = dev->dma; - dma->next_buffer = NULL; if (dma->next_queue && !DRM_BUFCOUNT(&dma->next_queue->waitlist)) { wake_up_interruptible(&dma->next_queue->flush_queue); @@ -291,8 +242,7 @@ void drm_clear_next_buffer(drm_device_t *dev) dma->next_queue = NULL; } - -int drm_select_queue(drm_device_t *dev, void (*wrapper)(unsigned long)) +int DRM(select_queue)(drm_device_t *dev, void (*wrapper)(unsigned long)) { int i; int candidate = -1; @@ -360,7 +310,7 @@ int drm_select_queue(drm_device_t *dev, void (*wrapper)(unsigned long)) } -int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *d) +int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *d) { int i; drm_queue_t *q; @@ -374,7 +324,7 @@ int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *d) if (d->flags & _DRM_DMA_WHILE_LOCKED) { int context = dev->lock.hw_lock->lock; - + if (!_DRM_LOCK_IS_HELD(context)) { DRM_ERROR("No lock held during \"while locked\"" " request\n"); @@ -413,7 +363,7 @@ int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *d) current->state = TASK_RUNNING; remove_wait_queue(&q->write_queue, &entry); } - + for (i = 0; i < d->send_count; i++) { idx = d->send_indices[i]; if (idx < 0 || idx >= dma->buf_count) { @@ -457,27 +407,27 @@ int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *d) buf->waiting = 1; if (atomic_read(&q->use_count) == 1 || atomic_read(&q->finalization)) { - drm_free_buffer(dev, buf); + DRM(free_buffer)(dev, buf); } else { - drm_waitlist_put(&q->waitlist, buf); + DRM(waitlist_put)(&q->waitlist, buf); atomic_inc(&q->total_queued); } } atomic_dec(&q->use_count); - + return 0; } -static int drm_dma_get_buffers_of_order(drm_device_t *dev, drm_dma_t *d, - int order) +static int DRM(dma_get_buffers_of_order)(drm_device_t *dev, drm_dma_t *d, + int order) { int i; drm_buf_t *buf; drm_device_dma_t *dma = dev->dma; - + for (i = d->granted_count; i < d->request_count; i++) { - buf = drm_freelist_get(&dma->bufs[order].freelist, - d->flags & _DRM_DMA_WAIT); + buf = DRM(freelist_get)(&dma->bufs[order].freelist, + d->flags & _DRM_DMA_WAIT); if (!buf) break; if (buf->pending || buf->waiting) { DRM_ERROR("Free buffer %d in use by %d (w%d, p%d)\n", @@ -503,16 +453,16 @@ static int drm_dma_get_buffers_of_order(drm_device_t *dev, drm_dma_t *d, } -int drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma) +int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma) { int order; int retcode = 0; int tmp_order; - - order = drm_order(dma->request_size); + + order = DRM(order)(dma->request_size); dma->granted_count = 0; - retcode = drm_dma_get_buffers_of_order(dev, dma, order); + retcode = DRM(dma_get_buffers_of_order)(dev, dma, order); if (dma->granted_count < dma->request_count && (dma->flags & _DRM_DMA_SMALLER_OK)) { @@ -521,9 +471,9 @@ int drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma) && dma->granted_count < dma->request_count && tmp_order >= DRM_MIN_ORDER; --tmp_order) { - - retcode = drm_dma_get_buffers_of_order(dev, dma, - tmp_order); + + retcode = DRM(dma_get_buffers_of_order)(dev, dma, + tmp_order); } } @@ -534,10 +484,111 @@ int drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma) && dma->granted_count < dma->request_count && tmp_order <= DRM_MAX_ORDER; ++tmp_order) { - - retcode = drm_dma_get_buffers_of_order(dev, dma, - tmp_order); + + retcode = DRM(dma_get_buffers_of_order)(dev, dma, + tmp_order); } } return 0; } + +#endif /* __HAVE_OLD_DMA */ + + +#if __HAVE_DMA_IRQ + +int DRM(irq_install)( drm_device_t *dev, int irq ) +{ + int ret; + + if ( !irq ) + return -EINVAL; + + down( &dev->struct_sem ); + if ( dev->irq ) { + up( &dev->struct_sem ); + return -EBUSY; + } + dev->irq = irq; + up( &dev->struct_sem ); + + DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, irq ); + + dev->context_flag = 0; + dev->interrupt_flag = 0; + dev->dma_flag = 0; + + dev->dma->next_buffer = NULL; + dev->dma->next_queue = NULL; + dev->dma->this_buffer = NULL; + +#if __HAVE_DMA_IRQ_BH + INIT_LIST_HEAD( &dev->tq.list ); + dev->tq.sync = 0; + dev->tq.routine = DRM(dma_immediate_bh); + dev->tq.data = dev; +#endif + + /* Before installing handler */ + DRIVER_PREINSTALL(); + + /* Install handler */ + ret = request_irq( dev->irq, DRM(dma_service), + 0, dev->devname, dev ); + if ( ret < 0 ) { + down( &dev->struct_sem ); + dev->irq = 0; + up( &dev->struct_sem ); + return ret; + } + + /* After installing handler */ + DRIVER_POSTINSTALL(); + + return 0; +} + +int DRM(irq_uninstall)( drm_device_t *dev ) +{ + int irq; + + down( &dev->struct_sem ); + irq = dev->irq; + dev->irq = 0; + up( &dev->struct_sem ); + + if ( !irq ) + return -EINVAL; + + DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, irq ); + + DRIVER_UNINSTALL(); + + free_irq( irq, dev ); + + return 0; +} + +int DRM(control)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_control_t ctl; + + if ( copy_from_user( &ctl, (drm_control_t *)arg, sizeof(ctl) ) ) + return -EFAULT; + + switch ( ctl.func ) { + case DRM_INST_HANDLER: + return DRM(irq_install)( dev, ctl.irq ); + case DRM_UNINST_HANDLER: + return DRM(irq_uninstall)( dev ); + default: + return -EINVAL; + } +} + +#endif /* __HAVE_DMA_IRQ */ + +#endif /* __HAVE_DMA */ diff --git a/linux/drawable.c b/linux-core/drm_drawable.c index 1328054e..13e46b9f 100644 --- a/linux/drawable.c +++ b/linux-core/drm_drawable.c @@ -1,5 +1,5 @@ -/* drawable.c -- IOCTLs for drawables -*- linux-c -*- - * Created: Tue Feb 2 08:37:54 1999 by faith@precisioninsight.com +/* drm_drawable.h -- IOCTLs for drawables -*- linux-c -*- + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,29 +11,29 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" -int drm_adddraw(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(adddraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { drm_draw_t draw; @@ -44,8 +44,8 @@ int drm_adddraw(struct inode *inode, struct file *filp, unsigned int cmd, return 0; } -int drm_rmdraw(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(rmdraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) { return 0; /* NOOP */ } diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c new file mode 100644 index 00000000..71f52276 --- /dev/null +++ b/linux-core/drm_drv.c @@ -0,0 +1,927 @@ +/* drm_drv.h -- Generic driver template -*- linux-c -*- + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +/* + * To use this template, you must at least define the following (samples + * given for the MGA driver): + * + * #define DRIVER_AUTHOR "VA Linux Systems, Inc." + * + * #define DRIVER_NAME "mga" + * #define DRIVER_DESC "Matrox G200/G400" + * #define DRIVER_DATE "20001127" + * + * #define DRIVER_MAJOR 2 + * #define DRIVER_MINOR 0 + * #define DRIVER_PATCHLEVEL 2 + * + * #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls ) + * + * #define DRM(x) mga_##x + */ + +#ifndef __MUST_HAVE_AGP +#define __MUST_HAVE_AGP 0 +#endif +#ifndef __HAVE_CTX_BITMAP +#define __HAVE_CTX_BITMAP 0 +#endif +#ifndef __HAVE_DMA_IRQ +#define __HAVE_DMA_IRQ 0 +#endif +#ifndef __HAVE_DMA_QUEUE +#define __HAVE_DMA_QUEUE 0 +#endif +#ifndef __HAVE_MULTIPLE_DMA_QUEUES +#define __HAVE_MULTIPLE_DMA_QUEUES 0 +#endif +#ifndef __HAVE_DMA_SCHEDULE +#define __HAVE_DMA_SCHEDULE 0 +#endif +#ifndef __HAVE_DMA_FLUSH +#define __HAVE_DMA_FLUSH 0 +#endif +#ifndef __HAVE_DMA_READY +#define __HAVE_DMA_READY 0 +#endif +#ifndef __HAVE_DMA_QUIESCENT +#define __HAVE_DMA_QUIESCENT 0 +#endif +#ifndef __HAVE_RELEASE +#define __HAVE_RELEASE 0 +#endif +#ifndef __HAVE_COUNTERS +#define __HAVE_COUNTERS 0 +#endif + +#ifndef DRIVER_PREINIT +#define DRIVER_PREINIT() +#endif +#ifndef DRIVER_POSTINIT +#define DRIVER_POSTINIT() +#endif +#ifndef DRIVER_PRERELEASE +#define DRIVER_PRERELEASE() +#endif +#ifndef DRIVER_PRETAKEDOWN +#define DRIVER_PRETAKEDOWN() +#endif +#ifndef DRIVER_IOCTLS +#define DRIVER_IOCTLS +#endif + + +static drm_device_t DRM(device); +static int DRM(minor); + +static struct file_operations DRM(fops) = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif + open: DRM(open), + flush: DRM(flush), + release: DRM(release), + ioctl: DRM(ioctl), + mmap: DRM(mmap), + read: DRM(read), + fasync: DRM(fasync), + poll: DRM(poll), +}; + + +static drm_ioctl_desc_t DRM(ioctls)[] = { + [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { DRM(version), 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { DRM(getunique), 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { DRM(getmagic), 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { DRM(irq_busid), 0, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { DRM(getmap), 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { DRM(getclient), 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { DRM(getstats), 0, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { DRM(setunique), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { DRM(block), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { DRM(unblock), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { DRM(authmagic), 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { DRM(addmap), 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { DRM(addctx), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { DRM(rmctx), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { DRM(modctx), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { DRM(getctx), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { DRM(switchctx), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { DRM(newctx), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { DRM(resctx), 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { DRM(adddraw), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { DRM(rmdraw), 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { DRM(lock), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { DRM(unlock), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { DRM(finish), 1, 0 }, + +#if __HAVE_DMA + [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { DRM(addbufs), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { DRM(markbufs), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { DRM(infobufs), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { DRM(mapbufs), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { DRM(freebufs), 1, 0 }, + + /* The DRM_IOCTL_DMA ioctl should be defined by the driver. + */ +#if __HAVE_DMA_IRQ + [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { DRM(control), 1, 1 }, +#endif +#endif + +#if __REALLY_HAVE_AGP + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { DRM(agp_acquire), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { DRM(agp_release), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { DRM(agp_enable), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { DRM(agp_info), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { DRM(agp_alloc), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { DRM(agp_free), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { DRM(agp_bind), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { DRM(agp_unbind), 1, 1 }, +#endif + + DRIVER_IOCTLS +}; + +#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( DRM(ioctls) ) + +#ifdef MODULE +static char *drm_opts = NULL; +#endif + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_PARM( drm_opts, "s" ); + +#ifndef MODULE +/* DRM(options) is called by the kernel to parse command-line options + * passed via the boot-loader (e.g., LILO). It calls the insmod option + * routine, drm_parse_drm. + */ + +static int __init DRM(options)( char *str ) +{ + DRM(parse_options)( str ); + return 1; +} + +__setup( DRIVER_NAME "=", DRM(options) ); +#endif + +static int DRM(setup)( drm_device_t *dev ) +{ + int i; + + atomic_set( &dev->ioctl_count, 0 ); + atomic_set( &dev->vma_count, 0 ); + dev->buf_use = 0; + atomic_set( &dev->buf_alloc, 0 ); + +#if __HAVE_DMA + i = DRM(dma_setup)( dev ); + if ( i < 0 ) + return i; +#endif + + dev->counters = 6 + __HAVE_COUNTERS; + dev->types[0] = _DRM_STAT_LOCK; + dev->types[1] = _DRM_STAT_OPENS; + dev->types[2] = _DRM_STAT_CLOSES; + dev->types[3] = _DRM_STAT_IOCTLS; + dev->types[4] = _DRM_STAT_LOCKS; + dev->types[5] = _DRM_STAT_UNLOCKS; +#ifdef __HAVE_COUNTER6 + dev->types[6] = __HAVE_COUNTER6; +#endif +#ifdef __HAVE_COUNTER7 + dev->types[7] = __HAVE_COUNTER7; +#endif +#ifdef __HAVE_COUNTER8 + dev->types[8] = __HAVE_COUNTER8; +#endif +#ifdef __HAVE_COUNTER9 + dev->types[9] = __HAVE_COUNTER9; +#endif +#ifdef __HAVE_COUNTER10 + dev->types[10] = __HAVE_COUNTER10; +#endif +#ifdef __HAVE_COUNTER11 + dev->types[11] = __HAVE_COUNTER11; +#endif +#ifdef __HAVE_COUNTER12 + dev->types[12] = __HAVE_COUNTER12; +#endif +#ifdef __HAVE_COUNTER13 + dev->types[13] = __HAVE_COUNTER13; +#endif +#ifdef __HAVE_COUNTER14 + dev->types[14] = __HAVE_COUNTER14; +#endif +#ifdef __HAVE_COUNTER15 + dev->types[14] = __HAVE_COUNTER14; +#endif + + for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ ) + atomic_set( &dev->counts[i], 0 ); + + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + dev->magiclist[i].head = NULL; + dev->magiclist[i].tail = NULL; + } + dev->maplist = NULL; + dev->map_count = 0; + dev->vmalist = NULL; + dev->lock.hw_lock = NULL; + init_waitqueue_head( &dev->lock.lock_queue ); + dev->queue_count = 0; + dev->queue_reserved = 0; + dev->queue_slots = 0; + dev->queuelist = NULL; + dev->irq = 0; + dev->context_flag = 0; + dev->interrupt_flag = 0; + dev->dma_flag = 0; + dev->last_context = 0; + dev->last_switch = 0; + dev->last_checked = 0; + init_timer( &dev->timer ); + init_waitqueue_head( &dev->context_wait ); + + dev->ctx_start = 0; + dev->lck_start = 0; + + dev->buf_rp = dev->buf; + dev->buf_wp = dev->buf; + dev->buf_end = dev->buf + DRM_BSZ; + dev->buf_async = NULL; + init_waitqueue_head( &dev->buf_readers ); + init_waitqueue_head( &dev->buf_writers ); + + DRM_DEBUG( "\n" ); + + /* The kernel's context could be created here, but is now created + * in drm_dma_enqueue. This is more resource-efficient for + * hardware that does not do DMA, but may mean that + * drm_select_queue fails between the time the interrupt is + * initialized and the time the queues are initialized. + */ + return 0; +} + + +static int DRM(takedown)( drm_device_t *dev ) +{ + drm_magic_entry_t *pt, *next; + drm_map_t *map; + drm_vma_entry_t *vma, *vma_next; + int i; + + DRM_DEBUG( "\n" ); + + DRIVER_PRETAKEDOWN(); +#if __HAVE_DMA_IRQ + if ( dev->irq ) DRM(irq_uninstall)( dev ); +#endif + + down( &dev->struct_sem ); + del_timer( &dev->timer ); + + if ( dev->devname ) { + DRM(free)( dev->devname, strlen( dev->devname ) + 1, + DRM_MEM_DRIVER ); + dev->devname = NULL; + } + + if ( dev->unique ) { + DRM(free)( dev->unique, strlen( dev->unique ) + 1, + DRM_MEM_DRIVER ); + dev->unique = NULL; + dev->unique_len = 0; + } + /* Clear pid list */ + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + for ( pt = dev->magiclist[i].head ; pt ; pt = next ) { + next = pt->next; + DRM(free)( pt, sizeof(*pt), DRM_MEM_MAGIC ); + } + dev->magiclist[i].head = dev->magiclist[i].tail = NULL; + } + +#if __REALLY_HAVE_AGP + /* Clear AGP information */ + if ( dev->agp ) { + drm_agp_mem_t *entry; + drm_agp_mem_t *nexte; + + /* Remove AGP resources, but leave dev->agp + intact until drv_cleanup is called. */ + for ( entry = dev->agp->memory ; entry ; entry = nexte ) { + nexte = entry->next; + if ( entry->bound ) DRM(unbind_agp)( entry->memory ); + DRM(free_agp)( entry->memory, entry->pages ); + DRM(free)( entry, sizeof(*entry), DRM_MEM_AGPLISTS ); + } + dev->agp->memory = NULL; + + if ( dev->agp->acquired ) DRM(agp_do_release)(); + + dev->agp->acquired = 0; + dev->agp->enabled = 0; + } +#endif + + /* Clear vma list (only built for debugging) */ + if ( dev->vmalist ) { + for ( vma = dev->vmalist ; vma ; vma = vma_next ) { + vma_next = vma->next; + DRM(free)( vma, sizeof(*vma), DRM_MEM_VMAS ); + } + dev->vmalist = NULL; + } + + /* Clear map area and mtrr information */ + if ( dev->maplist ) { + for ( i = 0 ; i < dev->map_count ; i++ ) { + map = dev->maplist[i]; + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#if __REALLY_HAVE_MTRR + if ( map->mtrr >= 0 ) { + int retcode; + retcode = mtrr_del( map->mtrr, + map->offset, + map->size ); + DRM_DEBUG( "mtrr_del=%d\n", retcode ); + } +#endif + DRM(ioremapfree)( map->handle, map->size ); + break; + case _DRM_SHM: + DRM(free_pages)( (unsigned long)map->handle, + DRM(order)( map->size ) + - PAGE_SHIFT, + DRM_MEM_SAREA ); + break; + case _DRM_AGP: + /* Do nothing here, because this is all + * handled in the AGP/GART driver. + */ + break; + } + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + } + DRM(free)( dev->maplist, + dev->map_count * sizeof(*dev->maplist), + DRM_MEM_MAPS ); + dev->maplist = NULL; + dev->map_count = 0; + } + +#if __HAVE_DMA_QUEUE || __HAVE_MULTIPLE_DMA_QUEUES + if ( dev->queuelist ) { + for ( i = 0 ; i < dev->queue_count ; i++ ) { + DRM(waitlist_destroy)( &dev->queuelist[i]->waitlist ); + if ( dev->queuelist[i] ) { + DRM(free)( dev->queuelist[i], + sizeof(*dev->queuelist[0]), + DRM_MEM_QUEUES ); + dev->queuelist[i] = NULL; + } + } + DRM(free)( dev->queuelist, + dev->queue_slots * sizeof(*dev->queuelist), + DRM_MEM_QUEUES ); + dev->queuelist = NULL; + } + dev->queue_count = 0; +#endif + +#if __HAVE_DMA + DRM(dma_takedown)( dev ); +#endif + if ( dev->lock.hw_lock ) { + dev->lock.hw_lock = NULL; /* SHM removed */ + dev->lock.pid = 0; + wake_up_interruptible( &dev->lock.lock_queue ); + } + up( &dev->struct_sem ); + + return 0; +} + +/* drm_init is called via init_module at module load time, or via + * linux/init/main.c (this is not currently supported). + */ +static int __init drm_init( void ) +{ + drm_device_t *dev = &DRM(device); +#if __HAVE_CTX_BITMAP + int retcode; +#endif + DRM_DEBUG( "\n" ); + + memset( (void *)dev, 0, sizeof(*dev) ); + dev->count_lock = SPIN_LOCK_UNLOCKED; + sema_init( &dev->struct_sem, 1 ); + +#ifdef MODULE + DRM(parse_options)( drm_opts ); +#endif + DRIVER_PREINIT(); + + DRM(mem_init)(); + + if ((DRM(minor) = DRM(stub_register)(DRIVER_NAME, &DRM(fops),dev)) < 0) + return -EPERM; + dev->device = MKDEV(DRM_MAJOR, DRM(minor) ); + dev->name = DRIVER_NAME; + +#if __REALLY_HAVE_AGP + dev->agp = DRM(agp_init)(); +#if __MUST_HAVE_AGP + if ( dev->agp == NULL ) { + DRM_ERROR( "Cannot initialize the agpgart module.\n" ); + DRM(stub_unregister)(DRM(minor)); + DRM(takedown)( dev ); + return -ENOMEM; + } +#endif +#if __REALLY_HAVE_MTRR + dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024, + MTRR_TYPE_WRCOMB, + 1 ); +#endif +#endif + +#if __HAVE_CTX_BITMAP + retcode = DRM(ctxbitmap_init)( dev ); + if( retcode ) { + DRM_ERROR( "Cannot allocate memory for context bitmap.\n" ); + DRM(stub_unregister)(DRM(minor)); + DRM(takedown)( dev ); + return retcode; + } +#endif + + DRIVER_POSTINIT(); + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + DRM(minor) ); + + return 0; +} + +/* drm_cleanup is called via cleanup_module at module unload time. + */ +static void __exit drm_cleanup( void ) +{ + drm_device_t *dev = &DRM(device); + + DRM_DEBUG( "\n" ); + + if ( DRM(stub_unregister)(DRM(minor)) ) { + DRM_ERROR( "Cannot unload module\n" ); + } else { + DRM_INFO( "Module unloaded\n" ); + } +#if __HAVE_CTX_BITMAP + DRM(ctxbitmap_cleanup)( dev ); +#endif + +#if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR + if ( dev->agp && dev->agp->agp_mtrr ) { + int retval; + retval = mtrr_del( dev->agp->agp_mtrr, + dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024 ); + DRM_DEBUG( "mtrr_del=%d\n", retval ); + } +#endif + + DRM(takedown)( dev ); + +#if __REALLY_HAVE_AGP + if ( dev->agp ) { + DRM(agp_uninit)(); + DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS ); + dev->agp = NULL; + } +#endif +} + +module_init( drm_init ); +module_exit( drm_cleanup ); + + +int DRM(version)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_version_t version; + int len; + + if ( copy_from_user( &version, + (drm_version_t *)arg, + sizeof(version) ) ) + return -EFAULT; + +#define DRM_COPY( name, value ) \ + len = strlen( value ); \ + if ( len > name##_len ) len = name##_len; \ + name##_len = strlen( value ); \ + if ( len && name ) { \ + if ( copy_to_user( name, value, len ) ) \ + return -EFAULT; \ + } + + version.version_major = DRIVER_MAJOR; + version.version_minor = DRIVER_MINOR; + version.version_patchlevel = DRIVER_PATCHLEVEL; + + DRM_COPY( version.name, DRIVER_NAME ); + DRM_COPY( version.date, DRIVER_DATE ); + DRM_COPY( version.desc, DRIVER_DESC ); + + if ( copy_to_user( (drm_version_t *)arg, + &version, + sizeof(version) ) ) + return -EFAULT; + return 0; +} + +int DRM(open)( struct inode *inode, struct file *filp ) +{ + drm_device_t *dev = &DRM(device); + int retcode = 0; + + DRM_DEBUG( "open_count = %d\n", dev->open_count ); + + retcode = DRM(open_helper)( inode, filp, dev ); + if ( !retcode ) { +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + atomic_inc( &dev->counts[_DRM_STAT_OPENS] ); + spin_lock( &dev->count_lock ); + if ( !dev->open_count++ ) { + spin_unlock( &dev->count_lock ); + return DRM(setup)( dev ); + } + spin_unlock( &dev->count_lock ); + } + + return retcode; +} + +int DRM(release)( struct inode *inode, struct file *filp ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + int retcode = 0; + + lock_kernel(); + dev = priv->dev; + + DRM_DEBUG( "open_count = %d\n", dev->open_count ); + + DRIVER_PRERELEASE(); + + /* ======================================================== + * Begin inline drm_release + */ + + DRM_DEBUG( "pid = %d, device = 0x%x, open_count = %d\n", + current->pid, dev->device, dev->open_count ); + + if ( dev->lock.hw_lock && + _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) && + dev->lock.pid == current->pid ) { + DRM_ERROR( "Process %d dead, freeing lock for context %d\n", + current->pid, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); +#if __HAVE_RELEASE + DRIVER_RELEASE(); +#endif + DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); + + /* FIXME: may require heavy-handed reset of + hardware at this point, possibly + processed via a callback to the X + server. */ + } +#if __HAVE_RELEASE + else if ( dev->lock.hw_lock ) { + /* The lock is required to reclaim buffers */ + DECLARE_WAITQUEUE( entry, current ); + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + retcode = -EINTR; + break; + } + if ( DRM(lock_take)( &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + dev->lock.pid = priv->pid; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); + break; /* Got lock */ + } + /* Contention */ +#if 0 + atomic_inc( &dev->total_sleeps ); +#endif + schedule(); + if ( signal_pending( current ) ) { + retcode = -ERESTARTSYS; + break; + } + } + current->state = TASK_RUNNING; + remove_wait_queue( &dev->lock.lock_queue, &entry ); + if( !retcode ) { + DRIVER_RELEASE(); + DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); + } + } +#elif __HAVE_DMA + DRM(reclaim_buffers)( dev, priv->pid ); +#endif + + DRM(fasync)( -1, filp, 0 ); + + down( &dev->struct_sem ); + if ( priv->remove_auth_on_close == 1 ) { + drm_file_t *temp = dev->file_first; + while ( temp ) { + temp->authenticated = 0; + temp = temp->next; + } + } + if ( priv->prev ) { + priv->prev->next = priv->next; + } else { + dev->file_first = priv->next; + } + if ( priv->next ) { + priv->next->prev = priv->prev; + } else { + dev->file_last = priv->prev; + } + up( &dev->struct_sem ); + + DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES ); + + /* ======================================================== + * End inline drm_release + */ + +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + atomic_inc( &dev->counts[_DRM_STAT_CLOSES] ); + spin_lock( &dev->count_lock ); + if ( !--dev->open_count ) { + if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) { + DRM_ERROR( "Device busy: %d %d\n", + atomic_read( &dev->ioctl_count ), + dev->blocked ); + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return -EBUSY; + } + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return DRM(takedown)( dev ); + } + spin_unlock( &dev->count_lock ); + + unlock_kernel(); + return retcode; +} + +/* DRM(ioctl) is called whenever a process performs an ioctl on /dev/drm. + */ +int DRM(ioctl)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ioctl_desc_t *ioctl; + drm_ioctl_t *func; + int nr = DRM_IOCTL_NR(cmd); + int retcode = 0; + + atomic_inc( &dev->ioctl_count ); + atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] ); + ++priv->ioctl_count; + + DRM_DEBUG( "pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%x, auth=%d\n", + current->pid, cmd, nr, dev->device, priv->authenticated ); + + if ( nr >= DRIVER_IOCTL_COUNT ) { + retcode = -EINVAL; + } else { + ioctl = &DRM(ioctls)[nr]; + func = ioctl->func; + + if ( !func ) { + DRM_DEBUG( "no function\n" ); + retcode = -EINVAL; + } else if ( ( ioctl->root_only && !capable( CAP_SYS_ADMIN ) )|| + ( ioctl->auth_needed && !priv->authenticated ) ) { + retcode = -EACCES; + } else { + retcode = func( inode, filp, cmd, arg ); + } + } + + atomic_dec( &dev->ioctl_count ); + return retcode; +} + +int DRM(lock)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + DECLARE_WAITQUEUE( entry, current ); + drm_lock_t lock; + int ret = 0; +#if __HAVE_MULTIPLE_DMA_QUEUES + drm_queue_t *q; +#endif +#if __HAVE_DMA_HISTOGRAM + cycles_t start; + + dev->lck_start = start = get_cycles(); +#endif + + if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", + lock.context, current->pid, + dev->lock.hw_lock->lock, lock.flags ); + +#if __HAVE_DMA_QUEUE + if ( lock.context < 0 ) + return -EINVAL; +#elif __HAVE_MULTIPLE_DMA_QUEUES + if ( lock.context < 0 || lock.context >= dev->queue_count ) + return -EINVAL; + q = dev->queuelist[lock.context]; +#endif + +#if __HAVE_DMA_FLUSH + ret = DRM(flush_block_and_flush)( dev, lock.context, lock.flags ); +#endif + if ( !ret ) { + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + ret = -EINTR; + break; + } + if ( DRM(lock_take)( &dev->lock.hw_lock->lock, + lock.context ) ) { + dev->lock.pid = current->pid; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); + break; /* Got lock */ + } + + /* Contention */ + schedule(); + if ( signal_pending( current ) ) { + ret = -ERESTARTSYS; + break; + } + } + current->state = TASK_RUNNING; + remove_wait_queue( &dev->lock.lock_queue, &entry ); + } + +#if __HAVE_DMA_FLUSH + DRM(flush_unblock)( dev, lock.context, lock.flags ); /* cleanup phase */ +#endif + + if ( !ret ) { + sigemptyset( &dev->sigmask ); + sigaddset( &dev->sigmask, SIGSTOP ); + sigaddset( &dev->sigmask, SIGTSTP ); + sigaddset( &dev->sigmask, SIGTTIN ); + sigaddset( &dev->sigmask, SIGTTOU ); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals( DRM(notifier), + &dev->sigdata, &dev->sigmask ); + +#if __HAVE_DMA_READY + if ( lock.flags & _DRM_LOCK_READY ) { + DRIVER_DMA_READY(); + } +#endif +#if __HAVE_DMA_QUIESCENT + if ( lock.flags & _DRM_LOCK_QUIESCENT ) { + DRIVER_DMA_QUIESCENT(); + } +#endif + } + + DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" ); + +#if __HAVE_DMA_HISTOGRAM + atomic_inc(&dev->histo.lacq[DRM(histogram_slot)(get_cycles()-start)]); +#endif + return ret; +} + + +int DRM(unlock)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_lock_t lock; + + if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] ); + + DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); +#if __HAVE_DMA_SCHEDULE + DRM(dma_schedule)( dev, 1 ); +#endif + + /* FIXME: Do we ever really need to check this??? + */ + if ( 1 /* !dev->context_flag */ ) { + if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + DRM_ERROR( "\n" ); + } + } + + unblock_all_signals(); + return 0; +} diff --git a/linux/fops.c b/linux-core/drm_fops.c index 8e373e5a..dd574766 100644 --- a/linux/fops.c +++ b/linux-core/drm_fops.c @@ -1,5 +1,5 @@ -/* fops.c -- File operations for DRM -*- linux-c -*- - * Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com +/* drm_fops.h -- File operations for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,23 +11,23 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> * Daryll Strauss <daryll@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ @@ -36,17 +36,17 @@ /* drm_open is called whenever a process opens /dev/drm. */ -int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t *dev) +int DRM(open_helper)(struct inode *inode, struct file *filp, drm_device_t *dev) { kdev_t minor = MINOR(inode->i_rdev); drm_file_t *priv; if (filp->f_flags & O_EXCL) return -EBUSY; /* No exclusive opens */ - if (!drm_cpu_valid()) return -EINVAL; + if (!DRM(cpu_valid)()) return -EINVAL; DRM_DEBUG("pid = %d, minor = %d\n", current->pid, minor); - priv = drm_alloc(sizeof(*priv), DRM_MEM_FILES); + priv = DRM(alloc)(sizeof(*priv), DRM_MEM_FILES); memset(priv, 0, sizeof(*priv)); filp->private_data = priv; priv->uid = current->euid; @@ -69,68 +69,26 @@ int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t *dev) dev->file_last = priv; } up(&dev->struct_sem); - - return 0; -} -int drm_flush(struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - - DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", - current->pid, dev->device, dev->open_count); return 0; } -/* drm_release is called whenever a process closes /dev/drm*. Linux calls - this only if any mappings have been closed. */ - -int drm_release(struct inode *inode, struct file *filp) +int DRM(flush)(struct file *filp) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", current->pid, dev->device, dev->open_count); - - if (dev->lock.hw_lock - && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) - && dev->lock.pid == current->pid) { - DRM_ERROR("Process %d dead, freeing lock for context %d\n", - current->pid, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - drm_lock_free(dev, - &dev->lock.hw_lock->lock, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - - /* FIXME: may require heavy-handed reset of - hardware at this point, possibly - processed via a callback to the X - server. */ - } - drm_reclaim_buffers(dev, priv->pid); - - drm_fasync(-1, filp, 0); - - down(&dev->struct_sem); - if (priv->prev) priv->prev->next = priv->next; - else dev->file_first = priv->next; - if (priv->next) priv->next->prev = priv->prev; - else dev->file_last = priv->prev; - up(&dev->struct_sem); - - drm_free(priv, sizeof(*priv), DRM_MEM_FILES); - return 0; } -int drm_fasync(int fd, struct file *filp, int on) +int DRM(fasync)(int fd, struct file *filp, int on) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; int retcode; - + DRM_DEBUG("fd = %d, device = 0x%x\n", fd, dev->device); retcode = fasync_helper(fd, filp, on, &dev->buf_async); if (retcode < 0) return retcode; @@ -142,7 +100,7 @@ int drm_fasync(int fd, struct file *filp, int on) the circular buffer), is based on Alessandro Rubini's LINUX DEVICE DRIVERS (Cambridge: O'Reilly, 1998), pages 111-113. */ -ssize_t drm_read(struct file *filp, char *buf, size_t count, loff_t *off) +ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -152,7 +110,7 @@ ssize_t drm_read(struct file *filp, char *buf, size_t count, loff_t *off) int cur; DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp); - + while (dev->buf_rp == dev->buf_wp) { DRM_DEBUG(" sleeping\n"); if (filp->f_flags & O_NONBLOCK) { @@ -182,12 +140,12 @@ ssize_t drm_read(struct file *filp, char *buf, size_t count, loff_t *off) if (dev->buf_rp == dev->buf_end) dev->buf_rp = dev->buf; send -= cur; } - + wake_up_interruptible(&dev->buf_writers); return DRM_MIN(avail, count);; } -int drm_write_string(drm_device_t *dev, const char *s) +int DRM(write_string)(drm_device_t *dev, const char *s) { int left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ; int send = strlen(s); @@ -195,7 +153,7 @@ int drm_write_string(drm_device_t *dev, const char *s) DRM_DEBUG("%d left, %d to send (%p, %p)\n", left, send, dev->buf_rp, dev->buf_wp); - + if (left == 1 || dev->buf_wp != dev->buf_rp) { DRM_ERROR("Buffer not empty (%d left, wp = %p, rp = %p)\n", left, @@ -239,7 +197,7 @@ int drm_write_string(drm_device_t *dev, const char *s) return 0; } -unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait) +unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; diff --git a/linux/init.c b/linux-core/drm_init.c index 8de3dac9..9ae98414 100644 --- a/linux/init.c +++ b/linux-core/drm_init.c @@ -1,5 +1,5 @@ -/* init.c -- Setup/Cleanup for DRM -*- linux-c -*- - * Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com +/* drm_init.h -- Setup/Cleanup for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,48 +11,48 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" -int drm_flags = 0; +int DRM(flags) = 0; /* drm_parse_option parses a single option. See description for - drm_parse_options for details. */ - -static void drm_parse_option(char *s) + * drm_parse_options for details. + */ +static void DRM(parse_option)(char *s) { char *c, *r; - + DRM_DEBUG("\"%s\"\n", s); if (!s || !*s) return; for (c = s; *c && *c != ':'; c++); /* find : or \0 */ if (*c) r = c + 1; else r = NULL; /* remember remainder */ *c = '\0'; /* terminate */ if (!strcmp(s, "noctx")) { - drm_flags |= DRM_FLAG_NOCTX; + DRM(flags) |= DRM_FLAG_NOCTX; DRM_INFO("Server-mediated context switching OFF\n"); return; } if (!strcmp(s, "debug")) { - drm_flags |= DRM_FLAG_DEBUG; + DRM(flags) |= DRM_FLAG_DEBUG; DRM_INFO("Debug messages ON\n"); return; } @@ -67,7 +67,7 @@ static void drm_parse_option(char *s) * drm ::= 'drm=' option_list * option_list ::= option [ ';' option_list ] * option ::= 'device:' major - * | 'debug' + * | 'debug' * | 'noctx' * major ::= INTEGER * @@ -82,10 +82,10 @@ static void drm_parse_option(char *s) * */ -void drm_parse_options(char *s) +void DRM(parse_options)(char *s) { char *h, *t, *n; - + DRM_DEBUG("\"%s\"\n", s ?: ""); if (!s || !*s) return; @@ -93,21 +93,20 @@ void drm_parse_options(char *s) for (; *t && *t != ';'; t++); /* find ; or \0 */ if (*t) n = t + 1; else n = NULL; /* remember next */ *t = '\0'; /* terminate */ - drm_parse_option(h); /* parse */ + DRM(parse_option)(h); /* parse */ } } /* drm_cpu_valid returns non-zero if the DRI will run on this CPU, and 0 - * otherwise. */ - -int drm_cpu_valid(void) + * otherwise. + */ +int DRM(cpu_valid)(void) { #if defined(__i386__) if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */ #endif #if defined(__sparc__) && !defined(__sparc_v9__) - if (1) - return 0; /* No cmpxchg before v9 sparc. */ + return 0; /* No cmpxchg before v9 sparc. */ #endif return 1; } diff --git a/linux-core/drm_ioctl.c b/linux-core/drm_ioctl.c new file mode 100644 index 00000000..ce6ac2e6 --- /dev/null +++ b/linux-core/drm_ioctl.c @@ -0,0 +1,192 @@ +/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*- + * Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +int DRM(irq_busid)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_irq_busid_t p; + struct pci_dev *dev; + + if (copy_from_user(&p, (drm_irq_busid_t *)arg, sizeof(p))) + return -EFAULT; + dev = pci_find_slot(p.busnum, PCI_DEVFN(p.devnum, p.funcnum)); + if (dev) p.irq = dev->irq; + else p.irq = 0; + DRM_DEBUG("%d:%d:%d => IRQ %d\n", + p.busnum, p.devnum, p.funcnum, p.irq); + if (copy_to_user((drm_irq_busid_t *)arg, &p, sizeof(p))) + return -EFAULT; + return 0; +} + +int DRM(getunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_unique_t u; + + if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u))) + return -EFAULT; + if (u.unique_len >= dev->unique_len) { + if (copy_to_user(u.unique, dev->unique, dev->unique_len)) + return -EFAULT; + } + u.unique_len = dev->unique_len; + if (copy_to_user((drm_unique_t *)arg, &u, sizeof(u))) + return -EFAULT; + return 0; +} + +int DRM(setunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_unique_t u; + + if (dev->unique_len || dev->unique) + return -EBUSY; + + if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u))) + return -EFAULT; + + if (!u.unique_len) + return -EINVAL; + + dev->unique_len = u.unique_len; + dev->unique = DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER); + if (copy_from_user(dev->unique, u.unique, dev->unique_len)) + return -EFAULT; + dev->unique[dev->unique_len] = '\0'; + + dev->devname = DRM(alloc)(strlen(dev->name) + strlen(dev->unique) + 2, + DRM_MEM_DRIVER); + sprintf(dev->devname, "%s@%s", dev->name, dev->unique); + + return 0; +} + + +int DRM(getmap)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_map_t map; + int idx; + + if (copy_from_user(&map, (drm_map_t *)arg, sizeof(map))) + return -EFAULT; + idx = map.offset; + down(&dev->struct_sem); + if (idx < 0 || idx >= dev->map_count) { + up(&dev->struct_sem); + return -EINVAL; + } + map.offset = dev->maplist[idx]->offset; + map.size = dev->maplist[idx]->size; + map.type = dev->maplist[idx]->type; + map.flags = dev->maplist[idx]->flags; + map.handle = dev->maplist[idx]->handle; + map.mtrr = dev->maplist[idx]->mtrr; + up(&dev->struct_sem); + + if (copy_to_user((drm_map_t *)arg, &map, sizeof(map))) return -EFAULT; + return 0; +} + +int DRM(getclient)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_client_t client; + drm_file_t *pt; + int idx; + int i; + + if (copy_from_user(&client, (drm_client_t *)arg, sizeof(client))) + return -EFAULT; + idx = client.idx; + down(&dev->struct_sem); + for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next) + ; + + if (!pt) { + up(&dev->struct_sem); + return -EINVAL; + } + client.auth = pt->authenticated; + client.pid = pt->pid; + client.uid = pt->uid; + client.magic = pt->magic; + client.iocs = pt->ioctl_count; + up(&dev->struct_sem); + + if (copy_to_user((drm_client_t *)arg, &client, sizeof(client))) + return -EFAULT; + return 0; +} + +int DRM(getstats)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_stats_t stats; + int i; + + memset(&stats, 0, sizeof(stats)); + + down(&dev->struct_sem); + + for (i = 0; i < dev->counters; i++) { + if (dev->types[i] == _DRM_STAT_LOCK) + stats.data[i].value + = (dev->lock.hw_lock + ? dev->lock.hw_lock->lock : 0); + else + stats.data[i].value = atomic_read(&dev->counts[i]); + stats.data[i].type = dev->types[i]; + } + + stats.count = dev->counters; + + up(&dev->struct_sem); + + if (copy_to_user((drm_stats_t *)arg, &stats, sizeof(stats))) + return -EFAULT; + return 0; +} diff --git a/linux/lock.c b/linux-core/drm_lock.c index 90d2f130..c10cfe2c 100644 --- a/linux/lock.c +++ b/linux-core/drm_lock.c @@ -1,5 +1,5 @@ /* lock.c -- IOCTLs for locking -*- linux-c -*- - * Created: Tue Feb 2 08:37:54 1999 by faith@precisioninsight.com + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,42 +11,42 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" -int drm_block(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(block)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) { DRM_DEBUG("\n"); return 0; } -int drm_unblock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(unblock)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) { DRM_DEBUG("\n"); return 0; } -int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context) +int DRM(lock_take)(__volatile__ unsigned int *lock, unsigned int context) { unsigned int old, new, prev; @@ -74,8 +74,8 @@ int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context) /* This takes a lock forcibly and hands it to context. Should ONLY be used inside *_unlock to give lock to kernel before calling *_dma_schedule. */ -int drm_lock_transfer(drm_device_t *dev, - __volatile__ unsigned int *lock, unsigned int context) +int DRM(lock_transfer)(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) { unsigned int old, new, prev; @@ -88,8 +88,8 @@ int drm_lock_transfer(drm_device_t *dev, return 1; } -int drm_lock_free(drm_device_t *dev, - __volatile__ unsigned int *lock, unsigned int context) +int DRM(lock_free)(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) { unsigned int old, new, prev; pid_t pid = dev->lock.pid; @@ -111,14 +111,14 @@ int drm_lock_free(drm_device_t *dev, return 0; } -static int drm_flush_queue(drm_device_t *dev, int context) +static int DRM(flush_queue)(drm_device_t *dev, int context) { DECLARE_WAITQUEUE(entry, current); int ret = 0; drm_queue_t *q = dev->queuelist[context]; - + DRM_DEBUG("\n"); - + atomic_inc(&q->use_count); if (atomic_read(&q->use_count) > 1) { atomic_inc(&q->block_write); @@ -138,19 +138,18 @@ static int drm_flush_queue(drm_device_t *dev, int context) remove_wait_queue(&q->flush_queue, &entry); } atomic_dec(&q->use_count); - atomic_inc(&q->total_flushed); - + /* NOTE: block_write is still incremented! Use drm_flush_unlock_queue to decrement. */ return ret; } -static int drm_flush_unblock_queue(drm_device_t *dev, int context) +static int DRM(flush_unblock_queue)(drm_device_t *dev, int context) { drm_queue_t *q = dev->queuelist[context]; - + DRM_DEBUG("\n"); - + atomic_inc(&q->use_count); if (atomic_read(&q->use_count) > 1) { if (atomic_read(&q->block_write)) { @@ -162,48 +161,48 @@ static int drm_flush_unblock_queue(drm_device_t *dev, int context) return 0; } -int drm_flush_block_and_flush(drm_device_t *dev, int context, - drm_lock_flags_t flags) +int DRM(flush_block_and_flush)(drm_device_t *dev, int context, + drm_lock_flags_t flags) { int ret = 0; int i; - + DRM_DEBUG("\n"); - + if (flags & _DRM_LOCK_FLUSH) { - ret = drm_flush_queue(dev, DRM_KERNEL_CONTEXT); - if (!ret) ret = drm_flush_queue(dev, context); + ret = DRM(flush_queue)(dev, DRM_KERNEL_CONTEXT); + if (!ret) ret = DRM(flush_queue)(dev, context); } if (flags & _DRM_LOCK_FLUSH_ALL) { for (i = 0; !ret && i < dev->queue_count; i++) { - ret = drm_flush_queue(dev, i); + ret = DRM(flush_queue)(dev, i); } } return ret; } -int drm_flush_unblock(drm_device_t *dev, int context, drm_lock_flags_t flags) +int DRM(flush_unblock)(drm_device_t *dev, int context, drm_lock_flags_t flags) { int ret = 0; int i; - + DRM_DEBUG("\n"); - + if (flags & _DRM_LOCK_FLUSH) { - ret = drm_flush_unblock_queue(dev, DRM_KERNEL_CONTEXT); - if (!ret) ret = drm_flush_unblock_queue(dev, context); + ret = DRM(flush_unblock_queue)(dev, DRM_KERNEL_CONTEXT); + if (!ret) ret = DRM(flush_unblock_queue)(dev, context); } if (flags & _DRM_LOCK_FLUSH_ALL) { for (i = 0; !ret && i < dev->queue_count; i++) { - ret = drm_flush_unblock_queue(dev, i); + ret = DRM(flush_unblock_queue)(dev, i); } } - + return ret; } -int drm_finish(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int DRM(finish)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -214,24 +213,24 @@ int drm_finish(struct inode *inode, struct file *filp, unsigned int cmd, if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) return -EFAULT; - ret = drm_flush_block_and_flush(dev, lock.context, lock.flags); - drm_flush_unblock(dev, lock.context, lock.flags); + ret = DRM(flush_block_and_flush)(dev, lock.context, lock.flags); + DRM(flush_unblock)(dev, lock.context, lock.flags); return ret; } /* If we get here, it means that the process has called DRM_IOCTL_LOCK without calling DRM_IOCTL_UNLOCK. - + If the lock is not held, then let the signal proceed as usual. - + If the lock is held, then set the contended flag and keep the signal blocked. - + Return 1 if the signal should be delivered normally. Return 0 if the signal should be blocked. */ -int drm_notifier(void *priv) +int DRM(notifier)(void *priv) { drm_sigdata_t *s = (drm_sigdata_t *)priv; unsigned int old, new, prev; @@ -240,7 +239,7 @@ int drm_notifier(void *priv) /* Allow signal delivery if lock isn't held */ if (!_DRM_LOCK_IS_HELD(s->lock->lock) || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1; - + /* Otherwise, set flag to force call to drmUnlock */ do { diff --git a/linux/memory.c b/linux-core/drm_memory.h index 6128010c..caf05394 100644 --- a/linux/memory.c +++ b/linux-core/drm_memory.h @@ -1,5 +1,5 @@ -/* memory.c -- Memory management wrappers for DRM -*- linux-c -*- - * Created: Thu Feb 4 14:00:34 1999 by faith@precisioninsight.com +/* drm_memory.h -- Memory management wrappers for DRM -*- linux-c -*- + * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,22 +11,22 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ @@ -43,10 +43,10 @@ typedef struct drm_mem_stats { unsigned long bytes_freed; } drm_mem_stats_t; -static spinlock_t drm_mem_lock = SPIN_LOCK_UNLOCKED; -static unsigned long drm_ram_available = 0; /* In pages */ -static unsigned long drm_ram_used = 0; -static drm_mem_stats_t drm_mem_stats[] = { +static spinlock_t DRM(mem_lock) = SPIN_LOCK_UNLOCKED; +static unsigned long DRM(ram_available) = 0; /* In pages */ +static unsigned long DRM(ram_used) = 0; +static drm_mem_stats_t DRM(mem_stats)[] = { [DRM_MEM_DMA] = { "dmabufs" }, [DRM_MEM_SAREA] = { "sareas" }, [DRM_MEM_DRIVER] = { "driver" }, @@ -66,55 +66,60 @@ static drm_mem_stats_t drm_mem_stats[] = { [DRM_MEM_TOTALAGP] = { "totalagp" }, [DRM_MEM_BOUNDAGP] = { "boundagp" }, [DRM_MEM_CTXBITMAP] = { "ctxbitmap"}, - [DRM_MEM_SG] = { "sg dma" }, - [DRM_MEM_SGLISTS] = { "sglist" }, + [DRM_MEM_STUB] = { "stub" }, { NULL, 0, } /* Last entry must be null */ }; -void drm_mem_init(void) +void DRM(mem_init)(void) { drm_mem_stats_t *mem; struct sysinfo si; - - for (mem = drm_mem_stats; mem->name; ++mem) { + + for (mem = DRM(mem_stats); mem->name; ++mem) { mem->succeed_count = 0; mem->free_count = 0; mem->fail_count = 0; mem->bytes_allocated = 0; mem->bytes_freed = 0; } - + si_meminfo(&si); #if LINUX_VERSION_CODE < 0x020317 /* Changed to page count in 2.3.23 */ - drm_ram_available = si.totalram >> PAGE_SHIFT; + DRM(ram_available) = si.totalram >> PAGE_SHIFT; #else - drm_ram_available = si.totalram; + DRM(ram_available) = si.totalram; #endif - drm_ram_used = 0; + DRM(ram_used) = 0; } /* drm_mem_info is called whenever a process reads /dev/drm/mem. */ -static int _drm_mem_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(_mem_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data) { drm_mem_stats_t *pt; + int len = 0; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *eof = 0; + *start = &buf[offset]; - if (offset > 0) return 0; /* no partial requests */ - len = 0; - *eof = 1; DRM_PROC_PRINT(" total counts " " | outstanding \n"); DRM_PROC_PRINT("type alloc freed fail bytes freed" " | allocs bytes\n\n"); DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", "system", 0, 0, 0, - drm_ram_available << (PAGE_SHIFT - 10)); + DRM(ram_available) << (PAGE_SHIFT - 10)); DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", - "locked", 0, 0, 0, drm_ram_used >> 10); + "locked", 0, 0, 0, DRM(ram_used) >> 10); DRM_PROC_PRINT("\n"); - for (pt = drm_mem_stats; pt->name; pt++) { + for (pt = DRM(mem_stats); pt->name; pt++) { DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n", pt->name, pt->succeed_count, @@ -126,125 +131,127 @@ static int _drm_mem_info(char *buf, char **start, off_t offset, int len, (long)pt->bytes_allocated - (long)pt->bytes_freed); } - - return len; + + if (len > request + offset) return request; + *eof = 1; + return len - offset; } -int drm_mem_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +int DRM(mem_info)(char *buf, char **start, off_t offset, + int len, int *eof, void *data) { int ret; - - spin_lock(&drm_mem_lock); - ret = _drm_mem_info(buf, start, offset, len, eof, data); - spin_unlock(&drm_mem_lock); + + spin_lock(&DRM(mem_lock)); + ret = DRM(_mem_info)(buf, start, offset, len, eof, data); + spin_unlock(&DRM(mem_lock)); return ret; } -void *drm_alloc(size_t size, int area) +void *DRM(alloc)(size_t size, int area) { void *pt; - + if (!size) { DRM_MEM_ERROR(area, "Allocating 0 bytes\n"); return NULL; } - + if (!(pt = kmalloc(size, GFP_KERNEL))) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[area].fail_count; - spin_unlock(&drm_mem_lock); + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].fail_count; + spin_unlock(&DRM(mem_lock)); return NULL; } - spin_lock(&drm_mem_lock); - ++drm_mem_stats[area].succeed_count; - drm_mem_stats[area].bytes_allocated += size; - spin_unlock(&drm_mem_lock); + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].succeed_count; + DRM(mem_stats)[area].bytes_allocated += size; + spin_unlock(&DRM(mem_lock)); return pt; } -void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) +void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area) { void *pt; - - if (!(pt = drm_alloc(size, area))) return NULL; + + if (!(pt = DRM(alloc)(size, area))) return NULL; if (oldpt && oldsize) { memcpy(pt, oldpt, oldsize); - drm_free(oldpt, oldsize, area); + DRM(free)(oldpt, oldsize, area); } return pt; } -char *drm_strdup(const char *s, int area) +char *DRM(strdup)(const char *s, int area) { char *pt; int length = s ? strlen(s) : 0; - - if (!(pt = drm_alloc(length+1, area))) return NULL; + + if (!(pt = DRM(alloc)(length+1, area))) return NULL; strcpy(pt, s); return pt; } -void drm_strfree(const char *s, int area) +void DRM(strfree)(const char *s, int area) { unsigned int size; - + if (!s) return; - + size = 1 + (s ? strlen(s) : 0); - drm_free((void *)s, size, area); + DRM(free)((void *)s, size, area); } -void drm_free(void *pt, size_t size, int area) +void DRM(free)(void *pt, size_t size, int area) { int alloc_count; int free_count; - + if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n"); else kfree(pt); - spin_lock(&drm_mem_lock); - drm_mem_stats[area].bytes_freed += size; - free_count = ++drm_mem_stats[area].free_count; - alloc_count = drm_mem_stats[area].succeed_count; - spin_unlock(&drm_mem_lock); + spin_lock(&DRM(mem_lock)); + DRM(mem_stats)[area].bytes_freed += size; + free_count = ++DRM(mem_stats)[area].free_count; + alloc_count = DRM(mem_stats)[area].succeed_count; + spin_unlock(&DRM(mem_lock)); if (free_count > alloc_count) { DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n", free_count, alloc_count); } } -unsigned long drm_alloc_pages(int order, int area) +unsigned long DRM(alloc_pages)(int order, int area) { unsigned long address; unsigned long bytes = PAGE_SIZE << order; unsigned long addr; unsigned int sz; - - spin_lock(&drm_mem_lock); - if ((drm_ram_used >> PAGE_SHIFT) - > (DRM_RAM_PERCENT * drm_ram_available) / 100) { - spin_unlock(&drm_mem_lock); + + spin_lock(&DRM(mem_lock)); + if ((DRM(ram_used) >> PAGE_SHIFT) + > (DRM_RAM_PERCENT * DRM(ram_available)) / 100) { + spin_unlock(&DRM(mem_lock)); return 0; } - spin_unlock(&drm_mem_lock); - + spin_unlock(&DRM(mem_lock)); + address = __get_free_pages(GFP_KERNEL, order); if (!address) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[area].fail_count; - spin_unlock(&drm_mem_lock); + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].fail_count; + spin_unlock(&DRM(mem_lock)); return 0; } - spin_lock(&drm_mem_lock); - ++drm_mem_stats[area].succeed_count; - drm_mem_stats[area].bytes_allocated += bytes; - drm_ram_used += bytes; - spin_unlock(&drm_mem_lock); - - + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].succeed_count; + DRM(mem_stats)[area].bytes_allocated += bytes; + DRM(ram_used) += bytes; + spin_unlock(&DRM(mem_lock)); + + /* Zero outside the lock */ memset((void *)address, 0, bytes); - + /* Reserve */ for (addr = address, sz = bytes; sz > 0; @@ -256,18 +263,18 @@ unsigned long drm_alloc_pages(int order, int area) mem_map_reserve(MAP_NR(addr)); #endif } - + return address; } -void drm_free_pages(unsigned long address, int order, int area) +void DRM(free_pages)(unsigned long address, int order, int area) { unsigned long bytes = PAGE_SIZE << order; int alloc_count; int free_count; unsigned long addr; unsigned int sz; - + if (!address) { DRM_MEM_ERROR(area, "Attempt to free address 0\n"); } else { @@ -284,13 +291,13 @@ void drm_free_pages(unsigned long address, int order, int area) } free_pages(address, order); } - - spin_lock(&drm_mem_lock); - free_count = ++drm_mem_stats[area].free_count; - alloc_count = drm_mem_stats[area].succeed_count; - drm_mem_stats[area].bytes_freed += bytes; - drm_ram_used -= bytes; - spin_unlock(&drm_mem_lock); + + spin_lock(&DRM(mem_lock)); + free_count = ++DRM(mem_stats)[area].free_count; + alloc_count = DRM(mem_stats)[area].succeed_count; + DRM(mem_stats)[area].bytes_freed += bytes; + DRM(ram_used) -= bytes; + spin_unlock(&DRM(mem_lock)); if (free_count > alloc_count) { DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n", @@ -298,45 +305,45 @@ void drm_free_pages(unsigned long address, int order, int area) } } -void *drm_ioremap(unsigned long offset, unsigned long size) +void *DRM(ioremap)(unsigned long offset, unsigned long size) { void *pt; - + if (!size) { DRM_MEM_ERROR(DRM_MEM_MAPPINGS, "Mapping 0 bytes at 0x%08lx\n", offset); return NULL; } - + if (!(pt = ioremap(offset, size))) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_MAPPINGS].fail_count; - spin_unlock(&drm_mem_lock); + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count; + spin_unlock(&DRM(mem_lock)); return NULL; } - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; - drm_mem_stats[DRM_MEM_MAPPINGS].bytes_allocated += size; - spin_unlock(&drm_mem_lock); + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; + DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size; + spin_unlock(&DRM(mem_lock)); return pt; } -void drm_ioremapfree(void *pt, unsigned long size) +void DRM(ioremapfree)(void *pt, unsigned long size) { int alloc_count; int free_count; - + if (!pt) DRM_MEM_ERROR(DRM_MEM_MAPPINGS, "Attempt to free NULL pointer\n"); else iounmap(pt); - - spin_lock(&drm_mem_lock); - drm_mem_stats[DRM_MEM_MAPPINGS].bytes_freed += size; - free_count = ++drm_mem_stats[DRM_MEM_MAPPINGS].free_count; - alloc_count = drm_mem_stats[DRM_MEM_MAPPINGS].succeed_count; - spin_unlock(&drm_mem_lock); + + spin_lock(&DRM(mem_lock)); + DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_freed += size; + free_count = ++DRM(mem_stats)[DRM_MEM_MAPPINGS].free_count; + alloc_count = DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; + spin_unlock(&DRM(mem_lock)); if (free_count > alloc_count) { DRM_MEM_ERROR(DRM_MEM_MAPPINGS, "Excess frees: %d frees, %d allocs\n", @@ -345,7 +352,9 @@ void drm_ioremapfree(void *pt, unsigned long size) } #if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) -agp_memory *drm_alloc_agp(int pages, u32 type) +#if __MUST_HAVE_AGP + +agp_memory *DRM(alloc_agp)(int pages, u32 type) { agp_memory *handle; @@ -353,22 +362,22 @@ agp_memory *drm_alloc_agp(int pages, u32 type) DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n"); return NULL; } - - if ((handle = drm_agp_allocate_memory(pages, type))) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count; - drm_mem_stats[DRM_MEM_TOTALAGP].bytes_allocated + + if ((handle = DRM(agp_allocate_memory)(pages, type))) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_allocated += pages << PAGE_SHIFT; - spin_unlock(&drm_mem_lock); + spin_unlock(&DRM(mem_lock)); return handle; } - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_TOTALAGP].fail_count; - spin_unlock(&drm_mem_lock); + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_TOTALAGP].fail_count; + spin_unlock(&DRM(mem_lock)); return NULL; } -int drm_free_agp(agp_memory *handle, int pages) +int DRM(free_agp)(agp_memory *handle, int pages) { int alloc_count; int free_count; @@ -379,14 +388,14 @@ int drm_free_agp(agp_memory *handle, int pages) "Attempt to free NULL AGP handle\n"); return retval;; } - - if (drm_agp_free_memory(handle)) { - spin_lock(&drm_mem_lock); - free_count = ++drm_mem_stats[DRM_MEM_TOTALAGP].free_count; - alloc_count = drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count; - drm_mem_stats[DRM_MEM_TOTALAGP].bytes_freed + + if (DRM(agp_free_memory)(handle)) { + spin_lock(&DRM(mem_lock)); + free_count = ++DRM(mem_stats)[DRM_MEM_TOTALAGP].free_count; + alloc_count = DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_freed += pages << PAGE_SHIFT; - spin_unlock(&drm_mem_lock); + spin_unlock(&DRM(mem_lock)); if (free_count > alloc_count) { DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Excess frees: %d frees, %d allocs\n", @@ -397,7 +406,7 @@ int drm_free_agp(agp_memory *handle, int pages) return retval; } -int drm_bind_agp(agp_memory *handle, unsigned int start) +int DRM(bind_agp)(agp_memory *handle, unsigned int start) { int retcode = -EINVAL; @@ -407,39 +416,39 @@ int drm_bind_agp(agp_memory *handle, unsigned int start) return retcode; } - if (!(retcode = drm_agp_bind_memory(handle, start))) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count; - drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_allocated + if (!(retcode = DRM(agp_bind_memory)(handle, start))) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_allocated += handle->page_count << PAGE_SHIFT; - spin_unlock(&drm_mem_lock); + spin_unlock(&DRM(mem_lock)); return retcode; } - spin_lock(&drm_mem_lock); - ++drm_mem_stats[DRM_MEM_BOUNDAGP].fail_count; - spin_unlock(&drm_mem_lock); + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].fail_count; + spin_unlock(&DRM(mem_lock)); return retcode; } -int drm_unbind_agp(agp_memory *handle) +int DRM(unbind_agp)(agp_memory *handle) { int alloc_count; int free_count; int retcode = -EINVAL; - + if (!handle) { DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, "Attempt to unbind NULL AGP handle\n"); return retcode; } - if ((retcode = drm_agp_unbind_memory(handle))) return retcode; - spin_lock(&drm_mem_lock); - free_count = ++drm_mem_stats[DRM_MEM_BOUNDAGP].free_count; - alloc_count = drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count; - drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_freed + if ((retcode = DRM(agp_unbind_memory)(handle))) return retcode; + spin_lock(&DRM(mem_lock)); + free_count = ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].free_count; + alloc_count = DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_freed += handle->page_count << PAGE_SHIFT; - spin_unlock(&drm_mem_lock); + spin_unlock(&DRM(mem_lock)); if (free_count > alloc_count) { DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, "Excess frees: %d frees, %d allocs\n", @@ -448,3 +457,4 @@ int drm_unbind_agp(agp_memory *handle) return retcode; } #endif +#endif /* defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) */ diff --git a/linux/proc.c b/linux-core/drm_proc.c index c18ed688..ee9c0cbc 100644 --- a/linux/proc.c +++ b/linux-core/drm_proc.c @@ -1,5 +1,5 @@ -/* proc.c -- /proc support for DRM -*- linux-c -*- - * Created: Mon Jan 11 09:48:47 1999 by faith@precisioninsight.com +/* drm_proc.h -- /proc support for DRM -*- linux-c -*- + * Created: Mon Jan 11 09:48:47 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,144 +11,141 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + * + * Acknowledgements: + * Matthew J Sottek <matthew.j.sottek@intel.com> sent in a patch to fix + * the problem with the proc files not outputting all their information. */ #define __NO_VERSION__ #include "drmP.h" -static struct proc_dir_entry *drm_root = NULL; -static struct proc_dir_entry *drm_dev_root = NULL; -static char drm_slot_name[64]; - -static int drm_name_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data); -static int drm_vm_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data); -static int drm_clients_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data); -static int drm_queues_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data); -static int drm_bufs_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data); +static int DRM(name_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int DRM(vm_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int DRM(clients_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int DRM(queues_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int DRM(bufs_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); #if DRM_DEBUG_CODE -static int drm_vma_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data); +static int DRM(vma_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); #endif -#if DRM_DMA_HISTOGRAM -static int drm_histo_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data); +#if __HAVE_DMA_HISTOGRAM +static int DRM(histo_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); #endif struct drm_proc_list { const char *name; int (*f)(char *, char **, off_t, int, int *, void *); -} drm_proc_list[] = { - { "name", drm_name_info }, - { "mem", drm_mem_info }, - { "vm", drm_vm_info }, - { "clients", drm_clients_info }, - { "queues", drm_queues_info }, - { "bufs", drm_bufs_info }, +} DRM(proc_list)[] = { + { "name", DRM(name_info) }, + { "mem", DRM(mem_info) }, + { "vm", DRM(vm_info) }, + { "clients", DRM(clients_info) }, + { "queues", DRM(queues_info) }, + { "bufs", DRM(bufs_info) }, #if DRM_DEBUG_CODE - { "vma", drm_vma_info }, + { "vma", DRM(vma_info) }, #endif -#if DRM_DMA_HISTOGRAM - { "histo", drm_histo_info }, +#if __HAVE_DMA_HISTOGRAM + { "histo", DRM(histo_info) }, #endif }; -#define DRM_PROC_ENTRIES (sizeof(drm_proc_list)/sizeof(drm_proc_list[0])) +#define DRM_PROC_ENTRIES (sizeof(DRM(proc_list))/sizeof(DRM(proc_list)[0])) -int drm_proc_init(drm_device_t *dev) +struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev, int minor, + struct proc_dir_entry *root, + struct proc_dir_entry **dev_root) { struct proc_dir_entry *ent; int i, j; + char name[64]; - drm_root = create_proc_entry("dri", S_IFDIR, NULL); - if (!drm_root) { + if (!minor) root = create_proc_entry("dri", S_IFDIR, NULL); + if (!root) { DRM_ERROR("Cannot create /proc/dri\n"); - return -1; + return NULL; } - /* Instead of doing this search, we should - add some global support for /proc/dri. */ - for (i = 0; i < 8; i++) { - sprintf(drm_slot_name, "dri/%d", i); - drm_dev_root = create_proc_entry(drm_slot_name, S_IFDIR, NULL); - if (!drm_dev_root) { - DRM_ERROR("Cannot create /proc/%s\n", drm_slot_name); - remove_proc_entry("dri", NULL); - } - if (drm_dev_root->nlink == 2) break; - drm_dev_root = NULL; - } - if (!drm_dev_root) { - DRM_ERROR("Cannot find slot in /proc/dri\n"); - return -1; + sprintf(name, "%d", minor); + *dev_root = create_proc_entry(name, S_IFDIR, root); + if (!*dev_root) { + DRM_ERROR("Cannot create /proc/%s\n", name); + return NULL; } for (i = 0; i < DRM_PROC_ENTRIES; i++) { - ent = create_proc_entry(drm_proc_list[i].name, - S_IFREG|S_IRUGO, drm_dev_root); + ent = create_proc_entry(DRM(proc_list)[i].name, + S_IFREG|S_IRUGO, *dev_root); if (!ent) { - DRM_ERROR("Cannot create /proc/%s/%s\n", - drm_slot_name, drm_proc_list[i].name); + DRM_ERROR("Cannot create /proc/dri/%s/%s\n", + name, DRM(proc_list)[i].name); for (j = 0; j < i; j++) - remove_proc_entry(drm_proc_list[i].name, - drm_dev_root); - remove_proc_entry(drm_slot_name, NULL); - remove_proc_entry("dri", NULL); - return -1; + remove_proc_entry(DRM(proc_list)[i].name, + *dev_root); + remove_proc_entry(name, root); + if (!minor) remove_proc_entry("dri", NULL); + return NULL; } - ent->read_proc = drm_proc_list[i].f; + ent->read_proc = DRM(proc_list)[i].f; ent->data = dev; } - return 0; + return root; } -int drm_proc_cleanup(void) +int DRM(proc_cleanup)(int minor, struct proc_dir_entry *root, + struct proc_dir_entry *dev_root) { - int i; - - if (drm_root) { - if (drm_dev_root) { - for (i = 0; i < DRM_PROC_ENTRIES; i++) { - remove_proc_entry(drm_proc_list[i].name, - drm_dev_root); - } - remove_proc_entry(drm_slot_name, NULL); - } - remove_proc_entry("dri", NULL); - remove_proc_entry(DRM_NAME, NULL); - } - drm_root = drm_dev_root = NULL; + int i; + char name[64]; + + if (!root || !dev_root) return 0; + + for (i = 0; i < DRM_PROC_ENTRIES; i++) + remove_proc_entry(DRM(proc_list)[i].name, dev_root); + sprintf(name, "%d", minor); + remove_proc_entry(name, root); + if (!minor) remove_proc_entry("dri", NULL); + return 0; } -static int drm_name_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(name_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; + int len = 0; - if (offset > 0) return 0; /* no partial requests */ - len = 0; - *eof = 1; + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; if (dev->unique) { DRM_PROC_PRINT("%s 0x%x %s\n", @@ -156,29 +153,38 @@ static int drm_name_info(char *buf, char **start, off_t offset, int len, } else { DRM_PROC_PRINT("%s 0x%x\n", dev->name, dev->device); } - return len; + + if (len > request + offset) return request; + *eof = 1; + return len - offset; } -static int _drm_vm_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(_vm_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; + int len = 0; drm_map_t *map; /* Hardcoded from _DRM_FRAME_BUFFER, - _DRM_REGISTERS, _DRM_SHM, - _DRM_AGP, and _DRM_SCATTER_GATHER. */ - const char *types[] = { "FB", "REG", "SHM", "AGP", "SG" }; + _DRM_REGISTERS, _DRM_SHM, and + _DRM_AGP. */ + const char *types[] = { "FB", "REG", "SHM", "AGP" }; const char *type; int i; - if (offset > 0) return 0; /* no partial requests */ - len = 0; - *eof = 1; + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + DRM_PROC_PRINT("slot offset size type flags " "address mtrr\n\n"); for (i = 0; i < dev->map_count; i++) { map = dev->maplist[i]; - if (map->type < 0 || map->type > 4) type = "??"; + if (map->type < 0 || map->type > 3) type = "??"; else type = types[map->type]; DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", i, @@ -194,32 +200,40 @@ static int _drm_vm_info(char *buf, char **start, off_t offset, int len, } } - return len; + if (len > request + offset) return request; + *eof = 1; + return len - offset; } -static int drm_vm_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(vm_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; int ret; down(&dev->struct_sem); - ret = _drm_vm_info(buf, start, offset, len, eof, data); + ret = DRM(_vm_info)(buf, start, offset, request, eof, data); up(&dev->struct_sem); return ret; } -static int _drm_queues_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(_queues_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; + int len = 0; int i; drm_queue_t *q; - if (offset > 0) return 0; /* no partial requests */ - len = 0; - *eof = 1; + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + DRM_PROC_PRINT(" ctx/flags use fin" " blk/rw/rwf wait flushed queued" " locks\n\n"); @@ -228,7 +242,7 @@ static int _drm_queues_info(char *buf, char **start, off_t offset, int len, atomic_inc(&q->use_count); DRM_PROC_PRINT_RET(atomic_dec(&q->use_count), "%5d/0x%03x %5d %5d" - " %5d/%c%c/%c%c%c %5Zd %10d %10d %10d\n", + " %5d/%c%c/%c%c%c %5Zd\n", i, q->flags, atomic_read(&q->use_count), @@ -239,42 +253,46 @@ static int _drm_queues_info(char *buf, char **start, off_t offset, int len, waitqueue_active(&q->read_queue) ? 'r':'-', waitqueue_active(&q->write_queue) ? 'w':'-', waitqueue_active(&q->flush_queue) ? 'f':'-', - DRM_BUFCOUNT(&q->waitlist), - atomic_read(&q->total_flushed), - atomic_read(&q->total_queued), - atomic_read(&q->total_locks)); + DRM_BUFCOUNT(&q->waitlist)); atomic_dec(&q->use_count); } - - return len; + + if (len > request + offset) return request; + *eof = 1; + return len - offset; } -static int drm_queues_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(queues_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; int ret; down(&dev->struct_sem); - ret = _drm_queues_info(buf, start, offset, len, eof, data); + ret = DRM(_queues_info)(buf, start, offset, request, eof, data); up(&dev->struct_sem); return ret; } /* drm_bufs_info is called whenever a process reads - /dev/drm/<dev>/bufs. */ + /dev/dri/<dev>/bufs. */ -static int _drm_bufs_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(_bufs_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; + int len = 0; drm_device_dma_t *dma = dev->dma; int i; - if (!dma) return 0; - if (offset > 0) return 0; /* no partial requests */ - len = 0; - *eof = 1; + if (!dma || offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + DRM_PROC_PRINT(" o size count free segs pages kB\n\n"); for (i = 0; i <= DRM_MAX_ORDER; i++) { if (dma->bufs[i].buf_count) @@ -298,31 +316,39 @@ static int _drm_bufs_info(char *buf, char **start, off_t offset, int len, } DRM_PROC_PRINT("\n"); - return len; + if (len > request + offset) return request; + *eof = 1; + return len - offset; } -static int drm_bufs_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(bufs_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; int ret; down(&dev->struct_sem); - ret = _drm_bufs_info(buf, start, offset, len, eof, data); + ret = DRM(_bufs_info)(buf, start, offset, request, eof, data); up(&dev->struct_sem); return ret; } -static int _drm_clients_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(_clients_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; + int len = 0; drm_file_t *priv; - if (offset > 0) return 0; /* no partial requests */ - len = 0; - *eof = 1; + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n"); for (priv = dev->file_first; priv; priv = priv->next) { DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n", @@ -334,17 +360,19 @@ static int _drm_clients_info(char *buf, char **start, off_t offset, int len, priv->ioctl_count); } - return len; + if (len > request + offset) return request; + *eof = 1; + return len - offset; } -static int drm_clients_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(clients_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; int ret; down(&dev->struct_sem); - ret = _drm_clients_info(buf, start, offset, len, eof, data); + ret = DRM(_clients_info)(buf, start, offset, request, eof, data); up(&dev->struct_sem); return ret; } @@ -353,10 +381,11 @@ static int drm_clients_info(char *buf, char **start, off_t offset, int len, #define DRM_VMA_VERBOSE 0 -static int _drm_vma_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(_vma_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; + int len = 0; drm_vma_entry_t *pt; struct vm_area_struct *vma; #if DRM_VMA_VERBOSE @@ -370,9 +399,14 @@ static int _drm_vma_info(char *buf, char **start, off_t offset, int len, unsigned int pgprot; #endif - if (offset > 0) return 0; /* no partial requests */ - len = 0; - *eof = 1; + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n", atomic_read(&dev->vma_count), high_memory, virt_to_phys(high_memory)); @@ -389,7 +423,7 @@ static int _drm_vma_info(char *buf, char **start, off_t offset, int len, vma->vm_flags & VM_LOCKED ? 'l' : '-', vma->vm_flags & VM_IO ? 'i' : '-', VM_OFFSET(vma)); - + #if defined(__i386__) pgprot = pgprot_val(vma->vm_page_prot); DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c", @@ -402,7 +436,7 @@ static int _drm_vma_info(char *buf, char **start, off_t offset, int len, pgprot & _PAGE_DIRTY ? 'd' : '-', pgprot & _PAGE_PSE ? 'm' : 'k', pgprot & _PAGE_GLOBAL ? 'g' : 'l' ); -#endif +#endif DRM_PROC_PRINT("\n"); #if 0 for (i = vma->vm_start; i < vma->vm_end; i += PAGE_SIZE) { @@ -411,7 +445,7 @@ static int _drm_vma_info(char *buf, char **start, off_t offset, int len, pte = pte_offset(pmd, i); if (pte_present(*pte)) { address = __pa(pte_page(*pte)) - /*+ (i & (PAGE_SIZE-1));*/ + + (i & (PAGE_SIZE-1)); DRM_PROC_PRINT(" 0x%08lx -> 0x%08lx" " %c%c%c%c%c\n", i, @@ -427,55 +461,63 @@ static int _drm_vma_info(char *buf, char **start, off_t offset, int len, } #endif } - - return len; + + if (len > request + offset) return request; + *eof = 1; + return len - offset; } -static int drm_vma_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(vma_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; int ret; down(&dev->struct_sem); - ret = _drm_vma_info(buf, start, offset, len, eof, data); + ret = DRM(_vma_info)(buf, start, offset, request, eof, data); up(&dev->struct_sem); return ret; } #endif -#if DRM_DMA_HISTOGRAM -static int _drm_histo_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +#if __HAVE_DMA_HISTOGRAM +static int DRM(_histo_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; + int len = 0; drm_device_dma_t *dma = dev->dma; int i; unsigned long slot_value = DRM_DMA_HISTOGRAM_INITIAL; unsigned long prev_value = 0; drm_buf_t *buffer; - if (offset > 0) return 0; /* no partial requests */ - len = 0; - *eof = 1; + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; DRM_PROC_PRINT("general statistics:\n"); DRM_PROC_PRINT("total %10u\n", atomic_read(&dev->histo.total)); - DRM_PROC_PRINT("open %10u\n", atomic_read(&dev->total_open)); - DRM_PROC_PRINT("close %10u\n", atomic_read(&dev->total_close)); - DRM_PROC_PRINT("ioctl %10u\n", atomic_read(&dev->total_ioctl)); - DRM_PROC_PRINT("irq %10u\n", atomic_read(&dev->total_irq)); - DRM_PROC_PRINT("ctx %10u\n", atomic_read(&dev->total_ctx)); - - DRM_PROC_PRINT("\nlock statistics:\n"); - DRM_PROC_PRINT("locks %10u\n", atomic_read(&dev->total_locks)); - DRM_PROC_PRINT("unlocks %10u\n", atomic_read(&dev->total_unlocks)); - DRM_PROC_PRINT("contends %10u\n", atomic_read(&dev->total_contends)); - DRM_PROC_PRINT("sleeps %10u\n", atomic_read(&dev->total_sleeps)); + DRM_PROC_PRINT("open %10u\n", + atomic_read(&dev->counts[_DRM_STAT_OPENS])); + DRM_PROC_PRINT("close %10u\n", + atomic_read(&dev->counts[_DRM_STAT_CLOSES])); + DRM_PROC_PRINT("ioctl %10u\n", + atomic_read(&dev->counts[_DRM_STAT_IOCTLS])); + DRM_PROC_PRINT("\nlock statistics:\n"); + DRM_PROC_PRINT("locks %10u\n", + atomic_read(&dev->counts[_DRM_STAT_LOCKS])); + DRM_PROC_PRINT("unlocks %10u\n", + atomic_read(&dev->counts[_DRM_STAT_UNLOCKS])); if (dma) { +#if 0 DRM_PROC_PRINT("\ndma statistics:\n"); DRM_PROC_PRINT("prio %10u\n", atomic_read(&dma->total_prio)); @@ -498,7 +540,8 @@ static int _drm_histo_info(char *buf, char **start, off_t offset, int len, atomic_read(&dma->total_hit)); DRM_PROC_PRINT("lost %10u\n", atomic_read(&dma->total_lost)); - +#endif + buffer = dma->next_buffer; if (buffer) { DRM_PROC_PRINT("next_buffer %7d\n", buffer->idx); @@ -512,7 +555,7 @@ static int _drm_histo_info(char *buf, char **start, off_t offset, int len, DRM_PROC_PRINT("this_buffer none\n"); } } - + DRM_PROC_PRINT("\nvalues:\n"); if (dev->lock.hw_lock) { @@ -529,8 +572,8 @@ static int _drm_histo_info(char *buf, char **start, off_t offset, int len, DRM_PROC_PRINT("last_context %10d\n", dev->last_context); DRM_PROC_PRINT("last_switch %10lu\n", dev->last_switch); DRM_PROC_PRINT("last_checked %10d\n", dev->last_checked); - - + + DRM_PROC_PRINT("\n q2d d2c c2f" " q2c q2f dma sch" " ctx lacq lhld\n\n"); @@ -540,14 +583,14 @@ static int _drm_histo_info(char *buf, char **start, off_t offset, int len, i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ", i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? prev_value : slot_value , - + atomic_read(&dev->histo .queued_to_dispatched[i]), atomic_read(&dev->histo .dispatched_to_completed[i]), atomic_read(&dev->histo .completed_to_freed[i]), - + atomic_read(&dev->histo .queued_to_completed[i]), atomic_read(&dev->histo @@ -560,17 +603,20 @@ static int _drm_histo_info(char *buf, char **start, off_t offset, int len, prev_value = slot_value; slot_value = DRM_DMA_HISTOGRAM_NEXT(slot_value); } - return len; + + if (len > request + offset) return request; + *eof = 1; + return len - offset; } -static int drm_histo_info(char *buf, char **start, off_t offset, int len, - int *eof, void *data) +static int DRM(histo_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) { drm_device_t *dev = (drm_device_t *)data; int ret; down(&dev->struct_sem); - ret = _drm_histo_info(buf, start, offset, len, eof, data); + ret = DRM(_histo_info)(buf, start, offset, request, eof, data); up(&dev->struct_sem); return ret; } diff --git a/linux-core/drm_stub.c b/linux-core/drm_stub.c new file mode 100644 index 00000000..bc958796 --- /dev/null +++ b/linux-core/drm_stub.c @@ -0,0 +1,152 @@ +/* drm_stub.h -- -*- linux-c -*- + * Created: Fri Jan 19 10:48:35 2001 by faith@acm.org + * + * Copyright 2001 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * + */ + +#define __NO_VERSION__ +#include "drmP.h" + +#if LINUX_VERSION_CODE < 0x020400 +#include "stubsupport-pre24.h" +#endif + +#define DRM_STUB_MAXCARDS 16 /* Enough for one machine */ + +static struct drm_stub_list { + const char *name; + struct file_operations *fops; + struct proc_dir_entry *dev_root; +} *DRM(stub_list); + +static struct proc_dir_entry *DRM(stub_root); + +static struct drm_stub_info { + int (*info_register)(const char *name, struct file_operations *fops, + drm_device_t *dev); + int (*info_unregister)(int minor); +} DRM(stub_info); + +static int DRM(stub_open)(struct inode *inode, struct file *filp) +{ + int minor = MINOR(inode->i_rdev); + int err = -ENODEV; + struct file_operations *old_fops; + + if (!DRM(stub_list) || !DRM(stub_list)[minor].fops) return -ENODEV; + old_fops = filp->f_op; + filp->f_op = fops_get(DRM(stub_list)[minor].fops); + if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) { + fops_put(filp->f_op); + filp->f_op = fops_get(old_fops); + } + fops_put(old_fops); + + return err; +} + +static struct file_operations DRM(stub_fops) = { +#if LINUX_VERSION_CODE >= 0x020400 + owner: THIS_MODULE, +#endif + open: DRM(stub_open) +}; + +static int DRM(stub_getminor)(const char *name, struct file_operations *fops, + drm_device_t *dev) +{ + int i; + + if (!DRM(stub_list)) { + DRM(stub_list) = DRM(alloc)(sizeof(*DRM(stub_list)) + * DRM_STUB_MAXCARDS, DRM_MEM_STUB); + for (i = 0; i < DRM_STUB_MAXCARDS; i++) { + DRM(stub_list)[i].name = NULL; + DRM(stub_list)[i].fops = NULL; + } + } + for (i = 0; i < DRM_STUB_MAXCARDS; i++) { + if (!DRM(stub_list)[i].fops) { + DRM(stub_list)[i].name = name; + DRM(stub_list)[i].fops = fops; + DRM(stub_root) = DRM(proc_init)(dev, i, DRM(stub_root), + &DRM(stub_list)[i] + .dev_root); + return i; + } + } + return -1; +} + +static int DRM(stub_putminor)(int minor) +{ + if (minor < 0 || minor >= DRM_STUB_MAXCARDS) return -1; + DRM(stub_list)[minor].name = NULL; + DRM(stub_list)[minor].fops = NULL; + DRM(proc_cleanup)(minor, DRM(stub_root), + DRM(stub_list)[minor].dev_root); + if (minor) { + inter_module_put("drm"); + } else { + inter_module_unregister("drm"); + DRM(free)(DRM(stub_list), + sizeof(*DRM(stub_list)) * DRM_STUB_MAXCARDS, + DRM_MEM_STUB); + unregister_chrdev(DRM_MAJOR, "drm"); + } + return 0; +} + +int DRM(stub_register)(const char *name, struct file_operations *fops, + drm_device_t *dev) +{ + struct drm_stub_info *i = NULL; + + if (register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops))) + i = (struct drm_stub_info *)inter_module_get("drm"); + + if (i) { + /* Already registered */ + DRM(stub_info).info_register = i->info_register; + DRM(stub_info).info_unregister = i->info_unregister; + } else { + DRM(stub_info).info_register = DRM(stub_getminor); + DRM(stub_info).info_unregister = DRM(stub_putminor); + inter_module_register("drm", THIS_MODULE, &DRM(stub_info)); + } + if (DRM(stub_info).info_register) + return DRM(stub_info).info_register(name, fops, dev); + return -1; +} + +int DRM(stub_unregister)(int minor) +{ + DRM_DEBUG("%d\n", minor); + if (DRM(stub_info).info_unregister) + return DRM(stub_info).info_unregister(minor); + return -1; +} diff --git a/linux/vm.c b/linux-core/drm_vm.c index b713ba84..347816ac 100644 --- a/linux/vm.c +++ b/linux-core/drm_vm.c @@ -1,5 +1,5 @@ -/* vm.c -- Memory mapping for DRM -*- linux-c -*- - * Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com +/* drm_vm.h -- Memory mapping for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -19,72 +19,66 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" struct vm_operations_struct drm_vm_ops = { - nopage: drm_vm_nopage, - open: drm_vm_open, - close: drm_vm_close, + nopage: DRM(vm_nopage), + open: DRM(vm_open), + close: DRM(vm_close), }; struct vm_operations_struct drm_vm_shm_ops = { - nopage: drm_vm_shm_nopage, - open: drm_vm_open, - close: drm_vm_close, + nopage: DRM(vm_shm_nopage), + open: DRM(vm_open), + close: DRM(vm_close), }; struct vm_operations_struct drm_vm_shm_lock_ops = { - nopage: drm_vm_shm_nopage_lock, - open: drm_vm_open, - close: drm_vm_close, + nopage: DRM(vm_shm_nopage_lock), + open: DRM(vm_open), + close: DRM(vm_close), }; struct vm_operations_struct drm_vm_dma_ops = { - nopage: drm_vm_dma_nopage, - open: drm_vm_open, - close: drm_vm_close, -}; - -struct vm_operations_struct drm_vm_sg_ops = { - nopage: drm_vm_sg_nopage, - open: drm_vm_open, - close: drm_vm_close, + nopage: DRM(vm_dma_nopage), + open: DRM(vm_open), + close: DRM(vm_close), }; #if LINUX_VERSION_CODE < 0x020317 -unsigned long drm_vm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +unsigned long DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #else /* Return type changed in 2.3.23 */ -struct page *drm_vm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +struct page *DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #endif { return NOPAGE_SIGBUS; /* Disallow mremap */ } #if LINUX_VERSION_CODE < 0x020317 -unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #else /* Return type changed in 2.3.23 */ -struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #endif { #if LINUX_VERSION_CODE >= 0x020300 @@ -111,14 +105,14 @@ struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, } #if LINUX_VERSION_CODE < 0x020317 -unsigned long drm_vm_shm_nopage_lock(struct vm_area_struct *vma, - unsigned long address, - int write_access) +unsigned long DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #else /* Return type changed in 2.3.23 */ -struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma, - unsigned long address, - int write_access) +struct page *DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #endif { drm_file_t *priv = vma->vm_file->private_data; @@ -144,14 +138,14 @@ struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma, } #if LINUX_VERSION_CODE < 0x020317 -unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #else /* Return type changed in 2.3.23 */ -struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) +struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) #endif { drm_file_t *priv = vma->vm_file->private_data; @@ -178,49 +172,7 @@ struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, #endif } -#if LINUX_VERSION_CODE < 0x020317 -unsigned long drm_vm_sg_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) -#else - /* Return type changed in 2.3.23 */ -struct page *drm_vm_sg_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) -#endif -{ -#if LINUX_VERSION_CODE >= 0x020300 - drm_map_t *map = (drm_map_t *)vma->vm_private_data; -#else - drm_map_t *map = (drm_map_t *)vma->vm_pte; -#endif - drm_file_t *priv = vma->vm_file->private_data; - drm_device_t *dev = priv->dev; - drm_sg_mem_t *entry = dev->sg; - unsigned long offset; - unsigned long map_offset; - unsigned long page_offset; - struct page *page; - - if (!entry) return NOPAGE_SIGBUS; /* Error */ - if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ - if (!entry->pagelist) return NOPAGE_OOM ; /* Nothing allocated */ - - - offset = address - vma->vm_start; - map_offset = map->offset - dev->sg->handle; - page_offset = (offset >> PAGE_SHIFT) + (map_offset >> PAGE_SHIFT); - page = entry->pagelist[page_offset]; - atomic_inc(&page->count); /* Dec. by kernel */ - -#if LINUX_VERSION_CODE < 0x020317 - return (unsigned long)virt_to_phys(page->virtual); -#else - return page; -#endif -} - -void drm_vm_open(struct vm_area_struct *vma) +void DRM(vm_open)(struct vm_area_struct *vma) { drm_file_t *priv = vma->vm_file->private_data; drm_device_t *dev = priv->dev; @@ -238,7 +190,7 @@ void drm_vm_open(struct vm_area_struct *vma) #if DRM_DEBUG_CODE - vma_entry = drm_alloc(sizeof(*vma_entry), DRM_MEM_VMAS); + vma_entry = DRM(alloc)(sizeof(*vma_entry), DRM_MEM_VMAS); if (vma_entry) { down(&dev->struct_sem); vma_entry->vma = vma; @@ -250,7 +202,7 @@ void drm_vm_open(struct vm_area_struct *vma) #endif } -void drm_vm_close(struct vm_area_struct *vma) +void DRM(vm_close)(struct vm_area_struct *vma) { drm_file_t *priv = vma->vm_file->private_data; drm_device_t *dev = priv->dev; @@ -274,7 +226,7 @@ void drm_vm_close(struct vm_area_struct *vma) } else { dev->vmalist = pt->next; } - drm_free(pt, sizeof(*pt), DRM_MEM_VMAS); + DRM(free)(pt, sizeof(*pt), DRM_MEM_VMAS); break; } } @@ -282,7 +234,7 @@ void drm_vm_close(struct vm_area_struct *vma) #endif } -int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) +int DRM(mmap_dma)(struct file *filp, struct vm_area_struct *vma) { drm_file_t *priv = filp->private_data; drm_device_t *dev; @@ -311,11 +263,11 @@ int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) ++filp->f_count; #endif vma->vm_file = filp; /* Needed for drm_vm_open() */ - drm_vm_open(vma); + DRM(vm_open)(vma); return 0; } -int drm_mmap(struct file *filp, struct vm_area_struct *vma) +int DRM(mmap)(struct file *filp, struct vm_area_struct *vma) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; @@ -325,7 +277,7 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", vma->vm_start, vma->vm_end, VM_OFFSET(vma)); - if (!VM_OFFSET(vma)) return drm_mmap_dma(filp, vma); + if (!VM_OFFSET(vma)) return DRM(mmap_dma)(filp, vma); /* A sequential search of a linked list is fine here because: 1) there will only be @@ -369,13 +321,9 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT; } -#elif defined(__powerpc__) - pgprot_val(vma->vm_page_prot) |= - _PAGE_NO_CACHE | _PAGE_GUARDED; #elif defined(__ia64__) if (map->type != _DRM_AGP) - vma->vm_page_prot = - pgprot_writecombine(vma->vm_page_prot); + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); #endif vma->vm_flags |= VM_IO; /* not in core dump */ } @@ -406,15 +354,6 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) DRM_KERNEL advisory is supported. */ vma->vm_flags |= VM_LOCKED; break; - case _DRM_SCATTER_GATHER: - vma->vm_ops = &drm_vm_sg_ops; -#if LINUX_VERSION_CODE >= 0x020300 - vma->vm_private_data = (void *)map; -#else - vma->vm_pte = (unsigned long)map; -#endif - vma->vm_flags |= VM_LOCKED; - break; default: return -EINVAL; /* This should never happen. */ } @@ -426,6 +365,6 @@ int drm_mmap(struct file *filp, struct vm_area_struct *vma) ++filp->f_count; #endif vma->vm_file = filp; /* Needed for drm_vm_open() */ - drm_vm_open(vma); + DRM(vm_open)(vma); return 0; } diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c index aa824a79..e27406a6 100644 --- a/linux-core/i810_dma.c +++ b/linux-core/i810_dma.c @@ -11,11 +11,11 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL @@ -31,6 +31,7 @@ */ #define __NO_VERSION__ +#include "i810.h" #include "drmP.h" #include "i810_drv.h" #include <linux/interrupt.h> /* For task queue support */ @@ -47,17 +48,6 @@ #define I810_BUF_UNMAPPED 0 #define I810_BUF_MAPPED 1 -#define I810_REG(reg) 2 -#define I810_BASE(reg) ((unsigned long) \ - dev->maplist[I810_REG(reg)]->handle) -#define I810_ADDR(reg) (I810_BASE(reg) + reg) -#define I810_DEREF(reg) *(__volatile__ int *)I810_ADDR(reg) -#define I810_READ(reg) I810_DEREF(reg) -#define I810_WRITE(reg,val) do { I810_DEREF(reg) = val; } while (0) -#define I810_DEREF16(reg) *(__volatile__ u16 *)I810_ADDR(reg) -#define I810_READ16(reg) I810_DEREF16(reg) -#define I810_WRITE16(reg,val) do { I810_DEREF16(reg) = val; } while (0) - #define RING_LOCALS unsigned int outring, ringmask; volatile char *virt; #define BEGIN_LP_RING(n) do { \ @@ -107,14 +97,14 @@ static drm_buf_t *i810_freelist_get(drm_device_t *dev) drm_device_dma_t *dma = dev->dma; int i; int used; - + /* Linear search might not be the best solution */ for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[ i ]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; /* In use is already a pointer */ - used = cmpxchg(buf_priv->in_use, I810_BUF_FREE, + used = cmpxchg(buf_priv->in_use, I810_BUF_FREE, I810_BUF_CLIENT); if(used == I810_BUF_FREE) { return buf; @@ -131,26 +121,26 @@ static int i810_freelist_put(drm_device_t *dev, drm_buf_t *buf) { drm_i810_buf_priv_t *buf_priv = buf->dev_private; int used; - + /* In use is already a pointer */ used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE); if(used != I810_BUF_CLIENT) { DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); return -EINVAL; } - + return 0; } static struct file_operations i810_buffer_fops = { - open: i810_open, - flush: drm_flush, - release: i810_release, - ioctl: i810_ioctl, + open: DRM(open), + flush: DRM(flush), + release: DRM(release), + ioctl: DRM(ioctl), mmap: i810_mmap_buffers, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, + read: DRM(read), + fasync: DRM(fasync), + poll: DRM(poll), }; int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) @@ -166,10 +156,10 @@ int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) dev_priv = dev->dev_private; buf = dev_priv->mmap_buffer; buf_priv = buf->dev_private; - + vma->vm_flags |= (VM_IO | VM_DONTCOPY); vma->vm_file = filp; - + buf_priv->currently_mapped = I810_BUF_MAPPED; unlock_kernel(); @@ -196,9 +186,9 @@ static int i810_map_buffer(drm_buf_t *buf, struct file *filp) old_fops = filp->f_op; filp->f_op = &i810_buffer_fops; dev_priv->mmap_buffer = buf; - buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, + buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, PROT_READ|PROT_WRITE, - MAP_SHARED, + MAP_SHARED, buf->bus_address); dev_priv->mmap_buffer = NULL; filp->f_op = old_fops; @@ -222,15 +212,15 @@ static int i810_unmap_buffer(drm_buf_t *buf) int retcode = 0; if(VM_DONTCOPY != 0) { - if(buf_priv->currently_mapped != I810_BUF_MAPPED) + if(buf_priv->currently_mapped != I810_BUF_MAPPED) return -EINVAL; down(¤t->mm->mmap_sem); #if LINUX_VERSION_CODE < 0x020399 - retcode = do_munmap((unsigned long)buf_priv->virtual, + retcode = do_munmap((unsigned long)buf_priv->virtual, (size_t) buf->total); #else - retcode = do_munmap(current->mm, - (unsigned long)buf_priv->virtual, + retcode = do_munmap(current->mm, + (unsigned long)buf_priv->virtual, (size_t) buf->total); #endif up(¤t->mm->mmap_sem); @@ -241,7 +231,7 @@ static int i810_unmap_buffer(drm_buf_t *buf) return retcode; } -static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, +static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, struct file *filp) { drm_file_t *priv = filp->private_data; @@ -255,7 +245,7 @@ static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, DRM_DEBUG("retcode=%d\n", retcode); return retcode; } - + retcode = i810_map_buffer(buf, filp); if(retcode) { i810_freelist_put(dev, buf); @@ -263,7 +253,7 @@ static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, return retcode; } buf->pid = priv->pid; - buf_priv = buf->dev_private; + buf_priv = buf->dev_private; d->granted = 1; d->request_idx = buf->idx; d->request_size = buf->total; @@ -275,22 +265,22 @@ static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, static unsigned long i810_alloc_page(drm_device_t *dev) { unsigned long address; - + address = __get_free_page(GFP_KERNEL); - if(address == 0UL) + if(address == 0UL) return 0; - + atomic_inc(&virt_to_page(address)->count); set_bit(PG_locked, &virt_to_page(address)->flags); - + return address; } static void i810_free_page(drm_device_t *dev, unsigned long page) { - if(page == 0UL) + if(page == 0UL) return; - + atomic_dec(&virt_to_page(page)->count); clear_bit(PG_locked, &virt_to_page(page)->flags); wake_up(&virt_to_page(page)->wait); @@ -304,26 +294,26 @@ static int i810_dma_cleanup(drm_device_t *dev) if(dev->dev_private) { int i; - drm_i810_private_t *dev_priv = + drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - + if(dev_priv->ring.virtual_start) { - drm_ioremapfree((void *) dev_priv->ring.virtual_start, - dev_priv->ring.Size); + DRM(ioremapfree)((void *) dev_priv->ring.virtual_start, + dev_priv->ring.Size); } if(dev_priv->hw_status_page != 0UL) { i810_free_page(dev, dev_priv->hw_status_page); /* Need to rewrite hardware status page */ I810_WRITE(0x02080, 0x1ffff000); } - drm_free(dev->dev_private, sizeof(drm_i810_private_t), + DRM(free)(dev->dev_private, sizeof(drm_i810_private_t), DRM_MEM_DRIVER); dev->dev_private = NULL; for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[ i ]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - drm_ioremapfree(buf_priv->kernel_virtual, buf->total); + DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total); } } return 0; @@ -340,14 +330,14 @@ static int i810_wait_ring(drm_device_t *dev, int n) end = jiffies + (HZ*3); while (ring->space < n) { int i; - + ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; ring->space = ring->head - (ring->tail+8); if (ring->space < 0) ring->space += ring->Size; - + if (ring->head != last_head) end = jiffies + (HZ*3); - + iters++; if((signed)(end - jiffies) <= 0) { DRM_ERROR("space: %d wanted %d\n", ring->space, n); @@ -358,7 +348,7 @@ static int i810_wait_ring(drm_device_t *dev, int n) for (i = 0 ; i < 2000 ; i++) ; } -out_wait_ring: +out_wait_ring: return iters; } @@ -366,7 +356,7 @@ static void i810_kernel_lost_context(drm_device_t *dev) { drm_i810_private_t *dev_priv = dev->dev_private; drm_i810_ring_buffer_t *ring = &(dev_priv->ring); - + ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; ring->tail = I810_READ(LP_RING + RING_TAIL); ring->space = ring->head - (ring->tail+8); @@ -380,7 +370,7 @@ static int i810_freelist_init(drm_device_t *dev) int my_idx = 24; u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx); int i; - + if(dma->buf_count > 1019) { /* Not enough space in the status page for the freelist */ return -EINVAL; @@ -389,20 +379,20 @@ static int i810_freelist_init(drm_device_t *dev) for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[ i ]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - + buf_priv->in_use = hw_status++; buf_priv->my_use_idx = my_idx; my_idx += 4; *buf_priv->in_use = I810_BUF_FREE; - buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, - buf->total); + buf_priv->kernel_virtual = DRM(ioremap)(buf->bus_address, + buf->total); } return 0; } -static int i810_dma_initialize(drm_device_t *dev, +static int i810_dma_initialize(drm_device_t *dev, drm_i810_private_t *dev_priv, drm_i810_init_t *init) { @@ -417,27 +407,27 @@ static int i810_dma_initialize(drm_device_t *dev, DRM_ERROR("ring_map or buffer_map are invalid\n"); return -EINVAL; } - + dev_priv->ring_map_idx = init->ring_map_idx; dev_priv->buffer_map_idx = init->buffer_map_idx; sarea_map = dev->maplist[0]; - dev_priv->sarea_priv = (drm_i810_sarea_t *) - ((u8 *)sarea_map->handle + + dev_priv->sarea_priv = (drm_i810_sarea_t *) + ((u8 *)sarea_map->handle + init->sarea_priv_offset); atomic_set(&dev_priv->flush_done, 0); init_waitqueue_head(&dev_priv->flush_queue); - + dev_priv->ring.Start = init->ring_start; dev_priv->ring.End = init->ring_end; dev_priv->ring.Size = init->ring_size; - dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + - init->ring_start, - init->ring_size); + dev_priv->ring.virtual_start = DRM(ioremap)(dev->agp->base + + init->ring_start, + init->ring_size); dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; - + if (dev_priv->ring.virtual_start == NULL) { i810_dma_cleanup(dev); DRM_ERROR("can not ioremap virtual address for" @@ -454,8 +444,8 @@ static int i810_dma_initialize(drm_device_t *dev, dev_priv->front_di1 = init->front_offset | init->pitch_bits; dev_priv->back_di1 = init->back_offset | init->pitch_bits; dev_priv->zi1 = init->depth_offset | init->pitch_bits; - - + + /* Program Hardware Status Page */ dev_priv->hw_status_page = i810_alloc_page(dev); memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE); @@ -465,10 +455,10 @@ static int i810_dma_initialize(drm_device_t *dev, return -ENOMEM; } DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page); - + I810_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page)); DRM_DEBUG("Enabled hardware status page\n"); - + /* Now we need to init our freelist */ if(i810_freelist_init(dev) != 0) { i810_dma_cleanup(dev); @@ -487,13 +477,13 @@ int i810_dma_init(struct inode *inode, struct file *filp, drm_i810_private_t *dev_priv; drm_i810_init_t init; int retcode = 0; - + if (copy_from_user(&init, (drm_i810_init_t *)arg, sizeof(init))) return -EFAULT; - + switch(init.func) { case I810_INIT_DMA: - dev_priv = drm_alloc(sizeof(drm_i810_private_t), + dev_priv = DRM(alloc)(sizeof(drm_i810_private_t), DRM_MEM_DRIVER); if(dev_priv == NULL) return -ENOMEM; retcode = i810_dma_initialize(dev, dev_priv, &init); @@ -505,7 +495,7 @@ int i810_dma_init(struct inode *inode, struct file *filp, retcode = -EINVAL; break; } - + return retcode; } @@ -517,9 +507,9 @@ int i810_dma_init(struct inode *inode, struct file *filp, * Use 'volatile' & local var tmp to force the emitted values to be * identical to the verified ones. */ -static void i810EmitContextVerified( drm_device_t *dev, - volatile unsigned int *code ) -{ +static void i810EmitContextVerified( drm_device_t *dev, + volatile unsigned int *code ) +{ drm_i810_private_t *dev_priv = dev->dev_private; int i, j = 0; unsigned int tmp; @@ -537,22 +527,22 @@ static void i810EmitContextVerified( drm_device_t *dev, tmp = code[i]; if ((tmp & (7<<29)) == (3<<29) && - (tmp & (0x1f<<24)) < (0x1d<<24)) + (tmp & (0x1f<<24)) < (0x1d<<24)) { - OUT_RING( tmp ); + OUT_RING( tmp ); j++; - } + } } - if (j & 1) - OUT_RING( 0 ); + if (j & 1) + OUT_RING( 0 ); ADVANCE_LP_RING(); } -static void i810EmitTexVerified( drm_device_t *dev, - volatile unsigned int *code ) -{ +static void i810EmitTexVerified( drm_device_t *dev, + volatile unsigned int *code ) +{ drm_i810_private_t *dev_priv = dev->dev_private; int i, j = 0; unsigned int tmp; @@ -569,15 +559,15 @@ static void i810EmitTexVerified( drm_device_t *dev, tmp = code[i]; if ((tmp & (7<<29)) == (3<<29) && - (tmp & (0x1f<<24)) < (0x1d<<24)) + (tmp & (0x1f<<24)) < (0x1d<<24)) { - OUT_RING( tmp ); + OUT_RING( tmp ); j++; } - } - - if (j & 1) - OUT_RING( 0 ); + } + + if (j & 1) + OUT_RING( 0 ); ADVANCE_LP_RING(); } @@ -585,9 +575,9 @@ static void i810EmitTexVerified( drm_device_t *dev, /* Need to do some additional checking when setting the dest buffer. */ -static void i810EmitDestVerified( drm_device_t *dev, - volatile unsigned int *code ) -{ +static void i810EmitDestVerified( drm_device_t *dev, + volatile unsigned int *code ) +{ drm_i810_private_t *dev_priv = dev->dev_private; unsigned int tmp; RING_LOCALS; @@ -651,9 +641,9 @@ static void i810EmitState( drm_device_t *dev ) -/* need to verify +/* need to verify */ -static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, +static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, unsigned int clear_color, unsigned int clear_zval ) { @@ -684,10 +674,10 @@ static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, pbox->y2 > dev_priv->h) continue; - if ( flags & I810_FRONT ) { + if ( flags & I810_FRONT ) { DRM_DEBUG("clear front\n"); - BEGIN_LP_RING( 6 ); - OUT_RING( BR00_BITBLT_CLIENT | + BEGIN_LP_RING( 6 ); + OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3 ); OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); OUT_RING( (height << 16) | width ); @@ -699,8 +689,8 @@ static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, if ( flags & I810_BACK ) { DRM_DEBUG("clear back\n"); - BEGIN_LP_RING( 6 ); - OUT_RING( BR00_BITBLT_CLIENT | + BEGIN_LP_RING( 6 ); + OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3 ); OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); OUT_RING( (height << 16) | width ); @@ -712,8 +702,8 @@ static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, if ( flags & I810_DEPTH ) { DRM_DEBUG("clear depth\n"); - BEGIN_LP_RING( 6 ); - OUT_RING( BR00_BITBLT_CLIENT | + BEGIN_LP_RING( 6 ); + OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3 ); OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); OUT_RING( (height << 16) | width ); @@ -744,7 +734,7 @@ static void i810_dma_dispatch_swap( drm_device_t *dev ) if (nbox > I810_NR_SAREA_CLIPRECTS) nbox = I810_NR_SAREA_CLIPRECTS; - for (i = 0 ; i < nbox; i++, pbox++) + for (i = 0 ; i < nbox; i++, pbox++) { unsigned int w = pbox->x2 - pbox->x1; unsigned int h = pbox->y2 - pbox->y1; @@ -756,7 +746,7 @@ static void i810_dma_dispatch_swap( drm_device_t *dev ) pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h) continue; - + DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n", pbox[i].x1, pbox[i].y1, pbox[i].x2, pbox[i].y2); @@ -766,14 +756,14 @@ static void i810_dma_dispatch_swap( drm_device_t *dev ) OUT_RING( pitch | (0xCC << 16)); OUT_RING( (h << 16) | (w * cpp)); OUT_RING( dst ); - OUT_RING( pitch ); + OUT_RING( pitch ); OUT_RING( start ); ADVANCE_LP_RING(); } } -static void i810_dma_dispatch_vertex(drm_device_t *dev, +static void i810_dma_dispatch_vertex(drm_device_t *dev, drm_buf_t *buf, int discard, int used) @@ -784,30 +774,30 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev, drm_clip_rect_t *box = sarea_priv->boxes; int nbox = sarea_priv->nbox; unsigned long address = (unsigned long)buf->bus_address; - unsigned long start = address - dev->agp->base; + unsigned long start = address - dev->agp->base; int i = 0, u; RING_LOCALS; i810_kernel_lost_context(dev); - if (nbox > I810_NR_SAREA_CLIPRECTS) + if (nbox > I810_NR_SAREA_CLIPRECTS) nbox = I810_NR_SAREA_CLIPRECTS; if (discard) { - u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, + u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_HARDWARE); if(u != I810_BUF_CLIENT) { DRM_DEBUG("xxxx 2\n"); } } - if (used > 4*1024) + if (used > 4*1024) used = 0; if (sarea_priv->dirty) i810EmitState( dev ); - DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", + DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", address, used, nbox); dev_priv->counter++; @@ -821,7 +811,7 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev, *(u32 *)buf_priv->virtual = (GFX_OP_PRIMITIVE | sarea_priv->vertex_prim | ((used/4)-2)); - + if (used & 4) { *(u32 *)((u32)buf_priv->virtual + used) = 0; used += 4; @@ -829,26 +819,26 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev, i810_unmap_buffer(buf); } - + if (used) { do { if (i < nbox) { BEGIN_LP_RING(4); - OUT_RING( GFX_OP_SCISSOR | SC_UPDATE_SCISSOR | + OUT_RING( GFX_OP_SCISSOR | SC_UPDATE_SCISSOR | SC_ENABLE ); OUT_RING( GFX_OP_SCISSOR_INFO ); OUT_RING( box[i].x1 | (box[i].y1<<16) ); OUT_RING( (box[i].x2-1) | ((box[i].y2-1)<<16) ); ADVANCE_LP_RING(); } - + BEGIN_LP_RING(4); OUT_RING( CMD_OP_BATCH_BUFFER ); OUT_RING( start | BB1_PROTECTED ); OUT_RING( start + used - 4 ); OUT_RING( 0 ); ADVANCE_LP_RING(); - + } while (++i < nbox); } @@ -872,24 +862,24 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev, /* Interrupts are only for flushing */ -static void i810_dma_service(int irq, void *device, struct pt_regs *regs) +void i810_dma_service(int irq, void *device, struct pt_regs *regs) { drm_device_t *dev = (drm_device_t *)device; u16 temp; - - atomic_inc(&dev->total_irq); + + atomic_inc(&dev->counts[_DRM_STAT_IRQ]); temp = I810_READ16(I810REG_INT_IDENTITY_R); temp = temp & ~(0x6000); - if(temp != 0) I810_WRITE16(I810REG_INT_IDENTITY_R, + if(temp != 0) I810_WRITE16(I810REG_INT_IDENTITY_R, temp); /* Clear all interrupts */ else return; - + queue_task(&dev->tq, &tq_immediate); mark_bh(IMMEDIATE_BH); } -static void i810_dma_task_queue(void *device) +void i810_dma_immediate_bh(void *device) { drm_device_t *dev = (drm_device_t *) device; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; @@ -898,129 +888,6 @@ static void i810_dma_task_queue(void *device) wake_up_interruptible(&dev_priv->flush_queue); } -int i810_irq_install(drm_device_t *dev, int irq) -{ - int retcode; - u16 temp; - - if (!irq) return -EINVAL; - - down(&dev->struct_sem); - if (dev->irq) { - up(&dev->struct_sem); - return -EBUSY; - } - dev->irq = irq; - up(&dev->struct_sem); - - DRM_DEBUG( "Interrupt Install : %d\n", irq); - DRM_DEBUG("%d\n", irq); - - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - - dev->dma->next_buffer = NULL; - dev->dma->next_queue = NULL; - dev->dma->this_buffer = NULL; - - INIT_LIST_HEAD(&dev->tq.list); - dev->tq.sync = 0; - dev->tq.routine = i810_dma_task_queue; - dev->tq.data = dev; - - /* Before installing handler */ - temp = I810_READ16(I810REG_HWSTAM); - temp = temp & 0x6000; - I810_WRITE16(I810REG_HWSTAM, temp); - - temp = I810_READ16(I810REG_INT_MASK_R); - temp = temp & 0x6000; - I810_WRITE16(I810REG_INT_MASK_R, temp); /* Unmask interrupts */ - temp = I810_READ16(I810REG_INT_ENABLE_R); - temp = temp & 0x6000; - I810_WRITE16(I810REG_INT_ENABLE_R, temp); /* Disable all interrupts */ - - /* Install handler */ - if ((retcode = request_irq(dev->irq, - i810_dma_service, - SA_SHIRQ, - dev->devname, - dev))) { - down(&dev->struct_sem); - dev->irq = 0; - up(&dev->struct_sem); - return retcode; - } - temp = I810_READ16(I810REG_INT_ENABLE_R); - temp = temp & 0x6000; - temp = temp | 0x0003; - I810_WRITE16(I810REG_INT_ENABLE_R, - temp); /* Enable bp & user interrupts */ - return 0; -} - -int i810_irq_uninstall(drm_device_t *dev) -{ - int irq; - u16 temp; - - -/* return 0; */ - - down(&dev->struct_sem); - irq = dev->irq; - dev->irq = 0; - up(&dev->struct_sem); - - if (!irq) return -EINVAL; - - DRM_DEBUG( "Interrupt UnInstall: %d\n", irq); - DRM_DEBUG("%d\n", irq); - - temp = I810_READ16(I810REG_INT_IDENTITY_R); - temp = temp & ~(0x6000); - if(temp != 0) I810_WRITE16(I810REG_INT_IDENTITY_R, - temp); /* Clear all interrupts */ - - temp = I810_READ16(I810REG_INT_ENABLE_R); - temp = temp & 0x6000; - I810_WRITE16(I810REG_INT_ENABLE_R, - temp); /* Disable all interrupts */ - - free_irq(irq, dev); - - return 0; -} - -int i810_control(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_control_t ctl; - int retcode; - - DRM_DEBUG( "i810_control\n"); - - if (copy_from_user(&ctl, (drm_control_t *)arg, sizeof(ctl))) - return -EFAULT; - - switch (ctl.func) { - case DRM_INST_HANDLER: - if ((retcode = i810_irq_install(dev, ctl.irq))) - return retcode; - break; - case DRM_UNINST_HANDLER: - if ((retcode = i810_irq_uninstall(dev))) - return retcode; - break; - default: - return -EINVAL; - } - return 0; -} - static inline void i810_dma_emit_flush(drm_device_t *dev) { drm_i810_private_t *dev_priv = dev->dev_private; @@ -1057,11 +924,11 @@ static inline void i810_dma_quiescent_emit(drm_device_t *dev) /* wake_up_interruptible(&dev_priv->flush_queue); */ } -static void i810_dma_quiescent(drm_device_t *dev) +void i810_dma_quiescent(drm_device_t *dev) { DECLARE_WAITQUEUE(entry, current); drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; - unsigned long end; + unsigned long end; if(dev_priv == NULL) { return; @@ -1069,7 +936,7 @@ static void i810_dma_quiescent(drm_device_t *dev) atomic_set(&dev_priv->flush_done, 0); add_wait_queue(&dev_priv->flush_queue, &entry); end = jiffies + (HZ*3); - + for (;;) { current->state = TASK_INTERRUPTIBLE; i810_dma_quiescent_emit(dev); @@ -1077,16 +944,16 @@ static void i810_dma_quiescent(drm_device_t *dev) if((signed)(end - jiffies) <= 0) { DRM_ERROR("lockup\n"); break; - } + } schedule_timeout(HZ*3); if (signal_pending(current)) { break; } } - + current->state = TASK_RUNNING; remove_wait_queue(&dev_priv->flush_queue, &entry); - + return; } @@ -1096,7 +963,7 @@ static int i810_flush_queue(drm_device_t *dev) drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; drm_device_dma_t *dma = dev->dma; unsigned long end; - int i, ret = 0; + int i, ret = 0; if(dev_priv == NULL) { return 0; @@ -1111,14 +978,14 @@ static int i810_flush_queue(drm_device_t *dev) if((signed)(end - jiffies) <= 0) { DRM_ERROR("lockup\n"); break; - } + } schedule_timeout(HZ*3); if (signal_pending(current)) { ret = -EINTR; /* Can't restart */ break; } } - + current->state = TASK_RUNNING; remove_wait_queue(&dev_priv->flush_queue, &entry); @@ -1126,8 +993,8 @@ static int i810_flush_queue(drm_device_t *dev) for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[ i ]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - - int used = cmpxchg(buf_priv->in_use, I810_BUF_HARDWARE, + + int used = cmpxchg(buf_priv->in_use, I810_BUF_HARDWARE, I810_BUF_FREE); if (used == I810_BUF_HARDWARE) @@ -1154,9 +1021,9 @@ void i810_reclaim_buffers(drm_device_t *dev, pid_t pid) for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[ i ]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - + if (buf->pid == pid && buf_priv) { - int used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, + int used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE); if (used == I810_BUF_CLIENT) @@ -1167,91 +1034,12 @@ void i810_reclaim_buffers(drm_device_t *dev, pid_t pid) } } -int i810_lock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - - DECLARE_WAITQUEUE(entry, current); - int ret = 0; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", - lock.context, current->pid, dev->lock.hw_lock->lock, - lock.flags); - - if (lock.context < 0) { - return -EINVAL; - } - /* Only one queue: - */ - - if (!ret) { - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - ret = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - lock.context)) { - dev->lock.pid = current->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - - /* Contention */ - atomic_inc(&dev->total_sleeps); - DRM_DEBUG("Calling lock schedule\n"); - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - } - - if (!ret) { - sigemptyset(&dev->sigmask); - sigaddset(&dev->sigmask, SIGSTOP); - sigaddset(&dev->sigmask, SIGTSTP); - sigaddset(&dev->sigmask, SIGTTIN); - sigaddset(&dev->sigmask, SIGTTOU); - dev->sigdata.context = lock.context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); - - if (lock.flags & _DRM_LOCK_QUIESCENT) { - DRM_DEBUG("_DRM_LOCK_QUIESCENT\n"); - DRM_DEBUG("fred\n"); - i810_dma_quiescent(dev); - } - } - DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); - return ret; -} - -int i810_flush_ioctl(struct inode *inode, struct file *filp, +int i810_flush_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - + DRM_DEBUG("i810_flush_ioctl\n"); if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { DRM_ERROR("i810_flush_ioctl called without lock held\n"); @@ -1271,8 +1059,8 @@ int i810_dma_vertex(struct inode *inode, struct file *filp, drm_device_dma_t *dma = dev->dma; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; u32 *hw_status = (u32 *)dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; drm_i810_vertex_t vertex; if (copy_from_user(&vertex, (drm_i810_vertex_t *)arg, sizeof(vertex))) @@ -1286,15 +1074,15 @@ int i810_dma_vertex(struct inode *inode, struct file *filp, DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n", vertex.idx, vertex.used, vertex.discard); - i810_dma_dispatch_vertex( dev, - dma->buflist[ vertex.idx ], + i810_dma_dispatch_vertex( dev, + dma->buflist[ vertex.idx ], vertex.discard, vertex.used ); - atomic_add(vertex.used, &dma->total_bytes); - atomic_inc(&dma->total_dmas); + atomic_add(vertex.used, &dev->counts[_DRM_STAT_SECONDARY]); + atomic_inc(&dev->counts[_DRM_STAT_DMA]); sarea_priv->last_enqueue = dev_priv->counter-1; sarea_priv->last_dispatch = (int) hw_status[5]; - + return 0; } @@ -1309,14 +1097,14 @@ int i810_clear_bufs(struct inode *inode, struct file *filp, if (copy_from_user(&clear, (drm_i810_clear_t *)arg, sizeof(clear))) return -EFAULT; - + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { DRM_ERROR("i810_clear_bufs called without lock held\n"); return -EINVAL; } - i810_dma_dispatch_clear( dev, clear.flags, - clear.clear_color, + i810_dma_dispatch_clear( dev, clear.flags, + clear.clear_color, clear.clear_depth ); return 0; } @@ -1326,7 +1114,7 @@ int i810_swap_bufs(struct inode *inode, struct file *filp, { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - + DRM_DEBUG("i810_swap_bufs\n"); if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { @@ -1345,8 +1133,8 @@ int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, drm_device_t *dev = priv->dev; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; u32 *hw_status = (u32 *)dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; sarea_priv->last_dispatch = (int) hw_status[5]; return 0; @@ -1361,18 +1149,18 @@ int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, drm_i810_dma_t d; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; u32 *hw_status = (u32 *)dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; DRM_DEBUG("getbuf\n"); if (copy_from_user(&d, (drm_i810_dma_t *)arg, sizeof(d))) return -EFAULT; - + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { DRM_ERROR("i810_dma called without lock held\n"); return -EINVAL; } - + d.granted = 0; retcode = i810_dma_get_buffer(dev, &d, filp); @@ -1395,8 +1183,8 @@ int i810_copybuf(struct inode *inode, struct file *filp, unsigned int cmd, drm_i810_copy_t d; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; u32 *hw_status = (u32 *)dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; drm_buf_t *buf; drm_i810_buf_priv_t *buf_priv; drm_device_dma_t *dma = dev->dma; @@ -1405,7 +1193,7 @@ int i810_copybuf(struct inode *inode, struct file *filp, unsigned int cmd, DRM_ERROR("i810_dma called without lock held\n"); return -EINVAL; } - + if (copy_from_user(&d, (drm_i810_copy_t *)arg, sizeof(d))) return -EFAULT; diff --git a/linux-core/i810_drv.c b/linux-core/i810_drv.c index 7152eac3..12a59dbf 100644 --- a/linux-core/i810_drv.c +++ b/linux-core/i810_drv.c @@ -19,630 +19,64 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Jeff Hartmann <jhartmann@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "i810.h" #include "drmP.h" #include "i810_drv.h" -#define I810_NAME "i810" -#define I810_DESC "Intel I810" -#define I810_DATE "20000928" -#define I810_MAJOR 1 -#define I810_MINOR 1 -#define I810_PATCHLEVEL 0 - -static drm_device_t i810_device; -drm_ctx_t i810_res_ctx; - -static struct file_operations i810_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: i810_open, - flush: drm_flush, - release: i810_release, - ioctl: i810_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice i810_misc = { - minor: MISC_DYNAMIC_MINOR, - name: I810_NAME, - fops: &i810_fops, -}; - -static drm_ioctl_desc_t i810_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { i810_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { i810_control, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { i810_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { i810_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { i810_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { i810_freebufs, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { i810_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { i810_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { i810_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { i810_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { i810_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { i810_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { i810_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { i810_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { i810_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_I810_INIT)] = { i810_dma_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_VERTEX)] = { i810_dma_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_CLEAR)] = { i810_clear_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_FLUSH)] = { i810_flush_ioctl,1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_GETAGE)] = { i810_getage, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_GETBUF)] = { i810_getbuf, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_SWAP)] = { i810_swap_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_COPY)] = { i810_copybuf, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy, 1, 0 }, -}; - -#define I810_IOCTL_COUNT DRM_ARRAY_SIZE(i810_ioctls) - -#ifdef MODULE -static char *i810 = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("Intel I810"); -MODULE_PARM(i810, "s"); - -#ifndef MODULE -/* i810_options is called by the kernel to parse command-line options - * passed via the boot-loader (e.g., LILO). It calls the insmod option - * routine, drm_parse_drm. - */ - -static int __init i810_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("i810=", i810_options); -#endif - -static int i810_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - drm_dma_setup(dev); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); -#if DRM_DMA_HISTO - memset(&dev->histo, 0, sizeof(dev->histo)); -#endif - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - DRM_DEBUG("\n"); - - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ - - return 0; -} - - -static int i810_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - if (dev->irq) i810_irq_uninstall(dev); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until r128_cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; - if (entry->bound) drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) _drm_agp_release(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } -#endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - - if (dev->queuelist) { - for (i = 0; i < dev->queue_count; i++) { - drm_waitlist_destroy(&dev->queuelist[i]->waitlist); - if (dev->queuelist[i]) { - drm_free(dev->queuelist[i], - sizeof(*dev->queuelist[0]), - DRM_MEM_QUEUES); - dev->queuelist[i] = NULL; - } - } - drm_free(dev->queuelist, - dev->queue_slots * sizeof(*dev->queuelist), - DRM_MEM_QUEUES); - dev->queuelist = NULL; - } - - drm_dma_takedown(dev); - - dev->queue_count = 0; - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* i810_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init i810_init(void) -{ - int retcode; - drm_device_t *dev = &i810_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(i810); -#endif - DRM_DEBUG("doing misc_register\n"); - if ((retcode = misc_register(&i810_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", I810_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, i810_misc.minor); - dev->name = I810_NAME; - - DRM_DEBUG("doing mem init\n"); - drm_mem_init(); - DRM_DEBUG("doing proc init\n"); - drm_proc_init(dev); - DRM_DEBUG("doing agp init\n"); - dev->agp = drm_agp_init(); - if(dev->agp == NULL) { - DRM_INFO("The i810 drm module requires the agpgart module" - " to function correctly\nPlease load the agpgart" - " module before you load the i810 module\n"); - drm_proc_cleanup(); - misc_deregister(&i810_misc); - i810_takedown(dev); - return -ENOMEM; - } - DRM_DEBUG("doing ctxbitmap init\n"); - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&i810_misc); - i810_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - I810_NAME, - I810_MAJOR, - I810_MINOR, - I810_PATCHLEVEL, - I810_DATE, - i810_misc.minor); - - return 0; -} - -/* i810_cleanup is called via cleanup_module at module unload time. */ - -static void __exit i810_cleanup(void) -{ - drm_device_t *dev = &i810_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&i810_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); - i810_takedown(dev); - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -} - -module_init(i810_init); -module_exit(i810_cleanup); - - -int i810_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } - - version.version_major = I810_MAJOR; - version.version_minor = I810_MINOR; - version.version_patchlevel = I810_PATCHLEVEL; - - DRM_COPY(version.name, I810_NAME); - DRM_COPY(version.date, I810_DATE); - DRM_COPY(version.desc, I810_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int i810_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &i810_device; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return i810_setup(dev); - } - spin_unlock(&dev->count_lock); - } - return retcode; -} - -int i810_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", - current->pid, dev->device, dev->open_count); - - if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) - && dev->lock.pid == current->pid) { - i810_reclaim_buffers(dev, priv->pid); - DRM_ERROR("Process %d dead, freeing lock for context %d\n", - current->pid, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - drm_lock_free(dev, - &dev->lock.hw_lock->lock, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - - /* FIXME: may require heavy-handed reset of - hardware at this point, possibly - processed via a callback to the X - server. */ - } else if (dev->lock.hw_lock) { - /* The lock is required to reclaim buffers */ - DECLARE_WAITQUEUE(entry, current); - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - retcode = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - dev->lock.pid = priv->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - retcode = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - if(!retcode) { - i810_reclaim_buffers(dev, priv->pid); - drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT); - } - } - drm_fasync(-1, filp, 0); - - down(&dev->struct_sem); - if (priv->prev) priv->prev->next = priv->next; - else dev->file_first = priv->next; - if (priv->next) priv->next->prev = priv->prev; - else dev->file_last = priv->prev; - up(&dev->struct_sem); - - drm_free(priv, sizeof(*priv), DRM_MEM_FILES); -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return i810_takedown(dev); - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return retcode; -} - -/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int i810_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, priv->authenticated); - - if (nr >= I810_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &i810_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function\n"); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int i810_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d frees lock (%d holds)\n", - lock.context, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - if (!dev->context_flag) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("\n"); - } - } -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.lhld[drm_histogram_slot(get_cycles() - - dev->lck_start)]); -#endif - - unblock_all_signals(); - return 0; -} +#define DRIVER_AUTHOR "VA Linux Systems Inc." + +#define DRIVER_NAME "i810" +#define DRIVER_DESC "Intel i810" +#define DRIVER_DATE "20010215" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 + +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_INIT)] = { i810_dma_init, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_VERTEX)] = { i810_dma_vertex, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_CLEAR)] = { i810_clear_bufs, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_FLUSH)] = { i810_flush_ioctl, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_GETAGE)] = { i810_getage, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_GETBUF)] = { i810_getbuf, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_SWAP)] = { i810_swap_bufs, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_COPY)] = { i810_copybuf, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy, 1, 0 }, + + +#define __HAVE_COUNTERS 4 +#define __HAVE_COUNTER6 _DRM_STAT_IRQ +#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY +#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY +#define __HAVE_COUNTER9 _DRM_STAT_DMA + + +#include "drm_agpsupport.h" +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lock.h" +#include "drm_lists.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux-core/i810_drv.h b/linux-core/i810_drv.h index 1c957401..43d44e02 100644 --- a/linux-core/i810_drv.h +++ b/linux-core/i810_drv.h @@ -11,11 +11,11 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL @@ -67,78 +67,33 @@ typedef struct drm_i810_private { wait_queue_head_t flush_queue; /* Processes waiting until flush */ drm_buf_t *mmap_buffer; - + u32 front_di1, back_di1, zi1; - + int back_offset; int depth_offset; int w, h; int pitch; } drm_i810_private_t; - /* i810_drv.c */ -extern int i810_version(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_open(struct inode *inode, struct file *filp); -extern int i810_release(struct inode *inode, struct file *filp); -extern int i810_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_unlock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - /* i810_dma.c */ extern int i810_dma_schedule(drm_device_t *dev, int locked); extern int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int i810_irq_install(drm_device_t *dev, int irq); -extern int i810_irq_uninstall(drm_device_t *dev); -extern int i810_control(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_lock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); extern int i810_dma_init(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int i810_flush_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern void i810_reclaim_buffers(drm_device_t *dev, pid_t pid); -extern int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg); -extern int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma); -extern int i810_copybuf(struct inode *inode, struct file *filp, +extern int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int i810_docopy(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - /* i810_bufs.c */ -extern int i810_addbufs(struct inode *inode, struct file *filp, +extern int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma); +extern int i810_copybuf(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int i810_infobufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_markbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_freebufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_addmap(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - /* i810_context.c */ -extern int i810_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_getctx(struct inode *inode, struct file *filp, +extern int i810_docopy(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int i810_switchctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_context_switch(drm_device_t *dev, int old, int new); -extern int i810_context_switch_complete(drm_device_t *dev, int new); +extern void i810_dma_quiescent(drm_device_t *dev); #define I810_VERBOSE 0 @@ -152,6 +107,19 @@ int i810_swap_bufs(struct inode *inode, struct file *filp, int i810_clear_bufs(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); + +#define I810_REG(reg) 2 +#define I810_BASE(reg) ((unsigned long) \ + dev->maplist[I810_REG(reg)]->handle) +#define I810_ADDR(reg) (I810_BASE(reg) + reg) +#define I810_DEREF(reg) *(__volatile__ int *)I810_ADDR(reg) +#define I810_READ(reg) I810_DEREF(reg) +#define I810_WRITE(reg,val) do { I810_DEREF(reg) = val; } while (0) +#define I810_DEREF16(reg) *(__volatile__ u16 *)I810_ADDR(reg) +#define I810_READ16(reg) I810_DEREF16(reg) +#define I810_WRITE16(reg,val) do { I810_DEREF16(reg) = val; } while (0) + + #define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23)) #define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23)) #define CMD_REPORT_HEAD (7<<23) @@ -184,7 +152,7 @@ int i810_clear_bufs(struct inode *inode, struct file *filp, #define RING_START 0x08 #define START_ADDR 0x00FFFFF8 #define RING_LEN 0x0C -#define RING_NR_PAGES 0x000FF000 +#define RING_NR_PAGES 0x000FF000 #define RING_REPORT_MASK 0x00000006 #define RING_REPORT_64K 0x00000002 #define RING_REPORT_128K 0x00000004 @@ -222,4 +190,3 @@ int i810_clear_bufs(struct inode *inode, struct file *filp, #endif - diff --git a/linux-core/mga_drv.c b/linux-core/mga_drv.c index d1c39e99..88fa53a6 100644 --- a/linux-core/mga_drv.c +++ b/linux-core/mga_drv.c @@ -1,4 +1,4 @@ -/* mga_drv.c -- Matrox g200/g400 driver -*- linux-c -*- +/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -19,648 +19,62 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "mga.h" #include "drmP.h" #include "mga_drv.h" -#define MGA_NAME "mga" -#define MGA_DESC "Matrox G200/G400" -#define MGA_DATE "20000928" -#define MGA_MAJOR 2 -#define MGA_MINOR 1 -#define MGA_PATCHLEVEL 1 - -static drm_device_t mga_device; -drm_ctx_t mga_res_ctx; - -static struct file_operations mga_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: mga_open, - flush: drm_flush, - release: mga_release, - ioctl: mga_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice mga_misc = { - minor: MISC_DYNAMIC_MINOR, - name: MGA_NAME, - fops: &mga_fops, -}; - -static drm_ioctl_desc_t mga_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { mga_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { mga_control, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { mga_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { mga_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { mga_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { mga_mapbufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { mga_freebufs, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { mga_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { mga_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { mga_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { mga_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { mga_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { mga_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { mga_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { mga_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { mga_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)] = { mga_dma_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_swap_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_clear_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_iload, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)] = { mga_flush_ioctl, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_indices, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_BLIT)] = { mga_blit, 1, 0 }, -}; - -#define MGA_IOCTL_COUNT DRM_ARRAY_SIZE(mga_ioctls) - -#ifdef MODULE -static char *mga = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("Matrox G200/G400"); -MODULE_PARM(mga, "s"); - -#ifndef MODULE -/* mga_options is called by the kernel to parse command-line options passed - * via the boot-loader (e.g., LILO). It calls the insmod option routine, - * drm_parse_drm. - */ - -static int __init mga_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("mga=", mga_options); -#endif - -static int mga_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - drm_dma_setup(dev); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); - - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - DRM_DEBUG("\n"); - - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ - - return 0; -} - - -static int mga_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - if (dev->dev_private) mga_dma_cleanup(dev); - if (dev->irq) mga_irq_uninstall(dev); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; - if (entry->bound) drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) _drm_agp_release(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } -#endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - - if (dev->queuelist) { - for (i = 0; i < dev->queue_count; i++) { - drm_waitlist_destroy(&dev->queuelist[i]->waitlist); - if (dev->queuelist[i]) { - drm_free(dev->queuelist[i], - sizeof(*dev->queuelist[0]), - DRM_MEM_QUEUES); - dev->queuelist[i] = NULL; - } - } - drm_free(dev->queuelist, - dev->queue_slots * sizeof(*dev->queuelist), - DRM_MEM_QUEUES); - dev->queuelist = NULL; - } - - drm_dma_takedown(dev); - - dev->queue_count = 0; - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* mga_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init mga_init(void) -{ - int retcode; - drm_device_t *dev = &mga_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(mga); -#endif - if ((retcode = misc_register(&mga_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", MGA_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, mga_misc.minor); - dev->name = MGA_NAME; - - drm_mem_init(); - drm_proc_init(dev); - dev->agp = drm_agp_init(); - if(dev->agp == NULL) { - DRM_INFO("The mga drm module requires the agpgart module" - " to function correctly\nPlease load the agpgart" - " module before you load the mga module\n"); - drm_proc_cleanup(); - misc_deregister(&mga_misc); - mga_takedown(dev); - return -ENOMEM; - } -#ifdef CONFIG_MTRR - dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size * 1024 * 1024, - MTRR_TYPE_WRCOMB, - 1); -#endif - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&mga_misc); - mga_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - MGA_NAME, - MGA_MAJOR, - MGA_MINOR, - MGA_PATCHLEVEL, - MGA_DATE, - mga_misc.minor); - - return 0; -} - -/* mga_cleanup is called via cleanup_module at module unload time. */ - -static void __exit mga_cleanup(void) -{ - drm_device_t *dev = &mga_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&mga_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); -#ifdef CONFIG_MTRR - if(dev->agp && dev->agp->agp_mtrr) { - int retval; - retval = mtrr_del(dev->agp->agp_mtrr, - dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size * 1024*1024); - DRM_DEBUG("mtrr_del = %d\n", retval); - } -#endif - - mga_takedown(dev); - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -} - -module_init(mga_init); -module_exit(mga_cleanup); - - -int mga_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } - - version.version_major = MGA_MAJOR; - version.version_minor = MGA_MINOR; - version.version_patchlevel = MGA_PATCHLEVEL; - - DRM_COPY(version.name, MGA_NAME); - DRM_COPY(version.date, MGA_DATE); - DRM_COPY(version.desc, MGA_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int mga_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &mga_device; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return mga_setup(dev); - } - spin_unlock(&dev->count_lock); - } - return retcode; -} - -int mga_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", - current->pid, dev->device, dev->open_count); - - if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) - && dev->lock.pid == current->pid) { - mga_reclaim_buffers(dev, priv->pid); - DRM_INFO("Process %d dead (ctx %d, d_s = 0x%02lx)\n", - current->pid, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock), - dev->dev_private ? - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status - : 0); - - if (dev->dev_private) - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status &= MGA_IN_DISPATCH; - - drm_lock_free(dev, - &dev->lock.hw_lock->lock, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - } else if (dev->lock.hw_lock) { - /* The lock is required to reclaim buffers */ - DECLARE_WAITQUEUE(entry, current); - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - retcode = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - dev->lock.pid = priv->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - retcode = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - if(!retcode) { - mga_reclaim_buffers(dev, priv->pid); - if (dev->dev_private) - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status &= MGA_IN_DISPATCH; - drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT); - } - } - drm_fasync(-1, filp, 0); - - down(&dev->struct_sem); - if (priv->remove_auth_on_close == 1) { - drm_file_t *temp = dev->file_first; - while(temp) { - temp->authenticated = 0; - temp = temp->next; - } - } - if (priv->prev) priv->prev->next = priv->next; - else dev->file_first = priv->next; - if (priv->next) priv->next->prev = priv->prev; - else dev->file_last = priv->prev; - up(&dev->struct_sem); - - drm_free(priv, sizeof(*priv), DRM_MEM_FILES); -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return mga_takedown(dev); - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return retcode; -} - - -/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int mga_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - if (nr >= MGA_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &mga_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function: pid = %d, cmd = 0x%02x," - " nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, - priv->authenticated); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int mga_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - mga_dma_schedule(dev, 1); - - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) DRM_ERROR("\n"); - - unblock_all_signals(); - return 0; -} +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "mga" +#define DRIVER_DESC "Matrox G200/G400" +#define DRIVER_DATE "20010216" + +#define DRIVER_MAJOR 3 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma_buffers, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)] = { mga_dma_init, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)] = { mga_dma_flush, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_RESET)] = { mga_dma_reset, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_dma_swap, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_dma_clear, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_dma_vertex, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_dma_indices, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_dma_iload, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_BLIT)] = { mga_dma_blit, 1, 0 }, + + +#define __HAVE_COUNTERS 3 +#define __HAVE_COUNTER6 _DRM_STAT_IRQ +#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY +#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY + + +#include "drm_agpsupport.h" +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux-core/r128_drv.c b/linux-core/r128_drv.c index 88a335a3..e42868ed 100644 --- a/linux-core/r128_drv.c +++ b/linux-core/r128_drv.c @@ -1,7 +1,7 @@ /* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*- * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * @@ -19,695 +19,72 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * Kevin E. Martin <martin@valinux.com> * Gareth Hughes <gareth@valinux.com> - * */ #include <linux/config.h> +#include "r128.h" #include "drmP.h" #include "r128_drv.h" -#define R128_NAME "r128" -#define R128_DESC "ATI Rage 128" -#define R128_DATE "20010130" -#define R128_MAJOR 2 -#define R128_MINOR 1 -#define R128_PATCHLEVEL 4 - -static drm_device_t r128_device; -drm_ctx_t r128_res_ctx; - -static struct file_operations r128_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: r128_open, - flush: drm_flush, - release: r128_release, - ioctl: r128_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice r128_misc = { - minor: MISC_DYNAMIC_MINOR, - name: R128_NAME, - fops: &r128_fops, -}; - -static drm_ioctl_desc_t r128_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { r128_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { r128_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { r128_mapbufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { r128_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { r128_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { r128_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { r128_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { r128_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { r128_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { r128_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { r128_cce_buffers, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { r128_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { r128_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, -#endif - [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_R128_INIT)] = { r128_cce_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_START)] = { r128_cce_start, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_STOP)] = { r128_cce_stop, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_RESET)] = { r128_cce_reset, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_IDLE)] = { r128_cce_idle, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_RESET)] = { r128_engine_reset, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_FULLSCREEN)]= { r128_fullscreen, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_R128_SWAP)] = { r128_cce_swap, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_CLEAR)] = { r128_cce_clear, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_VERTEX)] = { r128_cce_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_INDICES)] = { r128_cce_indices, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_BLIT)] = { r128_cce_blit, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_DEPTH)] = { r128_cce_depth, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_STIPPLE)] = { r128_cce_stipple, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_INDIRECT)] = { r128_cce_indirect, 1, 1 }, -}; -#define R128_IOCTL_COUNT DRM_ARRAY_SIZE(r128_ioctls) - -#ifdef MODULE -static char *r128 = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("r128"); -MODULE_PARM(r128, "s"); - -#ifndef MODULE -/* r128_options is called by the kernel to parse command-line options - * passed via the boot-loader (e.g., LILO). It calls the insmod option - * routine, drm_parse_drm. - */ - -static int __init r128_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("r128=", r128_options); -#endif - -static int r128_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - drm_dma_setup(dev); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); - - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - r128_res_ctx.handle=-1; - - DRM_DEBUG("\n"); +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "r128" +#define DRIVER_DESC "ATI Rage 128" +#define DRIVER_DATE "20010216" + +#define DRIVER_MAJOR 2 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 4 + +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { r128_cce_buffers, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_INIT)] = { r128_cce_init, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_START)] = { r128_cce_start, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_STOP)] = { r128_cce_stop, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_RESET)] = { r128_cce_reset, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_IDLE)] = { r128_cce_idle, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_RESET)] = { r128_engine_reset, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_FULLSCREEN)] = { r128_fullscreen, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_SWAP)] = { r128_cce_swap, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_CLEAR)] = { r128_cce_clear, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_VERTEX)] = { r128_cce_vertex, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_INDICES)] = { r128_cce_indices, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_BLIT)] = { r128_cce_blit, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_DEPTH)] = { r128_cce_depth, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_STIPPLE)] = { r128_cce_stipple, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_INDIRECT)] = { r128_cce_indirect, 1, 1 }, - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ - return 0; -} - - -static int r128_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until r128_cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; - if (entry->bound) drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) _drm_agp_release(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } -#endif - - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } -#endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - /* Do nothing here, because this is all - handled in the AGP/GART driver. */ - break; - case _DRM_SCATTER_GATHER: - if (dev->sg) { - drm_sg_cleanup(dev->sg); - dev->sg = NULL; - } - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - - drm_dma_takedown(dev); - - dev->queue_count = 0; - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* r128_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init r128_init(void) -{ - int retcode; - drm_device_t *dev = &r128_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(r128); -#endif - - if ((retcode = misc_register(&r128_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", R128_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, r128_misc.minor); - dev->name = R128_NAME; - - drm_mem_init(); - drm_proc_init(dev); - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - dev->agp = drm_agp_init(); - if (dev->agp == NULL) { - DRM_ERROR("Cannot initialize agpgart module.\n"); - drm_proc_cleanup(); - misc_deregister(&r128_misc); - r128_takedown(dev); - return -ENOMEM; - } - -#ifdef CONFIG_MTRR - dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size*1024*1024, - MTRR_TYPE_WRCOMB, - 1); -#endif -#endif - - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&r128_misc); - r128_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - R128_NAME, - R128_MAJOR, - R128_MINOR, - R128_PATCHLEVEL, - R128_DATE, - r128_misc.minor); - - return 0; -} - -/* r128_cleanup is called via cleanup_module at module unload time. */ - -static void __exit r128_cleanup(void) -{ - drm_device_t *dev = &r128_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&r128_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); - r128_takedown(dev); -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -#endif -} - -module_init(r128_init); -module_exit(r128_cleanup); - - -int r128_version(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } - - version.version_major = R128_MAJOR; - version.version_minor = R128_MINOR; - version.version_patchlevel = R128_PATCHLEVEL; - - DRM_COPY(version.name, R128_NAME); - DRM_COPY(version.date, R128_DATE); - DRM_COPY(version.desc, R128_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int r128_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &r128_device; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return r128_setup(dev); - } - spin_unlock(&dev->count_lock); - } - - return retcode; -} - -int r128_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - - /* Force the cleanup of page flipping when required */ - if ( dev->dev_private ) { - drm_r128_private_t *dev_priv = dev->dev_private; - if ( dev_priv->page_flipping ) { - r128_do_cleanup_pageflip( dev ); - } - } - - if (!(retcode = drm_release(inode, filp))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return r128_takedown(dev); - } - spin_unlock(&dev->count_lock); - } - - unlock_kernel(); - return retcode; -} - -/* r128_ioctl is called whenever a process performs an ioctl on /dev/drm. */ -int r128_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, priv->authenticated); - - if (nr >= R128_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &r128_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function\n"); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int r128_lock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - DECLARE_WAITQUEUE(entry, current); - int ret = 0; - drm_lock_t lock; -#if DRM_DMA_HISTOGRAM - cycles_t start; - - dev->lck_start = start = get_cycles(); -#endif - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", - lock.context, current->pid, dev->lock.hw_lock->lock, - lock.flags); - - if (lock.context < 0) - return -EINVAL; - - if (!ret) { - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - ret = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - lock.context)) { - dev->lock.pid = current->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - } - - if (!ret) { - sigemptyset(&dev->sigmask); - sigaddset(&dev->sigmask, SIGSTOP); - sigaddset(&dev->sigmask, SIGTSTP); - sigaddset(&dev->sigmask, SIGTTIN); - sigaddset(&dev->sigmask, SIGTTOU); - dev->sigdata.context = lock.context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); - if (lock.flags & _DRM_LOCK_READY) { - /* Wait for space in DMA/FIFO */ - } - if (lock.flags & _DRM_LOCK_QUIESCENT) { - /* Make hardware quiescent */ - DRM_DEBUG( "not quiescent!\n" ); #if 0 - r128_quiescent(dev); -#endif - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != r128_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY/4; - } -#endif - DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); - -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.lacq[drm_histogram_slot(get_cycles() - start)]); -#endif - - return ret; -} - - -int r128_unlock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d frees lock (%d holds)\n", - lock.context, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - /* FIXME: Try to send data to card here */ - if (!dev->context_flag) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("\n"); - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != r128_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY; - } -#endif - unblock_all_signals(); - return 0; -} +/* GH: Count data sent to card via ring or vertex/indirect buffers. + */ +#define __HAVE_COUNTERS 3 +#define __HAVE_COUNTER6 _DRM_STAT_IRQ +#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY +#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY +#endif + + +#include "drm_agpsupport.h" +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux-core/radeon_drv.c b/linux-core/radeon_drv.c index 7441880a..cf59f866 100644 --- a/linux-core/radeon_drv.c +++ b/linux-core/radeon_drv.c @@ -1,7 +1,7 @@ /* radeon_drv.c -- ATI Radeon driver -*- linux-c -*- + * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Fremont, California. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -18,693 +18,70 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Kevin E. Martin <martin@valinux.com> - * Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "radeon.h" #include "drmP.h" #include "radeon_drv.h" -#define RADEON_NAME "radeon" -#define RADEON_DESC "ATI Radeon" -#define RADEON_DATE "20010105" -#define RADEON_MAJOR 1 -#define RADEON_MINOR 0 -#define RADEON_PATCHLEVEL 0 - -static drm_device_t radeon_device; -drm_ctx_t radeon_res_ctx; - -static struct file_operations radeon_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: radeon_open, - flush: drm_flush, - release: radeon_release, - ioctl: radeon_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice radeon_misc = { - minor: MISC_DYNAMIC_MINOR, - name: RADEON_NAME, - fops: &radeon_fops, -}; - -static drm_ioctl_desc_t radeon_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { radeon_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { radeon_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { radeon_mapbufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { radeon_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { radeon_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { radeon_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { radeon_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { radeon_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { radeon_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { radeon_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { radeon_cp_buffers, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { radeon_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { radeon_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, -#endif - [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_INIT)] = { radeon_cp_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_START)] = { radeon_cp_start, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_STOP)] = { radeon_cp_stop, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_RESET)] = { radeon_cp_reset, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_IDLE)] = { radeon_cp_idle, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_RESET)] = { radeon_engine_reset, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_FULLSCREEN)] = { radeon_fullscreen, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_SWAP)] = { radeon_cp_swap, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CLEAR)] = { radeon_cp_clear, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_VERTEX)] = { radeon_cp_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDICES)] = { radeon_cp_indices, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_BLIT)] = { radeon_cp_blit, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_STIPPLE)] = { radeon_cp_stipple, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDIRECT)]= { radeon_cp_indirect,1, 1 }, -}; -#define RADEON_IOCTL_COUNT DRM_ARRAY_SIZE(radeon_ioctls) - -#ifdef MODULE -static char *radeon = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("radeon"); -MODULE_PARM(radeon, "s"); - -#ifndef MODULE -/* radeon_options is called by the kernel to parse command-line options - * passed via the boot-loader (e.g., LILO). It calls the insmod option - * routine, drm_parse_drm. - */ - -static int __init radeon_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("radeon=", radeon_options); -#endif - -static int radeon_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - drm_dma_setup(dev); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); - - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - radeon_res_ctx.handle = -1; - - DRM_DEBUG("\n"); - - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "radeon" +#define DRIVER_DESC "ATI Radeon" +#define DRIVER_DATE "20010216" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { radeon_cp_buffers, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_INIT)] = { radeon_cp_init, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_START)] = { radeon_cp_start, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_STOP)] = { radeon_cp_stop, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_RESET)] = { radeon_cp_reset, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_IDLE)] = { radeon_cp_idle, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_RESET)] = { radeon_engine_reset, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_FULLSCREEN)] = { radeon_fullscreen, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_SWAP)] = { radeon_cp_swap, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CLEAR)] = { radeon_cp_clear, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_VERTEX)] = { radeon_cp_vertex, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDICES)] = { radeon_cp_indices, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_BLIT)] = { radeon_cp_blit, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_STIPPLE)] = { radeon_cp_stipple, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDIRECT)] = { radeon_cp_indirect, 1, 1 }, - return 0; -} - - -static int radeon_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until radeon_cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; - if (entry->bound) drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) _drm_agp_release(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } -#endif - - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } -#endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - /* Do nothing here, because this is all - handled in the AGP/GART driver. */ - break; - case _DRM_SCATTER_GATHER: - if (dev->sg) { - drm_sg_cleanup(dev->sg); - dev->sg = NULL; - } - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - - drm_dma_takedown(dev); - - dev->queue_count = 0; - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* radeon_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init radeon_init(void) -{ - int retcode; - drm_device_t *dev = &radeon_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(radeon); -#endif - - if ((retcode = misc_register(&radeon_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", RADEON_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, radeon_misc.minor); - dev->name = RADEON_NAME; - - drm_mem_init(); - drm_proc_init(dev); - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - dev->agp = drm_agp_init(); - if (dev->agp == NULL) { - DRM_ERROR("Cannot initialize agpgart module.\n"); - drm_proc_cleanup(); - misc_deregister(&radeon_misc); - radeon_takedown(dev); - return -ENOMEM; - } - -#ifdef CONFIG_MTRR - dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size*1024*1024, - MTRR_TYPE_WRCOMB, - 1); -#endif -#endif - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&radeon_misc); - radeon_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - RADEON_NAME, - RADEON_MAJOR, - RADEON_MINOR, - RADEON_PATCHLEVEL, - RADEON_DATE, - radeon_misc.minor); - - return 0; -} - -/* radeon_cleanup is called via cleanup_module at module unload time. */ - -static void __exit radeon_cleanup(void) -{ - drm_device_t *dev = &radeon_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&radeon_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); - radeon_takedown(dev); -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -#endif -} - -module_init(radeon_init); -module_exit(radeon_cleanup); - - -int radeon_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } - - version.version_major = RADEON_MAJOR; - version.version_minor = RADEON_MINOR; - version.version_patchlevel = RADEON_PATCHLEVEL; - - DRM_COPY(version.name, RADEON_NAME); - DRM_COPY(version.date, RADEON_DATE); - DRM_COPY(version.desc, RADEON_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int radeon_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &radeon_device; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return radeon_setup(dev); - } - spin_unlock(&dev->count_lock); - } - - return retcode; -} - -int radeon_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - - /* Force the cleanup of page flipping when required */ - if ( dev->dev_private ) { - drm_radeon_private_t *dev_priv = dev->dev_private; - if ( dev_priv->page_flipping ) { - radeon_do_cleanup_pageflip( dev ); - } - } - - if (!(retcode = drm_release(inode, filp))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return radeon_takedown(dev); - } - spin_unlock(&dev->count_lock); - } - - unlock_kernel(); - return retcode; -} - -/* radeon_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int radeon_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, priv->authenticated); - - if (nr >= RADEON_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &radeon_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function\n"); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int radeon_lock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - DECLARE_WAITQUEUE(entry, current); - int ret = 0; - drm_lock_t lock; -#if DRM_DMA_HISTOGRAM - cycles_t start; - - dev->lck_start = start = get_cycles(); -#endif - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", - lock.context, current->pid, dev->lock.hw_lock->lock, - lock.flags); - - if (lock.context < 0 /* || lock.context >= dev->queue_count */) - return -EINVAL; - - if (!ret) { - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - ret = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - lock.context)) { - dev->lock.pid = current->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - } - - if (!ret) { - sigemptyset(&dev->sigmask); - sigaddset(&dev->sigmask, SIGSTOP); - sigaddset(&dev->sigmask, SIGTSTP); - sigaddset(&dev->sigmask, SIGTTIN); - sigaddset(&dev->sigmask, SIGTTOU); - dev->sigdata.context = lock.context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); - if (lock.flags & _DRM_LOCK_READY) { - /* Wait for space in DMA/FIFO */ - } - if (lock.flags & _DRM_LOCK_QUIESCENT) { - /* Make hardware quiescent */ - DRM_DEBUG("not quiescent!\n"); #if 0 - radeon_quiescent(dev); -#endif - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != radeon_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY/4; - } -#endif - DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); - -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.lacq[drm_histogram_slot(get_cycles() - start)]); -#endif - - return ret; -} - - -int radeon_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d frees lock (%d holds)\n", - lock.context, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - /* FIXME: Try to send data to card here */ - if (!dev->context_flag) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("\n"); - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != radeon_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY; - } -#endif - unblock_all_signals(); - return 0; -} +/* GH: Count data sent to card via ring or vertex/indirect buffers. + */ +#define __HAVE_COUNTERS 3 +#define __HAVE_COUNTER6 _DRM_STAT_IRQ +#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY +#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY +#endif + + +#include "drm_agpsupport.h" +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux-core/tdfx_drv.c b/linux-core/tdfx_drv.c index b98a2988..71d065f1 100644 --- a/linux-core/tdfx_drv.c +++ b/linux-core/tdfx_drv.c @@ -27,670 +27,36 @@ * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> * Daryll Strauss <daryll@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "tdfx.h" #include "drmP.h" -#include "tdfx_drv.h" - -#define TDFX_NAME "tdfx" -#define TDFX_DESC "3dfx Banshee/Voodoo3+" -#define TDFX_DATE "20001030" -#define TDFX_MAJOR 1 -#define TDFX_MINOR 0 -#define TDFX_PATCHLEVEL 0 - -static drm_device_t tdfx_device; -drm_ctx_t tdfx_res_ctx; - -static struct file_operations tdfx_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: tdfx_open, - flush: drm_flush, - release: tdfx_release, - ioctl: tdfx_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice tdfx_misc = { - minor: MISC_DYNAMIC_MINOR, - name: TDFX_NAME, - fops: &tdfx_fops, -}; - -static drm_ioctl_desc_t tdfx_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { tdfx_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { tdfx_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { tdfx_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { tdfx_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { tdfx_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { tdfx_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { tdfx_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { tdfx_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { tdfx_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { tdfx_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = {drm_agp_acquire, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = {drm_agp_release, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = {drm_agp_enable, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = {drm_agp_info, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = {drm_agp_alloc, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = {drm_agp_free, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = {drm_agp_unbind, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = {drm_agp_bind, 1, 1}, -#endif -}; -#define TDFX_IOCTL_COUNT DRM_ARRAY_SIZE(tdfx_ioctls) - -#ifdef MODULE -static char *tdfx = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("tdfx"); -MODULE_PARM(tdfx, "s"); - -#ifndef MODULE -/* tdfx_options is called by the kernel to parse command-line options - * passed via the boot-loader (e.g., LILO). It calls the insmod option - * routine, drm_parse_drm. - */ - -static int __init tdfx_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("tdfx=", tdfx_options); -#endif - -static int tdfx_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); - - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - tdfx_res_ctx.handle=-1; - - DRM_DEBUG("\n"); - - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ - - return 0; -} - - -static int tdfx_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *temp; - drm_agp_mem_t *temp_next; - - temp = dev->agp->memory; - while(temp != NULL) { - temp_next = temp->next; - drm_free_agp(temp->memory, temp->pages); - drm_free(temp, sizeof(*temp), DRM_MEM_AGPLISTS); - temp = temp_next; - } - if (dev->agp->acquired) _drm_agp_release(); - } -#endif - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } -#endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - /* Do nothing here, because this is all - handled in the AGP/GART driver. */ - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* tdfx_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init tdfx_init(void) -{ - int retcode; - drm_device_t *dev = &tdfx_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(tdfx); -#endif - - if ((retcode = misc_register(&tdfx_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", TDFX_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, tdfx_misc.minor); - dev->name = TDFX_NAME; - - drm_mem_init(); - drm_proc_init(dev); -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - dev->agp = drm_agp_init(); -#endif - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&tdfx_misc); - tdfx_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - TDFX_NAME, - TDFX_MAJOR, - TDFX_MINOR, - TDFX_PATCHLEVEL, - TDFX_DATE, - tdfx_misc.minor); - - return 0; -} - -/* tdfx_cleanup is called via cleanup_module at module unload time. */ - -static void __exit tdfx_cleanup(void) -{ - drm_device_t *dev = &tdfx_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&tdfx_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); - tdfx_takedown(dev); -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -#endif -} - -module_init(tdfx_init); -module_exit(tdfx_cleanup); - - -int tdfx_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } - - version.version_major = TDFX_MAJOR; - version.version_minor = TDFX_MINOR; - version.version_patchlevel = TDFX_PATCHLEVEL; - - DRM_COPY(version.name, TDFX_NAME); - DRM_COPY(version.date, TDFX_DATE); - DRM_COPY(version.desc, TDFX_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int tdfx_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &tdfx_device; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return tdfx_setup(dev); - } - spin_unlock(&dev->count_lock); - } - return retcode; -} - -int tdfx_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_release(inode, filp))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return tdfx_takedown(dev); - } - spin_unlock(&dev->count_lock); - } - - unlock_kernel(); - return retcode; -} - -/* tdfx_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int tdfx_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, priv->authenticated); - - if (nr >= TDFX_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &tdfx_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function\n"); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int tdfx_lock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - DECLARE_WAITQUEUE(entry, current); - int ret = 0; - drm_lock_t lock; -#if DRM_DMA_HISTOGRAM - cycles_t start; - - dev->lck_start = start = get_cycles(); -#endif - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", - lock.context, current->pid, dev->lock.hw_lock->lock, - lock.flags); - -#if 0 - /* dev->queue_count == 0 right now for - tdfx. FIXME? */ - if (lock.context < 0 || lock.context >= dev->queue_count) - return -EINVAL; -#endif - - if (!ret) { -#if 0 - if (_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) - != lock.context) { - long j = jiffies - dev->lock.lock_time; - - if (lock.context == tdfx_res_ctx.handle && - j >= 0 && j < DRM_LOCK_SLICE) { - /* Can't take lock if we just had it and - there is contention. */ - DRM_DEBUG("%d (pid %d) delayed j=%d dev=%d jiffies=%d\n", - lock.context, current->pid, j, - dev->lock.lock_time, jiffies); - current->state = TASK_INTERRUPTIBLE; - current->policy |= SCHED_YIELD; - schedule_timeout(DRM_LOCK_SLICE-j); - DRM_DEBUG("jiffies=%d\n", jiffies); - } - } -#endif - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - ret = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - lock.context)) { - dev->lock.pid = current->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - - /* Contention */ - atomic_inc(&dev->total_sleeps); -#if 1 - current->policy |= SCHED_YIELD; -#endif - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - } - -#if 0 - if (!ret && dev->last_context != lock.context && - lock.context != tdfx_res_ctx.handle && - dev->last_context != tdfx_res_ctx.handle) { - add_wait_queue(&dev->context_wait, &entry); - current->state = TASK_INTERRUPTIBLE; - /* PRE: dev->last_context != lock.context */ - tdfx_context_switch(dev, dev->last_context, lock.context); - /* POST: we will wait for the context - switch and will dispatch on a later call - when dev->last_context == lock.context - NOTE WE HOLD THE LOCK THROUGHOUT THIS - TIME! */ - current->policy |= SCHED_YIELD; - schedule(); - current->state = TASK_RUNNING; - remove_wait_queue(&dev->context_wait, &entry); - if (signal_pending(current)) { - ret = -EINTR; - } else if (dev->last_context != lock.context) { - DRM_ERROR("Context mismatch: %d %d\n", - dev->last_context, lock.context); - } - } -#endif - - if (!ret) { - sigemptyset(&dev->sigmask); - sigaddset(&dev->sigmask, SIGSTOP); - sigaddset(&dev->sigmask, SIGTSTP); - sigaddset(&dev->sigmask, SIGTTIN); - sigaddset(&dev->sigmask, SIGTTOU); - dev->sigdata.context = lock.context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); - - if (lock.flags & _DRM_LOCK_READY) { - /* Wait for space in DMA/FIFO */ - } - if (lock.flags & _DRM_LOCK_QUIESCENT) { - /* Make hardware quiescent */ -#if 0 - tdfx_quiescent(dev); -#endif - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != tdfx_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY/4; - } -#endif - DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); - -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.lacq[drm_histogram_slot(get_cycles() - start)]); -#endif - - return ret; -} - - -int tdfx_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d frees lock (%d holds)\n", - lock.context, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - /* FIXME: Try to send data to card here */ - if (!dev->context_flag) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("\n"); - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != tdfx_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY; - } -#endif - unblock_all_signals(); - return 0; -} +#define DRIVER_AUTHOR "VA Linux Systems Inc." + +#define DRIVER_NAME "tdfx" +#define DRIVER_DESC "3dfx Banshee/Voodoo3+" +#define DRIVER_DATE "20010216" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + + +#include "drm_agpsupport.h" +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux/Makefile.kernel b/linux/Makefile.kernel index 42e13846..a434a120 100644 --- a/linux/Makefile.kernel +++ b/linux/Makefile.kernel @@ -62,7 +62,7 @@ obj-$(CONFIG_DRM_MGA) += mga.o obj-$(CONFIG_DRM_I810) += i810.o -# When linking into the kernel, link the library just once. +# When linking into the kernel, link the library just once. # If making modules, we include the library into each module lib-objs-mod := $(patsubst %.o,%-mod.o,$(lib-objs)) @@ -75,7 +75,7 @@ endif include $(TOPDIR)/Rules.make -$(patsubst %.o,%.c,$(lib-objs-mod)): +$(patsubst %.o,%.c,$(lib-objs-mod)): @ln -sf $(subst -mod,,$@) $@ drmlib-mod.a: $(lib-objs-mod) diff --git a/linux/Makefile.linux b/linux/Makefile.linux index 58b963e0..d022557d 100644 --- a/linux/Makefile.linux +++ b/linux/Makefile.linux @@ -46,33 +46,35 @@ # *** Setup # **** End of SMP/MODVERSIONS detection -CC= gcc -MODS= gamma.o tdfx.o r128.o -LIBS= libdrm.a -DRMOBJS= init.o memory.o proc.o auth.o context.o drawable.o bufs.o \ - lists.o lock.o ioctl.o fops.o vm.o dma.o ctxbitmap.o scatter.o -DRMHEADERS= drm.h drmP.h compat-pre24.h +MODS = gamma.o tdfx.o +LIBS = -GAMMAOBJS= gamma_drv.o gamma_dma.o -GAMMAHEADERS= gamma_drv.h $(DRMHEADERS) +DRMTEMPLATES = drm_auth.h drm_bufs.h drm_context.h drm_dma.h drm_drawable.h \ + drm_drv.h drm_fops.h drm_init.h drm_ioctl.h drm_lists.h \ + drm_lock.h drm_memory.h drm_proc.h drm_stub.h drm_vm.h +DRMHEADERS = drm.h drmP.h compat-pre24.h -TDFXOBJS= tdfx_drv.o tdfx_context.o -TDFXHEADERS= tdfx_drv.h $(DRMHEADERS) +GAMMAOBJS = gamma_drv.o gamma_dma.o +GAMMAHEADERS = gamma_drv.h $(DRMHEADERS) $(DRMTEMPLATES) -INC= /usr/include +TDFXOBJS = tdfx_drv.o +TDFXHEADERS = tdfx.h $(DRMHEADERS) -CFLAGS= -O2 $(WARNINGS) -WARNINGS= -Wall -Wwrite-strings -Wpointer-arith -Wcast-align \ +INC = /usr/include + +CFLAGS = -O2 $(WARNINGS) +WARNINGS = -Wall -Wwrite-strings -Wpointer-arith -Wcast-align \ -Wstrict-prototypes -Wnested-externs \ -Wpointer-arith # -Wshadow -Winline -- make output too noisy -MODCFLAGS= $(CFLAGS) -D__KERNEL__ -DMODULE -fomit-frame-pointer -PRGCFLAGS= $(CFLAGS) -g -ansi -pedantic -DPOSIX_C_SOURCE=199309L \ +MODCFLAGS = $(CFLAGS) -D__KERNEL__ -DMODULE -fomit-frame-pointer +PRGCFLAGS = $(CFLAGS) -g -ansi -pedantic -DPOSIX_C_SOURCE=199309L \ -D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE \ -I../../../../../../include -I../../../../../../../../include \ - -I../../../../../../../../programs/Xserver/hw/xfree86/common -PRGLIBS= + -I../../../../../../../../programs/Xserver/hw/xfree86/common \ + -I. -I../../.. -I../../../../../../../../lib/X11 +PRGLIBS = # **** Start of SMP/MODVERSIONS detection @@ -128,27 +130,30 @@ endif ifeq ($(AGP),1) MODCFLAGS += -DCONFIG_AGP -DCONFIG_AGP_MODULE -DRMOBJS += agpsupport.o -MODS += mga.o radeon.o +DRMTEMPLATES += drm_agpsupport.h +DRMHEADERS += agpsupport-pre24.h +MODS += mga.o r128.o radeon.o ifeq ($(MACHINE),i386) MODS += i810.o endif +ifeq ($(MACHINE),i686) +MODS += i810.o +endif -MGAOBJS= mga_drv.o mga_dma.o mga_bufs.o mga_context.o mga_state.o -MGAHEADERS= mga_drv.h $(DRMHEADERS) +MGAOBJS = mga_drv.o mga_dma.o mga_state.o mga_warp.o +MGAHEADERS = mga.h mga_drv.h mga_drm.h $(DRMHEADERS) $(DRMTEMPLATES) -I810OBJS= i810_drv.o i810_dma.o i810_bufs.o i810_context.o -I810HEADERS= i810_drv.h $(DRMHEADERS) -endif +I810OBJS = i810_drv.o i810_dma.o +I810HEADERS = i810.h i810_drv.h i810_drm.h $(DRMHEADERS) $(DRMTEMPLATES) -R128OBJS= r128_drv.o r128_cce.o r128_bufs.o r128_context.o r128_state.o \ - ati_pcigart.o -R128HEADERS= r128_drv.h r128_drm.h $(DRMHEADERS) +R128OBJS = r128_drv.o r128_cce.o r128_state.o +R128HEADERS = r128.h r128_drv.h r128_drm.h $(DRMHEADERS) $(DRMTEMPLATES) -RADEONOBJS= radeon_drv.o radeon_cp.o radeon_bufs.o radeon_context.o \ - radeon_state.o ati_pcigart.o -RADEONHEADERS= radeon_drv.h radeon_drm.h $(DRMHEADERS) +RADEONOBJS = radeon_drv.o radeon_cp.o radeon_state.o +RADEONHEADERS = radeon.h radeon_drv.h radeon_drm.h $(DRMHEADERS) \ + $(DRMTEMPLATES) +endif ifeq ($(SIS),1) # It appears that the SiS driver makes calls to sis_malloc and sis_free, and @@ -169,7 +174,7 @@ all::;@echo === SMP=${SMP} MODULES=${MODULES} MODVERSIONS=${MODVERSIONS} AGP=${A all::;@echo === kill_fasync has $(PARAMS) parameters all::;@echo === Compiling for machine $(MACHINE) all::;@echo === WARNING -all::;@echo === WARNING 2.4.0 kernels before test11 DONT WORK +all::;@echo === WARNING 2.4.0 kernels before 2.4.0-test11 DO NOT WORK all::;@echo === WARNING ifeq ($(MODULES),0) @@ -197,13 +202,12 @@ endif # **** End of configuration -libdrm.a: $(DRMOBJS) - -$(RM) -f $@ - $(AR) rcs $@ $(DRMOBJS) +dristat: dristat.c + $(CC) $(PRGCFLAGS) $< -o $@ gamma_drv.o: gamma_drv.c $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ -gamma.o: $(GAMMAOBJS) $(LIBS) +gamma.o: $(GAMMAOBJS) $(LD) -r $^ -o $@ tdfx_drv.o: tdfx_drv.c @@ -217,14 +221,13 @@ sis.o: $(SISOBJS) $(LIBS) ifeq ($(AGP),1) mga_drv.o: mga_drv.c $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ -mga.o: $(MGAOBJS) $(LIBS) +mga.o: $(MGAOBJS) $(LD) -r $^ -o $@ i810_drv.o: i810_drv.c $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ i810.o: $(I810OBJS) $(LIBS) $(LD) -r $^ -o $@ -endif r128_drv.o: r128_drv.c $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ @@ -235,6 +238,7 @@ radeon_drv.o: radeon_drv.c $(CC) $(MODCFLAGS) -DEXPORT_SYMTAB -I$(TREE) -c $< -o $@ radeon.o: $(RADEONOBJS) $(LIBS) $(LD) -r $^ -o $@ +endif .PHONY: ChangeLog ChangeLog: @@ -249,15 +253,14 @@ ChangeLog: %.o: %.c $(CC) $(MODCFLAGS) -I$(TREE) -c $< -o $@ -$(DRMOBJS): $(DRMHEADERS) $(GAMMAOBJS): $(GAMMAHEADERS) $(TDFXOBJS): $(TDFXHEADERS) ifeq ($(AGP),1) $(MGAOBJS): $(MGAHEADERS) $(I810OBJS): $(I810HEADERS) -endif $(R128OBJS): $(R128HEADERS) $(RADEONOBJS): $(RADEONHEADERS) +endif clean: rm -f *.o *.a *~ core diff --git a/linux/bufs.c b/linux/bufs.c deleted file mode 100644 index 3d13d899..00000000 --- a/linux/bufs.c +++ /dev/null @@ -1,544 +0,0 @@ -/* bufs.c -- IOCTLs to manage buffers -*- linux-c -*- - * Created: Tue Feb 2 08:37:54 1999 by faith@precisioninsight.com - * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * - */ - -#define __NO_VERSION__ -#include <linux/config.h> -#include "drmP.h" -#include "linux/un.h" - - /* Compute order. Can be made faster. */ -int drm_order(unsigned long size) -{ - int order; - unsigned long tmp; - - for (order = 0, tmp = size; tmp >>= 1; ++order); - if (size & ~(1 << order)) ++order; - return order; -} - -int drm_addmap(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_map_t *map; - - if (!(filp->f_mode & 3)) return -EACCES; /* Require read/write */ - - map = drm_alloc(sizeof(*map), DRM_MEM_MAPS); - if (!map) return -ENOMEM; - if (copy_from_user(map, (drm_map_t *)arg, sizeof(*map))) { - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - return -EFAULT; - } - - DRM_DEBUG("offset = 0x%08lx, size = 0x%08lx, type = %d\n", - map->offset, map->size, map->type); - if ((map->offset & (~PAGE_MASK)) || (map->size & (~PAGE_MASK))) { - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - return -EINVAL; - } - map->mtrr = -1; - map->handle = 0; - - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifndef __sparc__ - if (map->offset + map->size < map->offset - || map->offset < virt_to_phys(high_memory)) { - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - return -EINVAL; - } -#endif -#ifdef CONFIG_MTRR - if (map->type == _DRM_FRAME_BUFFER - || (map->flags & _DRM_WRITE_COMBINING)) { - map->mtrr = mtrr_add(map->offset, map->size, - MTRR_TYPE_WRCOMB, 1); - } -#endif - map->handle = drm_ioremap(map->offset, map->size); - break; - - - case _DRM_SHM: - map->handle = (void *)drm_alloc_pages(drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - DRM_DEBUG("%ld %d %p\n", map->size, drm_order(map->size), - map->handle); - if (!map->handle) { - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - return -ENOMEM; - } - map->offset = (unsigned long)map->handle; - if (map->flags & _DRM_CONTAINS_LOCK) { - dev->lock.hw_lock = map->handle; /* Pointer to lock */ - } - break; -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - case _DRM_AGP: - map->offset = map->offset + dev->agp->base; - break; -#endif - case _DRM_SCATTER_GATHER: - if (!dev->sg) { - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - return -EINVAL; - } - map->offset = map->offset + dev->sg->handle; - break; - default: - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - return -EINVAL; - } - - down(&dev->struct_sem); - if (dev->maplist) { - ++dev->map_count; - dev->maplist = drm_realloc(dev->maplist, - (dev->map_count-1) - * sizeof(*dev->maplist), - dev->map_count - * sizeof(*dev->maplist), - DRM_MEM_MAPS); - } else { - dev->map_count = 1; - dev->maplist = drm_alloc(dev->map_count*sizeof(*dev->maplist), - DRM_MEM_MAPS); - } - dev->maplist[dev->map_count-1] = map; - up(&dev->struct_sem); - - if (copy_to_user((drm_map_t *)arg, map, sizeof(*map))) - return -EFAULT; - if (map->type != _DRM_SHM) { - if (copy_to_user(&((drm_map_t *)arg)->handle, - &map->offset, - sizeof(map->offset))) - return -EFAULT; - } - return 0; -} - -int drm_addbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - int count; - int order; - int size; - int total; - int page_order; - drm_buf_entry_t *entry; - unsigned long page; - drm_buf_t *buf; - int alignment; - unsigned long offset; - int i; - int byte_count; - int page_count; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - count = request.count; - order = drm_order(request.size); - size = 1 << order; - - DRM_DEBUG("count = %d, size = %d (%d), order = %d, queue_count = %d\n", - request.count, request.size, size, order, dev->queue_count); - - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - if (dev->queue_count) return -EBUSY; /* Not while in use */ - - alignment = (request.flags & _DRM_PAGE_ALIGN) ? PAGE_ALIGN(size):size; - page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; - total = PAGE_SIZE << page_order; - - spin_lock(&dev->count_lock); - if (dev->buf_use) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - atomic_inc(&dev->buf_alloc); - spin_unlock(&dev->count_lock); - - down(&dev->struct_sem); - entry = &dma->bufs[order]; - if (entry->buf_count) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; /* May only call once for each order */ - } - - entry->buflist = drm_alloc(count * sizeof(*entry->buflist), - DRM_MEM_BUFS); - if (!entry->buflist) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; - } - memset(entry->buflist, 0, count * sizeof(*entry->buflist)); - - entry->seglist = drm_alloc(count * sizeof(*entry->seglist), - DRM_MEM_SEGS); - if (!entry->seglist) { - drm_free(entry->buflist, - count * sizeof(*entry->buflist), - DRM_MEM_BUFS); - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; - } - memset(entry->seglist, 0, count * sizeof(*entry->seglist)); - - dma->pagelist = drm_realloc(dma->pagelist, - dma->page_count * sizeof(*dma->pagelist), - (dma->page_count + (count << page_order)) - * sizeof(*dma->pagelist), - DRM_MEM_PAGES); - DRM_DEBUG("pagelist: %d entries\n", - dma->page_count + (count << page_order)); - - - entry->buf_size = size; - entry->page_order = page_order; - byte_count = 0; - page_count = 0; - while (entry->buf_count < count) { - if (!(page = drm_alloc_pages(page_order, DRM_MEM_DMA))) break; - entry->seglist[entry->seg_count++] = page; - for (i = 0; i < (1 << page_order); i++) { - DRM_DEBUG("page %d @ 0x%08lx\n", - dma->page_count + page_count, - page + PAGE_SIZE * i); - dma->pagelist[dma->page_count + page_count++] - = page + PAGE_SIZE * i; - } - for (offset = 0; - offset + size <= total && entry->buf_count < count; - offset += alignment, ++entry->buf_count) { - buf = &entry->buflist[entry->buf_count]; - buf->idx = dma->buf_count + entry->buf_count; - buf->total = alignment; - buf->order = order; - buf->used = 0; - buf->offset = (dma->byte_count + byte_count + offset); - buf->address = (void *)(page + offset); - buf->next = NULL; - buf->waiting = 0; - buf->pending = 0; - init_waitqueue_head(&buf->dma_wait); - buf->pid = 0; -#if DRM_DMA_HISTOGRAM - buf->time_queued = 0; - buf->time_dispatched = 0; - buf->time_completed = 0; - buf->time_freed = 0; -#endif - DRM_DEBUG("buffer %d @ %p\n", - entry->buf_count, buf->address); - } - byte_count += PAGE_SIZE << page_order; - } - - dma->buflist = drm_realloc(dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - (dma->buf_count + entry->buf_count) - * sizeof(*dma->buflist), - DRM_MEM_BUFS); - for (i = dma->buf_count; i < dma->buf_count + entry->buf_count; i++) - dma->buflist[i] = &entry->buflist[i - dma->buf_count]; - - dma->buf_count += entry->buf_count; - dma->seg_count += entry->seg_count; - dma->page_count += entry->seg_count << page_order; - dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); - - drm_freelist_create(&entry->freelist, entry->buf_count); - for (i = 0; i < entry->buf_count; i++) { - drm_freelist_put(dev, &entry->freelist, &entry->buflist[i]); - } - - up(&dev->struct_sem); - - request.count = entry->buf_count; - request.size = size; - - if (copy_to_user((drm_buf_desc_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - atomic_dec(&dev->buf_alloc); - return 0; -} - -int drm_infobufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_info_t request; - int i; - int count; - - if (!dma) return -EINVAL; - - spin_lock(&dev->count_lock); - if (atomic_read(&dev->buf_alloc)) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - ++dev->buf_use; /* Can't allocate more after this call */ - spin_unlock(&dev->count_lock); - - if (copy_from_user(&request, - (drm_buf_info_t *)arg, - sizeof(request))) - return -EFAULT; - - for (i = 0, count = 0; i < DRM_MAX_ORDER+1; i++) { - if (dma->bufs[i].buf_count) ++count; - } - - DRM_DEBUG("count = %d\n", count); - - if (request.count >= count) { - for (i = 0, count = 0; i < DRM_MAX_ORDER+1; i++) { - if (dma->bufs[i].buf_count) { - if (copy_to_user(&request.list[count].count, - &dma->bufs[i].buf_count, - sizeof(dma->bufs[0] - .buf_count)) || - copy_to_user(&request.list[count].size, - &dma->bufs[i].buf_size, - sizeof(dma->bufs[0].buf_size)) || - copy_to_user(&request.list[count].low_mark, - &dma->bufs[i] - .freelist.low_mark, - sizeof(dma->bufs[0] - .freelist.low_mark)) || - copy_to_user(&request.list[count] - .high_mark, - &dma->bufs[i] - .freelist.high_mark, - sizeof(dma->bufs[0] - .freelist.high_mark))) - return -EFAULT; - - DRM_DEBUG("%d %d %d %d %d\n", - i, - dma->bufs[i].buf_count, - dma->bufs[i].buf_size, - dma->bufs[i].freelist.low_mark, - dma->bufs[i].freelist.high_mark); - ++count; - } - } - } - request.count = count; - - if (copy_to_user((drm_buf_info_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - return 0; -} - -int drm_markbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - int order; - drm_buf_entry_t *entry; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - DRM_DEBUG("%d, %d, %d\n", - request.size, request.low_mark, request.high_mark); - order = drm_order(request.size); - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - entry = &dma->bufs[order]; - - if (request.low_mark < 0 || request.low_mark > entry->buf_count) - return -EINVAL; - if (request.high_mark < 0 || request.high_mark > entry->buf_count) - return -EINVAL; - - entry->freelist.low_mark = request.low_mark; - entry->freelist.high_mark = request.high_mark; - - return 0; -} - -int drm_freebufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_free_t request; - int i; - int idx; - drm_buf_t *buf; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_free_t *)arg, - sizeof(request))) - return -EFAULT; - - DRM_DEBUG("%d\n", request.count); - for (i = 0; i < request.count; i++) { - if (copy_from_user(&idx, - &request.list[i], - sizeof(idx))) - return -EFAULT; - if (idx < 0 || idx >= dma->buf_count) { - DRM_ERROR("Index %d (of %d max)\n", - idx, dma->buf_count - 1); - return -EINVAL; - } - buf = dma->buflist[idx]; - if (buf->pid != current->pid) { - DRM_ERROR("Process %d freeing buffer owned by %d\n", - current->pid, buf->pid); - return -EINVAL; - } - drm_free_buffer(dev, buf); - } - - return 0; -} - -int drm_mapbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - int retcode = 0; - const int zero = 0; - unsigned long virtual; - unsigned long address; - drm_buf_map_t request; - int i; - - if (!dma) return -EINVAL; - - DRM_DEBUG("\n"); - - spin_lock(&dev->count_lock); - if (atomic_read(&dev->buf_alloc)) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - ++dev->buf_use; /* Can't allocate more after this call */ - spin_unlock(&dev->count_lock); - - if (copy_from_user(&request, - (drm_buf_map_t *)arg, - sizeof(request))) - return -EFAULT; - - if (request.count >= dma->buf_count) { - down(¤t->mm->mmap_sem); - virtual = do_mmap(filp, 0, dma->byte_count, - PROT_READ|PROT_WRITE, MAP_SHARED, 0); - up(¤t->mm->mmap_sem); - if (virtual > -1024UL) { - /* Real error */ - retcode = (signed long)virtual; - goto done; - } - request.virtual = (void *)virtual; - - for (i = 0; i < dma->buf_count; i++) { - if (copy_to_user(&request.list[i].idx, - &dma->buflist[i]->idx, - sizeof(request.list[0].idx))) { - retcode = -EFAULT; - goto done; - } - if (copy_to_user(&request.list[i].total, - &dma->buflist[i]->total, - sizeof(request.list[0].total))) { - retcode = -EFAULT; - goto done; - } - if (copy_to_user(&request.list[i].used, - &zero, - sizeof(zero))) { - retcode = -EFAULT; - goto done; - } - address = virtual + dma->buflist[i]->offset; - if (copy_to_user(&request.list[i].address, - &address, - sizeof(address))) { - retcode = -EFAULT; - goto done; - } - } - } -done: - request.count = dma->buf_count; - DRM_DEBUG("%d buffers, retcode = %d\n", request.count, retcode); - - if (copy_to_user((drm_buf_map_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - return retcode; -} diff --git a/linux/compat-pre24.h b/linux/compat-pre24.h index f6dae008..0ad96b12 100644 --- a/linux/compat-pre24.h +++ b/linux/compat-pre24.h @@ -45,6 +45,7 @@ /* This is a hack that only works for this code base -- because we always call this with dev->tq.* */ +#undef INIT_LIST_HEAD #define INIT_LIST_HEAD(pointer) dev->tq.next = NULL #endif diff --git a/linux/context.c b/linux/context.c deleted file mode 100644 index 933fd0cd..00000000 --- a/linux/context.c +++ /dev/null @@ -1,318 +0,0 @@ -/* context.c -- IOCTLs for contexts and DMA queues -*- linux-c -*- - * Created: Tue Feb 2 08:37:54 1999 by faith@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" - -static int drm_init_queue(drm_device_t *dev, drm_queue_t *q, drm_ctx_t *ctx) -{ - DRM_DEBUG("\n"); - - if (atomic_read(&q->use_count) != 1 - || atomic_read(&q->finalization) - || atomic_read(&q->block_count)) { - DRM_ERROR("New queue is already in use: u%d f%d b%d\n", - atomic_read(&q->use_count), - atomic_read(&q->finalization), - atomic_read(&q->block_count)); - } - - atomic_set(&q->finalization, 0); - atomic_set(&q->block_count, 0); - atomic_set(&q->block_read, 0); - atomic_set(&q->block_write, 0); - atomic_set(&q->total_queued, 0); - atomic_set(&q->total_flushed, 0); - atomic_set(&q->total_locks, 0); - - init_waitqueue_head(&q->write_queue); - init_waitqueue_head(&q->read_queue); - init_waitqueue_head(&q->flush_queue); - - q->flags = ctx->flags; - - drm_waitlist_create(&q->waitlist, dev->dma->buf_count); - - return 0; -} - - -/* drm_alloc_queue: -PRE: 1) dev->queuelist[0..dev->queue_count] is allocated and will not - disappear (so all deallocation must be done after IOCTLs are off) - 2) dev->queue_count < dev->queue_slots - 3) dev->queuelist[i].use_count == 0 and - dev->queuelist[i].finalization == 0 if i not in use -POST: 1) dev->queuelist[i].use_count == 1 - 2) dev->queue_count < dev->queue_slots */ - -static int drm_alloc_queue(drm_device_t *dev) -{ - int i; - drm_queue_t *queue; - int oldslots; - int newslots; - /* Check for a free queue */ - for (i = 0; i < dev->queue_count; i++) { - atomic_inc(&dev->queuelist[i]->use_count); - if (atomic_read(&dev->queuelist[i]->use_count) == 1 - && !atomic_read(&dev->queuelist[i]->finalization)) { - DRM_DEBUG("%d (free)\n", i); - return i; - } - atomic_dec(&dev->queuelist[i]->use_count); - } - /* Allocate a new queue */ - down(&dev->struct_sem); - - queue = drm_alloc(sizeof(*queue), DRM_MEM_QUEUES); - memset(queue, 0, sizeof(*queue)); - atomic_set(&queue->use_count, 1); - - ++dev->queue_count; - if (dev->queue_count >= dev->queue_slots) { - oldslots = dev->queue_slots * sizeof(*dev->queuelist); - if (!dev->queue_slots) dev->queue_slots = 1; - dev->queue_slots *= 2; - newslots = dev->queue_slots * sizeof(*dev->queuelist); - - dev->queuelist = drm_realloc(dev->queuelist, - oldslots, - newslots, - DRM_MEM_QUEUES); - if (!dev->queuelist) { - up(&dev->struct_sem); - DRM_DEBUG("out of memory\n"); - return -ENOMEM; - } - } - dev->queuelist[dev->queue_count-1] = queue; - - up(&dev->struct_sem); - DRM_DEBUG("%d (new)\n", dev->queue_count - 1); - return dev->queue_count - 1; -} - -int drm_resctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_res_t res; - drm_ctx_t ctx; - int i; - - DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); - if (copy_from_user(&res, (drm_ctx_res_t *)arg, sizeof(res))) - return -EFAULT; - if (res.count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - ctx.handle = i; - if (copy_to_user(&res.contexts[i], - &i, - sizeof(i))) - return -EFAULT; - } - } - res.count = DRM_RESERVED_CONTEXTS; - if (copy_to_user((drm_ctx_res_t *)arg, &res, sizeof(res))) - return -EFAULT; - return 0; -} - - -int drm_addctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - if ((ctx.handle = drm_alloc_queue(dev)) == DRM_KERNEL_CONTEXT) { - /* Init kernel's context and get a new one. */ - drm_init_queue(dev, dev->queuelist[ctx.handle], &ctx); - ctx.handle = drm_alloc_queue(dev); - } - drm_init_queue(dev, dev->queuelist[ctx.handle], &ctx); - DRM_DEBUG("%d\n", ctx.handle); - if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int drm_modctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - drm_queue_t *q; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - - DRM_DEBUG("%d\n", ctx.handle); - - if (ctx.handle < 0 || ctx.handle >= dev->queue_count) return -EINVAL; - q = dev->queuelist[ctx.handle]; - - atomic_inc(&q->use_count); - if (atomic_read(&q->use_count) == 1) { - /* No longer in use */ - atomic_dec(&q->use_count); - return -EINVAL; - } - - if (DRM_BUFCOUNT(&q->waitlist)) { - atomic_dec(&q->use_count); - return -EBUSY; - } - - q->flags = ctx.flags; - - atomic_dec(&q->use_count); - return 0; -} - -int drm_getctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - drm_queue_t *q; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - - DRM_DEBUG("%d\n", ctx.handle); - - if (ctx.handle >= dev->queue_count) return -EINVAL; - q = dev->queuelist[ctx.handle]; - - atomic_inc(&q->use_count); - if (atomic_read(&q->use_count) == 1) { - /* No longer in use */ - atomic_dec(&q->use_count); - return -EINVAL; - } - - ctx.flags = q->flags; - atomic_dec(&q->use_count); - - if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) - return -EFAULT; - - return 0; -} - -int drm_switchctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - return drm_context_switch(dev, dev->last_context, ctx.handle); -} - -int drm_newctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - drm_context_switch_complete(dev, ctx.handle); - - return 0; -} - -int drm_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - drm_queue_t *q; - drm_buf_t *buf; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - - if (ctx.handle >= dev->queue_count) return -EINVAL; - q = dev->queuelist[ctx.handle]; - - atomic_inc(&q->use_count); - if (atomic_read(&q->use_count) == 1) { - /* No longer in use */ - atomic_dec(&q->use_count); - return -EINVAL; - } - - atomic_inc(&q->finalization); /* Mark queue in finalization state */ - atomic_sub(2, &q->use_count); /* Mark queue as unused (pending - finalization) */ - - while (test_and_set_bit(0, &dev->interrupt_flag)) { - schedule(); - if (signal_pending(current)) { - clear_bit(0, &dev->interrupt_flag); - return -EINTR; - } - } - /* Remove queued buffers */ - while ((buf = drm_waitlist_get(&q->waitlist))) { - drm_free_buffer(dev, buf); - } - clear_bit(0, &dev->interrupt_flag); - - /* Wakeup blocked processes */ - wake_up_interruptible(&q->read_queue); - wake_up_interruptible(&q->write_queue); - wake_up_interruptible(&q->flush_queue); - - /* Finalization over. Queue is made - available when both use_count and - finalization become 0, which won't - happen until all the waiting processes - stop waiting. */ - atomic_dec(&q->finalization); - return 0; -} diff --git a/linux/ctxbitmap.c b/linux/ctxbitmap.c deleted file mode 100644 index 61550597..00000000 --- a/linux/ctxbitmap.c +++ /dev/null @@ -1,85 +0,0 @@ -/* ctxbitmap.c -- Context bitmap management -*- linux-c -*- - * Created: Thu Jan 6 03:56:42 2000 by jhartmann@precisioninsight.com - * - * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Author: Jeff Hartmann <jhartmann@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" - -void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle) -{ - if (ctx_handle < 0) goto failed; - - if (ctx_handle < DRM_MAX_CTXBITMAP) { - clear_bit(ctx_handle, dev->ctx_bitmap); - return; - } -failed: - DRM_ERROR("Attempt to free invalid context handle: %d\n", - ctx_handle); - return; -} - -int drm_ctxbitmap_next(drm_device_t *dev) -{ - int bit; - - bit = find_first_zero_bit(dev->ctx_bitmap, DRM_MAX_CTXBITMAP); - if (bit < DRM_MAX_CTXBITMAP) { - set_bit(bit, dev->ctx_bitmap); - DRM_DEBUG("drm_ctxbitmap_next bit : %d\n", bit); - return bit; - } - return -1; -} - -int drm_ctxbitmap_init(drm_device_t *dev) -{ - int i; - int temp; - - dev->ctx_bitmap = (unsigned long *) drm_alloc(PAGE_SIZE, - DRM_MEM_CTXBITMAP); - if(dev->ctx_bitmap == NULL) { - return -ENOMEM; - } - memset((void *) dev->ctx_bitmap, 0, PAGE_SIZE); - for(i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - temp = drm_ctxbitmap_next(dev); - DRM_DEBUG("drm_ctxbitmap_init : %d\n", temp); - } - - return 0; -} - -void drm_ctxbitmap_cleanup(drm_device_t *dev) -{ - drm_free((void *)dev->ctx_bitmap, PAGE_SIZE, - DRM_MEM_CTXBITMAP); -} - diff --git a/linux/drm.h b/linux/drm.h index f657eab9..740c4cc7 100644 --- a/linux/drm.h +++ b/linux/drm.h @@ -19,10 +19,10 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> @@ -35,6 +35,7 @@ #ifndef _DRM_H_ #define _DRM_H_ +#include <linux/config.h> #if defined(__linux__) #include <asm/ioctl.h> /* For _IO* macros */ #define DRM_IOCTL_NR(n) _IOC_NR(n) @@ -43,15 +44,8 @@ #define DRM_IOCTL_NR(n) ((n) & 0xff) #endif -#define DRM_PROC_DEVICES "/proc/devices" -#define DRM_PROC_MISC "/proc/misc" -#define DRM_PROC_DRM "/proc/drm" -#define DRM_DEV_DRM "/dev/drm" -#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) -#define DRM_DEV_UID 0 -#define DRM_DEV_GID 0 - - +#define DRM_MAJOR 226 +#define DRM_MAX_MINOR 15 #define DRM_NAME "drm" /* Name in kernel, /dev, and /proc */ #define DRM_MIN_ORDER 5 /* At least 2^5 bytes = 32 bytes */ #define DRM_MAX_ORDER 22 /* Up to 2^22 bytes = 4MB */ @@ -72,12 +66,20 @@ typedef unsigned int drm_magic_t; * XF86DRIClipRectRec in the server as well */ typedef struct drm_clip_rect { - unsigned short x1; - unsigned short y1; - unsigned short x2; - unsigned short y2; + unsigned short x1; + unsigned short y1; + unsigned short x2; + unsigned short y2; } drm_clip_rect_t; +typedef struct drm_tex_region { + unsigned char next; + unsigned char prev; + unsigned char in_use; + unsigned char padding; + unsigned int age; +} drm_tex_region_t; + /* Seperate include files for the i810/mga/r128 specific structures */ #include "mga_drm.h" #include "i810_drm.h" @@ -151,6 +153,44 @@ typedef struct drm_map { /* Private data */ } drm_map_t; +typedef struct drm_client { + int idx; /* Which client desired? */ + int auth; /* Is client authenticated? */ + unsigned long pid; /* Process id */ + unsigned long uid; /* User id */ + unsigned long magic; /* Magic */ + unsigned long iocs; /* Ioctl count */ +} drm_client_t; + +typedef enum { + _DRM_STAT_LOCK, + _DRM_STAT_OPENS, + _DRM_STAT_CLOSES, + _DRM_STAT_IOCTLS, + _DRM_STAT_LOCKS, + _DRM_STAT_UNLOCKS, + _DRM_STAT_VALUE, /* Generic value */ + _DRM_STAT_BYTE, /* Generic byte counter (1024bytes/K) */ + _DRM_STAT_COUNT, /* Generic non-byte counter (1000/k) */ + + _DRM_STAT_IRQ, /* IRQ */ + _DRM_STAT_PRIMARY, /* Primary DMA bytes */ + _DRM_STAT_SECONDARY, /* Secondary DMA bytes */ + _DRM_STAT_DMA, /* DMA */ + _DRM_STAT_SPECIAL, /* Special DMA (e.g., priority or polled) */ + _DRM_STAT_MISSED /* Missed DMA opportunity */ + + /* Add to the *END* of the list */ +} drm_stat_type_t; + +typedef struct drm_stats { + unsigned long count; + struct { + unsigned long value; + drm_stat_type_t type; + } data[15]; +} drm_stats_t; + typedef enum drm_lock_flags { _DRM_LOCK_READY = 0x01, /* Wait until hardware is ready for DMA */ _DRM_LOCK_QUIESCENT = 0x02, /* Wait until hardware quiescent */ @@ -316,6 +356,9 @@ typedef struct drm_scatter_gather { #define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm_unique_t) #define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, drm_auth_t) #define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, drm_irq_busid_t) +#define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, drm_map_t) +#define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, drm_client_t) +#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, drm_stats_t) #define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm_unique_t) #define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, drm_auth_t) @@ -355,17 +398,18 @@ typedef struct drm_scatter_gather { #define DRM_IOCTL_SG_ALLOC DRM_IOW( 0x38, drm_scatter_gather_t) #define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, drm_scatter_gather_t) -/* Mga specific ioctls */ +/* MGA specific ioctls */ #define DRM_IOCTL_MGA_INIT DRM_IOW( 0x40, drm_mga_init_t) -#define DRM_IOCTL_MGA_SWAP DRM_IOW( 0x41, drm_mga_swap_t) -#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x42, drm_mga_clear_t) -#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x43, drm_mga_iload_t) -#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x44, drm_mga_vertex_t) -#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x45, drm_lock_t ) +#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x41, drm_lock_t) +#define DRM_IOCTL_MGA_RESET DRM_IO( 0x42) +#define DRM_IOCTL_MGA_SWAP DRM_IO( 0x43) +#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x44, drm_mga_clear_t) +#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x45, drm_mga_vertex_t) #define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x46, drm_mga_indices_t) -#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x47, drm_mga_blit_t) +#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x47, drm_mga_iload_t) +#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x48, drm_mga_blit_t) -/* I810 specific ioctls */ +/* i810 specific ioctls */ #define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t) #define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t) #define DRM_IOCTL_I810_CLEAR DRM_IOW( 0x42, drm_i810_clear_t) diff --git a/linux/drmP.h b/linux/drmP.h index 187464a3..4032689a 100644 --- a/linux/drmP.h +++ b/linux/drmP.h @@ -11,22 +11,22 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #ifndef _DRM_P_H_ @@ -53,7 +53,7 @@ #include <linux/sched.h> #include <linux/smp_lock.h> /* For (un)lock_kernel */ #include <linux/mm.h> -#if defined(__alpha__) || defined(__powerpc__) +#ifdef __alpha__ #include <asm/pgtable.h> /* For pte_wrprotect */ #endif #include <asm/io.h> @@ -75,9 +75,43 @@ #endif #include "drm.h" +/* DRM template customization defaults + */ +#ifndef __HAVE_AGP +#define __HAVE_AGP 0 +#endif +#ifndef __HAVE_MTRR +#define __HAVE_MTRR 0 +#endif +#ifndef __HAVE_CTX_BITMAP +#define __HAVE_CTX_BITMAP 0 +#endif +#ifndef __HAVE_DMA +#define __HAVE_DMA 0 +#endif +#ifndef __HAVE_DMA_IRQ +#define __HAVE_DMA_IRQ 0 +#endif +#ifndef __HAVE_DMA_WAITLIST +#define __HAVE_DMA_WAITLIST 0 +#endif +#ifndef __HAVE_DMA_FREELIST +#define __HAVE_DMA_FREELIST 0 +#endif +#ifndef __HAVE_DMA_HISTOGRAM +#define __HAVE_DMA_HISTOGRAM 0 +#endif + +#define __REALLY_HAVE_AGP (__HAVE_AGP && (defined(CONFIG_AGP) || \ + defined(CONFIG_AGP_MODULE))) +#define __REALLY_HAVE_MTRR (__HAVE_MTRR && defined(CONFIG_MTRR)) + + +/* Begin the DRM... + */ + #define DRM_DEBUG_CODE 2 /* Include debugging code (if > 1, then also include looping detection. */ -#define DRM_DMA_HISTOGRAM 1 /* Make histogram of DMA latency. */ #define DRM_HASH_SIZE 16 /* Size of key hash table */ #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */ @@ -109,8 +143,7 @@ #define DRM_MEM_TOTALAGP 16 #define DRM_MEM_BOUNDAGP 17 #define DRM_MEM_CTXBITMAP 18 -#define DRM_MEM_SG 19 -#define DRM_MEM_SGLISTS 20 +#define DRM_MEM_STUB 19 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) @@ -250,58 +283,27 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, return old; } -#elif defined(__powerpc__) -extern void __cmpxchg_called_with_bad_pointer(void); -static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, - unsigned long new, int size) -{ - unsigned long prev; - - switch (size) { - case 4: - __asm__ __volatile__( - "sync;" - "0: lwarx %0,0,%1 ;" - " cmpl 0,%0,%3;" - " bne 1f;" - " stwcx. %2,0,%1;" - " bne- 0b;" - "1: " - "sync;" - : "=&r"(prev) - : "r"(ptr), "r"(new), "r"(old) - : "cr0", "memory"); - return prev; - } - __cmpxchg_called_with_bad_pointer(); - return old; -} - -#endif /* i386, powerpc & alpha */ - -#ifndef __alpha__ #define cmpxchg(ptr,o,n) \ ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o), \ (unsigned long)(n),sizeof(*(ptr)))) +#endif /* i386 & alpha */ #endif -#endif /* __HAVE_ARCH_CMPXCHG */ - /* Macros to make printk easier */ #define DRM_ERROR(fmt, arg...) \ printk(KERN_ERR "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg) #define DRM_MEM_ERROR(area, fmt, arg...) \ printk(KERN_ERR "[" DRM_NAME ":" __FUNCTION__ ":%s] *ERROR* " fmt , \ - drm_mem_stats[area].name , ##arg) + DRM(mem_stats)[area].name , ##arg) #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) #if DRM_DEBUG_CODE -#define DRM_DEBUG(fmt, arg...) \ - do { \ - if (drm_flags&DRM_FLAG_DEBUG) \ - printk(KERN_DEBUG \ - "[" DRM_NAME ":" __FUNCTION__ "] " fmt , \ - ##arg); \ +#define DRM_DEBUG(fmt, arg...) \ + do { \ + if ( DRM(flags) & DRM_FLAG_DEBUG ) \ + printk(KERN_DEBUG \ + "[" DRM_NAME ":" __FUNCTION__ "] " fmt , \ + ##arg); \ } while (0) #else #define DRM_DEBUG(fmt, arg...) do { } while (0) @@ -309,13 +311,34 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #define DRM_PROC_LIMIT (PAGE_SIZE-80) -#define DRM_PROC_PRINT(fmt, arg...) \ - len += sprintf(&buf[len], fmt , ##arg); \ - if (len > DRM_PROC_LIMIT) return len; +#define DRM_PROC_PRINT(fmt, arg...) \ + len += sprintf(&buf[len], fmt , ##arg); \ + if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } + +#define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ + len += sprintf(&buf[len], fmt , ##arg); \ + if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } + + /* Mapping helper macros */ +#define DRM_IOREMAP(map) \ + (map)->handle = DRM(ioremap)( (map)->offset, (map)->size ) -#define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ - len += sprintf(&buf[len], fmt , ##arg); \ - if (len > DRM_PROC_LIMIT) { ret; return len; } +#define DRM_IOREMAPFREE(map) \ + do { \ + if ( (map)->handle && (map)->size ) \ + DRM(ioremapfree)( (map)->handle, (map)->size ); \ + } while (0) + +#define DRM_FIND_MAP(map, o) \ + do { \ + int i; \ + for ( i = 0 ; i < dev->map_count ; i++ ) { \ + if ( dev->maplist[i]->offset == o ) { \ + map = dev->maplist[i]; \ + break; \ + } \ + } \ + } while (0) /* Internal types and structures */ #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) @@ -326,8 +349,8 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) -typedef int drm_ioctl_t(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +typedef int drm_ioctl_t( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); typedef struct drm_ioctl_desc { drm_ioctl_t *func; @@ -337,7 +360,7 @@ typedef struct drm_ioctl_desc { typedef struct drm_devstate { pid_t owner; /* X server pid holding x_lock */ - + } drm_devstate_t; typedef struct drm_magic_entry { @@ -398,14 +421,14 @@ typedef struct drm_buf { #define DRM_DMA_HISTOGRAM_NEXT(current) ((current)*10) typedef struct drm_histogram { atomic_t total; - + atomic_t queued_to_dispatched[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t dispatched_to_completed[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t completed_to_freed[DRM_DMA_HISTOGRAM_SLOTS]; - + atomic_t queued_to_completed[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t queued_to_freed[DRM_DMA_HISTOGRAM_SLOTS]; - + atomic_t dma[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t schedule[DRM_DMA_HISTOGRAM_SLOTS]; atomic_t ctx[DRM_DMA_HISTOGRAM_SLOTS]; @@ -429,7 +452,7 @@ typedef struct drm_freelist { int initialized; /* Freelist in use */ atomic_t count; /* Number of free buffers */ drm_buf_t *next; /* End pointer */ - + wait_queue_head_t waiting; /* Processes waiting on free bufs */ int low_mark; /* Low water mark */ int high_mark; /* High water mark */ @@ -475,9 +498,11 @@ typedef struct drm_queue { wait_queue_head_t read_queue; /* Processes waiting on block_read */ atomic_t block_write; /* Queue blocked for writes */ wait_queue_head_t write_queue; /* Processes waiting on block_write */ +#if 1 atomic_t total_queued; /* Total queued statistic */ atomic_t total_flushed;/* Total flushes statistic */ atomic_t total_locks; /* Total locks statistics */ +#endif drm_ctx_flags_t flags; /* Context preserving and 2D-only */ drm_waitlist_t waitlist; /* Pending buffers */ wait_queue_head_t flush_queue; /* Processes waiting until flush */ @@ -491,11 +516,12 @@ typedef struct drm_lock_data { } drm_lock_data_t; typedef struct drm_device_dma { +#if 0 /* Performance Counters */ atomic_t total_prio; /* Total DRM_DMA_PRIORITY */ atomic_t total_bytes; /* Total bytes DMA'd */ atomic_t total_dmas; /* Total DMA buffers dispatched */ - + atomic_t total_missed_dma; /* Missed drm_do_dma */ atomic_t total_missed_lock; /* Missed lock in drm_do_dma */ atomic_t total_missed_free; /* Missed drm_free_this_buffer */ @@ -504,17 +530,17 @@ typedef struct drm_device_dma { atomic_t total_tried; /* Tried next_buffer */ atomic_t total_hit; /* Sent next_buffer */ atomic_t total_lost; /* Lost interrupt */ +#endif drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; int buf_count; drm_buf_t **buflist; /* Vector of pointers info bufs */ - int seg_count; + int seg_count; int page_count; unsigned long *pagelist; unsigned long byte_count; enum { - _DRM_DMA_USE_AGP = 0x01, - _DRM_DMA_USE_SG = 0x02 + _DRM_DMA_USE_AGP = 0x01 } flags; /* DMA support */ @@ -524,7 +550,7 @@ typedef struct drm_device_dma { wait_queue_head_t waiting; /* Processes waiting on free bufs */ } drm_device_dma_t; -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) +#if __REALLY_HAVE_AGP typedef struct drm_agp_mem { unsigned long handle; agp_memory *memory; @@ -546,13 +572,6 @@ typedef struct drm_agp_head { } drm_agp_head_t; #endif -typedef struct drm_sg_mem { - unsigned long handle; - void *virtual; - int pages; - struct page **pagelist; -} drm_sg_mem_t; - typedef struct drm_sigdata { int context; drm_hw_lock_t *lock; @@ -564,7 +583,7 @@ typedef struct drm_device { int unique_len; /* Length of unique field */ dev_t device; /* Device number for mknod */ char *devname; /* For /proc/interrupts */ - + int blocked; /* Blocked due to VC switch? */ struct proc_dir_entry *root; /* Root for this device's entries */ @@ -579,17 +598,10 @@ typedef struct drm_device { int buf_use; /* Buffers in use -- cannot alloc */ atomic_t buf_alloc; /* Buffer allocation in progress */ - /* Performance Counters */ - atomic_t total_open; - atomic_t total_close; - atomic_t total_ioctl; - atomic_t total_irq; /* Total interruptions */ - atomic_t total_ctx; /* Total context switches */ - - atomic_t total_locks; - atomic_t total_unlocks; - atomic_t total_contends; - atomic_t total_sleeps; + /* Performance counters */ + unsigned long counters; + drm_stat_type_t types[15]; + atomic_t counts[15]; /* Authentication */ drm_file_t *file_first; @@ -623,10 +635,10 @@ typedef struct drm_device { struct tq_struct tq; cycles_t ctx_start; cycles_t lck_start; -#if DRM_DMA_HISTOGRAM +#if __HAVE_DMA_HISTOGRAM drm_histogram_t histo; #endif - + /* Callback to X server for context switch and for heavy-handed reset. */ char buf[DRM_BSZ]; /* Output buffer */ @@ -636,11 +648,10 @@ typedef struct drm_device { struct fasync_struct *buf_async;/* Processes waiting for SIGIO */ wait_queue_head_t buf_readers; /* Processes waiting to read */ wait_queue_head_t buf_writers; /* Processes waiting to ctx switch */ - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) + +#if __REALLY_HAVE_AGP drm_agp_head_t *agp; #endif - drm_sg_mem_t *sg; /* Scatter / gather memory */ unsigned long *ctx_bitmap; void *dev_private; drm_sigdata_t sigdata; /* For block_all_signals */ @@ -648,246 +659,276 @@ typedef struct drm_device { } drm_device_t; - /* Internal function definitions */ - - /* Misc. support (init.c) */ -extern int drm_flags; -extern void drm_parse_options(char *s); -extern int drm_cpu_valid(void); +/* ================================================================ + * Internal function definitions + */ + /* Misc. support (drm_init.h) */ +extern int DRM(flags); +extern void DRM(parse_options)( char *s ); +extern int DRM(cpu_valid)( void ); - /* Device support (fops.c) */ -extern int drm_open_helper(struct inode *inode, struct file *filp, - drm_device_t *dev); -extern int drm_flush(struct file *filp); -extern int drm_release(struct inode *inode, struct file *filp); -extern int drm_fasync(int fd, struct file *filp, int on); -extern ssize_t drm_read(struct file *filp, char *buf, size_t count, - loff_t *off); -extern int drm_write_string(drm_device_t *dev, const char *s); -extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); + /* Driver support (drm_drv.h) */ +extern int DRM(version)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(open)(struct inode *inode, struct file *filp); +extern int DRM(release)(struct inode *inode, struct file *filp); +extern int DRM(ioctl)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(lock)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(unlock)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); - /* Mapping support (vm.c) */ + /* Device support (drm_fops.h) */ +extern int DRM(open_helper)(struct inode *inode, struct file *filp, + drm_device_t *dev); +extern int DRM(flush)(struct file *filp); +extern int DRM(release_fuck)(struct inode *inode, struct file *filp); +extern int DRM(fasync)(int fd, struct file *filp, int on); +extern ssize_t DRM(read)(struct file *filp, char *buf, size_t count, + loff_t *off); +extern int DRM(write_string)(drm_device_t *dev, const char *s); +extern unsigned int DRM(poll)(struct file *filp, + struct poll_table_struct *wait); + + /* Mapping support (drm_vm.h) */ #if LINUX_VERSION_CODE < 0x020317 -extern unsigned long drm_vm_nopage(struct vm_area_struct *vma, +extern unsigned long DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +extern unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access); +#else + /* Return type changed in 2.3.23 */ +extern struct page *DRM(vm_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma, +extern struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_shm_nopage_lock(struct vm_area_struct *vma, +extern struct page *DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma, +extern struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, unsigned long address, int write_access); -extern unsigned long drm_vm_sg_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -#else - /* Return type changed in 2.3.23 */ -extern struct page *drm_vm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -extern struct page *drm_vm_sg_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access); -#endif -extern void drm_vm_open(struct vm_area_struct *vma); -extern void drm_vm_close(struct vm_area_struct *vma); -extern int drm_mmap_dma(struct file *filp, - struct vm_area_struct *vma); -extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); - - - /* Proc support (proc.c) */ -extern int drm_proc_init(drm_device_t *dev); -extern int drm_proc_cleanup(void); - - /* Memory management support (memory.c) */ -extern void drm_mem_init(void); -extern int drm_mem_info(char *buf, char **start, off_t offset, - int len, int *eof, void *data); -extern void *drm_alloc(size_t size, int area); -extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, - int area); -extern char *drm_strdup(const char *s, int area); -extern void drm_strfree(const char *s, int area); -extern void drm_free(void *pt, size_t size, int area); -extern unsigned long drm_alloc_pages(int order, int area); -extern void drm_free_pages(unsigned long address, int order, - int area); -extern void *drm_ioremap(unsigned long offset, unsigned long size); -extern void drm_ioremapfree(void *pt, unsigned long size); - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) -extern agp_memory *drm_alloc_agp(int pages, u32 type); -extern int drm_free_agp(agp_memory *handle, int pages); -extern int drm_bind_agp(agp_memory *handle, unsigned int start); -extern int drm_unbind_agp(agp_memory *handle); +#endif +extern void DRM(vm_open)(struct vm_area_struct *vma); +extern void DRM(vm_close)(struct vm_area_struct *vma); +extern int DRM(mmap_dma)(struct file *filp, + struct vm_area_struct *vma); +extern int DRM(mmap)(struct file *filp, struct vm_area_struct *vma); + + /* Memory management support (drm_memory.h) */ +extern void DRM(mem_init)(void); +extern int DRM(mem_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +extern void *DRM(alloc)(size_t size, int area); +extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, + int area); +extern char *DRM(strdup)(const char *s, int area); +extern void DRM(strfree)(const char *s, int area); +extern void DRM(free)(void *pt, size_t size, int area); +extern unsigned long DRM(alloc_pages)(int order, int area); +extern void DRM(free_pages)(unsigned long address, int order, + int area); +extern void *DRM(ioremap)(unsigned long offset, unsigned long size); +extern void DRM(ioremapfree)(void *pt, unsigned long size); + +#if __REALLY_HAVE_AGP +extern agp_memory *DRM(alloc_agp)(int pages, u32 type); +extern int DRM(free_agp)(agp_memory *handle, int pages); +extern int DRM(bind_agp)(agp_memory *handle, unsigned int start); +extern int DRM(unbind_agp)(agp_memory *handle); #endif - - /* Buffer management support (bufs.c) */ -extern int drm_order(unsigned long size); -extern int drm_addmap(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_addbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_infobufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_markbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_freebufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_mapbufs(struct inode *inode, struct file *filp, + /* Misc. IOCTL support (drm_ioctl.h) */ +extern int DRM(irq_busid)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(getunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(setunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(getmap)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); +extern int DRM(getclient)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(getstats)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); - - /* Buffer list management support (lists.c) */ -extern int drm_waitlist_create(drm_waitlist_t *bl, int count); -extern int drm_waitlist_destroy(drm_waitlist_t *bl); -extern int drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf); -extern drm_buf_t *drm_waitlist_get(drm_waitlist_t *bl); - -extern int drm_freelist_create(drm_freelist_t *bl, int count); -extern int drm_freelist_destroy(drm_freelist_t *bl); -extern int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, - drm_buf_t *buf); -extern drm_buf_t *drm_freelist_get(drm_freelist_t *bl, int block); - - /* DMA support (gen_dma.c) */ -extern void drm_dma_setup(drm_device_t *dev); -extern void drm_dma_takedown(drm_device_t *dev); -extern void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); -extern void drm_reclaim_buffers(drm_device_t *dev, pid_t pid); -extern int drm_context_switch(drm_device_t *dev, int old, int new); -extern int drm_context_switch_complete(drm_device_t *dev, int new); -extern void drm_clear_next_buffer(drm_device_t *dev); -extern int drm_select_queue(drm_device_t *dev, - void (*wrapper)(unsigned long)); -extern int drm_dma_enqueue(drm_device_t *dev, drm_dma_t *dma); -extern int drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma); -#if DRM_DMA_HISTOGRAM -extern int drm_histogram_slot(unsigned long count); -extern void drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf); + /* Context IOCTL support (drm_context.h) */ +extern int DRM(resctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(addctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(modctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(getctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(switchctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(newctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(rmctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + +extern int DRM(context_switch)(drm_device_t *dev, int old, int new); +extern int DRM(context_switch_complete)(drm_device_t *dev, int new); + +#if __HAVE_CTX_BITMAP +extern int DRM(ctxbitmap_init)( drm_device_t *dev ); +extern void DRM(ctxbitmap_cleanup)( drm_device_t *dev ); #endif - - /* Misc. IOCTL support (ioctl.c) */ -extern int drm_irq_busid(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_getunique(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_setunique(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); + /* Drawable IOCTL support (drm_drawable.h) */ +extern int DRM(adddraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(rmdraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); - /* Context IOCTL support (context.c) */ -extern int drm_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_getctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_switchctx(struct inode *inode, struct file *filp, + /* Authentication IOCTL support (drm_auth.h) */ +extern int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, + drm_magic_t magic); +extern int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic); +extern int DRM(getmagic)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +extern int DRM(authmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); - /* Drawable IOCTL support (drawable.c) */ -extern int drm_adddraw(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_rmdraw(struct inode *inode, struct file *filp, + /* Locking IOCTL support (drm_lock.h) */ +extern int DRM(block)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); - - - /* Authentication IOCTL support (auth.c) */ -extern int drm_add_magic(drm_device_t *dev, drm_file_t *priv, - drm_magic_t magic); -extern int drm_remove_magic(drm_device_t *dev, drm_magic_t magic); -extern int drm_getmagic(struct inode *inode, struct file *filp, +extern int DRM(unblock)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_authmagic(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - - /* Locking IOCTL support (lock.c) */ -extern int drm_block(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_unblock(struct inode *inode, struct file *filp, +extern int DRM(lock_take)(__volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(lock_transfer)(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(lock_free)(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); +extern int DRM(finish)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_lock_take(__volatile__ unsigned int *lock, - unsigned int context); -extern int drm_lock_transfer(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); -extern int drm_lock_free(drm_device_t *dev, - __volatile__ unsigned int *lock, - unsigned int context); -extern int drm_finish(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_flush_unblock(drm_device_t *dev, int context, - drm_lock_flags_t flags); -extern int drm_flush_block_and_flush(drm_device_t *dev, int context, - drm_lock_flags_t flags); -extern int drm_notifier(void *priv); - - /* Context Bitmap support (ctxbitmap.c) */ -extern int drm_ctxbitmap_init(drm_device_t *dev); -extern void drm_ctxbitmap_cleanup(drm_device_t *dev); -extern int drm_ctxbitmap_next(drm_device_t *dev); -extern void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle); +extern int DRM(flush_unblock)(drm_device_t *dev, int context, + drm_lock_flags_t flags); +extern int DRM(flush_block_and_flush)(drm_device_t *dev, int context, + drm_lock_flags_t flags); +extern int DRM(notifier)(void *priv); + + /* Buffer management support (drm_bufs.h) */ +extern int DRM(order)( unsigned long size ); +extern int DRM(addmap)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +#if __HAVE_DMA +extern int DRM(addbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(infobufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(markbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(freebufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(mapbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + + /* DMA support (drm_dma.h) */ +extern int DRM(dma_setup)(drm_device_t *dev); +extern void DRM(dma_takedown)(drm_device_t *dev); +extern void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf); +extern void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid); +#if __HAVE_OLD_DMA +/* GH: This is a dirty hack for now... + */ +extern void DRM(clear_next_buffer)(drm_device_t *dev); +extern int DRM(select_queue)(drm_device_t *dev, + void (*wrapper)(unsigned long)); +extern int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *dma); +extern int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma); +#endif +#if __HAVE_DMA_IRQ +extern int DRM(control)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int DRM(irq_install)( drm_device_t *dev, int irq ); +extern int DRM(irq_uninstall)( drm_device_t *dev ); +extern void DRM(dma_service)( int irq, void *device, + struct pt_regs *regs ); +#if __HAVE_DMA_IRQ_BH +extern void DRM(dma_immediate_bh)( void *dev ); +#endif +#endif +#if DRM_DMA_HISTOGRAM +extern int DRM(histogram_slot)(unsigned long count); +extern void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf); +#endif -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - /* AGP/GART support (agpsupport.c) */ -extern drm_agp_head_t *drm_agp_init(void); -extern void drm_agp_uninit(void); -extern int drm_agp_acquire(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern void _drm_agp_release(void); -extern int drm_agp_release(struct inode *inode, struct file *filp, + /* Buffer list support (drm_lists.h) */ +#if __HAVE_DMA_WAITLIST +extern int DRM(waitlist_create)(drm_waitlist_t *bl, int count); +extern int DRM(waitlist_destroy)(drm_waitlist_t *bl); +extern int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf); +extern drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl); +#endif +#if __HAVE_DMA_FREELIST +extern int DRM(freelist_create)(drm_freelist_t *bl, int count); +extern int DRM(freelist_destroy)(drm_freelist_t *bl); +extern int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl, + drm_buf_t *buf); +extern drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block); +#endif +#endif /* __HAVE_DMA */ + +#if __REALLY_HAVE_AGP + /* AGP/GART support (drm_agpsupport.h) */ +extern drm_agp_head_t *DRM(agp_init)(void); +extern void DRM(agp_uninit)(void); +extern int DRM(agp_acquire)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern void DRM(agp_do_release)(void); +extern int DRM(agp_release)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_enable)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_enable(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_info(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_alloc(struct inode *inode, struct file *filp, +extern int DRM(agp_info)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_free(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_agp_unbind(struct inode *inode, struct file *filp, +extern int DRM(agp_alloc)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int drm_agp_bind(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern agp_memory *drm_agp_allocate_memory(size_t pages, u32 type); -extern int drm_agp_free_memory(agp_memory *handle); -extern int drm_agp_bind_memory(agp_memory *handle, off_t start); -extern int drm_agp_unbind_memory(agp_memory *handle); +extern int DRM(agp_free)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_unbind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(agp_bind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type); +extern int DRM(agp_free_memory)(agp_memory *handle); +extern int DRM(agp_bind_memory)(agp_memory *handle, off_t start); +extern int DRM(agp_unbind_memory)(agp_memory *handle); #endif - /* Scatter/gather memory supprt (scatter.c) */ -extern int drm_sg_alloc(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int drm_sg_free(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern void drm_sg_cleanup(drm_sg_mem_t *entry); - -#define page_to_pfn( page ) ((unsigned long)((page)-mem_map)) - -#endif + /* Stub support (drm_stub.h) */ +int DRM(stub_register)(const char *name, + struct file_operations *fops, + drm_device_t *dev); +int DRM(stub_unregister)(int minor); + + /* Proc support (drm_proc.h) */ +extern struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev, + int minor, + struct proc_dir_entry *root, + struct proc_dir_entry **dev_root); +extern int DRM(proc_cleanup)(int minor, + struct proc_dir_entry *root, + struct proc_dir_entry *dev_root); + +#endif /* __KERNEL__ */ #endif diff --git a/linux/drm_agpsupport.h b/linux/drm_agpsupport.h new file mode 100644 index 00000000..b070a59e --- /dev/null +++ b/linux/drm_agpsupport.h @@ -0,0 +1,335 @@ +/* drm_agpsupport.h -- DRM support for AGP/GART backend -*- linux-c -*- + * Created: Mon Dec 13 09:56:45 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Author: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" +#include <linux/module.h> + +#if __REALLY_HAVE_AGP + +#if LINUX_VERSION_CODE < 0x020400 +#include "agpsupport-pre24.h" +#else +#define DRM_AGP_GET (drm_agp_t *)inter_module_get("drm_agp") +#define DRM_AGP_PUT inter_module_put("drm_agp") +#endif + +static const drm_agp_t *drm_agp = NULL; + +int DRM(agp_info)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + agp_kern_info *kern; + drm_agp_info_t info; + + if (!dev->agp->acquired || !drm_agp->copy_info) return -EINVAL; + + kern = &dev->agp->agp_info; + info.agp_version_major = kern->version.major; + info.agp_version_minor = kern->version.minor; + info.mode = kern->mode; + info.aperture_base = kern->aper_base; + info.aperture_size = kern->aper_size * 1024 * 1024; + info.memory_allowed = kern->max_memory << PAGE_SHIFT; + info.memory_used = kern->current_memory << PAGE_SHIFT; + info.id_vendor = kern->device->vendor; + info.id_device = kern->device->device; + + if (copy_to_user((drm_agp_info_t *)arg, &info, sizeof(info))) + return -EFAULT; + return 0; +} + +int DRM(agp_acquire)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int retcode; + + if (dev->agp->acquired || !drm_agp->acquire) return -EINVAL; + if ((retcode = drm_agp->acquire())) return retcode; + dev->agp->acquired = 1; + return 0; +} + +int DRM(agp_release)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + if (!dev->agp->acquired || !drm_agp->release) return -EINVAL; + drm_agp->release(); + dev->agp->acquired = 0; + return 0; + +} + +void DRM(agp_do_release)(void) +{ + if (drm_agp->release) drm_agp->release(); +} + +int DRM(agp_enable)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_mode_t mode; + + if (!dev->agp->acquired || !drm_agp->enable) return -EINVAL; + + if (copy_from_user(&mode, (drm_agp_mode_t *)arg, sizeof(mode))) + return -EFAULT; + + dev->agp->mode = mode.mode; + drm_agp->enable(mode.mode); + dev->agp->base = dev->agp->agp_info.aper_base; + dev->agp->enabled = 1; + return 0; +} + +int DRM(agp_alloc)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_buffer_t request; + drm_agp_mem_t *entry; + agp_memory *memory; + unsigned long pages; + u32 type; + + if (!dev->agp->acquired) return -EINVAL; + if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = DRM(alloc)(sizeof(*entry), DRM_MEM_AGPLISTS))) + return -ENOMEM; + + memset(entry, 0, sizeof(*entry)); + + pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; + type = (u32) request.type; + + if (!(memory = DRM(alloc_agp)(pages, type))) { + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return -ENOMEM; + } + + entry->handle = (unsigned long)memory->memory; + entry->memory = memory; + entry->bound = 0; + entry->pages = pages; + entry->prev = NULL; + entry->next = dev->agp->memory; + if (dev->agp->memory) dev->agp->memory->prev = entry; + dev->agp->memory = entry; + + request.handle = entry->handle; + request.physical = memory->physical; + + if (copy_to_user((drm_agp_buffer_t *)arg, &request, sizeof(request))) { + dev->agp->memory = entry->next; + dev->agp->memory->prev = NULL; + DRM(free_agp)(memory, pages); + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return -EFAULT; + } + return 0; +} + +static drm_agp_mem_t *DRM(agp_lookup_entry)(drm_device_t *dev, + unsigned long handle) +{ + drm_agp_mem_t *entry; + + for (entry = dev->agp->memory; entry; entry = entry->next) { + if (entry->handle == handle) return entry; + } + return NULL; +} + +int DRM(agp_unbind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_binding_t request; + drm_agp_mem_t *entry; + + if (!dev->agp->acquired) return -EINVAL; + if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) + return -EINVAL; + if (!entry->bound) return -EINVAL; + return DRM(unbind_agp)(entry->memory); +} + +int DRM(agp_bind)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_binding_t request; + drm_agp_mem_t *entry; + int retcode; + int page; + + if (!dev->agp->acquired || !drm_agp->bind_memory) return -EINVAL; + if (copy_from_user(&request, (drm_agp_binding_t *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) + return -EINVAL; + if (entry->bound) return -EINVAL; + page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE; + if ((retcode = DRM(bind_agp)(entry->memory, page))) return retcode; + entry->bound = dev->agp->base + (page << PAGE_SHIFT); + DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n", + dev->agp->base, entry->bound); + return 0; +} + +int DRM(agp_free)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_agp_buffer_t request; + drm_agp_mem_t *entry; + + if (!dev->agp->acquired) return -EINVAL; + if (copy_from_user(&request, (drm_agp_buffer_t *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = DRM(agp_lookup_entry)(dev, request.handle))) + return -EINVAL; + if (entry->bound) DRM(unbind_agp)(entry->memory); + + if (entry->prev) entry->prev->next = entry->next; + else dev->agp->memory = entry->next; + if (entry->next) entry->next->prev = entry->prev; + DRM(free_agp)(entry->memory, entry->pages); + DRM(free)(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return 0; +} + +drm_agp_head_t *DRM(agp_init)(void) +{ + drm_agp_head_t *head = NULL; + + drm_agp = DRM_AGP_GET; + if (drm_agp) { + if (!(head = DRM(alloc)(sizeof(*head), DRM_MEM_AGPLISTS))) + return NULL; + memset((void *)head, 0, sizeof(*head)); + drm_agp->copy_info(&head->agp_info); + if (head->agp_info.chipset == NOT_SUPPORTED) { + DRM(free)(head, sizeof(*head), DRM_MEM_AGPLISTS); + return NULL; + } + head->memory = NULL; + switch (head->agp_info.chipset) { + case INTEL_GENERIC: head->chipset = "Intel"; break; + case INTEL_LX: head->chipset = "Intel 440LX"; break; + case INTEL_BX: head->chipset = "Intel 440BX"; break; + case INTEL_GX: head->chipset = "Intel 440GX"; break; + case INTEL_I810: head->chipset = "Intel i810"; break; + +#if LINUX_VERSION_CODE >= 0x020400 + case INTEL_I840: head->chipset = "Intel i840"; break; +#endif + + case VIA_GENERIC: head->chipset = "VIA"; break; + case VIA_VP3: head->chipset = "VIA VP3"; break; + case VIA_MVP3: head->chipset = "VIA MVP3"; break; + +#if LINUX_VERSION_CODE >= 0x020400 + case VIA_MVP4: head->chipset = "VIA MVP4"; break; + case VIA_APOLLO_KX133: head->chipset = "VIA Apollo KX133"; + break; + case VIA_APOLLO_KT133: head->chipset = "VIA Apollo KT133"; + break; +#endif + + case VIA_APOLLO_PRO: head->chipset = "VIA Apollo Pro"; + break; + case SIS_GENERIC: head->chipset = "SiS"; break; + case AMD_GENERIC: head->chipset = "AMD"; break; + case AMD_IRONGATE: head->chipset = "AMD Irongate"; break; + case ALI_GENERIC: head->chipset = "ALi"; break; + case ALI_M1541: head->chipset = "ALi M1541"; break; + default: head->chipset = "Unknown"; break; + } + DRM_INFO("AGP %d.%d on %s @ 0x%08lx %ZuMB\n", + head->agp_info.version.major, + head->agp_info.version.minor, + head->chipset, + head->agp_info.aper_base, + head->agp_info.aper_size); + } + return head; +} + +void DRM(agp_uninit)(void) +{ + DRM_AGP_PUT; + drm_agp = NULL; +} + +agp_memory *DRM(agp_allocate_memory)(size_t pages, u32 type) +{ + if (!drm_agp->allocate_memory) return NULL; + return drm_agp->allocate_memory(pages, type); +} + +int DRM(agp_free_memory)(agp_memory *handle) +{ + if (!handle || !drm_agp->free_memory) return 0; + drm_agp->free_memory(handle); + return 1; +} + +int DRM(agp_bind_memory)(agp_memory *handle, off_t start) +{ + if (!handle || !drm_agp->bind_memory) return -EINVAL; + return drm_agp->bind_memory(handle, start); +} + +int DRM(agp_unbind_memory)(agp_memory *handle) +{ + if (!handle || !drm_agp->unbind_memory) return -EINVAL; + return drm_agp->unbind_memory(handle); +} + +#endif /* __REALLY_HAVE_AGP */ diff --git a/linux/drm_auth.h b/linux/drm_auth.h new file mode 100644 index 00000000..2636e617 --- /dev/null +++ b/linux/drm_auth.h @@ -0,0 +1,162 @@ +/* drm_auth.h -- IOCTLs for authentication -*- linux-c -*- + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +static int DRM(hash_magic)(drm_magic_t magic) +{ + return magic & (DRM_HASH_SIZE-1); +} + +static drm_file_t *DRM(find_file)(drm_device_t *dev, drm_magic_t magic) +{ + drm_file_t *retval = NULL; + drm_magic_entry_t *pt; + int hash = DRM(hash_magic)(magic); + + down(&dev->struct_sem); + for (pt = dev->magiclist[hash].head; pt; pt = pt->next) { + if (pt->magic == magic) { + retval = pt->priv; + break; + } + } + up(&dev->struct_sem); + return retval; +} + +int DRM(add_magic)(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic) +{ + int hash; + drm_magic_entry_t *entry; + + DRM_DEBUG("%d\n", magic); + + hash = DRM(hash_magic)(magic); + entry = DRM(alloc)(sizeof(*entry), DRM_MEM_MAGIC); + if (!entry) return -ENOMEM; + entry->magic = magic; + entry->priv = priv; + entry->next = NULL; + + down(&dev->struct_sem); + if (dev->magiclist[hash].tail) { + dev->magiclist[hash].tail->next = entry; + dev->magiclist[hash].tail = entry; + } else { + dev->magiclist[hash].head = entry; + dev->magiclist[hash].tail = entry; + } + up(&dev->struct_sem); + + return 0; +} + +int DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic) +{ + drm_magic_entry_t *prev = NULL; + drm_magic_entry_t *pt; + int hash; + + DRM_DEBUG("%d\n", magic); + hash = DRM(hash_magic)(magic); + + down(&dev->struct_sem); + for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) { + if (pt->magic == magic) { + if (dev->magiclist[hash].head == pt) { + dev->magiclist[hash].head = pt->next; + } + if (dev->magiclist[hash].tail == pt) { + dev->magiclist[hash].tail = prev; + } + if (prev) { + prev->next = pt->next; + } + up(&dev->struct_sem); + return 0; + } + } + up(&dev->struct_sem); + + DRM(free)(pt, sizeof(*pt), DRM_MEM_MAGIC); + + return -EINVAL; +} + +int DRM(getmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + static drm_magic_t sequence = 0; + static spinlock_t lock = SPIN_LOCK_UNLOCKED; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_auth_t auth; + + /* Find unique magic */ + if (priv->magic) { + auth.magic = priv->magic; + } else { + do { + spin_lock(&lock); + if (!sequence) ++sequence; /* reserve 0 */ + auth.magic = sequence++; + spin_unlock(&lock); + } while (DRM(find_file)(dev, auth.magic)); + priv->magic = auth.magic; + DRM(add_magic)(dev, priv, auth.magic); + } + + DRM_DEBUG("%u\n", auth.magic); + if (copy_to_user((drm_auth_t *)arg, &auth, sizeof(auth))) + return -EFAULT; + return 0; +} + +int DRM(authmagic)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_auth_t auth; + drm_file_t *file; + + if (copy_from_user(&auth, (drm_auth_t *)arg, sizeof(auth))) + return -EFAULT; + DRM_DEBUG("%u\n", auth.magic); + if ((file = DRM(find_file)(dev, auth.magic))) { + file->authenticated = 1; + DRM(remove_magic)(dev, auth.magic); + return 0; + } + return -EINVAL; +} diff --git a/linux/drm_bufs.h b/linux/drm_bufs.h new file mode 100644 index 00000000..38ea1ff0 --- /dev/null +++ b/linux/drm_bufs.h @@ -0,0 +1,747 @@ +/* drm_bufs.h -- Generic buffer template -*- linux-c -*- + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +#ifndef __HAVE_PCI_DMA +#define __HAVE_PCI_DMA 0 +#endif + +#ifndef DRIVER_BUF_PRIV_T +#define DRIVER_BUF_PRIV_T u32 +#endif +#ifndef DRIVER_AGP_BUFFERS_MAP +#if __HAVE_AGP && __HAVE_DMA +#error "You must define DRIVER_AGP_BUFFERS_MAP()" +#else +#define DRIVER_AGP_BUFFERS_MAP( dev ) NULL +#endif +#endif + +/* + * Compute order. Can be made faster. + */ +int DRM(order)( unsigned long size ) +{ + int order; + unsigned long tmp; + + for ( order = 0, tmp = size ; tmp >>= 1 ; ++order ); + + if ( size & ~(1 << order) ) + ++order; + + return order; +} + +int DRM(addmap)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_map_t *map; + + if ( !(filp->f_mode & 3) ) return -EACCES; /* Require read/write */ + + map = DRM(alloc)( sizeof(*map), DRM_MEM_MAPS ); + if ( !map ) + return -ENOMEM; + + if ( copy_from_user( map, (drm_map_t *)arg, sizeof(*map) ) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EFAULT; + } + + DRM_DEBUG( "offset = 0x%08lx, size = 0x%08lx, type = %d\n", + map->offset, map->size, map->type ); + if ( (map->offset & (~PAGE_MASK)) || (map->size & (~PAGE_MASK)) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + map->mtrr = -1; + map->handle = 0; + + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#ifndef __sparc__ + if ( map->offset + map->size < map->offset || + map->offset < virt_to_phys(high_memory) ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } +#endif +#ifdef CONFIG_MTRR + if ( map->type == _DRM_FRAME_BUFFER || + (map->flags & _DRM_WRITE_COMBINING) ) { + map->mtrr = mtrr_add( map->offset, map->size, + MTRR_TYPE_WRCOMB, 1 ); + } +#endif + map->handle = DRM(ioremap)( map->offset, map->size ); + break; + + case _DRM_SHM: + map->handle = (void *)DRM(alloc_pages)( DRM(order)( map->size ) + - PAGE_SHIFT, + DRM_MEM_SAREA ); + DRM_DEBUG( "%ld %d %p\n", + map->size, DRM(order)( map->size ), map->handle ); + if ( !map->handle ) { + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -ENOMEM; + } + map->offset = (unsigned long)map->handle; + if ( map->flags & _DRM_CONTAINS_LOCK ) { + dev->lock.hw_lock = map->handle; /* Pointer to lock */ + } + break; +#if __REALLY_HAVE_AGP + case _DRM_AGP: + map->offset = map->offset + dev->agp->base; + break; +#endif + default: + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + + down( &dev->struct_sem ); + if ( dev->maplist ) { + ++dev->map_count; + dev->maplist = DRM(realloc)( dev->maplist, + (dev->map_count-1) + * sizeof(*dev->maplist), + dev->map_count + * sizeof(*dev->maplist), + DRM_MEM_MAPS ); + } else { + dev->map_count = 1; + dev->maplist = DRM(alloc)( dev->map_count*sizeof(*dev->maplist), + DRM_MEM_MAPS ); + } + dev->maplist[dev->map_count-1] = map; + up( &dev->struct_sem ); + + if ( copy_to_user( (drm_map_t *)arg, map, sizeof(*map) ) ) + return -EFAULT; + if ( map->type != _DRM_SHM ) { + if ( copy_to_user( &((drm_map_t *)arg)->handle, + &map->offset, + sizeof(map->offset) ) ) + return -EFAULT; + } + return 0; +} + +#if __HAVE_DMA + +#if __REALLY_HAVE_AGP +int DRM(addbufs_agp)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + drm_buf_entry_t *entry; + drm_buf_t *buf; + unsigned long offset; + unsigned long agp_offset; + int count; + int order; + int size; + int alignment; + int page_order; + int total; + int byte_count; + int i; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = DRM(order)( request.size ); + size = 1 << order; + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + byte_count = 0; + agp_offset = dev->agp->base + request.agp_start; + + DRM_DEBUG( "count: %d\n", count ); + DRM_DEBUG( "order: %d\n", order ); + DRM_DEBUG( "size: %d\n", size ); + DRM_DEBUG( "agp_offset: %ld\n", agp_offset ); + DRM_DEBUG( "alignment: %d\n", alignment ); + DRM_DEBUG( "page_order: %d\n", page_order ); + DRM_DEBUG( "total: %d\n", total ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->buf_size = size; + entry->page_order = page_order; + + offset = 0; + + while ( entry->buf_count < count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + + buf->offset = (dma->byte_count + offset); + buf->bus_address = agp_offset + offset; + buf->address = (void *)(agp_offset + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->pid = 0; + + buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T); + buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T), + DRM_MEM_BUFS ); + memset( buf->dev_private, 0, buf->dev_priv_size ); + +#if __HAVE_DMA_HISTOGRAM + buf->time_queued = 0; + buf->time_dispatched = 0; + buf->time_completed = 0; + buf->time_freed = 0; +#endif + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + + offset += alignment; + entry->buf_count++; + byte_count += PAGE_SIZE << page_order; + } + + DRM_DEBUG( "byte_count: %d\n", byte_count ); + + dma->buflist = DRM(realloc)( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->byte_count += byte_count; + + DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); + DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); + +#if __HAVE_DMA_FREELIST + DRM(freelist_create)( &entry->freelist, entry->buf_count ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] ); + } +#endif + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( (drm_buf_desc_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + dma->flags = _DRM_DMA_USE_AGP; + + atomic_dec( &dev->buf_alloc ); + return 0; +} +#endif /* __REALLY_HAVE_AGP */ + +#if __HAVE_PCI_DMA +int DRM(addbufs_pci)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int count; + int order; + int size; + int total; + int page_order; + drm_buf_entry_t *entry; + unsigned long page; + drm_buf_t *buf; + int alignment; + unsigned long offset; + int i; + int byte_count; + int page_count; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = DRM(order)( request.size ); + size = 1 << order; + + DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n", + request.count, request.size, size, + order, dev->queue_count ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + entry->buflist = DRM(alloc)( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->seglist = DRM(alloc)( count * sizeof(*entry->seglist), + DRM_MEM_SEGS ); + if ( !entry->seglist ) { + DRM(free)( entry->buflist, + count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->seglist, 0, count * sizeof(*entry->seglist) ); + + dma->pagelist = DRM(realloc)( dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + DRM_DEBUG( "pagelist: %d entries\n", + dma->page_count + (count << page_order) ); + + entry->buf_size = size; + entry->page_order = page_order; + byte_count = 0; + page_count = 0; + + while ( entry->buf_count < count ) { + page = DRM(alloc_pages)( page_order, DRM_MEM_DMA ); + if ( !page ) break; + entry->seglist[entry->seg_count++] = page; + for ( i = 0 ; i < (1 << page_order) ; i++ ) { + DRM_DEBUG( "page %d @ 0x%08lx\n", + dma->page_count + page_count, + page + PAGE_SIZE * i ); + dma->pagelist[dma->page_count + page_count++] + = page + PAGE_SIZE * i; + } + for ( offset = 0 ; + offset + size <= total && entry->buf_count < count ; + offset += alignment, ++entry->buf_count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + buf->offset = (dma->byte_count + byte_count + offset); + buf->address = (void *)(page + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->pid = 0; +#if __HAVE_DMA_HISTOGRAM + buf->time_queued = 0; + buf->time_dispatched = 0; + buf->time_completed = 0; + buf->time_freed = 0; +#endif + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + } + byte_count += PAGE_SIZE << page_order; + } + + dma->buflist = DRM(realloc)( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->seg_count += entry->seg_count; + dma->page_count += entry->seg_count << page_order; + dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); + +#if __HAVE_DMA_FREELIST + DRM(freelist_create)( &entry->freelist, entry->buf_count ); + for ( i = 0 ; i < entry->buf_count ; i++ ) { + DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] ); + } +#endif + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( (drm_buf_desc_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + atomic_dec( &dev->buf_alloc ); + return 0; +} +#endif /* __HAVE_PCI_DMA */ + +int DRM(addbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_buf_desc_t request; + + if ( copy_from_user( &request, (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + +#if __REALLY_HAVE_AGP + if ( request.flags & _DRM_AGP_BUFFER ) + return DRM(addbufs_agp)( inode, filp, cmd, arg ); + else +#endif +#if __HAVE_PCI_DMA + return DRM(addbufs_pci)( inode, filp, cmd, arg ); +#else + return -EINVAL; +#endif +} + +int DRM(infobufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_info_t request; + int i; + int count; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + ++dev->buf_use; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, + (drm_buf_info_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) ++count; + } + + DRM_DEBUG( "count = %d\n", count ); + + if ( request.count >= count ) { + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) { + drm_buf_desc_t *to = &request.list[count]; + drm_buf_entry_t *from = &dma->bufs[i]; + drm_freelist_t *list = &dma->bufs[i].freelist; + if ( copy_to_user( &to->count, + &from->buf_count, + sizeof(from->buf_count) ) || + copy_to_user( &to->size, + &from->buf_size, + sizeof(from->buf_size) ) || + copy_to_user( &to->low_mark, + &list->low_mark, + sizeof(list->low_mark) ) || + copy_to_user( &to->high_mark, + &list->high_mark, + sizeof(list->high_mark) ) ) + return -EFAULT; + + DRM_DEBUG( "%d %d %d %d %d\n", + i, + dma->bufs[i].buf_count, + dma->bufs[i].buf_size, + dma->bufs[i].freelist.low_mark, + dma->bufs[i].freelist.high_mark ); + ++count; + } + } + } + request.count = count; + + if ( copy_to_user( (drm_buf_info_t *)arg, + &request, + sizeof(request) ) ) + return -EFAULT; + + return 0; +} + +int DRM(markbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int order; + drm_buf_entry_t *entry; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_desc_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d, %d, %d\n", + request.size, request.low_mark, request.high_mark ); + order = DRM(order)( request.size ); + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + entry = &dma->bufs[order]; + + if ( request.low_mark < 0 || request.low_mark > entry->buf_count ) + return -EINVAL; + if ( request.high_mark < 0 || request.high_mark > entry->buf_count ) + return -EINVAL; + + entry->freelist.low_mark = request.low_mark; + entry->freelist.high_mark = request.high_mark; + + return 0; +} + +int DRM(freebufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_free_t request; + int i; + int idx; + drm_buf_t *buf; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_free_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", request.count ); + for ( i = 0 ; i < request.count ; i++ ) { + if ( copy_from_user( &idx, + &request.list[i], + sizeof(idx) ) ) + return -EFAULT; + if ( idx < 0 || idx >= dma->buf_count ) { + DRM_ERROR( "Index %d (of %d max)\n", + idx, dma->buf_count - 1 ); + return -EINVAL; + } + buf = dma->buflist[idx]; + if ( buf->pid != current->pid ) { + DRM_ERROR( "Process %d freeing buffer owned by %d\n", + current->pid, buf->pid ); + return -EINVAL; + } + DRM(free_buffer)( dev, buf ); + } + + return 0; +} + +int DRM(mapbufs)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + int retcode = 0; + const int zero = 0; + unsigned long virtual; + unsigned long address; + drm_buf_map_t request; + int i; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + dev->buf_use++; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, (drm_buf_map_t *)arg, + sizeof(request) ) ) + return -EFAULT; + + if ( request.count >= dma->buf_count ) { + if ( __HAVE_AGP && (dma->flags & _DRM_DMA_USE_AGP) ) { + drm_map_t *map = DRIVER_AGP_BUFFERS_MAP( dev ); + + if ( !map ) { + retcode = -EINVAL; + goto done; + } + + down( ¤t->mm->mmap_sem ); + virtual = do_mmap( filp, 0, map->size, + PROT_READ | PROT_WRITE, + MAP_SHARED, + (unsigned long)map->offset ); + up( ¤t->mm->mmap_sem ); + } else { + down( ¤t->mm->mmap_sem ); + virtual = do_mmap( filp, 0, dma->byte_count, + PROT_READ | PROT_WRITE, + MAP_SHARED, 0 ); + up( ¤t->mm->mmap_sem ); + } + if ( virtual > -1024UL ) { + /* Real error */ + retcode = (signed long)virtual; + goto done; + } + request.virtual = (void *)virtual; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + if ( copy_to_user( &request.list[i].idx, + &dma->buflist[i]->idx, + sizeof(request.list[0].idx) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].total, + &dma->buflist[i]->total, + sizeof(request.list[0].total) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].used, + &zero, + sizeof(zero) ) ) { + retcode = -EFAULT; + goto done; + } + address = virtual + dma->buflist[i]->offset; /* *** */ + if ( copy_to_user( &request.list[i].address, + &address, + sizeof(address) ) ) { + retcode = -EFAULT; + goto done; + } + } + } + done: + request.count = dma->buf_count; + DRM_DEBUG( "%d buffers, retcode = %d\n", request.count, retcode ); + + if ( copy_to_user( (drm_buf_map_t *)arg, &request, sizeof(request) ) ) + return -EFAULT; + + return retcode; +} + +#endif /* __HAVE_DMA */ diff --git a/linux/drm_context.h b/linux/drm_context.h new file mode 100644 index 00000000..e2b6170a --- /dev/null +++ b/linux/drm_context.h @@ -0,0 +1,648 @@ +/* drm_context.h -- IOCTLs for generic contexts -*- linux-c -*- + * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +#if __HAVE_CTX_BITMAP + +/* ================================================================ + * Context bitmap support + */ + +void DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle ) +{ + if ( ctx_handle < 0 ) goto failed; + + if ( ctx_handle < DRM_MAX_CTXBITMAP ) { + clear_bit( ctx_handle, dev->ctx_bitmap ); + return; + } +failed: + DRM_ERROR( "Attempt to free invalid context handle: %d\n", + ctx_handle ); + return; +} + +int DRM(ctxbitmap_next)( drm_device_t *dev ) +{ + int bit; + + bit = find_first_zero_bit( dev->ctx_bitmap, DRM_MAX_CTXBITMAP ); + if ( bit < DRM_MAX_CTXBITMAP ) { + set_bit( bit, dev->ctx_bitmap ); + DRM_DEBUG( "drm_ctxbitmap_next bit : %d\n", bit ); + return bit; + } + return -1; +} + +int DRM(ctxbitmap_init)( drm_device_t *dev ) +{ + int i; + int temp; + + dev->ctx_bitmap = (unsigned long *) DRM(alloc)( PAGE_SIZE, + DRM_MEM_CTXBITMAP ); + if ( dev->ctx_bitmap == NULL ) { + return -ENOMEM; + } + memset( (void *)dev->ctx_bitmap, 0, PAGE_SIZE ); + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + temp = DRM(ctxbitmap_next)( dev ); + DRM_DEBUG( "drm_ctxbitmap_init : %d\n", temp ); + } + + return 0; +} + +void DRM(ctxbitmap_cleanup)( drm_device_t *dev ) +{ + DRM(free)( (void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP ); +} + + +/* ================================================================ + * The actual DRM context handling routines + */ + +int DRM(context_switch)( drm_device_t *dev, int old, int new ) +{ + char buf[64]; + + if ( test_and_set_bit( 0, &dev->context_flag ) ) { + DRM_ERROR( "Reentering -- FIXME\n" ); + return -EBUSY; + } + +#if __HAVE_DMA_HISTOGRAM + dev->ctx_start = get_cycles(); +#endif + + DRM_DEBUG( "Context switch from %d to %d\n", old, new ); + + if ( new == dev->last_context ) { + clear_bit( 0, &dev->context_flag ); + return 0; + } + + if ( DRM(flags) & DRM_FLAG_NOCTX ) { + DRM(context_switch_complete)( dev, new ); + } else { + sprintf( buf, "C %d %d\n", old, new ); + DRM(write_string)( dev, buf ); + } + + return 0; +} + +int DRM(context_switch_complete)( drm_device_t *dev, int new ) +{ + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ + dev->last_switch = jiffies; + + if ( !_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ) { + DRM_ERROR( "Lock isn't held after context switch\n" ); + } + + /* If a context switch is ever initiated + when the kernel holds the lock, release + that lock here. */ +#if __HAVE_DMA_HISTOGRAM + atomic_inc( &dev->histo.ctx[DRM(histogram_slot)(get_cycles() + - dev->ctx_start)] ); + +#endif + clear_bit( 0, &dev->context_flag ); + wake_up( &dev->context_wait ); + + return 0; +} + +int DRM(resctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_res_t res; + drm_ctx_t ctx; + int i; + + if ( copy_from_user( &res, (drm_ctx_res_t *)arg, sizeof(res) ) ) + return -EFAULT; + + if ( res.count >= DRM_RESERVED_CONTEXTS ) { + memset( &ctx, 0, sizeof(ctx) ); + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + ctx.handle = i; + if ( copy_to_user( &res.contexts[i], + &i, sizeof(i) ) ) + return -EFAULT; + } + } + res.count = DRM_RESERVED_CONTEXTS; + + if ( copy_to_user( (drm_ctx_res_t *)arg, &res, sizeof(res) ) ) + return -EFAULT; + return 0; +} + +int DRM(addctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + ctx.handle = DRM(ctxbitmap_next)( dev ); + if ( ctx.handle == DRM_KERNEL_CONTEXT ) { + /* Skip kernel's context and get a new one. */ + ctx.handle = DRM(ctxbitmap_next)( dev ); + } + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == -1 ) { + DRM_DEBUG( "Not enough free contexts.\n" ); + /* Should this return -EBUSY instead? */ + return -ENOMEM; + } + + if ( copy_to_user( (drm_ctx_t *)arg, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +int DRM(modctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + /* This does nothing */ + return 0; +} + +int DRM(getctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t*)arg, sizeof(ctx) ) ) + return -EFAULT; + + /* This is 0, because we don't handle any context flags */ + ctx.flags = 0; + + if ( copy_to_user( (drm_ctx_t*)arg, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +int DRM(switchctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + return DRM(context_switch)( dev, dev->last_context, ctx.handle ); +} + +int DRM(newctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + DRM(context_switch_complete)( dev, ctx.handle ); + + return 0; +} + +int DRM(rmctx)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == DRM_KERNEL_CONTEXT + 1 ) { + priv->remove_auth_on_close = 1; + } + if ( ctx.handle != DRM_KERNEL_CONTEXT ) { + DRM(ctxbitmap_free)( dev, ctx.handle ); + } + + return 0; +} + + +#else /* __HAVE_CTX_BITMAP */ + +/* ================================================================ + * Old-style context support + */ + + +int DRM(context_switch)(drm_device_t *dev, int old, int new) +{ + char buf[64]; + drm_queue_t *q; + +#if 0 + atomic_inc(&dev->total_ctx); +#endif + + if (test_and_set_bit(0, &dev->context_flag)) { + DRM_ERROR("Reentering -- FIXME\n"); + return -EBUSY; + } + +#if __HAVE_DMA_HISTOGRAM + dev->ctx_start = get_cycles(); +#endif + + DRM_DEBUG("Context switch from %d to %d\n", old, new); + + if (new >= dev->queue_count) { + clear_bit(0, &dev->context_flag); + return -EINVAL; + } + + if (new == dev->last_context) { + clear_bit(0, &dev->context_flag); + return 0; + } + + q = dev->queuelist[new]; + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + atomic_dec(&q->use_count); + clear_bit(0, &dev->context_flag); + return -EINVAL; + } + + if (DRM(flags) & DRM_FLAG_NOCTX) { + DRM(context_switch_complete)(dev, new); + } else { + sprintf(buf, "C %d %d\n", old, new); + DRM(write_string)(dev, buf); + } + + atomic_dec(&q->use_count); + + return 0; +} + +int DRM(context_switch_complete)(drm_device_t *dev, int new) +{ + drm_device_dma_t *dma = dev->dma; + + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ + dev->last_switch = jiffies; + + if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("Lock isn't held after context switch\n"); + } + + if (!dma || !(dma->next_buffer && dma->next_buffer->while_locked)) { + if (DRM(lock_free)(dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + DRM_ERROR("Cannot free lock\n"); + } + } + +#if __HAVE_DMA_HISTOGRAM + atomic_inc(&dev->histo.ctx[DRM(histogram_slot)(get_cycles() + - dev->ctx_start)]); + +#endif + clear_bit(0, &dev->context_flag); + wake_up_interruptible(&dev->context_wait); + + return 0; +} + +static int DRM(init_queue)(drm_device_t *dev, drm_queue_t *q, drm_ctx_t *ctx) +{ + DRM_DEBUG("\n"); + + if (atomic_read(&q->use_count) != 1 + || atomic_read(&q->finalization) + || atomic_read(&q->block_count)) { + DRM_ERROR("New queue is already in use: u%d f%d b%d\n", + atomic_read(&q->use_count), + atomic_read(&q->finalization), + atomic_read(&q->block_count)); + } + + atomic_set(&q->finalization, 0); + atomic_set(&q->block_count, 0); + atomic_set(&q->block_read, 0); + atomic_set(&q->block_write, 0); + atomic_set(&q->total_queued, 0); + atomic_set(&q->total_flushed, 0); + atomic_set(&q->total_locks, 0); + + init_waitqueue_head(&q->write_queue); + init_waitqueue_head(&q->read_queue); + init_waitqueue_head(&q->flush_queue); + + q->flags = ctx->flags; + + DRM(waitlist_create)(&q->waitlist, dev->dma->buf_count); + + return 0; +} + + +/* drm_alloc_queue: +PRE: 1) dev->queuelist[0..dev->queue_count] is allocated and will not + disappear (so all deallocation must be done after IOCTLs are off) + 2) dev->queue_count < dev->queue_slots + 3) dev->queuelist[i].use_count == 0 and + dev->queuelist[i].finalization == 0 if i not in use +POST: 1) dev->queuelist[i].use_count == 1 + 2) dev->queue_count < dev->queue_slots */ + +static int DRM(alloc_queue)(drm_device_t *dev) +{ + int i; + drm_queue_t *queue; + int oldslots; + int newslots; + /* Check for a free queue */ + for (i = 0; i < dev->queue_count; i++) { + atomic_inc(&dev->queuelist[i]->use_count); + if (atomic_read(&dev->queuelist[i]->use_count) == 1 + && !atomic_read(&dev->queuelist[i]->finalization)) { + DRM_DEBUG("%d (free)\n", i); + return i; + } + atomic_dec(&dev->queuelist[i]->use_count); + } + /* Allocate a new queue */ + down(&dev->struct_sem); + + queue = gamma_alloc(sizeof(*queue), DRM_MEM_QUEUES); + memset(queue, 0, sizeof(*queue)); + atomic_set(&queue->use_count, 1); + + ++dev->queue_count; + if (dev->queue_count >= dev->queue_slots) { + oldslots = dev->queue_slots * sizeof(*dev->queuelist); + if (!dev->queue_slots) dev->queue_slots = 1; + dev->queue_slots *= 2; + newslots = dev->queue_slots * sizeof(*dev->queuelist); + + dev->queuelist = DRM(realloc)(dev->queuelist, + oldslots, + newslots, + DRM_MEM_QUEUES); + if (!dev->queuelist) { + up(&dev->struct_sem); + DRM_DEBUG("out of memory\n"); + return -ENOMEM; + } + } + dev->queuelist[dev->queue_count-1] = queue; + + up(&dev->struct_sem); + DRM_DEBUG("%d (new)\n", dev->queue_count - 1); + return dev->queue_count - 1; +} + +int DRM(resctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_ctx_res_t res; + drm_ctx_t ctx; + int i; + + DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); + if (copy_from_user(&res, (drm_ctx_res_t *)arg, sizeof(res))) + return -EFAULT; + if (res.count >= DRM_RESERVED_CONTEXTS) { + memset(&ctx, 0, sizeof(ctx)); + for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { + ctx.handle = i; + if (copy_to_user(&res.contexts[i], + &i, + sizeof(i))) + return -EFAULT; + } + } + res.count = DRM_RESERVED_CONTEXTS; + if (copy_to_user((drm_ctx_res_t *)arg, &res, sizeof(res))) + return -EFAULT; + return 0; +} + +int DRM(addctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + if ((ctx.handle = DRM(alloc_queue)(dev)) == DRM_KERNEL_CONTEXT) { + /* Init kernel's context and get a new one. */ + DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx); + ctx.handle = DRM(alloc_queue)(dev); + } + DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx); + DRM_DEBUG("%d\n", ctx.handle); + if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) + return -EFAULT; + return 0; +} + +int DRM(modctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + drm_queue_t *q; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + + DRM_DEBUG("%d\n", ctx.handle); + + if (ctx.handle < 0 || ctx.handle >= dev->queue_count) return -EINVAL; + q = dev->queuelist[ctx.handle]; + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + /* No longer in use */ + atomic_dec(&q->use_count); + return -EINVAL; + } + + if (DRM_BUFCOUNT(&q->waitlist)) { + atomic_dec(&q->use_count); + return -EBUSY; + } + + q->flags = ctx.flags; + + atomic_dec(&q->use_count); + return 0; +} + +int DRM(getctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + drm_queue_t *q; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + + DRM_DEBUG("%d\n", ctx.handle); + + if (ctx.handle >= dev->queue_count) return -EINVAL; + q = dev->queuelist[ctx.handle]; + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + /* No longer in use */ + atomic_dec(&q->use_count); + return -EINVAL; + } + + ctx.flags = q->flags; + atomic_dec(&q->use_count); + + if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) + return -EFAULT; + + return 0; +} + +int DRM(switchctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + return DRM(context_switch)(dev, dev->last_context, ctx.handle); +} + +int DRM(newctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + DRM(context_switch_complete)(dev, ctx.handle); + + return 0; +} + +int DRM(rmctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + drm_queue_t *q; + drm_buf_t *buf; + + if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + + if (ctx.handle >= dev->queue_count) return -EINVAL; + q = dev->queuelist[ctx.handle]; + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + /* No longer in use */ + atomic_dec(&q->use_count); + return -EINVAL; + } + + atomic_inc(&q->finalization); /* Mark queue in finalization state */ + atomic_sub(2, &q->use_count); /* Mark queue as unused (pending + finalization) */ + + while (test_and_set_bit(0, &dev->interrupt_flag)) { + schedule(); + if (signal_pending(current)) { + clear_bit(0, &dev->interrupt_flag); + return -EINTR; + } + } + /* Remove queued buffers */ + while ((buf = DRM(waitlist_get)(&q->waitlist))) { + DRM(free_buffer)(dev, buf); + } + clear_bit(0, &dev->interrupt_flag); + + /* Wakeup blocked processes */ + wake_up_interruptible(&q->read_queue); + wake_up_interruptible(&q->write_queue); + wake_up_interruptible(&q->flush_queue); + + /* Finalization over. Queue is made + available when both use_count and + finalization become 0, which won't + happen until all the waiting processes + stop waiting. */ + atomic_dec(&q->finalization); + return 0; +} + +#endif /* __HAVE_CTX_BITMAP */ diff --git a/linux/drm_dma.h b/linux/drm_dma.h new file mode 100644 index 00000000..e715bd41 --- /dev/null +++ b/linux/drm_dma.h @@ -0,0 +1,594 @@ +/* drm_dma.c -- DMA IOCTL and function support -*- linux-c -*- + * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +#include <linux/interrupt.h> /* For task queue support */ + +#ifndef __HAVE_DMA_WAITQUEUE +#define __HAVE_DMA_WAITQUEUE 0 +#endif +#ifndef __HAVE_DMA_RECLAIM +#define __HAVE_DMA_RECLAIM 0 +#endif + +#if __HAVE_DMA + +int DRM(dma_setup)( drm_device_t *dev ) +{ + int i; + + dev->dma = DRM(alloc)( sizeof(*dev->dma), DRM_MEM_DRIVER ); + if ( !dev->dma ) + return -ENOMEM; + + memset( dev->dma, 0, sizeof(*dev->dma) ); + + for ( i = 0 ; i <= DRM_MAX_ORDER ; i++ ) + memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0])); + + return 0; +} + +void DRM(dma_takedown)(drm_device_t *dev) +{ + drm_device_dma_t *dma = dev->dma; + int i, j; + + if (!dma) return; + + /* Clear dma buffers */ + for (i = 0; i <= DRM_MAX_ORDER; i++) { + if (dma->bufs[i].seg_count) { + DRM_DEBUG("order %d: buf_count = %d," + " seg_count = %d\n", + i, + dma->bufs[i].buf_count, + dma->bufs[i].seg_count); + for (j = 0; j < dma->bufs[i].seg_count; j++) { + DRM(free_pages)(dma->bufs[i].seglist[j], + dma->bufs[i].page_order, + DRM_MEM_DMA); + } + DRM(free)(dma->bufs[i].seglist, + dma->bufs[i].seg_count + * sizeof(*dma->bufs[0].seglist), + DRM_MEM_SEGS); + } + if(dma->bufs[i].buf_count) { + for(j = 0; j < dma->bufs[i].buf_count; j++) { + if(dma->bufs[i].buflist[j].dev_private) { + DRM(free)(dma->bufs[i].buflist[j].dev_private, + dma->bufs[i].buflist[j].dev_priv_size, + DRM_MEM_BUFS); + } + } + DRM(free)(dma->bufs[i].buflist, + dma->bufs[i].buf_count * + sizeof(*dma->bufs[0].buflist), + DRM_MEM_BUFS); +#if __HAVE_DMA_FREELIST + DRM(freelist_destroy)(&dma->bufs[i].freelist); +#endif + } + } + + if (dma->buflist) { + DRM(free)(dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + DRM_MEM_BUFS); + } + + if (dma->pagelist) { + DRM(free)(dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + DRM_MEM_PAGES); + } + DRM(free)(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER); + dev->dma = NULL; +} + + +#if __HAVE_DMA_HISTOGRAM +/* This is slow, but is useful for debugging. */ +int DRM(histogram_slot)(unsigned long count) +{ + int value = DRM_DMA_HISTOGRAM_INITIAL; + int slot; + + for (slot = 0; + slot < DRM_DMA_HISTOGRAM_SLOTS; + ++slot, value = DRM_DMA_HISTOGRAM_NEXT(value)) { + if (count < value) return slot; + } + return DRM_DMA_HISTOGRAM_SLOTS - 1; +} + +void DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf) +{ + cycles_t queued_to_dispatched; + cycles_t dispatched_to_completed; + cycles_t completed_to_freed; + int q2d, d2c, c2f, q2c, q2f; + + if (buf->time_queued) { + queued_to_dispatched = (buf->time_dispatched + - buf->time_queued); + dispatched_to_completed = (buf->time_completed + - buf->time_dispatched); + completed_to_freed = (buf->time_freed + - buf->time_completed); + + q2d = DRM(histogram_slot)(queued_to_dispatched); + d2c = DRM(histogram_slot)(dispatched_to_completed); + c2f = DRM(histogram_slot)(completed_to_freed); + + q2c = DRM(histogram_slot)(queued_to_dispatched + + dispatched_to_completed); + q2f = DRM(histogram_slot)(queued_to_dispatched + + dispatched_to_completed + + completed_to_freed); + + atomic_inc(&dev->histo.total); + atomic_inc(&dev->histo.queued_to_dispatched[q2d]); + atomic_inc(&dev->histo.dispatched_to_completed[d2c]); + atomic_inc(&dev->histo.completed_to_freed[c2f]); + + atomic_inc(&dev->histo.queued_to_completed[q2c]); + atomic_inc(&dev->histo.queued_to_freed[q2f]); + + } + buf->time_queued = 0; + buf->time_dispatched = 0; + buf->time_completed = 0; + buf->time_freed = 0; +} +#endif + +void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf) +{ + if (!buf) return; + + buf->waiting = 0; + buf->pending = 0; + buf->pid = 0; + buf->used = 0; +#if __HAVE_DMA_HISTOGRAM + buf->time_completed = get_cycles(); +#endif + + if ( __HAVE_DMA_WAITQUEUE && waitqueue_active(&buf->dma_wait)) { + wake_up_interruptible(&buf->dma_wait); + } +#if __HAVE_DMA_FREELIST + else { + drm_device_dma_t *dma = dev->dma; + /* If processes are waiting, the last one + to wake will put the buffer on the free + list. If no processes are waiting, we + put the buffer on the freelist here. */ + DRM(freelist_put)(dev, &dma->bufs[buf->order].freelist, buf); + } +#endif +} + +#if !__HAVE_DMA_RECLAIM +void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid) +{ + drm_device_dma_t *dma = dev->dma; + int i; + + if (!dma) return; + for (i = 0; i < dma->buf_count; i++) { + if (dma->buflist[i]->pid == pid) { + switch (dma->buflist[i]->list) { + case DRM_LIST_NONE: + DRM(free_buffer)(dev, dma->buflist[i]); + break; + case DRM_LIST_WAIT: + dma->buflist[i]->list = DRM_LIST_RECLAIM; + break; + default: + /* Buffer already on hardware. */ + break; + } + } + } +} +#endif + + +/* GH: This is a big hack for now... + */ +#if __HAVE_OLD_DMA + +void DRM(clear_next_buffer)(drm_device_t *dev) +{ + drm_device_dma_t *dma = dev->dma; + + dma->next_buffer = NULL; + if (dma->next_queue && !DRM_BUFCOUNT(&dma->next_queue->waitlist)) { + wake_up_interruptible(&dma->next_queue->flush_queue); + } + dma->next_queue = NULL; +} + +int DRM(select_queue)(drm_device_t *dev, void (*wrapper)(unsigned long)) +{ + int i; + int candidate = -1; + int j = jiffies; + + if (!dev) { + DRM_ERROR("No device\n"); + return -1; + } + if (!dev->queuelist || !dev->queuelist[DRM_KERNEL_CONTEXT]) { + /* This only happens between the time the + interrupt is initialized and the time + the queues are initialized. */ + return -1; + } + + /* Doing "while locked" DMA? */ + if (DRM_WAITCOUNT(dev, DRM_KERNEL_CONTEXT)) { + return DRM_KERNEL_CONTEXT; + } + + /* If there are buffers on the last_context + queue, and we have not been executing + this context very long, continue to + execute this context. */ + if (dev->last_switch <= j + && dev->last_switch + DRM_TIME_SLICE > j + && DRM_WAITCOUNT(dev, dev->last_context)) { + return dev->last_context; + } + + /* Otherwise, find a candidate */ + for (i = dev->last_checked + 1; i < dev->queue_count; i++) { + if (DRM_WAITCOUNT(dev, i)) { + candidate = dev->last_checked = i; + break; + } + } + + if (candidate < 0) { + for (i = 0; i < dev->queue_count; i++) { + if (DRM_WAITCOUNT(dev, i)) { + candidate = dev->last_checked = i; + break; + } + } + } + + if (wrapper + && candidate >= 0 + && candidate != dev->last_context + && dev->last_switch <= j + && dev->last_switch + DRM_TIME_SLICE > j) { + if (dev->timer.expires != dev->last_switch + DRM_TIME_SLICE) { + del_timer(&dev->timer); + dev->timer.function = wrapper; + dev->timer.data = (unsigned long)dev; + dev->timer.expires = dev->last_switch+DRM_TIME_SLICE; + add_timer(&dev->timer); + } + return -1; + } + + return candidate; +} + + +int DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *d) +{ + int i; + drm_queue_t *q; + drm_buf_t *buf; + int idx; + int while_locked = 0; + drm_device_dma_t *dma = dev->dma; + DECLARE_WAITQUEUE(entry, current); + + DRM_DEBUG("%d\n", d->send_count); + + if (d->flags & _DRM_DMA_WHILE_LOCKED) { + int context = dev->lock.hw_lock->lock; + + if (!_DRM_LOCK_IS_HELD(context)) { + DRM_ERROR("No lock held during \"while locked\"" + " request\n"); + return -EINVAL; + } + if (d->context != _DRM_LOCKING_CONTEXT(context) + && _DRM_LOCKING_CONTEXT(context) != DRM_KERNEL_CONTEXT) { + DRM_ERROR("Lock held by %d while %d makes" + " \"while locked\" request\n", + _DRM_LOCKING_CONTEXT(context), + d->context); + return -EINVAL; + } + q = dev->queuelist[DRM_KERNEL_CONTEXT]; + while_locked = 1; + } else { + q = dev->queuelist[d->context]; + } + + + atomic_inc(&q->use_count); + if (atomic_read(&q->block_write)) { + add_wait_queue(&q->write_queue, &entry); + atomic_inc(&q->block_count); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if (!atomic_read(&q->block_write)) break; + schedule(); + if (signal_pending(current)) { + atomic_dec(&q->use_count); + remove_wait_queue(&q->write_queue, &entry); + return -EINTR; + } + } + atomic_dec(&q->block_count); + current->state = TASK_RUNNING; + remove_wait_queue(&q->write_queue, &entry); + } + + for (i = 0; i < d->send_count; i++) { + idx = d->send_indices[i]; + if (idx < 0 || idx >= dma->buf_count) { + atomic_dec(&q->use_count); + DRM_ERROR("Index %d (of %d max)\n", + d->send_indices[i], dma->buf_count - 1); + return -EINVAL; + } + buf = dma->buflist[ idx ]; + if (buf->pid != current->pid) { + atomic_dec(&q->use_count); + DRM_ERROR("Process %d using buffer owned by %d\n", + current->pid, buf->pid); + return -EINVAL; + } + if (buf->list != DRM_LIST_NONE) { + atomic_dec(&q->use_count); + DRM_ERROR("Process %d using buffer %d on list %d\n", + current->pid, buf->idx, buf->list); + } + buf->used = d->send_sizes[i]; + buf->while_locked = while_locked; + buf->context = d->context; + if (!buf->used) { + DRM_ERROR("Queueing 0 length buffer\n"); + } + if (buf->pending) { + atomic_dec(&q->use_count); + DRM_ERROR("Queueing pending buffer:" + " buffer %d, offset %d\n", + d->send_indices[i], i); + return -EINVAL; + } + if (buf->waiting) { + atomic_dec(&q->use_count); + DRM_ERROR("Queueing waiting buffer:" + " buffer %d, offset %d\n", + d->send_indices[i], i); + return -EINVAL; + } + buf->waiting = 1; + if (atomic_read(&q->use_count) == 1 + || atomic_read(&q->finalization)) { + DRM(free_buffer)(dev, buf); + } else { + DRM(waitlist_put)(&q->waitlist, buf); + atomic_inc(&q->total_queued); + } + } + atomic_dec(&q->use_count); + + return 0; +} + +static int DRM(dma_get_buffers_of_order)(drm_device_t *dev, drm_dma_t *d, + int order) +{ + int i; + drm_buf_t *buf; + drm_device_dma_t *dma = dev->dma; + + for (i = d->granted_count; i < d->request_count; i++) { + buf = DRM(freelist_get)(&dma->bufs[order].freelist, + d->flags & _DRM_DMA_WAIT); + if (!buf) break; + if (buf->pending || buf->waiting) { + DRM_ERROR("Free buffer %d in use by %d (w%d, p%d)\n", + buf->idx, + buf->pid, + buf->waiting, + buf->pending); + } + buf->pid = current->pid; + if (copy_to_user(&d->request_indices[i], + &buf->idx, + sizeof(buf->idx))) + return -EFAULT; + + if (copy_to_user(&d->request_sizes[i], + &buf->total, + sizeof(buf->total))) + return -EFAULT; + + ++d->granted_count; + } + return 0; +} + + +int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma) +{ + int order; + int retcode = 0; + int tmp_order; + + order = DRM(order)(dma->request_size); + + dma->granted_count = 0; + retcode = DRM(dma_get_buffers_of_order)(dev, dma, order); + + if (dma->granted_count < dma->request_count + && (dma->flags & _DRM_DMA_SMALLER_OK)) { + for (tmp_order = order - 1; + !retcode + && dma->granted_count < dma->request_count + && tmp_order >= DRM_MIN_ORDER; + --tmp_order) { + + retcode = DRM(dma_get_buffers_of_order)(dev, dma, + tmp_order); + } + } + + if (dma->granted_count < dma->request_count + && (dma->flags & _DRM_DMA_LARGER_OK)) { + for (tmp_order = order + 1; + !retcode + && dma->granted_count < dma->request_count + && tmp_order <= DRM_MAX_ORDER; + ++tmp_order) { + + retcode = DRM(dma_get_buffers_of_order)(dev, dma, + tmp_order); + } + } + return 0; +} + +#endif /* __HAVE_OLD_DMA */ + + +#if __HAVE_DMA_IRQ + +int DRM(irq_install)( drm_device_t *dev, int irq ) +{ + int ret; + + if ( !irq ) + return -EINVAL; + + down( &dev->struct_sem ); + if ( dev->irq ) { + up( &dev->struct_sem ); + return -EBUSY; + } + dev->irq = irq; + up( &dev->struct_sem ); + + DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, irq ); + + dev->context_flag = 0; + dev->interrupt_flag = 0; + dev->dma_flag = 0; + + dev->dma->next_buffer = NULL; + dev->dma->next_queue = NULL; + dev->dma->this_buffer = NULL; + +#if __HAVE_DMA_IRQ_BH + INIT_LIST_HEAD( &dev->tq.list ); + dev->tq.sync = 0; + dev->tq.routine = DRM(dma_immediate_bh); + dev->tq.data = dev; +#endif + + /* Before installing handler */ + DRIVER_PREINSTALL(); + + /* Install handler */ + ret = request_irq( dev->irq, DRM(dma_service), + 0, dev->devname, dev ); + if ( ret < 0 ) { + down( &dev->struct_sem ); + dev->irq = 0; + up( &dev->struct_sem ); + return ret; + } + + /* After installing handler */ + DRIVER_POSTINSTALL(); + + return 0; +} + +int DRM(irq_uninstall)( drm_device_t *dev ) +{ + int irq; + + down( &dev->struct_sem ); + irq = dev->irq; + dev->irq = 0; + up( &dev->struct_sem ); + + if ( !irq ) + return -EINVAL; + + DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, irq ); + + DRIVER_UNINSTALL(); + + free_irq( irq, dev ); + + return 0; +} + +int DRM(control)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_control_t ctl; + + if ( copy_from_user( &ctl, (drm_control_t *)arg, sizeof(ctl) ) ) + return -EFAULT; + + switch ( ctl.func ) { + case DRM_INST_HANDLER: + return DRM(irq_install)( dev, ctl.irq ); + case DRM_UNINST_HANDLER: + return DRM(irq_uninstall)( dev ); + default: + return -EINVAL; + } +} + +#endif /* __HAVE_DMA_IRQ */ + +#endif /* __HAVE_DMA */ diff --git a/linux/drm_drawable.h b/linux/drm_drawable.h new file mode 100644 index 00000000..13e46b9f --- /dev/null +++ b/linux/drm_drawable.h @@ -0,0 +1,51 @@ +/* drm_drawable.h -- IOCTLs for drawables -*- linux-c -*- + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +int DRM(adddraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_draw_t draw; + + draw.handle = 0; /* NOOP */ + DRM_DEBUG("%d\n", draw.handle); + if (copy_to_user((drm_draw_t *)arg, &draw, sizeof(draw))) + return -EFAULT; + return 0; +} + +int DRM(rmdraw)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + return 0; /* NOOP */ +} diff --git a/linux/drm_drv.h b/linux/drm_drv.h new file mode 100644 index 00000000..71f52276 --- /dev/null +++ b/linux/drm_drv.h @@ -0,0 +1,927 @@ +/* drm_drv.h -- Generic driver template -*- linux-c -*- + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +/* + * To use this template, you must at least define the following (samples + * given for the MGA driver): + * + * #define DRIVER_AUTHOR "VA Linux Systems, Inc." + * + * #define DRIVER_NAME "mga" + * #define DRIVER_DESC "Matrox G200/G400" + * #define DRIVER_DATE "20001127" + * + * #define DRIVER_MAJOR 2 + * #define DRIVER_MINOR 0 + * #define DRIVER_PATCHLEVEL 2 + * + * #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls ) + * + * #define DRM(x) mga_##x + */ + +#ifndef __MUST_HAVE_AGP +#define __MUST_HAVE_AGP 0 +#endif +#ifndef __HAVE_CTX_BITMAP +#define __HAVE_CTX_BITMAP 0 +#endif +#ifndef __HAVE_DMA_IRQ +#define __HAVE_DMA_IRQ 0 +#endif +#ifndef __HAVE_DMA_QUEUE +#define __HAVE_DMA_QUEUE 0 +#endif +#ifndef __HAVE_MULTIPLE_DMA_QUEUES +#define __HAVE_MULTIPLE_DMA_QUEUES 0 +#endif +#ifndef __HAVE_DMA_SCHEDULE +#define __HAVE_DMA_SCHEDULE 0 +#endif +#ifndef __HAVE_DMA_FLUSH +#define __HAVE_DMA_FLUSH 0 +#endif +#ifndef __HAVE_DMA_READY +#define __HAVE_DMA_READY 0 +#endif +#ifndef __HAVE_DMA_QUIESCENT +#define __HAVE_DMA_QUIESCENT 0 +#endif +#ifndef __HAVE_RELEASE +#define __HAVE_RELEASE 0 +#endif +#ifndef __HAVE_COUNTERS +#define __HAVE_COUNTERS 0 +#endif + +#ifndef DRIVER_PREINIT +#define DRIVER_PREINIT() +#endif +#ifndef DRIVER_POSTINIT +#define DRIVER_POSTINIT() +#endif +#ifndef DRIVER_PRERELEASE +#define DRIVER_PRERELEASE() +#endif +#ifndef DRIVER_PRETAKEDOWN +#define DRIVER_PRETAKEDOWN() +#endif +#ifndef DRIVER_IOCTLS +#define DRIVER_IOCTLS +#endif + + +static drm_device_t DRM(device); +static int DRM(minor); + +static struct file_operations DRM(fops) = { +#if LINUX_VERSION_CODE >= 0x020400 + /* This started being used during 2.4.0-test */ + owner: THIS_MODULE, +#endif + open: DRM(open), + flush: DRM(flush), + release: DRM(release), + ioctl: DRM(ioctl), + mmap: DRM(mmap), + read: DRM(read), + fasync: DRM(fasync), + poll: DRM(poll), +}; + + +static drm_ioctl_desc_t DRM(ioctls)[] = { + [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { DRM(version), 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { DRM(getunique), 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { DRM(getmagic), 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { DRM(irq_busid), 0, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { DRM(getmap), 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { DRM(getclient), 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { DRM(getstats), 0, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { DRM(setunique), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { DRM(block), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { DRM(unblock), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { DRM(authmagic), 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { DRM(addmap), 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { DRM(addctx), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { DRM(rmctx), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { DRM(modctx), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { DRM(getctx), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { DRM(switchctx), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { DRM(newctx), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { DRM(resctx), 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { DRM(adddraw), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { DRM(rmdraw), 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { DRM(lock), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { DRM(unlock), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { DRM(finish), 1, 0 }, + +#if __HAVE_DMA + [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { DRM(addbufs), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { DRM(markbufs), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { DRM(infobufs), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { DRM(mapbufs), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { DRM(freebufs), 1, 0 }, + + /* The DRM_IOCTL_DMA ioctl should be defined by the driver. + */ +#if __HAVE_DMA_IRQ + [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { DRM(control), 1, 1 }, +#endif +#endif + +#if __REALLY_HAVE_AGP + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { DRM(agp_acquire), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { DRM(agp_release), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { DRM(agp_enable), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { DRM(agp_info), 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { DRM(agp_alloc), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { DRM(agp_free), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { DRM(agp_bind), 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { DRM(agp_unbind), 1, 1 }, +#endif + + DRIVER_IOCTLS +}; + +#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( DRM(ioctls) ) + +#ifdef MODULE +static char *drm_opts = NULL; +#endif + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_PARM( drm_opts, "s" ); + +#ifndef MODULE +/* DRM(options) is called by the kernel to parse command-line options + * passed via the boot-loader (e.g., LILO). It calls the insmod option + * routine, drm_parse_drm. + */ + +static int __init DRM(options)( char *str ) +{ + DRM(parse_options)( str ); + return 1; +} + +__setup( DRIVER_NAME "=", DRM(options) ); +#endif + +static int DRM(setup)( drm_device_t *dev ) +{ + int i; + + atomic_set( &dev->ioctl_count, 0 ); + atomic_set( &dev->vma_count, 0 ); + dev->buf_use = 0; + atomic_set( &dev->buf_alloc, 0 ); + +#if __HAVE_DMA + i = DRM(dma_setup)( dev ); + if ( i < 0 ) + return i; +#endif + + dev->counters = 6 + __HAVE_COUNTERS; + dev->types[0] = _DRM_STAT_LOCK; + dev->types[1] = _DRM_STAT_OPENS; + dev->types[2] = _DRM_STAT_CLOSES; + dev->types[3] = _DRM_STAT_IOCTLS; + dev->types[4] = _DRM_STAT_LOCKS; + dev->types[5] = _DRM_STAT_UNLOCKS; +#ifdef __HAVE_COUNTER6 + dev->types[6] = __HAVE_COUNTER6; +#endif +#ifdef __HAVE_COUNTER7 + dev->types[7] = __HAVE_COUNTER7; +#endif +#ifdef __HAVE_COUNTER8 + dev->types[8] = __HAVE_COUNTER8; +#endif +#ifdef __HAVE_COUNTER9 + dev->types[9] = __HAVE_COUNTER9; +#endif +#ifdef __HAVE_COUNTER10 + dev->types[10] = __HAVE_COUNTER10; +#endif +#ifdef __HAVE_COUNTER11 + dev->types[11] = __HAVE_COUNTER11; +#endif +#ifdef __HAVE_COUNTER12 + dev->types[12] = __HAVE_COUNTER12; +#endif +#ifdef __HAVE_COUNTER13 + dev->types[13] = __HAVE_COUNTER13; +#endif +#ifdef __HAVE_COUNTER14 + dev->types[14] = __HAVE_COUNTER14; +#endif +#ifdef __HAVE_COUNTER15 + dev->types[14] = __HAVE_COUNTER14; +#endif + + for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ ) + atomic_set( &dev->counts[i], 0 ); + + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + dev->magiclist[i].head = NULL; + dev->magiclist[i].tail = NULL; + } + dev->maplist = NULL; + dev->map_count = 0; + dev->vmalist = NULL; + dev->lock.hw_lock = NULL; + init_waitqueue_head( &dev->lock.lock_queue ); + dev->queue_count = 0; + dev->queue_reserved = 0; + dev->queue_slots = 0; + dev->queuelist = NULL; + dev->irq = 0; + dev->context_flag = 0; + dev->interrupt_flag = 0; + dev->dma_flag = 0; + dev->last_context = 0; + dev->last_switch = 0; + dev->last_checked = 0; + init_timer( &dev->timer ); + init_waitqueue_head( &dev->context_wait ); + + dev->ctx_start = 0; + dev->lck_start = 0; + + dev->buf_rp = dev->buf; + dev->buf_wp = dev->buf; + dev->buf_end = dev->buf + DRM_BSZ; + dev->buf_async = NULL; + init_waitqueue_head( &dev->buf_readers ); + init_waitqueue_head( &dev->buf_writers ); + + DRM_DEBUG( "\n" ); + + /* The kernel's context could be created here, but is now created + * in drm_dma_enqueue. This is more resource-efficient for + * hardware that does not do DMA, but may mean that + * drm_select_queue fails between the time the interrupt is + * initialized and the time the queues are initialized. + */ + return 0; +} + + +static int DRM(takedown)( drm_device_t *dev ) +{ + drm_magic_entry_t *pt, *next; + drm_map_t *map; + drm_vma_entry_t *vma, *vma_next; + int i; + + DRM_DEBUG( "\n" ); + + DRIVER_PRETAKEDOWN(); +#if __HAVE_DMA_IRQ + if ( dev->irq ) DRM(irq_uninstall)( dev ); +#endif + + down( &dev->struct_sem ); + del_timer( &dev->timer ); + + if ( dev->devname ) { + DRM(free)( dev->devname, strlen( dev->devname ) + 1, + DRM_MEM_DRIVER ); + dev->devname = NULL; + } + + if ( dev->unique ) { + DRM(free)( dev->unique, strlen( dev->unique ) + 1, + DRM_MEM_DRIVER ); + dev->unique = NULL; + dev->unique_len = 0; + } + /* Clear pid list */ + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + for ( pt = dev->magiclist[i].head ; pt ; pt = next ) { + next = pt->next; + DRM(free)( pt, sizeof(*pt), DRM_MEM_MAGIC ); + } + dev->magiclist[i].head = dev->magiclist[i].tail = NULL; + } + +#if __REALLY_HAVE_AGP + /* Clear AGP information */ + if ( dev->agp ) { + drm_agp_mem_t *entry; + drm_agp_mem_t *nexte; + + /* Remove AGP resources, but leave dev->agp + intact until drv_cleanup is called. */ + for ( entry = dev->agp->memory ; entry ; entry = nexte ) { + nexte = entry->next; + if ( entry->bound ) DRM(unbind_agp)( entry->memory ); + DRM(free_agp)( entry->memory, entry->pages ); + DRM(free)( entry, sizeof(*entry), DRM_MEM_AGPLISTS ); + } + dev->agp->memory = NULL; + + if ( dev->agp->acquired ) DRM(agp_do_release)(); + + dev->agp->acquired = 0; + dev->agp->enabled = 0; + } +#endif + + /* Clear vma list (only built for debugging) */ + if ( dev->vmalist ) { + for ( vma = dev->vmalist ; vma ; vma = vma_next ) { + vma_next = vma->next; + DRM(free)( vma, sizeof(*vma), DRM_MEM_VMAS ); + } + dev->vmalist = NULL; + } + + /* Clear map area and mtrr information */ + if ( dev->maplist ) { + for ( i = 0 ; i < dev->map_count ; i++ ) { + map = dev->maplist[i]; + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#if __REALLY_HAVE_MTRR + if ( map->mtrr >= 0 ) { + int retcode; + retcode = mtrr_del( map->mtrr, + map->offset, + map->size ); + DRM_DEBUG( "mtrr_del=%d\n", retcode ); + } +#endif + DRM(ioremapfree)( map->handle, map->size ); + break; + case _DRM_SHM: + DRM(free_pages)( (unsigned long)map->handle, + DRM(order)( map->size ) + - PAGE_SHIFT, + DRM_MEM_SAREA ); + break; + case _DRM_AGP: + /* Do nothing here, because this is all + * handled in the AGP/GART driver. + */ + break; + } + DRM(free)( map, sizeof(*map), DRM_MEM_MAPS ); + } + DRM(free)( dev->maplist, + dev->map_count * sizeof(*dev->maplist), + DRM_MEM_MAPS ); + dev->maplist = NULL; + dev->map_count = 0; + } + +#if __HAVE_DMA_QUEUE || __HAVE_MULTIPLE_DMA_QUEUES + if ( dev->queuelist ) { + for ( i = 0 ; i < dev->queue_count ; i++ ) { + DRM(waitlist_destroy)( &dev->queuelist[i]->waitlist ); + if ( dev->queuelist[i] ) { + DRM(free)( dev->queuelist[i], + sizeof(*dev->queuelist[0]), + DRM_MEM_QUEUES ); + dev->queuelist[i] = NULL; + } + } + DRM(free)( dev->queuelist, + dev->queue_slots * sizeof(*dev->queuelist), + DRM_MEM_QUEUES ); + dev->queuelist = NULL; + } + dev->queue_count = 0; +#endif + +#if __HAVE_DMA + DRM(dma_takedown)( dev ); +#endif + if ( dev->lock.hw_lock ) { + dev->lock.hw_lock = NULL; /* SHM removed */ + dev->lock.pid = 0; + wake_up_interruptible( &dev->lock.lock_queue ); + } + up( &dev->struct_sem ); + + return 0; +} + +/* drm_init is called via init_module at module load time, or via + * linux/init/main.c (this is not currently supported). + */ +static int __init drm_init( void ) +{ + drm_device_t *dev = &DRM(device); +#if __HAVE_CTX_BITMAP + int retcode; +#endif + DRM_DEBUG( "\n" ); + + memset( (void *)dev, 0, sizeof(*dev) ); + dev->count_lock = SPIN_LOCK_UNLOCKED; + sema_init( &dev->struct_sem, 1 ); + +#ifdef MODULE + DRM(parse_options)( drm_opts ); +#endif + DRIVER_PREINIT(); + + DRM(mem_init)(); + + if ((DRM(minor) = DRM(stub_register)(DRIVER_NAME, &DRM(fops),dev)) < 0) + return -EPERM; + dev->device = MKDEV(DRM_MAJOR, DRM(minor) ); + dev->name = DRIVER_NAME; + +#if __REALLY_HAVE_AGP + dev->agp = DRM(agp_init)(); +#if __MUST_HAVE_AGP + if ( dev->agp == NULL ) { + DRM_ERROR( "Cannot initialize the agpgart module.\n" ); + DRM(stub_unregister)(DRM(minor)); + DRM(takedown)( dev ); + return -ENOMEM; + } +#endif +#if __REALLY_HAVE_MTRR + dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024, + MTRR_TYPE_WRCOMB, + 1 ); +#endif +#endif + +#if __HAVE_CTX_BITMAP + retcode = DRM(ctxbitmap_init)( dev ); + if( retcode ) { + DRM_ERROR( "Cannot allocate memory for context bitmap.\n" ); + DRM(stub_unregister)(DRM(minor)); + DRM(takedown)( dev ); + return retcode; + } +#endif + + DRIVER_POSTINIT(); + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + DRM(minor) ); + + return 0; +} + +/* drm_cleanup is called via cleanup_module at module unload time. + */ +static void __exit drm_cleanup( void ) +{ + drm_device_t *dev = &DRM(device); + + DRM_DEBUG( "\n" ); + + if ( DRM(stub_unregister)(DRM(minor)) ) { + DRM_ERROR( "Cannot unload module\n" ); + } else { + DRM_INFO( "Module unloaded\n" ); + } +#if __HAVE_CTX_BITMAP + DRM(ctxbitmap_cleanup)( dev ); +#endif + +#if __REALLY_HAVE_AGP && __REALLY_HAVE_MTRR + if ( dev->agp && dev->agp->agp_mtrr ) { + int retval; + retval = mtrr_del( dev->agp->agp_mtrr, + dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024 ); + DRM_DEBUG( "mtrr_del=%d\n", retval ); + } +#endif + + DRM(takedown)( dev ); + +#if __REALLY_HAVE_AGP + if ( dev->agp ) { + DRM(agp_uninit)(); + DRM(free)( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS ); + dev->agp = NULL; + } +#endif +} + +module_init( drm_init ); +module_exit( drm_cleanup ); + + +int DRM(version)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_version_t version; + int len; + + if ( copy_from_user( &version, + (drm_version_t *)arg, + sizeof(version) ) ) + return -EFAULT; + +#define DRM_COPY( name, value ) \ + len = strlen( value ); \ + if ( len > name##_len ) len = name##_len; \ + name##_len = strlen( value ); \ + if ( len && name ) { \ + if ( copy_to_user( name, value, len ) ) \ + return -EFAULT; \ + } + + version.version_major = DRIVER_MAJOR; + version.version_minor = DRIVER_MINOR; + version.version_patchlevel = DRIVER_PATCHLEVEL; + + DRM_COPY( version.name, DRIVER_NAME ); + DRM_COPY( version.date, DRIVER_DATE ); + DRM_COPY( version.desc, DRIVER_DESC ); + + if ( copy_to_user( (drm_version_t *)arg, + &version, + sizeof(version) ) ) + return -EFAULT; + return 0; +} + +int DRM(open)( struct inode *inode, struct file *filp ) +{ + drm_device_t *dev = &DRM(device); + int retcode = 0; + + DRM_DEBUG( "open_count = %d\n", dev->open_count ); + + retcode = DRM(open_helper)( inode, filp, dev ); + if ( !retcode ) { +#if LINUX_VERSION_CODE < 0x020333 + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + atomic_inc( &dev->counts[_DRM_STAT_OPENS] ); + spin_lock( &dev->count_lock ); + if ( !dev->open_count++ ) { + spin_unlock( &dev->count_lock ); + return DRM(setup)( dev ); + } + spin_unlock( &dev->count_lock ); + } + + return retcode; +} + +int DRM(release)( struct inode *inode, struct file *filp ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + int retcode = 0; + + lock_kernel(); + dev = priv->dev; + + DRM_DEBUG( "open_count = %d\n", dev->open_count ); + + DRIVER_PRERELEASE(); + + /* ======================================================== + * Begin inline drm_release + */ + + DRM_DEBUG( "pid = %d, device = 0x%x, open_count = %d\n", + current->pid, dev->device, dev->open_count ); + + if ( dev->lock.hw_lock && + _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) && + dev->lock.pid == current->pid ) { + DRM_ERROR( "Process %d dead, freeing lock for context %d\n", + current->pid, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); +#if __HAVE_RELEASE + DRIVER_RELEASE(); +#endif + DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); + + /* FIXME: may require heavy-handed reset of + hardware at this point, possibly + processed via a callback to the X + server. */ + } +#if __HAVE_RELEASE + else if ( dev->lock.hw_lock ) { + /* The lock is required to reclaim buffers */ + DECLARE_WAITQUEUE( entry, current ); + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + retcode = -EINTR; + break; + } + if ( DRM(lock_take)( &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + dev->lock.pid = priv->pid; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); + break; /* Got lock */ + } + /* Contention */ +#if 0 + atomic_inc( &dev->total_sleeps ); +#endif + schedule(); + if ( signal_pending( current ) ) { + retcode = -ERESTARTSYS; + break; + } + } + current->state = TASK_RUNNING; + remove_wait_queue( &dev->lock.lock_queue, &entry ); + if( !retcode ) { + DRIVER_RELEASE(); + DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); + } + } +#elif __HAVE_DMA + DRM(reclaim_buffers)( dev, priv->pid ); +#endif + + DRM(fasync)( -1, filp, 0 ); + + down( &dev->struct_sem ); + if ( priv->remove_auth_on_close == 1 ) { + drm_file_t *temp = dev->file_first; + while ( temp ) { + temp->authenticated = 0; + temp = temp->next; + } + } + if ( priv->prev ) { + priv->prev->next = priv->next; + } else { + dev->file_first = priv->next; + } + if ( priv->next ) { + priv->next->prev = priv->prev; + } else { + dev->file_last = priv->prev; + } + up( &dev->struct_sem ); + + DRM(free)( priv, sizeof(*priv), DRM_MEM_FILES ); + + /* ======================================================== + * End inline drm_release + */ + +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + atomic_inc( &dev->counts[_DRM_STAT_CLOSES] ); + spin_lock( &dev->count_lock ); + if ( !--dev->open_count ) { + if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) { + DRM_ERROR( "Device busy: %d %d\n", + atomic_read( &dev->ioctl_count ), + dev->blocked ); + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return -EBUSY; + } + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return DRM(takedown)( dev ); + } + spin_unlock( &dev->count_lock ); + + unlock_kernel(); + return retcode; +} + +/* DRM(ioctl) is called whenever a process performs an ioctl on /dev/drm. + */ +int DRM(ioctl)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ioctl_desc_t *ioctl; + drm_ioctl_t *func; + int nr = DRM_IOCTL_NR(cmd); + int retcode = 0; + + atomic_inc( &dev->ioctl_count ); + atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] ); + ++priv->ioctl_count; + + DRM_DEBUG( "pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%x, auth=%d\n", + current->pid, cmd, nr, dev->device, priv->authenticated ); + + if ( nr >= DRIVER_IOCTL_COUNT ) { + retcode = -EINVAL; + } else { + ioctl = &DRM(ioctls)[nr]; + func = ioctl->func; + + if ( !func ) { + DRM_DEBUG( "no function\n" ); + retcode = -EINVAL; + } else if ( ( ioctl->root_only && !capable( CAP_SYS_ADMIN ) )|| + ( ioctl->auth_needed && !priv->authenticated ) ) { + retcode = -EACCES; + } else { + retcode = func( inode, filp, cmd, arg ); + } + } + + atomic_dec( &dev->ioctl_count ); + return retcode; +} + +int DRM(lock)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + DECLARE_WAITQUEUE( entry, current ); + drm_lock_t lock; + int ret = 0; +#if __HAVE_MULTIPLE_DMA_QUEUES + drm_queue_t *q; +#endif +#if __HAVE_DMA_HISTOGRAM + cycles_t start; + + dev->lck_start = start = get_cycles(); +#endif + + if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", + lock.context, current->pid, + dev->lock.hw_lock->lock, lock.flags ); + +#if __HAVE_DMA_QUEUE + if ( lock.context < 0 ) + return -EINVAL; +#elif __HAVE_MULTIPLE_DMA_QUEUES + if ( lock.context < 0 || lock.context >= dev->queue_count ) + return -EINVAL; + q = dev->queuelist[lock.context]; +#endif + +#if __HAVE_DMA_FLUSH + ret = DRM(flush_block_and_flush)( dev, lock.context, lock.flags ); +#endif + if ( !ret ) { + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + ret = -EINTR; + break; + } + if ( DRM(lock_take)( &dev->lock.hw_lock->lock, + lock.context ) ) { + dev->lock.pid = current->pid; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); + break; /* Got lock */ + } + + /* Contention */ + schedule(); + if ( signal_pending( current ) ) { + ret = -ERESTARTSYS; + break; + } + } + current->state = TASK_RUNNING; + remove_wait_queue( &dev->lock.lock_queue, &entry ); + } + +#if __HAVE_DMA_FLUSH + DRM(flush_unblock)( dev, lock.context, lock.flags ); /* cleanup phase */ +#endif + + if ( !ret ) { + sigemptyset( &dev->sigmask ); + sigaddset( &dev->sigmask, SIGSTOP ); + sigaddset( &dev->sigmask, SIGTSTP ); + sigaddset( &dev->sigmask, SIGTTIN ); + sigaddset( &dev->sigmask, SIGTTOU ); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals( DRM(notifier), + &dev->sigdata, &dev->sigmask ); + +#if __HAVE_DMA_READY + if ( lock.flags & _DRM_LOCK_READY ) { + DRIVER_DMA_READY(); + } +#endif +#if __HAVE_DMA_QUIESCENT + if ( lock.flags & _DRM_LOCK_QUIESCENT ) { + DRIVER_DMA_QUIESCENT(); + } +#endif + } + + DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" ); + +#if __HAVE_DMA_HISTOGRAM + atomic_inc(&dev->histo.lacq[DRM(histogram_slot)(get_cycles()-start)]); +#endif + return ret; +} + + +int DRM(unlock)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_lock_t lock; + + if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] ); + + DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); +#if __HAVE_DMA_SCHEDULE + DRM(dma_schedule)( dev, 1 ); +#endif + + /* FIXME: Do we ever really need to check this??? + */ + if ( 1 /* !dev->context_flag */ ) { + if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + DRM_ERROR( "\n" ); + } + } + + unblock_all_signals(); + return 0; +} diff --git a/linux/drm_fops.h b/linux/drm_fops.h new file mode 100644 index 00000000..dd574766 --- /dev/null +++ b/linux/drm_fops.h @@ -0,0 +1,208 @@ +/* drm_fops.h -- File operations for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Daryll Strauss <daryll@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" +#include <linux/poll.h> + +/* drm_open is called whenever a process opens /dev/drm. */ + +int DRM(open_helper)(struct inode *inode, struct file *filp, drm_device_t *dev) +{ + kdev_t minor = MINOR(inode->i_rdev); + drm_file_t *priv; + + if (filp->f_flags & O_EXCL) return -EBUSY; /* No exclusive opens */ + if (!DRM(cpu_valid)()) return -EINVAL; + + DRM_DEBUG("pid = %d, minor = %d\n", current->pid, minor); + + priv = DRM(alloc)(sizeof(*priv), DRM_MEM_FILES); + memset(priv, 0, sizeof(*priv)); + filp->private_data = priv; + priv->uid = current->euid; + priv->pid = current->pid; + priv->minor = minor; + priv->dev = dev; + priv->ioctl_count = 0; + priv->authenticated = capable(CAP_SYS_ADMIN); + + down(&dev->struct_sem); + if (!dev->file_last) { + priv->next = NULL; + priv->prev = NULL; + dev->file_first = priv; + dev->file_last = priv; + } else { + priv->next = NULL; + priv->prev = dev->file_last; + dev->file_last->next = priv; + dev->file_last = priv; + } + up(&dev->struct_sem); + + return 0; +} + +int DRM(flush)(struct file *filp) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", + current->pid, dev->device, dev->open_count); + return 0; +} + +int DRM(fasync)(int fd, struct file *filp, int on) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int retcode; + + DRM_DEBUG("fd = %d, device = 0x%x\n", fd, dev->device); + retcode = fasync_helper(fd, filp, on, &dev->buf_async); + if (retcode < 0) return retcode; + return 0; +} + + +/* The drm_read and drm_write_string code (especially that which manages + the circular buffer), is based on Alessandro Rubini's LINUX DEVICE + DRIVERS (Cambridge: O'Reilly, 1998), pages 111-113. */ + +ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int left; + int avail; + int send; + int cur; + + DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp); + + while (dev->buf_rp == dev->buf_wp) { + DRM_DEBUG(" sleeping\n"); + if (filp->f_flags & O_NONBLOCK) { + return -EAGAIN; + } + interruptible_sleep_on(&dev->buf_readers); + if (signal_pending(current)) { + DRM_DEBUG(" interrupted\n"); + return -ERESTARTSYS; + } + DRM_DEBUG(" awake\n"); + } + + left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ; + avail = DRM_BSZ - left; + send = DRM_MIN(avail, count); + + while (send) { + if (dev->buf_wp > dev->buf_rp) { + cur = DRM_MIN(send, dev->buf_wp - dev->buf_rp); + } else { + cur = DRM_MIN(send, dev->buf_end - dev->buf_rp); + } + if (copy_to_user(buf, dev->buf_rp, cur)) + return -EFAULT; + dev->buf_rp += cur; + if (dev->buf_rp == dev->buf_end) dev->buf_rp = dev->buf; + send -= cur; + } + + wake_up_interruptible(&dev->buf_writers); + return DRM_MIN(avail, count);; +} + +int DRM(write_string)(drm_device_t *dev, const char *s) +{ + int left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ; + int send = strlen(s); + int count; + + DRM_DEBUG("%d left, %d to send (%p, %p)\n", + left, send, dev->buf_rp, dev->buf_wp); + + if (left == 1 || dev->buf_wp != dev->buf_rp) { + DRM_ERROR("Buffer not empty (%d left, wp = %p, rp = %p)\n", + left, + dev->buf_wp, + dev->buf_rp); + } + + while (send) { + if (dev->buf_wp >= dev->buf_rp) { + count = DRM_MIN(send, dev->buf_end - dev->buf_wp); + if (count == left) --count; /* Leave a hole */ + } else { + count = DRM_MIN(send, dev->buf_rp - dev->buf_wp - 1); + } + strncpy(dev->buf_wp, s, count); + dev->buf_wp += count; + if (dev->buf_wp == dev->buf_end) dev->buf_wp = dev->buf; + send -= count; + } + +#if LINUX_VERSION_CODE < 0x020315 && !defined(KILLFASYNCHASTHREEPARAMETERS) + /* The extra parameter to kill_fasync was added in 2.3.21, and is + _not_ present in _stock_ 2.2.14 and 2.2.15. However, some + distributions patch 2.2.x kernels to add this parameter. The + Makefile.linux attempts to detect this addition and defines + KILLFASYNCHASTHREEPARAMETERS if three parameters are found. */ + if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO); +#else + + /* Parameter added in 2.3.21. */ +#if LINUX_VERSION_CODE < 0x020400 + if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO, POLL_IN); +#else + /* Type of first parameter changed in + Linux 2.4.0-test2... */ + if (dev->buf_async) kill_fasync(&dev->buf_async, SIGIO, POLL_IN); +#endif +#endif + DRM_DEBUG("waking\n"); + wake_up_interruptible(&dev->buf_readers); + return 0; +} + +unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + poll_wait(filp, &dev->buf_readers, wait); + if (dev->buf_wp != dev->buf_rp) return POLLIN | POLLRDNORM; + return 0; +} diff --git a/linux/drm_init.h b/linux/drm_init.h new file mode 100644 index 00000000..9ae98414 --- /dev/null +++ b/linux/drm_init.h @@ -0,0 +1,112 @@ +/* drm_init.h -- Setup/Cleanup for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +int DRM(flags) = 0; + +/* drm_parse_option parses a single option. See description for + * drm_parse_options for details. + */ +static void DRM(parse_option)(char *s) +{ + char *c, *r; + + DRM_DEBUG("\"%s\"\n", s); + if (!s || !*s) return; + for (c = s; *c && *c != ':'; c++); /* find : or \0 */ + if (*c) r = c + 1; else r = NULL; /* remember remainder */ + *c = '\0'; /* terminate */ + if (!strcmp(s, "noctx")) { + DRM(flags) |= DRM_FLAG_NOCTX; + DRM_INFO("Server-mediated context switching OFF\n"); + return; + } + if (!strcmp(s, "debug")) { + DRM(flags) |= DRM_FLAG_DEBUG; + DRM_INFO("Debug messages ON\n"); + return; + } + DRM_ERROR("\"%s\" is not a valid option\n", s); + return; +} + +/* drm_parse_options parse the insmod "drm=" options, or the command-line + * options passed to the kernel via LILO. The grammar of the format is as + * follows: + * + * drm ::= 'drm=' option_list + * option_list ::= option [ ';' option_list ] + * option ::= 'device:' major + * | 'debug' + * | 'noctx' + * major ::= INTEGER + * + * Note that 's' contains option_list without the 'drm=' part. + * + * device=major,minor specifies the device number used for /dev/drm + * if major == 0 then the misc device is used + * if major == 0 and minor == 0 then dynamic misc allocation is used + * debug=on specifies that debugging messages will be printk'd + * debug=trace specifies that each function call will be logged via printk + * debug=off turns off all debugging options + * + */ + +void DRM(parse_options)(char *s) +{ + char *h, *t, *n; + + DRM_DEBUG("\"%s\"\n", s ?: ""); + if (!s || !*s) return; + + for (h = t = n = s; h && *h; h = n) { + for (; *t && *t != ';'; t++); /* find ; or \0 */ + if (*t) n = t + 1; else n = NULL; /* remember next */ + *t = '\0'; /* terminate */ + DRM(parse_option)(h); /* parse */ + } +} + +/* drm_cpu_valid returns non-zero if the DRI will run on this CPU, and 0 + * otherwise. + */ +int DRM(cpu_valid)(void) +{ +#if defined(__i386__) + if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */ +#endif +#if defined(__sparc__) && !defined(__sparc_v9__) + return 0; /* No cmpxchg before v9 sparc. */ +#endif + return 1; +} diff --git a/linux/drm_ioctl.h b/linux/drm_ioctl.h new file mode 100644 index 00000000..ce6ac2e6 --- /dev/null +++ b/linux/drm_ioctl.h @@ -0,0 +1,192 @@ +/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*- + * Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +int DRM(irq_busid)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_irq_busid_t p; + struct pci_dev *dev; + + if (copy_from_user(&p, (drm_irq_busid_t *)arg, sizeof(p))) + return -EFAULT; + dev = pci_find_slot(p.busnum, PCI_DEVFN(p.devnum, p.funcnum)); + if (dev) p.irq = dev->irq; + else p.irq = 0; + DRM_DEBUG("%d:%d:%d => IRQ %d\n", + p.busnum, p.devnum, p.funcnum, p.irq); + if (copy_to_user((drm_irq_busid_t *)arg, &p, sizeof(p))) + return -EFAULT; + return 0; +} + +int DRM(getunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_unique_t u; + + if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u))) + return -EFAULT; + if (u.unique_len >= dev->unique_len) { + if (copy_to_user(u.unique, dev->unique, dev->unique_len)) + return -EFAULT; + } + u.unique_len = dev->unique_len; + if (copy_to_user((drm_unique_t *)arg, &u, sizeof(u))) + return -EFAULT; + return 0; +} + +int DRM(setunique)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_unique_t u; + + if (dev->unique_len || dev->unique) + return -EBUSY; + + if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u))) + return -EFAULT; + + if (!u.unique_len) + return -EINVAL; + + dev->unique_len = u.unique_len; + dev->unique = DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER); + if (copy_from_user(dev->unique, u.unique, dev->unique_len)) + return -EFAULT; + dev->unique[dev->unique_len] = '\0'; + + dev->devname = DRM(alloc)(strlen(dev->name) + strlen(dev->unique) + 2, + DRM_MEM_DRIVER); + sprintf(dev->devname, "%s@%s", dev->name, dev->unique); + + return 0; +} + + +int DRM(getmap)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_map_t map; + int idx; + + if (copy_from_user(&map, (drm_map_t *)arg, sizeof(map))) + return -EFAULT; + idx = map.offset; + down(&dev->struct_sem); + if (idx < 0 || idx >= dev->map_count) { + up(&dev->struct_sem); + return -EINVAL; + } + map.offset = dev->maplist[idx]->offset; + map.size = dev->maplist[idx]->size; + map.type = dev->maplist[idx]->type; + map.flags = dev->maplist[idx]->flags; + map.handle = dev->maplist[idx]->handle; + map.mtrr = dev->maplist[idx]->mtrr; + up(&dev->struct_sem); + + if (copy_to_user((drm_map_t *)arg, &map, sizeof(map))) return -EFAULT; + return 0; +} + +int DRM(getclient)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_client_t client; + drm_file_t *pt; + int idx; + int i; + + if (copy_from_user(&client, (drm_client_t *)arg, sizeof(client))) + return -EFAULT; + idx = client.idx; + down(&dev->struct_sem); + for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next) + ; + + if (!pt) { + up(&dev->struct_sem); + return -EINVAL; + } + client.auth = pt->authenticated; + client.pid = pt->pid; + client.uid = pt->uid; + client.magic = pt->magic; + client.iocs = pt->ioctl_count; + up(&dev->struct_sem); + + if (copy_to_user((drm_client_t *)arg, &client, sizeof(client))) + return -EFAULT; + return 0; +} + +int DRM(getstats)( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_stats_t stats; + int i; + + memset(&stats, 0, sizeof(stats)); + + down(&dev->struct_sem); + + for (i = 0; i < dev->counters; i++) { + if (dev->types[i] == _DRM_STAT_LOCK) + stats.data[i].value + = (dev->lock.hw_lock + ? dev->lock.hw_lock->lock : 0); + else + stats.data[i].value = atomic_read(&dev->counts[i]); + stats.data[i].type = dev->types[i]; + } + + stats.count = dev->counters; + + up(&dev->struct_sem); + + if (copy_to_user((drm_stats_t *)arg, &stats, sizeof(stats))) + return -EFAULT; + return 0; +} diff --git a/linux/lists.c b/linux/drm_lists.h index 60e66b8f..f8dbaaa7 100644 --- a/linux/lists.c +++ b/linux/drm_lists.h @@ -1,5 +1,5 @@ -/* lists.c -- Buffer list handling routines -*- linux-c -*- - * Created: Mon Apr 19 20:54:22 1999 by faith@precisioninsight.com +/* drm_lists.h -- Buffer list handling routines -*- linux-c -*- + * Created: Mon Apr 19 20:54:22 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. @@ -11,34 +11,36 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" -int drm_waitlist_create(drm_waitlist_t *bl, int count) +#if __HAVE_DMA_WAITLIST + +int DRM(waitlist_create)(drm_waitlist_t *bl, int count) { if (bl->count) return -EINVAL; - + bl->count = count; - bl->bufs = drm_alloc((bl->count + 2) * sizeof(*bl->bufs), - DRM_MEM_BUFLISTS); + bl->bufs = DRM(alloc)((bl->count + 2) * sizeof(*bl->bufs), + DRM_MEM_BUFLISTS); bl->rp = bl->bufs; bl->wp = bl->bufs; bl->end = &bl->bufs[bl->count+1]; @@ -47,12 +49,12 @@ int drm_waitlist_create(drm_waitlist_t *bl, int count) return 0; } -int drm_waitlist_destroy(drm_waitlist_t *bl) +int DRM(waitlist_destroy)(drm_waitlist_t *bl) { if (bl->rp != bl->wp) return -EINVAL; - if (bl->bufs) drm_free(bl->bufs, - (bl->count + 2) * sizeof(*bl->bufs), - DRM_MEM_BUFLISTS); + if (bl->bufs) DRM(free)(bl->bufs, + (bl->count + 2) * sizeof(*bl->bufs), + DRM_MEM_BUFLISTS); bl->count = 0; bl->bufs = NULL; bl->rp = NULL; @@ -61,8 +63,8 @@ int drm_waitlist_destroy(drm_waitlist_t *bl) return 0; } -int drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf) -{ +int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf) +{ int left; unsigned long flags; @@ -72,20 +74,20 @@ int drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf) buf->idx, buf->pid); return -EINVAL; } -#if DRM_DMA_HISTOGRAM +#if __HAVE_DMA_HISTOGRAM buf->time_queued = get_cycles(); #endif buf->list = DRM_LIST_WAIT; - + spin_lock_irqsave(&bl->write_lock, flags); *bl->wp = buf; if (++bl->wp >= bl->end) bl->wp = bl->bufs; spin_unlock_irqrestore(&bl->write_lock, flags); - + return 0; } -drm_buf_t *drm_waitlist_get(drm_waitlist_t *bl) +drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl) { drm_buf_t *buf; unsigned long flags; @@ -95,14 +97,19 @@ drm_buf_t *drm_waitlist_get(drm_waitlist_t *bl) if (bl->rp == bl->wp) { spin_unlock_irqrestore(&bl->read_lock, flags); return NULL; - } + } if (++bl->rp >= bl->end) bl->rp = bl->bufs; spin_unlock_irqrestore(&bl->read_lock, flags); - + return buf; } -int drm_freelist_create(drm_freelist_t *bl, int count) +#endif /* __HAVE_DMA_WAITLIST */ + + +#if __HAVE_DMA_FREELIST + +int DRM(freelist_create)(drm_freelist_t *bl, int count) { atomic_set(&bl->count, 0); bl->next = NULL; @@ -115,14 +122,14 @@ int drm_freelist_create(drm_freelist_t *bl, int count) return 0; } -int drm_freelist_destroy(drm_freelist_t *bl) +int DRM(freelist_destroy)(drm_freelist_t *bl) { atomic_set(&bl->count, 0); bl->next = NULL; return 0; } -int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) +int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) { drm_device_dma_t *dma = dev->dma; @@ -136,17 +143,17 @@ int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) buf->idx, buf->waiting, buf->pending, buf->list); } if (!bl) return 1; -#if DRM_DMA_HISTOGRAM +#if __HAVE_DMA_HISTOGRAM buf->time_freed = get_cycles(); - drm_histogram_compute(dev, buf); + DRM(histogram_compute)(dev, buf); #endif buf->list = DRM_LIST_FREE; - + spin_lock(&bl->lock); buf->next = bl->next; bl->next = buf; spin_unlock(&bl->lock); - + atomic_inc(&bl->count); if (atomic_read(&bl->count) > dma->buf_count) { DRM_ERROR("%d of %d buffers free after addition of %d\n", @@ -161,12 +168,12 @@ int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) return 0; } -static drm_buf_t *drm_freelist_try(drm_freelist_t *bl) +static drm_buf_t *DRM(freelist_try)(drm_freelist_t *bl) { drm_buf_t *buf; if (!bl) return NULL; - + /* Get buffer */ spin_lock(&bl->lock); if (!bl->next) { @@ -176,7 +183,7 @@ static drm_buf_t *drm_freelist_try(drm_freelist_t *bl) buf = bl->next; bl->next = bl->next->next; spin_unlock(&bl->lock); - + atomic_dec(&bl->count); buf->next = NULL; buf->list = DRM_LIST_NONE; @@ -184,17 +191,17 @@ static drm_buf_t *drm_freelist_try(drm_freelist_t *bl) DRM_ERROR("Free buffer %d: w%d, p%d, l%d\n", buf->idx, buf->waiting, buf->pending, buf->list); } - + return buf; } -drm_buf_t *drm_freelist_get(drm_freelist_t *bl, int block) +drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block) { drm_buf_t *buf = NULL; DECLARE_WAITQUEUE(entry, current); if (!bl || !bl->initialized) return NULL; - + /* Check for low water mark */ if (atomic_read(&bl->count) <= bl->low_mark) /* Became low */ atomic_set(&bl->wfh, 1); @@ -204,7 +211,7 @@ drm_buf_t *drm_freelist_get(drm_freelist_t *bl, int block) for (;;) { current->state = TASK_INTERRUPTIBLE; if (!atomic_read(&bl->wfh) - && (buf = drm_freelist_try(bl))) break; + && (buf = DRM(freelist_try)(bl))) break; schedule(); if (signal_pending(current)) break; } @@ -213,6 +220,8 @@ drm_buf_t *drm_freelist_get(drm_freelist_t *bl, int block) } return buf; } - - return drm_freelist_try(bl); + + return DRM(freelist_try)(bl); } + +#endif /* __HAVE_DMA_FREELIST */ diff --git a/linux/drm_lock.h b/linux/drm_lock.h new file mode 100644 index 00000000..c10cfe2c --- /dev/null +++ b/linux/drm_lock.h @@ -0,0 +1,251 @@ +/* lock.c -- IOCTLs for locking -*- linux-c -*- + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +int DRM(block)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + DRM_DEBUG("\n"); + return 0; +} + +int DRM(unblock)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + DRM_DEBUG("\n"); + return 0; +} + +int DRM(lock_take)(__volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + + do { + old = *lock; + if (old & _DRM_LOCK_HELD) new = old | _DRM_LOCK_CONT; + else new = context | _DRM_LOCK_HELD; + prev = cmpxchg(lock, old, new); + } while (prev != old); + if (_DRM_LOCKING_CONTEXT(old) == context) { + if (old & _DRM_LOCK_HELD) { + if (context != DRM_KERNEL_CONTEXT) { + DRM_ERROR("%d holds heavyweight lock\n", + context); + } + return 0; + } + } + if (new == (context | _DRM_LOCK_HELD)) { + /* Have lock */ + return 1; + } + return 0; +} + +/* This takes a lock forcibly and hands it to context. Should ONLY be used + inside *_unlock to give lock to kernel before calling *_dma_schedule. */ +int DRM(lock_transfer)(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + + dev->lock.pid = 0; + do { + old = *lock; + new = context | _DRM_LOCK_HELD; + prev = cmpxchg(lock, old, new); + } while (prev != old); + return 1; +} + +int DRM(lock_free)(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + pid_t pid = dev->lock.pid; + + dev->lock.pid = 0; + do { + old = *lock; + new = 0; + prev = cmpxchg(lock, old, new); + } while (prev != old); + if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) { + DRM_ERROR("%d freed heavyweight lock held by %d (pid %d)\n", + context, + _DRM_LOCKING_CONTEXT(old), + pid); + return 1; + } + wake_up_interruptible(&dev->lock.lock_queue); + return 0; +} + +static int DRM(flush_queue)(drm_device_t *dev, int context) +{ + DECLARE_WAITQUEUE(entry, current); + int ret = 0; + drm_queue_t *q = dev->queuelist[context]; + + DRM_DEBUG("\n"); + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) > 1) { + atomic_inc(&q->block_write); + add_wait_queue(&q->flush_queue, &entry); + atomic_inc(&q->block_count); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if (!DRM_BUFCOUNT(&q->waitlist)) break; + schedule(); + if (signal_pending(current)) { + ret = -EINTR; /* Can't restart */ + break; + } + } + atomic_dec(&q->block_count); + current->state = TASK_RUNNING; + remove_wait_queue(&q->flush_queue, &entry); + } + atomic_dec(&q->use_count); + + /* NOTE: block_write is still incremented! + Use drm_flush_unlock_queue to decrement. */ + return ret; +} + +static int DRM(flush_unblock_queue)(drm_device_t *dev, int context) +{ + drm_queue_t *q = dev->queuelist[context]; + + DRM_DEBUG("\n"); + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) > 1) { + if (atomic_read(&q->block_write)) { + atomic_dec(&q->block_write); + wake_up_interruptible(&q->write_queue); + } + } + atomic_dec(&q->use_count); + return 0; +} + +int DRM(flush_block_and_flush)(drm_device_t *dev, int context, + drm_lock_flags_t flags) +{ + int ret = 0; + int i; + + DRM_DEBUG("\n"); + + if (flags & _DRM_LOCK_FLUSH) { + ret = DRM(flush_queue)(dev, DRM_KERNEL_CONTEXT); + if (!ret) ret = DRM(flush_queue)(dev, context); + } + if (flags & _DRM_LOCK_FLUSH_ALL) { + for (i = 0; !ret && i < dev->queue_count; i++) { + ret = DRM(flush_queue)(dev, i); + } + } + return ret; +} + +int DRM(flush_unblock)(drm_device_t *dev, int context, drm_lock_flags_t flags) +{ + int ret = 0; + int i; + + DRM_DEBUG("\n"); + + if (flags & _DRM_LOCK_FLUSH) { + ret = DRM(flush_unblock_queue)(dev, DRM_KERNEL_CONTEXT); + if (!ret) ret = DRM(flush_unblock_queue)(dev, context); + } + if (flags & _DRM_LOCK_FLUSH_ALL) { + for (i = 0; !ret && i < dev->queue_count; i++) { + ret = DRM(flush_unblock_queue)(dev, i); + } + } + + return ret; +} + +int DRM(finish)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int ret = 0; + drm_lock_t lock; + + DRM_DEBUG("\n"); + + if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) + return -EFAULT; + ret = DRM(flush_block_and_flush)(dev, lock.context, lock.flags); + DRM(flush_unblock)(dev, lock.context, lock.flags); + return ret; +} + +/* If we get here, it means that the process has called DRM_IOCTL_LOCK + without calling DRM_IOCTL_UNLOCK. + + If the lock is not held, then let the signal proceed as usual. + + If the lock is held, then set the contended flag and keep the signal + blocked. + + + Return 1 if the signal should be delivered normally. + Return 0 if the signal should be blocked. */ + +int DRM(notifier)(void *priv) +{ + drm_sigdata_t *s = (drm_sigdata_t *)priv; + unsigned int old, new, prev; + + + /* Allow signal delivery if lock isn't held */ + if (!_DRM_LOCK_IS_HELD(s->lock->lock) + || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1; + + /* Otherwise, set flag to force call to + drmUnlock */ + do { + old = s->lock->lock; + new = old | _DRM_LOCK_CONT; + prev = cmpxchg(&s->lock->lock, old, new); + } while (prev != old); + return 0; +} diff --git a/linux/drm_memory.h b/linux/drm_memory.h new file mode 100644 index 00000000..caf05394 --- /dev/null +++ b/linux/drm_memory.h @@ -0,0 +1,460 @@ +/* drm_memory.h -- Memory management wrappers for DRM -*- linux-c -*- + * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include <linux/config.h> +#include "drmP.h" +#include <linux/wrapper.h> + +typedef struct drm_mem_stats { + const char *name; + int succeed_count; + int free_count; + int fail_count; + unsigned long bytes_allocated; + unsigned long bytes_freed; +} drm_mem_stats_t; + +static spinlock_t DRM(mem_lock) = SPIN_LOCK_UNLOCKED; +static unsigned long DRM(ram_available) = 0; /* In pages */ +static unsigned long DRM(ram_used) = 0; +static drm_mem_stats_t DRM(mem_stats)[] = { + [DRM_MEM_DMA] = { "dmabufs" }, + [DRM_MEM_SAREA] = { "sareas" }, + [DRM_MEM_DRIVER] = { "driver" }, + [DRM_MEM_MAGIC] = { "magic" }, + [DRM_MEM_IOCTLS] = { "ioctltab" }, + [DRM_MEM_MAPS] = { "maplist" }, + [DRM_MEM_VMAS] = { "vmalist" }, + [DRM_MEM_BUFS] = { "buflist" }, + [DRM_MEM_SEGS] = { "seglist" }, + [DRM_MEM_PAGES] = { "pagelist" }, + [DRM_MEM_FILES] = { "files" }, + [DRM_MEM_QUEUES] = { "queues" }, + [DRM_MEM_CMDS] = { "commands" }, + [DRM_MEM_MAPPINGS] = { "mappings" }, + [DRM_MEM_BUFLISTS] = { "buflists" }, + [DRM_MEM_AGPLISTS] = { "agplist" }, + [DRM_MEM_TOTALAGP] = { "totalagp" }, + [DRM_MEM_BOUNDAGP] = { "boundagp" }, + [DRM_MEM_CTXBITMAP] = { "ctxbitmap"}, + [DRM_MEM_STUB] = { "stub" }, + { NULL, 0, } /* Last entry must be null */ +}; + +void DRM(mem_init)(void) +{ + drm_mem_stats_t *mem; + struct sysinfo si; + + for (mem = DRM(mem_stats); mem->name; ++mem) { + mem->succeed_count = 0; + mem->free_count = 0; + mem->fail_count = 0; + mem->bytes_allocated = 0; + mem->bytes_freed = 0; + } + + si_meminfo(&si); +#if LINUX_VERSION_CODE < 0x020317 + /* Changed to page count in 2.3.23 */ + DRM(ram_available) = si.totalram >> PAGE_SHIFT; +#else + DRM(ram_available) = si.totalram; +#endif + DRM(ram_used) = 0; +} + +/* drm_mem_info is called whenever a process reads /dev/drm/mem. */ + +static int DRM(_mem_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_mem_stats_t *pt; + int len = 0; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *eof = 0; + *start = &buf[offset]; + + DRM_PROC_PRINT(" total counts " + " | outstanding \n"); + DRM_PROC_PRINT("type alloc freed fail bytes freed" + " | allocs bytes\n\n"); + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", + "system", 0, 0, 0, + DRM(ram_available) << (PAGE_SHIFT - 10)); + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", + "locked", 0, 0, 0, DRM(ram_used) >> 10); + DRM_PROC_PRINT("\n"); + for (pt = DRM(mem_stats); pt->name; pt++) { + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n", + pt->name, + pt->succeed_count, + pt->free_count, + pt->fail_count, + pt->bytes_allocated, + pt->bytes_freed, + pt->succeed_count - pt->free_count, + (long)pt->bytes_allocated + - (long)pt->bytes_freed); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +int DRM(mem_info)(char *buf, char **start, off_t offset, + int len, int *eof, void *data) +{ + int ret; + + spin_lock(&DRM(mem_lock)); + ret = DRM(_mem_info)(buf, start, offset, len, eof, data); + spin_unlock(&DRM(mem_lock)); + return ret; +} + +void *DRM(alloc)(size_t size, int area) +{ + void *pt; + + if (!size) { + DRM_MEM_ERROR(area, "Allocating 0 bytes\n"); + return NULL; + } + + if (!(pt = kmalloc(size, GFP_KERNEL))) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].fail_count; + spin_unlock(&DRM(mem_lock)); + return NULL; + } + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].succeed_count; + DRM(mem_stats)[area].bytes_allocated += size; + spin_unlock(&DRM(mem_lock)); + return pt; +} + +void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area) +{ + void *pt; + + if (!(pt = DRM(alloc)(size, area))) return NULL; + if (oldpt && oldsize) { + memcpy(pt, oldpt, oldsize); + DRM(free)(oldpt, oldsize, area); + } + return pt; +} + +char *DRM(strdup)(const char *s, int area) +{ + char *pt; + int length = s ? strlen(s) : 0; + + if (!(pt = DRM(alloc)(length+1, area))) return NULL; + strcpy(pt, s); + return pt; +} + +void DRM(strfree)(const char *s, int area) +{ + unsigned int size; + + if (!s) return; + + size = 1 + (s ? strlen(s) : 0); + DRM(free)((void *)s, size, area); +} + +void DRM(free)(void *pt, size_t size, int area) +{ + int alloc_count; + int free_count; + + if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n"); + else kfree(pt); + spin_lock(&DRM(mem_lock)); + DRM(mem_stats)[area].bytes_freed += size; + free_count = ++DRM(mem_stats)[area].free_count; + alloc_count = DRM(mem_stats)[area].succeed_count; + spin_unlock(&DRM(mem_lock)); + if (free_count > alloc_count) { + DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } +} + +unsigned long DRM(alloc_pages)(int order, int area) +{ + unsigned long address; + unsigned long bytes = PAGE_SIZE << order; + unsigned long addr; + unsigned int sz; + + spin_lock(&DRM(mem_lock)); + if ((DRM(ram_used) >> PAGE_SHIFT) + > (DRM_RAM_PERCENT * DRM(ram_available)) / 100) { + spin_unlock(&DRM(mem_lock)); + return 0; + } + spin_unlock(&DRM(mem_lock)); + + address = __get_free_pages(GFP_KERNEL, order); + if (!address) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].fail_count; + spin_unlock(&DRM(mem_lock)); + return 0; + } + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].succeed_count; + DRM(mem_stats)[area].bytes_allocated += bytes; + DRM(ram_used) += bytes; + spin_unlock(&DRM(mem_lock)); + + + /* Zero outside the lock */ + memset((void *)address, 0, bytes); + + /* Reserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { +#if LINUX_VERSION_CODE >= 0x020400 + /* Argument type changed in 2.4.0-test6/pre8 */ + mem_map_reserve(virt_to_page(addr)); +#else + mem_map_reserve(MAP_NR(addr)); +#endif + } + + return address; +} + +void DRM(free_pages)(unsigned long address, int order, int area) +{ + unsigned long bytes = PAGE_SIZE << order; + int alloc_count; + int free_count; + unsigned long addr; + unsigned int sz; + + if (!address) { + DRM_MEM_ERROR(area, "Attempt to free address 0\n"); + } else { + /* Unreserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { +#if LINUX_VERSION_CODE >= 0x020400 + /* Argument type changed in 2.4.0-test6/pre8 */ + mem_map_unreserve(virt_to_page(addr)); +#else + mem_map_unreserve(MAP_NR(addr)); +#endif + } + free_pages(address, order); + } + + spin_lock(&DRM(mem_lock)); + free_count = ++DRM(mem_stats)[area].free_count; + alloc_count = DRM(mem_stats)[area].succeed_count; + DRM(mem_stats)[area].bytes_freed += bytes; + DRM(ram_used) -= bytes; + spin_unlock(&DRM(mem_lock)); + if (free_count > alloc_count) { + DRM_MEM_ERROR(area, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } +} + +void *DRM(ioremap)(unsigned long offset, unsigned long size) +{ + void *pt; + + if (!size) { + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Mapping 0 bytes at 0x%08lx\n", offset); + return NULL; + } + + if (!(pt = ioremap(offset, size))) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count; + spin_unlock(&DRM(mem_lock)); + return NULL; + } + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; + DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size; + spin_unlock(&DRM(mem_lock)); + return pt; +} + +void DRM(ioremapfree)(void *pt, unsigned long size) +{ + int alloc_count; + int free_count; + + if (!pt) + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Attempt to free NULL pointer\n"); + else + iounmap(pt); + + spin_lock(&DRM(mem_lock)); + DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_freed += size; + free_count = ++DRM(mem_stats)[DRM_MEM_MAPPINGS].free_count; + alloc_count = DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; + spin_unlock(&DRM(mem_lock)); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } +} + +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) +#if __MUST_HAVE_AGP + +agp_memory *DRM(alloc_agp)(int pages, u32 type) +{ + agp_memory *handle; + + if (!pages) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n"); + return NULL; + } + + if ((handle = DRM(agp_allocate_memory)(pages, type))) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_allocated + += pages << PAGE_SHIFT; + spin_unlock(&DRM(mem_lock)); + return handle; + } + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_TOTALAGP].fail_count; + spin_unlock(&DRM(mem_lock)); + return NULL; +} + +int DRM(free_agp)(agp_memory *handle, int pages) +{ + int alloc_count; + int free_count; + int retval = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, + "Attempt to free NULL AGP handle\n"); + return retval;; + } + + if (DRM(agp_free_memory)(handle)) { + spin_lock(&DRM(mem_lock)); + free_count = ++DRM(mem_stats)[DRM_MEM_TOTALAGP].free_count; + alloc_count = DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_freed + += pages << PAGE_SHIFT; + spin_unlock(&DRM(mem_lock)); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } + return 0; + } + return retval; +} + +int DRM(bind_agp)(agp_memory *handle, unsigned int start) +{ + int retcode = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Attempt to bind NULL AGP handle\n"); + return retcode; + } + + if (!(retcode = DRM(agp_bind_memory)(handle, start))) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_allocated + += handle->page_count << PAGE_SHIFT; + spin_unlock(&DRM(mem_lock)); + return retcode; + } + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].fail_count; + spin_unlock(&DRM(mem_lock)); + return retcode; +} + +int DRM(unbind_agp)(agp_memory *handle) +{ + int alloc_count; + int free_count; + int retcode = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Attempt to unbind NULL AGP handle\n"); + return retcode; + } + + if ((retcode = DRM(agp_unbind_memory)(handle))) return retcode; + spin_lock(&DRM(mem_lock)); + free_count = ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].free_count; + alloc_count = DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_freed + += handle->page_count << PAGE_SHIFT; + spin_unlock(&DRM(mem_lock)); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } + return retcode; +} +#endif +#endif /* defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) */ diff --git a/linux/drm_proc.h b/linux/drm_proc.h new file mode 100644 index 00000000..ee9c0cbc --- /dev/null +++ b/linux/drm_proc.h @@ -0,0 +1,623 @@ +/* drm_proc.h -- /proc support for DRM -*- linux-c -*- + * Created: Mon Jan 11 09:48:47 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + * + * Acknowledgements: + * Matthew J Sottek <matthew.j.sottek@intel.com> sent in a patch to fix + * the problem with the proc files not outputting all their information. + */ + +#define __NO_VERSION__ +#include "drmP.h" + +static int DRM(name_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int DRM(vm_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int DRM(clients_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int DRM(queues_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int DRM(bufs_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +#if DRM_DEBUG_CODE +static int DRM(vma_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +#endif +#if __HAVE_DMA_HISTOGRAM +static int DRM(histo_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +#endif + +struct drm_proc_list { + const char *name; + int (*f)(char *, char **, off_t, int, int *, void *); +} DRM(proc_list)[] = { + { "name", DRM(name_info) }, + { "mem", DRM(mem_info) }, + { "vm", DRM(vm_info) }, + { "clients", DRM(clients_info) }, + { "queues", DRM(queues_info) }, + { "bufs", DRM(bufs_info) }, +#if DRM_DEBUG_CODE + { "vma", DRM(vma_info) }, +#endif +#if __HAVE_DMA_HISTOGRAM + { "histo", DRM(histo_info) }, +#endif +}; +#define DRM_PROC_ENTRIES (sizeof(DRM(proc_list))/sizeof(DRM(proc_list)[0])) + +struct proc_dir_entry *DRM(proc_init)(drm_device_t *dev, int minor, + struct proc_dir_entry *root, + struct proc_dir_entry **dev_root) +{ + struct proc_dir_entry *ent; + int i, j; + char name[64]; + + if (!minor) root = create_proc_entry("dri", S_IFDIR, NULL); + if (!root) { + DRM_ERROR("Cannot create /proc/dri\n"); + return NULL; + } + + sprintf(name, "%d", minor); + *dev_root = create_proc_entry(name, S_IFDIR, root); + if (!*dev_root) { + DRM_ERROR("Cannot create /proc/%s\n", name); + return NULL; + } + + for (i = 0; i < DRM_PROC_ENTRIES; i++) { + ent = create_proc_entry(DRM(proc_list)[i].name, + S_IFREG|S_IRUGO, *dev_root); + if (!ent) { + DRM_ERROR("Cannot create /proc/dri/%s/%s\n", + name, DRM(proc_list)[i].name); + for (j = 0; j < i; j++) + remove_proc_entry(DRM(proc_list)[i].name, + *dev_root); + remove_proc_entry(name, root); + if (!minor) remove_proc_entry("dri", NULL); + return NULL; + } + ent->read_proc = DRM(proc_list)[i].f; + ent->data = dev; + } + + return root; +} + + +int DRM(proc_cleanup)(int minor, struct proc_dir_entry *root, + struct proc_dir_entry *dev_root) +{ + int i; + char name[64]; + + if (!root || !dev_root) return 0; + + for (i = 0; i < DRM_PROC_ENTRIES; i++) + remove_proc_entry(DRM(proc_list)[i].name, dev_root); + sprintf(name, "%d", minor); + remove_proc_entry(name, root); + if (!minor) remove_proc_entry("dri", NULL); + + return 0; +} + +static int DRM(name_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + if (dev->unique) { + DRM_PROC_PRINT("%s 0x%x %s\n", + dev->name, dev->device, dev->unique); + } else { + DRM_PROC_PRINT("%s 0x%x\n", dev->name, dev->device); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +static int DRM(_vm_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_map_t *map; + /* Hardcoded from _DRM_FRAME_BUFFER, + _DRM_REGISTERS, _DRM_SHM, and + _DRM_AGP. */ + const char *types[] = { "FB", "REG", "SHM", "AGP" }; + const char *type; + int i; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT("slot offset size type flags " + "address mtrr\n\n"); + for (i = 0; i < dev->map_count; i++) { + map = dev->maplist[i]; + if (map->type < 0 || map->type > 3) type = "??"; + else type = types[map->type]; + DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", + i, + map->offset, + map->size, + type, + map->flags, + (unsigned long)map->handle); + if (map->mtrr < 0) { + DRM_PROC_PRINT("none\n"); + } else { + DRM_PROC_PRINT("%4d\n", map->mtrr); + } + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +static int DRM(vm_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = DRM(_vm_info)(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + + +static int DRM(_queues_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + int i; + drm_queue_t *q; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT(" ctx/flags use fin" + " blk/rw/rwf wait flushed queued" + " locks\n\n"); + for (i = 0; i < dev->queue_count; i++) { + q = dev->queuelist[i]; + atomic_inc(&q->use_count); + DRM_PROC_PRINT_RET(atomic_dec(&q->use_count), + "%5d/0x%03x %5d %5d" + " %5d/%c%c/%c%c%c %5Zd\n", + i, + q->flags, + atomic_read(&q->use_count), + atomic_read(&q->finalization), + atomic_read(&q->block_count), + atomic_read(&q->block_read) ? 'r' : '-', + atomic_read(&q->block_write) ? 'w' : '-', + waitqueue_active(&q->read_queue) ? 'r':'-', + waitqueue_active(&q->write_queue) ? 'w':'-', + waitqueue_active(&q->flush_queue) ? 'f':'-', + DRM_BUFCOUNT(&q->waitlist)); + atomic_dec(&q->use_count); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +static int DRM(queues_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = DRM(_queues_info)(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + +/* drm_bufs_info is called whenever a process reads + /dev/dri/<dev>/bufs. */ + +static int DRM(_bufs_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_device_dma_t *dma = dev->dma; + int i; + + if (!dma || offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT(" o size count free segs pages kB\n\n"); + for (i = 0; i <= DRM_MAX_ORDER; i++) { + if (dma->bufs[i].buf_count) + DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n", + i, + dma->bufs[i].buf_size, + dma->bufs[i].buf_count, + atomic_read(&dma->bufs[i] + .freelist.count), + dma->bufs[i].seg_count, + dma->bufs[i].seg_count + *(1 << dma->bufs[i].page_order), + (dma->bufs[i].seg_count + * (1 << dma->bufs[i].page_order)) + * PAGE_SIZE / 1024); + } + DRM_PROC_PRINT("\n"); + for (i = 0; i < dma->buf_count; i++) { + if (i && !(i%32)) DRM_PROC_PRINT("\n"); + DRM_PROC_PRINT(" %d", dma->buflist[i]->list); + } + DRM_PROC_PRINT("\n"); + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +static int DRM(bufs_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = DRM(_bufs_info)(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + + +static int DRM(_clients_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_file_t *priv; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n"); + for (priv = dev->file_first; priv; priv = priv->next) { + DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n", + priv->authenticated ? 'y' : 'n', + priv->minor, + priv->pid, + priv->uid, + priv->magic, + priv->ioctl_count); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +static int DRM(clients_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = DRM(_clients_info)(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + +#if DRM_DEBUG_CODE + +#define DRM_VMA_VERBOSE 0 + +static int DRM(_vma_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_vma_entry_t *pt; + struct vm_area_struct *vma; +#if DRM_VMA_VERBOSE + unsigned long i; + unsigned long address; + pgd_t *pgd; + pmd_t *pmd; + pte_t *pte; +#endif +#if defined(__i386__) + unsigned int pgprot; +#endif + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n", + atomic_read(&dev->vma_count), + high_memory, virt_to_phys(high_memory)); + for (pt = dev->vmalist; pt; pt = pt->next) { + if (!(vma = pt->vma)) continue; + DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx", + pt->pid, + vma->vm_start, + vma->vm_end, + vma->vm_flags & VM_READ ? 'r' : '-', + vma->vm_flags & VM_WRITE ? 'w' : '-', + vma->vm_flags & VM_EXEC ? 'x' : '-', + vma->vm_flags & VM_MAYSHARE ? 's' : 'p', + vma->vm_flags & VM_LOCKED ? 'l' : '-', + vma->vm_flags & VM_IO ? 'i' : '-', + VM_OFFSET(vma)); + +#if defined(__i386__) + pgprot = pgprot_val(vma->vm_page_prot); + DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c", + pgprot & _PAGE_PRESENT ? 'p' : '-', + pgprot & _PAGE_RW ? 'w' : 'r', + pgprot & _PAGE_USER ? 'u' : 's', + pgprot & _PAGE_PWT ? 't' : 'b', + pgprot & _PAGE_PCD ? 'u' : 'c', + pgprot & _PAGE_ACCESSED ? 'a' : '-', + pgprot & _PAGE_DIRTY ? 'd' : '-', + pgprot & _PAGE_PSE ? 'm' : 'k', + pgprot & _PAGE_GLOBAL ? 'g' : 'l' ); +#endif + DRM_PROC_PRINT("\n"); +#if 0 + for (i = vma->vm_start; i < vma->vm_end; i += PAGE_SIZE) { + pgd = pgd_offset(vma->vm_mm, i); + pmd = pmd_offset(pgd, i); + pte = pte_offset(pmd, i); + if (pte_present(*pte)) { + address = __pa(pte_page(*pte)) + + (i & (PAGE_SIZE-1)); + DRM_PROC_PRINT(" 0x%08lx -> 0x%08lx" + " %c%c%c%c%c\n", + i, + address, + pte_read(*pte) ? 'r' : '-', + pte_write(*pte) ? 'w' : '-', + pte_exec(*pte) ? 'x' : '-', + pte_dirty(*pte) ? 'd' : '-', + pte_young(*pte) ? 'a' : '-' ); + } else { + DRM_PROC_PRINT(" 0x%08lx\n", i); + } + } +#endif + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +static int DRM(vma_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = DRM(_vma_info)(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} +#endif + + +#if __HAVE_DMA_HISTOGRAM +static int DRM(_histo_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_device_dma_t *dma = dev->dma; + int i; + unsigned long slot_value = DRM_DMA_HISTOGRAM_INITIAL; + unsigned long prev_value = 0; + drm_buf_t *buffer; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT("general statistics:\n"); + DRM_PROC_PRINT("total %10u\n", atomic_read(&dev->histo.total)); + DRM_PROC_PRINT("open %10u\n", + atomic_read(&dev->counts[_DRM_STAT_OPENS])); + DRM_PROC_PRINT("close %10u\n", + atomic_read(&dev->counts[_DRM_STAT_CLOSES])); + DRM_PROC_PRINT("ioctl %10u\n", + atomic_read(&dev->counts[_DRM_STAT_IOCTLS])); + + DRM_PROC_PRINT("\nlock statistics:\n"); + DRM_PROC_PRINT("locks %10u\n", + atomic_read(&dev->counts[_DRM_STAT_LOCKS])); + DRM_PROC_PRINT("unlocks %10u\n", + atomic_read(&dev->counts[_DRM_STAT_UNLOCKS])); + + if (dma) { +#if 0 + DRM_PROC_PRINT("\ndma statistics:\n"); + DRM_PROC_PRINT("prio %10u\n", + atomic_read(&dma->total_prio)); + DRM_PROC_PRINT("bytes %10u\n", + atomic_read(&dma->total_bytes)); + DRM_PROC_PRINT("dmas %10u\n", + atomic_read(&dma->total_dmas)); + DRM_PROC_PRINT("missed:\n"); + DRM_PROC_PRINT(" dma %10u\n", + atomic_read(&dma->total_missed_dma)); + DRM_PROC_PRINT(" lock %10u\n", + atomic_read(&dma->total_missed_lock)); + DRM_PROC_PRINT(" free %10u\n", + atomic_read(&dma->total_missed_free)); + DRM_PROC_PRINT(" sched %10u\n", + atomic_read(&dma->total_missed_sched)); + DRM_PROC_PRINT("tried %10u\n", + atomic_read(&dma->total_tried)); + DRM_PROC_PRINT("hit %10u\n", + atomic_read(&dma->total_hit)); + DRM_PROC_PRINT("lost %10u\n", + atomic_read(&dma->total_lost)); +#endif + + buffer = dma->next_buffer; + if (buffer) { + DRM_PROC_PRINT("next_buffer %7d\n", buffer->idx); + } else { + DRM_PROC_PRINT("next_buffer none\n"); + } + buffer = dma->this_buffer; + if (buffer) { + DRM_PROC_PRINT("this_buffer %7d\n", buffer->idx); + } else { + DRM_PROC_PRINT("this_buffer none\n"); + } + } + + + DRM_PROC_PRINT("\nvalues:\n"); + if (dev->lock.hw_lock) { + DRM_PROC_PRINT("lock 0x%08x\n", + dev->lock.hw_lock->lock); + } else { + DRM_PROC_PRINT("lock none\n"); + } + DRM_PROC_PRINT("context_flag 0x%08lx\n", dev->context_flag); + DRM_PROC_PRINT("interrupt_flag 0x%08lx\n", dev->interrupt_flag); + DRM_PROC_PRINT("dma_flag 0x%08lx\n", dev->dma_flag); + + DRM_PROC_PRINT("queue_count %10d\n", dev->queue_count); + DRM_PROC_PRINT("last_context %10d\n", dev->last_context); + DRM_PROC_PRINT("last_switch %10lu\n", dev->last_switch); + DRM_PROC_PRINT("last_checked %10d\n", dev->last_checked); + + + DRM_PROC_PRINT("\n q2d d2c c2f" + " q2c q2f dma sch" + " ctx lacq lhld\n\n"); + for (i = 0; i < DRM_DMA_HISTOGRAM_SLOTS; i++) { + DRM_PROC_PRINT("%s %10lu %10u %10u %10u %10u %10u" + " %10u %10u %10u %10u %10u\n", + i == DRM_DMA_HISTOGRAM_SLOTS - 1 ? ">=" : "< ", + i == DRM_DMA_HISTOGRAM_SLOTS - 1 + ? prev_value : slot_value , + + atomic_read(&dev->histo + .queued_to_dispatched[i]), + atomic_read(&dev->histo + .dispatched_to_completed[i]), + atomic_read(&dev->histo + .completed_to_freed[i]), + + atomic_read(&dev->histo + .queued_to_completed[i]), + atomic_read(&dev->histo + .queued_to_freed[i]), + atomic_read(&dev->histo.dma[i]), + atomic_read(&dev->histo.schedule[i]), + atomic_read(&dev->histo.ctx[i]), + atomic_read(&dev->histo.lacq[i]), + atomic_read(&dev->histo.lhld[i])); + prev_value = slot_value; + slot_value = DRM_DMA_HISTOGRAM_NEXT(slot_value); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +static int DRM(histo_info)(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = DRM(_histo_info)(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} +#endif diff --git a/linux/drm_stub.h b/linux/drm_stub.h new file mode 100644 index 00000000..bc958796 --- /dev/null +++ b/linux/drm_stub.h @@ -0,0 +1,152 @@ +/* drm_stub.h -- -*- linux-c -*- + * Created: Fri Jan 19 10:48:35 2001 by faith@acm.org + * + * Copyright 2001 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * + */ + +#define __NO_VERSION__ +#include "drmP.h" + +#if LINUX_VERSION_CODE < 0x020400 +#include "stubsupport-pre24.h" +#endif + +#define DRM_STUB_MAXCARDS 16 /* Enough for one machine */ + +static struct drm_stub_list { + const char *name; + struct file_operations *fops; + struct proc_dir_entry *dev_root; +} *DRM(stub_list); + +static struct proc_dir_entry *DRM(stub_root); + +static struct drm_stub_info { + int (*info_register)(const char *name, struct file_operations *fops, + drm_device_t *dev); + int (*info_unregister)(int minor); +} DRM(stub_info); + +static int DRM(stub_open)(struct inode *inode, struct file *filp) +{ + int minor = MINOR(inode->i_rdev); + int err = -ENODEV; + struct file_operations *old_fops; + + if (!DRM(stub_list) || !DRM(stub_list)[minor].fops) return -ENODEV; + old_fops = filp->f_op; + filp->f_op = fops_get(DRM(stub_list)[minor].fops); + if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) { + fops_put(filp->f_op); + filp->f_op = fops_get(old_fops); + } + fops_put(old_fops); + + return err; +} + +static struct file_operations DRM(stub_fops) = { +#if LINUX_VERSION_CODE >= 0x020400 + owner: THIS_MODULE, +#endif + open: DRM(stub_open) +}; + +static int DRM(stub_getminor)(const char *name, struct file_operations *fops, + drm_device_t *dev) +{ + int i; + + if (!DRM(stub_list)) { + DRM(stub_list) = DRM(alloc)(sizeof(*DRM(stub_list)) + * DRM_STUB_MAXCARDS, DRM_MEM_STUB); + for (i = 0; i < DRM_STUB_MAXCARDS; i++) { + DRM(stub_list)[i].name = NULL; + DRM(stub_list)[i].fops = NULL; + } + } + for (i = 0; i < DRM_STUB_MAXCARDS; i++) { + if (!DRM(stub_list)[i].fops) { + DRM(stub_list)[i].name = name; + DRM(stub_list)[i].fops = fops; + DRM(stub_root) = DRM(proc_init)(dev, i, DRM(stub_root), + &DRM(stub_list)[i] + .dev_root); + return i; + } + } + return -1; +} + +static int DRM(stub_putminor)(int minor) +{ + if (minor < 0 || minor >= DRM_STUB_MAXCARDS) return -1; + DRM(stub_list)[minor].name = NULL; + DRM(stub_list)[minor].fops = NULL; + DRM(proc_cleanup)(minor, DRM(stub_root), + DRM(stub_list)[minor].dev_root); + if (minor) { + inter_module_put("drm"); + } else { + inter_module_unregister("drm"); + DRM(free)(DRM(stub_list), + sizeof(*DRM(stub_list)) * DRM_STUB_MAXCARDS, + DRM_MEM_STUB); + unregister_chrdev(DRM_MAJOR, "drm"); + } + return 0; +} + +int DRM(stub_register)(const char *name, struct file_operations *fops, + drm_device_t *dev) +{ + struct drm_stub_info *i = NULL; + + if (register_chrdev(DRM_MAJOR, "drm", &DRM(stub_fops))) + i = (struct drm_stub_info *)inter_module_get("drm"); + + if (i) { + /* Already registered */ + DRM(stub_info).info_register = i->info_register; + DRM(stub_info).info_unregister = i->info_unregister; + } else { + DRM(stub_info).info_register = DRM(stub_getminor); + DRM(stub_info).info_unregister = DRM(stub_putminor); + inter_module_register("drm", THIS_MODULE, &DRM(stub_info)); + } + if (DRM(stub_info).info_register) + return DRM(stub_info).info_register(name, fops, dev); + return -1; +} + +int DRM(stub_unregister)(int minor) +{ + DRM_DEBUG("%d\n", minor); + if (DRM(stub_info).info_unregister) + return DRM(stub_info).info_unregister(minor); + return -1; +} diff --git a/linux/drm_vm.h b/linux/drm_vm.h new file mode 100644 index 00000000..347816ac --- /dev/null +++ b/linux/drm_vm.h @@ -0,0 +1,370 @@ +/* drm_vm.h -- Memory mapping for DRM -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "drmP.h" + +struct vm_operations_struct drm_vm_ops = { + nopage: DRM(vm_nopage), + open: DRM(vm_open), + close: DRM(vm_close), +}; + +struct vm_operations_struct drm_vm_shm_ops = { + nopage: DRM(vm_shm_nopage), + open: DRM(vm_open), + close: DRM(vm_close), +}; + +struct vm_operations_struct drm_vm_shm_lock_ops = { + nopage: DRM(vm_shm_nopage_lock), + open: DRM(vm_open), + close: DRM(vm_close), +}; + +struct vm_operations_struct drm_vm_dma_ops = { + nopage: DRM(vm_dma_nopage), + open: DRM(vm_open), + close: DRM(vm_close), +}; + +#if LINUX_VERSION_CODE < 0x020317 +unsigned long DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#else + /* Return type changed in 2.3.23 */ +struct page *DRM(vm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#endif +{ + return NOPAGE_SIGBUS; /* Disallow mremap */ +} + +#if LINUX_VERSION_CODE < 0x020317 +unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#else + /* Return type changed in 2.3.23 */ +struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#endif +{ +#if LINUX_VERSION_CODE >= 0x020300 + drm_map_t *map = (drm_map_t *)vma->vm_private_data; +#else + drm_map_t *map = (drm_map_t *)vma->vm_pte; +#endif + unsigned long physical; + unsigned long offset; + + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!map) return NOPAGE_OOM; /* Nothing allocated */ + + offset = address - vma->vm_start; + physical = (unsigned long)map->handle + offset; + atomic_inc(&virt_to_page(physical)->count); /* Dec. by kernel */ + + DRM_DEBUG("0x%08lx => 0x%08lx\n", address, physical); +#if LINUX_VERSION_CODE < 0x020317 + return physical; +#else + return virt_to_page(physical); +#endif +} + +#if LINUX_VERSION_CODE < 0x020317 +unsigned long DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#else + /* Return type changed in 2.3.23 */ +struct page *DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#endif +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; + unsigned long physical; + unsigned long offset; + unsigned long page; + + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!dev->lock.hw_lock) return NOPAGE_OOM; /* Nothing allocated */ + + offset = address - vma->vm_start; + page = offset >> PAGE_SHIFT; + physical = (unsigned long)dev->lock.hw_lock + offset; + atomic_inc(&virt_to_page(physical)->count); /* Dec. by kernel */ + + DRM_DEBUG("0x%08lx (page %lu) => 0x%08lx\n", address, page, physical); +#if LINUX_VERSION_CODE < 0x020317 + return physical; +#else + return virt_to_page(physical); +#endif +} + +#if LINUX_VERSION_CODE < 0x020317 +unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#else + /* Return type changed in 2.3.23 */ +struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma, + unsigned long address, + int write_access) +#endif +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + unsigned long physical; + unsigned long offset; + unsigned long page; + + if (!dma) return NOPAGE_SIGBUS; /* Error */ + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!dma->pagelist) return NOPAGE_OOM ; /* Nothing allocated */ + + offset = address - vma->vm_start; /* vm_[pg]off[set] should be 0 */ + page = offset >> PAGE_SHIFT; + physical = dma->pagelist[page] + (offset & (~PAGE_MASK)); + atomic_inc(&virt_to_page(physical)->count); /* Dec. by kernel */ + + DRM_DEBUG("0x%08lx (page %lu) => 0x%08lx\n", address, page, physical); +#if LINUX_VERSION_CODE < 0x020317 + return physical; +#else + return virt_to_page(physical); +#endif +} + +void DRM(vm_open)(struct vm_area_struct *vma) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; +#if DRM_DEBUG_CODE + drm_vma_entry_t *vma_entry; +#endif + + DRM_DEBUG("0x%08lx,0x%08lx\n", + vma->vm_start, vma->vm_end - vma->vm_start); + atomic_inc(&dev->vma_count); +#if LINUX_VERSION_CODE < 0x020333 + /* The map can exist after the fd is closed. */ + MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + + +#if DRM_DEBUG_CODE + vma_entry = DRM(alloc)(sizeof(*vma_entry), DRM_MEM_VMAS); + if (vma_entry) { + down(&dev->struct_sem); + vma_entry->vma = vma; + vma_entry->next = dev->vmalist; + vma_entry->pid = current->pid; + dev->vmalist = vma_entry; + up(&dev->struct_sem); + } +#endif +} + +void DRM(vm_close)(struct vm_area_struct *vma) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->dev; +#if DRM_DEBUG_CODE + drm_vma_entry_t *pt, *prev; +#endif + + DRM_DEBUG("0x%08lx,0x%08lx\n", + vma->vm_start, vma->vm_end - vma->vm_start); +#if LINUX_VERSION_CODE < 0x020333 + MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ +#endif + atomic_dec(&dev->vma_count); + +#if DRM_DEBUG_CODE + down(&dev->struct_sem); + for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { + if (pt->vma == vma) { + if (prev) { + prev->next = pt->next; + } else { + dev->vmalist = pt->next; + } + DRM(free)(pt, sizeof(*pt), DRM_MEM_VMAS); + break; + } + } + up(&dev->struct_sem); +#endif +} + +int DRM(mmap_dma)(struct file *filp, struct vm_area_struct *vma) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + drm_device_dma_t *dma; + unsigned long length = vma->vm_end - vma->vm_start; + + lock_kernel(); + dev = priv->dev; + dma = dev->dma; + DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", + vma->vm_start, vma->vm_end, VM_OFFSET(vma)); + + /* Length must match exact page count */ + if (!dma || (length >> PAGE_SHIFT) != dma->page_count) { + unlock_kernel(); + return -EINVAL; + } + unlock_kernel(); + + vma->vm_ops = &drm_vm_dma_ops; + vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ + +#if LINUX_VERSION_CODE < 0x020203 /* KERNEL_VERSION(2,2,3) */ + /* In Linux 2.2.3 and above, this is + handled in do_mmap() in mm/mmap.c. */ + ++filp->f_count; +#endif + vma->vm_file = filp; /* Needed for drm_vm_open() */ + DRM(vm_open)(vma); + return 0; +} + +int DRM(mmap)(struct file *filp, struct vm_area_struct *vma) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_map_t *map = NULL; + int i; + + DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", + vma->vm_start, vma->vm_end, VM_OFFSET(vma)); + + if (!VM_OFFSET(vma)) return DRM(mmap_dma)(filp, vma); + + /* A sequential search of a linked list is + fine here because: 1) there will only be + about 5-10 entries in the list and, 2) a + DRI client only has to do this mapping + once, so it doesn't have to be optimized + for performance, even if the list was a + bit longer. */ + for (i = 0; i < dev->map_count; i++) { + map = dev->maplist[i]; + if (map->offset == VM_OFFSET(vma)) break; + } + + if (i >= dev->map_count) return -EINVAL; + if (!map || ((map->flags&_DRM_RESTRICTED) && !capable(CAP_SYS_ADMIN))) + return -EPERM; + + /* Check for valid size. */ + if (map->size != vma->vm_end - vma->vm_start) return -EINVAL; + + if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) { + vma->vm_flags &= VM_MAYWRITE; +#if defined(__i386__) + pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW; +#else + /* Ye gads this is ugly. With more thought + we could move this up higher and use + `protection_map' instead. */ + vma->vm_page_prot = __pgprot(pte_val(pte_wrprotect( + __pte(pgprot_val(vma->vm_page_prot))))); +#endif + } + + switch (map->type) { + case _DRM_FRAME_BUFFER: + case _DRM_REGISTERS: + case _DRM_AGP: + if (VM_OFFSET(vma) >= __pa(high_memory)) { +#if defined(__i386__) + if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) { + pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; + pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT; + } +#elif defined(__ia64__) + if (map->type != _DRM_AGP) + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); +#endif + vma->vm_flags |= VM_IO; /* not in core dump */ + } + if (remap_page_range(vma->vm_start, + VM_OFFSET(vma), + vma->vm_end - vma->vm_start, + vma->vm_page_prot)) + return -EAGAIN; + DRM_DEBUG(" Type = %d; start = 0x%lx, end = 0x%lx," + " offset = 0x%lx\n", + map->type, + vma->vm_start, vma->vm_end, VM_OFFSET(vma)); + vma->vm_ops = &drm_vm_ops; + break; + case _DRM_SHM: + if (map->flags & _DRM_CONTAINS_LOCK) + vma->vm_ops = &drm_vm_shm_lock_ops; + else { + vma->vm_ops = &drm_vm_shm_ops; +#if LINUX_VERSION_CODE >= 0x020300 + vma->vm_private_data = (void *)map; +#else + vma->vm_pte = (unsigned long)map; +#endif + } + + /* Don't let this area swap. Change when + DRM_KERNEL advisory is supported. */ + vma->vm_flags |= VM_LOCKED; + break; + default: + return -EINVAL; /* This should never happen. */ + } + vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ + +#if LINUX_VERSION_CODE < 0x020203 /* KERNEL_VERSION(2,2,3) */ + /* In Linux 2.2.3 and above, this is + handled in do_mmap() in mm/mmap.c. */ + ++filp->f_count; +#endif + vma->vm_file = filp; /* Needed for drm_vm_open() */ + DRM(vm_open)(vma); + return 0; +} diff --git a/linux/gamma.h b/linux/gamma.h new file mode 100644 index 00000000..383c54af --- /dev/null +++ b/linux/gamma.h @@ -0,0 +1,87 @@ +/* gamma.c -- 3dlabs GMX 2000 driver -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __GAMMA_H__ +#define __GAMMA_H__ + +/* This remains constant for all DRM template files. + */ +#define DRM(x) gamma_##x + +/* General customization: + */ +#define __HAVE_MTRR 1 + +/* DMA customization: + */ +#define __HAVE_DMA 1 +#define __HAVE_OLD_DMA 1 +#define __HAVE_PCI_DMA 1 + +#define __HAVE_MULTIPLE_DMA_QUEUES 1 +#define __HAVE_DMA_WAITQUEUE 1 + +#define __HAVE_DMA_WAITLIST 1 +#define __HAVE_DMA_FREELIST 1 + +#define __HAVE_DMA_FLUSH 1 +#define __HAVE_DMA_SCHEDULE 1 + +#define __HAVE_DMA_READY 1 +#define DRIVER_DMA_READY() do { \ + gamma_dma_ready(dev); \ +} while (0) + +#define __HAVE_DMA_QUIESCENT 1 +#define DRIVER_DMA_QUIESCENT() do { \ + /* FIXME ! */ \ + gamma_dma_quiescent_dual(dev); \ + return 0; \ +} while (0) + +#define __HAVE_DMA_IRQ 1 +#define __HAVE_DMA_IRQ_BH 1 +#define DRIVER_PREINSTALL() do { \ + GAMMA_WRITE( GAMMA_GCOMMANDMODE, 0x00000000 ); \ + GAMMA_WRITE( GAMMA_GDMACONTROL, 0x00000000 ); \ +} while (0) + +#define DRIVER_POSTINSTALL() do { \ + GAMMA_WRITE( GAMMA_GINTENABLE, 0x00002001 ); \ + GAMMA_WRITE( GAMMA_COMMANDINTENABLE, 0x00000008 ); \ + GAMMA_WRITE( GAMMA_GDELAYTIMER, 0x00039090 ); \ +} while (0) + +#define DRIVER_UNINSTALL() do { \ + GAMMA_WRITE( GAMMA_GDELAYTIMER, 0x00000000 ); \ + GAMMA_WRITE( GAMMA_COMMANDINTENABLE, 0x00000000 ); \ + GAMMA_WRITE( GAMMA_GINTENABLE, 0x00000000 ); \ +} while (0) + +#endif /* __GAMMA_H__ */ diff --git a/linux/gamma_dma.c b/linux/gamma_dma.c index 4854c56d..2238d126 100644 --- a/linux/gamma_dma.c +++ b/linux/gamma_dma.c @@ -11,11 +11,11 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL @@ -23,62 +23,21 @@ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. - * + * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> * */ #define __NO_VERSION__ +#include "gamma.h" #include "drmP.h" #include "gamma_drv.h" #include <linux/interrupt.h> /* For task queue support */ +#include <linux/delay.h> -/* WARNING!!! MAGIC NUMBER!!! The number of regions already added to the - kernel must be specified here. Currently, the number is 2. This must - match the order the X server uses for instantiating register regions , - or must be passed in a new ioctl. */ -#define GAMMA_REG(reg) \ - (2 \ - + ((reg < 0x1000) \ - ? 0 \ - : ((reg < 0x10000) ? 1 : ((reg < 0x11000) ? 2 : 3)))) - -#define GAMMA_OFF(reg) \ - ((reg < 0x1000) \ - ? reg \ - : ((reg < 0x10000) \ - ? (reg - 0x1000) \ - : ((reg < 0x11000) \ - ? (reg - 0x10000) \ - : (reg - 0x11000)))) - -#define GAMMA_BASE(reg) ((unsigned long)dev->maplist[GAMMA_REG(reg)]->handle) -#define GAMMA_ADDR(reg) (GAMMA_BASE(reg) + GAMMA_OFF(reg)) -#define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg) -#define GAMMA_READ(reg) GAMMA_DEREF(reg) -#define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0) - -#define GAMMA_BROADCASTMASK 0x9378 -#define GAMMA_COMMANDINTENABLE 0x0c48 -#define GAMMA_DMAADDRESS 0x0028 -#define GAMMA_DMACOUNT 0x0030 -#define GAMMA_FILTERMODE 0x8c00 -#define GAMMA_GCOMMANDINTFLAGS 0x0c50 -#define GAMMA_GCOMMANDMODE 0x0c40 -#define GAMMA_GCOMMANDSTATUS 0x0c60 -#define GAMMA_GDELAYTIMER 0x0c38 -#define GAMMA_GDMACONTROL 0x0060 -#define GAMMA_GINTENABLE 0x0808 -#define GAMMA_GINTFLAGS 0x0810 -#define GAMMA_INFIFOSPACE 0x0018 -#define GAMMA_OUTFIFOWORDS 0x0020 -#define GAMMA_OUTPUTFIFO 0x2000 -#define GAMMA_SYNC 0x8c40 -#define GAMMA_SYNC_TAG 0x0188 - static inline void gamma_dma_dispatch(drm_device_t *dev, unsigned long address, unsigned long length) { @@ -88,7 +47,7 @@ static inline void gamma_dma_dispatch(drm_device_t *dev, unsigned long address, GAMMA_WRITE(GAMMA_DMACOUNT, length / 4); } -static inline void gamma_dma_quiescent_single(drm_device_t *dev) +void gamma_dma_quiescent_single(drm_device_t *dev) { while (GAMMA_READ(GAMMA_DMACOUNT)) ; @@ -97,14 +56,14 @@ static inline void gamma_dma_quiescent_single(drm_device_t *dev) GAMMA_WRITE(GAMMA_FILTERMODE, 1 << 10); GAMMA_WRITE(GAMMA_SYNC, 0); - + do { while (!GAMMA_READ(GAMMA_OUTFIFOWORDS)) ; } while (GAMMA_READ(GAMMA_OUTPUTFIFO) != GAMMA_SYNC_TAG); } -static inline void gamma_dma_quiescent_dual(drm_device_t *dev) +void gamma_dma_quiescent_dual(drm_device_t *dev) { while (GAMMA_READ(GAMMA_DMACOUNT)) ; @@ -115,13 +74,13 @@ static inline void gamma_dma_quiescent_dual(drm_device_t *dev) GAMMA_WRITE(GAMMA_FILTERMODE, 1 << 10); GAMMA_WRITE(GAMMA_SYNC, 0); - + /* Read from first MX */ do { while (!GAMMA_READ(GAMMA_OUTFIFOWORDS)) ; } while (GAMMA_READ(GAMMA_OUTPUTFIFO) != GAMMA_SYNC_TAG); - + /* Read from second MX */ do { while (!GAMMA_READ(GAMMA_OUTFIFOWORDS + 0x10000)) @@ -129,7 +88,7 @@ static inline void gamma_dma_quiescent_dual(drm_device_t *dev) } while (GAMMA_READ(GAMMA_OUTPUTFIFO + 0x10000) != GAMMA_SYNC_TAG); } -static inline void gamma_dma_ready(drm_device_t *dev) +void gamma_dma_ready(drm_device_t *dev) { while (GAMMA_READ(GAMMA_DMACOUNT)) ; @@ -140,23 +99,20 @@ static inline int gamma_dma_is_ready(drm_device_t *dev) return !GAMMA_READ(GAMMA_DMACOUNT); } -static void gamma_dma_service(int irq, void *device, struct pt_regs *regs) +void gamma_dma_service(int irq, void *device, struct pt_regs *regs) { drm_device_t *dev = (drm_device_t *)device; drm_device_dma_t *dma = dev->dma; - - atomic_inc(&dev->total_irq); + + atomic_inc(&dev->counts[6]); /* _DRM_STAT_IRQ */ GAMMA_WRITE(GAMMA_GDELAYTIMER, 0xc350/2); /* 0x05S */ GAMMA_WRITE(GAMMA_GCOMMANDINTFLAGS, 8); GAMMA_WRITE(GAMMA_GINTFLAGS, 0x2001); if (gamma_dma_is_ready(dev)) { /* Free previous buffer */ - if (test_and_set_bit(0, &dev->dma_flag)) { - atomic_inc(&dma->total_missed_free); - return; - } + if (test_and_set_bit(0, &dev->dma_flag)) return; if (dma->this_buffer) { - drm_free_buffer(dev, dma->this_buffer); + gamma_free_buffer(dev, dma->this_buffer); dma->this_buffer = NULL; } clear_bit(0, &dev->dma_flag); @@ -179,11 +135,8 @@ static int gamma_do_dma(drm_device_t *dev, int locked) cycles_t dma_start, dma_stop; #endif - if (test_and_set_bit(0, &dev->dma_flag)) { - atomic_inc(&dma->total_missed_dma); - return -EBUSY; - } - + if (test_and_set_bit(0, &dev->dma_flag)) return -EBUSY; + #if DRM_DMA_HISTOGRAM dma_start = get_cycles(); #endif @@ -202,20 +155,20 @@ static int gamma_do_dma(drm_device_t *dev, int locked) buf->context, buf->idx, length); if (buf->list == DRM_LIST_RECLAIM) { - drm_clear_next_buffer(dev); - drm_free_buffer(dev, buf); + gamma_clear_next_buffer(dev); + gamma_free_buffer(dev, buf); clear_bit(0, &dev->dma_flag); return -EINVAL; } if (!length) { DRM_ERROR("0 length buffer\n"); - drm_clear_next_buffer(dev); - drm_free_buffer(dev, buf); + gamma_clear_next_buffer(dev); + gamma_free_buffer(dev, buf); clear_bit(0, &dev->dma_flag); return 0; } - + if (!gamma_dma_is_ready(dev)) { clear_bit(0, &dev->dma_flag); return -EBUSY; @@ -228,9 +181,8 @@ static int gamma_do_dma(drm_device_t *dev, int locked) buf->idx, buf->pid); } } else { - if (!locked && !drm_lock_take(&dev->lock.hw_lock->lock, + if (!locked && !gamma_lock_take(&dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT)) { - atomic_inc(&dma->total_missed_lock); clear_bit(0, &dev->dma_flag); return -EBUSY; } @@ -240,13 +192,14 @@ static int gamma_do_dma(drm_device_t *dev, int locked) && !(dev->queuelist[buf->context]->flags & _DRM_CONTEXT_PRESERVED)) { /* PRE: dev->last_context != buf->context */ - if (drm_context_switch(dev, dev->last_context, buf->context)) { - drm_clear_next_buffer(dev); - drm_free_buffer(dev, buf); + if (DRM(context_switch)(dev, dev->last_context, + buf->context)) { + DRM(clear_next_buffer)(dev); + DRM(free_buffer)(dev, buf); } retcode = -EBUSY; goto cleanup; - + /* POST: we will wait for the context switch and will dispatch on a later call when dev->last_context == buf->context. @@ -254,7 +207,7 @@ static int gamma_do_dma(drm_device_t *dev, int locked) TIME! */ } - drm_clear_next_buffer(dev); + gamma_clear_next_buffer(dev); buf->pending = 1; buf->waiting = 0; buf->list = DRM_LIST_PEND; @@ -263,14 +216,14 @@ static int gamma_do_dma(drm_device_t *dev, int locked) #endif gamma_dma_dispatch(dev, address, length); - drm_free_buffer(dev, dma->this_buffer); + gamma_free_buffer(dev, dma->this_buffer); dma->this_buffer = buf; - atomic_add(length, &dma->total_bytes); - atomic_inc(&dma->total_dmas); + atomic_inc(&dev->counts[7]); /* _DRM_STAT_DMA */ + atomic_add(length, &dev->counts[8]); /* _DRM_STAT_PRIMARY */ if (!buf->while_locked && !dev->context_flag && !locked) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, + if (gamma_lock_free(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT)) { DRM_ERROR("\n"); } @@ -281,18 +234,18 @@ cleanup: #if DRM_DMA_HISTOGRAM dma_stop = get_cycles(); - atomic_inc(&dev->histo.dma[drm_histogram_slot(dma_stop - dma_start)]); + atomic_inc(&dev->histo.dma[gamma_histogram_slot(dma_stop - dma_start)]); #endif return retcode; } -static void gamma_dma_schedule_timer_wrapper(unsigned long dev) +static void gamma_dma_timer_bh(unsigned long dev) { gamma_dma_schedule((drm_device_t *)dev, 0); } -static void gamma_dma_schedule_tq_wrapper(void *dev) +void gamma_dma_immediate_bh(void *dev) { gamma_dma_schedule(dev, 0); } @@ -313,10 +266,10 @@ int gamma_dma_schedule(drm_device_t *dev, int locked) if (test_and_set_bit(0, &dev->interrupt_flag)) { /* Not reentrant */ - atomic_inc(&dma->total_missed_sched); + atomic_inc(&dev->counts[10]); /* _DRM_STAT_MISSED */ return -EBUSY; } - missed = atomic_read(&dma->total_missed_sched); + missed = atomic_read(&dev->counts[10]); #if DRM_DMA_HISTOGRAM schedule_start = get_cycles(); @@ -333,23 +286,18 @@ again: because the lock could not be obtained or the DMA engine wasn't ready. Try again. */ - atomic_inc(&dma->total_tried); - if (!(retcode = gamma_do_dma(dev, locked))) { - atomic_inc(&dma->total_hit); - ++processed; - } + if (!(retcode = gamma_do_dma(dev, locked))) ++processed; } else { do { - next = drm_select_queue(dev, - gamma_dma_schedule_timer_wrapper); + next = gamma_select_queue(dev, gamma_dma_timer_bh); if (next >= 0) { q = dev->queuelist[next]; - buf = drm_waitlist_get(&q->waitlist); + buf = gamma_waitlist_get(&q->waitlist); dma->next_buffer = buf; dma->next_queue = q; if (buf && buf->list == DRM_LIST_RECLAIM) { - drm_clear_next_buffer(dev); - drm_free_buffer(dev, buf); + gamma_clear_next_buffer(dev); + gamma_free_buffer(dev, buf); } } } while (next >= 0 && !dma->next_buffer); @@ -361,21 +309,19 @@ again: } if (--expire) { - if (missed != atomic_read(&dma->total_missed_sched)) { - atomic_inc(&dma->total_lost); + if (missed != atomic_read(&dev->counts[10])) { if (gamma_dma_is_ready(dev)) goto again; } if (processed && gamma_dma_is_ready(dev)) { - atomic_inc(&dma->total_lost); processed = 0; goto again; } } - + clear_bit(0, &dev->interrupt_flag); - + #if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.schedule[drm_histogram_slot(get_cycles() + atomic_inc(&dev->histo.schedule[gamma_histogram_slot(get_cycles() - schedule_start)]); #endif return retcode; @@ -400,7 +346,7 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d) if (signal_pending(current)) return -EINTR; } if (!(d->flags & _DRM_DMA_WHILE_LOCKED)) { - while (!drm_lock_take(&dev->lock.hw_lock->lock, + while (!gamma_lock_take(&dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT)) { schedule(); if (signal_pending(current)) { @@ -410,7 +356,6 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d) } ++must_free; } - atomic_inc(&dma->total_prio); for (i = 0; i < d->send_count; i++) { idx = d->send_indices[i]; @@ -461,15 +406,15 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d) goto cleanup; } buf->pending = 1; - + if (dev->last_context != buf->context && !(dev->queuelist[buf->context]->flags & _DRM_CONTEXT_PRESERVED)) { add_wait_queue(&dev->context_wait, &entry); current->state = TASK_INTERRUPTIBLE; /* PRE: dev->last_context != buf->context */ - drm_context_switch(dev, dev->last_context, - buf->context); + DRM(context_switch)(dev, dev->last_context, + buf->context); /* POST: we will wait for the context switch and will dispatch on a later call when dev->last_context == buf->context. @@ -494,11 +439,11 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d) buf->time_dispatched = buf->time_queued; #endif gamma_dma_dispatch(dev, address, length); - atomic_add(length, &dma->total_bytes); - atomic_inc(&dma->total_dmas); - + atomic_inc(&dev->counts[9]); /* _DRM_STAT_SPECIAL */ + atomic_add(length, &dev->counts[8]); /* _DRM_STAT_PRIMARY */ + if (last_buf) { - drm_free_buffer(dev, last_buf); + gamma_free_buffer(dev, last_buf); } last_buf = buf; } @@ -507,11 +452,11 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d) cleanup: if (last_buf) { gamma_dma_ready(dev); - drm_free_buffer(dev, last_buf); + gamma_free_buffer(dev, last_buf); } - + if (must_free && !dev->context_flag) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, + if (gamma_lock_free(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT)) { DRM_ERROR("\n"); } @@ -531,15 +476,15 @@ static int gamma_dma_send_buffers(drm_device_t *dev, drm_dma_t *d) last_buf = dma->buflist[d->send_indices[d->send_count-1]]; add_wait_queue(&last_buf->dma_wait, &entry); } - - if ((retcode = drm_dma_enqueue(dev, d))) { + + if ((retcode = gamma_dma_enqueue(dev, d))) { if (d->flags & _DRM_DMA_BLOCK) remove_wait_queue(&last_buf->dma_wait, &entry); return retcode; } - + gamma_dma_schedule(dev, 0); - + if (d->flags & _DRM_DMA_BLOCK) { DRM_DEBUG("%d waiting\n", current->pid); for (;;) { @@ -558,7 +503,7 @@ static int gamma_dma_send_buffers(drm_device_t *dev, drm_dma_t *d) if (!retcode || (last_buf->list==DRM_LIST_PEND && !last_buf->pending)) { if (!waitqueue_active(&last_buf->dma_wait)) { - drm_free_buffer(dev, last_buf); + gamma_free_buffer(dev, last_buf); } } if (retcode) { @@ -585,21 +530,19 @@ int gamma_dma(struct inode *inode, struct file *filp, unsigned int cmd, int retcode = 0; drm_dma_t d; +#if 0 + LOCK_TEST_WITH_RETURN( dev ); +#endif + if (copy_from_user(&d, (drm_dma_t *)arg, sizeof(d))) return -EFAULT; - DRM_DEBUG("%d %d: %d send, %d req\n", - current->pid, d.context, d.send_count, d.request_count); - if (d.context == DRM_KERNEL_CONTEXT || d.context >= dev->queue_slots) { - DRM_ERROR("Process %d using context %d\n", - current->pid, d.context); - return -EINVAL; - } if (d.send_count < 0 || d.send_count > dma->buf_count) { DRM_ERROR("Process %d trying to send %d buffers (of %d max)\n", current->pid, d.send_count, dma->buf_count); return -EINVAL; } + if (d.request_count < 0 || d.request_count > dma->buf_count) { DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n", current->pid, d.request_count, dma->buf_count); @@ -609,14 +552,14 @@ int gamma_dma(struct inode *inode, struct file *filp, unsigned int cmd, if (d.send_count) { if (d.flags & _DRM_DMA_PRIORITY) retcode = gamma_dma_priority(dev, &d); - else + else retcode = gamma_dma_send_buffers(dev, &d); } d.granted_count = 0; if (!retcode && d.request_count) { - retcode = drm_dma_get_buffers(dev, &d); + retcode = gamma_dma_get_buffers(dev, &d); } DRM_DEBUG("%d returning, granted = %d\n", @@ -626,211 +569,3 @@ int gamma_dma(struct inode *inode, struct file *filp, unsigned int cmd, return retcode; } - -int gamma_irq_install(drm_device_t *dev, int irq) -{ - int retcode; - - if (!irq) return -EINVAL; - - down(&dev->struct_sem); - if (dev->irq) { - up(&dev->struct_sem); - return -EBUSY; - } - dev->irq = irq; - up(&dev->struct_sem); - - DRM_DEBUG("%d\n", irq); - - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - - dev->dma->next_buffer = NULL; - dev->dma->next_queue = NULL; - dev->dma->this_buffer = NULL; - - INIT_LIST_HEAD(&dev->tq.list); - dev->tq.sync = 0; - dev->tq.routine = gamma_dma_schedule_tq_wrapper; - dev->tq.data = dev; - - - /* Before installing handler */ - GAMMA_WRITE(GAMMA_GCOMMANDMODE, 0); - GAMMA_WRITE(GAMMA_GDMACONTROL, 0); - - /* Install handler */ - if ((retcode = request_irq(dev->irq, - gamma_dma_service, - 0, - dev->devname, - dev))) { - down(&dev->struct_sem); - dev->irq = 0; - up(&dev->struct_sem); - return retcode; - } - - /* After installing handler */ - GAMMA_WRITE(GAMMA_GINTENABLE, 0x2001); - GAMMA_WRITE(GAMMA_COMMANDINTENABLE, 0x0008); - GAMMA_WRITE(GAMMA_GDELAYTIMER, 0x39090); - - return 0; -} - -int gamma_irq_uninstall(drm_device_t *dev) -{ - int irq; - - down(&dev->struct_sem); - irq = dev->irq; - dev->irq = 0; - up(&dev->struct_sem); - - if (!irq) return -EINVAL; - - DRM_DEBUG("%d\n", irq); - - GAMMA_WRITE(GAMMA_GDELAYTIMER, 0); - GAMMA_WRITE(GAMMA_COMMANDINTENABLE, 0); - GAMMA_WRITE(GAMMA_GINTENABLE, 0); - free_irq(irq, dev); - - return 0; -} - - -int gamma_control(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_control_t ctl; - int retcode; - - if (copy_from_user(&ctl, (drm_control_t *)arg, sizeof(ctl))) - return -EFAULT; - - switch (ctl.func) { - case DRM_INST_HANDLER: - if ((retcode = gamma_irq_install(dev, ctl.irq))) - return retcode; - break; - case DRM_UNINST_HANDLER: - if ((retcode = gamma_irq_uninstall(dev))) - return retcode; - break; - default: - return -EINVAL; - } - return 0; -} - -int gamma_lock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - DECLARE_WAITQUEUE(entry, current); - int ret = 0; - drm_lock_t lock; - drm_queue_t *q; -#if DRM_DMA_HISTOGRAM - cycles_t start; - - dev->lck_start = start = get_cycles(); -#endif - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", - lock.context, current->pid, dev->lock.hw_lock->lock, - lock.flags); - - if (lock.context < 0 || lock.context >= dev->queue_count) - return -EINVAL; - q = dev->queuelist[lock.context]; - - ret = drm_flush_block_and_flush(dev, lock.context, lock.flags); - - if (!ret) { - if (_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) - != lock.context) { - long j = jiffies - dev->lock.lock_time; - - if (j > 0 && j <= DRM_LOCK_SLICE) { - /* Can't take lock if we just had it and - there is contention. */ - current->state = TASK_INTERRUPTIBLE; - schedule_timeout(j); - } - } - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - ret = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - lock.context)) { - dev->lock.pid = current->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - atomic_inc(&q->total_locks); - break; /* Got lock */ - } - - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - } - - drm_flush_unblock(dev, lock.context, lock.flags); /* cleanup phase */ - - if (!ret) { - sigemptyset(&dev->sigmask); - sigaddset(&dev->sigmask, SIGSTOP); - sigaddset(&dev->sigmask, SIGTSTP); - sigaddset(&dev->sigmask, SIGTTIN); - sigaddset(&dev->sigmask, SIGTTOU); - dev->sigdata.context = lock.context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); - - if (lock.flags & _DRM_LOCK_READY) - gamma_dma_ready(dev); - if (lock.flags & _DRM_LOCK_QUIESCENT) { - if (gamma_found() == 1) { - gamma_dma_quiescent_single(dev); - } else { - gamma_dma_quiescent_dual(dev); - } - } - } - DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); - -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.lacq[drm_histogram_slot(get_cycles() - start)]); -#endif - - return ret; -} diff --git a/linux/gamma_drv.c b/linux/gamma_drv.c index a17bc1a9..98916bc5 100644 --- a/linux/gamma_drv.c +++ b/linux/gamma_drv.c @@ -26,546 +26,48 @@ * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "gamma.h" #include "drmP.h" #include "gamma_drv.h" -#ifndef PCI_DEVICE_ID_3DLABS_GAMMA -#define PCI_DEVICE_ID_3DLABS_GAMMA 0x0008 -#endif -#ifndef PCI_DEVICE_ID_3DLABS_MX -#define PCI_DEVICE_ID_3DLABS_MX 0x0006 -#endif - -#define GAMMA_NAME "gamma" -#define GAMMA_DESC "3dlabs GMX 2000" -#define GAMMA_DATE "20000910" -#define GAMMA_MAJOR 1 -#define GAMMA_MINOR 0 -#define GAMMA_PATCHLEVEL 0 - -static drm_device_t gamma_device; - -static struct file_operations gamma_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: gamma_open, - flush: drm_flush, - release: gamma_release, - ioctl: gamma_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice gamma_misc = { - minor: MISC_DYNAMIC_MINOR, - name: GAMMA_NAME, - fops: &gamma_fops, -}; - -static drm_ioctl_desc_t gamma_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { gamma_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { gamma_control, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { drm_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { drm_mapbufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { drm_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { drm_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { drm_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { drm_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { drm_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { drm_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { drm_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { gamma_dma, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { gamma_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { gamma_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, -}; -#define GAMMA_IOCTL_COUNT DRM_ARRAY_SIZE(gamma_ioctls) - -#ifdef MODULE -static char *gamma = NULL; -#endif -static int devices = 0; - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("3dlabs GMX 2000"); -MODULE_PARM(gamma, "s"); -MODULE_PARM(devices, "i"); -MODULE_PARM_DESC(devices, - "devices=x, where x is the number of MX chips on card\n"); -#ifndef MODULE -/* gamma_options is called by the kernel to parse command-line options - * passed via the boot-loader (e.g., LILO). It calls the insmod option - * routine, drm_parse_options. - */ - - -static int __init gamma_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("gamma=", gamma_options); -#endif - -static int gamma_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - drm_dma_setup(dev); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); -#if DRM_DMA_HISTO - memset(&dev->histo, 0, sizeof(dev->histo)); -#endif - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - DRM_DEBUG("\n"); - - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ - - return 0; -} - - -static int gamma_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - if (dev->irq) gamma_irq_uninstall(dev); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } -#endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - /* Do nothing here, because this is all - handled in the AGP/GART driver. */ - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - - if (dev->queuelist) { - for (i = 0; i < dev->queue_count; i++) { - drm_waitlist_destroy(&dev->queuelist[i]->waitlist); - if (dev->queuelist[i]) { - drm_free(dev->queuelist[i], - sizeof(*dev->queuelist[0]), - DRM_MEM_QUEUES); - dev->queuelist[i] = NULL; - } - } - drm_free(dev->queuelist, - dev->queue_slots * sizeof(*dev->queuelist), - DRM_MEM_QUEUES); - dev->queuelist = NULL; - } - - drm_dma_takedown(dev); - - dev->queue_count = 0; - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -int gamma_found(void) -{ - return devices; -} - -int gamma_find_devices(void) -{ - struct pci_dev *d = NULL, *one = NULL, *two = NULL; - - d = pci_find_device(PCI_VENDOR_ID_3DLABS,PCI_DEVICE_ID_3DLABS_GAMMA,d); - if (!d) return 0; - - one = pci_find_device(PCI_VENDOR_ID_3DLABS,PCI_DEVICE_ID_3DLABS_MX,d); - if (!one) return 0; - - /* Make sure it's on the same card, if not - no MX's found */ - if (PCI_SLOT(d->devfn) != PCI_SLOT(one->devfn)) return 0; - - two = pci_find_device(PCI_VENDOR_ID_3DLABS,PCI_DEVICE_ID_3DLABS_MX,one); - if (!two) return 1; - - /* Make sure it's on the same card, if not - only 1 MX found */ - if (PCI_SLOT(d->devfn) != PCI_SLOT(two->devfn)) return 1; - - /* Two MX's found - we don't currently support more than 2 */ - return 2; -} - -/* gamma_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init gamma_init(void) -{ - int retcode; - drm_device_t *dev = &gamma_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(gamma); -#endif - devices = gamma_find_devices(); - if (devices == 0) return -1; - - if ((retcode = misc_register(&gamma_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", GAMMA_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, gamma_misc.minor); - dev->name = GAMMA_NAME; - - drm_mem_init(); - drm_proc_init(dev); - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d with %d MX devices\n", - GAMMA_NAME, - GAMMA_MAJOR, - GAMMA_MINOR, - GAMMA_PATCHLEVEL, - GAMMA_DATE, - gamma_misc.minor, - devices); - - return 0; -} - -/* gamma_cleanup is called via cleanup_module at module unload time. */ - -static void __exit gamma_cleanup(void) -{ - drm_device_t *dev = &gamma_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&gamma_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - gamma_takedown(dev); -} - -module_init(gamma_init); -module_exit(gamma_cleanup); - - -int gamma_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } - - version.version_major = GAMMA_MAJOR; - version.version_minor = GAMMA_MINOR; - version.version_patchlevel = GAMMA_PATCHLEVEL; - - DRM_COPY(version.name, GAMMA_NAME); - DRM_COPY(version.date, GAMMA_DATE); - DRM_COPY(version.desc, GAMMA_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int gamma_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &gamma_device; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return gamma_setup(dev); - } - spin_unlock(&dev->count_lock); - } - return retcode; -} - -int gamma_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_release(inode, filp))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return gamma_takedown(dev); - } - spin_unlock(&dev->count_lock); - } - unlock_kernel(); - return retcode; -} - -/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int gamma_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, priv->authenticated); - - if (nr >= GAMMA_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &gamma_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function\n"); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - - -int gamma_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d frees lock (%d holds)\n", - lock.context, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - gamma_dma_schedule(dev, 1); - if (!dev->context_flag) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("\n"); - } - } -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.lhld[drm_histogram_slot(get_cycles() - - dev->lck_start)]); -#endif - - unblock_all_signals(); - return 0; -} +#define DRIVER_AUTHOR "VA Linux Systems Inc." + +#define DRIVER_NAME "gamma" +#define DRIVER_DESC "3DLabs gamma" +#define DRIVER_DATE "20010216" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { gamma_dma, 1, 0 } + + +#define __HAVE_COUNTERS 5 +#define __HAVE_COUNTER6 _DRM_STAT_IRQ +#define __HAVE_COUNTER7 _DRM_STAT_DMA +#define __HAVE_COUNTER8 _DRM_STAT_PRIMARY +#define __HAVE_COUNTER9 _DRM_STAT_SPECIAL +#define __HAVE_COUNTER10 _DRM_STAT_MISSED + + +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lists.h" +#include "drm_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux/gamma_drv.h b/linux/gamma_drv.h index e9ce3958..d8cca667 100644 --- a/linux/gamma_drv.h +++ b/linux/gamma_drv.h @@ -11,11 +11,11 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL @@ -23,36 +23,84 @@ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. - * + * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * + * */ #ifndef _GAMMA_DRV_H_ #define _GAMMA_DRV_H_ - /* gamma_drv.c */ -extern int gamma_version(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int gamma_open(struct inode *inode, struct file *filp); -extern int gamma_release(struct inode *inode, struct file *filp); -extern int gamma_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int gamma_lock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int gamma_unlock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); + +typedef struct drm_gamma_private { + drm_map_t *buffers; +} drm_gamma_private_t; + +#define LOCK_TEST_WITH_RETURN( dev ) \ +do { \ + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ + dev->lock.pid != current->pid ) { \ + DRM_ERROR( "%s called without lock held\n", \ + __FUNCTION__ ); \ + return -EINVAL; \ + } \ +} while (0) + + +extern void gamma_dma_ready(drm_device_t *dev); +extern void gamma_dma_quiescent_single(drm_device_t *dev); +extern void gamma_dma_quiescent_dual(drm_device_t *dev); /* gamma_dma.c */ extern int gamma_dma_schedule(drm_device_t *dev, int locked); extern int gamma_dma(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int gamma_irq_install(drm_device_t *dev, int irq); -extern int gamma_irq_uninstall(drm_device_t *dev); -extern int gamma_control(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); extern int gamma_find_devices(void); extern int gamma_found(void); + +/* WARNING!!! MAGIC NUMBER!!! The number of regions already added to the + kernel must be specified here. Currently, the number is 2. This must + match the order the X server uses for instantiating register regions , + or must be passed in a new ioctl. */ +#define GAMMA_REG(reg) \ + (2 \ + + ((reg < 0x1000) \ + ? 0 \ + : ((reg < 0x10000) ? 1 : ((reg < 0x11000) ? 2 : 3)))) + +#define GAMMA_OFF(reg) \ + ((reg < 0x1000) \ + ? reg \ + : ((reg < 0x10000) \ + ? (reg - 0x1000) \ + : ((reg < 0x11000) \ + ? (reg - 0x10000) \ + : (reg - 0x11000)))) + +#define GAMMA_BASE(reg) ((unsigned long)dev->maplist[GAMMA_REG(reg)]->handle) +#define GAMMA_ADDR(reg) (GAMMA_BASE(reg) + GAMMA_OFF(reg)) +#define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg) +#define GAMMA_READ(reg) GAMMA_DEREF(reg) +#define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0) + +#define GAMMA_BROADCASTMASK 0x9378 +#define GAMMA_COMMANDINTENABLE 0x0c48 +#define GAMMA_DMAADDRESS 0x0028 +#define GAMMA_DMACOUNT 0x0030 +#define GAMMA_FILTERMODE 0x8c00 +#define GAMMA_GCOMMANDINTFLAGS 0x0c50 +#define GAMMA_GCOMMANDMODE 0x0c40 +#define GAMMA_GCOMMANDSTATUS 0x0c60 +#define GAMMA_GDELAYTIMER 0x0c38 +#define GAMMA_GDMACONTROL 0x0060 +#define GAMMA_GINTENABLE 0x0808 +#define GAMMA_GINTFLAGS 0x0810 +#define GAMMA_INFIFOSPACE 0x0018 +#define GAMMA_OUTFIFOWORDS 0x0020 +#define GAMMA_OUTPUTFIFO 0x2000 +#define GAMMA_SYNC 0x8c40 +#define GAMMA_SYNC_TAG 0x0188 + #endif diff --git a/linux/i810.h b/linux/i810.h new file mode 100644 index 00000000..303ddd5e --- /dev/null +++ b/linux/i810.h @@ -0,0 +1,110 @@ +/* i810.h -- Intel i810/i815 DRM template customization -*- linux-c -*- + * Created: Thu Feb 15 00:01:12 2001 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __I810_H__ +#define __I810_H__ + +/* This remains constant for all DRM template files. + */ +#define DRM(x) i810_##x + +/* General customization: + */ +#define __HAVE_AGP 1 +#define __MUST_HAVE_AGP 1 +#define __HAVE_MTRR 1 +#define __HAVE_CTX_BITMAP 1 + +/* Driver customization: + */ +#define __HAVE_RELEASE 1 +#define DRIVER_RELEASE() do { \ + i810_reclaim_buffers( dev, priv->pid ); \ +} while (0) + +/* DMA customization: + */ +#define __HAVE_DMA 1 +#define __HAVE_DMA_QUEUE 1 +#define __HAVE_DMA_WAITLIST 1 +#define __HAVE_DMA_RECLAIM 1 + +#define __HAVE_DMA_QUIESCENT 1 +#define DRIVER_DMA_QUIESCENT() do { \ + i810_dma_quiescent( dev ); \ +} while (0) + +#define __HAVE_DMA_IRQ 1 +#define __HAVE_DMA_IRQ_BH 1 +#define DRIVER_PREINSTALL() do { \ + u16 tmp; \ + tmp = I810_READ16( I810REG_HWSTAM ); \ + tmp = tmp & 0x6000; \ + I810_WRITE16( I810REG_HWSTAM, tmp ); \ + \ + tmp = I810_READ16( I810REG_INT_MASK_R ); \ + tmp = tmp & 0x6000; /* Unmask interrupts */ \ + I810_WRITE16( I810REG_INT_MASK_R, tmp ); \ + tmp = I810_READ16( I810REG_INT_ENABLE_R ); \ + tmp = tmp & 0x6000; /* Disable all interrupts */ \ + I810_WRITE16( I810REG_INT_ENABLE_R, tmp ); \ +} while (0) + +#define DRIVER_POSTINSTALL() do { \ + u16 tmp; \ + tmp = I810_READ16( I810REG_INT_ENABLE_R ); \ + tmp = tmp & 0x6000; \ + tmp = tmp | 0x0003; /* Enable bp & user interrupts */ \ + I810_WRITE16( I810REG_INT_ENABLE_R, tmp ); \ +} while (0) + +#define DRIVER_UNINSTALL() do { \ + u16 tmp; \ + tmp = I810_READ16( I810REG_INT_IDENTITY_R ); \ + tmp = tmp & ~(0x6000); /* Clear all interrupts */ \ + if ( tmp != 0 ) I810_WRITE16( I810REG_INT_IDENTITY_R, tmp ); \ + \ + tmp = I810_READ16( I810REG_INT_ENABLE_R ); \ + tmp = tmp & 0x6000; /* Disable all interrupts */ \ + I810_WRITE16( I810REG_INT_ENABLE_R, tmp ); \ +} while (0) + +/* Buffer customization: + */ + +#define DRIVER_BUF_PRIV_T drm_i810_buf_priv_t + +#define DRIVER_AGP_BUFFERS_MAP( dev ) \ +({ \ + drm_i810_private_t *dev_priv = (dev)->dev_private; \ + drm_map_t *map = (dev)->maplist[dev_priv->buffer_map_idx]; \ + map; \ +}) + +#endif diff --git a/linux/i810_bufs.c b/linux/i810_bufs.c deleted file mode 100644 index a999e96b..00000000 --- a/linux/i810_bufs.c +++ /dev/null @@ -1,332 +0,0 @@ -/* i810_bufs.c -- IOCTLs to manage buffers -*- linux-c -*- - * Created: Thu Jan 6 01:47:26 2000 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "i810_drv.h" -#include "linux/un.h" - -int i810_addbufs_agp(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - drm_buf_entry_t *entry; - drm_buf_t *buf; - unsigned long offset; - unsigned long agp_offset; - int count; - int order; - int size; - int alignment; - int page_order; - int total; - int byte_count; - int i; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - count = request.count; - order = drm_order(request.size); - size = 1 << order; - agp_offset = request.agp_start; - alignment = (request.flags & _DRM_PAGE_ALIGN) ? PAGE_ALIGN(size) :size; - page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; - total = PAGE_SIZE << page_order; - byte_count = 0; - - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - if (dev->queue_count) return -EBUSY; /* Not while in use */ - spin_lock(&dev->count_lock); - if (dev->buf_use) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - atomic_inc(&dev->buf_alloc); - spin_unlock(&dev->count_lock); - - down(&dev->struct_sem); - entry = &dma->bufs[order]; - if (entry->buf_count) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; /* May only call once for each order */ - } - - entry->buflist = drm_alloc(count * sizeof(*entry->buflist), - DRM_MEM_BUFS); - if (!entry->buflist) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; - } - memset(entry->buflist, 0, count * sizeof(*entry->buflist)); - - entry->buf_size = size; - entry->page_order = page_order; - offset = 0; - - while(entry->buf_count < count) { - buf = &entry->buflist[entry->buf_count]; - buf->idx = dma->buf_count + entry->buf_count; - buf->total = alignment; - buf->order = order; - buf->used = 0; - buf->offset = offset; - buf->bus_address = dev->agp->base + agp_offset + offset; - buf->address = (void *)(agp_offset + offset + dev->agp->base); - buf->next = NULL; - buf->waiting = 0; - buf->pending = 0; - init_waitqueue_head(&buf->dma_wait); - buf->pid = 0; - - buf->dev_private = drm_alloc(sizeof(drm_i810_buf_priv_t), - DRM_MEM_BUFS); - buf->dev_priv_size = sizeof(drm_i810_buf_priv_t); - memset(buf->dev_private, 0, sizeof(drm_i810_buf_priv_t)); - -#if DRM_DMA_HISTOGRAM - buf->time_queued = 0; - buf->time_dispatched = 0; - buf->time_completed = 0; - buf->time_freed = 0; -#endif - offset = offset + alignment; - entry->buf_count++; - byte_count += PAGE_SIZE << page_order; - - DRM_DEBUG("buffer %d @ %p\n", - entry->buf_count, buf->address); - } - - dma->buflist = drm_realloc(dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - (dma->buf_count + entry->buf_count) - * sizeof(*dma->buflist), - DRM_MEM_BUFS); - for (i = dma->buf_count; i < dma->buf_count + entry->buf_count; i++) - dma->buflist[i] = &entry->buflist[i - dma->buf_count]; - - dma->buf_count += entry->buf_count; - dma->byte_count += byte_count; - drm_freelist_create(&entry->freelist, entry->buf_count); - for (i = 0; i < entry->buf_count; i++) { - drm_freelist_put(dev, &entry->freelist, &entry->buflist[i]); - } - - up(&dev->struct_sem); - - request.count = entry->buf_count; - request.size = size; - - if (copy_to_user((drm_buf_desc_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - atomic_dec(&dev->buf_alloc); - dma->flags = _DRM_DMA_USE_AGP; - return 0; -} - -int i810_addbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_buf_desc_t request; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - if(request.flags & _DRM_AGP_BUFFER) - return i810_addbufs_agp(inode, filp, cmd, arg); - else - return -EINVAL; -} - -int i810_infobufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_info_t request; - int i; - int count; - - if (!dma) return -EINVAL; - - spin_lock(&dev->count_lock); - if (atomic_read(&dev->buf_alloc)) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - ++dev->buf_use; /* Can't allocate more after this call */ - spin_unlock(&dev->count_lock); - - if (copy_from_user(&request, - (drm_buf_info_t *)arg, - sizeof(request))) - return -EFAULT; - - for (i = 0, count = 0; i < DRM_MAX_ORDER+1; i++) { - if (dma->bufs[i].buf_count) ++count; - } - - DRM_DEBUG("count = %d\n", count); - - if (request.count >= count) { - for (i = 0, count = 0; i < DRM_MAX_ORDER+1; i++) { - if (dma->bufs[i].buf_count) { - if (copy_to_user(&request.list[count].count, - &dma->bufs[i].buf_count, - sizeof(dma->bufs[0] - .buf_count)) || - copy_to_user(&request.list[count].size, - &dma->bufs[i].buf_size, - sizeof(dma->bufs[0].buf_size)) || - copy_to_user(&request.list[count].low_mark, - &dma->bufs[i] - .freelist.low_mark, - sizeof(dma->bufs[0] - .freelist.low_mark)) || - copy_to_user(&request.list[count] - .high_mark, - &dma->bufs[i] - .freelist.high_mark, - sizeof(dma->bufs[0] - .freelist.high_mark))) - return -EFAULT; - - DRM_DEBUG("%d %d %d %d %d\n", - i, - dma->bufs[i].buf_count, - dma->bufs[i].buf_size, - dma->bufs[i].freelist.low_mark, - dma->bufs[i].freelist.high_mark); - ++count; - } - } - } - request.count = count; - - if (copy_to_user((drm_buf_info_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - return 0; -} - -int i810_markbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - int order; - drm_buf_entry_t *entry; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - DRM_DEBUG("%d, %d, %d\n", - request.size, request.low_mark, request.high_mark); - order = drm_order(request.size); - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - entry = &dma->bufs[order]; - - if (request.low_mark < 0 || request.low_mark > entry->buf_count) - return -EINVAL; - if (request.high_mark < 0 || request.high_mark > entry->buf_count) - return -EINVAL; - - entry->freelist.low_mark = request.low_mark; - entry->freelist.high_mark = request.high_mark; - - return 0; -} - -int i810_freebufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_free_t request; - int i; - int idx; - drm_buf_t *buf; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_free_t *)arg, - sizeof(request))) - return -EFAULT; - - DRM_DEBUG("%d\n", request.count); - for (i = 0; i < request.count; i++) { - if (copy_from_user(&idx, - &request.list[i], - sizeof(idx))) - return -EFAULT; - if (idx < 0 || idx >= dma->buf_count) { - DRM_ERROR("Index %d (of %d max)\n", - idx, dma->buf_count - 1); - return -EINVAL; - } - buf = dma->buflist[idx]; - if (buf->pid != current->pid) { - DRM_ERROR("Process %d freeing buffer owned by %d\n", - current->pid, buf->pid); - return -EINVAL; - } - drm_free_buffer(dev, buf); - } - - return 0; -} - diff --git a/linux/i810_context.c b/linux/i810_context.c deleted file mode 100644 index c331beed..00000000 --- a/linux/i810_context.c +++ /dev/null @@ -1,212 +0,0 @@ -/* i810_context.c -- IOCTLs for i810 contexts -*- linux-c -*- - * Created: Mon Dec 13 09:51:35 1999 by faith@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "i810_drv.h" - -static int i810_alloc_queue(drm_device_t *dev) -{ - int temp = drm_ctxbitmap_next(dev); - DRM_DEBUG("i810_alloc_queue: %d\n", temp); - return temp; -} - -int i810_context_switch(drm_device_t *dev, int old, int new) -{ - char buf[64]; - - atomic_inc(&dev->total_ctx); - - if (test_and_set_bit(0, &dev->context_flag)) { - DRM_ERROR("Reentering -- FIXME\n"); - return -EBUSY; - } - -#if DRM_DMA_HISTOGRAM - dev->ctx_start = get_cycles(); -#endif - - DRM_DEBUG("Context switch from %d to %d\n", old, new); - - if (new == dev->last_context) { - clear_bit(0, &dev->context_flag); - return 0; - } - - if (drm_flags & DRM_FLAG_NOCTX) { - i810_context_switch_complete(dev, new); - } else { - sprintf(buf, "C %d %d\n", old, new); - drm_write_string(dev, buf); - } - - return 0; -} - -int i810_context_switch_complete(drm_device_t *dev, int new) -{ - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - dev->last_switch = jiffies; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("Lock isn't held after context switch\n"); - } - - /* If a context switch is ever initiated - when the kernel holds the lock, release - that lock here. */ -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles() - - dev->ctx_start)]); - -#endif - clear_bit(0, &dev->context_flag); - wake_up(&dev->context_wait); - - return 0; -} - -int i810_resctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_res_t res; - drm_ctx_t ctx; - int i; - - DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); - if (copy_from_user(&res, (drm_ctx_res_t *)arg, sizeof(res))) - return -EFAULT; - if (res.count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - ctx.handle = i; - if (copy_to_user(&res.contexts[i], - &i, - sizeof(i))) - return -EFAULT; - } - } - res.count = DRM_RESERVED_CONTEXTS; - if (copy_to_user((drm_ctx_res_t *)arg, &res, sizeof(res))) - return -EFAULT; - return 0; -} - -int i810_addctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - if ((ctx.handle = i810_alloc_queue(dev)) == DRM_KERNEL_CONTEXT) { - /* Skip kernel's context and get a new one. */ - ctx.handle = i810_alloc_queue(dev); - } - if (ctx.handle == -1) { - DRM_DEBUG("Not enough free contexts.\n"); - /* Should this return -EBUSY instead? */ - return -ENOMEM; - } - DRM_DEBUG("%d\n", ctx.handle); - if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int i810_modctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - /* This does nothing for the i810 */ - return 0; -} - -int i810_getctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t*)arg, sizeof(ctx))) - return -EFAULT; - /* This is 0, because we don't hanlde any context flags */ - ctx.flags = 0; - if (copy_to_user((drm_ctx_t*)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int i810_switchctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - return i810_context_switch(dev, dev->last_context, ctx.handle); -} - -int i810_newctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - i810_context_switch_complete(dev, ctx.handle); - - return 0; -} - -int i810_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - if(ctx.handle != DRM_KERNEL_CONTEXT) { - drm_ctxbitmap_free(dev, ctx.handle); - } - - return 0; -} diff --git a/linux/i810_dma.c b/linux/i810_dma.c index aa824a79..e27406a6 100644 --- a/linux/i810_dma.c +++ b/linux/i810_dma.c @@ -11,11 +11,11 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL @@ -31,6 +31,7 @@ */ #define __NO_VERSION__ +#include "i810.h" #include "drmP.h" #include "i810_drv.h" #include <linux/interrupt.h> /* For task queue support */ @@ -47,17 +48,6 @@ #define I810_BUF_UNMAPPED 0 #define I810_BUF_MAPPED 1 -#define I810_REG(reg) 2 -#define I810_BASE(reg) ((unsigned long) \ - dev->maplist[I810_REG(reg)]->handle) -#define I810_ADDR(reg) (I810_BASE(reg) + reg) -#define I810_DEREF(reg) *(__volatile__ int *)I810_ADDR(reg) -#define I810_READ(reg) I810_DEREF(reg) -#define I810_WRITE(reg,val) do { I810_DEREF(reg) = val; } while (0) -#define I810_DEREF16(reg) *(__volatile__ u16 *)I810_ADDR(reg) -#define I810_READ16(reg) I810_DEREF16(reg) -#define I810_WRITE16(reg,val) do { I810_DEREF16(reg) = val; } while (0) - #define RING_LOCALS unsigned int outring, ringmask; volatile char *virt; #define BEGIN_LP_RING(n) do { \ @@ -107,14 +97,14 @@ static drm_buf_t *i810_freelist_get(drm_device_t *dev) drm_device_dma_t *dma = dev->dma; int i; int used; - + /* Linear search might not be the best solution */ for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[ i ]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; /* In use is already a pointer */ - used = cmpxchg(buf_priv->in_use, I810_BUF_FREE, + used = cmpxchg(buf_priv->in_use, I810_BUF_FREE, I810_BUF_CLIENT); if(used == I810_BUF_FREE) { return buf; @@ -131,26 +121,26 @@ static int i810_freelist_put(drm_device_t *dev, drm_buf_t *buf) { drm_i810_buf_priv_t *buf_priv = buf->dev_private; int used; - + /* In use is already a pointer */ used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE); if(used != I810_BUF_CLIENT) { DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); return -EINVAL; } - + return 0; } static struct file_operations i810_buffer_fops = { - open: i810_open, - flush: drm_flush, - release: i810_release, - ioctl: i810_ioctl, + open: DRM(open), + flush: DRM(flush), + release: DRM(release), + ioctl: DRM(ioctl), mmap: i810_mmap_buffers, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, + read: DRM(read), + fasync: DRM(fasync), + poll: DRM(poll), }; int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) @@ -166,10 +156,10 @@ int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) dev_priv = dev->dev_private; buf = dev_priv->mmap_buffer; buf_priv = buf->dev_private; - + vma->vm_flags |= (VM_IO | VM_DONTCOPY); vma->vm_file = filp; - + buf_priv->currently_mapped = I810_BUF_MAPPED; unlock_kernel(); @@ -196,9 +186,9 @@ static int i810_map_buffer(drm_buf_t *buf, struct file *filp) old_fops = filp->f_op; filp->f_op = &i810_buffer_fops; dev_priv->mmap_buffer = buf; - buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, + buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, PROT_READ|PROT_WRITE, - MAP_SHARED, + MAP_SHARED, buf->bus_address); dev_priv->mmap_buffer = NULL; filp->f_op = old_fops; @@ -222,15 +212,15 @@ static int i810_unmap_buffer(drm_buf_t *buf) int retcode = 0; if(VM_DONTCOPY != 0) { - if(buf_priv->currently_mapped != I810_BUF_MAPPED) + if(buf_priv->currently_mapped != I810_BUF_MAPPED) return -EINVAL; down(¤t->mm->mmap_sem); #if LINUX_VERSION_CODE < 0x020399 - retcode = do_munmap((unsigned long)buf_priv->virtual, + retcode = do_munmap((unsigned long)buf_priv->virtual, (size_t) buf->total); #else - retcode = do_munmap(current->mm, - (unsigned long)buf_priv->virtual, + retcode = do_munmap(current->mm, + (unsigned long)buf_priv->virtual, (size_t) buf->total); #endif up(¤t->mm->mmap_sem); @@ -241,7 +231,7 @@ static int i810_unmap_buffer(drm_buf_t *buf) return retcode; } -static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, +static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, struct file *filp) { drm_file_t *priv = filp->private_data; @@ -255,7 +245,7 @@ static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, DRM_DEBUG("retcode=%d\n", retcode); return retcode; } - + retcode = i810_map_buffer(buf, filp); if(retcode) { i810_freelist_put(dev, buf); @@ -263,7 +253,7 @@ static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, return retcode; } buf->pid = priv->pid; - buf_priv = buf->dev_private; + buf_priv = buf->dev_private; d->granted = 1; d->request_idx = buf->idx; d->request_size = buf->total; @@ -275,22 +265,22 @@ static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, static unsigned long i810_alloc_page(drm_device_t *dev) { unsigned long address; - + address = __get_free_page(GFP_KERNEL); - if(address == 0UL) + if(address == 0UL) return 0; - + atomic_inc(&virt_to_page(address)->count); set_bit(PG_locked, &virt_to_page(address)->flags); - + return address; } static void i810_free_page(drm_device_t *dev, unsigned long page) { - if(page == 0UL) + if(page == 0UL) return; - + atomic_dec(&virt_to_page(page)->count); clear_bit(PG_locked, &virt_to_page(page)->flags); wake_up(&virt_to_page(page)->wait); @@ -304,26 +294,26 @@ static int i810_dma_cleanup(drm_device_t *dev) if(dev->dev_private) { int i; - drm_i810_private_t *dev_priv = + drm_i810_private_t *dev_priv = (drm_i810_private_t *) dev->dev_private; - + if(dev_priv->ring.virtual_start) { - drm_ioremapfree((void *) dev_priv->ring.virtual_start, - dev_priv->ring.Size); + DRM(ioremapfree)((void *) dev_priv->ring.virtual_start, + dev_priv->ring.Size); } if(dev_priv->hw_status_page != 0UL) { i810_free_page(dev, dev_priv->hw_status_page); /* Need to rewrite hardware status page */ I810_WRITE(0x02080, 0x1ffff000); } - drm_free(dev->dev_private, sizeof(drm_i810_private_t), + DRM(free)(dev->dev_private, sizeof(drm_i810_private_t), DRM_MEM_DRIVER); dev->dev_private = NULL; for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[ i ]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - drm_ioremapfree(buf_priv->kernel_virtual, buf->total); + DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total); } } return 0; @@ -340,14 +330,14 @@ static int i810_wait_ring(drm_device_t *dev, int n) end = jiffies + (HZ*3); while (ring->space < n) { int i; - + ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; ring->space = ring->head - (ring->tail+8); if (ring->space < 0) ring->space += ring->Size; - + if (ring->head != last_head) end = jiffies + (HZ*3); - + iters++; if((signed)(end - jiffies) <= 0) { DRM_ERROR("space: %d wanted %d\n", ring->space, n); @@ -358,7 +348,7 @@ static int i810_wait_ring(drm_device_t *dev, int n) for (i = 0 ; i < 2000 ; i++) ; } -out_wait_ring: +out_wait_ring: return iters; } @@ -366,7 +356,7 @@ static void i810_kernel_lost_context(drm_device_t *dev) { drm_i810_private_t *dev_priv = dev->dev_private; drm_i810_ring_buffer_t *ring = &(dev_priv->ring); - + ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; ring->tail = I810_READ(LP_RING + RING_TAIL); ring->space = ring->head - (ring->tail+8); @@ -380,7 +370,7 @@ static int i810_freelist_init(drm_device_t *dev) int my_idx = 24; u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx); int i; - + if(dma->buf_count > 1019) { /* Not enough space in the status page for the freelist */ return -EINVAL; @@ -389,20 +379,20 @@ static int i810_freelist_init(drm_device_t *dev) for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[ i ]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - + buf_priv->in_use = hw_status++; buf_priv->my_use_idx = my_idx; my_idx += 4; *buf_priv->in_use = I810_BUF_FREE; - buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, - buf->total); + buf_priv->kernel_virtual = DRM(ioremap)(buf->bus_address, + buf->total); } return 0; } -static int i810_dma_initialize(drm_device_t *dev, +static int i810_dma_initialize(drm_device_t *dev, drm_i810_private_t *dev_priv, drm_i810_init_t *init) { @@ -417,27 +407,27 @@ static int i810_dma_initialize(drm_device_t *dev, DRM_ERROR("ring_map or buffer_map are invalid\n"); return -EINVAL; } - + dev_priv->ring_map_idx = init->ring_map_idx; dev_priv->buffer_map_idx = init->buffer_map_idx; sarea_map = dev->maplist[0]; - dev_priv->sarea_priv = (drm_i810_sarea_t *) - ((u8 *)sarea_map->handle + + dev_priv->sarea_priv = (drm_i810_sarea_t *) + ((u8 *)sarea_map->handle + init->sarea_priv_offset); atomic_set(&dev_priv->flush_done, 0); init_waitqueue_head(&dev_priv->flush_queue); - + dev_priv->ring.Start = init->ring_start; dev_priv->ring.End = init->ring_end; dev_priv->ring.Size = init->ring_size; - dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + - init->ring_start, - init->ring_size); + dev_priv->ring.virtual_start = DRM(ioremap)(dev->agp->base + + init->ring_start, + init->ring_size); dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; - + if (dev_priv->ring.virtual_start == NULL) { i810_dma_cleanup(dev); DRM_ERROR("can not ioremap virtual address for" @@ -454,8 +444,8 @@ static int i810_dma_initialize(drm_device_t *dev, dev_priv->front_di1 = init->front_offset | init->pitch_bits; dev_priv->back_di1 = init->back_offset | init->pitch_bits; dev_priv->zi1 = init->depth_offset | init->pitch_bits; - - + + /* Program Hardware Status Page */ dev_priv->hw_status_page = i810_alloc_page(dev); memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE); @@ -465,10 +455,10 @@ static int i810_dma_initialize(drm_device_t *dev, return -ENOMEM; } DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page); - + I810_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page)); DRM_DEBUG("Enabled hardware status page\n"); - + /* Now we need to init our freelist */ if(i810_freelist_init(dev) != 0) { i810_dma_cleanup(dev); @@ -487,13 +477,13 @@ int i810_dma_init(struct inode *inode, struct file *filp, drm_i810_private_t *dev_priv; drm_i810_init_t init; int retcode = 0; - + if (copy_from_user(&init, (drm_i810_init_t *)arg, sizeof(init))) return -EFAULT; - + switch(init.func) { case I810_INIT_DMA: - dev_priv = drm_alloc(sizeof(drm_i810_private_t), + dev_priv = DRM(alloc)(sizeof(drm_i810_private_t), DRM_MEM_DRIVER); if(dev_priv == NULL) return -ENOMEM; retcode = i810_dma_initialize(dev, dev_priv, &init); @@ -505,7 +495,7 @@ int i810_dma_init(struct inode *inode, struct file *filp, retcode = -EINVAL; break; } - + return retcode; } @@ -517,9 +507,9 @@ int i810_dma_init(struct inode *inode, struct file *filp, * Use 'volatile' & local var tmp to force the emitted values to be * identical to the verified ones. */ -static void i810EmitContextVerified( drm_device_t *dev, - volatile unsigned int *code ) -{ +static void i810EmitContextVerified( drm_device_t *dev, + volatile unsigned int *code ) +{ drm_i810_private_t *dev_priv = dev->dev_private; int i, j = 0; unsigned int tmp; @@ -537,22 +527,22 @@ static void i810EmitContextVerified( drm_device_t *dev, tmp = code[i]; if ((tmp & (7<<29)) == (3<<29) && - (tmp & (0x1f<<24)) < (0x1d<<24)) + (tmp & (0x1f<<24)) < (0x1d<<24)) { - OUT_RING( tmp ); + OUT_RING( tmp ); j++; - } + } } - if (j & 1) - OUT_RING( 0 ); + if (j & 1) + OUT_RING( 0 ); ADVANCE_LP_RING(); } -static void i810EmitTexVerified( drm_device_t *dev, - volatile unsigned int *code ) -{ +static void i810EmitTexVerified( drm_device_t *dev, + volatile unsigned int *code ) +{ drm_i810_private_t *dev_priv = dev->dev_private; int i, j = 0; unsigned int tmp; @@ -569,15 +559,15 @@ static void i810EmitTexVerified( drm_device_t *dev, tmp = code[i]; if ((tmp & (7<<29)) == (3<<29) && - (tmp & (0x1f<<24)) < (0x1d<<24)) + (tmp & (0x1f<<24)) < (0x1d<<24)) { - OUT_RING( tmp ); + OUT_RING( tmp ); j++; } - } - - if (j & 1) - OUT_RING( 0 ); + } + + if (j & 1) + OUT_RING( 0 ); ADVANCE_LP_RING(); } @@ -585,9 +575,9 @@ static void i810EmitTexVerified( drm_device_t *dev, /* Need to do some additional checking when setting the dest buffer. */ -static void i810EmitDestVerified( drm_device_t *dev, - volatile unsigned int *code ) -{ +static void i810EmitDestVerified( drm_device_t *dev, + volatile unsigned int *code ) +{ drm_i810_private_t *dev_priv = dev->dev_private; unsigned int tmp; RING_LOCALS; @@ -651,9 +641,9 @@ static void i810EmitState( drm_device_t *dev ) -/* need to verify +/* need to verify */ -static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, +static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, unsigned int clear_color, unsigned int clear_zval ) { @@ -684,10 +674,10 @@ static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, pbox->y2 > dev_priv->h) continue; - if ( flags & I810_FRONT ) { + if ( flags & I810_FRONT ) { DRM_DEBUG("clear front\n"); - BEGIN_LP_RING( 6 ); - OUT_RING( BR00_BITBLT_CLIENT | + BEGIN_LP_RING( 6 ); + OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3 ); OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); OUT_RING( (height << 16) | width ); @@ -699,8 +689,8 @@ static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, if ( flags & I810_BACK ) { DRM_DEBUG("clear back\n"); - BEGIN_LP_RING( 6 ); - OUT_RING( BR00_BITBLT_CLIENT | + BEGIN_LP_RING( 6 ); + OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3 ); OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); OUT_RING( (height << 16) | width ); @@ -712,8 +702,8 @@ static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, if ( flags & I810_DEPTH ) { DRM_DEBUG("clear depth\n"); - BEGIN_LP_RING( 6 ); - OUT_RING( BR00_BITBLT_CLIENT | + BEGIN_LP_RING( 6 ); + OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_COLOR_BLT | 0x3 ); OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); OUT_RING( (height << 16) | width ); @@ -744,7 +734,7 @@ static void i810_dma_dispatch_swap( drm_device_t *dev ) if (nbox > I810_NR_SAREA_CLIPRECTS) nbox = I810_NR_SAREA_CLIPRECTS; - for (i = 0 ; i < nbox; i++, pbox++) + for (i = 0 ; i < nbox; i++, pbox++) { unsigned int w = pbox->x2 - pbox->x1; unsigned int h = pbox->y2 - pbox->y1; @@ -756,7 +746,7 @@ static void i810_dma_dispatch_swap( drm_device_t *dev ) pbox->x2 > dev_priv->w || pbox->y2 > dev_priv->h) continue; - + DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n", pbox[i].x1, pbox[i].y1, pbox[i].x2, pbox[i].y2); @@ -766,14 +756,14 @@ static void i810_dma_dispatch_swap( drm_device_t *dev ) OUT_RING( pitch | (0xCC << 16)); OUT_RING( (h << 16) | (w * cpp)); OUT_RING( dst ); - OUT_RING( pitch ); + OUT_RING( pitch ); OUT_RING( start ); ADVANCE_LP_RING(); } } -static void i810_dma_dispatch_vertex(drm_device_t *dev, +static void i810_dma_dispatch_vertex(drm_device_t *dev, drm_buf_t *buf, int discard, int used) @@ -784,30 +774,30 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev, drm_clip_rect_t *box = sarea_priv->boxes; int nbox = sarea_priv->nbox; unsigned long address = (unsigned long)buf->bus_address; - unsigned long start = address - dev->agp->base; + unsigned long start = address - dev->agp->base; int i = 0, u; RING_LOCALS; i810_kernel_lost_context(dev); - if (nbox > I810_NR_SAREA_CLIPRECTS) + if (nbox > I810_NR_SAREA_CLIPRECTS) nbox = I810_NR_SAREA_CLIPRECTS; if (discard) { - u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, + u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_HARDWARE); if(u != I810_BUF_CLIENT) { DRM_DEBUG("xxxx 2\n"); } } - if (used > 4*1024) + if (used > 4*1024) used = 0; if (sarea_priv->dirty) i810EmitState( dev ); - DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", + DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", address, used, nbox); dev_priv->counter++; @@ -821,7 +811,7 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev, *(u32 *)buf_priv->virtual = (GFX_OP_PRIMITIVE | sarea_priv->vertex_prim | ((used/4)-2)); - + if (used & 4) { *(u32 *)((u32)buf_priv->virtual + used) = 0; used += 4; @@ -829,26 +819,26 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev, i810_unmap_buffer(buf); } - + if (used) { do { if (i < nbox) { BEGIN_LP_RING(4); - OUT_RING( GFX_OP_SCISSOR | SC_UPDATE_SCISSOR | + OUT_RING( GFX_OP_SCISSOR | SC_UPDATE_SCISSOR | SC_ENABLE ); OUT_RING( GFX_OP_SCISSOR_INFO ); OUT_RING( box[i].x1 | (box[i].y1<<16) ); OUT_RING( (box[i].x2-1) | ((box[i].y2-1)<<16) ); ADVANCE_LP_RING(); } - + BEGIN_LP_RING(4); OUT_RING( CMD_OP_BATCH_BUFFER ); OUT_RING( start | BB1_PROTECTED ); OUT_RING( start + used - 4 ); OUT_RING( 0 ); ADVANCE_LP_RING(); - + } while (++i < nbox); } @@ -872,24 +862,24 @@ static void i810_dma_dispatch_vertex(drm_device_t *dev, /* Interrupts are only for flushing */ -static void i810_dma_service(int irq, void *device, struct pt_regs *regs) +void i810_dma_service(int irq, void *device, struct pt_regs *regs) { drm_device_t *dev = (drm_device_t *)device; u16 temp; - - atomic_inc(&dev->total_irq); + + atomic_inc(&dev->counts[_DRM_STAT_IRQ]); temp = I810_READ16(I810REG_INT_IDENTITY_R); temp = temp & ~(0x6000); - if(temp != 0) I810_WRITE16(I810REG_INT_IDENTITY_R, + if(temp != 0) I810_WRITE16(I810REG_INT_IDENTITY_R, temp); /* Clear all interrupts */ else return; - + queue_task(&dev->tq, &tq_immediate); mark_bh(IMMEDIATE_BH); } -static void i810_dma_task_queue(void *device) +void i810_dma_immediate_bh(void *device) { drm_device_t *dev = (drm_device_t *) device; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; @@ -898,129 +888,6 @@ static void i810_dma_task_queue(void *device) wake_up_interruptible(&dev_priv->flush_queue); } -int i810_irq_install(drm_device_t *dev, int irq) -{ - int retcode; - u16 temp; - - if (!irq) return -EINVAL; - - down(&dev->struct_sem); - if (dev->irq) { - up(&dev->struct_sem); - return -EBUSY; - } - dev->irq = irq; - up(&dev->struct_sem); - - DRM_DEBUG( "Interrupt Install : %d\n", irq); - DRM_DEBUG("%d\n", irq); - - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - - dev->dma->next_buffer = NULL; - dev->dma->next_queue = NULL; - dev->dma->this_buffer = NULL; - - INIT_LIST_HEAD(&dev->tq.list); - dev->tq.sync = 0; - dev->tq.routine = i810_dma_task_queue; - dev->tq.data = dev; - - /* Before installing handler */ - temp = I810_READ16(I810REG_HWSTAM); - temp = temp & 0x6000; - I810_WRITE16(I810REG_HWSTAM, temp); - - temp = I810_READ16(I810REG_INT_MASK_R); - temp = temp & 0x6000; - I810_WRITE16(I810REG_INT_MASK_R, temp); /* Unmask interrupts */ - temp = I810_READ16(I810REG_INT_ENABLE_R); - temp = temp & 0x6000; - I810_WRITE16(I810REG_INT_ENABLE_R, temp); /* Disable all interrupts */ - - /* Install handler */ - if ((retcode = request_irq(dev->irq, - i810_dma_service, - SA_SHIRQ, - dev->devname, - dev))) { - down(&dev->struct_sem); - dev->irq = 0; - up(&dev->struct_sem); - return retcode; - } - temp = I810_READ16(I810REG_INT_ENABLE_R); - temp = temp & 0x6000; - temp = temp | 0x0003; - I810_WRITE16(I810REG_INT_ENABLE_R, - temp); /* Enable bp & user interrupts */ - return 0; -} - -int i810_irq_uninstall(drm_device_t *dev) -{ - int irq; - u16 temp; - - -/* return 0; */ - - down(&dev->struct_sem); - irq = dev->irq; - dev->irq = 0; - up(&dev->struct_sem); - - if (!irq) return -EINVAL; - - DRM_DEBUG( "Interrupt UnInstall: %d\n", irq); - DRM_DEBUG("%d\n", irq); - - temp = I810_READ16(I810REG_INT_IDENTITY_R); - temp = temp & ~(0x6000); - if(temp != 0) I810_WRITE16(I810REG_INT_IDENTITY_R, - temp); /* Clear all interrupts */ - - temp = I810_READ16(I810REG_INT_ENABLE_R); - temp = temp & 0x6000; - I810_WRITE16(I810REG_INT_ENABLE_R, - temp); /* Disable all interrupts */ - - free_irq(irq, dev); - - return 0; -} - -int i810_control(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_control_t ctl; - int retcode; - - DRM_DEBUG( "i810_control\n"); - - if (copy_from_user(&ctl, (drm_control_t *)arg, sizeof(ctl))) - return -EFAULT; - - switch (ctl.func) { - case DRM_INST_HANDLER: - if ((retcode = i810_irq_install(dev, ctl.irq))) - return retcode; - break; - case DRM_UNINST_HANDLER: - if ((retcode = i810_irq_uninstall(dev))) - return retcode; - break; - default: - return -EINVAL; - } - return 0; -} - static inline void i810_dma_emit_flush(drm_device_t *dev) { drm_i810_private_t *dev_priv = dev->dev_private; @@ -1057,11 +924,11 @@ static inline void i810_dma_quiescent_emit(drm_device_t *dev) /* wake_up_interruptible(&dev_priv->flush_queue); */ } -static void i810_dma_quiescent(drm_device_t *dev) +void i810_dma_quiescent(drm_device_t *dev) { DECLARE_WAITQUEUE(entry, current); drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; - unsigned long end; + unsigned long end; if(dev_priv == NULL) { return; @@ -1069,7 +936,7 @@ static void i810_dma_quiescent(drm_device_t *dev) atomic_set(&dev_priv->flush_done, 0); add_wait_queue(&dev_priv->flush_queue, &entry); end = jiffies + (HZ*3); - + for (;;) { current->state = TASK_INTERRUPTIBLE; i810_dma_quiescent_emit(dev); @@ -1077,16 +944,16 @@ static void i810_dma_quiescent(drm_device_t *dev) if((signed)(end - jiffies) <= 0) { DRM_ERROR("lockup\n"); break; - } + } schedule_timeout(HZ*3); if (signal_pending(current)) { break; } } - + current->state = TASK_RUNNING; remove_wait_queue(&dev_priv->flush_queue, &entry); - + return; } @@ -1096,7 +963,7 @@ static int i810_flush_queue(drm_device_t *dev) drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; drm_device_dma_t *dma = dev->dma; unsigned long end; - int i, ret = 0; + int i, ret = 0; if(dev_priv == NULL) { return 0; @@ -1111,14 +978,14 @@ static int i810_flush_queue(drm_device_t *dev) if((signed)(end - jiffies) <= 0) { DRM_ERROR("lockup\n"); break; - } + } schedule_timeout(HZ*3); if (signal_pending(current)) { ret = -EINTR; /* Can't restart */ break; } } - + current->state = TASK_RUNNING; remove_wait_queue(&dev_priv->flush_queue, &entry); @@ -1126,8 +993,8 @@ static int i810_flush_queue(drm_device_t *dev) for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[ i ]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - - int used = cmpxchg(buf_priv->in_use, I810_BUF_HARDWARE, + + int used = cmpxchg(buf_priv->in_use, I810_BUF_HARDWARE, I810_BUF_FREE); if (used == I810_BUF_HARDWARE) @@ -1154,9 +1021,9 @@ void i810_reclaim_buffers(drm_device_t *dev, pid_t pid) for (i = 0; i < dma->buf_count; i++) { drm_buf_t *buf = dma->buflist[ i ]; drm_i810_buf_priv_t *buf_priv = buf->dev_private; - + if (buf->pid == pid && buf_priv) { - int used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, + int used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE); if (used == I810_BUF_CLIENT) @@ -1167,91 +1034,12 @@ void i810_reclaim_buffers(drm_device_t *dev, pid_t pid) } } -int i810_lock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - - DECLARE_WAITQUEUE(entry, current); - int ret = 0; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", - lock.context, current->pid, dev->lock.hw_lock->lock, - lock.flags); - - if (lock.context < 0) { - return -EINVAL; - } - /* Only one queue: - */ - - if (!ret) { - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - ret = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - lock.context)) { - dev->lock.pid = current->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - - /* Contention */ - atomic_inc(&dev->total_sleeps); - DRM_DEBUG("Calling lock schedule\n"); - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - } - - if (!ret) { - sigemptyset(&dev->sigmask); - sigaddset(&dev->sigmask, SIGSTOP); - sigaddset(&dev->sigmask, SIGTSTP); - sigaddset(&dev->sigmask, SIGTTIN); - sigaddset(&dev->sigmask, SIGTTOU); - dev->sigdata.context = lock.context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); - - if (lock.flags & _DRM_LOCK_QUIESCENT) { - DRM_DEBUG("_DRM_LOCK_QUIESCENT\n"); - DRM_DEBUG("fred\n"); - i810_dma_quiescent(dev); - } - } - DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); - return ret; -} - -int i810_flush_ioctl(struct inode *inode, struct file *filp, +int i810_flush_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - + DRM_DEBUG("i810_flush_ioctl\n"); if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { DRM_ERROR("i810_flush_ioctl called without lock held\n"); @@ -1271,8 +1059,8 @@ int i810_dma_vertex(struct inode *inode, struct file *filp, drm_device_dma_t *dma = dev->dma; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; u32 *hw_status = (u32 *)dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; drm_i810_vertex_t vertex; if (copy_from_user(&vertex, (drm_i810_vertex_t *)arg, sizeof(vertex))) @@ -1286,15 +1074,15 @@ int i810_dma_vertex(struct inode *inode, struct file *filp, DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n", vertex.idx, vertex.used, vertex.discard); - i810_dma_dispatch_vertex( dev, - dma->buflist[ vertex.idx ], + i810_dma_dispatch_vertex( dev, + dma->buflist[ vertex.idx ], vertex.discard, vertex.used ); - atomic_add(vertex.used, &dma->total_bytes); - atomic_inc(&dma->total_dmas); + atomic_add(vertex.used, &dev->counts[_DRM_STAT_SECONDARY]); + atomic_inc(&dev->counts[_DRM_STAT_DMA]); sarea_priv->last_enqueue = dev_priv->counter-1; sarea_priv->last_dispatch = (int) hw_status[5]; - + return 0; } @@ -1309,14 +1097,14 @@ int i810_clear_bufs(struct inode *inode, struct file *filp, if (copy_from_user(&clear, (drm_i810_clear_t *)arg, sizeof(clear))) return -EFAULT; - + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { DRM_ERROR("i810_clear_bufs called without lock held\n"); return -EINVAL; } - i810_dma_dispatch_clear( dev, clear.flags, - clear.clear_color, + i810_dma_dispatch_clear( dev, clear.flags, + clear.clear_color, clear.clear_depth ); return 0; } @@ -1326,7 +1114,7 @@ int i810_swap_bufs(struct inode *inode, struct file *filp, { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - + DRM_DEBUG("i810_swap_bufs\n"); if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { @@ -1345,8 +1133,8 @@ int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, drm_device_t *dev = priv->dev; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; u32 *hw_status = (u32 *)dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; sarea_priv->last_dispatch = (int) hw_status[5]; return 0; @@ -1361,18 +1149,18 @@ int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, drm_i810_dma_t d; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; u32 *hw_status = (u32 *)dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; DRM_DEBUG("getbuf\n"); if (copy_from_user(&d, (drm_i810_dma_t *)arg, sizeof(d))) return -EFAULT; - + if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { DRM_ERROR("i810_dma called without lock held\n"); return -EINVAL; } - + d.granted = 0; retcode = i810_dma_get_buffer(dev, &d, filp); @@ -1395,8 +1183,8 @@ int i810_copybuf(struct inode *inode, struct file *filp, unsigned int cmd, drm_i810_copy_t d; drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; u32 *hw_status = (u32 *)dev_priv->hw_status_page; - drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) - dev_priv->sarea_priv; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; drm_buf_t *buf; drm_i810_buf_priv_t *buf_priv; drm_device_dma_t *dma = dev->dma; @@ -1405,7 +1193,7 @@ int i810_copybuf(struct inode *inode, struct file *filp, unsigned int cmd, DRM_ERROR("i810_dma called without lock held\n"); return -EINVAL; } - + if (copy_from_user(&d, (drm_i810_copy_t *)arg, sizeof(d))) return -EFAULT; diff --git a/linux/i810_drv.c b/linux/i810_drv.c index 7152eac3..12a59dbf 100644 --- a/linux/i810_drv.c +++ b/linux/i810_drv.c @@ -19,630 +19,64 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Jeff Hartmann <jhartmann@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "i810.h" #include "drmP.h" #include "i810_drv.h" -#define I810_NAME "i810" -#define I810_DESC "Intel I810" -#define I810_DATE "20000928" -#define I810_MAJOR 1 -#define I810_MINOR 1 -#define I810_PATCHLEVEL 0 - -static drm_device_t i810_device; -drm_ctx_t i810_res_ctx; - -static struct file_operations i810_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: i810_open, - flush: drm_flush, - release: i810_release, - ioctl: i810_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice i810_misc = { - minor: MISC_DYNAMIC_MINOR, - name: I810_NAME, - fops: &i810_fops, -}; - -static drm_ioctl_desc_t i810_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { i810_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { i810_control, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { i810_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { i810_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { i810_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { i810_freebufs, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { i810_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { i810_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { i810_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { i810_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { i810_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { i810_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { i810_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { i810_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { i810_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_I810_INIT)] = { i810_dma_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_VERTEX)] = { i810_dma_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_CLEAR)] = { i810_clear_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_FLUSH)] = { i810_flush_ioctl,1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_GETAGE)] = { i810_getage, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_GETBUF)] = { i810_getbuf, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_SWAP)] = { i810_swap_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_COPY)] = { i810_copybuf, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy, 1, 0 }, -}; - -#define I810_IOCTL_COUNT DRM_ARRAY_SIZE(i810_ioctls) - -#ifdef MODULE -static char *i810 = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("Intel I810"); -MODULE_PARM(i810, "s"); - -#ifndef MODULE -/* i810_options is called by the kernel to parse command-line options - * passed via the boot-loader (e.g., LILO). It calls the insmod option - * routine, drm_parse_drm. - */ - -static int __init i810_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("i810=", i810_options); -#endif - -static int i810_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - drm_dma_setup(dev); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); -#if DRM_DMA_HISTO - memset(&dev->histo, 0, sizeof(dev->histo)); -#endif - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - DRM_DEBUG("\n"); - - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ - - return 0; -} - - -static int i810_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - if (dev->irq) i810_irq_uninstall(dev); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until r128_cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; - if (entry->bound) drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) _drm_agp_release(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } -#endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - - if (dev->queuelist) { - for (i = 0; i < dev->queue_count; i++) { - drm_waitlist_destroy(&dev->queuelist[i]->waitlist); - if (dev->queuelist[i]) { - drm_free(dev->queuelist[i], - sizeof(*dev->queuelist[0]), - DRM_MEM_QUEUES); - dev->queuelist[i] = NULL; - } - } - drm_free(dev->queuelist, - dev->queue_slots * sizeof(*dev->queuelist), - DRM_MEM_QUEUES); - dev->queuelist = NULL; - } - - drm_dma_takedown(dev); - - dev->queue_count = 0; - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* i810_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init i810_init(void) -{ - int retcode; - drm_device_t *dev = &i810_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(i810); -#endif - DRM_DEBUG("doing misc_register\n"); - if ((retcode = misc_register(&i810_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", I810_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, i810_misc.minor); - dev->name = I810_NAME; - - DRM_DEBUG("doing mem init\n"); - drm_mem_init(); - DRM_DEBUG("doing proc init\n"); - drm_proc_init(dev); - DRM_DEBUG("doing agp init\n"); - dev->agp = drm_agp_init(); - if(dev->agp == NULL) { - DRM_INFO("The i810 drm module requires the agpgart module" - " to function correctly\nPlease load the agpgart" - " module before you load the i810 module\n"); - drm_proc_cleanup(); - misc_deregister(&i810_misc); - i810_takedown(dev); - return -ENOMEM; - } - DRM_DEBUG("doing ctxbitmap init\n"); - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&i810_misc); - i810_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - I810_NAME, - I810_MAJOR, - I810_MINOR, - I810_PATCHLEVEL, - I810_DATE, - i810_misc.minor); - - return 0; -} - -/* i810_cleanup is called via cleanup_module at module unload time. */ - -static void __exit i810_cleanup(void) -{ - drm_device_t *dev = &i810_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&i810_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); - i810_takedown(dev); - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -} - -module_init(i810_init); -module_exit(i810_cleanup); - - -int i810_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } - - version.version_major = I810_MAJOR; - version.version_minor = I810_MINOR; - version.version_patchlevel = I810_PATCHLEVEL; - - DRM_COPY(version.name, I810_NAME); - DRM_COPY(version.date, I810_DATE); - DRM_COPY(version.desc, I810_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int i810_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &i810_device; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return i810_setup(dev); - } - spin_unlock(&dev->count_lock); - } - return retcode; -} - -int i810_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", - current->pid, dev->device, dev->open_count); - - if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) - && dev->lock.pid == current->pid) { - i810_reclaim_buffers(dev, priv->pid); - DRM_ERROR("Process %d dead, freeing lock for context %d\n", - current->pid, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - drm_lock_free(dev, - &dev->lock.hw_lock->lock, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - - /* FIXME: may require heavy-handed reset of - hardware at this point, possibly - processed via a callback to the X - server. */ - } else if (dev->lock.hw_lock) { - /* The lock is required to reclaim buffers */ - DECLARE_WAITQUEUE(entry, current); - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - retcode = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - dev->lock.pid = priv->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - retcode = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - if(!retcode) { - i810_reclaim_buffers(dev, priv->pid); - drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT); - } - } - drm_fasync(-1, filp, 0); - - down(&dev->struct_sem); - if (priv->prev) priv->prev->next = priv->next; - else dev->file_first = priv->next; - if (priv->next) priv->next->prev = priv->prev; - else dev->file_last = priv->prev; - up(&dev->struct_sem); - - drm_free(priv, sizeof(*priv), DRM_MEM_FILES); -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return i810_takedown(dev); - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return retcode; -} - -/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int i810_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, priv->authenticated); - - if (nr >= I810_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &i810_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function\n"); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int i810_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d frees lock (%d holds)\n", - lock.context, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - if (!dev->context_flag) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("\n"); - } - } -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.lhld[drm_histogram_slot(get_cycles() - - dev->lck_start)]); -#endif - - unblock_all_signals(); - return 0; -} +#define DRIVER_AUTHOR "VA Linux Systems Inc." + +#define DRIVER_NAME "i810" +#define DRIVER_DESC "Intel i810" +#define DRIVER_DATE "20010215" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 + +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_INIT)] = { i810_dma_init, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_VERTEX)] = { i810_dma_vertex, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_CLEAR)] = { i810_clear_bufs, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_FLUSH)] = { i810_flush_ioctl, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_GETAGE)] = { i810_getage, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_GETBUF)] = { i810_getbuf, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_SWAP)] = { i810_swap_bufs, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_COPY)] = { i810_copybuf, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I810_DOCOPY)] = { i810_docopy, 1, 0 }, + + +#define __HAVE_COUNTERS 4 +#define __HAVE_COUNTER6 _DRM_STAT_IRQ +#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY +#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY +#define __HAVE_COUNTER9 _DRM_STAT_DMA + + +#include "drm_agpsupport.h" +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lock.h" +#include "drm_lists.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux/i810_drv.h b/linux/i810_drv.h index 1c957401..43d44e02 100644 --- a/linux/i810_drv.h +++ b/linux/i810_drv.h @@ -11,11 +11,11 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL @@ -67,78 +67,33 @@ typedef struct drm_i810_private { wait_queue_head_t flush_queue; /* Processes waiting until flush */ drm_buf_t *mmap_buffer; - + u32 front_di1, back_di1, zi1; - + int back_offset; int depth_offset; int w, h; int pitch; } drm_i810_private_t; - /* i810_drv.c */ -extern int i810_version(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_open(struct inode *inode, struct file *filp); -extern int i810_release(struct inode *inode, struct file *filp); -extern int i810_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_unlock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - /* i810_dma.c */ extern int i810_dma_schedule(drm_device_t *dev, int locked); extern int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int i810_irq_install(drm_device_t *dev, int irq); -extern int i810_irq_uninstall(drm_device_t *dev); -extern int i810_control(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_lock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); extern int i810_dma_init(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int i810_flush_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern void i810_reclaim_buffers(drm_device_t *dev, pid_t pid); -extern int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg); -extern int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma); -extern int i810_copybuf(struct inode *inode, struct file *filp, +extern int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int i810_docopy(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - /* i810_bufs.c */ -extern int i810_addbufs(struct inode *inode, struct file *filp, +extern int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma); +extern int i810_copybuf(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int i810_infobufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_markbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_freebufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_addmap(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - /* i810_context.c */ -extern int i810_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_getctx(struct inode *inode, struct file *filp, +extern int i810_docopy(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int i810_switchctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int i810_context_switch(drm_device_t *dev, int old, int new); -extern int i810_context_switch_complete(drm_device_t *dev, int new); +extern void i810_dma_quiescent(drm_device_t *dev); #define I810_VERBOSE 0 @@ -152,6 +107,19 @@ int i810_swap_bufs(struct inode *inode, struct file *filp, int i810_clear_bufs(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); + +#define I810_REG(reg) 2 +#define I810_BASE(reg) ((unsigned long) \ + dev->maplist[I810_REG(reg)]->handle) +#define I810_ADDR(reg) (I810_BASE(reg) + reg) +#define I810_DEREF(reg) *(__volatile__ int *)I810_ADDR(reg) +#define I810_READ(reg) I810_DEREF(reg) +#define I810_WRITE(reg,val) do { I810_DEREF(reg) = val; } while (0) +#define I810_DEREF16(reg) *(__volatile__ u16 *)I810_ADDR(reg) +#define I810_READ16(reg) I810_DEREF16(reg) +#define I810_WRITE16(reg,val) do { I810_DEREF16(reg) = val; } while (0) + + #define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23)) #define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23)) #define CMD_REPORT_HEAD (7<<23) @@ -184,7 +152,7 @@ int i810_clear_bufs(struct inode *inode, struct file *filp, #define RING_START 0x08 #define START_ADDR 0x00FFFFF8 #define RING_LEN 0x0C -#define RING_NR_PAGES 0x000FF000 +#define RING_NR_PAGES 0x000FF000 #define RING_REPORT_MASK 0x00000006 #define RING_REPORT_64K 0x00000002 #define RING_REPORT_128K 0x00000004 @@ -222,4 +190,3 @@ int i810_clear_bufs(struct inode *inode, struct file *filp, #endif - diff --git a/linux/ioctl.c b/linux/ioctl.c deleted file mode 100644 index 2f4286b1..00000000 --- a/linux/ioctl.c +++ /dev/null @@ -1,99 +0,0 @@ -/* ioctl.c -- IOCTL processing for DRM -*- linux-c -*- - * Created: Fri Jan 8 09:01:26 1999 by faith@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" - -int drm_irq_busid(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_irq_busid_t p; - struct pci_dev *dev; - - if (copy_from_user(&p, (drm_irq_busid_t *)arg, sizeof(p))) - return -EFAULT; - dev = pci_find_slot(p.busnum, PCI_DEVFN(p.devnum, p.funcnum)); - if (dev) p.irq = dev->irq; - else p.irq = 0; - DRM_DEBUG("%d:%d:%d => IRQ %d\n", - p.busnum, p.devnum, p.funcnum, p.irq); - if (copy_to_user((drm_irq_busid_t *)arg, &p, sizeof(p))) - return -EFAULT; - return 0; -} - -int drm_getunique(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_unique_t u; - - if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u))) - return -EFAULT; - if (u.unique_len >= dev->unique_len) { - if (copy_to_user(u.unique, dev->unique, dev->unique_len)) - return -EFAULT; - } - u.unique_len = dev->unique_len; - if (copy_to_user((drm_unique_t *)arg, &u, sizeof(u))) - return -EFAULT; - return 0; -} - -int drm_setunique(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_unique_t u; - - if (dev->unique_len || dev->unique) - return -EBUSY; - - if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u))) - return -EFAULT; - - if (!u.unique_len) - return -EINVAL; - - dev->unique_len = u.unique_len; - dev->unique = drm_alloc(u.unique_len + 1, DRM_MEM_DRIVER); - if (copy_from_user(dev->unique, u.unique, dev->unique_len)) - return -EFAULT; - dev->unique[dev->unique_len] = '\0'; - - dev->devname = drm_alloc(strlen(dev->name) + strlen(dev->unique) + 2, - DRM_MEM_DRIVER); - sprintf(dev->devname, "%s@%s", dev->name, dev->unique); - - return 0; -} diff --git a/linux/mga.h b/linux/mga.h new file mode 100644 index 00000000..277aa202 --- /dev/null +++ b/linux/mga.h @@ -0,0 +1,67 @@ +/* mga.h -- Matrox G200/G400 DRM template customization -*- linux-c -*- + * Created: Thu Jan 11 21:29:32 2001 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __MGA_H__ +#define __MGA_H__ + +/* This remains constant for all DRM template files. + */ +#define DRM(x) mga_##x + +/* General customization: + */ +#define __HAVE_AGP 1 +#define __MUST_HAVE_AGP 1 +#define __HAVE_MTRR 1 +#define __HAVE_CTX_BITMAP 1 + +/* Driver customization: + */ +#define DRIVER_PRETAKEDOWN() do { \ + if ( dev->dev_private ) mga_do_cleanup_dma( dev ); \ +} while (0) + +/* DMA customization: + */ +#define __HAVE_DMA 1 + +#define __HAVE_DMA_QUIESCENT 1 +#define DRIVER_DMA_QUIESCENT() do { \ + drm_mga_private_t *dev_priv = dev->dev_private; \ + return mga_do_wait_for_idle( dev_priv ); \ +} while (0) + +/* Buffer customization: + */ +#define DRIVER_BUF_PRIV_T drm_mga_buf_priv_t + +#define DRIVER_AGP_BUFFERS_MAP( dev ) \ + ((drm_mga_private_t *)((dev)->dev_private))->buffers + +#endif diff --git a/linux/mga_bufs.c b/linux/mga_bufs.c deleted file mode 100644 index 05d941b4..00000000 --- a/linux/mga_bufs.c +++ /dev/null @@ -1,612 +0,0 @@ -/* mga_bufs.c -- IOCTLs to manage buffers -*- linux-c -*- - * Created: Thu Jan 6 01:47:26 2000 by jhartmann@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "mga_drv.h" -#include "linux/un.h" - - -int mga_addbufs_agp(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - drm_buf_entry_t *entry; - drm_buf_t *buf; - unsigned long offset; - unsigned long agp_offset; - int count; - int order; - int size; - int alignment; - int page_order; - int total; - int byte_count; - int i; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - count = request.count; - order = drm_order(request.size); - size = 1 << order; - agp_offset = request.agp_start; - alignment = (request.flags & _DRM_PAGE_ALIGN) ? PAGE_ALIGN(size):size; - page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; - total = PAGE_SIZE << page_order; - byte_count = 0; - - DRM_DEBUG("count: %d\n", count); - DRM_DEBUG("order: %d\n", order); - DRM_DEBUG("size: %d\n", size); - DRM_DEBUG("agp_offset: %ld\n", agp_offset); - DRM_DEBUG("alignment: %d\n", alignment); - DRM_DEBUG("page_order: %d\n", page_order); - DRM_DEBUG("total: %d\n", total); - DRM_DEBUG("byte_count: %d\n", byte_count); - - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - if (dev->queue_count) return -EBUSY; /* Not while in use */ - spin_lock(&dev->count_lock); - if (dev->buf_use) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - atomic_inc(&dev->buf_alloc); - spin_unlock(&dev->count_lock); - - down(&dev->struct_sem); - entry = &dma->bufs[order]; - if (entry->buf_count) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; /* May only call once for each order */ - } - - entry->buflist = drm_alloc(count * sizeof(*entry->buflist), - DRM_MEM_BUFS); - if (!entry->buflist) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; - } - memset(entry->buflist, 0, count * sizeof(*entry->buflist)); - - entry->buf_size = size; - entry->page_order = page_order; - offset = 0; - - - while(entry->buf_count < count) { - buf = &entry->buflist[entry->buf_count]; - buf->idx = dma->buf_count + entry->buf_count; - buf->total = alignment; - buf->order = order; - buf->used = 0; - - buf->offset = offset; /* Hrm */ - buf->bus_address = dev->agp->base + agp_offset + offset; - buf->address = (void *)(agp_offset + offset + dev->agp->base); - buf->next = NULL; - buf->waiting = 0; - buf->pending = 0; - init_waitqueue_head(&buf->dma_wait); - buf->pid = 0; - - buf->dev_private = drm_alloc(sizeof(drm_mga_buf_priv_t), - DRM_MEM_BUFS); - buf->dev_priv_size = sizeof(drm_mga_buf_priv_t); - -#if DRM_DMA_HISTOGRAM - buf->time_queued = 0; - buf->time_dispatched = 0; - buf->time_completed = 0; - buf->time_freed = 0; -#endif - offset = offset + alignment; - entry->buf_count++; - byte_count += PAGE_SIZE << page_order; - } - - dma->buflist = drm_realloc(dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - (dma->buf_count + entry->buf_count) - * sizeof(*dma->buflist), - DRM_MEM_BUFS); - for (i = dma->buf_count; i < dma->buf_count + entry->buf_count; i++) - dma->buflist[i] = &entry->buflist[i - dma->buf_count]; - - dma->buf_count += entry->buf_count; - - DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count); - - dma->byte_count += byte_count; - - DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count); - - drm_freelist_create(&entry->freelist, entry->buf_count); - for (i = 0; i < entry->buf_count; i++) { - drm_freelist_put(dev, &entry->freelist, &entry->buflist[i]); - } - - up(&dev->struct_sem); - - request.count = entry->buf_count; - request.size = size; - - if (copy_to_user((drm_buf_desc_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - atomic_dec(&dev->buf_alloc); - - DRM_DEBUG("count: %d\n", count); - DRM_DEBUG("order: %d\n", order); - DRM_DEBUG("size: %d\n", size); - DRM_DEBUG("agp_offset: %ld\n", agp_offset); - DRM_DEBUG("alignment: %d\n", alignment); - DRM_DEBUG("page_order: %d\n", page_order); - DRM_DEBUG("total: %d\n", total); - DRM_DEBUG("byte_count: %d\n", byte_count); - - dma->flags = _DRM_DMA_USE_AGP; - - DRM_DEBUG("dma->flags : %x\n", dma->flags); - - return 0; -} - -int mga_addbufs_pci(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - int count; - int order; - int size; - int total; - int page_order; - drm_buf_entry_t *entry; - unsigned long page; - drm_buf_t *buf; - int alignment; - unsigned long offset; - int i; - int byte_count; - int page_count; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - count = request.count; - order = drm_order(request.size); - size = 1 << order; - - DRM_DEBUG("count = %d, size = %d (%d), order = %d, queue_count = %d\n", - request.count, request.size, size, order, dev->queue_count); - - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - if (dev->queue_count) return -EBUSY; /* Not while in use */ - - alignment = (request.flags & _DRM_PAGE_ALIGN) ? PAGE_ALIGN(size):size; - page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; - total = PAGE_SIZE << page_order; - - spin_lock(&dev->count_lock); - if (dev->buf_use) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - atomic_inc(&dev->buf_alloc); - spin_unlock(&dev->count_lock); - - down(&dev->struct_sem); - entry = &dma->bufs[order]; - if (entry->buf_count) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; /* May only call once for each order */ - } - - entry->buflist = drm_alloc(count * sizeof(*entry->buflist), - DRM_MEM_BUFS); - if (!entry->buflist) { - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; - } - memset(entry->buflist, 0, count * sizeof(*entry->buflist)); - - entry->seglist = drm_alloc(count * sizeof(*entry->seglist), - DRM_MEM_SEGS); - if (!entry->seglist) { - drm_free(entry->buflist, - count * sizeof(*entry->buflist), - DRM_MEM_BUFS); - up(&dev->struct_sem); - atomic_dec(&dev->buf_alloc); - return -ENOMEM; - } - memset(entry->seglist, 0, count * sizeof(*entry->seglist)); - - dma->pagelist = drm_realloc(dma->pagelist, - dma->page_count * sizeof(*dma->pagelist), - (dma->page_count + (count << page_order)) - * sizeof(*dma->pagelist), - DRM_MEM_PAGES); - DRM_DEBUG("pagelist: %d entries\n", - dma->page_count + (count << page_order)); - - - entry->buf_size = size; - entry->page_order = page_order; - byte_count = 0; - page_count = 0; - while (entry->buf_count < count) { - if (!(page = drm_alloc_pages(page_order, DRM_MEM_DMA))) break; - entry->seglist[entry->seg_count++] = page; - for (i = 0; i < (1 << page_order); i++) { - DRM_DEBUG("page %d @ 0x%08lx\n", - dma->page_count + page_count, - page + PAGE_SIZE * i); - dma->pagelist[dma->page_count + page_count++] - = page + PAGE_SIZE * i; - } - for (offset = 0; - offset + size <= total && entry->buf_count < count; - offset += alignment, ++entry->buf_count) { - buf = &entry->buflist[entry->buf_count]; - buf->idx = dma->buf_count + entry->buf_count; - buf->total = alignment; - buf->order = order; - buf->used = 0; - buf->offset = (dma->byte_count + byte_count + offset); - buf->address = (void *)(page + offset); - buf->next = NULL; - buf->waiting = 0; - buf->pending = 0; - init_waitqueue_head(&buf->dma_wait); - buf->pid = 0; -#if DRM_DMA_HISTOGRAM - buf->time_queued = 0; - buf->time_dispatched = 0; - buf->time_completed = 0; - buf->time_freed = 0; -#endif - DRM_DEBUG("buffer %d @ %p\n", - entry->buf_count, buf->address); - } - byte_count += PAGE_SIZE << page_order; - } - - dma->buflist = drm_realloc(dma->buflist, - dma->buf_count * sizeof(*dma->buflist), - (dma->buf_count + entry->buf_count) - * sizeof(*dma->buflist), - DRM_MEM_BUFS); - for (i = dma->buf_count; i < dma->buf_count + entry->buf_count; i++) - dma->buflist[i] = &entry->buflist[i - dma->buf_count]; - - dma->buf_count += entry->buf_count; - dma->seg_count += entry->seg_count; - dma->page_count += entry->seg_count << page_order; - dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); - - drm_freelist_create(&entry->freelist, entry->buf_count); - for (i = 0; i < entry->buf_count; i++) { - drm_freelist_put(dev, &entry->freelist, &entry->buflist[i]); - } - - up(&dev->struct_sem); - - request.count = entry->buf_count; - request.size = size; - - if (copy_to_user((drm_buf_desc_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - atomic_dec(&dev->buf_alloc); - return 0; -} - -int mga_addbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_buf_desc_t request; - - if (copy_from_user(&request, - (drm_buf_desc_t *)arg, - sizeof(request))) - return -EFAULT; - - if(request.flags & _DRM_AGP_BUFFER) - return mga_addbufs_agp(inode, filp, cmd, arg); - else - return mga_addbufs_pci(inode, filp, cmd, arg); -} - -int mga_infobufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_info_t request; - int i; - int count; - - if (!dma) return -EINVAL; - - spin_lock(&dev->count_lock); - if (atomic_read(&dev->buf_alloc)) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - ++dev->buf_use; /* Can't allocate more after this call */ - spin_unlock(&dev->count_lock); - - if (copy_from_user(&request, - (drm_buf_info_t *)arg, - sizeof(request))) - return -EFAULT; - - for (i = 0, count = 0; i < DRM_MAX_ORDER+1; i++) { - if (dma->bufs[i].buf_count) ++count; - } - - if (request.count >= count) { - for (i = 0, count = 0; i < DRM_MAX_ORDER+1; i++) { - if (dma->bufs[i].buf_count) { - if (copy_to_user(&request.list[count].count, - &dma->bufs[i].buf_count, - sizeof(dma->bufs[0] - .buf_count)) || - copy_to_user(&request.list[count].size, - &dma->bufs[i].buf_size, - sizeof(dma->bufs[0].buf_size)) || - copy_to_user(&request.list[count].low_mark, - &dma->bufs[i] - .freelist.low_mark, - sizeof(dma->bufs[0] - .freelist.low_mark)) || - copy_to_user(&request.list[count] - .high_mark, - &dma->bufs[i] - .freelist.high_mark, - sizeof(dma->bufs[0] - .freelist.high_mark))) - return -EFAULT; - ++count; - } - } - } - request.count = count; - - if (copy_to_user((drm_buf_info_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - return 0; -} - -int mga_markbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_desc_t request; - int order; - drm_buf_entry_t *entry; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, (drm_buf_desc_t *)arg, sizeof(request))) - return -EFAULT; - - order = drm_order(request.size); - if (order < DRM_MIN_ORDER || order > DRM_MAX_ORDER) return -EINVAL; - entry = &dma->bufs[order]; - - if (request.low_mark < 0 || request.low_mark > entry->buf_count) - return -EINVAL; - if (request.high_mark < 0 || request.high_mark > entry->buf_count) - return -EINVAL; - - entry->freelist.low_mark = request.low_mark; - entry->freelist.high_mark = request.high_mark; - - return 0; -} - -int mga_freebufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - drm_buf_free_t request; - int i; - int idx; - drm_buf_t *buf; - - if (!dma) return -EINVAL; - - if (copy_from_user(&request, - (drm_buf_free_t *)arg, - sizeof(request))) - return -EFAULT; - - for (i = 0; i < request.count; i++) { - if (copy_from_user(&idx, - &request.list[i], - sizeof(idx))) - return -EFAULT; - if (idx < 0 || idx >= dma->buf_count) { - DRM_ERROR("Index %d (of %d max)\n", - idx, dma->buf_count - 1); - return -EINVAL; - } - buf = dma->buflist[idx]; - if (buf->pid != current->pid) { - DRM_ERROR("Process %d freeing buffer owned by %d\n", - current->pid, buf->pid); - return -EINVAL; - } - drm_free_buffer(dev, buf); - } - - return 0; -} - -int mga_mapbufs(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - int retcode = 0; - const int zero = 0; - unsigned long virtual; - unsigned long address; - drm_buf_map_t request; - int i; - - if (!dma) return -EINVAL; - - spin_lock(&dev->count_lock); - if (atomic_read(&dev->buf_alloc)) { - spin_unlock(&dev->count_lock); - return -EBUSY; - } - ++dev->buf_use; /* Can't allocate more after this call */ - spin_unlock(&dev->count_lock); - - if (copy_from_user(&request, - (drm_buf_map_t *)arg, - sizeof(request))) - return -EFAULT; - - if (request.count >= dma->buf_count) { - if(dma->flags & _DRM_DMA_USE_AGP) { - drm_mga_private_t *dev_priv = dev->dev_private; - drm_map_t *map = NULL; - - map = dev->maplist[dev_priv->buffer_map_idx]; - if (!map) { - retcode = -EINVAL; - goto done; - } - - DRM_DEBUG("map->offset : %lx\n", map->offset); - DRM_DEBUG("map->size : %lx\n", map->size); - DRM_DEBUG("map->type : %d\n", map->type); - DRM_DEBUG("map->flags : %x\n", map->flags); - DRM_DEBUG("map->handle : %p\n", map->handle); - DRM_DEBUG("map->mtrr : %d\n", map->mtrr); - down(¤t->mm->mmap_sem); - virtual = do_mmap(filp, 0, map->size, - PROT_READ|PROT_WRITE, - MAP_SHARED, - (unsigned long)map->offset); - up(¤t->mm->mmap_sem); - } else { - down(¤t->mm->mmap_sem); - virtual = do_mmap(filp, 0, dma->byte_count, - PROT_READ|PROT_WRITE, MAP_SHARED, 0); - up(¤t->mm->mmap_sem); - } - if (virtual > -1024UL) { - /* Real error */ - DRM_DEBUG("mmap error\n"); - retcode = (signed long)virtual; - goto done; - } - request.virtual = (void *)virtual; - - for (i = 0; i < dma->buf_count; i++) { - if (copy_to_user(&request.list[i].idx, - &dma->buflist[i]->idx, - sizeof(request.list[0].idx))) { - retcode = -EFAULT; - goto done; - } - if (copy_to_user(&request.list[i].total, - &dma->buflist[i]->total, - sizeof(request.list[0].total))) { - retcode = -EFAULT; - goto done; - } - if (copy_to_user(&request.list[i].used, - &zero, - sizeof(zero))) { - retcode = -EFAULT; - goto done; - } - address = virtual + dma->buflist[i]->offset; - if (copy_to_user(&request.list[i].address, - &address, - sizeof(address))) { - retcode = -EFAULT; - goto done; - } - } - } - done: - request.count = dma->buf_count; - DRM_DEBUG("%d buffers, retcode = %d\n", request.count, retcode); - - if (copy_to_user((drm_buf_map_t *)arg, - &request, - sizeof(request))) - return -EFAULT; - - DRM_DEBUG("retcode : %d\n", retcode); - - return retcode; -} diff --git a/linux/mga_context.c b/linux/mga_context.c deleted file mode 100644 index b26c7c98..00000000 --- a/linux/mga_context.c +++ /dev/null @@ -1,209 +0,0 @@ -/* mga_context.c -- IOCTLs for mga contexts -*- linux-c -*- - * Created: Mon Dec 13 09:51:35 1999 by faith@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Author: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "mga_drv.h" - -static int mga_alloc_queue(drm_device_t *dev) -{ - return drm_ctxbitmap_next(dev); -} - -int mga_context_switch(drm_device_t *dev, int old, int new) -{ - char buf[64]; - - atomic_inc(&dev->total_ctx); - - if (test_and_set_bit(0, &dev->context_flag)) { - DRM_ERROR("Reentering -- FIXME\n"); - return -EBUSY; - } - -#if DRM_DMA_HISTOGRAM - dev->ctx_start = get_cycles(); -#endif - - DRM_DEBUG("Context switch from %d to %d\n", old, new); - - if (new == dev->last_context) { - clear_bit(0, &dev->context_flag); - return 0; - } - - if (drm_flags & DRM_FLAG_NOCTX) { - mga_context_switch_complete(dev, new); - } else { - sprintf(buf, "C %d %d\n", old, new); - drm_write_string(dev, buf); - } - - return 0; -} - -int mga_context_switch_complete(drm_device_t *dev, int new) -{ - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - dev->last_switch = jiffies; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("Lock isn't held after context switch\n"); - } - - /* If a context switch is ever initiated - when the kernel holds the lock, release - that lock here. */ -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles() - - dev->ctx_start)]); - -#endif - clear_bit(0, &dev->context_flag); - wake_up(&dev->context_wait); - - return 0; -} - -int mga_resctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_res_t res; - drm_ctx_t ctx; - int i; - - if (copy_from_user(&res, (drm_ctx_res_t *)arg, sizeof(res))) - return -EFAULT; - if (res.count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - ctx.handle = i; - if (copy_to_user(&res.contexts[i], - &i, - sizeof(i))) - return -EFAULT; - } - } - res.count = DRM_RESERVED_CONTEXTS; - if (copy_to_user((drm_ctx_res_t *)arg, &res, sizeof(res))) - return -EFAULT; - return 0; -} - -int mga_addctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - if ((ctx.handle = mga_alloc_queue(dev)) == DRM_KERNEL_CONTEXT) { - /* Skip kernel's context and get a new one. */ - ctx.handle = mga_alloc_queue(dev); - } - if (ctx.handle == -1) { - return -ENOMEM; - } - DRM_DEBUG("%d\n", ctx.handle); - if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int mga_modctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - /* This does nothing for the mga */ - return 0; -} - -int mga_getctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t*)arg, sizeof(ctx))) - return -EFAULT; - /* This is 0, because we don't hanlde any context flags */ - ctx.flags = 0; - if (copy_to_user((drm_ctx_t*)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int mga_switchctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - return mga_context_switch(dev, dev->last_context, ctx.handle); -} - -int mga_newctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - mga_context_switch_complete(dev, ctx.handle); - - return 0; -} - -int mga_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - if(ctx.handle == DRM_KERNEL_CONTEXT+1) priv->remove_auth_on_close = 1; - - if(ctx.handle != DRM_KERNEL_CONTEXT) { - drm_ctxbitmap_free(dev, ctx.handle); - } - - return 0; -} diff --git a/linux/mga_dma.c b/linux/mga_dma.c index 356376ca..952617c6 100644 --- a/linux/mga_dma.c +++ b/linux/mga_dma.c @@ -24,1028 +24,687 @@ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * Keith Whitwell <keithw@valinux.com> + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Jeff Hartmann <jhartmann@valinux.com> + * Keith Whitwell <keithw@valinux.com> * + * Rewritten by: + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ +#include "mga.h" #include "drmP.h" #include "mga_drv.h" #include <linux/interrupt.h> /* For task queue support */ +#include <linux/delay.h> -#define MGA_REG(reg) 2 -#define MGA_BASE(reg) ((unsigned long) \ - ((drm_device_t *)dev)->maplist[MGA_REG(reg)]->handle) -#define MGA_ADDR(reg) (MGA_BASE(reg) + reg) -#define MGA_DEREF(reg) *(__volatile__ int *)MGA_ADDR(reg) -#define MGA_READ(reg) MGA_DEREF(reg) -#define MGA_WRITE(reg,val) do { MGA_DEREF(reg) = val; } while (0) +#define MGA_DEFAULT_USEC_TIMEOUT 10000 -#define PDEA_pagpxfer_enable 0x2 -static int mga_flush_queue(drm_device_t *dev); +/* ================================================================ + * Engine control + */ -static unsigned long mga_alloc_page(drm_device_t *dev) +int mga_do_wait_for_idle( drm_mga_private_t *dev_priv ) { - unsigned long address; + u32 status = 0; + int i; + DRM_DEBUG( "%s\n", __FUNCTION__ ); - address = __get_free_page(GFP_KERNEL); - if(address == 0UL) { - return 0; + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK; + if ( status == MGA_ENDPRDMASTS ) { + MGA_WRITE8( MGA_CRTC_INDEX, 0 ); + return 0; + } + udelay( 1 ); } - atomic_inc(&virt_to_page(address)->count); - set_bit(PG_reserved, &virt_to_page(address)->flags); - return address; + DRM_DEBUG( "failed! status=0x%08x\n", status ); + return -EBUSY; } -static void mga_free_page(drm_device_t *dev, unsigned long page) +int mga_do_dma_idle( drm_mga_private_t *dev_priv ) { - if(!page) return; - atomic_dec(&virt_to_page(page)->count); - clear_bit(PG_reserved, &virt_to_page(page)->flags); - free_page(page); - return; + u32 status = 0; + int i; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + status = MGA_READ( MGA_STATUS ) & MGA_DMA_IDLE_MASK; + if ( status == MGA_ENDPRDMASTS ) return 0; + udelay( 1 ); + } + + DRM_DEBUG( "failed! status=0x%08x\n", status ); + return -EBUSY; } -static void mga_delay(void) +int mga_do_dma_reset( drm_mga_private_t *dev_priv ) { - return; -} + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_primary_buffer_t *primary = &dev_priv->prim; -/* These are two age tags that will never be sent to - * the hardware */ -#define MGA_BUF_USED 0xffffffff -#define MGA_BUF_FREE 0 + DRM_DEBUG( "%s\n", __FUNCTION__ ); -static int mga_freelist_init(drm_device_t *dev) -{ - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_mga_buf_priv_t *buf_priv; - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - drm_mga_freelist_t *item; - int i; - - dev_priv->head = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER); - if(dev_priv->head == NULL) return -ENOMEM; - memset(dev_priv->head, 0, sizeof(drm_mga_freelist_t)); - dev_priv->head->age = MGA_BUF_USED; - - for (i = 0; i < dma->buf_count; i++) { - buf = dma->buflist[ i ]; - buf_priv = buf->dev_private; - item = drm_alloc(sizeof(drm_mga_freelist_t), - DRM_MEM_DRIVER); - if(item == NULL) return -ENOMEM; - memset(item, 0, sizeof(drm_mga_freelist_t)); - item->age = MGA_BUF_FREE; - item->prev = dev_priv->head; - item->next = dev_priv->head->next; - if(dev_priv->head->next != NULL) - dev_priv->head->next->prev = item; - if(item->next == NULL) dev_priv->tail = item; - item->buf = buf; - buf_priv->my_freelist = item; - buf_priv->discard = 0; - buf_priv->dispatched = 0; - dev_priv->head->next = item; - } + /* The primary DMA stream should look like new right about now. + */ + primary->tail = 0; + primary->space = primary->size; + primary->last_flush = 0; - return 0; -} + sarea_priv->last_wrap = 0; -static void mga_freelist_cleanup(drm_device_t *dev) -{ - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - drm_mga_freelist_t *item; - drm_mga_freelist_t *prev; - - item = dev_priv->head; - while(item) { - prev = item; - item = item->next; - drm_free(prev, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER); - } + /* FIXME: Reset counters, buffer ages etc... + */ + + /* FIXME: What else do we need to reinitialize? WARP stuff? + */ - dev_priv->head = dev_priv->tail = NULL; + return 0; } -/* Frees dispatch lock */ -static inline void mga_dma_quiescent(drm_device_t *dev) +int mga_do_engine_reset( drm_mga_private_t *dev_priv ) { - drm_device_dma_t *dma = dev->dma; - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned long end; - int i; + DRM_DEBUG( "%s\n", __FUNCTION__ ); - DRM_DEBUG("dispatch_status = 0x%02lx\n", dev_priv->dispatch_status); - end = jiffies + (HZ*3); - while(1) { - if(!test_and_set_bit(MGA_IN_DISPATCH, - &dev_priv->dispatch_status)) { - break; - } - if((signed)(end - jiffies) <= 0) { - DRM_ERROR("irqs: %d wanted %d\n", - atomic_read(&dev->total_irq), - atomic_read(&dma->total_lost)); - DRM_ERROR("lockup: dispatch_status = 0x%02lx," - " jiffies = %lu, end = %lu\n", - dev_priv->dispatch_status, jiffies, end); - return; - } - for (i = 0 ; i < 2000 ; i++) mga_delay(); - } - end = jiffies + (HZ*3); - DRM_DEBUG("quiescent status : %x\n", MGA_READ(MGAREG_STATUS)); - while((MGA_READ(MGAREG_STATUS) & 0x00030001) != 0x00020000) { - if((signed)(end - jiffies) <= 0) { - DRM_ERROR("irqs: %d wanted %d\n", - atomic_read(&dev->total_irq), - atomic_read(&dma->total_lost)); - DRM_ERROR("lockup\n"); - clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status); - return; - } - for (i = 0 ; i < 2000 ; i++) mga_delay(); - } - sarea_priv->dirty |= MGA_DMA_FLUSH; + /* Okay, so we've completely screwed up and locked the engine. + * How about we clean up after ourselves? + */ + MGA_WRITE( MGA_RST, MGA_SOFTRESET ); + udelay( 15 ); /* Wait at least 10 usecs */ + MGA_WRITE( MGA_RST, 0 ); + + /* Initialize the registers that get clobbered by the soft + * reset. Many of the core register values survive a reset, + * but the drawing registers are basically all gone. + * + * 3D clients should probably die after calling this. The X + * server should reset the engine state to known values. + */ +#if 0 + MGA_WRITE( MGA_PRIMPTR, + virt_to_bus((void *)dev_priv->prim.status_page) | + MGA_PRIMPTREN0 | + MGA_PRIMPTREN1 ); +#endif - clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status); - DRM_DEBUG("exit, dispatch_status = 0x%02lx\n", - dev_priv->dispatch_status); -} + MGA_WRITE( MGA_ICLEAR, MGA_SOFTRAPICLR ); + MGA_WRITE( MGA_IEN, MGA_SOFTRAPIEN ); -static void mga_reset_freelist(drm_device_t *dev) -{ - drm_device_dma_t *dma = dev->dma; - drm_buf_t *buf; - drm_mga_buf_priv_t *buf_priv; - int i; + /* The primary DMA stream should look like new right about now. + */ + mga_do_dma_reset( dev_priv ); - for (i = 0; i < dma->buf_count; i++) { - buf = dma->buflist[ i ]; - buf_priv = buf->dev_private; - buf_priv->my_freelist->age = MGA_BUF_FREE; - } + /* This bad boy will never fail. + */ + return 0; } -/* Least recently used : - * These operations are not atomic b/c they are protected by the - * hardware lock */ -drm_buf_t *mga_freelist_get(drm_device_t *dev) +/* ================================================================ + * Primary DMA stream + */ + +void mga_do_dma_flush( drm_mga_private_t *dev_priv ) { - DECLARE_WAITQUEUE(entry, current); - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; - drm_mga_freelist_t *prev; - drm_mga_freelist_t *next; - static int failed = 0; - int return_null = 0; - - if(failed >= 1000 && dev_priv->tail->age >= dev_priv->last_prim_age) { - DRM_DEBUG("Waiting on freelist," - " tail->age = %d, last_prim_age= %d\n", - dev_priv->tail->age, - dev_priv->last_prim_age); - add_wait_queue(&dev_priv->buf_queue, &entry); - set_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - mga_dma_schedule(dev, 0); - if(dev_priv->tail->age < dev_priv->last_prim_age) - break; - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - ++return_null; - break; - } - } - clear_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status); - current->state = TASK_RUNNING; - remove_wait_queue(&dev_priv->buf_queue, &entry); - if (return_null) return NULL; - } + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + u32 head, tail; + DMA_LOCALS; + DRM_DEBUG( "%s:\n", __FUNCTION__ ); - if(dev_priv->tail->age < dev_priv->last_prim_age) { - prev = dev_priv->tail->prev; - next = dev_priv->tail; - prev->next = NULL; - next->prev = next->next = NULL; - dev_priv->tail = prev; - next->age = MGA_BUF_USED; - failed = 0; - return next->buf; + if ( primary->tail == primary->last_flush ) { + DRM_DEBUG( " bailing out...\n" ); + return; } - failed++; - return NULL; -} + tail = primary->tail + dev_priv->primary->offset; -int mga_freelist_put(drm_device_t *dev, drm_buf_t *buf) -{ - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; - drm_mga_buf_priv_t *buf_priv = buf->dev_private; - drm_mga_freelist_t *prev; - drm_mga_freelist_t *head; - drm_mga_freelist_t *next; - - if(buf_priv->my_freelist->age == MGA_BUF_USED) { - /* Discarded buffer, put it on the tail */ - next = buf_priv->my_freelist; - next->age = MGA_BUF_FREE; - prev = dev_priv->tail; - prev->next = next; - next->prev = prev; - next->next = NULL; - dev_priv->tail = next; - } else { - /* Normally aged buffer, put it on the head + 1, - * as the real head is a sentinal element - */ - next = buf_priv->my_freelist; - head = dev_priv->head; - prev = head->next; - head->next = next; - prev->prev = next; - next->prev = head; - next->next = prev; - } + /* We need to pad the stream between flushes, as the card + * actually (partially?) reads the first of these commands. + * See page 4-16 in the G400 manual, middle of the page or so. + */ + BEGIN_DMA( 1 ); - return 0; -} + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); -static int mga_init_primary_bufs(drm_device_t *dev, drm_mga_init_t *init) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_prim_buf_t *prim_buffer; - int i, temp, size_of_buf; - int offset = init->reserved_map_agpstart; - - dev_priv->primary_size = ((init->primary_size + PAGE_SIZE - 1) / - PAGE_SIZE) * PAGE_SIZE; - size_of_buf = dev_priv->primary_size / MGA_NUM_PRIM_BUFS; - dev_priv->warp_ucode_size = init->warp_ucode_size; - dev_priv->prim_bufs = drm_alloc(sizeof(drm_mga_prim_buf_t *) * - (MGA_NUM_PRIM_BUFS + 1), - DRM_MEM_DRIVER); - if(dev_priv->prim_bufs == NULL) { - DRM_ERROR("Unable to allocate memory for prim_buf\n"); - return -ENOMEM; - } - memset(dev_priv->prim_bufs, - 0, sizeof(drm_mga_prim_buf_t *) * (MGA_NUM_PRIM_BUFS + 1)); + ADVANCE_DMA(); - temp = init->warp_ucode_size + dev_priv->primary_size; - temp = ((temp + PAGE_SIZE - 1) / PAGE_SIZE) * PAGE_SIZE; + primary->last_flush = primary->tail; - dev_priv->ioremap = drm_ioremap(dev->agp->base + offset, - temp); - if(dev_priv->ioremap == NULL) { - DRM_ERROR("Ioremap failed\n"); - return -ENOMEM; - } - init_waitqueue_head(&dev_priv->wait_queue); - - for(i = 0; i < MGA_NUM_PRIM_BUFS; i++) { - prim_buffer = drm_alloc(sizeof(drm_mga_prim_buf_t), - DRM_MEM_DRIVER); - if(prim_buffer == NULL) return -ENOMEM; - memset(prim_buffer, 0, sizeof(drm_mga_prim_buf_t)); - prim_buffer->phys_head = offset + dev->agp->base; - prim_buffer->current_dma_ptr = - prim_buffer->head = - (u32 *) (dev_priv->ioremap + - offset - - init->reserved_map_agpstart); - prim_buffer->num_dwords = 0; - prim_buffer->max_dwords = size_of_buf / sizeof(u32); - prim_buffer->max_dwords -= 5; /* Leave room for the softrap */ - prim_buffer->sec_used = 0; - prim_buffer->idx = i; - prim_buffer->prim_age = i + 1; - offset = offset + size_of_buf; - dev_priv->prim_bufs[i] = prim_buffer; - } - dev_priv->current_prim_idx = 0; - dev_priv->next_prim = - dev_priv->last_prim = - dev_priv->current_prim = - dev_priv->prim_bufs[0]; - dev_priv->next_prim_age = 2; - dev_priv->last_prim_age = 1; - set_bit(MGA_BUF_IN_USE, &dev_priv->current_prim->buffer_status); - return 0; -} + head = *primary->head; -void mga_fire_primary(drm_device_t *dev, drm_mga_prim_buf_t *prim) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_device_dma_t *dma = dev->dma; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - int use_agp = PDEA_pagpxfer_enable; - unsigned long end; - int i; - int next_idx; - PRIMLOCALS; - - dev_priv->last_prim = prim; - - /* We never check for overflow, b/c there is always room */ - PRIMPTR(prim); - if(num_dwords <= 0) { - DRM_ERROR("num_dwords == 0 when dispatched\n"); - goto out_prim_wait; - } - PRIMOUTREG( MGAREG_DMAPAD, 0); - PRIMOUTREG( MGAREG_DMAPAD, 0); - PRIMOUTREG( MGAREG_DMAPAD, 0); - PRIMOUTREG( MGAREG_SOFTRAP, 0); - PRIMFINISH(prim); - - end = jiffies + (HZ*3); - if(sarea_priv->dirty & MGA_DMA_FLUSH) { - while((MGA_READ(MGAREG_STATUS) & 0x00030001) != 0x00020000) { - if((signed)(end - jiffies) <= 0) { - DRM_ERROR("irqs: %d wanted %d\n", - atomic_read(&dev->total_irq), - atomic_read(&dma->total_lost)); - DRM_ERROR("lockup (flush)\n"); - goto out_prim_wait; - } - - for (i = 0 ; i < 4096 ; i++) mga_delay(); - } - sarea_priv->dirty &= ~(MGA_DMA_FLUSH); + if ( head <= tail ) { + primary->space = primary->size - primary->tail; } else { - while((MGA_READ(MGAREG_STATUS) & 0x00020001) != 0x00020000) { - if((signed)(end - jiffies) <= 0) { - DRM_ERROR("irqs: %d wanted %d\n", - atomic_read(&dev->total_irq), - atomic_read(&dma->total_lost)); - DRM_ERROR("lockup (wait)\n"); - goto out_prim_wait; - } - - for (i = 0 ; i < 4096 ; i++) mga_delay(); - } + primary->space = head - tail; } - mga_flush_write_combine(); - atomic_inc(&dev_priv->pending_bufs); - MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL); - MGA_WRITE(MGAREG_PRIMEND, (phys_head + num_dwords * 4) | use_agp); - prim->num_dwords = 0; - sarea_priv->last_enqueue = prim->prim_age; - - next_idx = prim->idx + 1; - if(next_idx >= MGA_NUM_PRIM_BUFS) - next_idx = 0; - - dev_priv->next_prim = dev_priv->prim_bufs[next_idx]; - return; - - out_prim_wait: - prim->num_dwords = 0; - prim->sec_used = 0; - clear_bit(MGA_BUF_IN_USE, &prim->buffer_status); - wake_up_interruptible(&dev_priv->wait_queue); - clear_bit(MGA_BUF_SWAP_PENDING, &prim->buffer_status); - clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status); + DRM_DEBUG( " head = 0x%06lx\n", head - dev_priv->primary->offset ); + DRM_DEBUG( " tail = 0x%06lx\n", tail - dev_priv->primary->offset ); + DRM_DEBUG( " space = 0x%06x\n", primary->space ); + + mga_flush_write_combine(); + MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER ); + + DRM_DEBUG( "%s: done.\n", __FUNCTION__ ); } -int mga_advance_primary(drm_device_t *dev) +void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv ) { - DECLARE_WAITQUEUE(entry, current); - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_prim_buf_t *prim_buffer; - drm_device_dma_t *dma = dev->dma; - int next_prim_idx; - int ret = 0; - - /* This needs to reset the primary buffer if available, - * we should collect stats on how many times it bites - * it's tail */ - - next_prim_idx = dev_priv->current_prim_idx + 1; - if(next_prim_idx >= MGA_NUM_PRIM_BUFS) - next_prim_idx = 0; - prim_buffer = dev_priv->prim_bufs[next_prim_idx]; - set_bit(MGA_IN_WAIT, &dev_priv->dispatch_status); - - /* In use is cleared in interrupt handler */ - - if(test_and_set_bit(MGA_BUF_IN_USE, &prim_buffer->buffer_status)) { - add_wait_queue(&dev_priv->wait_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - mga_dma_schedule(dev, 0); - if(!test_and_set_bit(MGA_BUF_IN_USE, - &prim_buffer->buffer_status)) - break; - atomic_inc(&dev->total_sleeps); - atomic_inc(&dma->total_missed_sched); - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev_priv->wait_queue, &entry); - if(ret) return ret; - } - clear_bit(MGA_IN_WAIT, &dev_priv->dispatch_status); - - /* This primary buffer is now free to use */ - prim_buffer->current_dma_ptr = prim_buffer->head; - prim_buffer->num_dwords = 0; - prim_buffer->sec_used = 0; - prim_buffer->prim_age = dev_priv->next_prim_age++; - if(prim_buffer->prim_age == 0 || prim_buffer->prim_age == 0xffffffff) { - mga_flush_queue(dev); - mga_dma_quiescent(dev); - mga_reset_freelist(dev); - prim_buffer->prim_age = (dev_priv->next_prim_age += 2); + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + u32 head, tail; + DMA_LOCALS; + DRM_DEBUG( "%s:\n", __FUNCTION__ ); + + BEGIN_DMA_WRAP(); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DWGSYNC, 0x12345678 ); + + ADVANCE_DMA(); + + tail = primary->tail + dev_priv->primary->offset; + + primary->tail = 0; + primary->last_flush = 0; + primary->last_wrap++; + + head = *primary->head; + + if ( head == dev_priv->primary->offset ) { + primary->space = primary->size; + } else { + primary->space = head - dev_priv->primary->offset; } - /* Reset all buffer status stuff */ - clear_bit(MGA_BUF_NEEDS_OVERFLOW, &prim_buffer->buffer_status); - clear_bit(MGA_BUF_FORCE_FIRE, &prim_buffer->buffer_status); - clear_bit(MGA_BUF_SWAP_PENDING, &prim_buffer->buffer_status); + DRM_DEBUG( " head = 0x%06lx\n", + head - dev_priv->primary->offset ); + DRM_DEBUG( " tail = 0x%06x\n", primary->tail ); + DRM_DEBUG( " wrap = %d\n", primary->last_wrap ); + DRM_DEBUG( " space = 0x%06x\n", primary->space ); + + mga_flush_write_combine(); + MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER ); - dev_priv->current_prim = prim_buffer; - dev_priv->current_prim_idx = next_prim_idx; - return 0; + DRM_DEBUG( "%s: done.\n", __FUNCTION__ ); } -/* More dynamic performance decisions */ -static inline int mga_decide_to_fire(drm_device_t *dev) +void mga_do_dma_wrap_end( drm_mga_private_t *dev_priv ) { - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + u32 head = dev_priv->primary->offset; + DRM_DEBUG( "%s:\n", __FUNCTION__ ); - if(test_bit(MGA_BUF_FORCE_FIRE, &dev_priv->next_prim->buffer_status)) { - return 1; - } + sarea_priv->last_wrap++; + DRM_DEBUG( " wrap = %d\n", sarea_priv->last_wrap ); - if (test_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status) && - dev_priv->next_prim->num_dwords) { - return 1; - } + *primary->head = head; - if (test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) && - dev_priv->next_prim->num_dwords) { - return 1; - } + mga_flush_write_combine(); + MGA_WRITE( MGA_PRIMADDRESS, head | MGA_DMA_GENERAL ); - if(atomic_read(&dev_priv->pending_bufs) <= MGA_NUM_PRIM_BUFS - 1) { - if(test_bit(MGA_BUF_SWAP_PENDING, - &dev_priv->next_prim->buffer_status)) { - return 1; - } - } + DRM_DEBUG( "%s: done.\n", __FUNCTION__ ); +} - if(atomic_read(&dev_priv->pending_bufs) <= MGA_NUM_PRIM_BUFS / 2) { - if(dev_priv->next_prim->sec_used >= MGA_DMA_BUF_NR / 8) { - return 1; - } - } - if(atomic_read(&dev_priv->pending_bufs) >= MGA_NUM_PRIM_BUFS / 2) { - if(dev_priv->next_prim->sec_used >= MGA_DMA_BUF_NR / 4) { - return 1; - } - } +/* ================================================================ + * Freelist management + */ - return 0; +#define MGA_BUFFER_USED ~0 +#define MGA_BUFFER_FREE 0 + +static void mga_freelist_print( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_freelist_t *entry; + + DRM_INFO( "\n" ); + DRM_INFO( "current dispatch: last=0x%x done=0x%x\n", + dev_priv->sarea_priv->last_dispatch, + (unsigned int)(*dev_priv->prim.head - + dev_priv->primary->offset) ); + DRM_INFO( "current freelist:\n" ); + + for ( entry = dev_priv->head->next ; entry ; entry = entry->next ) { + DRM_INFO( " %p idx=%2d age=0x%x 0x%06lx\n", + entry, entry->buf->idx, entry->age.head, + entry->age.head - dev_priv->primary->offset ); + } + DRM_INFO( "\n" ); } -int mga_dma_schedule(drm_device_t *dev, int locked) +static int mga_freelist_init( drm_device_t *dev ) { - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - int retval = 0; - - if (!dev_priv) return -EBUSY; - - if (test_and_set_bit(0, &dev->dma_flag)) { - retval = -EBUSY; - goto sch_out_wakeup; - } + drm_device_dma_t *dma = dev->dma; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + drm_mga_freelist_t *entry; + int i; + DRM_DEBUG( "%s: count=%d\n", + __FUNCTION__, dma->buf_count ); - if(test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) || - test_bit(MGA_IN_WAIT, &dev_priv->dispatch_status) || - test_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status)) { - locked = 1; - } + dev_priv->head = DRM(alloc)( sizeof(drm_mga_freelist_t), + DRM_MEM_DRIVER ); + if ( dev_priv->head == NULL ) + return -ENOMEM; - if (!locked && - !drm_lock_take(&dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT)) { - clear_bit(0, &dev->dma_flag); - retval = -EBUSY; - goto sch_out_wakeup; - } + memset( dev_priv->head, 0, sizeof(drm_mga_freelist_t) ); + SET_AGE( &dev_priv->head->age, MGA_BUFFER_USED, 0 ); - if(!test_and_set_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status)) { - /* Fire dma buffer */ - if(mga_decide_to_fire(dev)) { - clear_bit(MGA_BUF_FORCE_FIRE, - &dev_priv->next_prim->buffer_status); - if(dev_priv->current_prim == dev_priv->next_prim) { - /* Schedule overflow for a later time */ - set_bit(MGA_BUF_NEEDS_OVERFLOW, - &dev_priv->next_prim->buffer_status); - } - mga_fire_primary(dev, dev_priv->next_prim); - } else { - clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status); - } - } + for ( i = 0 ; i < dma->buf_count ; i++ ) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; - if (!locked) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("\n"); - } - } + entry = DRM(alloc)( sizeof(drm_mga_freelist_t), + DRM_MEM_DRIVER ); + if ( entry == NULL ) + return -ENOMEM; - clear_bit(0, &dev->dma_flag); + memset( entry, 0, sizeof(drm_mga_freelist_t) ); -sch_out_wakeup: - if(test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status) && - atomic_read(&dev_priv->pending_bufs) == 0) { - /* Everything has been processed by the hardware */ - clear_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status); - wake_up_interruptible(&dev_priv->flush_queue); - } + entry->next = dev_priv->head->next; + entry->prev = dev_priv->head; + SET_AGE( &entry->age, MGA_BUFFER_FREE, 0 ); + entry->buf = buf; + + if ( dev_priv->head->next != NULL ) + dev_priv->head->next->prev = entry; + if ( entry->next == NULL ) + dev_priv->tail = entry; + + buf_priv->list_entry = entry; + buf_priv->discard = 0; + buf_priv->dispatched = 0; - if(test_bit(MGA_IN_GETBUF, &dev_priv->dispatch_status) - && dev_priv->tail->age < dev_priv->last_prim_age) - wake_up_interruptible(&dev_priv->buf_queue); + dev_priv->head->next = entry; + } - return retval; + return 0; } -static void mga_dma_service(int irq, void *device, struct pt_regs *regs) +static void mga_freelist_cleanup( drm_device_t *dev ) { - drm_device_t *dev = (drm_device_t *)device; - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - drm_mga_prim_buf_t *last_prim_buffer; - - atomic_inc(&dev->total_irq); - if((MGA_READ(MGAREG_STATUS) & 0x00000001) != 0x00000001) return; - MGA_WRITE(MGAREG_ICLEAR, 0x00000001); - last_prim_buffer = dev_priv->last_prim; - last_prim_buffer->num_dwords = 0; - last_prim_buffer->sec_used = 0; - dev_priv->sarea_priv->last_dispatch = - dev_priv->last_prim_age = last_prim_buffer->prim_age; - clear_bit(MGA_BUF_IN_USE, &last_prim_buffer->buffer_status); - clear_bit(MGA_BUF_SWAP_PENDING, &last_prim_buffer->buffer_status); - clear_bit(MGA_IN_DISPATCH, &dev_priv->dispatch_status); - atomic_dec(&dev_priv->pending_bufs); - queue_task(&dev->tq, &tq_immediate); - mark_bh(IMMEDIATE_BH); - wake_up_interruptible(&dev_priv->wait_queue); + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_freelist_t *entry; + drm_mga_freelist_t *next; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + entry = dev_priv->head; + while ( entry ) { + next = entry->next; + DRM(free)( entry, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER ); + entry = next; + } + + dev_priv->head = dev_priv->tail = NULL; } -static void mga_dma_task_queue(void *device) +static void mga_freelist_reset( drm_device_t *dev ) { - mga_dma_schedule((drm_device_t *)device, 0); + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + int i; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + SET_AGE( &buf_priv->list_entry->age, + MGA_BUFFER_FREE, 0 ); + } } -int mga_dma_cleanup(drm_device_t *dev) +static drm_buf_t *mga_freelist_get( drm_device_t *dev ) { - if(dev->dev_private) { - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_freelist_t *next; + drm_mga_freelist_t *prev; + drm_mga_freelist_t *tail = dev_priv->tail; + u32 head, wrap; + DRM_DEBUG( "%s:\n", __FUNCTION__ ); - if (dev->irq) mga_flush_queue(dev); - mga_dma_quiescent(dev); + head = *dev_priv->prim.head; + wrap = dev_priv->sarea_priv->last_wrap; - if(dev_priv->ioremap) { - int temp = (dev_priv->warp_ucode_size + - dev_priv->primary_size + - PAGE_SIZE - 1) / PAGE_SIZE * PAGE_SIZE; + DRM_DEBUG( " tail=0x%06lx %d\n", + tail->age.head ? + tail->age.head - dev_priv->primary->offset : 0, + tail->age.wrap ); + DRM_DEBUG( " head=0x%06lx %d\n", + head - dev_priv->primary->offset, wrap ); - drm_ioremapfree((void *) dev_priv->ioremap, temp); - } - if(dev_priv->status_page != NULL) { - iounmap(dev_priv->status_page); - } - if(dev_priv->real_status_page != 0UL) { - mga_free_page(dev, dev_priv->real_status_page); - } - if(dev_priv->prim_bufs != NULL) { - int i; - for(i = 0; i < MGA_NUM_PRIM_BUFS; i++) { - if(dev_priv->prim_bufs[i] != NULL) { - drm_free(dev_priv->prim_bufs[i], - sizeof(drm_mga_prim_buf_t), - DRM_MEM_DRIVER); - } - } - drm_free(dev_priv->prim_bufs, sizeof(void *) * - (MGA_NUM_PRIM_BUFS + 1), - DRM_MEM_DRIVER); - } - if(dev_priv->head != NULL) { - mga_freelist_cleanup(dev); - } + if ( TEST_AGE( &tail->age, head, wrap ) ) { + prev = dev_priv->tail->prev; + next = dev_priv->tail; + prev->next = NULL; + next->prev = next->next = NULL; + dev_priv->tail = prev; + SET_AGE( &next->age, MGA_BUFFER_USED, 0 ); + return next->buf; + } + DRM_DEBUG( "returning NULL!\n" ); + return NULL; +} - drm_free(dev->dev_private, sizeof(drm_mga_private_t), - DRM_MEM_DRIVER); - dev->dev_private = NULL; +int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_buf_priv_t *buf_priv = buf->dev_private; + drm_mga_freelist_t *head, *next, *prev; + + DRM_DEBUG( "%s: age=0x%06lx wrap=%d\n", + __FUNCTION__, + buf_priv->list_entry->age.head - + dev_priv->primary->offset, + buf_priv->list_entry->age.wrap ); + + /* Put buffer on the head + 1, as the head is a sentinal. + */ + + next = buf_priv->list_entry; + head = dev_priv->head; + prev = head->next; + + if ( buf_priv->list_entry->age.head == MGA_BUFFER_USED ) { + SET_AGE( &next->age, MGA_BUFFER_FREE, 0 ); } + head->next = next; + prev->prev = next; + next->prev = head; + next->next = prev; + return 0; } -static int mga_dma_initialize(drm_device_t *dev, drm_mga_init_t *init) { + +/* ================================================================ + * DMA initialization, cleanup + */ + +static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init ) +{ drm_mga_private_t *dev_priv; - drm_map_t *sarea_map = NULL; + int ret; + DRM_DEBUG( "%s\n", __FUNCTION__ ); - dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER); - if(dev_priv == NULL) return -ENOMEM; - dev->dev_private = (void *) dev_priv; + dev_priv = DRM(alloc)( sizeof(drm_mga_private_t), DRM_MEM_DRIVER ); + if ( !dev_priv ) + return -ENOMEM; + dev->dev_private = (void *)dev_priv; - memset(dev_priv, 0, sizeof(drm_mga_private_t)); + memset( dev_priv, 0, sizeof(drm_mga_private_t) ); - if((init->reserved_map_idx >= dev->map_count) || - (init->buffer_map_idx >= dev->map_count)) { - mga_dma_cleanup(dev); - return -EINVAL; + dev_priv->chipset = init->chipset; + + dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT; + + if ( init->sgram ) { + dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK; + } else { + dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR; } + dev_priv->maccess = init->maccess; - dev_priv->reserved_map_idx = init->reserved_map_idx; - dev_priv->buffer_map_idx = init->buffer_map_idx; - sarea_map = dev->maplist[0]; - dev_priv->sarea_priv = (drm_mga_sarea_t *) - ((u8 *)sarea_map->handle + - init->sarea_priv_offset); + dev_priv->fb_cpp = init->fb_cpp; + dev_priv->front_offset = init->front_offset; + dev_priv->front_pitch = init->front_pitch; + dev_priv->back_offset = init->back_offset; + dev_priv->back_pitch = init->back_pitch; - /* Scale primary size to the next page */ - dev_priv->chipset = init->chipset; - dev_priv->frontOffset = init->frontOffset; - dev_priv->backOffset = init->backOffset; - dev_priv->depthOffset = init->depthOffset; - dev_priv->textureOffset = init->textureOffset; - dev_priv->textureSize = init->textureSize; - dev_priv->cpp = init->cpp; - dev_priv->sgram = init->sgram; - dev_priv->stride = init->stride; - - dev_priv->mAccess = init->mAccess; - init_waitqueue_head(&dev_priv->flush_queue); - init_waitqueue_head(&dev_priv->buf_queue); - dev_priv->WarpPipe = 0xff000000; - dev_priv->vertexsize = 0; - - DRM_DEBUG("chipset=%d ucode_size=%d backOffset=%x depthOffset=%x\n", - dev_priv->chipset, dev_priv->warp_ucode_size, - dev_priv->backOffset, dev_priv->depthOffset); - DRM_DEBUG("cpp: %d sgram: %d stride: %d maccess: %x\n", - dev_priv->cpp, dev_priv->sgram, dev_priv->stride, - dev_priv->mAccess); - - memcpy(&dev_priv->WarpIndex, &init->WarpIndex, - sizeof(drm_mga_warp_index_t) * MGA_MAX_WARP_PIPES); - - if(mga_init_primary_bufs(dev, init) != 0) { - DRM_ERROR("Can not initialize primary buffers\n"); - mga_dma_cleanup(dev); - return -ENOMEM; + dev_priv->depth_cpp = init->depth_cpp; + dev_priv->depth_offset = init->depth_offset; + dev_priv->depth_pitch = init->depth_pitch; + + dev_priv->sarea = dev->maplist[0]; + + DRM_FIND_MAP( dev_priv->fb, init->fb_offset ); + DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset ); + DRM_FIND_MAP( dev_priv->status, init->status_offset ); + + DRM_FIND_MAP( dev_priv->warp, init->warp_offset ); + DRM_FIND_MAP( dev_priv->primary, init->primary_offset ); + DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset ); + + dev_priv->sarea_priv = + (drm_mga_sarea_t *)((u8 *)dev_priv->sarea->handle + + init->sarea_priv_offset); + + DRM_IOREMAP( dev_priv->warp ); + DRM_IOREMAP( dev_priv->primary ); + DRM_IOREMAP( dev_priv->buffers ); + + ret = mga_warp_install_microcode( dev ); + if ( ret < 0 ) { + DRM_ERROR( "failed to install WARP ucode!\n" ); + mga_do_cleanup_dma( dev ); + return ret; } - dev_priv->real_status_page = mga_alloc_page(dev); - if(dev_priv->real_status_page == 0UL) { - mga_dma_cleanup(dev); - DRM_ERROR("Can not allocate status page\n"); - return -ENOMEM; + + ret = mga_warp_init( dev ); + if ( ret < 0 ) { + DRM_ERROR( "failed to init WARP engine!\n" ); + mga_do_cleanup_dma( dev ); + return ret; } - dev_priv->status_page = - ioremap_nocache(virt_to_bus((void *)dev_priv->real_status_page), - PAGE_SIZE); + dev_priv->prim.status = (u32 *)dev_priv->status->handle; - if(dev_priv->status_page == NULL) { - mga_dma_cleanup(dev); - DRM_ERROR("Can not remap status page\n"); - return -ENOMEM; - } + mga_do_wait_for_idle( dev_priv ); - /* Write status page when secend or softrap occurs */ - MGA_WRITE(MGAREG_PRIMPTR, - virt_to_bus((void *)dev_priv->real_status_page) | 0x00000003); + /* Init the primary DMA registers. + */ + MGA_WRITE( MGA_PRIMADDRESS, + dev_priv->primary->offset | MGA_DMA_GENERAL ); + + MGA_WRITE( MGA_PRIMPTR, + virt_to_bus((void *)dev_priv->prim.status) | + MGA_PRIMPTREN0 | /* Soft trap, SECEND, SETUPEND */ + MGA_PRIMPTREN1 ); /* DWGSYNC */ + + dev_priv->prim.start = (u8 *)dev_priv->primary->handle; + dev_priv->prim.end = ((u8 *)dev_priv->primary->handle + + dev_priv->primary->size); + dev_priv->prim.size = dev_priv->primary->size; + + dev_priv->prim.head = &dev_priv->prim.status[0]; + dev_priv->prim.tail = 0; + dev_priv->prim.space = dev_priv->prim.size; + dev_priv->prim.last_flush = 0; + dev_priv->prim.last_wrap = 0; - /* Private is now filled in, initialize the hardware */ - { - PRIMLOCALS; - PRIMGETPTR( dev_priv ); + dev_priv->prim.high_mark = 256 * DMA_BLOCK_SIZE; - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DWGSYNC, 0x0100); - PRIMOUTREG(MGAREG_SOFTRAP, 0); - /* Poll for the first buffer to insure that - * the status register will be correct - */ + spin_lock_init( &dev_priv->prim.list_lock ); - mga_flush_write_combine(); - MGA_WRITE(MGAREG_PRIMADDRESS, phys_head | TT_GENERAL); + dev_priv->prim.status[0] = dev_priv->primary->offset; + dev_priv->prim.status[1] = 0; - MGA_WRITE(MGAREG_PRIMEND, ((phys_head + num_dwords * 4) | - PDEA_pagpxfer_enable)); + dev_priv->sarea_priv->last_wrap = 0; + dev_priv->sarea_priv->last_frame.head = 0; + dev_priv->sarea_priv->last_frame.wrap = 0; - while(MGA_READ(MGAREG_DWGSYNC) != 0x0100) ; + if ( mga_freelist_init( dev ) < 0 ) { + DRM_ERROR( "could not initialize freelist\n" ); + mga_do_cleanup_dma( dev ); + return -ENOMEM; } - if(mga_freelist_init(dev) != 0) { - DRM_ERROR("Could not initialize freelist\n"); - mga_dma_cleanup(dev); - return -ENOMEM; + return 0; +} + +int mga_do_cleanup_dma( drm_device_t *dev ) +{ + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + if ( dev->dev_private ) { + drm_mga_private_t *dev_priv = dev->dev_private; + + DRM_IOREMAPFREE( dev_priv->warp ); + DRM_IOREMAPFREE( dev_priv->primary ); + DRM_IOREMAPFREE( dev_priv->buffers ); + + if ( dev_priv->head != NULL ) { + mga_freelist_cleanup( dev ); + } + + DRM(free)( dev->dev_private, sizeof(drm_mga_private_t), + DRM_MEM_DRIVER ); + dev->dev_private = NULL; } + return 0; } -int mga_dma_init(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int mga_dma_init( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; drm_mga_init_t init; - if (copy_from_user(&init, (drm_mga_init_t *)arg, sizeof(init))) + if ( copy_from_user( &init, (drm_mga_init_t *)arg, sizeof(init) ) ) return -EFAULT; - switch(init.func) { + switch ( init.func ) { case MGA_INIT_DMA: - return mga_dma_initialize(dev, &init); + return mga_do_init_dma( dev, &init ); case MGA_CLEANUP_DMA: - return mga_dma_cleanup(dev); + return mga_do_cleanup_dma( dev ); } return -EINVAL; } -int mga_irq_install(drm_device_t *dev, int irq) -{ - int retcode; - - if (!irq) return -EINVAL; - down(&dev->struct_sem); - if (dev->irq) { - up(&dev->struct_sem); - return -EBUSY; - } - dev->irq = irq; - up(&dev->struct_sem); - - DRM_DEBUG("install irq handler %d\n", irq); - - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->dma->next_buffer = NULL; - dev->dma->next_queue = NULL; - dev->dma->this_buffer = NULL; - INIT_LIST_HEAD(&dev->tq.list); - dev->tq.sync = 0; - dev->tq.routine = mga_dma_task_queue; - dev->tq.data = dev; - - /* Before installing handler */ - MGA_WRITE(MGAREG_IEN, 0); - /* Install handler */ - if ((retcode = request_irq(dev->irq, - mga_dma_service, - SA_SHIRQ, - dev->devname, - dev))) { - down(&dev->struct_sem); - dev->irq = 0; - up(&dev->struct_sem); - return retcode; - } - /* After installing handler */ - MGA_WRITE(MGAREG_ICLEAR, 0x00000001); - MGA_WRITE(MGAREG_IEN, 0x00000001); - return 0; -} +/* ================================================================ + * Primary DMA stream management + */ -int mga_irq_uninstall(drm_device_t *dev) +int mga_dma_flush( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { - int irq; - - down(&dev->struct_sem); - irq = dev->irq; - dev->irq = 0; - up(&dev->struct_sem); - - if (!irq) return -EINVAL; - DRM_DEBUG("remove irq handler %d\n", irq); - MGA_WRITE(MGAREG_ICLEAR, 0x00000001); - MGA_WRITE(MGAREG_IEN, 0); - free_irq(irq, dev); - return 0; -} + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_lock_t lock; -int mga_control(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_control_t ctl; + LOCK_TEST_WITH_RETURN( dev ); - if (copy_from_user(&ctl, (drm_control_t *)arg, sizeof(ctl))) + if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) ) return -EFAULT; - switch (ctl.func) { - case DRM_INST_HANDLER: - return mga_irq_install(dev, ctl.irq); - case DRM_UNINST_HANDLER: - return mga_irq_uninstall(dev); - default: - return -EINVAL; + DRM_DEBUG( "%s: %s%s%s\n", + __FUNCTION__, + (lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "", + (lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "", + (lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "" ); + + WRAP_TEST_WITH_RETURN( dev_priv ); + + if ( lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL) ) { + mga_do_dma_flush( dev_priv ); } -} -static int mga_flush_queue(drm_device_t *dev) -{ - DECLARE_WAITQUEUE(entry, current); - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; - int ret = 0; - - if(!dev_priv) return 0; - - if(dev_priv->next_prim->num_dwords != 0) { - add_wait_queue(&dev_priv->flush_queue, &entry); - if (test_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status)) - DRM_ERROR("Incorrect mga_flush_queue logic\n"); - set_bit(MGA_IN_FLUSH, &dev_priv->dispatch_status); - mga_dma_schedule(dev, 0); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!test_bit(MGA_IN_FLUSH, - &dev_priv->dispatch_status)) - break; - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - ret = -EINTR; /* Can't restart */ - clear_bit(MGA_IN_FLUSH, - &dev_priv->dispatch_status); - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev_priv->flush_queue, &entry); + if ( lock.flags & _DRM_LOCK_QUIESCENT ) { + return mga_do_wait_for_idle( dev_priv ); + } else { + return 0; } - return ret; } -/* Must be called with the lock held */ -void mga_reclaim_buffers(drm_device_t *dev, pid_t pid) +int mga_dma_reset( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { - drm_device_dma_t *dma = dev->dma; - int i; - - if (!dma) return; - if(dev->dev_private == NULL) return; - if(dma->buflist == NULL) return; - - DRM_DEBUG("buf_count=%d\n", dma->buf_count); - - mga_flush_queue(dev); - - for (i = 0; i < dma->buf_count; i++) { - drm_buf_t *buf = dma->buflist[ i ]; - drm_mga_buf_priv_t *buf_priv = buf->dev_private; - - /* Only buffers that need to get reclaimed ever - * get set to free - */ - if (buf->pid == pid && buf_priv) { - if(buf_priv->my_freelist->age == MGA_BUF_USED) - buf_priv->my_freelist->age = MGA_BUF_FREE; - } - } + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + + LOCK_TEST_WITH_RETURN( dev ); + + return mga_do_dma_reset( dev_priv ); } -int mga_lock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - DECLARE_WAITQUEUE(entry, current); - int ret = 0; - drm_lock_t lock; - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; +/* ================================================================ + * DMA buffer management + */ - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } +static int mga_dma_get_buffers( drm_device_t *dev, drm_dma_t *d ) +{ + drm_buf_t *buf; + int i; - if (lock.context < 0) return -EINVAL; + for ( i = d->granted_count ; i < d->request_count ; i++ ) { + buf = mga_freelist_get( dev ); + if ( !buf ) return -EAGAIN; - /* Only one queue: - */ + buf->pid = current->pid; - if (!ret) { - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - ret = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - lock.context)) { - dev->lock.pid = current->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - } + if ( copy_to_user( &d->request_indices[i], + &buf->idx, sizeof(buf->idx) ) ) + return -EFAULT; + if ( copy_to_user( &d->request_sizes[i], + &buf->total, sizeof(buf->total) ) ) + return -EFAULT; - if (!ret) { - sigemptyset(&dev->sigmask); - sigaddset(&dev->sigmask, SIGSTOP); - sigaddset(&dev->sigmask, SIGTSTP); - sigaddset(&dev->sigmask, SIGTTIN); - sigaddset(&dev->sigmask, SIGTTOU); - dev->sigdata.context = lock.context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); - - if (lock.flags & _DRM_LOCK_QUIESCENT) { - DRM_DEBUG("_DRM_LOCK_QUIESCENT\n"); - mga_flush_queue(dev); - mga_dma_quiescent(dev); - } + d->granted_count++; } - - if (ret) DRM_DEBUG("%d %s\n", lock.context, - ret ? "interrupted" : "has lock"); - return ret; + return 0; } -int mga_flush_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int mga_dma_buffers( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + drm_dma_t d; + int ret = 0; + + LOCK_TEST_WITH_RETURN( dev ); - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) + if ( copy_from_user( &d, (drm_dma_t *)arg, sizeof(d) ) ) return -EFAULT; - if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("lock not held\n"); + /* Please don't send us buffers. + */ + if ( d.send_count != 0 ) { + DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n", + current->pid, d.send_count ); return -EINVAL; } - if(lock.flags & _DRM_LOCK_FLUSH || lock.flags & _DRM_LOCK_FLUSH_ALL) { - drm_mga_prim_buf_t *temp_buf; + /* We'll send you buffers. + */ + if ( d.request_count < 0 || d.request_count > dma->buf_count ) { + DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n", + current->pid, d.request_count, dma->buf_count ); + return -EINVAL; + } - temp_buf = dev_priv->current_prim; + d.granted_count = 0; - if(temp_buf && temp_buf->num_dwords) { - set_bit(MGA_BUF_FORCE_FIRE, &temp_buf->buffer_status); - mga_advance_primary(dev); - } - mga_dma_schedule(dev, 1); - } - if(lock.flags & _DRM_LOCK_QUIESCENT) { - mga_flush_queue(dev); - mga_dma_quiescent(dev); + if ( d.request_count ) { + ret = mga_dma_get_buffers( dev, &d ); } - return 0; + if ( copy_to_user( (drm_dma_t *)arg, &d, sizeof(d) ) ) + return -EFAULT; + + return ret; } diff --git a/linux/mga_drm.h b/linux/mga_drm.h index 53813393..c2fe4a18 100644 --- a/linux/mga_drm.h +++ b/linux/mga_drm.h @@ -11,197 +11,178 @@ * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * - * Authors: Jeff Hartmann <jhartmann@valinux.com> - * Keith Whitwell <keithw@valinux.com> + * Authors: + * Jeff Hartmann <jhartmann@valinux.com> + * Keith Whitwell <keithw@valinux.com> * + * Rewritten by: + * Gareth Hughes <gareth@valinux.com> */ -#ifndef _MGA_DRM_H_ -#define _MGA_DRM_H_ +#ifndef __MGA_DRM_H__ +#define __MGA_DRM_H__ /* WARNING: If you change any of these defines, make sure to change the - * defines in the Xserver file (xf86drmMga.h) - */ -#ifndef _MGA_DEFINES_ -#define _MGA_DEFINES_ - -#define MGA_F 0x1 /* fog */ -#define MGA_A 0x2 /* alpha */ -#define MGA_S 0x4 /* specular */ -#define MGA_T2 0x8 /* multitexture */ - -#define MGA_WARP_TGZ 0 -#define MGA_WARP_TGZF (MGA_F) -#define MGA_WARP_TGZA (MGA_A) -#define MGA_WARP_TGZAF (MGA_F|MGA_A) -#define MGA_WARP_TGZS (MGA_S) -#define MGA_WARP_TGZSF (MGA_S|MGA_F) -#define MGA_WARP_TGZSA (MGA_S|MGA_A) -#define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A) -#define MGA_WARP_T2GZ (MGA_T2) -#define MGA_WARP_T2GZF (MGA_T2|MGA_F) -#define MGA_WARP_T2GZA (MGA_T2|MGA_A) -#define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F) -#define MGA_WARP_T2GZS (MGA_T2|MGA_S) -#define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F) -#define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A) -#define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A) - -#define MGA_MAX_G400_PIPES 16 -#define MGA_MAX_G200_PIPES 8 /* no multitex */ -#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES - -#define MGA_CARD_TYPE_G200 1 -#define MGA_CARD_TYPE_G400 2 - -#define MGA_FRONT 0x1 -#define MGA_BACK 0x2 -#define MGA_DEPTH 0x4 - -/* 3d state excluding texture units: - */ -#define MGA_CTXREG_DSTORG 0 /* validated */ -#define MGA_CTXREG_MACCESS 1 -#define MGA_CTXREG_PLNWT 2 -#define MGA_CTXREG_DWGCTL 3 -#define MGA_CTXREG_ALPHACTRL 4 -#define MGA_CTXREG_FOGCOLOR 5 -#define MGA_CTXREG_WFLAG 6 -#define MGA_CTXREG_TDUAL0 7 -#define MGA_CTXREG_TDUAL1 8 -#define MGA_CTXREG_FCOL 9 -#define MGA_CTXREG_STENCIL 10 -#define MGA_CTXREG_STENCILCTL 11 -#define MGA_CTX_SETUP_SIZE 12 - -/* 2d state + * defines in the Xserver file (mga_sarea.h) */ -#define MGA_2DREG_PITCH 0 -#define MGA_2D_SETUP_SIZE 1 +#ifndef __MGA_SAREA_DEFINES__ +#define __MGA_SAREA_DEFINES__ -/* Each texture unit has a state: +/* WARP pipe flags */ -#define MGA_TEXREG_CTL 0 -#define MGA_TEXREG_CTL2 1 -#define MGA_TEXREG_FILTER 2 -#define MGA_TEXREG_BORDERCOL 3 -#define MGA_TEXREG_ORG 4 /* validated */ -#define MGA_TEXREG_ORG1 5 -#define MGA_TEXREG_ORG2 6 -#define MGA_TEXREG_ORG3 7 -#define MGA_TEXREG_ORG4 8 -#define MGA_TEXREG_WIDTH 9 -#define MGA_TEXREG_HEIGHT 10 -#define MGA_TEX_SETUP_SIZE 11 +#define MGA_F 0x1 /* fog */ +#define MGA_A 0x2 /* alpha */ +#define MGA_S 0x4 /* specular */ +#define MGA_T2 0x8 /* multitexture */ + +#define MGA_WARP_TGZ 0 +#define MGA_WARP_TGZF (MGA_F) +#define MGA_WARP_TGZA (MGA_A) +#define MGA_WARP_TGZAF (MGA_F|MGA_A) +#define MGA_WARP_TGZS (MGA_S) +#define MGA_WARP_TGZSF (MGA_S|MGA_F) +#define MGA_WARP_TGZSA (MGA_S|MGA_A) +#define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A) +#define MGA_WARP_T2GZ (MGA_T2) +#define MGA_WARP_T2GZF (MGA_T2|MGA_F) +#define MGA_WARP_T2GZA (MGA_T2|MGA_A) +#define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F) +#define MGA_WARP_T2GZS (MGA_T2|MGA_S) +#define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F) +#define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A) +#define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A) + +#define MGA_MAX_G200_PIPES 8 /* no multitex */ +#define MGA_MAX_G400_PIPES 16 +#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES +#define MGA_WARP_UCODE_SIZE 32768 /* in bytes */ + +#define MGA_CARD_TYPE_G200 1 +#define MGA_CARD_TYPE_G400 2 + + +#define MGA_FRONT 0x1 +#define MGA_BACK 0x2 +#define MGA_DEPTH 0x4 /* What needs to be changed for the current vertex dma buffer? */ -#define MGA_UPLOAD_CTX 0x1 -#define MGA_UPLOAD_TEX0 0x2 -#define MGA_UPLOAD_TEX1 0x4 -#define MGA_UPLOAD_PIPE 0x8 -#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */ -#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */ -#define MGA_UPLOAD_2D 0x40 -#define MGA_WAIT_AGE 0x80 /* handled client-side */ -#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */ -#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock - quiescent */ +#define MGA_UPLOAD_CONTEXT 0x1 +#define MGA_UPLOAD_TEX0 0x2 +#define MGA_UPLOAD_TEX1 0x4 +#define MGA_UPLOAD_PIPE 0x8 +#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */ +#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */ +#define MGA_UPLOAD_2D 0x40 +#define MGA_WAIT_AGE 0x80 /* handled client-side */ +#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */ +#if 0 +#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock + quiescent */ +#endif /* 32 buffers of 64k each, total 2 meg. */ -#define MGA_DMA_BUF_ORDER 16 -#define MGA_DMA_BUF_SZ (1<<MGA_DMA_BUF_ORDER) -#define MGA_DMA_BUF_NR 31 +#define MGA_BUFFER_SIZE (1 << 16) +#define MGA_NUM_BUFFERS 32 /* Keep these small for testing. */ -#define MGA_NR_SAREA_CLIPRECTS 8 +#define MGA_NR_SAREA_CLIPRECTS 8 /* 2 heaps (1 for card, 1 for agp), each divided into upto 128 - * regions, subject to a minimum region size of (1<<16) == 64k. + * regions, subject to a minimum region size of (1<<16) == 64k. * * Clients may subdivide regions internally, but when sharing between - * clients, the region size is the minimum granularity. + * clients, the region size is the minimum granularity. */ -#define MGA_CARD_HEAP 0 -#define MGA_AGP_HEAP 1 -#define MGA_NR_TEX_HEAPS 2 -#define MGA_NR_TEX_REGIONS 16 -#define MGA_LOG_MIN_TEX_REGION_SIZE 16 -#endif +#define MGA_CARD_HEAP 0 +#define MGA_AGP_HEAP 1 +#define MGA_NR_TEX_HEAPS 2 +#define MGA_NR_TEX_REGIONS 16 +#define MGA_LOG_MIN_TEX_REGION_SIZE 16 -typedef struct _drm_mga_warp_index { - int installed; - unsigned long phys_addr; - int size; -} drm_mga_warp_index_t; +#endif /* __MGA_SAREA_DEFINES__ */ -typedef struct drm_mga_init { - enum { - MGA_INIT_DMA = 0x01, - MGA_CLEANUP_DMA = 0x02 - } func; - int reserved_map_agpstart; - int reserved_map_idx; - int buffer_map_idx; - int sarea_priv_offset; - int primary_size; - int warp_ucode_size; - unsigned int frontOffset; - unsigned int backOffset; - unsigned int depthOffset; - unsigned int textureOffset; - unsigned int textureSize; - unsigned int agpTextureOffset; - unsigned int agpTextureSize; - unsigned int cpp; - unsigned int stride; - int sgram; - int chipset; - drm_mga_warp_index_t WarpIndex[MGA_MAX_WARP_PIPES]; - unsigned int mAccess; -} drm_mga_init_t; -/* Warning: if you change the sarea structure, you must change the Xserver - * structures as well */ +/* Setup registers for 3D context + */ +typedef struct { + unsigned int dstorg; + unsigned int maccess; + unsigned int plnwt; + unsigned int dwgctl; + unsigned int alphactrl; + unsigned int fogcolor; + unsigned int wflag; + unsigned int tdualstage0; + unsigned int tdualstage1; + unsigned int fcol; + unsigned int stencil; + unsigned int stencilctl; +} drm_mga_context_regs_t; + +/* Setup registers for 2D, X server + */ +typedef struct { + unsigned int pitch; +} drm_mga_server_regs_t; -typedef struct _drm_mga_tex_region { - unsigned char next, prev; - unsigned char in_use; - unsigned int age; -} drm_mga_tex_region_t; +/* Setup registers for each texture unit + */ +typedef struct { + unsigned int texctl; + unsigned int texctl2; + unsigned int texfilter; + unsigned int texbordercol; + unsigned int texorg; + unsigned int texwidth; + unsigned int texheight; + unsigned int texorg1; + unsigned int texorg2; + unsigned int texorg3; + unsigned int texorg4; +} drm_mga_texture_regs_t; + +/* General aging mechanism + */ +typedef struct { + unsigned int head; /* Position of head pointer */ + unsigned int wrap; /* Primary DMA wrap count */ +} drm_mga_age_t; typedef struct _drm_mga_sarea { /* The channel for communication of state information to the kernel * on firing a vertex dma buffer. */ - unsigned int ContextState[MGA_CTX_SETUP_SIZE]; - unsigned int ServerState[MGA_2D_SETUP_SIZE]; - unsigned int TexState[2][MGA_TEX_SETUP_SIZE]; - unsigned int WarpPipe; + drm_mga_context_regs_t context_state; + drm_mga_server_regs_t server_state; + drm_mga_texture_regs_t tex_state[2]; + unsigned int warp_pipe; unsigned int dirty; + unsigned int vertsize; - unsigned int nbox; + /* The current cliprects, or a subset thereof. + */ drm_clip_rect_t boxes[MGA_NR_SAREA_CLIPRECTS]; - + unsigned int nbox; /* Information about the most recently used 3d drawable. The - * client fills in the req_* fields, the server fills in the + * client fills in the req_* fields, the server fills in the * exported_ fields and puts the cliprects into boxes, above. * * The client clears the exported_drawable field before @@ -210,75 +191,119 @@ typedef struct _drm_mga_sarea { unsigned int req_drawable; /* the X drawable id */ unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */ - unsigned int exported_drawable; - unsigned int exported_index; - unsigned int exported_stamp; - unsigned int exported_buffers; + unsigned int exported_drawable; + unsigned int exported_index; + unsigned int exported_stamp; + unsigned int exported_buffers; unsigned int exported_nfront; unsigned int exported_nback; - int exported_back_x, exported_front_x, exported_w; + int exported_back_x, exported_front_x, exported_w; int exported_back_y, exported_front_y, exported_h; drm_clip_rect_t exported_boxes[MGA_NR_SAREA_CLIPRECTS]; - + /* Counters for aging textures and for client-side throttling. */ + unsigned int status[4]; + unsigned int last_wrap; + + drm_mga_age_t last_frame; unsigned int last_enqueue; /* last time a buffer was enqueued */ unsigned int last_dispatch; /* age of the most recently dispatched buffer */ unsigned int last_quiescent; /* */ - - /* LRU lists for texture memory in agp space and on the card + /* LRU lists for texture memory in agp space and on the card. */ - drm_mga_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1]; + drm_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1]; unsigned int texAge[MGA_NR_TEX_HEAPS]; - + /* Mechanism to validate card state. */ int ctxOwner; - int vertexsize; -} drm_mga_sarea_t; +} drm_mga_sarea_t; -/* Device specific ioctls: + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (xf86drmMga.h) */ -typedef struct _drm_mga_clear { +typedef struct _drm_mga_warp_index { + int installed; + unsigned long phys_addr; + int size; +} drm_mga_warp_index_t; + +typedef struct drm_mga_init { + enum { + MGA_INIT_DMA = 0x01, + MGA_CLEANUP_DMA = 0x02 + } func; + + int sarea_priv_offset; + + int chipset; + int sgram; + + unsigned int maccess; + + unsigned int fb_cpp; + unsigned int front_offset, front_pitch; + unsigned int back_offset, back_pitch; + + unsigned int depth_cpp; + unsigned int depth_offset, depth_pitch; + + unsigned int texture_offset[MGA_NR_TEX_HEAPS]; + unsigned int texture_size[MGA_NR_TEX_HEAPS]; + + unsigned int fb_offset; + unsigned int mmio_offset; + unsigned int status_offset; + unsigned int warp_offset; + unsigned int primary_offset; + unsigned int buffers_offset; +} drm_mga_init_t; + +typedef struct drm_mga_fullscreen { + enum { + MGA_INIT_FULLSCREEN = 0x01, + MGA_CLEANUP_FULLSCREEN = 0x02 + } func; +} drm_mga_fullscreen_t; + +typedef struct drm_mga_clear { + unsigned int flags; unsigned int clear_color; unsigned int clear_depth; - unsigned int flags; - unsigned int clear_depth_mask; - unsigned int clear_color_mask; + unsigned int color_mask; + unsigned int depth_mask; } drm_mga_clear_t; -typedef struct _drm_mga_swap { - int dummy; -} drm_mga_swap_t; - -typedef struct _drm_mga_iload { - int idx; - int length; - unsigned int destOrg; -} drm_mga_iload_t; - -typedef struct _drm_mga_vertex { - int idx; /* buffer to queue */ - int used; /* bytes in use */ - int discard; /* client finished with buffer? */ +typedef struct drm_mga_vertex { + int idx; /* buffer to queue */ + int used; /* bytes in use */ + int discard; /* client finished with buffer? */ } drm_mga_vertex_t; -typedef struct _drm_mga_indices { - int idx; /* buffer to queue */ - unsigned int start; - unsigned int end; - int discard; /* client finished with buffer? */ +typedef struct drm_mga_indices { + int idx; /* buffer to queue */ + unsigned int start; + unsigned int end; + int discard; /* client finished with buffer? */ } drm_mga_indices_t; -typedef struct _drm_mga_blit { +typedef struct drm_mga_iload { + int idx; + unsigned int dstorg; + unsigned int length; +} drm_mga_iload_t; + +typedef struct drm_mga_blit { unsigned int planemask; - unsigned int source; - unsigned int dest; + unsigned int srcorg; + unsigned int dstorg; + int src_pitch, dst_pitch; int delta_sx, delta_sy; int delta_dx, delta_dy; int height, ydir; /* flip image vertically */ - int source_pitch, dest_pitch; } drm_mga_blit_t; #endif diff --git a/linux/mga_drv.c b/linux/mga_drv.c index d1c39e99..88fa53a6 100644 --- a/linux/mga_drv.c +++ b/linux/mga_drv.c @@ -1,4 +1,4 @@ -/* mga_drv.c -- Matrox g200/g400 driver -*- linux-c -*- +/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -19,648 +19,62 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> - * + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "mga.h" #include "drmP.h" #include "mga_drv.h" -#define MGA_NAME "mga" -#define MGA_DESC "Matrox G200/G400" -#define MGA_DATE "20000928" -#define MGA_MAJOR 2 -#define MGA_MINOR 1 -#define MGA_PATCHLEVEL 1 - -static drm_device_t mga_device; -drm_ctx_t mga_res_ctx; - -static struct file_operations mga_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: mga_open, - flush: drm_flush, - release: mga_release, - ioctl: mga_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice mga_misc = { - minor: MISC_DYNAMIC_MINOR, - name: MGA_NAME, - fops: &mga_fops, -}; - -static drm_ioctl_desc_t mga_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { mga_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { mga_control, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { mga_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { mga_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { mga_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { mga_mapbufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { mga_freebufs, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { mga_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { mga_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { mga_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { mga_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { mga_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { mga_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { mga_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { mga_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { mga_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)] = { mga_dma_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_swap_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_clear_bufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_iload, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)] = { mga_flush_ioctl, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_indices, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MGA_BLIT)] = { mga_blit, 1, 0 }, -}; - -#define MGA_IOCTL_COUNT DRM_ARRAY_SIZE(mga_ioctls) - -#ifdef MODULE -static char *mga = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("Matrox G200/G400"); -MODULE_PARM(mga, "s"); - -#ifndef MODULE -/* mga_options is called by the kernel to parse command-line options passed - * via the boot-loader (e.g., LILO). It calls the insmod option routine, - * drm_parse_drm. - */ - -static int __init mga_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("mga=", mga_options); -#endif - -static int mga_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - drm_dma_setup(dev); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); - - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - DRM_DEBUG("\n"); - - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ - - return 0; -} - - -static int mga_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - if (dev->dev_private) mga_dma_cleanup(dev); - if (dev->irq) mga_irq_uninstall(dev); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; - if (entry->bound) drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) _drm_agp_release(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } -#endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - - if (dev->queuelist) { - for (i = 0; i < dev->queue_count; i++) { - drm_waitlist_destroy(&dev->queuelist[i]->waitlist); - if (dev->queuelist[i]) { - drm_free(dev->queuelist[i], - sizeof(*dev->queuelist[0]), - DRM_MEM_QUEUES); - dev->queuelist[i] = NULL; - } - } - drm_free(dev->queuelist, - dev->queue_slots * sizeof(*dev->queuelist), - DRM_MEM_QUEUES); - dev->queuelist = NULL; - } - - drm_dma_takedown(dev); - - dev->queue_count = 0; - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* mga_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init mga_init(void) -{ - int retcode; - drm_device_t *dev = &mga_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(mga); -#endif - if ((retcode = misc_register(&mga_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", MGA_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, mga_misc.minor); - dev->name = MGA_NAME; - - drm_mem_init(); - drm_proc_init(dev); - dev->agp = drm_agp_init(); - if(dev->agp == NULL) { - DRM_INFO("The mga drm module requires the agpgart module" - " to function correctly\nPlease load the agpgart" - " module before you load the mga module\n"); - drm_proc_cleanup(); - misc_deregister(&mga_misc); - mga_takedown(dev); - return -ENOMEM; - } -#ifdef CONFIG_MTRR - dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size * 1024 * 1024, - MTRR_TYPE_WRCOMB, - 1); -#endif - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&mga_misc); - mga_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - MGA_NAME, - MGA_MAJOR, - MGA_MINOR, - MGA_PATCHLEVEL, - MGA_DATE, - mga_misc.minor); - - return 0; -} - -/* mga_cleanup is called via cleanup_module at module unload time. */ - -static void __exit mga_cleanup(void) -{ - drm_device_t *dev = &mga_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&mga_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); -#ifdef CONFIG_MTRR - if(dev->agp && dev->agp->agp_mtrr) { - int retval; - retval = mtrr_del(dev->agp->agp_mtrr, - dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size * 1024*1024); - DRM_DEBUG("mtrr_del = %d\n", retval); - } -#endif - - mga_takedown(dev); - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -} - -module_init(mga_init); -module_exit(mga_cleanup); - - -int mga_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } - - version.version_major = MGA_MAJOR; - version.version_minor = MGA_MINOR; - version.version_patchlevel = MGA_PATCHLEVEL; - - DRM_COPY(version.name, MGA_NAME); - DRM_COPY(version.date, MGA_DATE); - DRM_COPY(version.desc, MGA_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int mga_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &mga_device; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return mga_setup(dev); - } - spin_unlock(&dev->count_lock); - } - return retcode; -} - -int mga_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - DRM_DEBUG("pid = %d, device = 0x%x, open_count = %d\n", - current->pid, dev->device, dev->open_count); - - if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) - && dev->lock.pid == current->pid) { - mga_reclaim_buffers(dev, priv->pid); - DRM_INFO("Process %d dead (ctx %d, d_s = 0x%02lx)\n", - current->pid, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock), - dev->dev_private ? - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status - : 0); - - if (dev->dev_private) - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status &= MGA_IN_DISPATCH; - - drm_lock_free(dev, - &dev->lock.hw_lock->lock, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - } else if (dev->lock.hw_lock) { - /* The lock is required to reclaim buffers */ - DECLARE_WAITQUEUE(entry, current); - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - retcode = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - dev->lock.pid = priv->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - retcode = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - if(!retcode) { - mga_reclaim_buffers(dev, priv->pid); - if (dev->dev_private) - ((drm_mga_private_t *)dev->dev_private) - ->dispatch_status &= MGA_IN_DISPATCH; - drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT); - } - } - drm_fasync(-1, filp, 0); - - down(&dev->struct_sem); - if (priv->remove_auth_on_close == 1) { - drm_file_t *temp = dev->file_first; - while(temp) { - temp->authenticated = 0; - temp = temp->next; - } - } - if (priv->prev) priv->prev->next = priv->next; - else dev->file_first = priv->next; - if (priv->next) priv->next->prev = priv->prev; - else dev->file_last = priv->prev; - up(&dev->struct_sem); - - drm_free(priv, sizeof(*priv), DRM_MEM_FILES); -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return mga_takedown(dev); - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return retcode; -} - - -/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int mga_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - if (nr >= MGA_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &mga_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function: pid = %d, cmd = 0x%02x," - " nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, - priv->authenticated); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int mga_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - mga_dma_schedule(dev, 1); - - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) DRM_ERROR("\n"); - - unblock_all_signals(); - return 0; -} +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "mga" +#define DRIVER_DESC "Matrox G200/G400" +#define DRIVER_DATE "20010216" + +#define DRIVER_MAJOR 3 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma_buffers, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_INIT)] = { mga_dma_init, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_FLUSH)] = { mga_dma_flush, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_RESET)] = { mga_dma_reset, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_SWAP)] = { mga_dma_swap, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_CLEAR)] = { mga_dma_clear, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_VERTEX)] = { mga_dma_vertex, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_INDICES)] = { mga_dma_indices, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_ILOAD)] = { mga_dma_iload, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_MGA_BLIT)] = { mga_dma_blit, 1, 0 }, + + +#define __HAVE_COUNTERS 3 +#define __HAVE_COUNTER6 _DRM_STAT_IRQ +#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY +#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY + + +#include "drm_agpsupport.h" +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux/mga_drv.h b/linux/mga_drv.h index d7bf6326..f56186e1 100644 --- a/linux/mga_drv.h +++ b/linux/mga_drv.h @@ -1,4 +1,4 @@ -/* mga_drv.h -- Private header for the Matrox g200/g400 driver -*- linux-c -*- +/* mga_drv.h -- Private header for the Matrox G200/G400 driver -*- linux-c -*- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -19,182 +19,141 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Rickard E. (Rik) Faith <faith@valinux.com> - * Jeff Hartmann <jhartmann@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Gareth Hughes <gareth@valinux.com> */ -#ifndef _MGA_DRV_H_ -#define _MGA_DRV_H_ +#ifndef __MGA_DRV_H__ +#define __MGA_DRV_H__ -#define MGA_BUF_IN_USE 0 -#define MGA_BUF_SWAP_PENDING 1 -#define MGA_BUF_FORCE_FIRE 2 -#define MGA_BUF_NEEDS_OVERFLOW 3 +typedef struct drm_mga_primary_buffer { + u8 *start; + u8 *end; + int size; -typedef struct { - long buffer_status; /* long req'd for set_bit() --RR */ - int num_dwords; - int max_dwords; - u32 *current_dma_ptr; - u32 *head; - u32 phys_head; - unsigned int prim_age; - int sec_used; - int idx; -} drm_mga_prim_buf_t; - -typedef struct _drm_mga_freelist { - __volatile__ unsigned int age; + volatile u32 *head; + u32 tail; + int space; + + volatile u32 *status; + + u32 last_flush; + u32 last_wrap; + + u32 high_mark; + + spinlock_t list_lock; +} drm_mga_primary_buffer_t; + +typedef struct drm_mga_freelist { + struct drm_mga_freelist *next; + struct drm_mga_freelist *prev; + drm_mga_age_t age; drm_buf_t *buf; - struct _drm_mga_freelist *next; - struct _drm_mga_freelist *prev; } drm_mga_freelist_t; -#define MGA_IN_DISPATCH 0 -#define MGA_IN_FLUSH 1 -#define MGA_IN_WAIT 2 -#define MGA_IN_GETBUF 3 - -typedef struct _drm_mga_private { - long dispatch_status; /* long req'd for set_bit() --RR */ - unsigned int next_prim_age; - __volatile__ unsigned int last_prim_age; - int reserved_map_idx; - int buffer_map_idx; - drm_mga_sarea_t *sarea_priv; - int primary_size; - int warp_ucode_size; - int chipset; - unsigned int frontOffset; - unsigned int backOffset; - unsigned int depthOffset; - unsigned int textureOffset; - unsigned int textureSize; - int cpp; - unsigned int stride; - int sgram; - int use_agp; - drm_mga_warp_index_t WarpIndex[MGA_MAX_G400_PIPES]; - unsigned int WarpPipe; - unsigned int vertexsize; - atomic_t pending_bufs; - void *status_page; - unsigned long real_status_page; - u8 *ioremap; - drm_mga_prim_buf_t **prim_bufs; - drm_mga_prim_buf_t *next_prim; - drm_mga_prim_buf_t *last_prim; - drm_mga_prim_buf_t *current_prim; - int current_prim_idx; +typedef struct { + drm_mga_freelist_t *list_entry; + int discard; + int dispatched; +} drm_mga_buf_priv_t; + +typedef struct drm_mga_private { + drm_mga_primary_buffer_t prim; + drm_mga_sarea_t *sarea_priv; + drm_mga_freelist_t *head; drm_mga_freelist_t *tail; - wait_queue_head_t flush_queue; /* Processes waiting until flush */ - wait_queue_head_t wait_queue; /* Processes waiting until interrupt */ - wait_queue_head_t buf_queue; /* Processes waiting for a free buf */ - /* Some validated register values: - */ - u32 mAccess; -} drm_mga_private_t; - /* mga_drv.c */ -extern int mga_version(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_open(struct inode *inode, struct file *filp); -extern int mga_release(struct inode *inode, struct file *filp); -extern int mga_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_unlock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); + unsigned int warp_pipe; + unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES]; + + int chipset; + int usec_timeout; + + u32 clear_cmd; + u32 maccess; + + unsigned int fb_cpp; + unsigned int front_offset; + unsigned int front_pitch; + unsigned int back_offset; + unsigned int back_pitch; + + unsigned int depth_cpp; + unsigned int depth_offset; + unsigned int depth_pitch; + + unsigned int texture_offset; + unsigned int texture_size; + + drm_map_t *sarea; + drm_map_t *fb; + drm_map_t *mmio; + drm_map_t *status; + drm_map_t *warp; + drm_map_t *primary; + drm_map_t *buffers; + drm_map_t *agp_textures; +} drm_mga_private_t; /* mga_dma.c */ -extern int mga_dma_schedule(drm_device_t *dev, int locked); -extern int mga_dma(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_irq_install(drm_device_t *dev, int irq); -extern int mga_irq_uninstall(drm_device_t *dev); -extern int mga_control(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_lock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - -/* mga_dma_init does init and release */ -extern int mga_dma_init(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_dma_cleanup(drm_device_t *dev); -extern int mga_flush_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern unsigned int mga_create_sync_tag(drm_device_t *dev); -extern drm_buf_t *mga_freelist_get(drm_device_t *dev); -extern int mga_freelist_put(drm_device_t *dev, drm_buf_t *buf); -extern int mga_advance_primary(drm_device_t *dev); -extern void mga_reclaim_buffers(drm_device_t *dev, pid_t pid); - - - /* mga_bufs.c */ -extern int mga_addbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_infobufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_markbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_freebufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_mapbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_addmap(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); +extern int mga_dma_init( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_dma_flush( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_dma_reset( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_dma_buffers( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + +extern int mga_do_wait_for_idle( drm_mga_private_t *dev_priv ); +extern int mga_do_dma_idle( drm_mga_private_t *dev_priv ); +extern int mga_do_dma_reset( drm_mga_private_t *dev_priv ); +extern int mga_do_engine_reset( drm_mga_private_t *dev_priv ); +extern int mga_do_cleanup_dma( drm_device_t *dev ); + +extern void mga_do_dma_flush( drm_mga_private_t *dev_priv ); +extern void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv ); +extern void mga_do_dma_wrap_end( drm_mga_private_t *dev_priv ); + +extern int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf ); + + /* mga_state.c */ -extern int mga_clear_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_swap_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_iload(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_vertex(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_indices(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_blit(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - /* mga_context.c */ -extern int mga_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_getctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_switchctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int mga_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - -extern int mga_context_switch(drm_device_t *dev, int old, int new); -extern int mga_context_switch_complete(drm_device_t *dev, int new); +extern int mga_dma_clear( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_dma_swap( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_dma_vertex( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_dma_indices( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_dma_iload( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int mga_dma_blit( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + + /* mga_warp.c */ +extern int mga_warp_install_microcode( drm_device_t *dev ); +extern int mga_warp_init( drm_device_t *dev ); #define mga_flush_write_combine() mb() -typedef enum { - TT_GENERAL, - TT_BLIT, - TT_VECTOR, - TT_VERTEX -} transferType_t; -typedef struct { - drm_mga_freelist_t *my_freelist; - int discard; - int dispatched; -} drm_mga_buf_priv_t; +#define MGA_BASE( reg ) ((u32)(dev_priv->mmio->handle)) +#define MGA_ADDR( reg ) (MGA_BASE(reg) + reg) + +#define MGA_DEREF( reg ) *(volatile u32 *)MGA_ADDR( reg ) +#define MGA_READ( reg ) MGA_DEREF( reg ) +#define MGA_WRITE( reg, val ) do { MGA_DEREF( reg ) = val; } while (0) +#define MGA_DEREF8( reg ) *(volatile u8 *)MGA_ADDR( reg ) +#define MGA_WRITE8( reg, val ) do { MGA_DEREF8( reg ) = val; } while (0) #define DWGREG0 0x1c00 #define DWGREG0_END 0x1dff @@ -202,328 +161,436 @@ typedef struct { #define DWGREG1_END 0x2dff #define ISREG0(r) (r >= DWGREG0 && r <= DWGREG0_END) -#define ADRINDEX0(r) (u8)((r - DWGREG0) >> 2) -#define ADRINDEX1(r) (u8)(((r - DWGREG1) >> 2) | 0x80) -#define ADRINDEX(r) (ISREG0(r) ? ADRINDEX0(r) : ADRINDEX1(r)) - -#define MGA_VERBOSE 0 -#define MGA_NUM_PRIM_BUFS 8 - -#define PRIMLOCALS u8 tempIndex[4]; u32 *dma_ptr; u32 phys_head; \ - int outcount, num_dwords - -#define PRIM_OVERFLOW(dev, dev_priv, length) do { \ - drm_mga_prim_buf_t *tmp_buf = \ - dev_priv->prim_bufs[dev_priv->current_prim_idx]; \ - if( test_bit(MGA_BUF_NEEDS_OVERFLOW, &tmp_buf->buffer_status)) { \ - mga_advance_primary(dev); \ - mga_dma_schedule(dev, 1); \ - tmp_buf = dev_priv->prim_bufs[dev_priv->current_prim_idx]; \ - } else if( tmp_buf->max_dwords - tmp_buf->num_dwords < length || \ - tmp_buf->sec_used > MGA_DMA_BUF_NR/2) { \ - set_bit(MGA_BUF_FORCE_FIRE, &tmp_buf->buffer_status); \ - mga_advance_primary(dev); \ - mga_dma_schedule(dev, 1); \ - tmp_buf = dev_priv->prim_bufs[dev_priv->current_prim_idx]; \ - } \ - if(MGA_VERBOSE) \ - DRM_DEBUG("PRIMGETPTR in %s\n", __FUNCTION__); \ - dma_ptr = tmp_buf->current_dma_ptr; \ - num_dwords = tmp_buf->num_dwords; \ - phys_head = tmp_buf->phys_head; \ - outcount = 0; \ -} while(0) - -#define PRIMGETPTR(dev_priv) do { \ - drm_mga_prim_buf_t *tmp_buf = \ - dev_priv->prim_bufs[dev_priv->current_prim_idx]; \ - if(MGA_VERBOSE) \ - DRM_DEBUG("PRIMGETPTR in %s\n", __FUNCTION__); \ - dma_ptr = tmp_buf->current_dma_ptr; \ - num_dwords = tmp_buf->num_dwords; \ - phys_head = tmp_buf->phys_head; \ - outcount = 0; \ -} while(0) - -#define PRIMPTR(prim_buf) do { \ - if(MGA_VERBOSE) \ - DRM_DEBUG("PRIMPTR in %s\n", __FUNCTION__); \ - dma_ptr = prim_buf->current_dma_ptr; \ - num_dwords = prim_buf->num_dwords; \ - phys_head = prim_buf->phys_head; \ - outcount = 0; \ -} while(0) - -#define PRIMFINISH(prim_buf) do { \ - if (MGA_VERBOSE) { \ - DRM_DEBUG( "PRIMFINISH in %s\n", __FUNCTION__); \ - if (outcount & 3) \ - DRM_DEBUG(" --- truncation\n"); \ - } \ - prim_buf->num_dwords = num_dwords; \ - prim_buf->current_dma_ptr = dma_ptr; \ -} while(0) - -#define PRIMADVANCE(dev_priv) do { \ -drm_mga_prim_buf_t *tmp_buf = \ - dev_priv->prim_bufs[dev_priv->current_prim_idx]; \ - if (MGA_VERBOSE) { \ - DRM_DEBUG("PRIMADVANCE in %s\n", __FUNCTION__); \ - if (outcount & 3) \ - DRM_DEBUG(" --- truncation\n"); \ - } \ - tmp_buf->num_dwords = num_dwords; \ - tmp_buf->current_dma_ptr = dma_ptr; \ +#define DMAREG0(r) (u8)((r - DWGREG0) >> 2) +#define DMAREG1(r) (u8)(((r - DWGREG1) >> 2) | 0x80) +#define DMAREG(r) (ISREG0(r) ? DMAREG0(r) : DMAREG1(r)) + + + +/* ================================================================ + * Helper macross... + */ + +#define MGA_EMIT_STATE( dev_priv, dirty ) \ +do { \ + if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) { \ + if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { \ + mga_g400_emit_state( dev_priv ); \ + } else { \ + mga_g200_emit_state( dev_priv ); \ + } \ + } \ } while (0) -#define PRIMUPDATE(dev_priv) do { \ - drm_mga_prim_buf_t *tmp_buf = \ - dev_priv->prim_bufs[dev_priv->current_prim_idx]; \ - tmp_buf->sec_used++; \ +#define LOCK_TEST_WITH_RETURN( dev ) \ +do { \ + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ + dev->lock.pid != current->pid ) { \ + DRM_ERROR( "%s called without lock held\n", \ + __FUNCTION__ ); \ + return -EINVAL; \ + } \ } while (0) -#define AGEBUF(dev_priv, buf_priv) do { \ - drm_mga_prim_buf_t *tmp_buf = \ - dev_priv->prim_bufs[dev_priv->current_prim_idx]; \ - buf_priv->my_freelist->age = tmp_buf->prim_age; \ +#define WRAP_TEST_WITH_RETURN( dev_priv ) \ +do { \ + if ( dev_priv->sarea_priv->last_wrap < \ + dev_priv->prim.last_wrap ) { \ + if ( mga_do_wait_for_idle( dev_priv ) < 0 ) \ + return -EBUSY; \ + mga_do_dma_wrap_end( dev_priv ); \ + } \ } while (0) -#define PRIMOUTREG(reg, val) do { \ - tempIndex[outcount]=ADRINDEX(reg); \ - dma_ptr[1+outcount] = val; \ - if (MGA_VERBOSE) \ - DRM_DEBUG(" PRIMOUT %d: 0x%x -- 0x%x\n", \ - num_dwords + 1 + outcount, ADRINDEX(reg), val); \ - if( ++outcount == 4) { \ - outcount = 0; \ - dma_ptr[0] = *(unsigned long *)tempIndex; \ - dma_ptr+=5; \ - num_dwords += 5; \ +/* ================================================================ + * Primary DMA command stream + */ + +#define MGA_VERBOSE 0 + +#define DMA_LOCALS unsigned int write; volatile u8 *prim; + +#define DMA_BLOCK_SIZE (5 * sizeof(u32)) + +#define BEGIN_DMA( n ) \ +do { \ + if ( MGA_VERBOSE ) { \ + DRM_INFO( "BEGIN_DMA( %d ) in %s\n", \ + (n), __FUNCTION__ ); \ + DRM_INFO( " space=0x%x req=0x%x\n", \ + dev_priv->prim.space, (n) * DMA_BLOCK_SIZE ); \ } \ -}while (0) + prim = dev_priv->prim.start; \ + write = dev_priv->prim.tail; \ +} while (0) + +#define BEGIN_DMA_WRAP() \ +do { \ + if ( MGA_VERBOSE ) { \ + DRM_INFO( "BEGIN_DMA() in %s\n", __FUNCTION__ ); \ + DRM_INFO( " space=0x%x\n", dev_priv->prim.space ); \ + } \ + prim = dev_priv->prim.start; \ + write = dev_priv->prim.tail; \ +} while (0) + +#define ADVANCE_DMA() \ +do { \ + dev_priv->prim.tail = write; \ + if ( MGA_VERBOSE ) { \ + DRM_INFO( "ADVANCE_DMA() tail=0x%05x sp=0x%x\n", \ + write, dev_priv->prim.space ); \ + } \ +} while (0) + +#define FLUSH_DMA() \ +do { \ + if ( dev_priv->prim.space < dev_priv->prim.high_mark ) { \ + mga_do_dma_wrap_start( dev_priv ); \ + } else { \ + mga_do_dma_flush( dev_priv ); \ + } \ +} while (0) + +/* Never use this, always use DMA_BLOCK(...) for primary DMA output. + */ +#define DMA_WRITE( offset, val ) \ +do { \ + if ( MGA_VERBOSE ) { \ + DRM_INFO( " DMA_WRITE( 0x%08x ) at 0x%04x\n", \ + (u32)(val), write + (offset) * sizeof(u32) ); \ + } \ + *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \ +} while (0) + +#define DMA_BLOCK( reg0, val0, reg1, val1, reg2, val2, reg3, val3 ) \ +do { \ + DMA_WRITE( 0, ((DMAREG( reg0 ) << 0) | \ + (DMAREG( reg1 ) << 8) | \ + (DMAREG( reg2 ) << 16) | \ + (DMAREG( reg3 ) << 24)) ); \ + DMA_WRITE( 1, val0 ); \ + DMA_WRITE( 2, val1 ); \ + DMA_WRITE( 3, val2 ); \ + DMA_WRITE( 4, val3 ); \ + write += DMA_BLOCK_SIZE; \ +} while (0) + + +/* Buffer ageing via primary DMA stream head pointer. + */ + +#define SET_AGE( age, h, w ) \ +do { \ + (age)->head = h; \ + (age)->wrap = w; \ +} while (0) + +#define TEST_AGE( age, h, w ) ( (age)->wrap < w || \ + ( (age)->wrap == w && \ + (age)->head < h ) ) + +#define AGE_BUFFER( buf_priv ) \ +do { \ + drm_mga_freelist_t *entry = (buf_priv)->list_entry; \ + if ( (buf_priv)->dispatched ) { \ + entry->age.head = (dev_priv->prim.tail + \ + dev_priv->primary->offset); \ + entry->age.wrap = dev_priv->sarea_priv->last_wrap; \ + } else { \ + entry->age.head = 0; \ + entry->age.wrap = 0; \ + } \ +} while (0) + + +#define MGA_ENGINE_IDLE_MASK (MGA_SOFTRAPEN | \ + MGA_DWGENGSTS | \ + MGA_ENDPRDMASTS) +#define MGA_DMA_IDLE_MASK (MGA_SOFTRAPEN | \ + MGA_ENDPRDMASTS) + +#define MGA_DMA_SOFTRAP_SIZE 32 * DMA_BLOCK_SIZE + + /* A reduced set of the mga registers. */ +#define MGA_CRTC_INDEX 0x1fd4 + +#define MGA_ALPHACTRL 0x2c7c +#define MGA_AR0 0x1c60 +#define MGA_AR1 0x1c64 +#define MGA_AR2 0x1c68 +#define MGA_AR3 0x1c6c +#define MGA_AR4 0x1c70 +#define MGA_AR5 0x1c74 +#define MGA_AR6 0x1c78 + +#define MGA_CXBNDRY 0x1c80 +#define MGA_CXLEFT 0x1ca0 +#define MGA_CXRIGHT 0x1ca4 + +#define MGA_DMAPAD 0x1c54 +#define MGA_DSTORG 0x2cb8 +#define MGA_DWGCTL 0x1c00 +# define MGA_OPCOD_MASK (15 << 0) +# define MGA_OPCOD_TRAP (4 << 0) +# define MGA_OPCOD_TEXTURE_TRAP (6 << 0) +# define MGA_OPCOD_BITBLT (8 << 0) +# define MGA_OPCOD_ILOAD (9 << 0) +# define MGA_ATYPE_MASK (7 << 4) +# define MGA_ATYPE_RPL (0 << 4) +# define MGA_ATYPE_RSTR (1 << 4) +# define MGA_ATYPE_ZI (3 << 4) +# define MGA_ATYPE_BLK (4 << 4) +# define MGA_ATYPE_I (7 << 4) +# define MGA_LINEAR (1 << 7) +# define MGA_ZMODE_MASK (7 << 8) +# define MGA_ZMODE_NOZCMP (0 << 8) +# define MGA_ZMODE_ZE (2 << 8) +# define MGA_ZMODE_ZNE (3 << 8) +# define MGA_ZMODE_ZLT (4 << 8) +# define MGA_ZMODE_ZLTE (5 << 8) +# define MGA_ZMODE_ZGT (6 << 8) +# define MGA_ZMODE_ZGTE (7 << 8) +# define MGA_SOLID (1 << 11) +# define MGA_ARZERO (1 << 12) +# define MGA_SGNZERO (1 << 13) +# define MGA_SHIFTZERO (1 << 14) +# define MGA_BOP_MASK (15 << 16) +# define MGA_BOP_ZERO (0 << 16) +# define MGA_BOP_DST (10 << 16) +# define MGA_BOP_SRC (12 << 16) +# define MGA_BOP_ONE (15 << 16) +# define MGA_TRANS_SHIFT 20 +# define MGA_TRANS_MASK (15 << 20) +# define MGA_BLTMOD_MASK (15 << 25) +# define MGA_BLTMOD_BMONOLEF (0 << 25) +# define MGA_BLTMOD_BMONOWF (4 << 25) +# define MGA_BLTMOD_PLAN (1 << 25) +# define MGA_BLTMOD_BFCOL (2 << 25) +# define MGA_BLTMOD_BU32BGR (3 << 25) +# define MGA_BLTMOD_BU32RGB (7 << 25) +# define MGA_BLTMOD_BU24BGR (11 << 25) +# define MGA_BLTMOD_BU24RGB (15 << 25) +# define MGA_PATTERN (1 << 29) +# define MGA_TRANSC (1 << 30) +# define MGA_CLIPDIS (1 << 31) +#define MGA_DWGSYNC 0x2c4c + +#define MGA_FCOL 0x1c24 +#define MGA_FIFOSTATUS 0x1e10 +#define MGA_FOGCOL 0x1cf4 +#define MGA_FXBNDRY 0x1c84 +#define MGA_FXLEFT 0x1ca8 +#define MGA_FXRIGHT 0x1cac + +#define MGA_ICLEAR 0x1e18 +# define MGA_SOFTRAPICLR (1 << 0) +#define MGA_IEN 0x1e1c +# define MGA_SOFTRAPIEN (1 << 0) + +#define MGA_LEN 0x1c5c + +#define MGA_MACCESS 0x1c04 + +#define MGA_PITCH 0x1c8c +#define MGA_PLNWT 0x1c1c +#define MGA_PRIMADDRESS 0x1e58 +# define MGA_DMA_GENERAL (0 << 0) +# define MGA_DMA_BLIT (1 << 0) +# define MGA_DMA_VECTOR (2 << 0) +# define MGA_DMA_VERTEX (3 << 0) +#define MGA_PRIMEND 0x1e5c +# define MGA_PRIMNOSTART (1 << 0) +# define MGA_PAGPXFER (1 << 1) +#define MGA_PRIMPTR 0x1e50 +# define MGA_PRIMPTREN0 (1 << 0) +# define MGA_PRIMPTREN1 (1 << 1) + +#define MGA_RST 0x1e40 +# define MGA_SOFTRESET (1 << 0) +# define MGA_SOFTEXTRST (1 << 1) + +#define MGA_SECADDRESS 0x2c40 +#define MGA_SECEND 0x2c44 +#define MGA_SETUPADDRESS 0x2cd0 +#define MGA_SETUPEND 0x2cd4 +#define MGA_SGN 0x1c58 +#define MGA_SOFTRAP 0x2c48 +#define MGA_SRCORG 0x2cb4 +# define MGA_SRMMAP_MASK (1 << 0) +# define MGA_SRCMAP_FB (0 << 0) +# define MGA_SRCMAP_SYSMEM (1 << 0) +# define MGA_SRCACC_MASK (1 << 1) +# define MGA_SRCACC_PCI (0 << 1) +# define MGA_SRCACC_AGP (1 << 1) +#define MGA_STATUS 0x1e14 +# define MGA_SOFTRAPEN (1 << 0) +# define MGA_DWGENGSTS (1 << 16) +# define MGA_ENDPRDMASTS (1 << 17) +#define MGA_STENCIL 0x2cc8 +#define MGA_STENCILCTL 0x2ccc + +#define MGA_TDUALSTAGE0 0x2cf8 +#define MGA_TDUALSTAGE1 0x2cfc +#define MGA_TEXBORDERCOL 0x2c5c +#define MGA_TEXCTL 0x2c30 +#define MGA_TEXCTL2 0x2c3c +# define MGA_DUALTEX (1 << 7) +# define MGA_G400_TC2_MAGIC (1 << 15) +# define MGA_MAP1_ENABLE (1 << 31) +#define MGA_TEXFILTER 0x2c58 +#define MGA_TEXHEIGHT 0x2c2c +#define MGA_TEXORG 0x2c24 +# define MGA_TEXORGMAP_MASK (1 << 0) +# define MGA_TEXORGMAP_FB (0 << 0) +# define MGA_TEXORGMAP_SYSMEM (1 << 0) +# define MGA_TEXORGACC_MASK (1 << 1) +# define MGA_TEXORGACC_PCI (0 << 1) +# define MGA_TEXORGACC_AGP (1 << 1) +#define MGA_TEXORG1 0x2ca4 +#define MGA_TEXORG2 0x2ca8 +#define MGA_TEXORG3 0x2cac +#define MGA_TEXORG4 0x2cb0 +#define MGA_TEXTRANS 0x2c34 +#define MGA_TEXTRANSHIGH 0x2c38 +#define MGA_TEXWIDTH 0x2c28 + +#define MGA_WACCEPTSEQ 0x1dd4 +#define MGA_WCODEADDR 0x1e6c +#define MGA_WFLAG 0x1dc4 +#define MGA_WFLAG1 0x1de0 +#define MGA_WFLAGNB 0x1e64 +#define MGA_WFLAGNB1 0x1e08 +#define MGA_WGETMSB 0x1dc8 +#define MGA_WIADDR 0x1dc0 +#define MGA_WIADDR2 0x1dd8 +# define MGA_WMODE_SUSPEND (0 << 0) +# define MGA_WMODE_RESUME (1 << 0) +# define MGA_WMODE_JUMP (2 << 0) +# define MGA_WMODE_START (3 << 0) +# define MGA_WAGP_ENABLE (1 << 2) +#define MGA_WMISC 0x1e70 +# define MGA_WUCODECACHE_ENABLE (1 << 0) +# define MGA_WMASTER_ENABLE (1 << 1) +# define MGA_WCACHEFLUSH_ENABLE (1 << 3) +#define MGA_WVRTXSZ 0x1dcc + +#define MGA_YBOT 0x1c9c +#define MGA_YDST 0x1c90 +#define MGA_YDSTLEN 0x1c88 +#define MGA_YDSTORG 0x1c94 +#define MGA_YTOP 0x1c98 + +#define MGA_ZORG 0x1c0c + +/* This finishes the current batch of commands + */ +#define MGA_EXEC 0x0100 -#define MGAREG_MGA_EXEC 0x0100 -#define MGAREG_ALPHACTRL 0x2c7c -#define MGAREG_AR0 0x1c60 -#define MGAREG_AR1 0x1c64 -#define MGAREG_AR2 0x1c68 -#define MGAREG_AR3 0x1c6c -#define MGAREG_AR4 0x1c70 -#define MGAREG_AR5 0x1c74 -#define MGAREG_AR6 0x1c78 -#define MGAREG_CXBNDRY 0x1c80 -#define MGAREG_CXLEFT 0x1ca0 -#define MGAREG_CXRIGHT 0x1ca4 -#define MGAREG_DMAPAD 0x1c54 -#define MGAREG_DSTORG 0x2cb8 -#define MGAREG_DWGCTL 0x1c00 -#define MGAREG_DWGSYNC 0x2c4c -#define MGAREG_FCOL 0x1c24 -#define MGAREG_FIFOSTATUS 0x1e10 -#define MGAREG_FOGCOL 0x1cf4 -#define MGAREG_FXBNDRY 0x1c84 -#define MGAREG_FXLEFT 0x1ca8 -#define MGAREG_FXRIGHT 0x1cac -#define MGAREG_ICLEAR 0x1e18 -#define MGAREG_IEN 0x1e1c -#define MGAREG_LEN 0x1c5c -#define MGAREG_MACCESS 0x1c04 -#define MGAREG_PITCH 0x1c8c -#define MGAREG_PLNWT 0x1c1c -#define MGAREG_PRIMADDRESS 0x1e58 -#define MGAREG_PRIMEND 0x1e5c -#define MGAREG_PRIMPTR 0x1e50 -#define MGAREG_SECADDRESS 0x2c40 -#define MGAREG_SECEND 0x2c44 -#define MGAREG_SETUPADDRESS 0x2cd0 -#define MGAREG_SETUPEND 0x2cd4 -#define MGAREG_SGN 0x1c58 -#define MGAREG_SOFTRAP 0x2c48 -#define MGAREG_SRCORG 0x2cb4 -#define MGAREG_STATUS 0x1e14 -#define MGAREG_STENCIL 0x2cc8 -#define MGAREG_STENCILCTL 0x2ccc -#define MGAREG_TDUALSTAGE0 0x2cf8 -#define MGAREG_TDUALSTAGE1 0x2cfc -#define MGAREG_TEXBORDERCOL 0x2c5c -#define MGAREG_TEXCTL 0x2c30 -#define MGAREG_TEXCTL2 0x2c3c -#define MGAREG_TEXFILTER 0x2c58 -#define MGAREG_TEXHEIGHT 0x2c2c -#define MGAREG_TEXORG 0x2c24 -#define MGAREG_TEXORG1 0x2ca4 -#define MGAREG_TEXORG2 0x2ca8 -#define MGAREG_TEXORG3 0x2cac -#define MGAREG_TEXORG4 0x2cb0 -#define MGAREG_TEXTRANS 0x2c34 -#define MGAREG_TEXTRANSHIGH 0x2c38 -#define MGAREG_TEXWIDTH 0x2c28 -#define MGAREG_WACCEPTSEQ 0x1dd4 -#define MGAREG_WCODEADDR 0x1e6c -#define MGAREG_WFLAG 0x1dc4 -#define MGAREG_WFLAG1 0x1de0 -#define MGAREG_WFLAGNB 0x1e64 -#define MGAREG_WFLAGNB1 0x1e08 -#define MGAREG_WGETMSB 0x1dc8 -#define MGAREG_WIADDR 0x1dc0 -#define MGAREG_WIADDR2 0x1dd8 -#define MGAREG_WMISC 0x1e70 -#define MGAREG_WVRTXSZ 0x1dcc -#define MGAREG_YBOT 0x1c9c -#define MGAREG_YDST 0x1c90 -#define MGAREG_YDSTLEN 0x1c88 -#define MGAREG_YDSTORG 0x1c94 -#define MGAREG_YTOP 0x1c98 -#define MGAREG_ZORG 0x1c0c - -/* Warp registers */ -#define MGAREG_WR0 0x2d00 -#define MGAREG_WR1 0x2d04 -#define MGAREG_WR2 0x2d08 -#define MGAREG_WR3 0x2d0c -#define MGAREG_WR4 0x2d10 -#define MGAREG_WR5 0x2d14 -#define MGAREG_WR6 0x2d18 -#define MGAREG_WR7 0x2d1c -#define MGAREG_WR8 0x2d20 -#define MGAREG_WR9 0x2d24 -#define MGAREG_WR10 0x2d28 -#define MGAREG_WR11 0x2d2c -#define MGAREG_WR12 0x2d30 -#define MGAREG_WR13 0x2d34 -#define MGAREG_WR14 0x2d38 -#define MGAREG_WR15 0x2d3c -#define MGAREG_WR16 0x2d40 -#define MGAREG_WR17 0x2d44 -#define MGAREG_WR18 0x2d48 -#define MGAREG_WR19 0x2d4c -#define MGAREG_WR20 0x2d50 -#define MGAREG_WR21 0x2d54 -#define MGAREG_WR22 0x2d58 -#define MGAREG_WR23 0x2d5c -#define MGAREG_WR24 0x2d60 -#define MGAREG_WR25 0x2d64 -#define MGAREG_WR26 0x2d68 -#define MGAREG_WR27 0x2d6c -#define MGAREG_WR28 0x2d70 -#define MGAREG_WR29 0x2d74 -#define MGAREG_WR30 0x2d78 -#define MGAREG_WR31 0x2d7c -#define MGAREG_WR32 0x2d80 -#define MGAREG_WR33 0x2d84 -#define MGAREG_WR34 0x2d88 -#define MGAREG_WR35 0x2d8c -#define MGAREG_WR36 0x2d90 -#define MGAREG_WR37 0x2d94 -#define MGAREG_WR38 0x2d98 -#define MGAREG_WR39 0x2d9c -#define MGAREG_WR40 0x2da0 -#define MGAREG_WR41 0x2da4 -#define MGAREG_WR42 0x2da8 -#define MGAREG_WR43 0x2dac -#define MGAREG_WR44 0x2db0 -#define MGAREG_WR45 0x2db4 -#define MGAREG_WR46 0x2db8 -#define MGAREG_WR47 0x2dbc -#define MGAREG_WR48 0x2dc0 -#define MGAREG_WR49 0x2dc4 -#define MGAREG_WR50 0x2dc8 -#define MGAREG_WR51 0x2dcc -#define MGAREG_WR52 0x2dd0 -#define MGAREG_WR53 0x2dd4 -#define MGAREG_WR54 0x2dd8 -#define MGAREG_WR55 0x2ddc -#define MGAREG_WR56 0x2de0 -#define MGAREG_WR57 0x2de4 -#define MGAREG_WR58 0x2de8 -#define MGAREG_WR59 0x2dec -#define MGAREG_WR60 0x2df0 -#define MGAREG_WR61 0x2df4 -#define MGAREG_WR62 0x2df8 -#define MGAREG_WR63 0x2dfc - -#define PDEA_pagpxfer_enable 0x2 - -#define WIA_wmode_suspend 0x0 -#define WIA_wmode_start 0x3 -#define WIA_wagp_agp 0x4 - -#define DC_opcod_line_open 0x0 -#define DC_opcod_autoline_open 0x1 -#define DC_opcod_line_close 0x2 -#define DC_opcod_autoline_close 0x3 -#define DC_opcod_trap 0x4 -#define DC_opcod_texture_trap 0x6 -#define DC_opcod_bitblt 0x8 -#define DC_opcod_iload 0x9 -#define DC_atype_rpl 0x0 -#define DC_atype_rstr 0x10 -#define DC_atype_zi 0x30 -#define DC_atype_blk 0x40 -#define DC_atype_i 0x70 -#define DC_linear_xy 0x0 -#define DC_linear_linear 0x80 -#define DC_zmode_nozcmp 0x0 -#define DC_zmode_ze 0x200 -#define DC_zmode_zne 0x300 -#define DC_zmode_zlt 0x400 -#define DC_zmode_zlte 0x500 -#define DC_zmode_zgt 0x600 -#define DC_zmode_zgte 0x700 -#define DC_solid_disable 0x0 -#define DC_solid_enable 0x800 -#define DC_arzero_disable 0x0 -#define DC_arzero_enable 0x1000 -#define DC_sgnzero_disable 0x0 -#define DC_sgnzero_enable 0x2000 -#define DC_shftzero_disable 0x0 -#define DC_shftzero_enable 0x4000 -#define DC_bop_SHIFT 16 -#define DC_trans_SHIFT 20 -#define DC_bltmod_bmonolef 0x0 -#define DC_bltmod_bmonowf 0x8000000 -#define DC_bltmod_bplan 0x2000000 -#define DC_bltmod_bfcol 0x4000000 -#define DC_bltmod_bu32bgr 0x6000000 -#define DC_bltmod_bu32rgb 0xe000000 -#define DC_bltmod_bu24bgr 0x16000000 -#define DC_bltmod_bu24rgb 0x1e000000 -#define DC_pattern_disable 0x0 -#define DC_pattern_enable 0x20000000 -#define DC_transc_disable 0x0 -#define DC_transc_enable 0x40000000 -#define DC_clipdis_disable 0x0 -#define DC_clipdis_enable 0x80000000 - - -#define SO_srcacc_pci 0x0 -#define SO_srcacc_agp 0x2 -#define SO_srcmap_fb 0x0 -#define SO_srcmap_sys 0x1 - - -#define SETADD_mode_vertlist 0x0 - - -#define MGA_CLEAR_CMD (DC_opcod_trap | DC_arzero_enable | \ - DC_sgnzero_enable | DC_shftzero_enable | \ - (0xC << DC_bop_SHIFT) | DC_clipdis_enable | \ - DC_solid_enable | DC_transc_enable) - - -#define MGA_COPY_CMD (DC_opcod_bitblt | DC_atype_rpl | DC_linear_xy | \ - DC_solid_disable | DC_arzero_disable | \ - DC_sgnzero_enable | DC_shftzero_enable | \ - (0xC << DC_bop_SHIFT) | DC_bltmod_bfcol | \ - DC_pattern_disable | DC_transc_disable | \ - DC_clipdis_enable) \ - -#define MGA_FLUSH_CMD (DC_opcod_texture_trap | (0xF << DC_trans_SHIFT) |\ - DC_arzero_enable | DC_sgnzero_enable | \ - DC_atype_i) +/* Warp registers + */ +#define MGA_WR0 0x2d00 +#define MGA_WR1 0x2d04 +#define MGA_WR2 0x2d08 +#define MGA_WR3 0x2d0c +#define MGA_WR4 0x2d10 +#define MGA_WR5 0x2d14 +#define MGA_WR6 0x2d18 +#define MGA_WR7 0x2d1c +#define MGA_WR8 0x2d20 +#define MGA_WR9 0x2d24 +#define MGA_WR10 0x2d28 +#define MGA_WR11 0x2d2c +#define MGA_WR12 0x2d30 +#define MGA_WR13 0x2d34 +#define MGA_WR14 0x2d38 +#define MGA_WR15 0x2d3c +#define MGA_WR16 0x2d40 +#define MGA_WR17 0x2d44 +#define MGA_WR18 0x2d48 +#define MGA_WR19 0x2d4c +#define MGA_WR20 0x2d50 +#define MGA_WR21 0x2d54 +#define MGA_WR22 0x2d58 +#define MGA_WR23 0x2d5c +#define MGA_WR24 0x2d60 +#define MGA_WR25 0x2d64 +#define MGA_WR26 0x2d68 +#define MGA_WR27 0x2d6c +#define MGA_WR28 0x2d70 +#define MGA_WR29 0x2d74 +#define MGA_WR30 0x2d78 +#define MGA_WR31 0x2d7c +#define MGA_WR32 0x2d80 +#define MGA_WR33 0x2d84 +#define MGA_WR34 0x2d88 +#define MGA_WR35 0x2d8c +#define MGA_WR36 0x2d90 +#define MGA_WR37 0x2d94 +#define MGA_WR38 0x2d98 +#define MGA_WR39 0x2d9c +#define MGA_WR40 0x2da0 +#define MGA_WR41 0x2da4 +#define MGA_WR42 0x2da8 +#define MGA_WR43 0x2dac +#define MGA_WR44 0x2db0 +#define MGA_WR45 0x2db4 +#define MGA_WR46 0x2db8 +#define MGA_WR47 0x2dbc +#define MGA_WR48 0x2dc0 +#define MGA_WR49 0x2dc4 +#define MGA_WR50 0x2dc8 +#define MGA_WR51 0x2dcc +#define MGA_WR52 0x2dd0 +#define MGA_WR53 0x2dd4 +#define MGA_WR54 0x2dd8 +#define MGA_WR55 0x2ddc +#define MGA_WR56 0x2de0 +#define MGA_WR57 0x2de4 +#define MGA_WR58 0x2de8 +#define MGA_WR59 0x2dec +#define MGA_WR60 0x2df0 +#define MGA_WR61 0x2df4 +#define MGA_WR62 0x2df8 +#define MGA_WR63 0x2dfc +# define MGA_G400_WR_MAGIC (1 << 6) +# define MGA_G400_WR56_MAGIC 0x46480000 /* 12800.0f */ + + +#define MGA_ILOAD_ALIGN 64 +#define MGA_ILOAD_MASK (MGA_ILOAD_ALIGN - 1) + +#define MGA_DWGCTL_FLUSH (MGA_OPCOD_TEXTURE_TRAP | \ + MGA_ATYPE_I | \ + MGA_ZMODE_NOZCMP | \ + MGA_ARZERO | \ + MGA_SGNZERO | \ + MGA_BOP_SRC | \ + (15 << MGA_TRANS_SHIFT)) + +#define MGA_DWGCTL_CLEAR (MGA_OPCOD_TRAP | \ + MGA_ZMODE_NOZCMP | \ + MGA_SOLID | \ + MGA_ARZERO | \ + MGA_SGNZERO | \ + MGA_SHIFTZERO | \ + MGA_BOP_SRC | \ + (0 << MGA_TRANS_SHIFT) | \ + MGA_BLTMOD_BMONOLEF | \ + MGA_TRANSC | \ + MGA_CLIPDIS) + +#define MGA_DWGCTL_COPY (MGA_OPCOD_BITBLT | \ + MGA_ATYPE_RPL | \ + MGA_SGNZERO | \ + MGA_SHIFTZERO | \ + MGA_BOP_SRC | \ + (0 << MGA_TRANS_SHIFT) | \ + MGA_BLTMOD_BFCOL | \ + MGA_CLIPDIS) #endif diff --git a/linux/mga_state.c b/linux/mga_state.c index bba8fa35..dc2c8c30 100644 --- a/linux/mga_state.c +++ b/linux/mga_state.c @@ -1,4 +1,4 @@ -/* mga_state.c -- State support for mga g200/g400 -*- linux-c -*- +/* mga_state.c -- State support for MGA G200/G400 -*- linux-c -*- * Created: Thu Jan 27 02:53:43 2000 by jhartmann@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -19,404 +19,400 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * - * Authors: Jeff Hartmann <jhartmann@valinux.com> - * Keith Whitwell <keithw@valinux.com> + * Authors: + * Jeff Hartmann <jhartmann@valinux.com> + * Keith Whitwell <keithw@valinux.com> * + * Rewritten by: + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ +#include "mga.h" #include "drmP.h" #include "mga_drv.h" #include "drm.h" -/* If you change the functions to set state, PLEASE - * change these values - */ - -#define MGAEMITCLIP_SIZE 10 -#define MGAEMITCTX_SIZE 20 -#define MGAG200EMITTEX_SIZE 20 -#define MGAG400EMITTEX0_SIZE 30 -#define MGAG400EMITTEX1_SIZE 25 -#define MGAG400EMITPIPE_SIZE 50 -#define MGAG200EMITPIPE_SIZE 15 -#define MAX_STATE_SIZE ((MGAEMITCLIP_SIZE * MGA_NR_SAREA_CLIPRECTS) + \ - MGAEMITCTX_SIZE + MGAG400EMITTEX0_SIZE + \ - MGAG400EMITTEX1_SIZE + MGAG400EMITPIPE_SIZE) +/* ================================================================ + * DMA hardware state programming functions + */ -static void mgaEmitClipRect(drm_mga_private_t * dev_priv, - drm_clip_rect_t * box) +static void mga_emit_clip_rect( drm_mga_private_t *dev_priv, + drm_clip_rect_t *box ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - PRIMLOCALS; - - /* This takes 10 dwords */ - PRIMGETPTR(dev_priv); - - /* Force reset of dwgctl on G400 (eliminates clip disable bit) */ - if (dev_priv->chipset == MGA_CARD_TYPE_G400) { -#if 0 - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DWGSYNC, 0); - PRIMOUTREG(MGAREG_DWGSYNC, 0); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); -#else - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0x80000000); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0x80000000); -#endif - } - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_CXBNDRY, ((box->x2) << 16) | (box->x1)); - PRIMOUTREG(MGAREG_YTOP, box->y1 * dev_priv->stride / dev_priv->cpp); - PRIMOUTREG(MGAREG_YBOT, box->y2 * dev_priv->stride / dev_priv->cpp); + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + unsigned int pitch = dev_priv->front_pitch; + DMA_LOCALS; - PRIMADVANCE(dev_priv); -} + BEGIN_DMA( 2 ); -static void mgaEmitContext(drm_mga_private_t * dev_priv) -{ - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - PRIMLOCALS; - - /* This takes a max of 20 dwords */ - PRIMGETPTR(dev_priv); - - PRIMOUTREG(MGAREG_DSTORG, regs[MGA_CTXREG_DSTORG]); - PRIMOUTREG(MGAREG_MACCESS, regs[MGA_CTXREG_MACCESS]); - PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); - - PRIMOUTREG(MGAREG_ALPHACTRL, regs[MGA_CTXREG_ALPHACTRL]); - PRIMOUTREG(MGAREG_FOGCOL, regs[MGA_CTXREG_FOGCOLOR]); - PRIMOUTREG(MGAREG_WFLAG, regs[MGA_CTXREG_WFLAG]); - PRIMOUTREG(MGAREG_ZORG, dev_priv->depthOffset); /* invarient */ - - if (dev_priv->chipset == MGA_CARD_TYPE_G400) { - PRIMOUTREG(MGAREG_WFLAG1, regs[MGA_CTXREG_WFLAG]); - PRIMOUTREG(MGAREG_TDUALSTAGE0, regs[MGA_CTXREG_TDUAL0]); - PRIMOUTREG(MGAREG_TDUALSTAGE1, regs[MGA_CTXREG_TDUAL1]); - PRIMOUTREG(MGAREG_FCOL, regs[MGA_CTXREG_FCOL]); - - PRIMOUTREG(MGAREG_STENCIL, regs[MGA_CTXREG_STENCIL]); - PRIMOUTREG(MGAREG_STENCILCTL, regs[MGA_CTXREG_STENCILCTL]); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - } else { - PRIMOUTREG(MGAREG_FCOL, regs[MGA_CTXREG_FCOL]); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); + /* Force reset of DWGCTL on G400 (eliminates clip disable bit). + */ + if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { + DMA_BLOCK( MGA_DWGCTL, ctx->dwgctl, + MGA_LEN + MGA_EXEC, 0x80000000, + MGA_DWGCTL, ctx->dwgctl, + MGA_LEN + MGA_EXEC, 0x80000000 ); } + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_CXBNDRY, (box->x2 << 16) | box->x1, + MGA_YTOP, box->y1 * pitch, + MGA_YBOT, box->y2 * pitch ); - PRIMADVANCE(dev_priv); + ADVANCE_DMA(); } -static void mgaG200EmitTex(drm_mga_private_t * dev_priv) +static inline void mga_g200_emit_context( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->TexState[0]; - PRIMLOCALS; - - PRIMGETPTR(dev_priv); + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + DMA_LOCALS; - /* This takes 20 dwords */ + BEGIN_DMA( 3 ); - PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2]); - PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]); - PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]); - PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]); + DMA_BLOCK( MGA_DSTORG, ctx->dstorg, + MGA_MACCESS, ctx->maccess, + MGA_PLNWT, ctx->plnwt, + MGA_DWGCTL, ctx->dwgctl ); - PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG]); - PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1]); - PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2]); - PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3]); + DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl, + MGA_FOGCOL, ctx->fogcolor, + MGA_WFLAG, ctx->wflag, + MGA_ZORG, dev_priv->depth_offset ); - PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4]); - PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH]); - PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT]); - PRIMOUTREG(MGAREG_WR24, regs[MGA_TEXREG_WIDTH]); + DMA_BLOCK( MGA_FCOL, ctx->fcol, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); - PRIMOUTREG(MGAREG_WR34, regs[MGA_TEXREG_HEIGHT]); - PRIMOUTREG(MGAREG_TEXTRANS, 0xffff); - PRIMOUTREG(MGAREG_TEXTRANSHIGH, 0xffff); - PRIMOUTREG(MGAREG_DMAPAD, 0); - - PRIMADVANCE(dev_priv); + ADVANCE_DMA(); } -#define TMC_dualtex_enable 0x80 - -static void mgaG400EmitTex0(drm_mga_private_t * dev_priv) +static inline void mga_g400_emit_context( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->TexState[0]; - PRIMLOCALS; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + DMA_LOCALS; - PRIMGETPTR(dev_priv); + BEGIN_DMA( 4 ); - /* This takes 30 dwords */ + DMA_BLOCK( MGA_DSTORG, ctx->dstorg, + MGA_MACCESS, ctx->maccess, + MGA_PLNWT, ctx->plnwt, + MGA_DWGCTL, ctx->dwgctl ); - PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] | 0x00008000); - PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]); - PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]); - PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]); + DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl, + MGA_FOGCOL, ctx->fogcolor, + MGA_WFLAG, ctx->wflag, + MGA_ZORG, dev_priv->depth_offset ); - PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG]); - PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1]); - PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2]); - PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3]); + DMA_BLOCK( MGA_WFLAG1, ctx->wflag, + MGA_TDUALSTAGE0, ctx->tdualstage0, + MGA_TDUALSTAGE1, ctx->tdualstage1, + MGA_FCOL, ctx->fcol ); - PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4]); - PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH]); - PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT]); - PRIMOUTREG(MGAREG_WR49, 0); + DMA_BLOCK( MGA_STENCIL, ctx->stencil, + MGA_STENCILCTL, ctx->stencilctl, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); - PRIMOUTREG(MGAREG_WR57, 0); - PRIMOUTREG(MGAREG_WR53, 0); - PRIMOUTREG(MGAREG_WR61, 0); - PRIMOUTREG(MGAREG_WR52, 0x40); - - PRIMOUTREG(MGAREG_WR60, 0x40); - PRIMOUTREG(MGAREG_WR54, regs[MGA_TEXREG_WIDTH] | 0x40); - PRIMOUTREG(MGAREG_WR62, regs[MGA_TEXREG_HEIGHT] | 0x40); - PRIMOUTREG(MGAREG_DMAPAD, 0); - - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_TEXTRANS, 0xffff); - PRIMOUTREG(MGAREG_TEXTRANSHIGH, 0xffff); - - PRIMADVANCE(dev_priv); + ADVANCE_DMA(); } -#define TMC_map1_enable 0x80000000 - -static void mgaG400EmitTex1(drm_mga_private_t * dev_priv) +static inline void mga_g200_emit_tex0( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->TexState[1]; - PRIMLOCALS; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0]; + DMA_LOCALS; - PRIMGETPTR(dev_priv); + BEGIN_DMA( 4 ); - /* This takes 25 dwords */ + DMA_BLOCK( MGA_TEXCTL2, tex->texctl2, + MGA_TEXCTL, tex->texctl, + MGA_TEXFILTER, tex->texfilter, + MGA_TEXBORDERCOL, tex->texbordercol ); - PRIMOUTREG(MGAREG_TEXCTL2, - regs[MGA_TEXREG_CTL2] | TMC_map1_enable | 0x00008000); - PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]); - PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]); - PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]); + DMA_BLOCK( MGA_TEXORG, tex->texorg, + MGA_TEXORG1, tex->texorg1, + MGA_TEXORG2, tex->texorg2, + MGA_TEXORG3, tex->texorg3 ); - PRIMOUTREG(MGAREG_TEXORG, regs[MGA_TEXREG_ORG]); - PRIMOUTREG(MGAREG_TEXORG1, regs[MGA_TEXREG_ORG1]); - PRIMOUTREG(MGAREG_TEXORG2, regs[MGA_TEXREG_ORG2]); - PRIMOUTREG(MGAREG_TEXORG3, regs[MGA_TEXREG_ORG3]); + DMA_BLOCK( MGA_TEXORG4, tex->texorg4, + MGA_TEXWIDTH, tex->texwidth, + MGA_TEXHEIGHT, tex->texheight, + MGA_WR24, tex->texwidth ); - PRIMOUTREG(MGAREG_TEXORG4, regs[MGA_TEXREG_ORG4]); - PRIMOUTREG(MGAREG_TEXWIDTH, regs[MGA_TEXREG_WIDTH]); - PRIMOUTREG(MGAREG_TEXHEIGHT, regs[MGA_TEXREG_HEIGHT]); - PRIMOUTREG(MGAREG_WR49, 0); + DMA_BLOCK( MGA_WR34, tex->texheight, + MGA_TEXTRANS, 0x0000ffff, + MGA_TEXTRANSHIGH, 0x0000ffff, + MGA_DMAPAD, 0x00000000 ); - PRIMOUTREG(MGAREG_WR57, 0); - PRIMOUTREG(MGAREG_WR53, 0); - PRIMOUTREG(MGAREG_WR61, 0); - PRIMOUTREG(MGAREG_WR52, regs[MGA_TEXREG_WIDTH] | 0x40); - - PRIMOUTREG(MGAREG_WR60, regs[MGA_TEXREG_HEIGHT] | 0x40); - PRIMOUTREG(MGAREG_TEXTRANS, 0xffff); - PRIMOUTREG(MGAREG_TEXTRANSHIGH, 0xffff); - PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] | 0x00008000); + ADVANCE_DMA(); +} - PRIMADVANCE(dev_priv); +static inline void mga_g400_emit_tex0( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0]; + DMA_LOCALS; + + BEGIN_DMA( 6 ); + + DMA_BLOCK( MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC, + MGA_TEXCTL, tex->texctl, + MGA_TEXFILTER, tex->texfilter, + MGA_TEXBORDERCOL, tex->texbordercol ); + + DMA_BLOCK( MGA_TEXORG, tex->texorg, + MGA_TEXORG1, tex->texorg1, + MGA_TEXORG2, tex->texorg2, + MGA_TEXORG3, tex->texorg3 ); + + DMA_BLOCK( MGA_TEXORG4, tex->texorg4, + MGA_TEXWIDTH, tex->texwidth, + MGA_TEXHEIGHT, tex->texheight, + MGA_WR49, 0x00000000 ); + + DMA_BLOCK( MGA_WR57, 0x00000000, + MGA_WR53, 0x00000000, + MGA_WR61, 0x00000000, + MGA_WR52, MGA_G400_WR_MAGIC ); + + DMA_BLOCK( MGA_WR60, MGA_G400_WR_MAGIC, + MGA_WR54, tex->texwidth | MGA_G400_WR_MAGIC, + MGA_WR62, tex->texheight | MGA_G400_WR_MAGIC, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_TEXTRANS, 0x0000ffff, + MGA_TEXTRANSHIGH, 0x0000ffff ); + + ADVANCE_DMA(); } -#define MAGIC_FPARAM_HEX_VALUE 0x46480000 -/* This is the hex value of 12800.0f which is a magic value we must - * set in wr56. - */ +static inline void mga_g400_emit_tex1( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[1]; + DMA_LOCALS; + + BEGIN_DMA( 5 ); + + DMA_BLOCK( MGA_TEXCTL2, (tex->texctl2 | + MGA_MAP1_ENABLE | + MGA_G400_TC2_MAGIC), + MGA_TEXCTL, tex->texctl, + MGA_TEXFILTER, tex->texfilter, + MGA_TEXBORDERCOL, tex->texbordercol ); + + DMA_BLOCK( MGA_TEXORG, tex->texorg, + MGA_TEXORG1, tex->texorg1, + MGA_TEXORG2, tex->texorg2, + MGA_TEXORG3, tex->texorg3 ); + + DMA_BLOCK( MGA_TEXORG4, tex->texorg4, + MGA_TEXWIDTH, tex->texwidth, + MGA_TEXHEIGHT, tex->texheight, + MGA_WR49, 0x00000000 ); + + DMA_BLOCK( MGA_WR57, 0x00000000, + MGA_WR53, 0x00000000, + MGA_WR61, 0x00000000, + MGA_WR52, tex->texwidth | MGA_G400_WR_MAGIC ); + + DMA_BLOCK( MGA_WR60, tex->texheight | MGA_G400_WR_MAGIC, + MGA_TEXTRANS, 0x0000ffff, + MGA_TEXTRANSHIGH, 0x0000ffff, + MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC ); + + ADVANCE_DMA(); +} -static void mgaG400EmitPipe(drm_mga_private_t * dev_priv) +static inline void mga_g200_emit_pipe( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int pipe = sarea_priv->WarpPipe; - PRIMLOCALS; + unsigned int pipe = sarea_priv->warp_pipe; + DMA_LOCALS; - PRIMGETPTR(dev_priv); + BEGIN_DMA( 3 ); - /* This takes 50 dwords */ + DMA_BLOCK( MGA_WIADDR, MGA_WMODE_SUSPEND, + MGA_WVRTXSZ, 0x00000007, + MGA_WFLAG, 0x00000000, + MGA_WR24, 0x00000000 ); - /* Establish vertex size. + DMA_BLOCK( MGA_WR25, 0x00000100, + MGA_WR34, 0x00000000, + MGA_WR42, 0x0000ffff, + MGA_WR60, 0x0000ffff ); + + /* Padding required to to hardware bug. */ - PRIMOUTREG(MGAREG_WIADDR2, WIA_wmode_suspend); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - - if (pipe & MGA_T2) { - PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001e09); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0x1e000000); + DMA_BLOCK( MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] | + MGA_WMODE_START | + MGA_WAGP_ENABLE) ); + + ADVANCE_DMA(); +} + +static inline void mga_g400_emit_pipe( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int pipe = sarea_priv->warp_pipe; + DMA_LOCALS; + + BEGIN_DMA( 10 ); + + DMA_BLOCK( MGA_WIADDR2, MGA_WMODE_SUSPEND, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + if ( pipe & MGA_T2 ) { + DMA_BLOCK( MGA_WVRTXSZ, 0x00001e09, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x1e000000 ); } else { - if (dev_priv->WarpPipe & MGA_T2) { + if ( dev_priv->warp_pipe & MGA_T2 ) { /* Flush the WARP pipe */ - PRIMOUTREG(MGAREG_YDST, 0); - PRIMOUTREG(MGAREG_FXLEFT, 0); - PRIMOUTREG(MGAREG_FXRIGHT, 1); - PRIMOUTREG(MGAREG_DWGCTL, MGA_FLUSH_CMD); - - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 1); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); - PRIMOUTREG(MGAREG_TEXCTL2, 0x00008000); - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); - - PRIMOUTREG(MGAREG_TEXCTL2, 0x80 | 0x00008000); - PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0); - PRIMOUTREG(MGAREG_TEXCTL2, 0x00008000); - PRIMOUTREG(MGAREG_DMAPAD, 0); + DMA_BLOCK( MGA_YDST, 0x00000000, + MGA_FXLEFT, 0x00000000, + MGA_FXRIGHT, 0x00000001, + MGA_DWGCTL, MGA_DWGCTL_FLUSH ); + + DMA_BLOCK( MGA_LEN + MGA_EXEC, 0x00000001, + MGA_DWGSYNC, 0x00007000, + MGA_TEXCTL2, MGA_G400_TC2_MAGIC, + MGA_LEN + MGA_EXEC, 0x00000000 ); + + DMA_BLOCK( MGA_TEXCTL2, (MGA_DUALTEX | + MGA_G400_TC2_MAGIC), + MGA_LEN + MGA_EXEC, 0x00000000, + MGA_TEXCTL2, MGA_G400_TC2_MAGIC, + MGA_DMAPAD, 0x00000000 ); } - PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001807); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); + DMA_BLOCK( MGA_WVRTXSZ, 0x00001807, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0); - PRIMOUTREG(MGAREG_WACCEPTSEQ, 0x18000000); + DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x18000000 ); } - PRIMOUTREG(MGAREG_WFLAG, 0); - PRIMOUTREG(MGAREG_WFLAG1, 0); - PRIMOUTREG(MGAREG_WR56, MAGIC_FPARAM_HEX_VALUE); - PRIMOUTREG(MGAREG_DMAPAD, 0); - - PRIMOUTREG(MGAREG_WR49, 0); /* Tex stage 0 */ - PRIMOUTREG(MGAREG_WR57, 0); /* Tex stage 0 */ - PRIMOUTREG(MGAREG_WR53, 0); /* Tex stage 1 */ - PRIMOUTREG(MGAREG_WR61, 0); /* Tex stage 1 */ - - PRIMOUTREG(MGAREG_WR54, 0x40); /* Tex stage 0 : w */ - PRIMOUTREG(MGAREG_WR62, 0x40); /* Tex stage 0 : h */ - PRIMOUTREG(MGAREG_WR52, 0x40); /* Tex stage 1 : w */ - PRIMOUTREG(MGAREG_WR60, 0x40); /* Tex stage 1 : h */ - - /* Dma pading required due to hw bug */ - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_WIADDR2, - (u32) (dev_priv->WarpIndex[pipe]. - phys_addr | WIA_wmode_start | WIA_wagp_agp)); - PRIMADVANCE(dev_priv); + DMA_BLOCK( MGA_WFLAG, 0x00000000, + MGA_WFLAG1, 0x00000000, + MGA_WR56, MGA_G400_WR56_MAGIC, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_WR49, 0x00000000, /* tex0 */ + MGA_WR57, 0x00000000, /* tex0 */ + MGA_WR53, 0x00000000, /* tex1 */ + MGA_WR61, 0x00000000 ); /* tex1 */ + + DMA_BLOCK( MGA_WR54, MGA_G400_WR_MAGIC, /* tex0 width */ + MGA_WR62, MGA_G400_WR_MAGIC, /* tex0 height */ + MGA_WR52, MGA_G400_WR_MAGIC, /* tex1 width */ + MGA_WR60, MGA_G400_WR_MAGIC ); /* tex1 height */ + + /* Padding required to to hardware bug */ + DMA_BLOCK( MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] | + MGA_WMODE_START | + MGA_WAGP_ENABLE) ); + + ADVANCE_DMA(); } -static void mgaG200EmitPipe(drm_mga_private_t * dev_priv) +static void mga_g200_emit_state( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int pipe = sarea_priv->WarpPipe; - PRIMLOCALS; - - PRIMGETPTR(dev_priv); - - /* This takes 15 dwords */ - - PRIMOUTREG(MGAREG_WIADDR, WIA_wmode_suspend); - PRIMOUTREG(MGAREG_WVRTXSZ, 7); - PRIMOUTREG(MGAREG_WFLAG, 0); - PRIMOUTREG(MGAREG_WR24, 0); /* tex w/h */ + unsigned int dirty = sarea_priv->dirty; - PRIMOUTREG(MGAREG_WR25, 0x100); - PRIMOUTREG(MGAREG_WR34, 0); /* tex w/h */ - PRIMOUTREG(MGAREG_WR42, 0xFFFF); - PRIMOUTREG(MGAREG_WR60, 0xFFFF); + if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) { + mga_g200_emit_pipe( dev_priv ); + dev_priv->warp_pipe = sarea_priv->warp_pipe; + } - /* Dma pading required due to hw bug */ - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff); - PRIMOUTREG(MGAREG_WIADDR, - (u32) (dev_priv->WarpIndex[pipe]. - phys_addr | WIA_wmode_start | WIA_wagp_agp)); + if ( dirty & MGA_UPLOAD_CONTEXT ) { + mga_g200_emit_context( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT; + } - PRIMADVANCE( dev_priv ); + if ( dirty & MGA_UPLOAD_TEX0 ) { + mga_g200_emit_tex0( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; + } } -static void mgaEmitState(drm_mga_private_t * dev_priv) +static void mga_g400_emit_state( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int dirty = sarea_priv->dirty; + int multitex = sarea_priv->warp_pipe & MGA_T2; - if (dev_priv->chipset == MGA_CARD_TYPE_G400) { - int multitex = sarea_priv->WarpPipe & MGA_T2; - - if (sarea_priv->WarpPipe != dev_priv->WarpPipe) { - mgaG400EmitPipe(dev_priv); - dev_priv->WarpPipe = sarea_priv->WarpPipe; - } - - if (dirty & MGA_UPLOAD_CTX) { - mgaEmitContext(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_CTX; - } - - if (dirty & MGA_UPLOAD_TEX0) { - mgaG400EmitTex0(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; - } + if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) { + mga_g400_emit_pipe( dev_priv ); + dev_priv->warp_pipe = sarea_priv->warp_pipe; + } - if ((dirty & MGA_UPLOAD_TEX1) && multitex) { - mgaG400EmitTex1(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_TEX1; - } - } else { - if (sarea_priv->WarpPipe != dev_priv->WarpPipe) { - mgaG200EmitPipe(dev_priv); - dev_priv->WarpPipe = sarea_priv->WarpPipe; - } + if ( dirty & MGA_UPLOAD_CONTEXT ) { + mga_g400_emit_context( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT; + } - if (dirty & MGA_UPLOAD_CTX) { - mgaEmitContext(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_CTX; - } + if ( dirty & MGA_UPLOAD_TEX0 ) { + mga_g400_emit_tex0( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; + } - if (dirty & MGA_UPLOAD_TEX0) { - mgaG200EmitTex(dev_priv); - sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; - } + if ( (dirty & MGA_UPLOAD_TEX1) && multitex ) { + mga_g400_emit_tex1( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX1; } } + +/* ================================================================ + * SAREA state verification + */ + /* Disallow all write destinations except the front and backbuffer. */ -static int mgaVerifyContext(drm_mga_private_t * dev_priv) +static int mga_verify_context( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - - if (regs[MGA_CTXREG_DSTORG] != dev_priv->frontOffset && - regs[MGA_CTXREG_DSTORG] != dev_priv->backOffset) { - DRM_DEBUG("BAD DSTORG: %x (front %x, back %x)\n\n", - regs[MGA_CTXREG_DSTORG], dev_priv->frontOffset, - dev_priv->backOffset); - regs[MGA_CTXREG_DSTORG] = 0; - return -1; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + + if ( ctx->dstorg != dev_priv->front_offset && + ctx->dstorg != dev_priv->back_offset ) { + DRM_DEBUG( "*** bad DSTORG: %x (front %x, back %x)\n\n", + ctx->dstorg, dev_priv->front_offset, + dev_priv->back_offset ); + ctx->dstorg = 0; + return -EINVAL; } return 0; @@ -424,720 +420,642 @@ static int mgaVerifyContext(drm_mga_private_t * dev_priv) /* Disallow texture reads from PCI space. */ -static int mgaVerifyTex(drm_mga_private_t * dev_priv, int unit) +static int mga_verify_tex( drm_mga_private_t *dev_priv, int unit ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[unit]; + unsigned int org; - if ((sarea_priv->TexState[unit][MGA_TEXREG_ORG] & 0x3) == 0x1) { - DRM_DEBUG("BAD TEXREG_ORG: %x, unit %d\n", - sarea_priv->TexState[unit][MGA_TEXREG_ORG], - unit); - sarea_priv->TexState[unit][MGA_TEXREG_ORG] = 0; - return -1; + org = tex->texorg & (MGA_TEXORGMAP_MASK | MGA_TEXORGACC_MASK); + + if ( org == (MGA_TEXORGMAP_SYSMEM | MGA_TEXORGACC_PCI) ) { + DRM_DEBUG( "*** bad TEXORG: 0x%x, unit %d\n", + tex->texorg, unit ); + tex->texorg = 0; + return -EINVAL; } return 0; } -static int mgaVerifyState(drm_mga_private_t * dev_priv) +static int mga_verify_state( drm_mga_private_t *dev_priv ) { drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; unsigned int dirty = sarea_priv->dirty; - int rv = 0; + int ret = 0; - if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) + if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS ) sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; - if (dirty & MGA_UPLOAD_CTX) - rv |= mgaVerifyContext(dev_priv); + if ( dirty & MGA_UPLOAD_CONTEXT ) + ret |= mga_verify_context( dev_priv ); - if (dirty & MGA_UPLOAD_TEX0) - rv |= mgaVerifyTex(dev_priv, 0); + if ( dirty & MGA_UPLOAD_TEX0 ) + ret |= mga_verify_tex( dev_priv, 0 ); - if (dev_priv->chipset == MGA_CARD_TYPE_G400) { - if (dirty & MGA_UPLOAD_TEX1) - rv |= mgaVerifyTex(dev_priv, 1); + if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { + if ( dirty & MGA_UPLOAD_TEX1 ) + ret |= mga_verify_tex( dev_priv, 1 ); - if (dirty & MGA_UPLOAD_PIPE) - rv |= (sarea_priv->WarpPipe > MGA_MAX_G400_PIPES); + if ( dirty & MGA_UPLOAD_PIPE ) + ret |= ( sarea_priv->warp_pipe > MGA_MAX_G400_PIPES ); } else { - if (dirty & MGA_UPLOAD_PIPE) - rv |= (sarea_priv->WarpPipe > MGA_MAX_G200_PIPES); + if ( dirty & MGA_UPLOAD_PIPE ) + ret |= ( sarea_priv->warp_pipe > MGA_MAX_G200_PIPES ); } - return rv == 0; + return ( ret == 0 ); } -static int mgaVerifyIload(drm_mga_private_t * dev_priv, - unsigned long bus_address, - unsigned int dstOrg, int length) +static int mga_verify_iload( drm_mga_private_t *dev_priv, + unsigned int dstorg, unsigned int length ) { - if (dstOrg < dev_priv->textureOffset || - dstOrg + length > - (dev_priv->textureOffset + dev_priv->textureSize)) { + if ( dstorg < dev_priv->texture_offset || + dstorg + length > (dev_priv->texture_offset + + dev_priv->texture_size) ) { return -EINVAL; } - if (length % 64) { + + if ( length & MGA_ILOAD_MASK ) { + return -EINVAL; + } + + return 0; +} + +static int mga_verify_blit( drm_mga_private_t *dev_priv, + unsigned int srcorg, unsigned int dstorg ) +{ + if ( (srcorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) || + (dstorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) ) { return -EINVAL; } return 0; } -/* This copies a 64 byte aligned agp region to the frambuffer - * with a standard blit, the ioctl needs to do checking */ -static void mga_dma_dispatch_tex_blit(drm_device_t * dev, - unsigned long bus_address, - int length, unsigned int destOrg) +/* ================================================================ + * + */ + +static void mga_dma_dispatch_clear( drm_device_t *dev, + drm_mga_clear_t *clear ) { drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - int use_agp = PDEA_pagpxfer_enable | 0x00000001; - u16 y2; - PRIMLOCALS; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int nbox = sarea_priv->nbox; + int i; + DMA_LOCALS; + DRM_DEBUG( __FUNCTION__ ":\n" ); - y2 = length / 64; + for ( i = 0 ; i < nbox ; i++ ) { + drm_clip_rect_t *box = &pbox[i]; + u32 height = box->y2 - box->y1; + + if ( clear->flags & MGA_FRONT ) { + BEGIN_DMA( 2 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, clear->color_mask, + MGA_YDSTLEN, (box->y1 << 16) | height, + MGA_FXBNDRY, (box->x2 << 16) | box->x1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_FCOL, clear->clear_color, + MGA_DSTORG, dev_priv->front_offset, + MGA_DWGCTL + MGA_EXEC, + dev_priv->clear_cmd ); + + ADVANCE_DMA(); + } - PRIM_OVERFLOW(dev, dev_priv, 30); - PRIMOUTREG(MGAREG_DSTORG, destOrg); - PRIMOUTREG(MGAREG_MACCESS, 0x00000000); - PRIMOUTREG(MGAREG_SRCORG, (u32) bus_address | use_agp); - PRIMOUTREG(MGAREG_AR5, 64); + if ( clear->flags & MGA_BACK ) { + BEGIN_DMA( 2 ); - PRIMOUTREG(MGAREG_PITCH, 64); - PRIMOUTREG(MGAREG_PLNWT, ~0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, clear->color_mask, + MGA_YDSTLEN, (box->y1 << 16) | height, + MGA_FXBNDRY, (box->x2 << 16) | box->x1 ); - PRIMOUTREG(MGAREG_AR0, 63); - PRIMOUTREG(MGAREG_AR3, 0); - PRIMOUTREG(MGAREG_FXBNDRY, (63 << 16)); - PRIMOUTREG(MGAREG_YDSTLEN + MGAREG_MGA_EXEC, y2); + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_FCOL, clear->clear_color, + MGA_DSTORG, dev_priv->back_offset, + MGA_DWGCTL + MGA_EXEC, + dev_priv->clear_cmd ); - PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); - PRIMOUTREG(MGAREG_SRCORG, 0); - PRIMOUTREG(MGAREG_PITCH, dev_priv->stride / dev_priv->cpp); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); - PRIMADVANCE(dev_priv); + ADVANCE_DMA(); + } + + if ( clear->flags & MGA_DEPTH ) { + BEGIN_DMA( 2 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, clear->depth_mask, + MGA_YDSTLEN, (box->y1 << 16) | height, + MGA_FXBNDRY, (box->x2 << 16) | box->x1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_FCOL, clear->clear_depth, + MGA_DSTORG, dev_priv->depth_offset, + MGA_DWGCTL + MGA_EXEC, + dev_priv->clear_cmd ); + + ADVANCE_DMA(); + } + + } + + BEGIN_DMA( 1 ); + + /* Force reset of DWGCTL */ + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_PLNWT, ctx->plnwt, + MGA_DWGCTL, ctx->dwgctl ); + + ADVANCE_DMA(); + + FLUSH_DMA(); } -static void mga_dma_dispatch_vertex(drm_device_t * dev, drm_buf_t * buf) +static void mga_dma_dispatch_swap( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int nbox = sarea_priv->nbox; + int i; + DMA_LOCALS; + DRM_DEBUG( __FUNCTION__ ":\n" ); + DRM_DEBUG( " head = 0x%06x\n", *dev_priv->prim.head ); + + sarea_priv->last_frame.head = dev_priv->prim.tail; + sarea_priv->last_frame.wrap = dev_priv->prim.last_wrap; + + DRM_DEBUG( " tail = 0x%06x\n", dev_priv->prim.tail ); + DRM_DEBUG( " wrap = 0x%06x\n", dev_priv->prim.last_wrap ); + + BEGIN_DMA( 4 + nbox ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DWGSYNC, 0x00007100, + MGA_DWGSYNC, 0x00007000 ); + + DMA_BLOCK( MGA_DSTORG, dev_priv->front_offset, + MGA_MACCESS, dev_priv->maccess, + MGA_SRCORG, dev_priv->back_offset, + MGA_AR5, dev_priv->front_pitch ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_PLNWT, 0xffffffff, + MGA_DWGCTL, MGA_DWGCTL_COPY ); + + for ( i = 0 ; i < nbox ; i++ ) { + drm_clip_rect_t *box = &pbox[i]; + u32 height = box->y2 - box->y1; + u32 start = box->y1 * dev_priv->front_pitch; + + DMA_BLOCK( MGA_AR0, start + box->x2 - 1, + MGA_AR3, start + box->x1, + MGA_FXBNDRY, ((box->x2 - 1) << 16) | box->x1, + MGA_YDSTLEN + MGA_EXEC, + (box->y1 << 16) | height ); + } + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, ctx->plnwt, + MGA_SRCORG, dev_priv->front_offset, + MGA_DWGCTL, ctx->dwgctl ); + + ADVANCE_DMA(); + + FLUSH_DMA(); + + DRM_DEBUG( "%s... done.\n", __FUNCTION__ ); +} + +static void mga_dma_dispatch_vertex( drm_device_t *dev, drm_buf_t *buf ) { drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_buf_priv_t *buf_priv = buf->dev_private; drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned long address = (unsigned long) buf->bus_address; - int length = buf->used; - int use_agp = PDEA_pagpxfer_enable; + u32 address = (u32) buf->bus_address; + u32 length = (u32) buf->used; int i = 0; - PRIMLOCALS; + DMA_LOCALS; + DRM_DEBUG( "vertex: buf=%d used=%d\n", buf->idx, buf->used ); - if (buf->used) { - /* WARNING: if you change any of the state functions verify - * these numbers (Overestimating this doesn't hurt). - */ + if ( buf->used ) { buf_priv->dispatched = 1; - PRIM_OVERFLOW(dev, dev_priv, - (MAX_STATE_SIZE + (5 * MGA_NR_SAREA_CLIPRECTS))); - mgaEmitState(dev_priv); -#if 0 - length = dev_priv->vertexsize * 3 * 4; -#endif + MGA_EMIT_STATE( dev_priv, sarea_priv->dirty ); do { - if (i < sarea_priv->nbox) { - mgaEmitClipRect(dev_priv, - &sarea_priv->boxes[i]); + if ( i < sarea_priv->nbox ) { + mga_emit_clip_rect( dev_priv, + &sarea_priv->boxes[i] ); } - PRIMGETPTR(dev_priv); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_SECADDRESS, - ((u32) address) | TT_VERTEX); - PRIMOUTREG(MGAREG_SECEND, - (((u32) (address + length)) | use_agp)); - PRIMADVANCE(dev_priv); - } while (++i < sarea_priv->nbox); + BEGIN_DMA( 1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_SECADDRESS, (address | + MGA_DMA_VERTEX), + MGA_SECEND, ((address + length) | + MGA_PAGPXFER) ); + + ADVANCE_DMA(); + } while ( ++i < sarea_priv->nbox ); } - if (buf_priv->discard) { - if (buf_priv->dispatched == 1) - AGEBUF(dev_priv, buf_priv); + + if ( buf_priv->discard ) { + AGE_BUFFER( buf_priv ); + buf->pending = 0; + buf->used = 0; buf_priv->dispatched = 0; - mga_freelist_put(dev, buf); - } + mga_freelist_put( dev, buf ); + } + FLUSH_DMA(); } - -static void mga_dma_dispatch_indices(drm_device_t * dev, - drm_buf_t * buf, - unsigned int start, unsigned int end) +static void mga_dma_dispatch_indices( drm_device_t *dev, drm_buf_t *buf, + unsigned int start, unsigned int end ) { drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_buf_priv_t *buf_priv = buf->dev_private; drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int address = (unsigned int) buf->bus_address; - int use_agp = PDEA_pagpxfer_enable; + u32 address = (u32) buf->bus_address; int i = 0; - PRIMLOCALS; + DMA_LOCALS; + DRM_DEBUG( "indices: buf=%d start=%d end=%d\n", buf->idx, start, end ); - if (start != end) { - /* WARNING: if you change any of the state functions verify - * these numbers (Overestimating this doesn't hurt). - */ + if ( start != end ) { buf_priv->dispatched = 1; - PRIM_OVERFLOW(dev, dev_priv, - (MAX_STATE_SIZE + (5 * MGA_NR_SAREA_CLIPRECTS))); - mgaEmitState(dev_priv); + + MGA_EMIT_STATE( dev_priv, sarea_priv->dirty ); do { - if (i < sarea_priv->nbox) { - mgaEmitClipRect(dev_priv, - &sarea_priv->boxes[i]); + if ( i < sarea_priv->nbox ) { + mga_emit_clip_rect( dev_priv, + &sarea_priv->boxes[i] ); } - PRIMGETPTR(dev_priv); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_SETUPADDRESS, - ((address + start) | - SETADD_mode_vertlist)); - PRIMOUTREG(MGAREG_SETUPEND, - ((address + end) | use_agp)); -/* ((address + start + 12) | use_agp)); */ - PRIMADVANCE(dev_priv); - } while (++i < sarea_priv->nbox); - } - if (buf_priv->discard) { - if (buf_priv->dispatched == 1) - AGEBUF(dev_priv, buf_priv); - buf_priv->dispatched = 0; - mga_freelist_put(dev, buf); - } -} + BEGIN_DMA( 1 ); + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_SETUPADDRESS, address + start, + MGA_SETUPEND, ((address + end) | + MGA_PAGPXFER) ); -static void mga_dma_dispatch_clear(drm_device_t * dev, int flags, - unsigned int clear_color, - unsigned int clear_zval, - unsigned int clear_colormask, - unsigned int clear_depthmask) -{ - drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - int nbox = sarea_priv->nbox; - drm_clip_rect_t *pbox = sarea_priv->boxes; - unsigned int cmd; - int i; - PRIMLOCALS; - - if (dev_priv->sgram) - cmd = MGA_CLEAR_CMD | DC_atype_blk; - else - cmd = MGA_CLEAR_CMD | DC_atype_rstr; - - PRIM_OVERFLOW(dev, dev_priv, 35 * MGA_NR_SAREA_CLIPRECTS); - - for (i = 0; i < nbox; i++) { - unsigned int height = pbox[i].y2 - pbox[i].y1; - - if (flags & MGA_FRONT) { - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, clear_colormask); - PRIMOUTREG(MGAREG_YDSTLEN, - (pbox[i].y1 << 16) | height); - PRIMOUTREG(MGAREG_FXBNDRY, - (pbox[i].x2 << 16) | pbox[i].x1); - - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_FCOL, clear_color); - PRIMOUTREG(MGAREG_DSTORG, dev_priv->frontOffset); - PRIMOUTREG(MGAREG_DWGCTL + MGAREG_MGA_EXEC, cmd); - } + ADVANCE_DMA(); + } while ( ++i < sarea_priv->nbox ); + } - if (flags & MGA_BACK) { - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, clear_colormask); - PRIMOUTREG(MGAREG_YDSTLEN, - (pbox[i].y1 << 16) | height); - PRIMOUTREG(MGAREG_FXBNDRY, - (pbox[i].x2 << 16) | pbox[i].x1); - - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_FCOL, clear_color); - PRIMOUTREG(MGAREG_DSTORG, dev_priv->backOffset); - PRIMOUTREG(MGAREG_DWGCTL + MGAREG_MGA_EXEC, cmd); - } + if ( buf_priv->discard ) { + AGE_BUFFER( buf_priv ); + buf->pending = 0; + buf->used = 0; + buf_priv->dispatched = 0; - if (flags & MGA_DEPTH) { - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, clear_depthmask); - PRIMOUTREG(MGAREG_YDSTLEN, - (pbox[i].y1 << 16) | height); - PRIMOUTREG(MGAREG_FXBNDRY, - (pbox[i].x2 << 16) | pbox[i].x1); - - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_FCOL, clear_zval); - PRIMOUTREG(MGAREG_DSTORG, dev_priv->depthOffset); - PRIMOUTREG(MGAREG_DWGCTL + MGAREG_MGA_EXEC, cmd); - } + mga_freelist_put( dev, buf ); } - /* Force reset of DWGCTL */ - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); - PRIMADVANCE(dev_priv); + FLUSH_DMA(); } -static void mga_dma_dispatch_swap(drm_device_t * dev) +/* This copies a 64 byte aligned agp region to the frambuffer with a + * standard blit, the ioctl needs to do checking. + */ +static void mga_dma_dispatch_iload( drm_device_t *dev, drm_buf_t *buf, + unsigned int dstorg, unsigned int length ) { drm_mga_private_t *dev_priv = dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - int nbox = sarea_priv->nbox; - drm_clip_rect_t *pbox = sarea_priv->boxes; - int i; - int pixel_stride = dev_priv->stride / dev_priv->cpp; + drm_mga_buf_priv_t *buf_priv = buf->dev_private; + drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state; + u32 srcorg = buf->bus_address | MGA_SRCACC_AGP | MGA_SRCMAP_SYSMEM; + u32 y2; + DMA_LOCALS; + DRM_DEBUG( "%s: buf=%d used=%d\n", + __FUNCTION__, buf->idx, buf->used ); - PRIMLOCALS; + y2 = length / 64; - PRIM_OVERFLOW(dev, dev_priv, (MGA_NR_SAREA_CLIPRECTS * 5) + 20); + BEGIN_DMA( 4 ); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7100); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); + DMA_BLOCK( MGA_DSTORG, dstorg, + MGA_MACCESS, 0x00000000, + MGA_SRCORG, srcorg, + MGA_AR5, 64 ); - PRIMOUTREG(MGAREG_DSTORG, dev_priv->frontOffset); - PRIMOUTREG(MGAREG_MACCESS, dev_priv->mAccess); - PRIMOUTREG(MGAREG_SRCORG, dev_priv->backOffset); - PRIMOUTREG(MGAREG_AR5, pixel_stride); + DMA_BLOCK( MGA_PITCH, 64, + MGA_PLNWT, 0xffffffff, + MGA_DMAPAD, 0x00000000, + MGA_DWGCTL, MGA_DWGCTL_COPY ); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, ~0); - PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); + DMA_BLOCK( MGA_AR0, 63, + MGA_AR3, 0, + MGA_FXBNDRY, (63 << 16) | 0, + MGA_YDSTLEN + MGA_EXEC, y2 ); - for (i = 0; i < nbox; i++) { - unsigned int h = pbox[i].y2 - pbox[i].y1; - unsigned int start = pbox[i].y1 * pixel_stride; + DMA_BLOCK( MGA_PLNWT, ctx->plnwt, + MGA_SRCORG, dev_priv->front_offset, + MGA_PITCH, dev_priv->front_pitch, + MGA_DWGSYNC, 0x00007000 ); - PRIMOUTREG(MGAREG_AR0, start + pbox[i].x2 - 1); - PRIMOUTREG(MGAREG_AR3, start + pbox[i].x1); - PRIMOUTREG(MGAREG_FXBNDRY, - pbox[i].x1 | ((pbox[i].x2 - 1) << 16)); - PRIMOUTREG(MGAREG_YDSTLEN + MGAREG_MGA_EXEC, - (pbox[i].y1 << 16) | h); - } + ADVANCE_DMA(); - /* Force reset of DWGCTL */ - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); - PRIMOUTREG(MGAREG_SRCORG, 0); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); + AGE_BUFFER( buf_priv ); + + buf->pending = 0; + buf->used = 0; + buf_priv->dispatched = 0; - PRIMADVANCE(dev_priv); + mga_freelist_put( dev, buf ); + + FLUSH_DMA(); } -/* #define BLIT_LEFT 1 */ -/* #define BLIT_UP 4 */ - -static void mga_dma_dispatch_blit(drm_device_t * dev, - unsigned int planemask, - unsigned int source, - unsigned int dest, - int delta_sx, int delta_sy, - int delta_dx, int delta_dy, - int source_pitch, - int dest_pitch, - int height, - int ydir) +static void mga_dma_dispatch_blit( drm_device_t *dev, + drm_mga_blit_t *blit ) { drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - unsigned int *regs = sarea_priv->ContextState; - int nbox = sarea_priv->nbox; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; drm_clip_rect_t *pbox = sarea_priv->boxes; - int pixel_stride = dev_priv->stride / dev_priv->cpp; + int nbox = sarea_priv->nbox; u32 scandir = 0, i; - - PRIMLOCALS; - - PRIM_OVERFLOW(dev, dev_priv, (MGA_NR_SAREA_CLIPRECTS * 5) + 20); - - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7100); - PRIMOUTREG(MGAREG_DWGSYNC, 0x7000); - - PRIMOUTREG(MGAREG_DWGCTL, MGA_COPY_CMD); - PRIMOUTREG(MGAREG_PLNWT, planemask); - PRIMOUTREG(MGAREG_SRCORG, source); - PRIMOUTREG(MGAREG_DSTORG, dest); - - PRIMOUTREG(MGAREG_SGN, scandir); - PRIMOUTREG(MGAREG_MACCESS, dev_priv->mAccess); - PRIMOUTREG(MGAREG_AR5, ydir * source_pitch); - PRIMOUTREG(MGAREG_PITCH, dest_pitch); - - for (i = 0; i < nbox; i++) { - int srcx = pbox[i].x1 + delta_sx; - int srcy = pbox[i].y1 + delta_sy; - int dstx = pbox[i].x1 + delta_dx; - int dsty = pbox[i].y1 + delta_dy; + DMA_LOCALS; + DRM_DEBUG( __FUNCTION__ ":\n" ); + + BEGIN_DMA( 4 + nbox ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DWGSYNC, 0x00007100, + MGA_DWGSYNC, 0x00007000 ); + + DMA_BLOCK( MGA_DWGCTL, MGA_DWGCTL_COPY, + MGA_PLNWT, blit->planemask, + MGA_SRCORG, blit->srcorg, + MGA_DSTORG, blit->dstorg ); + + DMA_BLOCK( MGA_SGN, scandir, + MGA_MACCESS, dev_priv->maccess, + MGA_AR5, blit->ydir * blit->src_pitch, + MGA_PITCH, blit->dst_pitch ); + + for ( i = 0 ; i < nbox ; i++ ) { + int srcx = pbox[i].x1 + blit->delta_sx; + int srcy = pbox[i].y1 + blit->delta_sy; + int dstx = pbox[i].x1 + blit->delta_dx; + int dsty = pbox[i].y1 + blit->delta_dy; int h = pbox[i].y2 - pbox[i].y1; int w = pbox[i].x2 - pbox[i].x1 - 1; int start; - if (ydir == -1) { - srcy = height - srcy - 1; + if ( blit->ydir == -1 ) { + srcy = blit->height - srcy - 1; } - start = srcy * source_pitch + srcx; + start = srcy * blit->src_pitch + srcx; - PRIMOUTREG(MGAREG_AR0, start + w); - PRIMOUTREG(MGAREG_AR3, start); - PRIMOUTREG(MGAREG_FXBNDRY, ((dstx+w) << 16) | (dstx & 0xffff)); - PRIMOUTREG(MGAREG_YDSTLEN + MGAREG_MGA_EXEC, (dsty << 16) | h); + DMA_BLOCK( MGA_AR0, start + w, + MGA_AR3, start, + MGA_FXBNDRY, ((dstx + w) << 16) | (dstx & 0xffff), + MGA_YDSTLEN + MGA_EXEC, (dsty << 16) | h ); } /* Do something to flush AGP? */ /* Force reset of DWGCTL */ - PRIMOUTREG(MGAREG_DMAPAD, 0); - PRIMOUTREG(MGAREG_PLNWT, regs[MGA_CTXREG_PLNWT]); - PRIMOUTREG(MGAREG_PITCH, pixel_stride); - PRIMOUTREG(MGAREG_DWGCTL, regs[MGA_CTXREG_DWGCTL]); + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, ctx->plnwt, + MGA_PITCH, dev_priv->front_pitch, + MGA_DWGCTL, ctx->dwgctl ); - PRIMADVANCE(dev_priv); + ADVANCE_DMA(); } -int mga_blit(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +/* ================================================================ + * + */ + +int mga_dma_clear( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; + drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_blit_t blit; + drm_mga_clear_t clear; - if (copy_from_user(&blit, (drm_mga_blit_t *) arg, sizeof(blit))) - return -EFAULT; - - DRM_DEBUG("%s\n", __FUNCTION__); + LOCK_TEST_WITH_RETURN( dev ); - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("mga_blit_bufs called without lock held\n"); - return -EINVAL; - } + if ( copy_from_user( &clear, (drm_mga_clear_t *) arg, sizeof(clear) ) ) + return -EFAULT; - if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) + if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS ) sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; - /* Make sure we restore the 3D state next time. - */ - dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX; - - if ((blit.source & 0x3) != (SO_srcmap_sys|SO_srcacc_pci) && - (blit.dest & 0x3) != (SO_srcmap_sys|SO_srcacc_pci)) - { - mga_dma_dispatch_blit(dev, - blit.planemask, - blit.source, - blit.dest, - blit.delta_sx, blit.delta_sy, - blit.delta_dx, blit.delta_dy, - blit.source_pitch, - blit.dest_pitch, - blit.height, - blit.ydir); - } + WRAP_TEST_WITH_RETURN( dev_priv ); + mga_dma_dispatch_clear( dev, &clear ); - PRIMUPDATE(dev_priv); + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; -#ifdef __i386__ - mga_flush_write_combine(); -#endif - mga_dma_schedule(dev, 1); return 0; } - -int mga_clear_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int mga_dma_swap( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; + drm_mga_private_t *dev_priv = dev->dev_private; drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - drm_mga_clear_t clear; - if (copy_from_user(&clear, (drm_mga_clear_t *) arg, sizeof(clear))) - return -EFAULT; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("mga_clear_bufs called without lock held\n"); - return -EINVAL; - } + LOCK_TEST_WITH_RETURN( dev ); - if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) + if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS ) sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; - /* Make sure we restore the 3D state next time. - */ - dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX; - mga_dma_dispatch_clear(dev, clear.flags, - clear.clear_color, - clear.clear_depth, - clear.clear_color_mask, - clear.clear_depth_mask); - PRIMUPDATE(dev_priv); - mga_flush_write_combine(); - mga_dma_schedule(dev, 1); - return 0; -} + WRAP_TEST_WITH_RETURN( dev_priv ); -int mga_swap_bufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("mga_swap_bufs called without lock held\n"); - return -EINVAL; - } - - if (sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS) - sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; + mga_dma_dispatch_swap( dev ); /* Make sure we restore the 3D state next time. */ - dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX; - mga_dma_dispatch_swap(dev); - PRIMUPDATE(dev_priv); - set_bit(MGA_BUF_SWAP_PENDING, - &dev_priv->current_prim->buffer_status); - mga_flush_write_combine(); - mga_dma_schedule(dev, 1); + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; + return 0; } -int mga_iload(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int mga_dma_vertex( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; + drm_mga_private_t *dev_priv = dev->dev_private; drm_device_dma_t *dma = dev->dma; - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; - drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; drm_buf_t *buf; drm_mga_buf_priv_t *buf_priv; - drm_mga_iload_t iload; - unsigned long bus_address; + drm_mga_vertex_t vertex; - if (copy_from_user(&iload, (drm_mga_iload_t *) arg, sizeof(iload))) - return -EFAULT; + LOCK_TEST_WITH_RETURN( dev ); - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("mga_iload called without lock held\n"); - return -EINVAL; - } + if ( copy_from_user( &vertex, + (drm_mga_vertex_t *)arg, + sizeof(vertex) ) ) + return -EFAULT; - buf = dma->buflist[iload.idx]; + buf = dma->buflist[vertex.idx]; buf_priv = buf->dev_private; - bus_address = buf->bus_address; - if (mgaVerifyIload(dev_priv, - bus_address, iload.destOrg, iload.length)) { - mga_freelist_put(dev, buf); + buf->used = vertex.used; + buf_priv->discard = vertex.discard; + + if ( !mga_verify_state( dev_priv ) ) { + if ( vertex.discard ) { + if ( buf_priv->dispatched == 1 ) + AGE_BUFFER( buf_priv ); + buf_priv->dispatched = 0; + mga_freelist_put( dev, buf ); + } return -EINVAL; } - sarea_priv->dirty |= MGA_UPLOAD_CTX; + WRAP_TEST_WITH_RETURN( dev_priv ); + + mga_dma_dispatch_vertex( dev, buf ); - mga_dma_dispatch_tex_blit(dev, bus_address, iload.length, - iload.destOrg); - AGEBUF(dev_priv, buf_priv); - buf_priv->discard = 1; - mga_freelist_put(dev, buf); - mga_flush_write_combine(); - mga_dma_schedule(dev, 1); return 0; } -int mga_vertex(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int mga_dma_indices( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; + drm_mga_private_t *dev_priv = dev->dev_private; drm_device_dma_t *dma = dev->dma; drm_buf_t *buf; drm_mga_buf_priv_t *buf_priv; - drm_mga_vertex_t vertex; + drm_mga_indices_t indices; - if (copy_from_user(&vertex, (drm_mga_vertex_t *) arg, sizeof(vertex))) - return -EFAULT; + LOCK_TEST_WITH_RETURN( dev ); - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("mga_vertex called without lock held\n"); - return -EINVAL; - } + if ( copy_from_user( &indices, + (drm_mga_indices_t *)arg, + sizeof(indices) ) ) + return -EFAULT; - buf = dma->buflist[vertex.idx]; + buf = dma->buflist[indices.idx]; buf_priv = buf->dev_private; - buf->used = vertex.used; - buf_priv->discard = vertex.discard; + buf_priv->discard = indices.discard; - if (!mgaVerifyState(dev_priv)) { - if (vertex.discard) { - if (buf_priv->dispatched == 1) - AGEBUF(dev_priv, buf_priv); + if ( !mga_verify_state( dev_priv ) ) { + if ( indices.discard ) { + if ( buf_priv->dispatched == 1 ) + AGE_BUFFER( buf_priv ); buf_priv->dispatched = 0; - mga_freelist_put(dev, buf); + mga_freelist_put( dev, buf ); } return -EINVAL; } - mga_dma_dispatch_vertex(dev, buf); + WRAP_TEST_WITH_RETURN( dev_priv ); + + mga_dma_dispatch_indices( dev, buf, indices.start, indices.end ); - PRIMUPDATE(dev_priv); - mga_flush_write_combine(); - mga_dma_schedule(dev, 1); return 0; } - -int mga_indices(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int mga_dma_iload( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - drm_mga_private_t *dev_priv = - (drm_mga_private_t *) dev->dev_private; drm_device_dma_t *dma = dev->dma; + drm_mga_private_t *dev_priv = dev->dev_private; drm_buf_t *buf; drm_mga_buf_priv_t *buf_priv; - drm_mga_indices_t indices; + drm_mga_iload_t iload; + DRM_DEBUG( __FUNCTION__ ":\n" ); - if (copy_from_user(&indices, - (drm_mga_indices_t *)arg, sizeof(indices))) + LOCK_TEST_WITH_RETURN( dev ); + + if ( copy_from_user( &iload, (drm_mga_iload_t *)arg, sizeof(iload) ) ) return -EFAULT; - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("mga_indices called without lock held\n"); - return -EINVAL; - } + if ( mga_do_wait_for_idle( dev_priv ) < 0 ) + return -EBUSY; - buf = dma->buflist[indices.idx]; + buf = dma->buflist[iload.idx]; buf_priv = buf->dev_private; - buf_priv->discard = indices.discard; - - if (!mgaVerifyState(dev_priv)) { - if (indices.discard) { - if (buf_priv->dispatched == 1) - AGEBUF(dev_priv, buf_priv); - buf_priv->dispatched = 0; - mga_freelist_put(dev, buf); - } +#if 0 + DRM_INFO( " verifying iload...\n" ); + if ( mga_verify_iload( dev_priv, iload.dstorg, iload.length ) ) { + mga_freelist_put( dev, buf ); return -EINVAL; } + DRM_INFO( " verifying iload... done.\n" ); +#endif - mga_dma_dispatch_indices(dev, buf, indices.start, indices.end); - - PRIMUPDATE(dev_priv); - mga_flush_write_combine(); - mga_dma_schedule(dev, 1); - return 0; -} - + WRAP_TEST_WITH_RETURN( dev_priv ); + mga_dma_dispatch_iload( dev, buf, iload.dstorg, iload.length ); -static int mga_dma_get_buffers(drm_device_t * dev, drm_dma_t * d) -{ - int i; - drm_buf_t *buf; + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; - for (i = d->granted_count; i < d->request_count; i++) { - buf = mga_freelist_get(dev); - if (!buf) - break; - buf->pid = current->pid; - if (copy_to_user(&d->request_indices[i], - &buf->idx, sizeof(buf->idx))) - return -EFAULT; - if (copy_to_user(&d->request_sizes[i], - &buf->total, sizeof(buf->total))) - return -EFAULT; - ++d->granted_count; - } return 0; } -int mga_dma(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +int mga_dma_blit( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - drm_device_dma_t *dma = dev->dma; - int retcode = 0; - drm_dma_t d; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_blit_t blit; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + LOCK_TEST_WITH_RETURN( dev ); - if (copy_from_user(&d, (drm_dma_t *) arg, sizeof(d))) + if ( copy_from_user( &blit, (drm_mga_blit_t *)arg, sizeof(blit) ) ) return -EFAULT; - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("mga_dma called without lock held\n"); - return -EINVAL; - } + if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS ) + sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; - /* Please don't send us buffers. - */ - if (d.send_count != 0) { - DRM_ERROR - ("Process %d trying to send %d buffers via drmDMA\n", - current->pid, d.send_count); + if ( mga_verify_blit( dev_priv, blit.srcorg, blit.dstorg ) ) return -EINVAL; - } - /* We'll send you buffers. - */ - if (d.request_count < 0 || d.request_count > dma->buf_count) { - DRM_ERROR - ("Process %d trying to get %d buffers (of %d max)\n", - current->pid, d.request_count, dma->buf_count); - return -EINVAL; - } + WRAP_TEST_WITH_RETURN( dev_priv ); - d.granted_count = 0; + mga_dma_dispatch_blit( dev, &blit ); - if (d.request_count) { - retcode = mga_dma_get_buffers(dev, &d); - } + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; - if (copy_to_user((drm_dma_t *) arg, &d, sizeof(d))) - return -EFAULT; - return retcode; + return 0; } diff --git a/linux/mga_ucode.h b/linux/mga_ucode.h new file mode 100644 index 00000000..fa0f82ec --- /dev/null +++ b/linux/mga_ucode.h @@ -0,0 +1,11645 @@ +/* mga_ucode.h -- Matrox G200/G400 WARP engine microcode -*- linux-c -*- + * Created: Thu Jan 11 21:20:43 2001 by gareth@valinux.com + * + * Copyright 1999 Matrox Graphics Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * MATROX GRAPHICS INC., OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE + * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Kernel-based WARP engine management: + * Gareth Hughes <gareth@valinux.com> + */ + +/* + * WARP pipes are named according to the functions they perform, where: + * + * - T stands for computation of texture stage 0 + * - T2 stands for computation of both texture stage 0 and texture stage 1 + * - G stands for computation of triangle intensity (Gouraud interpolation) + * - Z stands for computation of Z buffer interpolation + * - S stands for computation of specular highlight + * - A stands for computation of the alpha channel + * - F stands for computation of vertex fog interpolation + */ + +static unsigned char warp_g200_tgz[] = { + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 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0xBD, +0x2D, 0x41, 0x51, 0xBD, + +0x0D, 0x80, 0x07, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x35, 0x40, 0x48, 0xBD, +0x3D, 0x40, 0x50, 0xBD, + +0x00, 0x80, 0x00, 0xE8, +0x25, 0x30, +0x2D, 0x30, + +0x35, 0x30, +0xB5, 0x30, +0xBD, 0x30, +0x3D, 0x30, + +0x9C, 0xA7, 0x5B, 0x9F, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x84, 0xFF, 0x0A, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0xC9, 0x41, 0xC8, 0xEC, +0x42, 0xE1, +0x00, 0xE0, + +0x82, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0xC8, 0x40, 0xC0, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x7F, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +}; + +static unsigned char warp_g200_tgza[] = { + +0x00, 0x98, 0xA0, 0xE9, +0x40, 0x40, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, 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0x36, 0x20, 0xE9, + +0x00, 0x80, 0xA0, 0xE9, +0x40, 0x40, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x90, 0xE2, +0x00, 0xE0, + +0x7A, 0xFF, 0x20, 0xEA, +0x19, 0xC8, 0xC1, 0xCD, + +0x1F, 0xD7, 0x18, 0xBD, +0x3F, 0xD7, 0x22, 0xBD, + +0x9F, 0x41, 0x49, 0xBD, +0x00, 0x80, 0x00, 0xE8, + +0x25, 0x41, 0x49, 0xBD, +0x2D, 0x41, 0x51, 0xBD, + +0x0D, 0x80, 0x07, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x35, 0x40, 0x48, 0xBD, +0x3D, 0x40, 0x50, 0xBD, + +0x00, 0x80, 0x00, 0xE8, +0x25, 0x30, +0x2D, 0x30, + +0x35, 0x30, +0xB5, 0x30, +0xBD, 0x30, +0x3D, 0x30, + +0x9C, 0xA7, 0x5B, 0x9F, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x79, 0xFF, 0x0A, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0xC9, 0x41, 0xC8, 0xEC, +0x42, 0xE1, +0x00, 0xE0, + +0x77, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0xC8, 0x40, 0xC0, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x74, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +}; + +static unsigned char warp_g200_tgzaf[] = { + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x98, 0xA0, 0xE9, +0x40, 0x40, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x1F, 0xD7, 0x18, 0xBD, +0x3F, 0xD7, 0x22, 0xBD, + +0x81, 0x04, +0x89, 0x04, +0x01, 0x04, +0x09, 0x04, + +0xC9, 0x41, 0xC0, 0xEC, +0x11, 0x04, +0x00, 0xE0, + +0x41, 0xCC, 0x41, 0xCD, +0x49, 0xCC, 0x49, 0xCD, + +0xD1, 0x41, 0xC0, 0xEC, +0x51, 0xCC, 0x51, 0xCD, + +0x80, 0x04, +0x10, 0x04, +0x08, 0x04, +0x00, 0xE0, + +0x00, 0xCC, 0xC0, 0xCD, +0xD1, 0x49, 0xC0, 0xEC, + +0x8A, 0x1F, 0x20, 0xE9, +0x8B, 0x3F, 0x20, 0xE9, + +0x41, 0x3C, 0x41, 0xAD, +0x49, 0x3C, 0x49, 0xAD, + +0x10, 0xCC, 0x10, 0xCD, +0x08, 0xCC, 0x08, 0xCD, + +0xB9, 0x41, 0x49, 0xBB, +0x1F, 0xF0, 0x41, 0xCD, + +0x51, 0x3C, 0x51, 0xAD, +0x00, 0x98, 0x80, 0xE9, + +0x83, 0x80, 0x07, 0xEA, +0x24, 0x1F, 0x20, 0xE9, + +0x21, 0x45, 0x80, 0xE8, +0x1A, 0x4D, 0x80, 0xE8, + +0x31, 0x55, 0x80, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x15, 0x41, 0x49, 0xBD, +0x1D, 0x41, 0x51, 0xBD, + +0x2E, 0x41, 0x2A, 0xB8, +0x34, 0x53, 0xA0, 0xE8, + +0x15, 0x30, +0x1D, 0x30, +0x58, 0xE3, +0x00, 0xE0, + +0xB5, 0x40, 0x48, 0xBD, +0x3D, 0x40, 0x50, 0xBD, + +0x24, 0x43, 0xA0, 0xE8, +0x2C, 0x4B, 0xA0, 0xE8, + +0x15, 0x72, +0x09, 0xE3, +0x00, 0xE0, +0x1D, 0x72, + +0x35, 0x30, +0xB5, 0x30, +0xBD, 0x30, +0x3D, 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+0x16, 0x28, 0x20, 0xE9, +0x1D, 0x3B, 0x20, 0xE9, + +0x1E, 0x2B, 0x20, 0xE9, +0x2B, 0x32, 0x20, 0xE9, + +0x1C, 0x23, 0x20, 0xE9, +0x57, 0x36, 0x20, 0xE9, + +0x00, 0x80, 0xA0, 0xE9, +0x40, 0x40, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x90, 0xE2, +0x00, 0xE0, + +0x74, 0xFF, 0x20, 0xEA, +0x19, 0xC8, 0xC1, 0xCD, + +0x1F, 0xD7, 0x18, 0xBD, +0x3F, 0xD7, 0x22, 0xBD, + +0x9F, 0x41, 0x49, 0xBD, +0x00, 0x80, 0x00, 0xE8, + +0x25, 0x41, 0x49, 0xBD, +0x2D, 0x41, 0x51, 0xBD, + +0x0D, 0x80, 0x07, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x35, 0x40, 0x48, 0xBD, +0x3D, 0x40, 0x50, 0xBD, + +0x00, 0x80, 0x00, 0xE8, +0x25, 0x30, +0x2D, 0x30, + +0x35, 0x30, +0xB5, 0x30, +0xBD, 0x30, +0x3D, 0x30, + +0x9C, 0xA7, 0x5B, 0x9F, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x73, 0xFF, 0x0A, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0xC9, 0x41, 0xC8, 0xEC, +0x42, 0xE1, +0x00, 0xE0, + +0x71, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0xC8, 0x40, 0xC0, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x6E, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +}; + +static unsigned char warp_g200_tgzf[] = { + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x98, 0xA0, 0xE9, +0x40, 0x40, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x1F, 0xD7, 0x18, 0xBD, +0x3F, 0xD7, 0x22, 0xBD, + +0x81, 0x04, +0x89, 0x04, +0x01, 0x04, +0x09, 0x04, + +0xC9, 0x41, 0xC0, 0xEC, +0x11, 0x04, +0x00, 0xE0, + +0x41, 0xCC, 0x41, 0xCD, +0x49, 0xCC, 0x49, 0xCD, + +0xD1, 0x41, 0xC0, 0xEC, +0x51, 0xCC, 0x51, 0xCD, + +0x80, 0x04, +0x10, 0x04, +0x08, 0x04, +0x00, 0xE0, + +0x00, 0xCC, 0xC0, 0xCD, +0xD1, 0x49, 0xC0, 0xEC, + +0x8A, 0x1F, 0x20, 0xE9, +0x8B, 0x3F, 0x20, 0xE9, + +0x41, 0x3C, 0x41, 0xAD, +0x49, 0x3C, 0x49, 0xAD, + +0x10, 0xCC, 0x10, 0xCD, +0x08, 0xCC, 0x08, 0xCD, + +0xB9, 0x41, 0x49, 0xBB, +0x1F, 0xF0, 0x41, 0xCD, + +0x51, 0x3C, 0x51, 0xAD, +0x00, 0x98, 0x80, 0xE9, + +0x7F, 0x80, 0x07, 0xEA, +0x24, 0x1F, 0x20, 0xE9, + +0x21, 0x45, 0x80, 0xE8, +0x1A, 0x4D, 0x80, 0xE8, + +0x31, 0x55, 0x80, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x15, 0x41, 0x49, 0xBD, +0x1D, 0x41, 0x51, 0xBD, + +0x2E, 0x41, 0x2A, 0xB8, +0x34, 0x53, 0xA0, 0xE8, + +0x15, 0x30, +0x1D, 0x30, +0x58, 0xE3, +0x00, 0xE0, + +0xB5, 0x40, 0x48, 0xBD, +0x3D, 0x40, 0x50, 0xBD, + +0x24, 0x43, 0xA0, 0xE8, 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0x20, 0xE9, + +0x1C, 0x23, 0x20, 0xE9, +0x57, 0x36, 0x20, 0xE9, + +0x00, 0x80, 0xA0, 0xE9, +0x40, 0x40, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x90, 0xE2, +0x00, 0xE0, + +0x78, 0xFF, 0x20, 0xEA, +0x19, 0xC8, 0xC1, 0xCD, + +0x1F, 0xD7, 0x18, 0xBD, +0x3F, 0xD7, 0x22, 0xBD, + +0x9F, 0x41, 0x49, 0xBD, +0x00, 0x80, 0x00, 0xE8, + +0x25, 0x41, 0x49, 0xBD, +0x2D, 0x41, 0x51, 0xBD, + +0x0D, 0x80, 0x07, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x35, 0x40, 0x48, 0xBD, +0x3D, 0x40, 0x50, 0xBD, + +0x00, 0x80, 0x00, 0xE8, +0x25, 0x30, +0x2D, 0x30, + +0x35, 0x30, +0xB5, 0x30, +0xBD, 0x30, +0x3D, 0x30, + +0x9C, 0xA7, 0x5B, 0x9F, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x77, 0xFF, 0x0A, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0xC9, 0x41, 0xC8, 0xEC, +0x42, 0xE1, +0x00, 0xE0, + +0x75, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0xC8, 0x40, 0xC0, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x72, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +}; + +static unsigned char warp_g200_tgzs[] = { + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x98, 0xA0, 0xE9, +0x40, 0x40, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x1F, 0xD7, 0x18, 0xBD, +0x3F, 0xD7, 0x22, 0xBD, + +0x81, 0x04, +0x89, 0x04, +0x01, 0x04, +0x09, 0x04, + +0xC9, 0x41, 0xC0, 0xEC, +0x11, 0x04, +0x00, 0xE0, + +0x41, 0xCC, 0x41, 0xCD, +0x49, 0xCC, 0x49, 0xCD, + +0xD1, 0x41, 0xC0, 0xEC, +0x51, 0xCC, 0x51, 0xCD, + +0x80, 0x04, +0x10, 0x04, +0x08, 0x04, +0x00, 0xE0, + +0x00, 0xCC, 0xC0, 0xCD, +0xD1, 0x49, 0xC0, 0xEC, + +0x8A, 0x1F, 0x20, 0xE9, +0x8B, 0x3F, 0x20, 0xE9, + +0x41, 0x3C, 0x41, 0xAD, +0x49, 0x3C, 0x49, 0xAD, + +0x10, 0xCC, 0x10, 0xCD, +0x08, 0xCC, 0x08, 0xCD, + +0xB9, 0x41, 0x49, 0xBB, +0x1F, 0xF0, 0x41, 0xCD, + +0x51, 0x3C, 0x51, 0xAD, +0x00, 0x98, 0x80, 0xE9, + +0x8B, 0x80, 0x07, 0xEA, +0x24, 0x1F, 0x20, 0xE9, + +0x21, 0x45, 0x80, 0xE8, +0x1A, 0x4D, 0x80, 0xE8, + +0x31, 0x55, 0x80, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x15, 0x41, 0x49, 0xBD, +0x1D, 0x41, 0x51, 0xBD, + +0x2E, 0x41, 0x2A, 0xB8, +0x34, 0x53, 0xA0, 0xE8, + +0x15, 0x30, +0x1D, 0x30, +0x58, 0xE3, +0x00, 0xE0, + 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+0x00, 0x80, 0x00, 0xE8, + +0x25, 0x41, 0x49, 0xBD, +0x2D, 0x41, 0x51, 0xBD, + +0x0D, 0x80, 0x07, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x35, 0x40, 0x48, 0xBD, +0x3D, 0x40, 0x50, 0xBD, + +0x00, 0x80, 0x00, 0xE8, +0x25, 0x30, +0x2D, 0x30, + +0x35, 0x30, +0xB5, 0x30, +0xBD, 0x30, +0x3D, 0x30, + +0x9C, 0xA7, 0x5B, 0x9F, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x6B, 0xFF, 0x0A, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0xC9, 0x41, 0xC8, 0xEC, +0x42, 0xE1, +0x00, 0xE0, + +0x69, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0xC8, 0x40, 0xC0, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x66, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +}; + +static unsigned char warp_g200_tgzsa[] = { + +0x00, 0x80, 0x00, 0xE8, +0x00, 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0xEA, + +0x0B, 0x46, 0xA0, 0xE8, +0x1B, 0x56, 0xA0, 0xE8, + +0x2B, 0x66, 0xA0, 0xE8, +0x0C, 0x47, 0xA0, 0xE8, + +0x1C, 0x57, 0xA0, 0xE8, +0x2C, 0x67, 0xA0, 0xE8, + +0x0B, 0x00, +0x1B, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x57, 0x80, 0x57, 0xCF, + +0x66, 0x33, 0x66, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x67, 0x3B, 0x67, 0xCF, + +0x0B, 0x48, 0xA0, 0xE8, +0x1B, 0x58, 0xA0, 0xE8, + +0x2B, 0x68, 0xA0, 0xE8, +0x0C, 0x49, 0xA0, 0xE8, + +0x1C, 0x59, 0xA0, 0xE8, +0x2C, 0x69, 0xA0, 0xE8, + +0x0B, 0x00, +0x1B, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x34, 0xD7, 0x34, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3C, 0xD7, 0x3C, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x34, 0x80, 0x34, 0xBD, +0x3C, 0x80, 0x3C, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x48, 0x80, 0x48, 0xCF, +0x59, 0x80, 0x59, 0xCF, + +0x68, 0x33, 0x68, 0xCF, +0x49, 0x3B, 0x49, 0xCF, + +0xBA, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x58, 0x33, 0x58, 0xCF, +0x69, 0x3B, 0x69, 0xCF, + +0x79, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_t2gzaf[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x0A, 0x40, 0x50, 0xBF, +0x2A, 0x40, 0x60, 0xBF, + +0x32, 0x41, 0x51, 0xBF, +0x3A, 0x41, 0x61, 0xBF, + +0xC3, 0x6B, +0xD3, 0x6B, +0x00, 0x8A, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x53, 0xA0, 0xE8, + +0xAD, 0xEE, 0x23, 0x9F, +0x00, 0xE0, +0x51, 0x04, + +0x90, 0xE2, +0x61, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x51, 0x41, 0xE0, 0xEC, +0x39, 0x67, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x63, 0xA0, 0xE8, + +0x61, 0x41, 0xE0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x81, 0x80, 0x15, 0xEA, +0x10, 0x04, +0x20, 0x04, + +0x61, 0x51, 0xE0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x52, 0xBF, +0x0F, 0x52, 0xA0, 0xE8, + +0x1A, 0x42, 0x62, 0xBF, +0x1E, 0x51, 0x60, 0xEA, + +0x73, 0x7B, 0xC8, 0xEC, +0x0E, 0x61, 0x60, 0xEA, + +0x32, 0x40, 0x50, 0xBD, +0x22, 0x40, 0x60, 0xBD, + +0x12, 0x41, 0x51, 0xBD, +0x3A, 0x41, 0x61, 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0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x34, 0x80, 0x34, 0xBD, +0x3C, 0x80, 0x3C, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x48, 0x80, 0x48, 0xCF, +0x59, 0x80, 0x59, 0xCF, + +0x68, 0x33, 0x68, 0xCF, +0x49, 0x3B, 0x49, 0xCF, + +0xB5, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x58, 0x33, 0x58, 0xCF, +0x69, 0x3B, 0x69, 0xCF, + +0x74, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_t2gzf[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x0A, 0x40, 0x50, 0xBF, +0x2A, 0x40, 0x60, 0xBF, + +0x32, 0x41, 0x51, 0xBF, +0x3A, 0x41, 0x61, 0xBF, + +0xC3, 0x6B, +0xD3, 0x6B, +0x00, 0x8A, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x53, 0xA0, 0xE8, + +0xAD, 0xEE, 0x23, 0x9F, +0x00, 0xE0, +0x51, 0x04, + +0x90, 0xE2, +0x61, 0x04, 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+0x0B, 0x00, +0x1B, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x34, 0xD7, 0x34, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3C, 0xD7, 0x3C, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x34, 0x80, 0x34, 0xBD, +0x3C, 0x80, 0x3C, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x48, 0x80, 0x48, 0xCF, +0x59, 0x80, 0x59, 0xCF, + +0x68, 0x33, 0x68, 0xCF, +0x49, 0x3B, 0x49, 0xCF, + +0xBB, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x58, 0x33, 0x58, 0xCF, +0x69, 0x3B, 0x69, 0xCF, + +0x78, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_t2gzs[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + 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0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x67, 0x3B, 0x67, 0xCF, + +0x0B, 0x48, 0xA0, 0xE8, +0x1B, 0x58, 0xA0, 0xE8, + +0x2B, 0x68, 0xA0, 0xE8, +0x0C, 0x49, 0xA0, 0xE8, + +0x1C, 0x59, 0xA0, 0xE8, +0x2C, 0x69, 0xA0, 0xE8, + +0x0B, 0x00, +0x1B, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x34, 0xD7, 0x34, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3C, 0xD7, 0x3C, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x34, 0x80, 0x34, 0xBD, +0x3C, 0x80, 0x3C, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x48, 0x80, 0x48, 0xCF, +0x59, 0x80, 0x59, 0xCF, + +0x68, 0x33, 0x68, 0xCF, +0x49, 0x3B, 0x49, 0xCF, + +0xAD, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x58, 0x33, 0x58, 0xCF, +0x69, 0x3B, 0x69, 0xCF, + +0x6B, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgz[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x58, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x4A, 0xBF, +0x27, 0x4A, 0xA0, 0xE8, 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0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xD6, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x9D, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgza[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, 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+0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzf[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x5D, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x4A, 0xBF, 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0x3D, 0x20, 0xE9, + +0x0A, 0x44, 0x4C, 0xB0, +0x02, 0x44, 0x54, 0xB0, + +0x2A, 0x44, 0x4C, 0xB2, +0x1A, 0x44, 0x54, 0xB2, + +0x20, 0x80, 0x3A, 0xEA, +0x0A, 0x20, +0x02, 0x20, + +0x3D, 0xCF, 0x74, 0xC2, +0x2A, 0x20, +0x1A, 0x20, + +0x30, 0x50, 0x2E, 0x9F, +0x32, 0x31, 0x5F, 0xE9, + +0x38, 0x21, 0x2C, 0x9F, +0x33, 0x39, 0x5F, 0xE9, + +0x31, 0x53, 0x2F, 0x9F, +0x31, 0x27, 0x20, 0xE9, + +0x0A, 0x44, 0x4C, 0xB4, +0x02, 0x44, 0x54, 0xB4, + +0x2A, 0x45, 0x4D, 0xB6, +0x1A, 0x45, 0x55, 0xB6, + +0x39, 0xE5, 0x2C, 0x9F, +0x38, 0x3D, 0x20, 0xE9, + +0x0A, 0x20, +0x02, 0x20, +0x2A, 0x20, +0x1A, 0x20, + +0x0A, 0x47, 0x4F, 0xBF, +0x02, 0x47, 0x57, 0xBF, + +0x30, 0x50, 0x2E, 0x9F, +0x3E, 0x30, 0x4F, 0xE9, + +0x38, 0x21, 0x2C, 0x9F, +0x3F, 0x38, 0x4F, 0xE9, + +0x2A, 0x46, 0x4E, 0xBF, +0x1A, 0x46, 0x56, 0xBF, + +0x31, 0x53, 0x2F, 0x9F, +0x3A, 0x31, 0x4F, 0xE9, + +0x39, 0xE5, 0x2C, 0x9F, +0x3B, 0x39, 0x4F, 0xE9, + +0x31, 0x53, 0x2F, 0x9F, +0x36, 0x30, 0x4F, 0xE9, + +0x39, 0xE5, 0x2C, 0x9F, +0x37, 0x38, 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0xE0, + +0x1D, 0x00, +0x24, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x1C, 0x65, +0x23, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x1D, 0x65, +0x24, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x1C, 0x23, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x1D, 0x24, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xD3, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x98, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzs[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + 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+0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xC5, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x8B, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzsaf[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x6E, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x4A, 0xBF, +0x27, 0x4A, 0xA0, 0xE8, + +0x1A, 0x42, 0x52, 0xBF, +0x1E, 0x49, 0x60, 0xEA, + +0x73, 0x7B, 0xC8, 0xEC, +0x26, 0x51, 0x60, 0xEA, + +0x32, 0x40, 0x48, 0xBD, +0x22, 0x40, 0x50, 0xBD, + +0x12, 0x41, 0x49, 0xBD, +0x3A, 0x41, 0x51, 0xBD, + +0xBF, 0x2F, 0x26, 0xBD, +0x00, 0xE0, +0x7B, 0x72, + +0x32, 0x20, +0x22, 0x20, +0x12, 0x20, +0x3A, 0x20, + +0x46, 0x31, 0x46, 0xBF, +0x4E, 0x31, 0x4E, 0xBF, + +0xB3, 0xE2, 0x2D, 0x9F, +0x00, 0x80, 0x00, 0xE8, + +0x56, 0x31, 0x56, 0xBF, +0x47, 0x39, 0x47, 0xBF, + +0x4F, 0x39, 0x4F, 0xBF, +0x57, 0x39, 0x57, 0xBF, + +0x60, 0x80, 0x07, 0xEA, +0x24, 0x41, 0x20, 0xE9, + +0x42, 0x73, 0xF8, 0xEC, +0x00, 0xE0, +0x2D, 0x73, + +0x33, 0x72, +0x0C, 0xE3, +0xA5, 0x2F, 0x1E, 0xBD, + +0x43, 0x43, 0x2D, 0xDF, +0x4B, 0x4B, 0x2D, 0xDF, + +0xAE, 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0x9F, +0x3A, 0x31, 0x4F, 0xE9, + +0x38, 0x21, 0x2C, 0x9F, +0x3B, 0x39, 0x4F, 0xE9, + +0x2A, 0x45, 0x4D, 0xB2, +0x1A, 0x45, 0x55, 0xB2, + +0x0A, 0x45, 0x4D, 0xB4, +0x02, 0x45, 0x55, 0xB4, + +0x27, 0xCF, 0x74, 0xC6, +0x2A, 0x20, +0x1A, 0x20, + +0xA7, 0x30, 0x4F, 0xE9, +0x0A, 0x20, +0x02, 0x20, + +0x31, 0x53, 0x2F, 0x9F, +0x9C, 0x27, 0x20, 0xE9, + +0x39, 0xE5, 0x2C, 0x9F, +0xA8, 0x38, 0x4F, 0xE9, + +0x2A, 0x44, 0x4C, 0xB6, +0x1A, 0x44, 0x54, 0xB6, + +0x30, 0x50, 0x2E, 0x9F, +0x36, 0x31, 0x4F, 0xE9, + +0x38, 0x21, 0x2C, 0x9F, +0x37, 0x39, 0x4F, 0xE9, + +0x0A, 0x45, 0x4D, 0xB6, +0x02, 0x45, 0x55, 0xB6, + +0x3D, 0xCF, 0x75, 0xC6, +0x2A, 0x20, +0x1A, 0x20, + +0x2A, 0x46, 0x4E, 0xBF, +0x1A, 0x46, 0x56, 0xBF, + +0x31, 0x53, 0x2F, 0x9F, +0xA4, 0x31, 0x4F, 0xE9, + +0x39, 0xE5, 0x2C, 0x9F, +0xA5, 0x39, 0x4F, 0xE9, + +0x31, 0x3D, 0x20, 0xE9, +0x0A, 0x20, +0x02, 0x20, + +0x0A, 0x47, 0x4F, 0xBF, +0x02, 0x47, 0x57, 0xBF, + +0x30, 0x50, 0x2E, 0x9F, +0xA1, 0x30, 0x4F, 0xE9, + +0x38, 0x21, 0x2C, 0x9F, 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0x47, 0xA0, 0xE8, + +0x24, 0x4F, 0xA0, 0xE8, +0x2C, 0x57, 0xA0, 0xE8, + +0x1C, 0x00, +0x23, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x1D, 0x00, +0x24, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x1C, 0x65, +0x23, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x1D, 0x65, +0x24, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x1C, 0x23, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x1D, 0x24, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xC1, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x87, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzsf[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 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sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#define __NO_VERSION__ +#include "mga.h" +#include "drmP.h" +#include "mga_drv.h" +#include "mga_ucode.h" + + +#define MGA_WARP_CODE_ALIGN 256 /* in bytes */ + +#define WARP_UCODE_SIZE( which ) \ + ((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN) + +#define WARP_UCODE_INSTALL( which, where ) \ +do { \ + DRM_DEBUG( " pcbase = 0x%08lx vcbase = %p\n", pcbase, vcbase );\ + dev_priv->warp_pipe_phys[where] = pcbase; \ + memcpy( vcbase, which, sizeof(which) ); \ + pcbase += WARP_UCODE_SIZE( which ); \ + vcbase += WARP_UCODE_SIZE( which ); \ +} while (0) + + +static unsigned int mga_warp_g400_microcode_size( drm_mga_private_t *dev_priv ) +{ + unsigned int size; + + size = ( WARP_UCODE_SIZE( warp_g400_tgz ) + + WARP_UCODE_SIZE( warp_g400_tgza ) + + WARP_UCODE_SIZE( warp_g400_tgzaf ) + + WARP_UCODE_SIZE( warp_g400_tgzf ) + + WARP_UCODE_SIZE( warp_g400_tgzs ) + + WARP_UCODE_SIZE( warp_g400_tgzsa ) + + WARP_UCODE_SIZE( warp_g400_tgzsaf ) + + WARP_UCODE_SIZE( warp_g400_tgzsf ) + + WARP_UCODE_SIZE( warp_g400_t2gz ) + + WARP_UCODE_SIZE( warp_g400_t2gza ) + + WARP_UCODE_SIZE( warp_g400_t2gzaf ) + + WARP_UCODE_SIZE( warp_g400_t2gzf ) + + WARP_UCODE_SIZE( warp_g400_t2gzs ) + + WARP_UCODE_SIZE( warp_g400_t2gzsa ) + + WARP_UCODE_SIZE( warp_g400_t2gzsaf ) + + WARP_UCODE_SIZE( warp_g400_t2gzsf ) ); + + size = PAGE_ALIGN( size ); + + DRM_DEBUG( "G400 ucode size = %d bytes\n", size ); + return size; +} + +static unsigned int mga_warp_g200_microcode_size( drm_mga_private_t *dev_priv ) +{ + unsigned int size; + + size = ( WARP_UCODE_SIZE( warp_g200_tgz ) + + WARP_UCODE_SIZE( warp_g200_tgza ) + + WARP_UCODE_SIZE( warp_g200_tgzaf ) + + WARP_UCODE_SIZE( warp_g200_tgzf ) + + WARP_UCODE_SIZE( warp_g200_tgzs ) + + WARP_UCODE_SIZE( warp_g200_tgzsa ) + + WARP_UCODE_SIZE( warp_g200_tgzsaf ) + + WARP_UCODE_SIZE( warp_g200_tgzsf ) ); + + size = PAGE_ALIGN( size ); + + DRM_DEBUG( "G200 ucode size = %d bytes\n", size ); + return size; +} + +static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv ) +{ + unsigned char *vcbase = dev_priv->warp->handle; + unsigned long pcbase = dev_priv->warp->offset; + unsigned int size; + + size = mga_warp_g400_microcode_size( dev_priv ); + if ( size > dev_priv->warp->size ) { + DRM_ERROR( "microcode too large! (%u > %lu)\n", + size, dev_priv->warp->size ); + return -ENOMEM; + } + + memset( dev_priv->warp_pipe_phys, 0, + sizeof(dev_priv->warp_pipe_phys) ); + + WARP_UCODE_INSTALL( warp_g400_tgz, MGA_WARP_TGZ ); + WARP_UCODE_INSTALL( warp_g400_tgzf, MGA_WARP_TGZF ); + WARP_UCODE_INSTALL( warp_g400_tgza, MGA_WARP_TGZA ); + WARP_UCODE_INSTALL( warp_g400_tgzaf, MGA_WARP_TGZAF ); + WARP_UCODE_INSTALL( warp_g400_tgzs, MGA_WARP_TGZS ); + WARP_UCODE_INSTALL( warp_g400_tgzsf, MGA_WARP_TGZSF ); + WARP_UCODE_INSTALL( warp_g400_tgzsa, MGA_WARP_TGZSA ); + WARP_UCODE_INSTALL( warp_g400_tgzsaf, MGA_WARP_TGZSAF ); + + WARP_UCODE_INSTALL( warp_g400_t2gz, MGA_WARP_T2GZ ); + WARP_UCODE_INSTALL( warp_g400_t2gzf, MGA_WARP_T2GZF ); + WARP_UCODE_INSTALL( warp_g400_t2gza, MGA_WARP_T2GZA ); + WARP_UCODE_INSTALL( warp_g400_t2gzaf, MGA_WARP_T2GZAF ); + WARP_UCODE_INSTALL( warp_g400_t2gzs, MGA_WARP_T2GZS ); + WARP_UCODE_INSTALL( warp_g400_t2gzsf, MGA_WARP_T2GZSF ); + WARP_UCODE_INSTALL( warp_g400_t2gzsa, MGA_WARP_T2GZSA ); + WARP_UCODE_INSTALL( warp_g400_t2gzsaf, MGA_WARP_T2GZSAF ); + + return 0; +} + +static int mga_warp_install_g200_microcode( drm_mga_private_t *dev_priv ) +{ + unsigned char *vcbase = dev_priv->warp->handle; + unsigned long pcbase = dev_priv->warp->offset; + unsigned int size; + + size = mga_warp_g200_microcode_size( dev_priv ); + if ( size > dev_priv->warp->size ) { + DRM_ERROR( "microcode too large! (%u > %lu)\n", + size, dev_priv->warp->size ); + return -ENOMEM; + } + + memset( dev_priv->warp_pipe_phys, 0, + sizeof(dev_priv->warp_pipe_phys) ); + + WARP_UCODE_INSTALL( warp_g200_tgz, MGA_WARP_TGZ ); + WARP_UCODE_INSTALL( warp_g200_tgzf, MGA_WARP_TGZF ); + WARP_UCODE_INSTALL( warp_g200_tgza, MGA_WARP_TGZA ); + WARP_UCODE_INSTALL( warp_g200_tgzaf, MGA_WARP_TGZAF ); + WARP_UCODE_INSTALL( warp_g200_tgzs, MGA_WARP_TGZS ); + WARP_UCODE_INSTALL( warp_g200_tgzsf, MGA_WARP_TGZSF ); + WARP_UCODE_INSTALL( warp_g200_tgzsa, MGA_WARP_TGZSA ); + WARP_UCODE_INSTALL( warp_g200_tgzsaf, MGA_WARP_TGZSAF ); + + return 0; +} + +int mga_warp_install_microcode( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + switch ( dev_priv->chipset ) { + case MGA_CARD_TYPE_G400: + return mga_warp_install_g400_microcode( dev_priv ); + case MGA_CARD_TYPE_G200: + return mga_warp_install_g200_microcode( dev_priv ); + default: + return -EINVAL; + } +} + +#define WMISC_EXPECTED (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE) + +int mga_warp_init( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + u32 wmisc; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + /* FIXME: Get rid of these damned magic numbers... + */ + switch ( dev_priv->chipset ) { + case MGA_CARD_TYPE_G400: + MGA_WRITE( MGA_WIADDR2, MGA_WMODE_SUSPEND ); + MGA_WRITE( MGA_WGETMSB, 0x00000E00 ); + MGA_WRITE( MGA_WVRTXSZ, 0x00001807 ); + MGA_WRITE( MGA_WACCEPTSEQ, 0x18000000 ); + break; + case MGA_CARD_TYPE_G200: + MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND ); + MGA_WRITE( MGA_WGETMSB, 0x1606 ); + MGA_WRITE( MGA_WVRTXSZ, 7 ); + break; + default: + return -EINVAL; + } + + MGA_WRITE( MGA_WMISC, (MGA_WUCODECACHE_ENABLE | + MGA_WMASTER_ENABLE | + MGA_WCACHEFLUSH_ENABLE) ); + wmisc = MGA_READ( MGA_WMISC ); + if ( wmisc != WMISC_EXPECTED ) { + DRM_ERROR( "WARP engine config failed! 0x%x != 0x%x\n", + wmisc, WMISC_EXPECTED ); + return -EINVAL; + } + + return 0; +} diff --git a/linux/r128.h b/linux/r128.h new file mode 100644 index 00000000..83e002af --- /dev/null +++ b/linux/r128.h @@ -0,0 +1,79 @@ +/* r128.h -- ATI Rage 128 DRM template customization -*- linux-c -*- + * Created: Wed Feb 14 16:07:10 2001 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __R128_H__ +#define __R128_H__ + +/* This remains constant for all DRM template files. + */ +#define DRM(x) r128_##x + +/* General customization: + */ +#define __HAVE_AGP 1 +#define __MUST_HAVE_AGP 1 +#define __HAVE_MTRR 1 +#define __HAVE_CTX_BITMAP 1 + +/* Driver customization: + */ +#define DRIVER_PRERELEASE() do { \ + if ( dev->dev_private ) { \ + drm_r128_private_t *dev_priv = dev->dev_private; \ + if ( dev_priv->page_flipping ) { \ + r128_do_cleanup_pageflip( dev ); \ + } \ + } \ +} while (0) + +#define DRIVER_PRETAKEDOWN() do { \ + if ( dev->dev_private ) r128_do_cleanup_cce( dev ); \ +} while (0) + +/* DMA customization: + */ +#define __HAVE_DMA 1 + +#if 0 +/* GH: Remove this for now... */ +#define __HAVE_DMA_QUIESCENT 1 +#define DRIVER_DMA_QUIESCENT() do { \ + drm_r128_private_t *dev_priv = dev->dev_private; \ + return r128_do_cce_idle( dev_priv ); \ +} while (0) +#endif + +/* Buffer customization: + */ +#define DRIVER_BUF_PRIV_T drm_r128_buf_priv_t + +#define DRIVER_AGP_BUFFERS_MAP( dev ) \ + ((drm_r128_private_t *)((dev)->dev_private))->buffers + +#endif diff --git a/linux/r128_cce.c b/linux/r128_cce.c index d999d232..d1790497 100644 --- a/linux/r128_cce.c +++ b/linux/r128_cce.c @@ -25,11 +25,11 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Gareth Hughes <gareth@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ +#include "r128.h" #include "drmP.h" #include "r128_drv.h" @@ -37,7 +37,6 @@ #include <linux/delay.h> #define R128_FIFO_DEBUG 0 -#define DEBUG_RING_AFTER_INIT 0 /* CCE microcode (from ATI) */ @@ -86,27 +85,7 @@ static u32 r128_cce_microcode[] = { }; -#define DO_IOREMAP(_m) (_m)->handle = drm_ioremap((_m)->offset, (_m)->size) - -#define DO_IOREMAPFREE(_m) \ - do { \ - if ((_m)->handle && (_m)->size) \ - drm_ioremapfree((_m)->handle, (_m)->size); \ - } while (0) - -#define DO_FIND_MAP(_m, _o) \ - do { \ - int _i; \ - for (_i = 0; _i < dev->map_count; _i++) { \ - if (dev->maplist[_i]->offset == _o) { \ - _m = dev->maplist[_i]; \ - break; \ - } \ - } \ - } while (0) - - -u32 R128_READ_PLL(drm_device_t *dev, int addr) +int R128_READ_PLL(drm_device_t *dev, int addr) { drm_r128_private_t *dev_priv = dev->dev_private; @@ -129,8 +108,6 @@ static void r128_status( drm_r128_private_t *dev_priv ) (unsigned int)R128_READ( R128_PM4_MICRO_CNTL ) ); printk( "PM4_BUFFER_CNTL = 0x%08x\n", (unsigned int)R128_READ( R128_PM4_BUFFER_CNTL ) ); - printk( "*ring.head = 0x%08x\n", - (unsigned int) GET_RING_HEAD( &dev_priv->ring ) ); } #endif @@ -154,7 +131,7 @@ static int r128_do_pixcache_flush( drm_r128_private_t *dev_priv ) udelay( 1 ); } - DRM_ERROR( "failed!\n" ); + DRM_ERROR( "%s failed!\n", __FUNCTION__ ); return -EBUSY; } @@ -163,16 +140,16 @@ static int r128_do_wait_for_fifo( drm_r128_private_t *dev_priv, int entries ) int i; for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { - u32 slots = R128_READ( R128_GUI_STAT ) & R128_GUI_FIFOCNT_MASK; + int slots = R128_READ( R128_GUI_STAT ) & R128_GUI_FIFOCNT_MASK; if ( slots >= entries ) return 0; udelay( 1 ); } - DRM_ERROR( "failed!\n" ); + DRM_ERROR( "%s failed!\n", __FUNCTION__ ); return -EBUSY; } -static int r128_do_wait_for_idle( drm_r128_private_t *dev_priv ) +int r128_do_wait_for_idle( drm_r128_private_t *dev_priv ) { int i, ret; @@ -187,7 +164,7 @@ static int r128_do_wait_for_idle( drm_r128_private_t *dev_priv ) udelay( 1 ); } - DRM_ERROR( "failed!\n" ); + DRM_ERROR( "%s failed!\n", __FUNCTION__ ); return -EBUSY; } @@ -231,8 +208,8 @@ int r128_do_cce_idle( drm_r128_private_t *dev_priv ) int i; for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { - if ( GET_RING_HEAD( &dev_priv->ring ) == dev_priv->ring.tail ) { - u32 pm4stat = R128_READ( R128_PM4_STAT ); + if ( *dev_priv->ring.head == dev_priv->ring.tail ) { + int pm4stat = R128_READ( R128_PM4_STAT ); if ( ( (pm4stat & R128_PM4_FIFOCNT_MASK) >= dev_priv->cce_fifo_size ) && !(pm4stat & (R128_PM4_BUSY | @@ -272,8 +249,7 @@ static void r128_do_cce_reset( drm_r128_private_t *dev_priv ) { R128_WRITE( R128_PM4_BUFFER_DL_WPTR, 0 ); R128_WRITE( R128_PM4_BUFFER_DL_RPTR, 0 ); - - SET_RING_HEAD( &dev_priv->ring, 0 ); + *dev_priv->ring.head = 0; dev_priv->ring.tail = 0; } @@ -339,37 +315,16 @@ static void r128_cce_init_ring_buffer( drm_device_t *dev ) /* The manual (p. 2) says this address is in "VM space". This * means it's an offset from the start of AGP space. */ -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - if ( !dev_priv->is_pci ) - ring_start = dev_priv->cce_ring->offset - dev->agp->base; - else -#endif - ring_start = dev_priv->cce_ring->offset - dev->sg->handle; - + ring_start = dev_priv->cce_ring->offset - dev->agp->base; R128_WRITE( R128_PM4_BUFFER_OFFSET, ring_start | R128_AGP_OFFSET ); R128_WRITE( R128_PM4_BUFFER_DL_WPTR, 0 ); R128_WRITE( R128_PM4_BUFFER_DL_RPTR, 0 ); /* DL_RPTR_ADDR is a physical address in AGP space. */ - SET_RING_HEAD( &dev_priv->ring, 0 ); - if ( !dev_priv->is_pci ) { - R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR, - dev_priv->ring_rptr->offset ); - } else { - drm_sg_mem_t *entry = dev->sg; - unsigned long tmp_ofs, page_ofs; - - tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle; - page_ofs = tmp_ofs >> PAGE_SHIFT; - - R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR, - virt_to_bus(entry->pagelist[page_ofs]->virtual)); - - DRM_DEBUG( "ring rptr: offset=0x%08lx handle=0x%08lx\n", - virt_to_bus(entry->pagelist[page_ofs]->virtual), - entry->handle + tmp_ofs ); - } + *dev_priv->ring.head = 0; + R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR, + dev_priv->ring_rptr->offset ); /* Set watermark control */ R128_WRITE( R128_PM4_BUFFER_WM_CNTL, @@ -391,7 +346,7 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) drm_r128_private_t *dev_priv; int i; - dev_priv = drm_alloc( sizeof(drm_r128_private_t), DRM_MEM_DRIVER ); + dev_priv = DRM(alloc)( sizeof(drm_r128_private_t), DRM_MEM_DRIVER ); if ( dev_priv == NULL ) return -ENOMEM; dev->dev_private = (void *)dev_priv; @@ -400,9 +355,12 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) dev_priv->is_pci = init->is_pci; - if ( dev_priv->is_pci && !dev->sg ) { - DRM_ERROR( "PCI GART memory not allocated!\n" ); - drm_free( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); + /* GH: We don't support PCI cards until PCI GART is implemented. + * Fail here so we can remove all checks for PCI cards around + * the CCE ring code. + */ + if ( dev_priv->is_pci ) { + DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); dev->dev_private = NULL; return -EINVAL; } @@ -410,13 +368,12 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) dev_priv->usec_timeout = init->usec_timeout; if ( dev_priv->usec_timeout < 1 || dev_priv->usec_timeout > R128_MAX_USEC_TIMEOUT ) { - drm_free( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); + DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); dev->dev_private = NULL; return -EINVAL; } dev_priv->cce_mode = init->cce_mode; - dev_priv->cce_secure = init->cce_secure; /* GH: Simple idle check. */ @@ -430,7 +387,7 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) ( init->cce_mode != R128_PM4_128BM_64INDBM ) && ( init->cce_mode != R128_PM4_64BM_128INDBM ) && ( init->cce_mode != R128_PM4_64BM_64VCBM_64INDBM ) ) { - drm_free( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); + DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); dev->dev_private = NULL; return -EINVAL; } @@ -456,13 +413,30 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) break; } - dev_priv->fb_bpp = init->fb_bpp; + switch ( init->fb_bpp ) { + case 16: + dev_priv->color_fmt = R128_DATATYPE_RGB565; + break; + case 32: + default: + dev_priv->color_fmt = R128_DATATYPE_ARGB8888; + break; + } dev_priv->front_offset = init->front_offset; dev_priv->front_pitch = init->front_pitch; dev_priv->back_offset = init->back_offset; dev_priv->back_pitch = init->back_pitch; - dev_priv->depth_bpp = init->depth_bpp; + switch ( init->depth_bpp ) { + case 16: + dev_priv->depth_fmt = R128_DATATYPE_RGB565; + break; + case 24: + case 32: + default: + dev_priv->depth_fmt = R128_DATATYPE_ARGB8888; + break; + } dev_priv->depth_offset = init->depth_offset; dev_priv->depth_pitch = init->depth_pitch; dev_priv->span_offset = init->span_offset; @@ -487,40 +461,24 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) } } - DO_FIND_MAP( dev_priv->fb, init->fb_offset ); - DO_FIND_MAP( dev_priv->mmio, init->mmio_offset ); - DO_FIND_MAP( dev_priv->cce_ring, init->ring_offset ); - DO_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset ); - DO_FIND_MAP( dev_priv->buffers, init->buffers_offset ); + DRM_FIND_MAP( dev_priv->fb, init->fb_offset ); + DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset ); + DRM_FIND_MAP( dev_priv->cce_ring, init->ring_offset ); + DRM_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset ); + DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset ); if ( !dev_priv->is_pci ) { - DO_FIND_MAP( dev_priv->agp_textures, - init->agp_textures_offset ); + DRM_FIND_MAP( dev_priv->agp_textures, + init->agp_textures_offset ); } dev_priv->sarea_priv = (drm_r128_sarea_t *)((u8 *)dev_priv->sarea->handle + init->sarea_priv_offset); - if ( !dev_priv->is_pci ) { - DO_IOREMAP( dev_priv->cce_ring ); - DO_IOREMAP( dev_priv->ring_rptr ); - DO_IOREMAP( dev_priv->buffers ); - } else { - dev_priv->cce_ring->handle = - (void *)dev_priv->cce_ring->offset; - dev_priv->ring_rptr->handle = - (void *)dev_priv->ring_rptr->offset; - dev_priv->buffers->handle = (void *)dev_priv->buffers->offset; - } - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - if ( !dev_priv->is_pci ) - dev_priv->cce_buffers_offset = dev->agp->base; - else -#endif - dev_priv->cce_buffers_offset = dev->sg->handle; - + DRM_IOREMAP( dev_priv->cce_ring ); + DRM_IOREMAP( dev_priv->ring_rptr ); + DRM_IOREMAP( dev_priv->buffers ); dev_priv->ring.head = ((__volatile__ u32 *) dev_priv->ring_rptr->handle); @@ -529,7 +487,7 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) dev_priv->ring.end = ((u32 *)dev_priv->cce_ring->handle + init->ring_size / sizeof(u32)); dev_priv->ring.size = init->ring_size; - dev_priv->ring.size_l2qw = drm_order( init->ring_size / 8 ); + dev_priv->ring.size_l2qw = DRM(order)( init->ring_size / 8 ); dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1; @@ -543,98 +501,24 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) R128_WRITE( R128_LAST_DISPATCH_REG, dev_priv->sarea_priv->last_dispatch ); - if ( dev_priv->is_pci ) { - dev_priv->phys_pci_gart = ati_pcigart_init( dev ); - if ( !dev_priv->phys_pci_gart ) { - DRM_ERROR( "failed to init PCI GART!\n" ); - drm_free( dev_priv, sizeof(*dev_priv), - DRM_MEM_DRIVER ); - dev->dev_private = NULL; - return -EINVAL; - } - R128_WRITE( R128_PCI_GART_PAGE, - virt_to_bus( (void *)dev_priv->phys_pci_gart ) ); - } - r128_cce_init_ring_buffer( dev ); r128_cce_load_microcode( dev_priv ); r128_do_engine_reset( dev ); - r128_do_wait_for_idle( dev_priv ); - -#if DEBUG_RING_AFTER_INIT - { - u32 last_dispatch; - RING_LOCALS; - - DRM_INFO( "GUI_STAT = 0x%08x\n", - (unsigned int)R128_READ( R128_GUI_STAT ) ); - DRM_INFO( "PM4_STAT = 0x%08x\n", - (unsigned int)R128_READ( R128_PM4_STAT ) ); - DRM_INFO( "PM4_BUFFER_DL_WPTR = 0x%08x\n", - (unsigned int)R128_READ( R128_PM4_BUFFER_DL_WPTR ) ); - DRM_INFO( "PM4_BUFFER_DL_RPTR = 0x%08x\n", - (unsigned int)R128_READ( R128_PM4_BUFFER_DL_RPTR ) ); - DRM_INFO( "PM4_MICRO_CNTL = 0x%08x\n", - (unsigned int)R128_READ( R128_PM4_MICRO_CNTL ) ); - DRM_INFO( "PM4_BUFFER_CNTL = 0x%08x\n", - (unsigned int)R128_READ( R128_PM4_BUFFER_CNTL ) ); - DRM_INFO( "PM4_BUFFER_OFFSET = 0x%08x\n", - (unsigned int)R128_READ( R128_PM4_BUFFER_OFFSET ) ); - DRM_INFO( "PCI_GART_PAGE = 0x%08x\n", - (unsigned int)R128_READ( R128_PCI_GART_PAGE ) ); - DRM_INFO( "BM_CHUNK_0_VAL = 0x%08x\n", - (unsigned int)R128_READ( R128_BM_CHUNK_0_VAL ) ); - - r128_do_cce_start( dev_priv ); - - DRM_INFO("Doing a test write to dispatch register\n"); - - BEGIN_RING( 2 ); - OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) ); - OUT_RING( 0xcafebabe ); - ADVANCE_RING(); - - r128_do_cce_flush( dev_priv ); - r128_do_cce_idle( dev_priv ); - last_dispatch = R128_READ( R128_LAST_DISPATCH_REG ); - DRM_INFO("last_dispatch = 0x%x\n", last_dispatch); - - BEGIN_RING( 2 ); - OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) ); - OUT_RING( 0 ); - ADVANCE_RING(); - - r128_do_cce_flush( dev_priv ); - r128_do_cce_idle( dev_priv ); - last_dispatch = R128_READ( R128_LAST_DISPATCH_REG ); - DRM_INFO("last_dispatch 2 = 0x%x\n", last_dispatch); - - r128_do_wait_for_idle( dev_priv ); - r128_do_engine_reset( dev ); - r128_do_wait_for_idle( dev_priv ); - - r128_status( dev_priv ); - } -#endif return 0; } -static int r128_do_cleanup_cce( drm_device_t *dev ) +int r128_do_cleanup_cce( drm_device_t *dev ) { if ( dev->dev_private ) { drm_r128_private_t *dev_priv = dev->dev_private; - if ( !dev_priv->is_pci ) { - DO_IOREMAPFREE( dev_priv->cce_ring ); - DO_IOREMAPFREE( dev_priv->ring_rptr ); - DO_IOREMAPFREE( dev_priv->buffers ); - } else { - ati_pcigart_cleanup( dev_priv->phys_pci_gart ); - } + DRM_IOREMAPFREE( dev_priv->cce_ring ); + DRM_IOREMAPFREE( dev_priv->ring_rptr ); + DRM_IOREMAPFREE( dev_priv->buffers ); - drm_free( dev->dev_private, sizeof(drm_r128_private_t), - DRM_MEM_DRIVER ); + DRM(free)( dev->dev_private, sizeof(drm_r128_private_t), + DRM_MEM_DRIVER ); dev->dev_private = NULL; } @@ -856,8 +740,8 @@ static int r128_freelist_init( drm_device_t *dev ) drm_r128_freelist_t *entry; int i; - dev_priv->head = drm_alloc( sizeof(drm_r128_freelist_t), - DRM_MEM_DRIVER ); + dev_priv->head = DRM(alloc)( sizeof(drm_r128_freelist_t), + DRM_MEM_DRIVER ); if ( dev_priv->head == NULL ) return -ENOMEM; @@ -868,8 +752,8 @@ static int r128_freelist_init( drm_device_t *dev ) buf = dma->buflist[i]; buf_priv = buf->dev_private; - entry = drm_alloc( sizeof(drm_r128_freelist_t), - DRM_MEM_DRIVER ); + entry = DRM(alloc)( sizeof(drm_r128_freelist_t), + DRM_MEM_DRIVER ); if ( !entry ) return -ENOMEM; entry->age = R128_BUFFER_FREE; @@ -955,7 +839,7 @@ int r128_wait_ring( drm_r128_private_t *dev_priv, int n ) int i; for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { - ring->space = GET_RING_HEAD( ring ) - ring->tail; + ring->space = *ring->head - ring->tail; if ( ring->space <= 0 ) ring->space += ring->size; @@ -974,7 +858,7 @@ void r128_update_ring_snapshot( drm_r128_private_t *dev_priv ) { drm_r128_ring_buffer_t *ring = &dev_priv->ring; - ring->space = GET_RING_HEAD( ring ) - ring->tail; + ring->space = *ring->head - ring->tail; #if R128_PERFORMANCE_BOXES if ( ring->space == 0 ) atomic_inc( &dev_priv->idle_count ); diff --git a/linux/r128_context.c b/linux/r128_context.c deleted file mode 100644 index 0741e774..00000000 --- a/linux/r128_context.c +++ /dev/null @@ -1,217 +0,0 @@ -/* r128_context.c -- IOCTLs for r128 contexts -*- linux-c -*- - * Created: Mon Dec 13 09:51:35 1999 by faith@precisioninsight.com - * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Author: Rickard E. (Rik) Faith <faith@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "r128_drv.h" - -extern drm_ctx_t r128_res_ctx; - -static int r128_alloc_queue(drm_device_t *dev) -{ - return drm_ctxbitmap_next(dev); -} - -int r128_context_switch(drm_device_t *dev, int old, int new) -{ - char buf[64]; - - atomic_inc(&dev->total_ctx); - - if (test_and_set_bit(0, &dev->context_flag)) { - DRM_ERROR("Reentering -- FIXME\n"); - return -EBUSY; - } - -#if DRM_DMA_HISTOGRAM - dev->ctx_start = get_cycles(); -#endif - - DRM_DEBUG("Context switch from %d to %d\n", old, new); - - if (new == dev->last_context) { - clear_bit(0, &dev->context_flag); - return 0; - } - - if (drm_flags & DRM_FLAG_NOCTX) { - r128_context_switch_complete(dev, new); - } else { - sprintf(buf, "C %d %d\n", old, new); - drm_write_string(dev, buf); - } - - return 0; -} - -int r128_context_switch_complete(drm_device_t *dev, int new) -{ - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - dev->last_switch = jiffies; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("Lock isn't held after context switch\n"); - } - - /* If a context switch is ever initiated - when the kernel holds the lock, release - that lock here. */ -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles() - - dev->ctx_start)]); - -#endif - clear_bit(0, &dev->context_flag); - wake_up(&dev->context_wait); - - return 0; -} - - -int r128_resctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_res_t res; - drm_ctx_t ctx; - int i; - - DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); - if (copy_from_user(&res, (drm_ctx_res_t *)arg, sizeof(res))) - return -EFAULT; - if (res.count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - ctx.handle = i; - if (copy_to_user(&res.contexts[i], - &i, - sizeof(i))) - return -EFAULT; - } - } - res.count = DRM_RESERVED_CONTEXTS; - if (copy_to_user((drm_ctx_res_t *)arg, &res, sizeof(res))) - return -EFAULT; - return 0; -} - - -int r128_addctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - if ((ctx.handle = r128_alloc_queue(dev)) == DRM_KERNEL_CONTEXT) { - /* Skip kernel's context and get a new one. */ - ctx.handle = r128_alloc_queue(dev); - } - DRM_DEBUG("%d\n", ctx.handle); - if (ctx.handle == -1) { - DRM_DEBUG("Not enough free contexts.\n"); - /* Should this return -EBUSY instead? */ - return -ENOMEM; - } - - if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int r128_modctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t*)arg, sizeof(ctx))) - return -EFAULT; - if (ctx.flags==_DRM_CONTEXT_PRESERVED) - r128_res_ctx.handle=ctx.handle; - return 0; -} - -int r128_getctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t*)arg, sizeof(ctx))) - return -EFAULT; - /* This is 0, because we don't hanlde any context flags */ - ctx.flags = 0; - if (copy_to_user((drm_ctx_t*)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int r128_switchctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - return r128_context_switch(dev, dev->last_context, ctx.handle); -} - -int r128_newctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - r128_context_switch_complete(dev, ctx.handle); - - return 0; -} - -int r128_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - drm_ctxbitmap_free(dev, ctx.handle); - - return 0; -} diff --git a/linux/r128_drm.h b/linux/r128_drm.h index 94dba1ed..86aba175 100644 --- a/linux/r128_drm.h +++ b/linux/r128_drm.h @@ -25,9 +25,8 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Kevin E. Martin <martin@valinux.com> * Gareth Hughes <gareth@valinux.com> - * + * Kevin E. Martin <martin@valinux.com> */ #ifndef __R128_DRM_H__ @@ -142,12 +141,6 @@ typedef struct { } drm_r128_texture_regs_t; -typedef struct drm_tex_region { - unsigned char next, prev; - unsigned char in_use; - int age; -} drm_tex_region_t; - typedef struct drm_r128_sarea { /* The channel for communication of state information to the kernel * on firing a vertex buffer. @@ -218,9 +211,10 @@ typedef struct drm_r128_fullscreen { typedef struct drm_r128_clear { unsigned int flags; - int x, y, w, h; unsigned int clear_color; unsigned int clear_depth; + unsigned int color_mask; + unsigned int depth_mask; } drm_r128_clear_t; typedef struct drm_r128_vertex { diff --git a/linux/r128_drv.c b/linux/r128_drv.c index 88a335a3..e42868ed 100644 --- a/linux/r128_drv.c +++ b/linux/r128_drv.c @@ -1,7 +1,7 @@ /* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*- * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * @@ -19,695 +19,72 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> - * Kevin E. Martin <martin@valinux.com> * Gareth Hughes <gareth@valinux.com> - * */ #include <linux/config.h> +#include "r128.h" #include "drmP.h" #include "r128_drv.h" -#define R128_NAME "r128" -#define R128_DESC "ATI Rage 128" -#define R128_DATE "20010130" -#define R128_MAJOR 2 -#define R128_MINOR 1 -#define R128_PATCHLEVEL 4 - -static drm_device_t r128_device; -drm_ctx_t r128_res_ctx; - -static struct file_operations r128_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: r128_open, - flush: drm_flush, - release: r128_release, - ioctl: r128_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice r128_misc = { - minor: MISC_DYNAMIC_MINOR, - name: R128_NAME, - fops: &r128_fops, -}; - -static drm_ioctl_desc_t r128_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { r128_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { r128_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { r128_mapbufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { r128_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { r128_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { r128_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { r128_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { r128_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { r128_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { r128_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { r128_cce_buffers, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { r128_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { r128_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, -#endif - [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_R128_INIT)] = { r128_cce_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_START)] = { r128_cce_start, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_STOP)] = { r128_cce_stop, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_RESET)] = { r128_cce_reset, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_IDLE)] = { r128_cce_idle, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_RESET)] = { r128_engine_reset, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_FULLSCREEN)]= { r128_fullscreen, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_R128_SWAP)] = { r128_cce_swap, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_CLEAR)] = { r128_cce_clear, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_VERTEX)] = { r128_cce_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_INDICES)] = { r128_cce_indices, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_BLIT)] = { r128_cce_blit, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_DEPTH)] = { r128_cce_depth, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_STIPPLE)] = { r128_cce_stipple, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_R128_INDIRECT)] = { r128_cce_indirect, 1, 1 }, -}; -#define R128_IOCTL_COUNT DRM_ARRAY_SIZE(r128_ioctls) - -#ifdef MODULE -static char *r128 = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("r128"); -MODULE_PARM(r128, "s"); - -#ifndef MODULE -/* r128_options is called by the kernel to parse command-line options - * passed via the boot-loader (e.g., LILO). It calls the insmod option - * routine, drm_parse_drm. - */ - -static int __init r128_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("r128=", r128_options); -#endif - -static int r128_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - drm_dma_setup(dev); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); - - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - r128_res_ctx.handle=-1; - - DRM_DEBUG("\n"); +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "r128" +#define DRIVER_DESC "ATI Rage 128" +#define DRIVER_DATE "20010216" + +#define DRIVER_MAJOR 2 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 4 + +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { r128_cce_buffers, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_INIT)] = { r128_cce_init, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_START)] = { r128_cce_start, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_STOP)] = { r128_cce_stop, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_RESET)] = { r128_cce_reset, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_IDLE)] = { r128_cce_idle, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_RESET)] = { r128_engine_reset, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_FULLSCREEN)] = { r128_fullscreen, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_SWAP)] = { r128_cce_swap, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_CLEAR)] = { r128_cce_clear, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_VERTEX)] = { r128_cce_vertex, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_INDICES)] = { r128_cce_indices, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_BLIT)] = { r128_cce_blit, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_DEPTH)] = { r128_cce_depth, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_STIPPLE)] = { r128_cce_stipple, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_R128_INDIRECT)] = { r128_cce_indirect, 1, 1 }, - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ - return 0; -} - - -static int r128_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until r128_cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; - if (entry->bound) drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) _drm_agp_release(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } -#endif - - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } -#endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - /* Do nothing here, because this is all - handled in the AGP/GART driver. */ - break; - case _DRM_SCATTER_GATHER: - if (dev->sg) { - drm_sg_cleanup(dev->sg); - dev->sg = NULL; - } - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - - drm_dma_takedown(dev); - - dev->queue_count = 0; - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* r128_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init r128_init(void) -{ - int retcode; - drm_device_t *dev = &r128_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(r128); -#endif - - if ((retcode = misc_register(&r128_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", R128_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, r128_misc.minor); - dev->name = R128_NAME; - - drm_mem_init(); - drm_proc_init(dev); - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - dev->agp = drm_agp_init(); - if (dev->agp == NULL) { - DRM_ERROR("Cannot initialize agpgart module.\n"); - drm_proc_cleanup(); - misc_deregister(&r128_misc); - r128_takedown(dev); - return -ENOMEM; - } - -#ifdef CONFIG_MTRR - dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size*1024*1024, - MTRR_TYPE_WRCOMB, - 1); -#endif -#endif - - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&r128_misc); - r128_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - R128_NAME, - R128_MAJOR, - R128_MINOR, - R128_PATCHLEVEL, - R128_DATE, - r128_misc.minor); - - return 0; -} - -/* r128_cleanup is called via cleanup_module at module unload time. */ - -static void __exit r128_cleanup(void) -{ - drm_device_t *dev = &r128_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&r128_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); - r128_takedown(dev); -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -#endif -} - -module_init(r128_init); -module_exit(r128_cleanup); - - -int r128_version(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } - - version.version_major = R128_MAJOR; - version.version_minor = R128_MINOR; - version.version_patchlevel = R128_PATCHLEVEL; - - DRM_COPY(version.name, R128_NAME); - DRM_COPY(version.date, R128_DATE); - DRM_COPY(version.desc, R128_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int r128_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &r128_device; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return r128_setup(dev); - } - spin_unlock(&dev->count_lock); - } - - return retcode; -} - -int r128_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - - /* Force the cleanup of page flipping when required */ - if ( dev->dev_private ) { - drm_r128_private_t *dev_priv = dev->dev_private; - if ( dev_priv->page_flipping ) { - r128_do_cleanup_pageflip( dev ); - } - } - - if (!(retcode = drm_release(inode, filp))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return r128_takedown(dev); - } - spin_unlock(&dev->count_lock); - } - - unlock_kernel(); - return retcode; -} - -/* r128_ioctl is called whenever a process performs an ioctl on /dev/drm. */ -int r128_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, priv->authenticated); - - if (nr >= R128_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &r128_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function\n"); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int r128_lock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - DECLARE_WAITQUEUE(entry, current); - int ret = 0; - drm_lock_t lock; -#if DRM_DMA_HISTOGRAM - cycles_t start; - - dev->lck_start = start = get_cycles(); -#endif - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", - lock.context, current->pid, dev->lock.hw_lock->lock, - lock.flags); - - if (lock.context < 0) - return -EINVAL; - - if (!ret) { - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - ret = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - lock.context)) { - dev->lock.pid = current->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - } - - if (!ret) { - sigemptyset(&dev->sigmask); - sigaddset(&dev->sigmask, SIGSTOP); - sigaddset(&dev->sigmask, SIGTSTP); - sigaddset(&dev->sigmask, SIGTTIN); - sigaddset(&dev->sigmask, SIGTTOU); - dev->sigdata.context = lock.context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); - if (lock.flags & _DRM_LOCK_READY) { - /* Wait for space in DMA/FIFO */ - } - if (lock.flags & _DRM_LOCK_QUIESCENT) { - /* Make hardware quiescent */ - DRM_DEBUG( "not quiescent!\n" ); #if 0 - r128_quiescent(dev); -#endif - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != r128_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY/4; - } -#endif - DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); - -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.lacq[drm_histogram_slot(get_cycles() - start)]); -#endif - - return ret; -} - - -int r128_unlock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d frees lock (%d holds)\n", - lock.context, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - /* FIXME: Try to send data to card here */ - if (!dev->context_flag) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("\n"); - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != r128_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY; - } -#endif - unblock_all_signals(); - return 0; -} +/* GH: Count data sent to card via ring or vertex/indirect buffers. + */ +#define __HAVE_COUNTERS 3 +#define __HAVE_COUNTER6 _DRM_STAT_IRQ +#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY +#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY +#endif + + +#include "drm_agpsupport.h" +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux/r128_drv.h b/linux/r128_drv.h index 8f5aea15..9f53746f 100644 --- a/linux/r128_drv.h +++ b/linux/r128_drv.h @@ -25,18 +25,14 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Kevin E. Martin <martin@valinux.com> - * Gareth Hughes <gareth@valinux.com> - * Michel Dänzer <daenzerm@student.ethz.ch> - * + * Rickard E. (Rik) Faith <faith@valinux.com> + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #ifndef __R128_DRV_H__ #define __R128_DRV_H__ -#include "ati_pcigart.h" - typedef struct drm_r128_freelist { unsigned int age; drm_buf_t *buf; @@ -64,9 +60,7 @@ typedef struct drm_r128_private { int cce_mode; int cce_fifo_size; - int cce_secure; int cce_running; - u32 cce_buffers_offset; drm_r128_freelist_t *head; drm_r128_freelist_t *tail; @@ -81,13 +75,13 @@ typedef struct drm_r128_private { u32 crtc_offset; u32 crtc_offset_cntl; - unsigned int fb_bpp; + u32 color_fmt; unsigned int front_offset; unsigned int front_pitch; unsigned int back_offset; unsigned int back_pitch; - unsigned int depth_bpp; + u32 depth_fmt; unsigned int depth_offset; unsigned int depth_pitch; unsigned int span_offset; @@ -97,8 +91,6 @@ typedef struct drm_r128_private { u32 depth_pitch_offset_c; u32 span_pitch_offset_c; - unsigned long phys_pci_gart; - drm_map_t *sarea; drm_map_t *fb; drm_map_t *mmio; @@ -116,18 +108,6 @@ typedef struct drm_r128_buf_priv { drm_r128_freelist_t *list_entry; } drm_r128_buf_priv_t; - /* r128_drv.c */ -extern int r128_version( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int r128_open( struct inode *inode, struct file *filp ); -extern int r128_release( struct inode *inode, struct file *filp ); -extern int r128_ioctl( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int r128_lock( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int r128_unlock( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); - /* r128_cce.c */ extern int r128_cce_init( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); @@ -145,7 +125,6 @@ extern int r128_fullscreen( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); extern int r128_cce_buffers( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); -extern int r128_do_cce_idle( drm_r128_private_t *dev_priv ); extern void r128_freelist_reset( drm_device_t *dev ); extern drm_buf_t *r128_freelist_get( drm_device_t *dev ); @@ -153,6 +132,8 @@ extern drm_buf_t *r128_freelist_get( drm_device_t *dev ); extern int r128_wait_ring( drm_r128_private_t *dev_priv, int n ); extern void r128_update_ring_snapshot( drm_r128_private_t *dev_priv ); +extern int r128_do_cce_idle( drm_r128_private_t *dev_priv ); +extern int r128_do_cleanup_cce( drm_device_t *dev ); extern int r128_do_cleanup_pageflip( drm_device_t *dev ); /* r128_state.c */ @@ -173,31 +154,6 @@ extern int r128_cce_stipple( struct inode *inode, struct file *filp, extern int r128_cce_indirect( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); - /* r128_bufs.c */ -extern int r128_addbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int r128_mapbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - /* r128_context.c */ -extern int r128_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int r128_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int r128_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int r128_getctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int r128_switchctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int r128_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int r128_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - -extern int r128_context_switch(drm_device_t *dev, int old, int new); -extern int r128_context_switch_complete(drm_device_t *dev, int new); - /* Register definitions, register access macros and drmAddMap constants * for Rage 128 kernel driver. @@ -226,11 +182,6 @@ extern int r128_context_switch_complete(drm_device_t *dev, int new); #define R128_AUX3_SC_TOP 0x168c #define R128_AUX3_SC_BOTTOM 0x1690 -#define R128_BM_CHUNK_0_VAL 0x0a18 -# define R128_BM_PTR_FORCE_TO_PCI (1 << 21) -# define R128_BM_PM4_RD_FORCE_TO_PCI (1 << 22) -# define R128_BM_GLOBAL_FORCE_TO_PCI (1 << 23) - #define R128_BRUSH_DATA0 0x1480 #define R128_BUS_CNTL 0x0030 # define R128_BUS_MASTER_DIS (1 << 6) @@ -290,7 +241,6 @@ extern int r128_context_switch_complete(drm_device_t *dev, int new); # define R128_PC_FLUSH_ALL 0x00ff # define R128_PC_BUSY (1 << 31) -#define R128_PCI_GART_PAGE 0x017c #define R128_PRIM_TEX_CNTL_C 0x1cb0 #define R128_SCALE_3D_CNTL 0x1a00 @@ -408,22 +358,24 @@ extern int r128_context_switch_complete(drm_device_t *dev, int new); #define R128_LAST_FRAME_REG R128_GUI_SCRATCH_REG0 #define R128_LAST_DISPATCH_REG R128_GUI_SCRATCH_REG1 -#define R128_MAX_VB_AGE 0x7fffffff +#define R128_MAX_VB_AGE 0xffffffff #define R128_MAX_VB_VERTS (0xffff) +#define R128_RING_HIGH_MARK 128 + #define R128_PERFORMANCE_BOXES 0 #define R128_BASE(reg) ((u32)(dev_priv->mmio->handle)) -#define R128_ADDR(reg) (R128_BASE(reg) + reg) +#define R128_ADDR(reg) (R128_BASE( reg ) + reg) -#define R128_DEREF(reg) *(volatile u32 *)R128_ADDR(reg) -#define R128_READ(reg) le32_to_cpu( R128_DEREF(reg) ) -#define R128_WRITE(reg,val) do { R128_DEREF(reg) = cpu_to_le32(val); } while (0) +#define R128_DEREF(reg) *(volatile u32 *)R128_ADDR( reg ) +#define R128_READ(reg) R128_DEREF( reg ) +#define R128_WRITE(reg,val) do { R128_DEREF( reg ) = val; } while (0) -#define R128_DEREF8(reg) *(__volatile__ u8 *)R128_ADDR(reg) -#define R128_READ8(reg) R128_DEREF8(reg) -#define R128_WRITE8(reg,val) do { R128_DEREF8(reg) = val; } while (0) +#define R128_DEREF8(reg) *(volatile u8 *)R128_ADDR( reg ) +#define R128_READ8(reg) R128_DEREF8( reg ) +#define R128_WRITE8(reg,val) do { R128_DEREF8( reg ) = val; } while (0) #define R128_WRITE_PLL(addr,val) \ @@ -432,7 +384,7 @@ do { \ R128_WRITE(R128_CLOCK_CNTL_DATA, (val)); \ } while (0) -extern u32 R128_READ_PLL(drm_device_t *dev, int addr); +extern int R128_READ_PLL(drm_device_t *dev, int addr); #define CCE_PACKET0( reg, n ) (R128_CCE_PACKET0 | \ @@ -463,7 +415,7 @@ do { \ drm_r128_ring_buffer_t *ring = &dev_priv->ring; int i; \ if ( ring->space < ring->high_mark ) { \ for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { \ - ring->space = GET_RING_HEAD( ring ) - ring->tail;\ + ring->space = *ring->head - ring->tail; \ if ( ring->space <= 0 ) \ ring->space += ring->size; \ if ( ring->space >= ring->high_mark ) \ @@ -487,8 +439,7 @@ do { \ } \ } while (0) -#define R128_WAIT_UNTIL_PAGE_FLIPPED() \ -do { \ +#define R128_WAIT_UNTIL_PAGE_FLIPPED() do { \ OUT_RING( CCE_PACKET0( R128_WAIT_UNTIL, 0 ) ); \ OUT_RING( R128_EVENT_CRTC_OFFSET ); \ } while (0) @@ -503,7 +454,8 @@ do { \ #define R128_VERBOSE 0 -#define RING_LOCALS int write; unsigned int tail_mask; volatile u32 *ring; +#define RING_LOCALS \ + int write; unsigned int tail_mask; volatile u32 *ring; #define BEGIN_RING( n ) do { \ if ( R128_VERBOSE ) { \ @@ -519,11 +471,23 @@ do { \ tail_mask = dev_priv->ring.tail_mask; \ } while (0) +/* You can set this to zero if you want. If the card locks up, you'll + * need to keep this set. It works around a bug in early revs of the + * Rage 128 chipset, where the CCE would read 32 dwords past the end of + * the ring buffer before wrapping around. + */ +#define R128_BROKEN_CCE 1 + #define ADVANCE_RING() do { \ if ( R128_VERBOSE ) { \ DRM_INFO( "ADVANCE_RING() tail=0x%06x wr=0x%06x\n", \ write, dev_priv->ring.tail ); \ } \ + if ( R128_BROKEN_CCE && write < 32 ) { \ + memcpy( dev_priv->ring.end, \ + dev_priv->ring.start, \ + write * sizeof(u32) ); \ + } \ r128_flush_write_combine(); \ dev_priv->ring.tail = write; \ R128_WRITE( R128_PM4_BUFFER_DL_WPTR, write ); \ @@ -534,11 +498,8 @@ do { \ DRM_INFO( " OUT_RING( 0x%08x ) at 0x%x\n", \ (unsigned int)(x), write ); \ } \ - ring[write++] = cpu_to_le32( x ); \ + ring[write++] = (x); \ write &= tail_mask; \ } while (0) -#define GET_RING_HEAD( ring ) le32_to_cpu( *(ring)->head ) -#define SET_RING_HEAD( ring, val ) *(ring)->head = cpu_to_le32( val ) - #endif /* __R128_DRV_H__ */ diff --git a/linux/r128_state.c b/linux/r128_state.c index 45bec565..fa16f3ce 100644 --- a/linux/r128_state.c +++ b/linux/r128_state.c @@ -25,10 +25,10 @@ * * Authors: * Gareth Hughes <gareth@valinux.com> - * */ #define __NO_VERSION__ +#include "r128.h" #include "drmP.h" #include "r128_drv.h" #include "drm.h" @@ -361,44 +361,19 @@ static void r128_print_dirty( const char *msg, unsigned int flags ) } static void r128_cce_dispatch_clear( drm_device_t *dev, - unsigned int flags, - int cx, int cy, int cw, int ch, - unsigned int clear_color, - unsigned int clear_depth ) + drm_r128_clear_t *clear ) { drm_r128_private_t *dev_priv = dev->dev_private; drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; int nbox = sarea_priv->nbox; drm_clip_rect_t *pbox = sarea_priv->boxes; - u32 fb_bpp, depth_bpp; + unsigned int flags = clear->flags; int i; RING_LOCALS; - DRM_DEBUG( "%s:\n", __FUNCTION__ ); + DRM_DEBUG( "%s\n", __FUNCTION__ ); r128_update_ring_snapshot( dev_priv ); - switch ( dev_priv->fb_bpp ) { - case 16: - fb_bpp = R128_GMC_DST_16BPP; - break; - case 32: - fb_bpp = R128_GMC_DST_32BPP; - break; - default: - return; - } - switch ( dev_priv->depth_bpp ) { - case 16: - depth_bpp = R128_GMC_DST_16BPP; - break; - case 24: - case 32: - depth_bpp = R128_GMC_DST_32BPP; - break; - default: - return; - } - if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) { unsigned int tmp = flags; @@ -421,7 +396,7 @@ static void r128_cce_dispatch_clear( drm_device_t *dev, BEGIN_RING( 2 ); OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) ); - OUT_RING( sarea_priv->context_state.plane_3d_mask_c ); + OUT_RING( clear->color_mask ); ADVANCE_RING(); } @@ -432,14 +407,14 @@ static void r128_cce_dispatch_clear( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - fb_bpp | + (dev_priv->color_fmt << 8) | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS ); OUT_RING( dev_priv->front_pitch_offset_c ); - OUT_RING( clear_color ); + OUT_RING( clear->clear_color ); OUT_RING( (x << 16) | y ); OUT_RING( (w << 16) | h ); @@ -453,14 +428,14 @@ static void r128_cce_dispatch_clear( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - fb_bpp | + (dev_priv->color_fmt << 8) | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | R128_GMC_AUX_CLIP_DIS ); OUT_RING( dev_priv->back_pitch_offset_c ); - OUT_RING( clear_color ); + OUT_RING( clear->clear_color ); OUT_RING( (x << 16) | y ); OUT_RING( (w << 16) | h ); @@ -474,7 +449,7 @@ static void r128_cce_dispatch_clear( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - depth_bpp | + (dev_priv->depth_fmt << 8) | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | @@ -482,7 +457,7 @@ static void r128_cce_dispatch_clear( drm_device_t *dev, R128_GMC_WR_MSK_DIS ); OUT_RING( dev_priv->depth_pitch_offset_c ); - OUT_RING( clear_depth ); + OUT_RING( clear->clear_depth ); OUT_RING( (x << 16) | y ); OUT_RING( (w << 16) | h ); @@ -498,7 +473,6 @@ static void r128_cce_dispatch_swap( drm_device_t *dev ) drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; int nbox = sarea_priv->nbox; drm_clip_rect_t *pbox = sarea_priv->boxes; - u32 fb_bpp; int i; RING_LOCALS; DRM_DEBUG( "%s\n", __FUNCTION__ ); @@ -511,16 +485,6 @@ static void r128_cce_dispatch_swap( drm_device_t *dev ) r128_cce_performance_boxes( dev_priv ); #endif - switch ( dev_priv->fb_bpp ) { - case 16: - fb_bpp = R128_GMC_DST_16BPP; - break; - case 32: - default: - fb_bpp = R128_GMC_DST_32BPP; - break; - } - for ( i = 0 ; i < nbox ; i++ ) { int x = pbox[i].x1; int y = pbox[i].y1; @@ -533,7 +497,7 @@ static void r128_cce_dispatch_swap( drm_device_t *dev ) OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_NONE | - fb_bpp | + (dev_priv->color_fmt << 8) | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_S | R128_DP_SRC_SOURCE_MEMORY | @@ -620,8 +584,8 @@ static void r128_cce_dispatch_vertex( drm_device_t *dev, int prim = buf_priv->prim; int i = 0; RING_LOCALS; - DRM_DEBUG( "%s: buf=%d nbox=%d used=%d\n", - __FUNCTION__, buf->idx, sarea_priv->nbox, buf->used ); + DRM_DEBUG( "%s: buf=%d nbox=%d\n", + __FUNCTION__, buf->idx, sarea_priv->nbox ); r128_update_ring_snapshot( dev_priv ); @@ -660,7 +624,7 @@ static void r128_cce_dispatch_vertex( drm_device_t *dev, } if ( buf_priv->discard ) { - buf_priv->age = sarea_priv->last_dispatch; + buf_priv->age = dev_priv->sarea_priv->last_dispatch; /* Emit the vertex buffer age */ BEGIN_RING( 2 ); @@ -676,7 +640,7 @@ static void r128_cce_dispatch_vertex( drm_device_t *dev, buf_priv->dispatched = 0; } - sarea_priv->last_dispatch++; + dev_priv->sarea_priv->last_dispatch++; sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS; sarea_priv->nbox = 0; @@ -706,7 +670,7 @@ static void r128_cce_dispatch_indirect( drm_device_t *dev, u32 *data = (u32 *) ((char *)dev_priv->buffers->handle + buf->offset + start); - data[dwords++] = cpu_to_le32( R128_CCE_PACKET2 ); + data[dwords++] = R128_CCE_PACKET2; } buf_priv->dispatched = 1; @@ -750,7 +714,7 @@ static void r128_cce_dispatch_indices( drm_device_t *dev, drm_r128_buf_priv_t *buf_priv = buf->dev_private; drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; int format = sarea_priv->vc_format; - int offset = dev_priv->buffers->offset - dev_priv->cce_buffers_offset; + int offset = dev_priv->buffers->offset - dev->agp->base; int prim = buf_priv->prim; u32 *data; int dwords; @@ -775,20 +739,16 @@ static void r128_cce_dispatch_indices( drm_device_t *dev, data = (u32 *)((char *)dev_priv->buffers->handle + buf->offset + start); - data[0] = cpu_to_le32( CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM, - dwords-2 ) ); - data[1] = cpu_to_le32( offset ); - data[2] = cpu_to_le32( R128_MAX_VB_VERTS ); - data[3] = cpu_to_le32( format ); - data[4] = cpu_to_le32( (prim | R128_CCE_VC_CNTL_PRIM_WALK_IND | - (count << 16)) ); + data[0] = CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM, dwords-2 ); + + data[1] = offset; + data[2] = R128_MAX_VB_VERTS; + data[3] = format; + data[4] = (prim | R128_CCE_VC_CNTL_PRIM_WALK_IND | + (count << 16)); if ( count & 0x1 ) { -#ifdef __LITTLE_ENDIAN data[dwords-1] &= 0x0000ffff; -#else - data[dwords-1] &= 0xffff0000; -#endif } do { @@ -896,24 +856,23 @@ static int r128_cce_dispatch_blit( drm_device_t *dev, data = (u32 *)((char *)dev_priv->buffers->handle + buf->offset); - data[0] = cpu_to_le32( CCE_PACKET3( R128_CNTL_HOSTDATA_BLT, - dwords + 6 ) ); - data[1] = cpu_to_le32( R128_GMC_DST_PITCH_OFFSET_CNTL | - R128_GMC_BRUSH_NONE | - (blit->format << 8) | - R128_GMC_SRC_DATATYPE_COLOR | - R128_ROP3_S | - R128_DP_SRC_SOURCE_HOST_DATA | - R128_GMC_CLR_CMP_CNTL_DIS | - R128_GMC_AUX_CLIP_DIS | - R128_GMC_WR_MSK_DIS ); - - data[2] = cpu_to_le32( (blit->pitch << 21) | (blit->offset >> 5) ); - data[3] = cpu_to_le32( 0xffffffff ); - data[4] = cpu_to_le32( 0xffffffff ); - data[5] = cpu_to_le32( (blit->y << 16) | blit->x ); - data[6] = cpu_to_le32( (blit->height << 16) | blit->width ); - data[7] = cpu_to_le32( dwords ); + data[0] = CCE_PACKET3( R128_CNTL_HOSTDATA_BLT, dwords + 6 ); + data[1] = (R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_NONE | + (blit->format << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_S | + R128_DP_SRC_SOURCE_HOST_DATA | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS | + R128_GMC_WR_MSK_DIS); + + data[2] = (blit->pitch << 21) | (blit->offset >> 5); + data[3] = 0xffffffff; + data[4] = 0xffffffff; + data[5] = (blit->y << 16) | blit->x; + data[6] = (blit->height << 16) | blit->width; + data[7] = dwords; buf->used = (dwords + 8) * sizeof(u32); @@ -948,25 +907,12 @@ static int r128_cce_dispatch_write_span( drm_device_t *dev, int count, x, y; u32 *buffer; u8 *mask; - u32 depth_bpp; int i; RING_LOCALS; DRM_DEBUG( "%s\n", __FUNCTION__ ); r128_update_ring_snapshot( dev_priv ); - switch ( dev_priv->depth_bpp ) { - case 16: - depth_bpp = R128_GMC_DST_16BPP; - break; - case 24: - case 32: - depth_bpp = R128_GMC_DST_32BPP; - break; - default: - return -EINVAL; - } - count = depth->n; if ( copy_from_user( &x, depth->x, sizeof(x) ) ) { return -EFAULT; @@ -1004,7 +950,7 @@ static int r128_cce_dispatch_write_span( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - depth_bpp | + (dev_priv->depth_fmt << 8) | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | @@ -1028,7 +974,7 @@ static int r128_cce_dispatch_write_span( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - depth_bpp | + (dev_priv->depth_fmt << 8) | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | @@ -1056,25 +1002,12 @@ static int r128_cce_dispatch_write_pixels( drm_device_t *dev, int count, *x, *y; u32 *buffer; u8 *mask; - u32 depth_bpp; int i; RING_LOCALS; DRM_DEBUG( "%s\n", __FUNCTION__ ); r128_update_ring_snapshot( dev_priv ); - switch ( dev_priv->depth_bpp ) { - case 16: - depth_bpp = R128_GMC_DST_16BPP; - break; - case 24: - case 32: - depth_bpp = R128_GMC_DST_32BPP; - break; - default: - return -EINVAL; - } - count = depth->n; x = kmalloc( count * sizeof(*x), 0 ); @@ -1135,7 +1068,7 @@ static int r128_cce_dispatch_write_pixels( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - depth_bpp | + (dev_priv->depth_fmt << 8) | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | @@ -1159,7 +1092,7 @@ static int r128_cce_dispatch_write_pixels( drm_device_t *dev, OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_SOLID_COLOR | - depth_bpp | + (dev_priv->depth_fmt << 8) | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_P | R128_GMC_CLR_CMP_CNTL_DIS | @@ -1187,24 +1120,11 @@ static int r128_cce_dispatch_read_span( drm_device_t *dev, { drm_r128_private_t *dev_priv = dev->dev_private; int count, x, y; - u32 depth_bpp; RING_LOCALS; DRM_DEBUG( "%s\n", __FUNCTION__ ); r128_update_ring_snapshot( dev_priv ); - switch ( dev_priv->depth_bpp ) { - case 16: - depth_bpp = R128_GMC_DST_16BPP; - break; - case 24: - case 32: - depth_bpp = R128_GMC_DST_32BPP; - break; - default: - return -EINVAL; - } - count = depth->n; if ( copy_from_user( &x, depth->x, sizeof(x) ) ) { return -EFAULT; @@ -1219,7 +1139,7 @@ static int r128_cce_dispatch_read_span( drm_device_t *dev, OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_NONE | - depth_bpp | + (dev_priv->depth_fmt << 8) | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_S | R128_DP_SRC_SOURCE_MEMORY | @@ -1243,25 +1163,12 @@ static int r128_cce_dispatch_read_pixels( drm_device_t *dev, { drm_r128_private_t *dev_priv = dev->dev_private; int count, *x, *y; - u32 depth_bpp; int i; RING_LOCALS; DRM_DEBUG( "%s\n", __FUNCTION__ ); r128_update_ring_snapshot( dev_priv ); - switch ( dev_priv->depth_bpp ) { - case 16: - depth_bpp = R128_GMC_DST_16BPP; - break; - case 24: - case 32: - depth_bpp = R128_GMC_DST_32BPP; - break; - default: - return -EINVAL; - } - count = depth->n; if ( count > dev_priv->depth_pitch ) { count = dev_priv->depth_pitch; @@ -1294,7 +1201,7 @@ static int r128_cce_dispatch_read_pixels( drm_device_t *dev, OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | R128_GMC_DST_PITCH_OFFSET_CNTL | R128_GMC_BRUSH_NONE | - depth_bpp | + (dev_priv->depth_fmt << 8) | R128_GMC_SRC_DATATYPE_COLOR | R128_ROP3_S | R128_DP_SRC_SOURCE_MEMORY | @@ -1367,9 +1274,7 @@ int r128_cce_clear( struct inode *inode, struct file *filp, if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS ) sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS; - r128_cce_dispatch_clear( dev, clear.flags, - clear.x, clear.y, clear.w, clear.h, - clear.clear_color, clear.clear_depth ); + r128_cce_dispatch_clear( dev, &clear ); /* Make sure we restore the 3D state next time. */ @@ -1418,8 +1323,10 @@ int r128_cce_vertex( struct inode *inode, struct file *filp, LOCK_TEST_WITH_RETURN( dev ); - if ( !dev_priv ) + if ( !dev_priv || dev_priv->is_pci ) { + DRM_ERROR( "%s called with a PCI card\n", __FUNCTION__ ); return -EINVAL; + } if ( copy_from_user( &vertex, (drm_r128_vertex_t *)arg, sizeof(vertex) ) ) @@ -1479,8 +1386,10 @@ int r128_cce_indices( struct inode *inode, struct file *filp, LOCK_TEST_WITH_RETURN( dev ); - if ( !dev_priv ) + if ( !dev_priv || dev_priv->is_pci ) { + DRM_ERROR( "%s called with a PCI card\n", __FUNCTION__ ); return -EINVAL; + } if ( copy_from_user( &elts, (drm_r128_indices_t *)arg, sizeof(elts) ) ) @@ -1543,8 +1452,8 @@ int r128_cce_blit( struct inode *inode, struct file *filp, { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; - drm_r128_private_t *dev_priv = dev->dev_private; drm_device_dma_t *dma = dev->dma; + drm_r128_private_t *dev_priv = dev->dev_private; drm_r128_blit_t blit; LOCK_TEST_WITH_RETURN( dev ); diff --git a/linux/radeon.h b/linux/radeon.h new file mode 100644 index 00000000..db238b1b --- /dev/null +++ b/linux/radeon.h @@ -0,0 +1,79 @@ +/* radeon.h -- ATI Radeon DRM template customization -*- linux-c -*- + * Created: Wed Feb 14 17:07:34 2001 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __RADEON_H__ +#define __RADEON_H__ + +/* This remains constant for all DRM template files. + */ +#define DRM(x) radeon_##x + +/* General customization: + */ +#define __HAVE_AGP 1 +#define __MUST_HAVE_AGP 1 +#define __HAVE_MTRR 1 +#define __HAVE_CTX_BITMAP 1 + +/* Driver customization: + */ +#define DRIVER_PRERELEASE() do { \ + if ( dev->dev_private ) { \ + drm_radeon_private_t *dev_priv = dev->dev_private; \ + if ( dev_priv->page_flipping ) { \ + radeon_do_cleanup_pageflip( dev ); \ + } \ + } \ +} while (0) + +#define DRIVER_PRETAKEDOWN() do { \ + if ( dev->dev_private ) radeon_do_cleanup_cp( dev ); \ +} while (0) + +/* DMA customization: + */ +#define __HAVE_DMA 1 + +#if 0 +/* GH: Remove this for now... */ +#define __HAVE_DMA_QUIESCENT 1 +#define DRIVER_DMA_QUIESCENT() do { \ + drm_radeon_private_t *dev_priv = dev->dev_private; \ + return radeon_do_cp_idle( dev_priv ); \ +} while (0) +#endif + +/* Buffer customization: + */ +#define DRIVER_BUF_PRIV_T drm_radeon_buf_priv_t + +#define DRIVER_AGP_BUFFERS_MAP( dev ) \ + ((drm_radeon_private_t *)((dev)->dev_private))->buffers + +#endif diff --git a/linux/radeon_context.c b/linux/radeon_context.c deleted file mode 100644 index e428dc22..00000000 --- a/linux/radeon_context.c +++ /dev/null @@ -1,215 +0,0 @@ -/* radeon_context.c -- IOCTLs for Radeon contexts -*- linux-c -*- - * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Fremont, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Author: Kevin E. Martin <martin@valinux.com> - * Rickard E. (Rik) Faith <faith@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "radeon_drv.h" - -extern drm_ctx_t radeon_res_ctx; - -static int radeon_alloc_queue(drm_device_t *dev) -{ - return drm_ctxbitmap_next(dev); -} - -int radeon_context_switch(drm_device_t *dev, int old, int new) -{ - char buf[64]; - - atomic_inc(&dev->total_ctx); - - if (test_and_set_bit(0, &dev->context_flag)) { - DRM_ERROR("Reentering -- FIXME\n"); - return -EBUSY; - } - -#if DRM_DMA_HISTOGRAM - dev->ctx_start = get_cycles(); -#endif - - DRM_DEBUG("Context switch from %d to %d\n", old, new); - - if (new == dev->last_context) { - clear_bit(0, &dev->context_flag); - return 0; - } - - if (drm_flags & DRM_FLAG_NOCTX) { - radeon_context_switch_complete(dev, new); - } else { - sprintf(buf, "C %d %d\n", old, new); - drm_write_string(dev, buf); - } - - return 0; -} - -int radeon_context_switch_complete(drm_device_t *dev, int new) -{ - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - dev->last_switch = jiffies; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("Lock isn't held after context switch\n"); - } - - /* If a context switch is ever initiated - when the kernel holds the lock, release - that lock here. */ -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles() - - dev->ctx_start)]); - -#endif - clear_bit(0, &dev->context_flag); - wake_up(&dev->context_wait); - - return 0; -} - - -int radeon_resctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_res_t res; - drm_ctx_t ctx; - int i; - - DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); - if (copy_from_user(&res, (drm_ctx_res_t *)arg, sizeof(res))) - return -EFAULT; - if (res.count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - ctx.handle = i; - if (copy_to_user(&res.contexts[i], &i, sizeof(i))) - return -EFAULT; - } - } - res.count = DRM_RESERVED_CONTEXTS; - if (copy_to_user((drm_ctx_res_t *)arg, &res, sizeof(res))) - return -EFAULT; - return 0; -} - - -int radeon_addctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - if ((ctx.handle = radeon_alloc_queue(dev)) == DRM_KERNEL_CONTEXT) { - /* Skip kernel's context and get a new one. */ - ctx.handle = radeon_alloc_queue(dev); - } - DRM_DEBUG("%d\n", ctx.handle); - if (ctx.handle == -1) { - DRM_DEBUG("Not enough free contexts.\n"); - /* Should this return -EBUSY instead? */ - return -ENOMEM; - } - - if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int radeon_modctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t*)arg, sizeof(ctx))) - return -EFAULT; - if (ctx.flags==_DRM_CONTEXT_PRESERVED) - radeon_res_ctx.handle=ctx.handle; - return 0; -} - -int radeon_getctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t*)arg, sizeof(ctx))) - return -EFAULT; - /* This is 0, because we don't hanlde any context flags */ - ctx.flags = 0; - if (copy_to_user((drm_ctx_t*)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int radeon_switchctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - return radeon_context_switch(dev, dev->last_context, ctx.handle); -} - -int radeon_newctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - radeon_context_switch_complete(dev, ctx.handle); - - return 0; -} - -int radeon_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - drm_ctxbitmap_free(dev, ctx.handle); - - return 0; -} diff --git a/linux/radeon_cp.c b/linux/radeon_cp.c index a9817e1d..2f20806c 100644 --- a/linux/radeon_cp.c +++ b/linux/radeon_cp.c @@ -24,12 +24,12 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Kevin E. Martin <martin@valinux.com> - * Gareth Hughes <gareth@valinux.com> - * + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ +#include "radeon.h" #include "drmP.h" #include "radeon_drv.h" @@ -300,26 +300,6 @@ static u32 radeon_cp_microcode[][2] = { }; -#define DO_IOREMAP(_m) (_m)->handle = drm_ioremap((_m)->offset, (_m)->size) - -#define DO_IOREMAPFREE(_m) \ - do { \ - if ((_m)->handle && (_m)->size) \ - drm_ioremapfree((_m)->handle, (_m)->size); \ - } while (0) - -#define DO_FIND_MAP(_m, _o) \ - do { \ - int _i; \ - for (_i = 0; _i < dev->map_count; _i++) { \ - if (dev->maplist[_i]->offset == _o) { \ - _m = dev->maplist[_i]; \ - break; \ - } \ - } \ - } while (0) - - int RADEON_READ_PLL(drm_device_t *dev, int addr) { drm_radeon_private_t *dev_priv = dev->dev_private; @@ -331,12 +311,12 @@ int RADEON_READ_PLL(drm_device_t *dev, int addr) #if RADEON_FIFO_DEBUG static void radeon_status( drm_radeon_private_t *dev_priv ) { - DRM_DEBUG( "%s:\n", __FUNCTION__ ); - DRM_DEBUG( "RBBM_STATUS = 0x%08x\n", + printk( "%s:\n", __FUNCTION__ ); + printk( "RBBM_STATUS = 0x%08x\n", (unsigned int)RADEON_READ( RADEON_RBBM_STATUS ) ); - DRM_DEBUG( "CP_RB_RTPR = 0x%08x\n", + printk( "CP_RB_RTPR = 0x%08x\n", (unsigned int)RADEON_READ( RADEON_CP_RB_RPTR ) ); - DRM_DEBUG( "CP_RB_WTPR = 0x%08x\n", + printk( "CP_RB_WTPR = 0x%08x\n", (unsigned int)RADEON_READ( RADEON_CP_RB_WPTR ) ); } #endif @@ -351,7 +331,6 @@ static int radeon_do_pixcache_flush( drm_radeon_private_t *dev_priv ) u32 tmp; int i; - DRM_DEBUG("%s\n", __FUNCTION__); tmp = RADEON_READ( RADEON_RB2D_DSTCACHE_CTLSTAT ); tmp |= RADEON_RB2D_DC_FLUSH_ALL; RADEON_WRITE( RADEON_RB2D_DSTCACHE_CTLSTAT, tmp ); @@ -376,7 +355,6 @@ static int radeon_do_wait_for_fifo( drm_radeon_private_t *dev_priv, { int i; - DRM_DEBUG("%s\n", __FUNCTION__); for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { int slots = ( RADEON_READ( RADEON_RBBM_STATUS ) & RADEON_RBBM_FIFOCNT_MASK ); @@ -395,8 +373,6 @@ static int radeon_do_wait_for_idle( drm_radeon_private_t *dev_priv ) { int i, ret; - DRM_DEBUG("%s\n", __FUNCTION__); - ret = radeon_do_wait_for_fifo( dev_priv, 64 ); if ( ret < 0 ) return ret; @@ -426,7 +402,6 @@ static void radeon_cp_load_microcode( drm_radeon_private_t *dev_priv ) { int i; - DRM_DEBUG("%s\n", __FUNCTION__); radeon_do_wait_for_idle( dev_priv ); RADEON_WRITE( RADEON_CP_ME_RAM_ADDR, 0 ); @@ -458,7 +433,6 @@ int radeon_do_cp_idle( drm_radeon_private_t *dev_priv ) { RING_LOCALS; - DRM_DEBUG("%s\n", __FUNCTION__); BEGIN_RING( 6 ); RADEON_PURGE_CACHE(); @@ -478,7 +452,6 @@ static void radeon_do_cp_start( drm_radeon_private_t *dev_priv ) radeon_do_wait_for_idle( dev_priv ); - DRM_DEBUG("%s\n", __FUNCTION__); RADEON_WRITE( RADEON_CP_CSQ_CNTL, dev_priv->cp_mode ); dev_priv->cp_running = 1; @@ -500,7 +473,6 @@ static void radeon_do_cp_reset( drm_radeon_private_t *dev_priv ) { u32 cur_read_ptr; - DRM_DEBUG("%s\n", __FUNCTION__); cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR ); RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr ); *dev_priv->ring.head = cur_read_ptr; @@ -513,7 +485,6 @@ static void radeon_do_cp_reset( drm_radeon_private_t *dev_priv ) */ static void radeon_do_cp_stop( drm_radeon_private_t *dev_priv ) { - DRM_DEBUG("%s\n", __FUNCTION__); RADEON_WRITE( RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS ); dev_priv->cp_running = 0; @@ -525,8 +496,7 @@ static int radeon_do_engine_reset( drm_device_t *dev ) { drm_radeon_private_t *dev_priv = dev->dev_private; u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset; - - DRM_DEBUG("%s\n", __FUNCTION__); + DRM_DEBUG( "%s\n", __FUNCTION__ ); radeon_do_pixcache_flush( dev_priv ); @@ -576,120 +546,12 @@ static int radeon_do_engine_reset( drm_device_t *dev ) return 0; } -#define RADEON_AGP_BASE 0x0170 -#define RADEON_AIC_LO_ADDR 0x01dc -#define RADEON_AIC_HI_ADDR 0x01e0 -#define RADEON_AIC_TLB_ADDR 0x01e4 -#define RADEON_AIC_TLB_DATA 0x01e8 -#define RADEON_AIC_PT_BASE 0x01d8 - - -static int radeon_cp_init_pciring( drm_device_t *dev ) -{ - drm_radeon_private_t *dev_priv = dev->dev_private; - u32 ring_start, cur_read_ptr; - unsigned int temp, temp2, rdata; - - DRM_DEBUG("%s\n", __FUNCTION__); - dev_priv->phys_pci_gart = ati_pcigart_init( dev ); - if (!dev_priv->phys_pci_gart ) return -ENOMEM; - - /* Initialize the memory controller */ - RADEON_WRITE( RADEON_MC_FB_LOCATION, - (dev_priv->agp_vm_start - 1) & 0xffff0000 ); - RADEON_WRITE( RADEON_MC_AGP_LOCATION, - (((dev_priv->agp_vm_start - 1 + - dev_priv->agp_size) & 0xffff0000) | - (dev_priv->agp_vm_start >> 16)) ); - - RADEON_WRITE( RADEON_AGP_BASE, - 0 ); - - temp = RADEON_READ( RADEON_MC_FB_LOCATION ) | 0x0000ffff; - temp2 = RADEON_READ( RADEON_MC_AGP_LOCATION ) | 0x0000ffff; - - if (temp > temp2) { - DRM_DEBUG("rdata is MC_FB_LOCATION\n"); - rdata = temp + 1; - } else { - DRM_DEBUG("rdata is MC_AGP_LOCATION\n"); - rdata = temp2 + 1; - } - RADEON_WRITE( RADEON_AIC_LO_ADDR, - rdata & 0xfffff000 ); - rdata += (dev_priv->agp_size); - DRM_DEBUG("dev_priv->agp_size : %d\n", dev_priv->agp_size); - RADEON_WRITE( RADEON_AIC_HI_ADDR, - rdata & 0xfffff000 ); - DRM_DEBUG("virtual phys_pci_gart (%08x), bus phys_pci_gart (%08x)\n", - dev_priv->phys_pci_gart, - virt_to_bus((void *)dev_priv->phys_pci_gart) ); - RADEON_WRITE( RADEON_AIC_PT_BASE, - virt_to_bus((void *)dev_priv->phys_pci_gart) ); - - temp = RADEON_READ( RADEON_AIC_CNTL ) | RADEON_PCIGART_TRANSLATE_EN; - RADEON_WRITE( RADEON_AIC_CNTL, temp ); - - temp = RADEON_READ( RADEON_AIC_TLB_ADDR ); - DRM_DEBUG("AIC_TLB_ADDR = %08x\n", temp); - temp = RADEON_READ( RADEON_AIC_TLB_DATA ); - DRM_DEBUG("AIC_TLB_DATA = %08x\n", temp); - - ring_start = (dev_priv->cp_ring->offset - - dev->sg->handle - + dev_priv->agp_vm_start); - - RADEON_WRITE( RADEON_CP_RB_BASE, ring_start ); - - /* Set the write pointer delay */ - RADEON_WRITE( RADEON_CP_RB_WPTR_DELAY, 0 ); - - /* Initialize the ring buffer's read and write pointers */ - cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR ); - RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr ); - *dev_priv->ring.head = cur_read_ptr; - dev_priv->ring.tail = cur_read_ptr; - - { - drm_sg_mem_t *entry = dev->sg; - unsigned long tmp_ofs, page_ofs; - - tmp_ofs = dev_priv->ring_rptr->offset - entry->handle; - page_ofs = tmp_ofs >> PAGE_SHIFT; - - DRM_DEBUG("tmp_ofs (%08x), page_ofs (%d), bus_addr (%08x)\n", - tmp_ofs, page_ofs, - virt_to_bus(entry->pagelist[page_ofs]->virtual)); - - RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR, - virt_to_bus(entry->pagelist[page_ofs]->virtual) ); - } - - /* Set ring buffer size */ - RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw ); - - radeon_do_wait_for_idle( dev_priv ); - - /* Turn on bus mastering */ - temp = RADEON_READ( RADEON_BUS_CNTL ) & ~RADEON_BUS_MASTER_DIS; - RADEON_WRITE( RADEON_BUS_CNTL, temp ); - - /* Sync everything up */ - RADEON_WRITE( RADEON_ISYNC_CNTL, - (RADEON_ISYNC_ANY2D_IDLE3D | - RADEON_ISYNC_ANY3D_IDLE2D | - RADEON_ISYNC_WAIT_IDLEGUI | - RADEON_ISYNC_CPSCRATCH_IDLEGUI) ); - return 0; -} - -static void radeon_cp_init_agpring( drm_device_t *dev ) +static void radeon_cp_init_ring_buffer( drm_device_t *dev ) { drm_radeon_private_t *dev_priv = dev->dev_private; u32 ring_start, cur_read_ptr; u32 tmp; - DRM_DEBUG("%s\n", __FUNCTION__); /* Initialize the memory controller */ RADEON_WRITE( RADEON_MC_FB_LOCATION, (dev_priv->agp_vm_start - 1) & 0xffff0000 ); @@ -739,10 +601,9 @@ static void radeon_cp_init_agpring( drm_device_t *dev ) static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) { drm_radeon_private_t *dev_priv; - int i, j = 0; + int i; - DRM_DEBUG("%s : %d\n", __FUNCTION__, j++); - dev_priv = drm_alloc( sizeof(drm_radeon_private_t), DRM_MEM_DRIVER ); + dev_priv = DRM(alloc)( sizeof(drm_radeon_private_t), DRM_MEM_DRIVER ); if ( dev_priv == NULL ) return -ENOMEM; dev->dev_private = (void *)dev_priv; @@ -751,10 +612,20 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) dev_priv->is_pci = init->is_pci; + /* We don't support PCI cards until PCI GART is implemented. + * Fail here so we can remove all checks for PCI cards around + * the CP ring code. + */ + if ( dev_priv->is_pci ) { + DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); + dev->dev_private = NULL; + return -EINVAL; + } + dev_priv->usec_timeout = init->usec_timeout; if ( dev_priv->usec_timeout < 1 || dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT ) { - drm_free( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); + DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); dev->dev_private = NULL; return -EINVAL; } @@ -771,11 +642,10 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) */ if ( ( init->cp_mode != RADEON_CSQ_PRIBM_INDDIS ) && ( init->cp_mode != RADEON_CSQ_PRIBM_INDBM ) ) { - drm_free( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); + DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER ); dev->dev_private = NULL; return -EINVAL; } - DRM_DEBUG("%s : %d\n", __FUNCTION__, j++); switch ( init->fb_bpp ) { case 16: @@ -832,12 +702,10 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) RADEON_BFACE_SOLID | RADEON_FFACE_SOLID | RADEON_FLAT_SHADE_VTX_LAST | - RADEON_DIFFUSE_SHADE_FLAT | RADEON_ALPHA_SHADE_FLAT | RADEON_SPECULAR_SHADE_FLAT | RADEON_FOG_SHADE_FLAT | - RADEON_VTX_PIX_CENTER_OGL | RADEON_ROUND_MODE_TRUNC | RADEON_ROUND_PREC_8TH_PIX); @@ -852,50 +720,30 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) } } - DO_FIND_MAP( dev_priv->fb, init->fb_offset ); - DO_FIND_MAP( dev_priv->mmio, init->mmio_offset ); - DO_FIND_MAP( dev_priv->cp_ring, init->ring_offset ); - DO_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset ); - DO_FIND_MAP( dev_priv->buffers, init->buffers_offset ); + DRM_FIND_MAP( dev_priv->fb, init->fb_offset ); + DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset ); + DRM_FIND_MAP( dev_priv->cp_ring, init->ring_offset ); + DRM_FIND_MAP( dev_priv->ring_rptr, init->ring_rptr_offset ); + DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset ); if ( !dev_priv->is_pci ) { - DO_FIND_MAP( dev_priv->agp_textures, - init->agp_textures_offset ); + DRM_FIND_MAP( dev_priv->agp_textures, + init->agp_textures_offset ); } dev_priv->sarea_priv = (drm_radeon_sarea_t *)((u8 *)dev_priv->sarea->handle + init->sarea_priv_offset); - if ( !dev_priv->is_pci ) { - DO_IOREMAP( dev_priv->cp_ring ); - DO_IOREMAP( dev_priv->ring_rptr ); - DO_IOREMAP( dev_priv->buffers ); - } else { - dev_priv->cp_ring->handle = (void *)dev_priv->cp_ring->offset; - dev_priv->ring_rptr->handle = - (void *)dev_priv->ring_rptr->offset; - dev_priv->buffers->handle = - (void *)dev_priv->buffers->offset; - } - -#if 0 - if ( !dev_priv->is_pci ) { - DO_IOREMAP( dev_priv->agp_textures ); - } -#endif + DRM_IOREMAP( dev_priv->cp_ring ); + DRM_IOREMAP( dev_priv->ring_rptr ); + DRM_IOREMAP( dev_priv->buffers ); dev_priv->agp_size = init->agp_size; dev_priv->agp_vm_start = RADEON_READ( RADEON_CONFIG_APER_SIZE ); - - if ( !dev_priv->is_pci ) - dev_priv->agp_buffers_offset = (dev_priv->buffers->offset - - dev->agp->base - + dev_priv->agp_vm_start); - else - dev_priv->agp_buffers_offset = (dev_priv->buffers->offset - - dev->sg->handle - + dev_priv->agp_vm_start); + dev_priv->agp_buffers_offset = (dev_priv->buffers->offset + - dev->agp->base + + dev_priv->agp_vm_start); dev_priv->ring.head = ((__volatile__ u32 *) dev_priv->ring_rptr->handle); @@ -904,11 +752,13 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) dev_priv->ring.end = ((u32 *)dev_priv->cp_ring->handle + init->ring_size / sizeof(u32)); dev_priv->ring.size = init->ring_size; - dev_priv->ring.size_l2qw = drm_order( init->ring_size / 8 ); + dev_priv->ring.size_l2qw = DRM(order)( init->ring_size / 8 ); dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1; + dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK; + #if 0 /* Initialize the scratch register pointer. This will cause * the scratch register values to be written out to memory @@ -938,113 +788,27 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) dev_priv->sarea_priv->last_clear ); radeon_cp_load_microcode( dev_priv ); - - DRM_DEBUG("%s : %d\n", __FUNCTION__, j++); - - if ( !dev_priv->is_pci ) radeon_cp_init_agpring( dev ); - else if ( radeon_cp_init_pciring( dev ) ) { - drm_free( dev->dev_private, sizeof(drm_radeon_private_t), - DRM_MEM_DRIVER ); - dev->dev_private = NULL; - return -ENOMEM; - } - + radeon_cp_init_ring_buffer( dev ); radeon_do_engine_reset( dev ); #if ROTATE_BUFS dev_priv->last_buf = 0; #endif -#define DEBUG_RING_AFTER_INIT 1 -#if DEBUG_RING_AFTER_INIT - { - u32 last_dispatch; - RING_LOCALS; - - DRM_DEBUG( "RBBM_STATUS = 0x%08x\n", - (unsigned int)RADEON_READ( RADEON_RBBM_STATUS ) ); - DRM_DEBUG( "MC_FB_LOCATION = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_MC_FB_LOCATION) ); - DRM_DEBUG( "MC_AGP_LOCATION = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_MC_AGP_LOCATION)); - DRM_DEBUG( "AIC_LO_ADDR = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_AIC_LO_ADDR)); - DRM_DEBUG( "AIC_HI_ADDR = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_AIC_HI_ADDR)); - DRM_DEBUG( "AIC_PT_BASE = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_AIC_PT_BASE)); - DRM_DEBUG( "AIC_CNTL = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_AIC_CNTL)); - DRM_DEBUG( "CP_RB_BASE = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_CP_RB_BASE)); - DRM_DEBUG( "CP_RB_WPTR_DELAY = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_CP_RB_WPTR_DELAY)); - DRM_DEBUG( "CP_RB_RPTR = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_CP_RB_RPTR)); - DRM_DEBUG( "CP_RB_WPTR = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_CP_RB_WPTR)); - DRM_DEBUG( "CP_RB_RPTR_ADDR = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_CP_RB_RPTR_ADDR)); - DRM_DEBUG( "CP_RB_CNTL = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_CP_RB_CNTL)); - DRM_DEBUG( "BUS_CNTL = 0x%08x\n", - (unsigned int)RADEON_READ(RADEON_BUS_CNTL)); - - radeon_do_cp_start( dev_priv ); - - DRM_DEBUG("Doing a test write to dispatch register\n"); - - BEGIN_RING( 2 ); - OUT_RING( CP_PACKET0( RADEON_LAST_DISPATCH_REG, 0 ) ); - OUT_RING( 0xcafebabe ); - ADVANCE_RING(); - - radeon_do_cp_flush( dev_priv ); - radeon_do_cp_idle( dev_priv ); - last_dispatch = RADEON_READ( RADEON_LAST_DISPATCH_REG ); - DRM_DEBUG("last_dispatch = 0x%x\n", last_dispatch); - - BEGIN_RING( 2 ); - OUT_RING( CP_PACKET0( RADEON_LAST_DISPATCH_REG, 0 ) ); - OUT_RING( 0 ); - ADVANCE_RING(); - - radeon_do_cp_flush( dev_priv ); - radeon_do_cp_idle( dev_priv ); - last_dispatch = RADEON_READ( RADEON_LAST_DISPATCH_REG ); - DRM_DEBUG("last_dispatch 2 = 0x%x\n", last_dispatch); - - radeon_do_wait_for_idle( dev_priv ); - radeon_do_engine_reset( dev ); - radeon_do_wait_for_idle( dev_priv ); - } -#endif - - DRM_DEBUG("Returning zero\n"); - return 0; } -static int radeon_do_cleanup_cp( drm_device_t *dev ) +int radeon_do_cleanup_cp( drm_device_t *dev ) { - DRM_DEBUG("%s\n", __FUNCTION__); if ( dev->dev_private ) { drm_radeon_private_t *dev_priv = dev->dev_private; - if ( !dev_priv->is_pci) { - DO_IOREMAPFREE( dev_priv->cp_ring ); - DO_IOREMAPFREE( dev_priv->ring_rptr ); - DO_IOREMAPFREE( dev_priv->buffers ); - } else { - ati_pcigart_cleanup( dev_priv->phys_pci_gart ); - } -#if 0 - if ( !dev_priv->is_pci ) { - DO_IOREMAPFREE( dev_priv->agp_textures ); - } -#endif - drm_free( dev->dev_private, sizeof(drm_radeon_private_t), - DRM_MEM_DRIVER ); + DRM_IOREMAPFREE( dev_priv->cp_ring ); + DRM_IOREMAPFREE( dev_priv->ring_rptr ); + DRM_IOREMAPFREE( dev_priv->buffers ); + + DRM(free)( dev->dev_private, sizeof(drm_radeon_private_t), + DRM_MEM_DRIVER ); dev->dev_private = NULL; } @@ -1058,7 +822,6 @@ int radeon_cp_init( struct inode *inode, struct file *filp, drm_device_t *dev = priv->dev; drm_radeon_init_t init; - DRM_DEBUG("%s\n", __FUNCTION__); if ( copy_from_user( &init, (drm_radeon_init_t *)arg, sizeof(init) ) ) return -EFAULT; @@ -1078,7 +841,7 @@ int radeon_cp_start( struct inode *inode, struct file *filp, drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; drm_radeon_private_t *dev_priv = dev->dev_private; - DRM_DEBUG("%s\n", __FUNCTION__); + DRM_DEBUG( "%s\n", __FUNCTION__ ); if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || dev->lock.pid != current->pid ) { @@ -1111,7 +874,7 @@ int radeon_cp_stop( struct inode *inode, struct file *filp, drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_cp_stop_t stop; int ret; - DRM_DEBUG("%s\n", __FUNCTION__); + DRM_DEBUG( "%s\n", __FUNCTION__ ); if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || dev->lock.pid != current->pid ) { @@ -1292,8 +1055,8 @@ static int radeon_freelist_init( drm_device_t *dev ) drm_radeon_freelist_t *entry; int i; - dev_priv->head = drm_alloc( sizeof(drm_radeon_freelist_t), - DRM_MEM_DRIVER ); + dev_priv->head = DRM(alloc)( sizeof(drm_radeon_freelist_t), + DRM_MEM_DRIVER ); if ( dev_priv->head == NULL ) return -ENOMEM; @@ -1304,8 +1067,8 @@ static int radeon_freelist_init( drm_device_t *dev ) buf = dma->buflist[i]; buf_priv = buf->dev_private; - entry = drm_alloc( sizeof(drm_radeon_freelist_t), - DRM_MEM_DRIVER ); + entry = DRM(alloc)( sizeof(drm_radeon_freelist_t), + DRM_MEM_DRIVER ); if ( !entry ) return -ENOMEM; entry->age = RADEON_BUFFER_FREE; @@ -1424,7 +1187,6 @@ int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n ) drm_radeon_ring_buffer_t *ring = &dev_priv->ring; int i; - DRM_DEBUG( "%s\n", __FUNCTION__ ); for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { ring->space = *ring->head - ring->tail; if ( ring->space <= 0 ) @@ -1445,7 +1207,6 @@ void radeon_update_ring_snapshot( drm_radeon_private_t *dev_priv ) { drm_radeon_ring_buffer_t *ring = &dev_priv->ring; - DRM_DEBUG( "%s\n", __FUNCTION__ ); ring->space = *ring->head - ring->tail; if ( ring->space == 0 ) atomic_inc( &dev_priv->idle_count ); @@ -1458,7 +1219,6 @@ static int radeon_cp_get_buffers( drm_device_t *dev, drm_dma_t *d ) int i; drm_buf_t *buf; - DRM_DEBUG( "%s\n", __FUNCTION__ ); for ( i = d->granted_count ; i < d->request_count ; i++ ) { buf = radeon_freelist_get( dev ); if ( !buf ) return -EAGAIN; @@ -1486,7 +1246,6 @@ int radeon_cp_buffers( struct inode *inode, struct file *filp, int ret = 0; drm_dma_t d; - DRM_DEBUG( "%s\n", __FUNCTION__ ); if ( copy_from_user( &d, (drm_dma_t *) arg, sizeof(d) ) ) return -EFAULT; diff --git a/linux/radeon_drm.h b/linux/radeon_drm.h index c5f9f66d..a7d7a71b 100644 --- a/linux/radeon_drm.h +++ b/linux/radeon_drm.h @@ -26,7 +26,6 @@ * Authors: * Kevin E. Martin <martin@valinux.com> * Gareth Hughes <gareth@valinux.com> - * */ #ifndef __RADEON_DRM_H__ @@ -276,15 +275,18 @@ typedef struct drm_radeon_fullscreen { #define CLEAR_Y2 3 #define CLEAR_DEPTH 4 +typedef union drm_radeon_clear_rect { + float f[5]; + unsigned int ui[5]; +} drm_radeon_clear_rect_t; + typedef struct drm_radeon_clear { unsigned int flags; - int x, y, w, h; unsigned int clear_color; unsigned int clear_depth; - union { - float f[5]; - unsigned int ui[5]; - } rect; + unsigned int color_mask; + unsigned int depth_mask; + drm_radeon_clear_rect_t *depth_boxes; } drm_radeon_clear_t; typedef struct drm_radeon_vertex { diff --git a/linux/radeon_drv.c b/linux/radeon_drv.c index 7441880a..cf59f866 100644 --- a/linux/radeon_drv.c +++ b/linux/radeon_drv.c @@ -1,7 +1,7 @@ /* radeon_drv.c -- ATI Radeon driver -*- linux-c -*- + * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com * - * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Fremont, California. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -18,693 +18,70 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: Kevin E. Martin <martin@valinux.com> - * Rickard E. (Rik) Faith <faith@valinux.com> + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * + * Authors: + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "radeon.h" #include "drmP.h" #include "radeon_drv.h" -#define RADEON_NAME "radeon" -#define RADEON_DESC "ATI Radeon" -#define RADEON_DATE "20010105" -#define RADEON_MAJOR 1 -#define RADEON_MINOR 0 -#define RADEON_PATCHLEVEL 0 - -static drm_device_t radeon_device; -drm_ctx_t radeon_res_ctx; - -static struct file_operations radeon_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: radeon_open, - flush: drm_flush, - release: radeon_release, - ioctl: radeon_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice radeon_misc = { - minor: MISC_DYNAMIC_MINOR, - name: RADEON_NAME, - fops: &radeon_fops, -}; - -static drm_ioctl_desc_t radeon_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { radeon_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { radeon_addbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { radeon_mapbufs, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { radeon_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { radeon_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { radeon_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { radeon_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { radeon_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { radeon_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { radeon_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { radeon_cp_buffers, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { radeon_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { radeon_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, -#endif - [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_INIT)] = { radeon_cp_init, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_START)] = { radeon_cp_start, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_STOP)] = { radeon_cp_stop, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_RESET)] = { radeon_cp_reset, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_IDLE)] = { radeon_cp_idle, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_RESET)] = { radeon_engine_reset, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_FULLSCREEN)] = { radeon_fullscreen, 1, 0 }, - - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_SWAP)] = { radeon_cp_swap, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CLEAR)] = { radeon_cp_clear, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_VERTEX)] = { radeon_cp_vertex, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDICES)] = { radeon_cp_indices, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_BLIT)] = { radeon_cp_blit, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_STIPPLE)] = { radeon_cp_stipple, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDIRECT)]= { radeon_cp_indirect,1, 1 }, -}; -#define RADEON_IOCTL_COUNT DRM_ARRAY_SIZE(radeon_ioctls) - -#ifdef MODULE -static char *radeon = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("radeon"); -MODULE_PARM(radeon, "s"); - -#ifndef MODULE -/* radeon_options is called by the kernel to parse command-line options - * passed via the boot-loader (e.g., LILO). It calls the insmod option - * routine, drm_parse_drm. - */ - -static int __init radeon_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("radeon=", radeon_options); -#endif - -static int radeon_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - drm_dma_setup(dev); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); - - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - radeon_res_ctx.handle = -1; - - DRM_DEBUG("\n"); - - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "radeon" +#define DRIVER_DESC "ATI Radeon" +#define DRIVER_DATE "20010216" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { radeon_cp_buffers, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_INIT)] = { radeon_cp_init, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_START)] = { radeon_cp_start, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_STOP)] = { radeon_cp_stop, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_RESET)] = { radeon_cp_reset, 1, 1 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_IDLE)] = { radeon_cp_idle, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_RESET)] = { radeon_engine_reset, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_FULLSCREEN)] = { radeon_fullscreen, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_SWAP)] = { radeon_cp_swap, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CLEAR)] = { radeon_cp_clear, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_VERTEX)] = { radeon_cp_vertex, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDICES)] = { radeon_cp_indices, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_BLIT)] = { radeon_cp_blit, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_STIPPLE)] = { radeon_cp_stipple, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDIRECT)] = { radeon_cp_indirect, 1, 1 }, - return 0; -} - - -static int radeon_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; - - /* Remove AGP resources, but leave dev->agp - intact until radeon_cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; - if (entry->bound) drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) _drm_agp_release(); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } -#endif - - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } -#endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - /* Do nothing here, because this is all - handled in the AGP/GART driver. */ - break; - case _DRM_SCATTER_GATHER: - if (dev->sg) { - drm_sg_cleanup(dev->sg); - dev->sg = NULL; - } - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - - drm_dma_takedown(dev); - - dev->queue_count = 0; - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* radeon_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init radeon_init(void) -{ - int retcode; - drm_device_t *dev = &radeon_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(radeon); -#endif - - if ((retcode = misc_register(&radeon_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", RADEON_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, radeon_misc.minor); - dev->name = RADEON_NAME; - - drm_mem_init(); - drm_proc_init(dev); - -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - dev->agp = drm_agp_init(); - if (dev->agp == NULL) { - DRM_ERROR("Cannot initialize agpgart module.\n"); - drm_proc_cleanup(); - misc_deregister(&radeon_misc); - radeon_takedown(dev); - return -ENOMEM; - } - -#ifdef CONFIG_MTRR - dev->agp->agp_mtrr = mtrr_add(dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size*1024*1024, - MTRR_TYPE_WRCOMB, - 1); -#endif -#endif - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&radeon_misc); - radeon_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - RADEON_NAME, - RADEON_MAJOR, - RADEON_MINOR, - RADEON_PATCHLEVEL, - RADEON_DATE, - radeon_misc.minor); - - return 0; -} - -/* radeon_cleanup is called via cleanup_module at module unload time. */ - -static void __exit radeon_cleanup(void) -{ - drm_device_t *dev = &radeon_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&radeon_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); - radeon_takedown(dev); -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -#endif -} - -module_init(radeon_init); -module_exit(radeon_cleanup); - - -int radeon_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } - - version.version_major = RADEON_MAJOR; - version.version_minor = RADEON_MINOR; - version.version_patchlevel = RADEON_PATCHLEVEL; - - DRM_COPY(version.name, RADEON_NAME); - DRM_COPY(version.date, RADEON_DATE); - DRM_COPY(version.desc, RADEON_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int radeon_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &radeon_device; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return radeon_setup(dev); - } - spin_unlock(&dev->count_lock); - } - - return retcode; -} - -int radeon_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - - /* Force the cleanup of page flipping when required */ - if ( dev->dev_private ) { - drm_radeon_private_t *dev_priv = dev->dev_private; - if ( dev_priv->page_flipping ) { - radeon_do_cleanup_pageflip( dev ); - } - } - - if (!(retcode = drm_release(inode, filp))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return radeon_takedown(dev); - } - spin_unlock(&dev->count_lock); - } - - unlock_kernel(); - return retcode; -} - -/* radeon_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int radeon_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, priv->authenticated); - - if (nr >= RADEON_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &radeon_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function\n"); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int radeon_lock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - DECLARE_WAITQUEUE(entry, current); - int ret = 0; - drm_lock_t lock; -#if DRM_DMA_HISTOGRAM - cycles_t start; - - dev->lck_start = start = get_cycles(); -#endif - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", - lock.context, current->pid, dev->lock.hw_lock->lock, - lock.flags); - - if (lock.context < 0 /* || lock.context >= dev->queue_count */) - return -EINVAL; - - if (!ret) { - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - ret = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - lock.context)) { - dev->lock.pid = current->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - - /* Contention */ - atomic_inc(&dev->total_sleeps); - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - } - - if (!ret) { - sigemptyset(&dev->sigmask); - sigaddset(&dev->sigmask, SIGSTOP); - sigaddset(&dev->sigmask, SIGTSTP); - sigaddset(&dev->sigmask, SIGTTIN); - sigaddset(&dev->sigmask, SIGTTOU); - dev->sigdata.context = lock.context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); - if (lock.flags & _DRM_LOCK_READY) { - /* Wait for space in DMA/FIFO */ - } - if (lock.flags & _DRM_LOCK_QUIESCENT) { - /* Make hardware quiescent */ - DRM_DEBUG("not quiescent!\n"); #if 0 - radeon_quiescent(dev); -#endif - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != radeon_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY/4; - } -#endif - DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); - -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.lacq[drm_histogram_slot(get_cycles() - start)]); -#endif - - return ret; -} - - -int radeon_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d frees lock (%d holds)\n", - lock.context, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - /* FIXME: Try to send data to card here */ - if (!dev->context_flag) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("\n"); - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != radeon_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY; - } -#endif - unblock_all_signals(); - return 0; -} +/* GH: Count data sent to card via ring or vertex/indirect buffers. + */ +#define __HAVE_COUNTERS 3 +#define __HAVE_COUNTER6 _DRM_STAT_IRQ +#define __HAVE_COUNTER7 _DRM_STAT_PRIMARY +#define __HAVE_COUNTER8 _DRM_STAT_SECONDARY +#endif + + +#include "drm_agpsupport.h" +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux/radeon_drv.h b/linux/radeon_drv.h index 61f86ae9..e67a610f 100644 --- a/linux/radeon_drv.h +++ b/linux/radeon_drv.h @@ -24,14 +24,10 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Kevin E. Martin <martin@valinux.com> - * Gareth Hughes <gareth@valinux.com> - * + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> */ -#include "ati_pcigart.h" - #ifndef __RADEON_DRV_H__ #define __RADEON_DRV_H__ @@ -52,6 +48,8 @@ typedef struct drm_radeon_ring_buffer { u32 tail; u32 tail_mask; int space; + + int high_mark; } drm_radeon_ring_buffer_t; typedef struct drm_radeon_depth_clear_t { @@ -93,13 +91,13 @@ typedef struct drm_radeon_private { u32 crtc_offset; u32 crtc_offset_cntl; - unsigned int color_fmt; + u32 color_fmt; unsigned int front_offset; unsigned int front_pitch; unsigned int back_offset; unsigned int back_pitch; - unsigned int depth_fmt; + u32 depth_fmt; unsigned int depth_offset; unsigned int depth_pitch; @@ -109,8 +107,6 @@ typedef struct drm_radeon_private { drm_radeon_depth_clear_t depth_clear; - unsigned long phys_pci_gart; - drm_map_t *sarea; drm_map_t *fb; drm_map_t *mmio; @@ -128,18 +124,6 @@ typedef struct drm_radeon_buf_priv { drm_radeon_freelist_t *list_entry; } drm_radeon_buf_priv_t; - /* radeon_drv.c */ -extern int radeon_version( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int radeon_open( struct inode *inode, struct file *filp ); -extern int radeon_release( struct inode *inode, struct file *filp ); -extern int radeon_ioctl( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int radeon_lock( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); -extern int radeon_unlock( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ); - /* radeon_cp.c */ extern int radeon_cp_init( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); @@ -165,6 +149,7 @@ extern int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n ); extern void radeon_update_ring_snapshot( drm_radeon_private_t *dev_priv ); extern int radeon_do_cp_idle( drm_radeon_private_t *dev_priv ); +extern int radeon_do_cleanup_cp( drm_device_t *dev ); extern int radeon_do_cleanup_pageflip( drm_device_t *dev ); /* radeon_state.c */ @@ -183,31 +168,6 @@ extern int radeon_cp_stipple( struct inode *inode, struct file *filp, extern int radeon_cp_indirect( struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg ); - /* radeon_bufs.c */ -extern int radeon_addbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int radeon_mapbufs(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - /* radeon_context.c */ -extern int radeon_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int radeon_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int radeon_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int radeon_getctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int radeon_switchctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int radeon_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int radeon_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - -extern int radeon_context_switch(drm_device_t *dev, int old, int new); -extern int radeon_context_switch_complete(drm_device_t *dev, int new); - /* Register definitions, register access macros and drmAddMap constants * for Radeon kernel driver. @@ -538,27 +498,27 @@ extern int radeon_context_switch_complete(drm_device_t *dev, int new); #define RADEON_MAX_VB_AGE 0x7fffffff #define RADEON_MAX_VB_VERTS (0xffff) +#define RADEON_RING_HIGH_MARK 128 + #define RADEON_BASE(reg) ((u32)(dev_priv->mmio->handle)) -#define RADEON_ADDR(reg) (RADEON_BASE(reg) + reg) +#define RADEON_ADDR(reg) (RADEON_BASE( reg ) + reg) -#define RADEON_DEREF(reg) *(__volatile__ u32 *)RADEON_ADDR(reg) -#define RADEON_READ(reg) RADEON_DEREF(reg) -#define RADEON_WRITE(reg,val) do { RADEON_DEREF(reg) = val; } while (0) +#define RADEON_DEREF(reg) *(volatile u32 *)RADEON_ADDR( reg ) +#define RADEON_READ(reg) RADEON_DEREF( reg ) +#define RADEON_WRITE(reg, val) do { RADEON_DEREF( reg ) = val; } while (0) -#define RADEON_DEREF8(reg) *(__volatile__ u8 *)RADEON_ADDR(reg) -#define RADEON_READ8(reg) RADEON_DEREF8(reg) -#define RADEON_WRITE8(reg,val) do { RADEON_DEREF8(reg) = val; } while (0) +#define RADEON_DEREF8(reg) *(volatile u8 *)RADEON_ADDR( reg ) +#define RADEON_READ8(reg) RADEON_DEREF8( reg ) +#define RADEON_WRITE8(reg, val) do { RADEON_DEREF8( reg ) = val; } while (0) -#define RADEON_WRITE_PLL(addr,val) \ -do { \ - RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, \ - ((addr) & 0x1f) | RADEON_PLL_WR_EN); \ - RADEON_WRITE(RADEON_CLOCK_CNTL_DATA, (val)); \ +#define RADEON_WRITE_PLL( addr, val ) do { \ + RADEON_WRITE8( RADEON_CLOCK_CNTL_INDEX, \ + ((addr) & 0x1f) | RADEON_PLL_WR_EN ); \ + RADEON_WRITE( RADEON_CLOCK_CNTL_DATA, (val) ); \ } while (0) -extern int RADEON_READ_PLL(drm_device_t *dev, int addr); - +extern int RADEON_READ_PLL( drm_device_t *dev, int addr ); #define CP_PACKET0( reg, n ) \ @@ -577,54 +537,46 @@ extern int RADEON_READ_PLL(drm_device_t *dev, int addr); * Engine control helper macros */ -#define RADEON_WAIT_UNTIL_2D_IDLE() \ -do { \ +#define RADEON_WAIT_UNTIL_2D_IDLE() do { \ OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \ OUT_RING( (RADEON_WAIT_2D_IDLECLEAN | \ RADEON_WAIT_HOST_IDLECLEAN) ); \ } while (0) -#define RADEON_WAIT_UNTIL_3D_IDLE() \ -do { \ +#define RADEON_WAIT_UNTIL_3D_IDLE() do { \ OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \ OUT_RING( (RADEON_WAIT_3D_IDLECLEAN | \ RADEON_WAIT_HOST_IDLECLEAN) ); \ } while (0) -#define RADEON_WAIT_UNTIL_IDLE() \ -do { \ +#define RADEON_WAIT_UNTIL_IDLE() do { \ OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \ OUT_RING( (RADEON_WAIT_2D_IDLECLEAN | \ RADEON_WAIT_3D_IDLECLEAN | \ RADEON_WAIT_HOST_IDLECLEAN) ); \ } while (0) -#define RADEON_WAIT_UNTIL_PAGE_FLIPPED() \ -do { \ +#define RADEON_WAIT_UNTIL_PAGE_FLIPPED() do { \ OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \ OUT_RING( RADEON_WAIT_CRTC_PFLIP ); \ } while (0) -#define RADEON_FLUSH_CACHE() \ -do { \ +#define RADEON_FLUSH_CACHE() do { \ OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) ); \ OUT_RING( RADEON_RB2D_DC_FLUSH ); \ } while (0) -#define RADEON_PURGE_CACHE() \ -do { \ +#define RADEON_PURGE_CACHE() do { \ OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) ); \ OUT_RING( RADEON_RB2D_DC_FLUSH_ALL ); \ } while (0) -#define RADEON_FLUSH_ZCACHE() \ -do { \ +#define RADEON_FLUSH_ZCACHE() do { \ OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) ); \ OUT_RING( RADEON_RB3D_ZC_FLUSH ); \ } while (0) -#define RADEON_PURGE_ZCACHE() \ -do { \ +#define RADEON_PURGE_ZCACHE() do { \ OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) ); \ OUT_RING( RADEON_RB3D_ZC_FLUSH_ALL ); \ } while (0) @@ -634,7 +586,25 @@ do { \ * Misc helper macros */ -#define VB_AGE_CHECK_WITH_RET( dev_priv ) \ +#define RING_SPACE_TEST_WITH_RETURN( dev_priv ) \ +do { \ + drm_radeon_ring_buffer_t *ring = &dev_priv->ring; int i; \ + if ( ring->space < ring->high_mark ) { \ + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { \ + ring->space = *ring->head - ring->tail; \ + if ( ring->space <= 0 ) \ + ring->space += ring->size; \ + if ( ring->space >= ring->high_mark ) \ + goto __ring_space_done; \ + udelay( 1 ); \ + } \ + DRM_ERROR( "ring space check failed!\n" ); \ + return -EBUSY; \ + } \ + __ring_space_done: \ +} while (0) + +#define VB_AGE_TEST_WITH_RETURN( dev_priv ) \ do { \ drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; \ if ( sarea_priv->last_dispatch >= RADEON_MAX_VB_AGE ) { \ @@ -645,20 +615,17 @@ do { \ } \ } while (0) -#define RADEON_DISPATCH_AGE( age ) \ -do { \ +#define RADEON_DISPATCH_AGE( age ) do { \ OUT_RING( CP_PACKET0( RADEON_LAST_DISPATCH_REG, 0 ) ); \ OUT_RING( age ); \ } while (0) -#define RADEON_FRAME_AGE( age ) \ -do { \ +#define RADEON_FRAME_AGE( age ) do { \ OUT_RING( CP_PACKET0( RADEON_LAST_FRAME_REG, 0 ) ); \ OUT_RING( age ); \ } while (0) -#define RADEON_CLEAR_AGE( age ) \ -do { \ +#define RADEON_CLEAR_AGE( age ) do { \ OUT_RING( CP_PACKET0( RADEON_LAST_CLEAR_REG, 0 ) ); \ OUT_RING( age ); \ } while (0) diff --git a/linux/radeon_state.c b/linux/radeon_state.c index 73e6dcbd..9b84a739 100644 --- a/linux/radeon_state.c +++ b/linux/radeon_state.c @@ -23,12 +23,12 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Kevin E. Martin <martin@valinux.com> * Gareth Hughes <gareth@valinux.com> - * + * Kevin E. Martin <martin@valinux.com> */ #define __NO_VERSION__ +#include "radeon.h" #include "drmP.h" #include "radeon_drv.h" #include "drm.h" @@ -486,7 +486,8 @@ static void radeon_print_dirty( const char *msg, unsigned int flags ) } static void radeon_cp_dispatch_clear( drm_device_t *dev, - drm_radeon_clear_t *clear ) + drm_radeon_clear_t *clear, + drm_radeon_clear_rect_t *depth_boxes ) { drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; @@ -525,7 +526,7 @@ static void radeon_cp_dispatch_clear( drm_device_t *dev, RADEON_WAIT_UNTIL_3D_IDLE(); OUT_RING( CP_PACKET0( RADEON_DP_WRITE_MASK, 0 ) ); - OUT_RING( sarea_priv->context_state.rb3d_planemask ); + OUT_RING( clear->color_mask ); ADVANCE_RING(); @@ -609,17 +610,17 @@ static void radeon_cp_dispatch_clear( drm_device_t *dev, RADEON_VTX_FMT_RADEON_MODE | (3 << RADEON_NUM_VERTICES_SHIFT)) ); - OUT_RING( clear->rect.ui[CLEAR_X1] ); - OUT_RING( clear->rect.ui[CLEAR_Y1] ); - OUT_RING( clear->rect.ui[CLEAR_DEPTH] ); + OUT_RING( depth_boxes[i].ui[CLEAR_X1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); - OUT_RING( clear->rect.ui[CLEAR_X1] ); - OUT_RING( clear->rect.ui[CLEAR_Y2] ); - OUT_RING( clear->rect.ui[CLEAR_DEPTH] ); + OUT_RING( depth_boxes[i].ui[CLEAR_X1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); - OUT_RING( clear->rect.ui[CLEAR_X2] ); - OUT_RING( clear->rect.ui[CLEAR_Y2] ); - OUT_RING( clear->rect.ui[CLEAR_DEPTH] ); + OUT_RING( depth_boxes[i].ui[CLEAR_X2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); ADVANCE_RING(); @@ -778,7 +779,7 @@ static void radeon_cp_dispatch_vertex( drm_device_t *dev, radeon_update_ring_snapshot( dev_priv ); - if ( 1 ) + if ( 0 ) radeon_print_dirty( "dispatch_vertex", sarea_priv->dirty ); if ( buf->used ) { @@ -1118,6 +1119,7 @@ int radeon_cp_clear( struct inode *inode, struct file *filp, drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; drm_radeon_clear_t clear; + drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS]; DRM_DEBUG( "%s\n", __FUNCTION__ ); if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || @@ -1126,14 +1128,21 @@ int radeon_cp_clear( struct inode *inode, struct file *filp, return -EINVAL; } - if ( copy_from_user( &clear, (drm_radeon_clear_t *) arg, + if ( copy_from_user( &clear, (drm_radeon_clear_t *)arg, sizeof(clear) ) ) return -EFAULT; + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS ) sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; - radeon_cp_dispatch_clear( dev, &clear ); + if ( copy_from_user( &depth_boxes, clear.depth_boxes, + sarea_priv->nbox * sizeof(depth_boxes[0]) ) ) + return -EFAULT; + + radeon_cp_dispatch_clear( dev, &clear, depth_boxes ); return 0; } @@ -1153,6 +1162,8 @@ int radeon_cp_swap( struct inode *inode, struct file *filp, return -EINVAL; } + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS ) sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; @@ -1207,7 +1218,8 @@ int radeon_cp_vertex( struct inode *inode, struct file *filp, return -EINVAL; } - VB_AGE_CHECK_WITH_RET( dev_priv ); + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); buf = dma->buflist[vertex.idx]; buf_priv = buf->dev_private; @@ -1272,7 +1284,8 @@ int radeon_cp_indices( struct inode *inode, struct file *filp, return -EINVAL; } - VB_AGE_CHECK_WITH_RET( dev_priv ); + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); buf = dma->buflist[elts.idx]; buf_priv = buf->dev_private; @@ -1336,7 +1349,8 @@ int radeon_cp_blit( struct inode *inode, struct file *filp, return -EINVAL; } - VB_AGE_CHECK_WITH_RET( dev_priv ); + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); return radeon_cp_dispatch_blit( dev, &blit ); } @@ -1346,6 +1360,7 @@ int radeon_cp_stipple( struct inode *inode, struct file *filp, { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; + drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_stipple_t stipple; u32 mask[32]; @@ -1363,6 +1378,8 @@ int radeon_cp_stipple( struct inode *inode, struct file *filp, 32 * sizeof(u32) ) ) return -EFAULT; + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + radeon_cp_dispatch_stipple( dev, mask ); return 0; @@ -1385,7 +1402,7 @@ int radeon_cp_indirect( struct inode *inode, struct file *filp, DRM_ERROR( "%s called without lock held\n", __FUNCTION__ ); return -EINVAL; } - if ( !dev_priv ) { + if ( !dev_priv || dev_priv->is_pci ) { DRM_ERROR( "%s called with a PCI card\n", __FUNCTION__ ); return -EINVAL; } @@ -1423,7 +1440,8 @@ int radeon_cp_indirect( struct inode *inode, struct file *filp, return -EINVAL; } - VB_AGE_CHECK_WITH_RET( dev_priv ); + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); buf->used = indirect.end; buf_priv->discard = indirect.discard; diff --git a/linux/scatter.c b/linux/scatter.c deleted file mode 100644 index 36066e64..00000000 --- a/linux/scatter.c +++ /dev/null @@ -1,210 +0,0 @@ -/* scatter.c -- IOCTLs to manage scatter/gather memory -*- linux-c -*- - * Created: Mon Dec 18 23:20:54 2000 by gareth@valinux.com - * - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Gareth Hughes <gareth@valinux.com> - */ - -#define __NO_VERSION__ -#include <linux/config.h> -#include <linux/vmalloc.h> -#include "drmP.h" - -#define DEBUG_SCATTER 0 - -void drm_sg_cleanup( drm_sg_mem_t *entry ) -{ - struct page *page; - int i; - - for ( i = 0 ; i < entry->pages ; i++ ) { - page = entry->pagelist[i]; - if ( page ) - ClearPageReserved( page ); - } - - vfree( entry->virtual ); - - drm_free( entry->pagelist, - entry->pages * sizeof(*entry->pagelist), - DRM_MEM_PAGES ); - drm_free( entry, - sizeof(*entry), - DRM_MEM_SGLISTS ); -} - -int drm_sg_alloc( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_scatter_gather_t request; - drm_sg_mem_t *entry; - unsigned long pages, i, j; - pgd_t *pgd; - pmd_t *pmd; - pte_t *pte; - - DRM_DEBUG( "%s\n", __FUNCTION__ ); - - if ( dev->sg ) - return -EINVAL; - - if ( copy_from_user( &request, - (drm_scatter_gather_t *)arg, - sizeof(request) ) ) - return -EFAULT; - - entry = drm_alloc( sizeof(*entry), DRM_MEM_SGLISTS ); - if ( !entry ) - return -ENOMEM; - - memset( entry, 0, sizeof(*entry) ); - - pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; - DRM_DEBUG( "sg size=%ld pages=%ld\n", request.size, pages ); - - entry->pages = pages; - entry->pagelist = drm_alloc( pages * sizeof(*entry->pagelist), - DRM_MEM_PAGES ); - if ( !entry->pagelist ) { - drm_free( entry, sizeof(*entry), DRM_MEM_SGLISTS ); - return -ENOMEM; - } - - entry->virtual = vmalloc_32( pages << PAGE_SHIFT ); - if ( !entry->virtual ) { - drm_free( entry->pagelist, - entry->pages * sizeof(*entry->pagelist), - DRM_MEM_PAGES ); - drm_free( entry, - sizeof(*entry), - DRM_MEM_SGLISTS ); - return -ENOMEM; - } - - /* This also forces the mapping of COW pages, so our page list - * will be valid. Please don't remove it... - */ - memset( entry->virtual, 0, pages << PAGE_SHIFT ); - - entry->handle = (unsigned long)entry->virtual; - - DRM_DEBUG( "sg alloc handle = %08lx\n", entry->handle ); - DRM_DEBUG( "sg alloc virtual = %p\n", entry->virtual ); - - for ( i = entry->handle, j = 0 ; j < pages ; i += PAGE_SIZE, j++ ) { - pgd = pgd_offset_k( i ); - if ( !pgd_present( *pgd ) ) - goto failed; - - pmd = pmd_offset( pgd, i ); - if ( !pmd_present( *pmd ) ) - goto failed; - - pte = pte_offset( pmd, i ); - if ( !pte_present( *pte ) ) - goto failed; - - entry->pagelist[j] = pte_page( *pte ); - - SetPageReserved( entry->pagelist[j] ); - } - - request.handle = entry->handle; - - if ( copy_to_user( (drm_scatter_gather_t *)arg, - &request, - sizeof(request) ) ) { - drm_sg_cleanup( entry ); - return -EFAULT; - } - - dev->sg = entry; - -#if DEBUG_SCATTER - /* Verify that each page points to its virtual address, and vice - * versa. - */ - { - int error = 0; - - for(i = 0; i < pages; i++) { - unsigned long *tmp; - - tmp = (unsigned long *)entry->pagelist[i]->virtual; - for(j = 0; j < PAGE_SIZE / sizeof(unsigned long); j++, tmp++) { - *tmp = 0xcafebabe; - } - tmp = (unsigned long *)((u8 *)entry->virtual + - (PAGE_SIZE * i)); - for(j = 0; j < PAGE_SIZE / sizeof(unsigned long); j++, tmp++) { - if(*tmp != 0xcafebabe && error == 0) { - error = 1; - printk("Scatter allocation error, pagelist" - " does not match virtual mapping\n"); - } - } - tmp = (unsigned long *)entry->pagelist[i]->virtual; - for(j = 0; j < PAGE_SIZE / sizeof(unsigned long); j++, tmp++) { - *tmp = 0; - } - } - if(error == 0) printk("Scatter allocation matches pagelist\n"); - } -#endif - - return 0; - - failed: - drm_sg_cleanup( entry ); - return -ENOMEM; -} - -int drm_sg_free( struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg ) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_scatter_gather_t request; - drm_sg_mem_t *entry; - - if ( copy_from_user( &request, - (drm_scatter_gather_t *)arg, - sizeof(request) ) ) - return -EFAULT; - - entry = dev->sg; - dev->sg = NULL; - - if ( !entry || entry->handle != request.handle ) - return -EINVAL; - - DRM_DEBUG( "sg free virtual = %p\n", entry->virtual ); - - drm_sg_cleanup( entry ); - - return 0; -} diff --git a/linux/stubsupport-pre24.h b/linux/stubsupport-pre24.h new file mode 100644 index 00000000..f5046f7f --- /dev/null +++ b/linux/stubsupport-pre24.h @@ -0,0 +1,44 @@ +/* stubsupport.h -- -*- linux-c -*- + * Created: Fri Jan 19 10:48:35 2001 by faith@acm.org + * + * Copyright 2001 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * + */ + +#ifndef _STUBSUPPORT_PRE24_H_ +#define _STUBSUPPORT_PRE24_H_ +struct drm_stub_info *DRM(_stub_pointer) = NULL; +#define inter_module_put(x) +#define inter_module_unregister(x) +#define inter_module_get(x) DRM(_stub_pointer) +#define inter_module_register(x,y,z) do { DRM(_stub_pointer) = z; } while (0) + + /* This is a kludge for backward compatibility + that is only useful in DRM(stub_open) */ +#define fops_put(fops) MOD_DEC_USE_COUNT +#define fops_get(fops) (fops); MOD_INC_USE_COUNT + +#endif diff --git a/linux/tdfx.h b/linux/tdfx.h new file mode 100644 index 00000000..40aba8fb --- /dev/null +++ b/linux/tdfx.h @@ -0,0 +1,42 @@ +/* tdfx.h -- 3dfx DRM template customization -*- linux-c -*- + * Created: Wed Feb 14 12:32:32 2001 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __TDFX_H__ +#define __TDFX_H__ + +/* This remains constant for all DRM template files. + */ +#define DRM(x) tdfx_##x + +/* General customization: + */ +#define __HAVE_MTRR 1 +#define __HAVE_CTX_BITMAP 1 + +#endif diff --git a/linux/tdfx_context.c b/linux/tdfx_context.c deleted file mode 100644 index 1fd73310..00000000 --- a/linux/tdfx_context.c +++ /dev/null @@ -1,219 +0,0 @@ -/* tdfx_context.c -- IOCTLs for tdfx contexts -*- linux-c -*- - * Created: Thu Oct 7 10:50:22 1999 by faith@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Daryll Strauss <daryll@valinux.com> - * - */ - -#define __NO_VERSION__ -#include "drmP.h" -#include "tdfx_drv.h" - -extern drm_ctx_t tdfx_res_ctx; - -static int tdfx_alloc_queue(drm_device_t *dev) -{ - return drm_ctxbitmap_next(dev); -} - -int tdfx_context_switch(drm_device_t *dev, int old, int new) -{ - char buf[64]; - - atomic_inc(&dev->total_ctx); - - if (test_and_set_bit(0, &dev->context_flag)) { - DRM_ERROR("Reentering -- FIXME\n"); - return -EBUSY; - } - -#if DRM_DMA_HISTOGRAM - dev->ctx_start = get_cycles(); -#endif - - DRM_DEBUG("Context switch from %d to %d\n", old, new); - - if (new == dev->last_context) { - clear_bit(0, &dev->context_flag); - return 0; - } - - if (drm_flags & DRM_FLAG_NOCTX) { - tdfx_context_switch_complete(dev, new); - } else { - sprintf(buf, "C %d %d\n", old, new); - drm_write_string(dev, buf); - } - - return 0; -} - -int tdfx_context_switch_complete(drm_device_t *dev, int new) -{ - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - dev->last_switch = jiffies; - - if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { - DRM_ERROR("Lock isn't held after context switch\n"); - } - - /* If a context switch is ever initiated - when the kernel holds the lock, release - that lock here. */ -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.ctx[drm_histogram_slot(get_cycles() - - dev->ctx_start)]); - -#endif - clear_bit(0, &dev->context_flag); - wake_up(&dev->context_wait); - - return 0; -} - - -int tdfx_resctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_res_t res; - drm_ctx_t ctx; - int i; - - DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); - if (copy_from_user(&res, (drm_ctx_res_t *)arg, sizeof(res))) - return -EFAULT; - if (res.count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - ctx.handle = i; - if (copy_to_user(&res.contexts[i], - &i, - sizeof(i))) - return -EFAULT; - } - } - res.count = DRM_RESERVED_CONTEXTS; - if (copy_to_user((drm_ctx_res_t *)arg, &res, sizeof(res))) - return -EFAULT; - return 0; -} - - -int tdfx_addctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - if ((ctx.handle = tdfx_alloc_queue(dev)) == DRM_KERNEL_CONTEXT) { - /* Skip kernel's context and get a new one. */ - ctx.handle = tdfx_alloc_queue(dev); - } - DRM_DEBUG("%d\n", ctx.handle); - if (ctx.handle == -1) { - DRM_DEBUG("Not enough free contexts.\n"); - /* Should this return -EBUSY instead? */ - return -ENOMEM; - } - - if (copy_to_user((drm_ctx_t *)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int tdfx_modctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t*)arg, sizeof(ctx))) - return -EFAULT; - if (ctx.flags==_DRM_CONTEXT_PRESERVED) - tdfx_res_ctx.handle=ctx.handle; - return 0; -} - -int tdfx_getctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t*)arg, sizeof(ctx))) - return -EFAULT; - /* This is 0, because we don't handle any context flags */ - ctx.flags = 0; - if (copy_to_user((drm_ctx_t*)arg, &ctx, sizeof(ctx))) - return -EFAULT; - return 0; -} - -int tdfx_switchctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - return tdfx_context_switch(dev, dev->last_context, ctx.handle); -} - -int tdfx_newctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - tdfx_context_switch_complete(dev, ctx.handle); - - return 0; -} - -int tdfx_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_ctx_t ctx; - - if (copy_from_user(&ctx, (drm_ctx_t *)arg, sizeof(ctx))) - return -EFAULT; - DRM_DEBUG("%d\n", ctx.handle); - drm_ctxbitmap_free(dev, ctx.handle); - - return 0; -} diff --git a/linux/tdfx_drv.c b/linux/tdfx_drv.c index b98a2988..71d065f1 100644 --- a/linux/tdfx_drv.c +++ b/linux/tdfx_drv.c @@ -27,670 +27,36 @@ * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> * Daryll Strauss <daryll@valinux.com> - * + * Gareth Hughes <gareth@valinux.com> */ #include <linux/config.h> +#include "tdfx.h" #include "drmP.h" -#include "tdfx_drv.h" - -#define TDFX_NAME "tdfx" -#define TDFX_DESC "3dfx Banshee/Voodoo3+" -#define TDFX_DATE "20001030" -#define TDFX_MAJOR 1 -#define TDFX_MINOR 0 -#define TDFX_PATCHLEVEL 0 - -static drm_device_t tdfx_device; -drm_ctx_t tdfx_res_ctx; - -static struct file_operations tdfx_fops = { -#if LINUX_VERSION_CODE >= 0x020400 - /* This started being used during 2.4.0-test */ - owner: THIS_MODULE, -#endif - open: tdfx_open, - flush: drm_flush, - release: tdfx_release, - ioctl: tdfx_ioctl, - mmap: drm_mmap, - read: drm_read, - fasync: drm_fasync, - poll: drm_poll, -}; - -static struct miscdevice tdfx_misc = { - minor: MISC_DYNAMIC_MINOR, - name: TDFX_NAME, - fops: &tdfx_fops, -}; - -static drm_ioctl_desc_t tdfx_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { tdfx_version, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, - - [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { tdfx_addctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { tdfx_rmctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { tdfx_modctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { tdfx_getctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { tdfx_switchctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { tdfx_newctx, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { tdfx_resctx, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, - [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { tdfx_lock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { tdfx_unlock, 1, 0 }, - [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 }, -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = {drm_agp_acquire, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = {drm_agp_release, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = {drm_agp_enable, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = {drm_agp_info, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = {drm_agp_alloc, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = {drm_agp_free, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = {drm_agp_unbind, 1, 1}, - [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = {drm_agp_bind, 1, 1}, -#endif -}; -#define TDFX_IOCTL_COUNT DRM_ARRAY_SIZE(tdfx_ioctls) - -#ifdef MODULE -static char *tdfx = NULL; -#endif - -MODULE_AUTHOR("VA Linux Systems, Inc."); -MODULE_DESCRIPTION("tdfx"); -MODULE_PARM(tdfx, "s"); - -#ifndef MODULE -/* tdfx_options is called by the kernel to parse command-line options - * passed via the boot-loader (e.g., LILO). It calls the insmod option - * routine, drm_parse_drm. - */ - -static int __init tdfx_options(char *str) -{ - drm_parse_options(str); - return 1; -} - -__setup("tdfx=", tdfx_options); -#endif - -static int tdfx_setup(drm_device_t *dev) -{ - int i; - - atomic_set(&dev->ioctl_count, 0); - atomic_set(&dev->vma_count, 0); - dev->buf_use = 0; - atomic_set(&dev->buf_alloc, 0); - - atomic_set(&dev->total_open, 0); - atomic_set(&dev->total_close, 0); - atomic_set(&dev->total_ioctl, 0); - atomic_set(&dev->total_irq, 0); - atomic_set(&dev->total_ctx, 0); - atomic_set(&dev->total_locks, 0); - atomic_set(&dev->total_unlocks, 0); - atomic_set(&dev->total_contends, 0); - atomic_set(&dev->total_sleeps, 0); - - for (i = 0; i < DRM_HASH_SIZE; i++) { - dev->magiclist[i].head = NULL; - dev->magiclist[i].tail = NULL; - } - dev->maplist = NULL; - dev->map_count = 0; - dev->vmalist = NULL; - dev->lock.hw_lock = NULL; - init_waitqueue_head(&dev->lock.lock_queue); - dev->queue_count = 0; - dev->queue_reserved = 0; - dev->queue_slots = 0; - dev->queuelist = NULL; - dev->irq = 0; - dev->context_flag = 0; - dev->interrupt_flag = 0; - dev->dma = 0; - dev->dma_flag = 0; - dev->last_context = 0; - dev->last_switch = 0; - dev->last_checked = 0; - init_timer(&dev->timer); - init_waitqueue_head(&dev->context_wait); - - dev->ctx_start = 0; - dev->lck_start = 0; - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_async = NULL; - init_waitqueue_head(&dev->buf_readers); - init_waitqueue_head(&dev->buf_writers); - - tdfx_res_ctx.handle=-1; - - DRM_DEBUG("\n"); - - /* The kernel's context could be created here, but is now created - in drm_dma_enqueue. This is more resource-efficient for - hardware that does not do DMA, but may mean that - drm_select_queue fails between the time the interrupt is - initialized and the time the queues are initialized. */ - - return 0; -} - - -static int tdfx_takedown(drm_device_t *dev) -{ - int i; - drm_magic_entry_t *pt, *next; - drm_map_t *map; - drm_vma_entry_t *vma, *vma_next; - - DRM_DEBUG("\n"); - - down(&dev->struct_sem); - del_timer(&dev->timer); - - if (dev->devname) { - drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER); - dev->devname = NULL; - } - - if (dev->unique) { - drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER); - dev->unique = NULL; - dev->unique_len = 0; - } - /* Clear pid list */ - for (i = 0; i < DRM_HASH_SIZE; i++) { - for (pt = dev->magiclist[i].head; pt; pt = next) { - next = pt->next; - drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); - } - dev->magiclist[i].head = dev->magiclist[i].tail = NULL; - } -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - /* Clear AGP information */ - if (dev->agp) { - drm_agp_mem_t *temp; - drm_agp_mem_t *temp_next; - - temp = dev->agp->memory; - while(temp != NULL) { - temp_next = temp->next; - drm_free_agp(temp->memory, temp->pages); - drm_free(temp, sizeof(*temp), DRM_MEM_AGPLISTS); - temp = temp_next; - } - if (dev->agp->acquired) _drm_agp_release(); - } -#endif - /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; - } - - /* Clear map area and mtrr information */ - if (dev->maplist) { - for (i = 0; i < dev->map_count; i++) { - map = dev->maplist[i]; - switch (map->type) { - case _DRM_REGISTERS: - case _DRM_FRAME_BUFFER: -#ifdef CONFIG_MTRR - if (map->mtrr >= 0) { - int retcode; - retcode = mtrr_del(map->mtrr, - map->offset, - map->size); - DRM_DEBUG("mtrr_del = %d\n", retcode); - } -#endif - drm_ioremapfree(map->handle, map->size); - break; - case _DRM_SHM: - drm_free_pages((unsigned long)map->handle, - drm_order(map->size) - - PAGE_SHIFT, - DRM_MEM_SAREA); - break; - case _DRM_AGP: - /* Do nothing here, because this is all - handled in the AGP/GART driver. */ - break; - } - drm_free(map, sizeof(*map), DRM_MEM_MAPS); - } - drm_free(dev->maplist, - dev->map_count * sizeof(*dev->maplist), - DRM_MEM_MAPS); - dev->maplist = NULL; - dev->map_count = 0; - } - - if (dev->lock.hw_lock) { - dev->lock.hw_lock = NULL; /* SHM removed */ - dev->lock.pid = 0; - wake_up_interruptible(&dev->lock.lock_queue); - } - up(&dev->struct_sem); - - return 0; -} - -/* tdfx_init is called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). */ - -static int __init tdfx_init(void) -{ - int retcode; - drm_device_t *dev = &tdfx_device; - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - dev->count_lock = SPIN_LOCK_UNLOCKED; - sema_init(&dev->struct_sem, 1); - -#ifdef MODULE - drm_parse_options(tdfx); -#endif - - if ((retcode = misc_register(&tdfx_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", TDFX_NAME); - return retcode; - } - dev->device = MKDEV(MISC_MAJOR, tdfx_misc.minor); - dev->name = TDFX_NAME; - - drm_mem_init(); - drm_proc_init(dev); -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - dev->agp = drm_agp_init(); -#endif - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_proc_cleanup(); - misc_deregister(&tdfx_misc); - tdfx_takedown(dev); - return retcode; - } - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", - TDFX_NAME, - TDFX_MAJOR, - TDFX_MINOR, - TDFX_PATCHLEVEL, - TDFX_DATE, - tdfx_misc.minor); - - return 0; -} - -/* tdfx_cleanup is called via cleanup_module at module unload time. */ - -static void __exit tdfx_cleanup(void) -{ - drm_device_t *dev = &tdfx_device; - - DRM_DEBUG("\n"); - - drm_proc_cleanup(); - if (misc_deregister(&tdfx_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } - drm_ctxbitmap_cleanup(dev); - tdfx_takedown(dev); -#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) - if (dev->agp) { - drm_agp_uninit(); - drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -#endif -} - -module_init(tdfx_init); -module_exit(tdfx_cleanup); - - -int tdfx_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - if (copy_from_user(&version, - (drm_version_t *)arg, - sizeof(version))) - return -EFAULT; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - if (copy_to_user(name, value, len)) \ - return -EFAULT; \ - } - - version.version_major = TDFX_MAJOR; - version.version_minor = TDFX_MINOR; - version.version_patchlevel = TDFX_PATCHLEVEL; - - DRM_COPY(version.name, TDFX_NAME); - DRM_COPY(version.date, TDFX_DATE); - DRM_COPY(version.desc, TDFX_DESC); - - if (copy_to_user((drm_version_t *)arg, - &version, - sizeof(version))) - return -EFAULT; - return 0; -} - -int tdfx_open(struct inode *inode, struct file *filp) -{ - drm_device_t *dev = &tdfx_device; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_open_helper(inode, filp, dev))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_INC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_open); - spin_lock(&dev->count_lock); - if (!dev->open_count++) { - spin_unlock(&dev->count_lock); - return tdfx_setup(dev); - } - spin_unlock(&dev->count_lock); - } - return retcode; -} - -int tdfx_release(struct inode *inode, struct file *filp) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev; - int retcode = 0; - - lock_kernel(); - dev = priv->dev; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_release(inode, filp))) { -#if LINUX_VERSION_CODE < 0x020333 - MOD_DEC_USE_COUNT; /* Needed before Linux 2.3.51 */ -#endif - atomic_inc(&dev->total_close); - spin_lock(&dev->count_lock); - if (!--dev->open_count) { - if (atomic_read(&dev->ioctl_count) || dev->blocked) { - DRM_ERROR("Device busy: %d %d\n", - atomic_read(&dev->ioctl_count), - dev->blocked); - spin_unlock(&dev->count_lock); - unlock_kernel(); - return -EBUSY; - } - spin_unlock(&dev->count_lock); - unlock_kernel(); - return tdfx_takedown(dev); - } - spin_unlock(&dev->count_lock); - } - - unlock_kernel(); - return retcode; -} - -/* tdfx_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int tdfx_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - drm_ioctl_t *func; - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n", - current->pid, cmd, nr, dev->device, priv->authenticated); - - if (nr >= TDFX_IOCTL_COUNT) { - retcode = -EINVAL; - } else { - ioctl = &tdfx_ioctls[nr]; - func = ioctl->func; - - if (!func) { - DRM_DEBUG("no function\n"); - retcode = -EINVAL; - } else if ((ioctl->root_only && !capable(CAP_SYS_ADMIN)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = -EACCES; - } else { - retcode = (func)(inode, filp, cmd, arg); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} - -int tdfx_lock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - DECLARE_WAITQUEUE(entry, current); - int ret = 0; - drm_lock_t lock; -#if DRM_DMA_HISTOGRAM - cycles_t start; - - dev->lck_start = start = get_cycles(); -#endif - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", - lock.context, current->pid, dev->lock.hw_lock->lock, - lock.flags); - -#if 0 - /* dev->queue_count == 0 right now for - tdfx. FIXME? */ - if (lock.context < 0 || lock.context >= dev->queue_count) - return -EINVAL; -#endif - - if (!ret) { -#if 0 - if (_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) - != lock.context) { - long j = jiffies - dev->lock.lock_time; - - if (lock.context == tdfx_res_ctx.handle && - j >= 0 && j < DRM_LOCK_SLICE) { - /* Can't take lock if we just had it and - there is contention. */ - DRM_DEBUG("%d (pid %d) delayed j=%d dev=%d jiffies=%d\n", - lock.context, current->pid, j, - dev->lock.lock_time, jiffies); - current->state = TASK_INTERRUPTIBLE; - current->policy |= SCHED_YIELD; - schedule_timeout(DRM_LOCK_SLICE-j); - DRM_DEBUG("jiffies=%d\n", jiffies); - } - } -#endif - add_wait_queue(&dev->lock.lock_queue, &entry); - for (;;) { - current->state = TASK_INTERRUPTIBLE; - if (!dev->lock.hw_lock) { - /* Device has been unregistered */ - ret = -EINTR; - break; - } - if (drm_lock_take(&dev->lock.hw_lock->lock, - lock.context)) { - dev->lock.pid = current->pid; - dev->lock.lock_time = jiffies; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - - /* Contention */ - atomic_inc(&dev->total_sleeps); -#if 1 - current->policy |= SCHED_YIELD; -#endif - schedule(); - if (signal_pending(current)) { - ret = -ERESTARTSYS; - break; - } - } - current->state = TASK_RUNNING; - remove_wait_queue(&dev->lock.lock_queue, &entry); - } - -#if 0 - if (!ret && dev->last_context != lock.context && - lock.context != tdfx_res_ctx.handle && - dev->last_context != tdfx_res_ctx.handle) { - add_wait_queue(&dev->context_wait, &entry); - current->state = TASK_INTERRUPTIBLE; - /* PRE: dev->last_context != lock.context */ - tdfx_context_switch(dev, dev->last_context, lock.context); - /* POST: we will wait for the context - switch and will dispatch on a later call - when dev->last_context == lock.context - NOTE WE HOLD THE LOCK THROUGHOUT THIS - TIME! */ - current->policy |= SCHED_YIELD; - schedule(); - current->state = TASK_RUNNING; - remove_wait_queue(&dev->context_wait, &entry); - if (signal_pending(current)) { - ret = -EINTR; - } else if (dev->last_context != lock.context) { - DRM_ERROR("Context mismatch: %d %d\n", - dev->last_context, lock.context); - } - } -#endif - - if (!ret) { - sigemptyset(&dev->sigmask); - sigaddset(&dev->sigmask, SIGSTOP); - sigaddset(&dev->sigmask, SIGTSTP); - sigaddset(&dev->sigmask, SIGTTIN); - sigaddset(&dev->sigmask, SIGTTOU); - dev->sigdata.context = lock.context; - dev->sigdata.lock = dev->lock.hw_lock; - block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask); - - if (lock.flags & _DRM_LOCK_READY) { - /* Wait for space in DMA/FIFO */ - } - if (lock.flags & _DRM_LOCK_QUIESCENT) { - /* Make hardware quiescent */ -#if 0 - tdfx_quiescent(dev); -#endif - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != tdfx_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY/4; - } -#endif - DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); - -#if DRM_DMA_HISTOGRAM - atomic_inc(&dev->histo.lacq[drm_histogram_slot(get_cycles() - start)]); -#endif - - return ret; -} - - -int tdfx_unlock(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->dev; - drm_lock_t lock; - - if (copy_from_user(&lock, (drm_lock_t *)arg, sizeof(lock))) - return -EFAULT; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - current->pid, lock.context); - return -EINVAL; - } - - DRM_DEBUG("%d frees lock (%d holds)\n", - lock.context, - _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)); - atomic_inc(&dev->total_unlocks); - if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock)) - atomic_inc(&dev->total_contends); - drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT); - /* FIXME: Try to send data to card here */ - if (!dev->context_flag) { - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("\n"); - } - } - -#if LINUX_VERSION_CODE < 0x020400 - if (lock.context != tdfx_res_ctx.handle) { - current->counter = 5; - current->priority = DEF_PRIORITY; - } -#endif - unblock_all_signals(); - return 0; -} +#define DRIVER_AUTHOR "VA Linux Systems Inc." + +#define DRIVER_NAME "tdfx" +#define DRIVER_DESC "3dfx Banshee/Voodoo3+" +#define DRIVER_DATE "20010216" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + + +#include "drm_agpsupport.h" +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_lock.h" +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" diff --git a/linux/tdfx_drv.h b/linux/tdfx_drv.h deleted file mode 100644 index bee840e1..00000000 --- a/linux/tdfx_drv.h +++ /dev/null @@ -1,67 +0,0 @@ -/* tdfx_drv.h -- Private header for tdfx driver -*- linux-c -*- - * Created: Thu Oct 7 10:40:04 1999 by faith@precisioninsight.com - * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Daryll Strauss <daryll@valinux.com> - * - */ - -#ifndef _TDFX_DRV_H_ -#define _TDFX_DRV_H_ - - /* tdfx_drv.c */ -extern int tdfx_version(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int tdfx_open(struct inode *inode, struct file *filp); -extern int tdfx_release(struct inode *inode, struct file *filp); -extern int tdfx_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int tdfx_lock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int tdfx_unlock(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - - /* tdfx_context.c */ - -extern int tdfx_resctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int tdfx_addctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int tdfx_modctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int tdfx_getctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int tdfx_switchctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int tdfx_newctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); -extern int tdfx_rmctx(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg); - -extern int tdfx_context_switch(drm_device_t *dev, int old, int new); -extern int tdfx_context_switch_complete(drm_device_t *dev, int new); -#endif diff --git a/shared-core/drm.h b/shared-core/drm.h index f657eab9..740c4cc7 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -19,10 +19,10 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> @@ -35,6 +35,7 @@ #ifndef _DRM_H_ #define _DRM_H_ +#include <linux/config.h> #if defined(__linux__) #include <asm/ioctl.h> /* For _IO* macros */ #define DRM_IOCTL_NR(n) _IOC_NR(n) @@ -43,15 +44,8 @@ #define DRM_IOCTL_NR(n) ((n) & 0xff) #endif -#define DRM_PROC_DEVICES "/proc/devices" -#define DRM_PROC_MISC "/proc/misc" -#define DRM_PROC_DRM "/proc/drm" -#define DRM_DEV_DRM "/dev/drm" -#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) -#define DRM_DEV_UID 0 -#define DRM_DEV_GID 0 - - +#define DRM_MAJOR 226 +#define DRM_MAX_MINOR 15 #define DRM_NAME "drm" /* Name in kernel, /dev, and /proc */ #define DRM_MIN_ORDER 5 /* At least 2^5 bytes = 32 bytes */ #define DRM_MAX_ORDER 22 /* Up to 2^22 bytes = 4MB */ @@ -72,12 +66,20 @@ typedef unsigned int drm_magic_t; * XF86DRIClipRectRec in the server as well */ typedef struct drm_clip_rect { - unsigned short x1; - unsigned short y1; - unsigned short x2; - unsigned short y2; + unsigned short x1; + unsigned short y1; + unsigned short x2; + unsigned short y2; } drm_clip_rect_t; +typedef struct drm_tex_region { + unsigned char next; + unsigned char prev; + unsigned char in_use; + unsigned char padding; + unsigned int age; +} drm_tex_region_t; + /* Seperate include files for the i810/mga/r128 specific structures */ #include "mga_drm.h" #include "i810_drm.h" @@ -151,6 +153,44 @@ typedef struct drm_map { /* Private data */ } drm_map_t; +typedef struct drm_client { + int idx; /* Which client desired? */ + int auth; /* Is client authenticated? */ + unsigned long pid; /* Process id */ + unsigned long uid; /* User id */ + unsigned long magic; /* Magic */ + unsigned long iocs; /* Ioctl count */ +} drm_client_t; + +typedef enum { + _DRM_STAT_LOCK, + _DRM_STAT_OPENS, + _DRM_STAT_CLOSES, + _DRM_STAT_IOCTLS, + _DRM_STAT_LOCKS, + _DRM_STAT_UNLOCKS, + _DRM_STAT_VALUE, /* Generic value */ + _DRM_STAT_BYTE, /* Generic byte counter (1024bytes/K) */ + _DRM_STAT_COUNT, /* Generic non-byte counter (1000/k) */ + + _DRM_STAT_IRQ, /* IRQ */ + _DRM_STAT_PRIMARY, /* Primary DMA bytes */ + _DRM_STAT_SECONDARY, /* Secondary DMA bytes */ + _DRM_STAT_DMA, /* DMA */ + _DRM_STAT_SPECIAL, /* Special DMA (e.g., priority or polled) */ + _DRM_STAT_MISSED /* Missed DMA opportunity */ + + /* Add to the *END* of the list */ +} drm_stat_type_t; + +typedef struct drm_stats { + unsigned long count; + struct { + unsigned long value; + drm_stat_type_t type; + } data[15]; +} drm_stats_t; + typedef enum drm_lock_flags { _DRM_LOCK_READY = 0x01, /* Wait until hardware is ready for DMA */ _DRM_LOCK_QUIESCENT = 0x02, /* Wait until hardware quiescent */ @@ -316,6 +356,9 @@ typedef struct drm_scatter_gather { #define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm_unique_t) #define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, drm_auth_t) #define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, drm_irq_busid_t) +#define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, drm_map_t) +#define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, drm_client_t) +#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, drm_stats_t) #define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm_unique_t) #define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, drm_auth_t) @@ -355,17 +398,18 @@ typedef struct drm_scatter_gather { #define DRM_IOCTL_SG_ALLOC DRM_IOW( 0x38, drm_scatter_gather_t) #define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, drm_scatter_gather_t) -/* Mga specific ioctls */ +/* MGA specific ioctls */ #define DRM_IOCTL_MGA_INIT DRM_IOW( 0x40, drm_mga_init_t) -#define DRM_IOCTL_MGA_SWAP DRM_IOW( 0x41, drm_mga_swap_t) -#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x42, drm_mga_clear_t) -#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x43, drm_mga_iload_t) -#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x44, drm_mga_vertex_t) -#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x45, drm_lock_t ) +#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x41, drm_lock_t) +#define DRM_IOCTL_MGA_RESET DRM_IO( 0x42) +#define DRM_IOCTL_MGA_SWAP DRM_IO( 0x43) +#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x44, drm_mga_clear_t) +#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x45, drm_mga_vertex_t) #define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x46, drm_mga_indices_t) -#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x47, drm_mga_blit_t) +#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x47, drm_mga_iload_t) +#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x48, drm_mga_blit_t) -/* I810 specific ioctls */ +/* i810 specific ioctls */ #define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t) #define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t) #define DRM_IOCTL_I810_CLEAR DRM_IOW( 0x42, drm_i810_clear_t) diff --git a/shared/drm.h b/shared/drm.h index f657eab9..740c4cc7 100644 --- a/shared/drm.h +++ b/shared/drm.h @@ -19,10 +19,10 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Rickard E. (Rik) Faith <faith@valinux.com> @@ -35,6 +35,7 @@ #ifndef _DRM_H_ #define _DRM_H_ +#include <linux/config.h> #if defined(__linux__) #include <asm/ioctl.h> /* For _IO* macros */ #define DRM_IOCTL_NR(n) _IOC_NR(n) @@ -43,15 +44,8 @@ #define DRM_IOCTL_NR(n) ((n) & 0xff) #endif -#define DRM_PROC_DEVICES "/proc/devices" -#define DRM_PROC_MISC "/proc/misc" -#define DRM_PROC_DRM "/proc/drm" -#define DRM_DEV_DRM "/dev/drm" -#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) -#define DRM_DEV_UID 0 -#define DRM_DEV_GID 0 - - +#define DRM_MAJOR 226 +#define DRM_MAX_MINOR 15 #define DRM_NAME "drm" /* Name in kernel, /dev, and /proc */ #define DRM_MIN_ORDER 5 /* At least 2^5 bytes = 32 bytes */ #define DRM_MAX_ORDER 22 /* Up to 2^22 bytes = 4MB */ @@ -72,12 +66,20 @@ typedef unsigned int drm_magic_t; * XF86DRIClipRectRec in the server as well */ typedef struct drm_clip_rect { - unsigned short x1; - unsigned short y1; - unsigned short x2; - unsigned short y2; + unsigned short x1; + unsigned short y1; + unsigned short x2; + unsigned short y2; } drm_clip_rect_t; +typedef struct drm_tex_region { + unsigned char next; + unsigned char prev; + unsigned char in_use; + unsigned char padding; + unsigned int age; +} drm_tex_region_t; + /* Seperate include files for the i810/mga/r128 specific structures */ #include "mga_drm.h" #include "i810_drm.h" @@ -151,6 +153,44 @@ typedef struct drm_map { /* Private data */ } drm_map_t; +typedef struct drm_client { + int idx; /* Which client desired? */ + int auth; /* Is client authenticated? */ + unsigned long pid; /* Process id */ + unsigned long uid; /* User id */ + unsigned long magic; /* Magic */ + unsigned long iocs; /* Ioctl count */ +} drm_client_t; + +typedef enum { + _DRM_STAT_LOCK, + _DRM_STAT_OPENS, + _DRM_STAT_CLOSES, + _DRM_STAT_IOCTLS, + _DRM_STAT_LOCKS, + _DRM_STAT_UNLOCKS, + _DRM_STAT_VALUE, /* Generic value */ + _DRM_STAT_BYTE, /* Generic byte counter (1024bytes/K) */ + _DRM_STAT_COUNT, /* Generic non-byte counter (1000/k) */ + + _DRM_STAT_IRQ, /* IRQ */ + _DRM_STAT_PRIMARY, /* Primary DMA bytes */ + _DRM_STAT_SECONDARY, /* Secondary DMA bytes */ + _DRM_STAT_DMA, /* DMA */ + _DRM_STAT_SPECIAL, /* Special DMA (e.g., priority or polled) */ + _DRM_STAT_MISSED /* Missed DMA opportunity */ + + /* Add to the *END* of the list */ +} drm_stat_type_t; + +typedef struct drm_stats { + unsigned long count; + struct { + unsigned long value; + drm_stat_type_t type; + } data[15]; +} drm_stats_t; + typedef enum drm_lock_flags { _DRM_LOCK_READY = 0x01, /* Wait until hardware is ready for DMA */ _DRM_LOCK_QUIESCENT = 0x02, /* Wait until hardware quiescent */ @@ -316,6 +356,9 @@ typedef struct drm_scatter_gather { #define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm_unique_t) #define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, drm_auth_t) #define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, drm_irq_busid_t) +#define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, drm_map_t) +#define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, drm_client_t) +#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, drm_stats_t) #define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm_unique_t) #define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, drm_auth_t) @@ -355,17 +398,18 @@ typedef struct drm_scatter_gather { #define DRM_IOCTL_SG_ALLOC DRM_IOW( 0x38, drm_scatter_gather_t) #define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, drm_scatter_gather_t) -/* Mga specific ioctls */ +/* MGA specific ioctls */ #define DRM_IOCTL_MGA_INIT DRM_IOW( 0x40, drm_mga_init_t) -#define DRM_IOCTL_MGA_SWAP DRM_IOW( 0x41, drm_mga_swap_t) -#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x42, drm_mga_clear_t) -#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x43, drm_mga_iload_t) -#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x44, drm_mga_vertex_t) -#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x45, drm_lock_t ) +#define DRM_IOCTL_MGA_FLUSH DRM_IOW( 0x41, drm_lock_t) +#define DRM_IOCTL_MGA_RESET DRM_IO( 0x42) +#define DRM_IOCTL_MGA_SWAP DRM_IO( 0x43) +#define DRM_IOCTL_MGA_CLEAR DRM_IOW( 0x44, drm_mga_clear_t) +#define DRM_IOCTL_MGA_VERTEX DRM_IOW( 0x45, drm_mga_vertex_t) #define DRM_IOCTL_MGA_INDICES DRM_IOW( 0x46, drm_mga_indices_t) -#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x47, drm_mga_blit_t) +#define DRM_IOCTL_MGA_ILOAD DRM_IOW( 0x47, drm_mga_iload_t) +#define DRM_IOCTL_MGA_BLIT DRM_IOW( 0x48, drm_mga_blit_t) -/* I810 specific ioctls */ +/* i810 specific ioctls */ #define DRM_IOCTL_I810_INIT DRM_IOW( 0x40, drm_i810_init_t) #define DRM_IOCTL_I810_VERTEX DRM_IOW( 0x41, drm_i810_vertex_t) #define DRM_IOCTL_I810_CLEAR DRM_IOW( 0x42, drm_i810_clear_t) diff --git a/tests/dristat.c b/tests/dristat.c new file mode 100644 index 00000000..47193ab4 --- /dev/null +++ b/tests/dristat.c @@ -0,0 +1,280 @@ +/* dristat.c -- + * Created: Mon Jan 15 05:05:07 2001 by faith@acm.org + * + * Copyright 2000 VA Linux Systems, Inc., Fremont, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: Rickard E. (Rik) Faith <faith@valinux.com> + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include "../../../xf86drm.h" +#include "../xf86drmRandom.c" +#include "../xf86drmHash.c" +#include "../xf86drm.c" + +#define DRM_VERSION 0x00000001 +#define DRM_MEMORY 0x00000002 +#define DRM_CLIENTS 0x00000004 +#define DRM_STATS 0x00000008 +#define DRM_BUSID 0x00000010 + +static void getversion(int fd) +{ + drmVersionPtr version; + + version = drmGetVersion(fd); + if (version) { + printf(" Version information:\n"); + printf(" Name: %s\n", version->name ? version->name : "?"); + printf(" Version: %d.%d.%d\n", + version->version_major, + version->version_minor, + version->version_patchlevel); + printf(" Date: %s\n", version->date ? version->date : "?"); + printf(" Desc: %s\n", version->desc ? version->desc : "?"); + drmFreeVersion(version); + } else { + printf(" No version information available\n"); + } +} + +static void getbusid(int fd) +{ + const char *busid = drmGetBusid(fd); + + printf(" Busid: %s\n", *busid ? busid : "(not set)"); + drmFreeBusid(busid); +} + +#if 0 +typedef struct { + unsigned long offset; /* Requested physical address (0 for SAREA)*/ + unsigned long size; /* Requested physical size (bytes) */ + drm_map_type_t type; /* Type of memory to map */ + drm_map_flags_t flags; /* Flags */ + void *handle; /* User-space: "Handle" to pass to mmap */ + /* Kernel-space: kernel-virtual address */ + int mtrr; /* MTRR slot used */ + /* Private data */ +} drmVmRec, *drmVmPtr; +#endif + +static void getvm(int fd) +{ + int i; + const char *typename; + char flagname[33]; + drmHandle offset; + drmSize size; + drmMapType type; + drmMapFlags flags; + drmHandle handle; + int mtrr; + + printf(" VM map information (Restricted locked kernel WC Lock):\n"); + printf(" slot offset size type flags address mtrr\n"); + + for (i = 0; + !drmGetMap(fd, i, &offset, &size, &type, &flags, &handle, &mtrr); + i++) { + + switch (type) { + case DRM_FRAME_BUFFER: typename = "FB"; break; + case DRM_REGISTERS: typename = "REG"; break; + case DRM_SHM: typename = "SHM"; break; + case DRM_AGP: typename = "AGP"; break; + default: typename = "???"; break; + } + + flagname[0] = (flags & DRM_RESTRICTED) ? 'R' : ' '; + flagname[1] = (flags & DRM_READ_ONLY) ? 'r' : 'w'; + flagname[2] = (flags & DRM_LOCKED) ? 'l' : ' '; + flagname[3] = (flags & DRM_KERNEL) ? 'k' : ' '; + flagname[4] = (flags & DRM_WRITE_COMBINING) ? 'W' : ' '; + flagname[5] = (flags & DRM_CONTAINS_LOCK) ? 'L' : ' '; + flagname[6] = '\0'; + + printf(" %4d 0x%08lx 0x%08lx %3.3s %6.6s 0x%08lx ", + i, offset, (unsigned long)size, typename, flagname, handle); + if (mtrr < 0) printf("none\n"); + else printf("%4d\n", mtrr); + } +} + +static void getclients(int fd) +{ + int i; + int auth; + int pid; + int uid; + unsigned long magic; + unsigned long iocs; + char buf[64]; + char cmd[40]; + int procfd; + + printf(" DRI client information:\n"); + printf(" a pid uid magic ioctls prog\n"); + + for (i = 0; !drmGetClient(fd, i, &auth, &pid, &uid, &magic, &iocs); i++) { + sprintf(buf, "/proc/%d/cmdline", pid); + memset(cmd, sizeof(cmd), 0); + if ((procfd = open(buf, O_RDONLY, 0)) >= 0) { + read(procfd, cmd, sizeof(cmd)-1); + close(procfd); + } + if (*cmd) { + char *pt; + + for (pt = cmd; *pt; pt++) if (!isprint(*pt)) *pt = ' '; + printf(" %c %5d %5d %10lu %10lu %s\n", + auth ? 'y' : 'n', pid, uid, magic, iocs, cmd); + } else { + printf(" %c %5d %5d %10lu %10lu\n", + auth ? 'y' : 'n', pid, uid, magic, iocs); + } + } +} + +static void printhuman(unsigned long value, const char *name, int mult) +{ + const char *p; + double f; + /* Print width 5 number in width 6 space */ + if (value < 100000) { + printf(" %5lu", value); + return; + } + + p = name; + f = (double)value / (double)mult; + if (f < 10.0) { + printf(" %4.2f%c", f, *p); + return; + } + + p++; + f = (double)value / (double)mult; + if (f < 10.0) { + printf(" %4.2f%c", f, *p); + return; + } + + p++; + f = (double)value / (double)mult; + if (f < 10.0) { + printf(" %4.2f%c", f, *p); + return; + } +} + +static void getstats(int fd, int i) +{ + drmStatsT prev, curr; + int j; + double rate; + + printf(" System statistics:\n"); + + if (drmGetStats(fd, &prev)) return; + if (!i) { + for (j = 0; j < prev.count; j++) { + printf(" "); + printf(prev.data[j].long_format, prev.data[j].long_name); + if (prev.data[j].isvalue) printf(" 0x%08lx\n", prev.data[j].value); + else printf(" %10lu\n", prev.data[j].value); + } + return; + } + + printf(" "); + for (j = 0; j < prev.count; j++) + if (!prev.data[j].verbose) { + printf(" "); + printf(prev.data[j].rate_format, prev.data[j].rate_name); + } + printf("\n"); + + for (;;) { + sleep(i); + if (drmGetStats(fd, &curr)) return; + printf(" "); + for (j = 0; j < curr.count; j++) { + if (curr.data[j].verbose) continue; + if (curr.data[j].isvalue) { + printf(" %08lx", curr.data[j].value); + } else { + rate = (curr.data[j].value - prev.data[j].value) / (double)i; + printhuman(rate, curr.data[j].mult_names, curr.data[j].mult); + } + } + printf("\n"); + memcpy(&prev, &curr, sizeof(prev)); + } + +} + +int main(int argc, char **argv) +{ + int c; + int mask = 0; + int minor = 0; + int interval = 0; + int fd; + char buf[64]; + int i; + + while ((c = getopt(argc, argv, "avmcsbM:i:")) != EOF) + switch (c) { + case 'a': mask = ~0; break; + case 'v': mask |= DRM_VERSION; break; + case 'm': mask |= DRM_MEMORY; break; + case 'c': mask |= DRM_CLIENTS; break; + case 's': mask |= DRM_STATS; break; + case 'b': mask |= DRM_BUSID; break; + case 'i': interval = strtol(optarg, NULL, 0); break; + case 'M': minor = strtol(optarg, NULL, 0); break; + default: + fprintf( stderr, "Usage: dristat [options]\n" ); + return 1; + } + + for (i = 0; i < 16; i++) if (!minor || i == minor) { + sprintf(buf, DRM_DEV_NAME, DRM_DIR_NAME, i); + fd = drmOpenMinor(i, 1); + if (fd >= 0) { + printf("%s\n", buf); + if (mask & DRM_BUSID) getbusid(fd); + if (mask & DRM_VERSION) getversion(fd); + if (mask & DRM_MEMORY) getvm(fd); + if (mask & DRM_CLIENTS) getclients(fd); + if (mask & DRM_STATS) getstats(fd, interval); + close(fd); + } + } + + return 0; +} |