diff options
Diffstat (limited to 'bsd-core/drm_os_freebsd.h')
| -rw-r--r-- | bsd-core/drm_os_freebsd.h | 182 |
1 files changed, 67 insertions, 115 deletions
diff --git a/bsd-core/drm_os_freebsd.h b/bsd-core/drm_os_freebsd.h index 1a3feb6e..30a6e362 100644 --- a/bsd-core/drm_os_freebsd.h +++ b/bsd-core/drm_os_freebsd.h @@ -1,3 +1,6 @@ +/* + * $FreeBSD: src/sys/dev/drm/drm_os_freebsd.h,v 1.8 2003/03/09 02:08:28 anholt Exp $ + */ #include <sys/param.h> #include <sys/queue.h> #include <sys/malloc.h> @@ -45,7 +48,11 @@ #define __REALLY_HAVE_AGP __HAVE_AGP #endif +#ifdef __i386__ #define __REALLY_HAVE_MTRR (__HAVE_MTRR) +#else +#define __REALLY_HAVE_MTRR 0 +#endif #define __REALLY_HAVE_SG (__HAVE_SG) #if __REALLY_HAVE_AGP @@ -79,6 +86,7 @@ #define DRM_STRUCTPROC struct thread #define DRM_SPINTYPE struct mtx #define DRM_SPININIT(l,name) mtx_init(&l, name, NULL, MTX_DEF) +#define DRM_SPINUNINIT(l) mtx_destroy(&l) #define DRM_SPINLOCK(l) mtx_lock(l) #define DRM_SPINUNLOCK(u) mtx_unlock(u); #define DRM_CURRENTPID curthread->td_proc->p_pid @@ -87,12 +95,17 @@ #define DRM_STRUCTPROC struct proc #define DRM_SPINTYPE struct simplelock #define DRM_SPININIT(l,name) simple_lock_init(&l) +#define DRM_SPINUNINIT(l) #define DRM_SPINLOCK(l) simple_lock(l) #define DRM_SPINUNLOCK(u) simple_unlock(u); #define DRM_CURRENTPID curproc->p_pid #endif -#define DRM_IOCTL_ARGS dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_STRUCTPROC *p +/* Currently our DRMFILE (filp) is a void * which is actually the pid + * of the current process. It should be a per-open unique pointer, but + * code for that is not yet written */ +#define DRMFILE void * +#define DRM_IOCTL_ARGS dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_STRUCTPROC *p, DRMFILE filp #define DRM_LOCK lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, DRM_CURPROC) #define DRM_UNLOCK lockmgr(&dev->dev_lock, LK_RELEASE, 0, DRM_CURPROC) #define DRM_SUSER(p) suser(p) @@ -100,12 +113,20 @@ #define DRM_IRQ_ARGS void *arg #define DRM_DEVICE drm_device_t *dev = kdev->si_drv1 #define DRM_MALLOC(size) malloc( size, DRM(M_DRM), M_NOWAIT ) -#define DRM_FREE(pt) free( pt, DRM(M_DRM) ) +#define DRM_FREE(pt,size) free( pt, DRM(M_DRM) ) #define DRM_VTOPHYS(addr) vtophys(addr) -#define DRM_READ8(addr) *((volatile char *)(addr)) -#define DRM_READ32(addr) *((volatile long *)(addr)) -#define DRM_WRITE8(addr, val) *((volatile char *)(addr)) = (val) -#define DRM_WRITE32(addr, val) *((volatile long *)(addr)) = (val) + +/* Read/write from bus space, with byteswapping to le if necessary */ +#define DRM_READ8(map, offset) *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) +#define DRM_READ32(map, offset) *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) +#define DRM_WRITE8(map, offset, val) *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val +#define DRM_WRITE32(map, offset, val) *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val +/* +#define DRM_READ8(map, offset) bus_space_read_1( (map)->iot, (map)->ioh, (offset) ) +#define DRM_READ32(map, offset) bus_space_read_4( (map)->iot, (map)->ioh, (offset) ) +#define DRM_WRITE8(map, offset, val) bus_space_write_1( (map)->iot, (map)->ioh, (offset), (val) ) +#define DRM_WRITE32(map, offset, val) bus_space_write_4( (map)->iot, (map)->ioh, (offset), (val) ) +*/ #define DRM_AGP_FIND_DEVICE() agp_find_device() #define DRM_ERR(v) v @@ -116,6 +137,16 @@ return EINVAL; \ } +#define LOCK_TEST_WITH_RETURN(dev, filp) \ +do { \ + if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \ + dev->lock.filp != filp) { \ + DRM_ERROR("%s called without lock held\n", \ + __FUNCTION__); \ + return EINVAL; \ + } \ +} while (0) + #define DRM_UDELAY( udelay ) \ do { \ struct timeval tv1, tv2; \ @@ -130,7 +161,7 @@ do { \ do { \ drm_map_list_entry_t *listentry; \ TAILQ_FOREACH(listentry, dev->maplist, link) { \ - drm_map_t *map = listentry->map; \ + drm_local_map_t *map = listentry->map; \ if (map->type == _DRM_SHM && \ map->flags & _DRM_CONTAINS_LOCK) { \ dev_priv->sarea = map; \ @@ -166,7 +197,7 @@ while (!condition) { \ copyin(user, kern, size) /* Macros for userspace access with checking readability once */ /* FIXME: can't find equivalent functionality for nocheck yet. - * It's be slower than linux, but should be correct. + * It'll be slower than linux, but should be correct. */ #define DRM_VERIFYAREA_READ( uaddr, size ) \ (!useracc((caddr_t)uaddr, size, VM_PROT_READ)) @@ -175,20 +206,13 @@ while (!condition) { \ #define DRM_GET_USER_UNCHECKED(val, uaddr) \ ((val) = fuword(uaddr), 0) -/* From machine/bus_at386.h on i386 */ -#define DRM_READMEMORYBARRIER() \ -do { \ - __asm __volatile("lock; addl $0,0(%%esp)" : : : "memory"); \ -} while (0) - -#define DRM_WRITEMEMORYBARRIER() \ -do { \ - __asm __volatile("" : : : "memory"); \ -} while (0) - +#define DRM_WRITEMEMORYBARRIER( map ) \ + bus_space_barrier((map)->iot, (map)->ioh, 0, (map)->size, 0); +#define DRM_READMEMORYBARRIER( map ) \ + bus_space_barrier((map)->iot, (map)->ioh, 0, (map)->size, BUS_SPACE_BARRIER_READ); #define PAGE_ALIGN(addr) round_page(addr) - + #ifndef M_WAITOK /* M_WAITOK (=0) name removed in -current */ #define M_WAITOK 0 #endif @@ -206,12 +230,11 @@ typedef struct drm_chipinfo char *name; } drm_chipinfo_t; -#define cpu_to_le32(x) (x) +#define cpu_to_le32(x) (x) /* FIXME */ -typedef u_int32_t dma_addr_t; +typedef unsigned long dma_addr_t; typedef u_int32_t atomic_t; typedef u_int32_t cycles_t; -typedef u_int32_t spinlock_t; typedef u_int32_t u32; typedef u_int16_t u16; typedef u_int8_t u8; @@ -223,6 +246,23 @@ typedef u_int8_t u8; #define atomic_sub(n, p) atomic_subtract_int(p, n) /* Fake this */ + +#if __FreeBSD_version < 500000 +/* The extra atomic functions from 5.0 haven't been merged to 4.x */ +static __inline int +atomic_cmpset_int(volatile int *dst, int old, int new) +{ + int s = splhigh(); + if (*dst==old) { + *dst = new; + splx(s); + return 1; + } + splx(s); + return 0; +} +#endif + static __inline atomic_t test_and_set_bit(int b, volatile void *p) { @@ -284,20 +324,6 @@ find_first_zero_bit(volatile void *p, int max) #endif -#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock) -#define _DRM_CAS(lock,old,new,__ret) \ - do { \ - int __dummy; /* Can't mark eax as clobbered */ \ - __asm__ __volatile__( \ - "lock ; cmpxchg %4,%1\n\t" \ - "setnz %0" \ - : "=d" (__ret), \ - "=m" (__drm_dummy_lock(lock)), \ - "=a" (__dummy) \ - : "2" (old), \ - "r" (new)); \ - } while (0) - /* Redefinitions to make templating easy */ #define wait_queue_head_t atomic_t #define agp_memory void @@ -356,8 +382,6 @@ find_first_zero_bit(volatile void *p, int max) /* drm_drv.h */ extern d_ioctl_t DRM(ioctl); -extern d_ioctl_t DRM(lock); -extern d_ioctl_t DRM(unlock); extern d_open_t DRM(open); extern d_close_t DRM(close); extern d_read_t DRM(read); @@ -369,81 +393,9 @@ extern int DRM(open_helper)(dev_t kdev, int flags, int fmt, extern drm_file_t *DRM(find_file_by_proc)(drm_device_t *dev, DRM_STRUCTPROC *p); -/* Misc. IOCTL support (drm_ioctl.h) */ -extern d_ioctl_t DRM(irq_busid); -extern d_ioctl_t DRM(getunique); -extern d_ioctl_t DRM(setunique); -extern d_ioctl_t DRM(getmap); -extern d_ioctl_t DRM(getclient); -extern d_ioctl_t DRM(getstats); - -/* Context IOCTL support (drm_context.h) */ -extern d_ioctl_t DRM(resctx); -extern d_ioctl_t DRM(addctx); -extern d_ioctl_t DRM(modctx); -extern d_ioctl_t DRM(getctx); -extern d_ioctl_t DRM(switchctx); -extern d_ioctl_t DRM(newctx); -extern d_ioctl_t DRM(rmctx); -extern d_ioctl_t DRM(setsareactx); -extern d_ioctl_t DRM(getsareactx); - -/* Drawable IOCTL support (drm_drawable.h) */ -extern d_ioctl_t DRM(adddraw); -extern d_ioctl_t DRM(rmdraw); - -/* Authentication IOCTL support (drm_auth.h) */ -extern d_ioctl_t DRM(getmagic); -extern d_ioctl_t DRM(authmagic); - -/* Locking IOCTL support (drm_lock.h) */ -extern d_ioctl_t DRM(block); -extern d_ioctl_t DRM(unblock); -extern d_ioctl_t DRM(finish); - -/* Buffer management support (drm_bufs.h) */ -extern d_ioctl_t DRM(addmap); -extern d_ioctl_t DRM(rmmap); -#if __HAVE_DMA -extern d_ioctl_t DRM(addbufs_agp); -extern d_ioctl_t DRM(addbufs_pci); -extern d_ioctl_t DRM(addbufs_sg); -extern d_ioctl_t DRM(addbufs); -extern d_ioctl_t DRM(infobufs); -extern d_ioctl_t DRM(markbufs); -extern d_ioctl_t DRM(freebufs); -extern d_ioctl_t DRM(mapbufs); -#endif - -/* Memory management support (drm_memory.h) */ -extern int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS; - -/* DMA support (drm_dma.h) */ -#if __HAVE_DMA -extern d_ioctl_t DRM(control); -#endif -#if __HAVE_VBL_IRQ -extern d_ioctl_t DRM(wait_vblank); -#endif - -/* AGP/GART support (drm_agpsupport.h) */ -#if __REALLY_HAVE_AGP -extern d_ioctl_t DRM(agp_acquire); -extern d_ioctl_t DRM(agp_release); -extern d_ioctl_t DRM(agp_enable); -extern d_ioctl_t DRM(agp_info); -extern d_ioctl_t DRM(agp_alloc); -extern d_ioctl_t DRM(agp_free); -extern d_ioctl_t DRM(agp_unbind); -extern d_ioctl_t DRM(agp_bind); -#endif - -/* Scatter Gather Support (drm_scatter.h) */ -#if __HAVE_SG -extern d_ioctl_t DRM(sg_alloc); -extern d_ioctl_t DRM(sg_free); -#endif - -/* SysCtl Support (drm_sysctl.h) */ +/* sysctl support (drm_sysctl.h) */ extern int DRM(sysctl_init)(drm_device_t *dev); extern int DRM(sysctl_cleanup)(drm_device_t *dev); + +/* Memory info sysctl (drm_memory.h) */ +extern int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS; |