diff options
Diffstat (limited to 'bsd/gamma/gamma_drv.c')
| -rw-r--r-- | bsd/gamma/gamma_drv.c | 634 |
1 files changed, 46 insertions, 588 deletions
diff --git a/bsd/gamma/gamma_drv.c b/bsd/gamma/gamma_drv.c index 8663a2ac..e58d853c 100644 --- a/bsd/gamma/gamma_drv.c +++ b/bsd/gamma/gamma_drv.c @@ -1,4 +1,4 @@ -/* gamma.c -- 3dlabs GMX 2000 driver -*- c -*- +/* gamma.c -- 3dlabs GMX 2000 driver -*- linux-c -*- * Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -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 @@ -23,607 +23,65 @@ * 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> */ +#include <sys/types.h> +#include <sys/bus.h> +#include <pci/pcivar.h> +#include <opt_drm_linux.h> +#include "gamma.h" #include "drmP.h" #include "gamma_drv.h" -#include <pci/pcivar.h> - -MODULE_DEPEND(gamma, drm, 1, 1, 1); - -#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 -#ifndef PCI_VENDOR_ID_3DLABS -#define PCI_VENDOR_ID_3DLABS 0x3d3d -#endif - -static int gamma_init(device_t nbdev); -static void gamma_cleanup(device_t nbdev); - -static int gamma_probe(device_t dev) -{ - const char *s = 0; - - switch (pci_get_devid(dev)) { - case 0x00083d3d: - s = "3D Labs Gamma graphics accelerator"; - break; - - case 0x00063d3d: - s = "3D Labs MX graphics accelerator"; - break; - } - - if (s) { - device_set_desc(dev, s); - return 0; - } - - return ENXIO; -} - -static int gamma_attach(device_t dev) -{ - gamma_init(dev); - return 0; -} - -static int gamma_detach(device_t dev) -{ - gamma_cleanup(dev); - return 0; -} - -static device_method_t gamma_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, gamma_probe), - DEVMETHOD(device_attach, gamma_attach), - DEVMETHOD(device_detach, gamma_detach), - - { 0, 0 } -}; - -static driver_t gamma_driver = { - "drm", - gamma_methods, - sizeof(drm_device_t), -}; - -static devclass_t gamma_devclass; -#define GAMMA_SOFTC(unit) \ - ((drm_device_t *) devclass_get_softc(gamma_devclass, unit)) - -DRIVER_MODULE(if_gamma, pci, gamma_driver, gamma_devclass, 0, 0); - -#define GAMMA_NAME "gamma" -#define GAMMA_DESC "3dlabs GMX 2000" -#define GAMMA_DATE "20000606" -#define GAMMA_MAJOR 1 -#define GAMMA_MINOR 0 -#define GAMMA_PATCHLEVEL 0 +#define DRIVER_AUTHOR "VA Linux Systems Inc." -#define CDEV_MAJOR 200 +#define DRIVER_NAME "gamma" +#define DRIVER_DESC "3DLabs gamma" +#define DRIVER_DATE "20010216" -static struct cdevsw gamma_cdevsw = { - /* open */ gamma_open, - /* close */ gamma_close, - /* read */ drm_read, - /* write */ drm_write, - /* ioctl */ gamma_ioctl, - /* poll */ nopoll, - /* mmap */ drm_mmap, - /* strategy */ nostrategy, - /* name */ "gamma", - /* maj */ CDEV_MAJOR, - /* dump */ nodump, - /* psize */ nopsize, - /* flags */ D_TTY | D_TRACKCLOSE, - /* bmaj */ -1 -}; +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 -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 }, +#define DRIVER_IOCTLS \ + [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { gamma_dma, 1, 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_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 }, +/* List acquired from http://www.yourvote.com/pci/pcihdr.h and xc/xc/programs/Xserver/hw/xfree86/common/xf86PciInfo.h + * Please report to anholt@teleport.com inaccuracies or if a chip you have works that is marked unsupported here. + */ +drm_chipinfo_t DRM(devicelist)[] = { + {0x3d3d, 0x0008, 1, "3DLabs Gamma"}, + {0, 0, 0, NULL} }; -#define GAMMA_IOCTL_COUNT DRM_ARRAY_SIZE(gamma_ioctls) - -static int devices = 0; - -static int gamma_setup(drm_device_t *dev) -{ - int i; - - device_busy(dev->device); - - 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; - dev->lock.lock_queue = 0; - 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; - callout_init(&dev->timer); - dev->context_wait = 0; -#if DRM_DMA_HISTO - memset(&dev->histo, 0, sizeof(dev->histo)); -#endif - timespecclear(&dev->ctx_start); - timespecclear(&dev->lck_start); - - dev->buf_rp = dev->buf; - dev->buf_wp = dev->buf; - dev->buf_end = dev->buf + DRM_BSZ; - dev->buf_sigio = NULL; - - 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); - - lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc); - callout_stop(&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; - wakeup(&dev->lock.lock_queue); - } - lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc); - - device_unbusy(dev->device); - - return 0; -} - -int gamma_found(void) -{ - return devices; -} - -static int -gamma_find_devices(device_t dev) -{ - device_t *children, child; - int nchildren, i; - int count = 0; - - if (device_get_children(device_get_parent(dev), &children, &nchildren)) - return 0; - - for (i = 0; i < nchildren; i++) { - child = children[i]; - - if (pci_get_slot(dev) == pci_get_slot(child) && - pci_get_vendor(child) == PCI_VENDOR_ID_3DLABS && - pci_get_device(child) == PCI_DEVICE_ID_3DLABS_MX) { - count++; - } - } - free(children, M_TEMP); - - /* we don't currently support more than two */ - if (count > 2) count = 2; - - return count; -} - -/* gamma_init is called via gamma_attach at module load time */ - -static int -gamma_init(device_t nbdev) -{ - drm_device_t *dev = device_get_softc(nbdev); - - DRM_DEBUG("\n"); - - memset((void *)dev, 0, sizeof(*dev)); - simple_lock_init(&dev->count_lock); - lockinit(&dev->dev_lock, PZERO, "drmlk", 0, 0); - -#if 0 /* XXX use getenv I guess */ - drm_parse_options(gamma); -#endif - devices = gamma_find_devices(nbdev); - if (devices == 0) return -1; - -#if 0 - if ((retcode = misc_register(&gamma_misc))) { - DRM_ERROR("Cannot register \"%s\"\n", GAMMA_NAME); - return retcode; - } -#endif - dev->device = nbdev; - dev->devnode = make_dev(&gamma_cdevsw, - device_get_unit(nbdev), - DRM_DEV_UID, - DRM_DEV_GID, - DRM_DEV_MODE, - GAMMA_NAME); - dev->name = GAMMA_NAME; - - drm_mem_init(); - drm_sysctl_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, - device_get_unit(nbdev), - devices); - - return 0; -} - -/* gamma_cleanup is called via gamma_detach at module unload time. */ - -static void -gamma_cleanup(device_t nbdev) -{ - drm_device_t *dev = device_get_softc(nbdev); - - DRM_DEBUG("\n"); - - drm_sysctl_cleanup(dev); -#if 0 - if (misc_deregister(&gamma_misc)) { - DRM_ERROR("Cannot unload module\n"); - } else { - DRM_INFO("Module unloaded\n"); - } -#endif - device_busy(dev->device); - gamma_takedown(dev); -} - -SYSUNINIT(gamma_cleanup, SI_SUB_DRIVERS, SI_ORDER_ANY, gamma_cleanup, 0); - -#if 0 -int gamma_version(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) -{ - drm_version_t version; - int len; - - copy_from_user_ret(&version, - (drm_version_t *)arg, - sizeof(version), - -EFAULT); - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - copy_to_user_ret(name, value, len, -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); - - copy_to_user_ret((drm_version_t *)arg, - &version, - sizeof(version), - -EFAULT); - return 0; -} -#endif - -int -gamma_open(dev_t kdev, int flags, int fmt, struct proc *p) -{ - drm_device_t *dev = GAMMA_SOFTC(minor(kdev)); - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - - device_busy(dev->device); - if (!(retcode = drm_open_helper(kdev, flags, fmt, p, dev))) { - atomic_inc(&dev->total_open); - simple_lock(&dev->count_lock); - if (!dev->open_count++) { - simple_unlock(&dev->count_lock); - retcode = gamma_setup(dev); - } - simple_unlock(&dev->count_lock); - } - device_unbusy(dev->device); - - return retcode; -} - -int -gamma_close(dev_t kdev, int flags, int fmt, struct proc *p) -{ - drm_device_t *dev = kdev->si_drv1; - int retcode = 0; - - DRM_DEBUG("open_count = %d\n", dev->open_count); - if (!(retcode = drm_close(kdev, flags, fmt, p))) { - atomic_inc(&dev->total_close); - simple_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); - simple_unlock(&dev->count_lock); - return EBUSY; - } - simple_unlock(&dev->count_lock); - return gamma_takedown(dev); - } - simple_unlock(&dev->count_lock); - } - return retcode; -} - -/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int -gamma_ioctl(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p) -{ - int nr = DRM_IOCTL_NR(cmd); - drm_device_t *dev = kdev->si_drv1; - drm_file_t *priv; - int retcode = 0; - drm_ioctl_desc_t *ioctl; - d_ioctl_t *func; - - priv = drm_find_file_by_proc(dev, p); - if (!priv) { - DRM_DEBUG("can't find authenticator\n"); - return EINVAL; - } - - atomic_inc(&dev->ioctl_count); - atomic_inc(&dev->total_ioctl); - ++priv->ioctl_count; - - DRM_DEBUG("pid = %d, cmd = 0x%02lx, nr = 0x%02x, auth = %d\n", - p->p_pid, cmd, nr, priv->authenticated); - - switch (cmd) { - case FIOSETOWN: - return fsetown(*(int *)data, &dev->buf_sigio); - case FIOGETOWN: - *(int *) data = fgetown(dev->buf_sigio); - return 0; - } - if (nr >= GAMMA_IOCTL_COUNT) { - retcode = EINVAL; - } else { - ioctl = &gamma_ioctls[nr]; - func = ioctl->func; +#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 - if (!func) { - DRM_DEBUG("no function\n"); - retcode = EINVAL; - } else if ((ioctl->root_only && suser(p)) - || (ioctl->auth_needed && !priv->authenticated)) { - retcode = EACCES; - } else { - retcode = (func)(kdev, cmd, data, flags, p); - } - } - - atomic_dec(&dev->ioctl_count); - return retcode; -} -int gamma_unlock(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p) -{ - drm_device_t *dev = kdev->si_drv1; - drm_lock_t *lockp = (drm_lock_t *) data; +#include "drm_auth.h" +#include "drm_bufs.h" +#include "drm_context.h" +#include "drm_dma.h" +#include "drm_drawable.h" +#include "drm_drv.h" - if (lockp->context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - p->p_pid, lockp->context); - return -EINVAL; - } - DRM_DEBUG("%d frees lock (%d holds)\n", - lockp->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"); - } - } +#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_vm.h" +#include "drm_sysctl.h" -#if DRM_DMA_HISTOGRAM - { - struct timespec ts; - getnanotime(&ts); - timespecsub(&ts, &dev->lck_start); - atomic_inc(&dev->histo.lhld[drm_histogram_slot(&ts)]); - } -#endif - - return 0; -} +DRIVER_MODULE(gamma, pci, gamma_driver, gamma_devclass, 0, 0); |