diff options
Diffstat (limited to 'bsd/mga/mga_drv.c')
| -rw-r--r-- | bsd/mga/mga_drv.c | 752 |
1 files changed, 68 insertions, 684 deletions
diff --git a/bsd/mga/mga_drv.c b/bsd/mga/mga_drv.c index 77d7c440..206a77dc 100644 --- a/bsd/mga/mga_drv.c +++ b/bsd/mga/mga_drv.c @@ -1,6 +1,6 @@ -/* mga_drv.c -- Matrox g200/g400 driver +/* 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. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. @@ -11,704 +11,88 @@ * 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@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 "drmP.h" -#include "mga_drv.h" +#include <sys/types.h> +#include <sys/bus.h> #include <pci/pcivar.h> +#include <opt_drm_linux.h> -MODULE_DEPEND(mga, drm, 1, 1, 1); -MODULE_DEPEND(mga, agp, 1, 1, 1); - -#define MGA_NAME "mga" -#define MGA_DESC "Matrox g200/g400" -#define MGA_DATE "20000928" -#define MGA_MAJOR 2 -#define MGA_MINOR 0 -#define MGA_PATCHLEVEL 0 - -drm_ctx_t mga_res_ctx; - -static int mga_probe(device_t dev) -{ - const char *s = 0; - - switch (pci_get_devid(dev)) { - case 0x0525102b: - s = "Matrox MGA G400 AGP graphics accelerator"; - break; - - case 0x0521102b: - s = "Matrox MGA G200 AGP graphics accelerator"; - break; - } - - if (s) { - device_set_desc(dev, s); - return 0; - } - - return ENXIO; -} - -static int mga_attach(device_t dev) -{ - return mga_init(dev); -} - -static int mga_detach(device_t dev) -{ - mga_cleanup(dev); - return 0; -} - -static device_method_t mga_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, mga_probe), - DEVMETHOD(device_attach, mga_attach), - DEVMETHOD(device_detach, mga_detach), - - { 0, 0 } -}; - -static driver_t mga_driver = { - "drm", - mga_methods, - sizeof(drm_device_t), -}; - -static devclass_t mga_devclass; -#define MGA_SOFTC(unit) \ - ((drm_device_t *) devclass_get_softc(mga_devclass, unit)) - -DRIVER_MODULE(if_mga, pci, mga_driver, mga_devclass, 0, 0); - -#define CDEV_MAJOR 145 - /* mga_drv.c */ -static struct cdevsw mga_cdevsw = { - /* open */ mga_open, - /* close */ mga_close, - /* read */ drm_read, - /* write */ drm_write, - /* ioctl */ mga_ioctl, - /* poll */ drm_poll, - /* mmap */ drm_mmap, - /* strategy */ nostrategy, - /* name */ "mga", - /* maj */ CDEV_MAJOR, - /* dump */ nodump, - /* psize */ nopsize, - /* flags */ D_TTY | D_TRACKCLOSE, - /* bmaj */ -1 -}; - -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 }, +#include "mga.h" +#include "drmP.h" +#include "mga_drv.h" - [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 }, +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." - [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { mga_dma, 1, 0 }, +#define DRIVER_NAME "mga" +#define DRIVER_DESC "Matrox G200/G400" +#define DRIVER_DATE "20010321" - [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 }, +#define DRIVER_MAJOR 3 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 2 - [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 }, +/* 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)[] = { + {0x102b, 0x0520, 0, "Matrox G200 (PCI)"}, + {0x102b, 0x0521, 1, "Matrox G200 (AGP)"}, + {0x102b, 0x0525, 1, "Matrox G400 (AGP)"}, + {0, 0, 0, NULL} }; -#define MGA_IOCTL_COUNT DRM_ARRAY_SIZE(mga_ioctls) - -static int mga_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; - - 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; - bzero(&dev->buf_sel, sizeof dev->buf_sel); - dev->buf_sigio = NULL; - dev->buf_readers = 0; - dev->buf_writers = 0; - dev->buf_selecting = 0; - - 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->irq) mga_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 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->handle); - drm_free_agp(entry->handle, entry->pages); - drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); - } - dev->agp->memory = NULL; - - if (dev->agp->acquired) - agp_release(dev->agp->agpdev); - - 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; - wakeup(&dev->lock.lock_queue); - } - lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc); - - return 0; -} - -/* mga_init is called via mga_attach at module load time, */ - -int -mga_init(device_t nbdev) -{ - int retcode; - 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 - drm_parse_options(mga); -#endif - dev->device = nbdev; - dev->devnode = make_dev(&mga_cdevsw, - device_get_unit(nbdev), - DRM_DEV_UID, - DRM_DEV_GID, - DRM_DEV_MODE, - MGA_NAME); - dev->name = MGA_NAME; - - DRM_DEBUG("doing mem init\n"); - drm_mem_init(); - DRM_DEBUG("doing proc init\n"); - drm_sysctl_init(dev); - TAILQ_INIT(&dev->files); - DRM_DEBUG("doing agp init\n"); - dev->agp = drm_agp_init(); - if(dev->agp == NULL) { - DRM_INFO("The mga drm module requires the agp module" - " to function correctly\nPlease load the agp" - " module before you load the mga module\n"); - drm_sysctl_cleanup(dev); - mga_takedown(dev); - return ENOMEM; - } -#if 0 - 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 - DRM_DEBUG("doing ctxbitmap init\n"); - if((retcode = drm_ctxbitmap_init(dev))) { - DRM_ERROR("Cannot allocate memory for context bitmap.\n"); - drm_sysctl_cleanup(dev); - 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, - device_get_unit(nbdev)); - - return 0; -} - -/* mga_cleanup is called via cleanup_module at module unload time. */ - -void mga_cleanup(device_t nbdev) -{ - drm_device_t *dev = device_get_softc(nbdev); - - DRM_DEBUG("\n"); - - drm_sysctl_cleanup(dev); - destroy_dev(dev->devnode); - - DRM_INFO("Module unloaded\n"); - drm_ctxbitmap_cleanup(dev); - mga_dma_cleanup(dev); -#if 0 - 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_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS); - dev->agp = NULL; - } -} - -int -mga_version(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p) -{ - drm_version_t version; - int len; - - version = *(drm_version_t *) data; - -#define DRM_COPY(name,value) \ - len = strlen(value); \ - if (len > name##_len) len = name##_len; \ - name##_len = strlen(value); \ - if (len && name) { \ - int error = copyout(value, name, len); \ - if (error) return error; \ - } - - 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); - - *(drm_version_t *) data = version; - return 0; -} - -int -mga_open(dev_t kdev, int flags, int fmt, struct proc *p) -{ - drm_device_t *dev = MGA_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 = mga_setup(dev); - } - simple_unlock(&dev->count_lock); - } - device_unbusy(dev->device); - - return retcode; -} - -int -mga_close(dev_t kdev, int flags, int fmt, struct proc *p) -{ - drm_device_t *dev = kdev->si_drv1; - drm_file_t *priv; - int retcode = 0; - - DRM_DEBUG("pid = %d, open_count = %d\n", - p->p_pid, dev->open_count); - - priv = drm_find_file_by_proc(dev, p); - if (!priv) { - DRM_DEBUG("can't find authenticator\n"); - return EINVAL; - } - - if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) - && dev->lock.pid == p->p_pid) { - mga_reclaim_buffers(dev, priv->pid); - DRM_ERROR("Process %d dead, freeing lock for context %d\n", - p->p_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 */ - for (;;) { - 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 = p->p_pid; - dev->lock.lock_time = ticks; - atomic_inc(&dev->total_locks); - break; /* Got lock */ - } - /* Contention */ - atomic_inc(&dev->total_sleeps); - retcode = tsleep(&dev->lock.lock_queue, - PZERO|PCATCH, - "drmlk2", - 0); - if (retcode) - break; - } - if(!retcode) { - mga_reclaim_buffers(dev, priv->pid); - drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT); - } - } - funsetown(dev->buf_sigio); - - lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, p); - priv = drm_find_file_by_proc(dev, p); - if (priv) { - priv->refs--; - if (!priv->refs) { - TAILQ_REMOVE(&dev->files, priv, link); - drm_free(priv, sizeof(*priv), DRM_MEM_FILES); - } - } - lockmgr(&dev->dev_lock, LK_RELEASE, 0, 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); - device_unbusy(dev->device); - return mga_takedown(dev); - } - simple_unlock(&dev->count_lock); - return retcode; -} - - -/* mga_ioctl is called whenever a process performs an ioctl on /dev/drm. */ - -int -mga_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; - - DRM_DEBUG("dev=%p\n", dev); - 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 FIONBIO: - atomic_dec(&dev->ioctl_count); - return 0; - - case FIOASYNC: - atomic_dec(&dev->ioctl_count); - dev->flags |= FASYNC; - return 0; - - case FIOSETOWN: - atomic_dec(&dev->ioctl_count); - return fsetown(*(int *)data, &dev->buf_sigio); - - case FIOGETOWN: - atomic_dec(&dev->ioctl_count); - *(int *) data = fgetown(dev->buf_sigio); - return 0; - } - - if (nr >= MGA_IOCTL_COUNT) { - retcode = EINVAL; - } else { - ioctl = &mga_ioctls[nr]; - func = ioctl->func; - - 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 -mga_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 lock; - int s; - - lock = *(drm_lock_t *) data; - - if (lock.context == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - p->p_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); - - s = splsofttq(); - mga_dma_schedule(dev, 1); - splx(s); - - if (drm_lock_free(dev, &dev->lock.hw_lock->lock, - DRM_KERNEL_CONTEXT)) { - DRM_ERROR("\n"); - } - - return 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_vm.h" +#include "drm_sysctl.h" + +DRIVER_MODULE(mga, pci, mga_driver, mga_devclass, 0, 0); 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