Merge mga-1-0-0-branch into trunk.

1 files changed, 70 insertions, 638 deletions

diff --git a/linux-core/mga_drv.c b/linux-core/mga_drv.c
index d1c39e99..b498a3e1 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 +19,80 @@
  * 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		"20010212"
+
+#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
+
+#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)
+
+#define DRIVER_PRETAKEDOWN() do {					\
+	if ( dev->dev_private ) mga_do_cleanup_dma( dev );		\
+} while (0)
+
+#include "drm_drv.h"
+
+
+#define DRIVER_BUF_PRIV_T	drm_mga_buf_priv_t
+
+#define DRIVER_AGP_BUFFERS_MAP( dev )					\
+	((drm_mga_private_t *)((dev)->dev_private))->buffers
+
+#include "drm_bufs.h"
+
+
+#include "drm_agpsupport.h"
+#include "drm_auth.h"
+#include "drm_context.h"
+#include "drm_dma.h"
+#include "drm_drawable.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"