First pass merge of XFree86 4.2.0 import.

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);