patch-2.4.8 linux/drivers/char/drm/radeon_drv.c

• Lines: 761
• Date: Wed Aug 8 09:42:15 2001
• Orig file: v2.4.7/linux/drivers/char/drm/radeon_drv.c
• Orig date: Fri Jan 19 13:34:08 2001

diff -u --recursive --new-file v2.4.7/linux/drivers/char/drm/radeon_drv.c linux/drivers/char/drm/radeon_drv.c
@@ -1,7 +1,7 @@
 /* radeon_drv.c -- ATI Radeon driver -*- linux-c -*-
+ * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
  *
- * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Fremont, California.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -18,685 +18,92 @@
  * 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: Kevin E. Martin <martin@valinux.com>
- *          Rickard E. (Rik) Faith <faith@valinux.com>
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  *
+ * Authors:
+ *    Gareth Hughes <gareth@valinux.com>
  */
 
 #include <linux/config.h>
+#include "radeon.h"
 #include "drmP.h"
 #include "radeon_drv.h"
+#include "ati_pcigart.h"
 
-#define RADEON_NAME		"radeon"
-#define RADEON_DESC		"ATI Radeon"
-#define RADEON_DATE		"20010105"
-#define RADEON_MAJOR		1
-#define RADEON_MINOR		0
-#define RADEON_PATCHLEVEL	0
-
-static drm_device_t	      radeon_device;
-drm_ctx_t	              radeon_res_ctx;
-
-static struct file_operations radeon_fops = {
-#if LINUX_VERSION_CODE >= 0x020400
-				/* This started being used during 2.4.0-test */
-	owner:   THIS_MODULE,
-#endif
-	open:	 radeon_open,
-	flush:	 drm_flush,
-	release: radeon_release,
-	ioctl:	 radeon_ioctl,
-	mmap:	 drm_mmap,
-	read:	 drm_read,
-	fasync:	 drm_fasync,
-	poll:	 drm_poll,
-};
-
-static struct miscdevice      radeon_misc = {
-	minor: MISC_DYNAMIC_MINOR,
-	name:  RADEON_NAME,
-	fops:  &radeon_fops,
-};
-
-static drm_ioctl_desc_t	      radeon_ioctls[] = {
-	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)]       = { radeon_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_AUTH_MAGIC)]    = { drm_authmagic,	1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)]       = { drm_addmap,		1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)]      = { radeon_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)]      = { radeon_mapbufs,	1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)]     = { drm_freebufs,	1, 0 },
-
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)]       = { radeon_addctx,	1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)]        = { radeon_rmctx,	1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)]       = { radeon_modctx,	1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)]       = { radeon_getctx,	1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)]    = { radeon_switchctx,	1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)]       = { radeon_newctx,	1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)]       = { radeon_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)]	        = { radeon_cp_buffers,	1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_LOCK)]	        = { radeon_lock,	1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)]        = { radeon_unlock,	1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_FINISH)]        = { drm_finish,		1, 0 },
-
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
-	[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 },
-#endif
+#define DRIVER_AUTHOR		"Gareth Hughes, VA Linux Systems Inc."
 
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_INIT)]  = { radeon_cp_init,   1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_START)] = { radeon_cp_start,  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_STOP)]  = { radeon_cp_stop,   1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_RESET)] = { radeon_cp_reset,  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_IDLE)]  = { radeon_cp_idle,   1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_RESET)] = { radeon_engine_reset, 1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_FULLSCREEN)] = { radeon_fullscreen, 1, 0 },
-
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_SWAP)]    = { radeon_cp_swap,    1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_CLEAR)]   = { radeon_cp_clear,   1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_VERTEX)]  = { radeon_cp_vertex,  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDICES)] = { radeon_cp_indices, 1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_BLIT)]    = { radeon_cp_blit,    1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_STIPPLE)] = { radeon_cp_stipple, 1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDIRECT)]= { radeon_cp_indirect,1, 1 },
-};
-#define RADEON_IOCTL_COUNT DRM_ARRAY_SIZE(radeon_ioctls)
+#define DRIVER_NAME		"radeon"
+#define DRIVER_DESC		"ATI Radeon"
+#define DRIVER_DATE		"20010405"
+
+#define DRIVER_MAJOR		1
+#define DRIVER_MINOR		1
+#define DRIVER_PATCHLEVEL	1
+
+#define DRIVER_IOCTLS							     \
+ [DRM_IOCTL_NR(DRM_IOCTL_DMA)]               = { radeon_cp_buffers,  1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_INIT)]    = { radeon_cp_init,     1, 1 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_START)]   = { radeon_cp_start,    1, 1 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_STOP)]    = { radeon_cp_stop,     1, 1 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_RESET)]   = { radeon_cp_reset,    1, 1 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CP_IDLE)]    = { radeon_cp_idle,     1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_RESET)]    = { radeon_engine_reset,  1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_FULLSCREEN)] = { radeon_fullscreen,  1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_SWAP)]       = { radeon_cp_swap,     1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_CLEAR)]      = { radeon_cp_clear,    1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_VERTEX)]     = { radeon_cp_vertex,   1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDICES)]    = { radeon_cp_indices,  1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_TEXTURE)]    = { radeon_cp_texture,  1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_STIPPLE)]    = { radeon_cp_stipple,  1, 0 }, \
+ [DRM_IOCTL_NR(DRM_IOCTL_RADEON_INDIRECT)]   = { radeon_cp_indirect, 1, 1 },
 
-#ifdef MODULE
-static char		      *radeon = NULL;
+
+#if 0
+/* GH: Count data sent to card via ring or vertex/indirect buffers.
+ */
+#define __HAVE_COUNTERS         3
+#define __HAVE_COUNTER6         _DRM_STAT_IRQ
+#define __HAVE_COUNTER7         _DRM_STAT_PRIMARY
+#define __HAVE_COUNTER8         _DRM_STAT_SECONDARY
 #endif
 
-MODULE_AUTHOR("VA Linux Systems, Inc.");
-MODULE_DESCRIPTION("radeon");
-MODULE_PARM(radeon, "s");
+
+#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"
 
 #ifndef MODULE
-/* radeon_options is called by the kernel to parse command-line options
+/* DRM(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 radeon_options(char *str)
+/* JH- We have to hand expand the string ourselves because of the cpp.  If
+ * anyone can think of a way that we can fit into the __setup macro without
+ * changing it, then please send the solution my way.
+ */
+static int __init radeon_options( char *str )
 {
-	drm_parse_options(str);
+	DRM(parse_options)( str );
 	return 1;
 }
 
-__setup("radeon=", radeon_options);
+__setup( DRIVER_NAME "=", radeon_options );
 #endif
 
-static int radeon_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);
-
-	radeon_res_ctx.handle = -1;
-
-	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 radeon_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");
-
-	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;
-	}
-
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
-				/* 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 radeon_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;
-	}
-#endif
-
-				/* 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;
-	}
-
-	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;
-}
-
-/* radeon_init is called via init_module at module load time, or via
- * linux/init/main.c (this is not currently supported). */
-
-static int __init radeon_init(void)
-{
-	int		      retcode;
-	drm_device_t	      *dev = &radeon_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(radeon);
-#endif
-
-	if ((retcode = misc_register(&radeon_misc))) {
-		DRM_ERROR("Cannot register \"%s\"\n", RADEON_NAME);
-		return retcode;
-	}
-	dev->device = MKDEV(MISC_MAJOR, radeon_misc.minor);
-	dev->name   = RADEON_NAME;
-
-	drm_mem_init();
-	drm_proc_init(dev);
-
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
-	dev->agp    = drm_agp_init();
-      	if (dev->agp == NULL) {
-	   	DRM_ERROR("Cannot initialize agpgart module.\n");
-	   	drm_proc_cleanup();
-	   	misc_deregister(&radeon_misc);
-	   	radeon_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
-#endif
-
-	if((retcode = drm_ctxbitmap_init(dev))) {
-		DRM_ERROR("Cannot allocate memory for context bitmap.\n");
-		drm_proc_cleanup();
-		misc_deregister(&radeon_misc);
-		radeon_takedown(dev);
-		return retcode;
-	}
-
-	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
-		 RADEON_NAME,
-		 RADEON_MAJOR,
-		 RADEON_MINOR,
-		 RADEON_PATCHLEVEL,
-		 RADEON_DATE,
-		 radeon_misc.minor);
-
-	return 0;
-}
-
-/* radeon_cleanup is called via cleanup_module at module unload time. */
-
-static void __exit radeon_cleanup(void)
-{
-	drm_device_t	      *dev = &radeon_device;
-
-	DRM_DEBUG("\n");
-
-	drm_proc_cleanup();
-	if (misc_deregister(&radeon_misc)) {
-		DRM_ERROR("Cannot unload module\n");
-	} else {
-		DRM_INFO("Module unloaded\n");
-	}
-	drm_ctxbitmap_cleanup(dev);
-	radeon_takedown(dev);
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
-	if (dev->agp) {
-		drm_agp_uninit();
-		drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
-		dev->agp = NULL;
-	}
-#endif
-}
-
-module_init(radeon_init);
-module_exit(radeon_cleanup);
-
-
-int radeon_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	   = RADEON_MAJOR;
-	version.version_minor	   = RADEON_MINOR;
-	version.version_patchlevel = RADEON_PATCHLEVEL;
-
-	DRM_COPY(version.name, RADEON_NAME);
-	DRM_COPY(version.date, RADEON_DATE);
-	DRM_COPY(version.desc, RADEON_DESC);
-
-	if (copy_to_user((drm_version_t *)arg,
-			 &version,
-			 sizeof(version)))
-		return -EFAULT;
-	return 0;
-}
-
-int radeon_open(struct inode *inode, struct file *filp)
-{
-	drm_device_t  *dev    = &radeon_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 radeon_setup(dev);
-		}
-		spin_unlock(&dev->count_lock);
-	}
-
-	return retcode;
-}
-
-int radeon_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("open_count = %d\n", dev->open_count);
-
-	/* Force the cleanup of page flipping when required */
-	if ( dev->dev_private ) {
-		drm_radeon_private_t *dev_priv = dev->dev_private;
-		if ( dev_priv->page_flipping ) {
-			radeon_do_cleanup_pageflip( dev );
-		}
-	}
-
-	if (!(retcode = drm_release(inode, filp))) {
-#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 radeon_takedown(dev);
-		}
-		spin_unlock(&dev->count_lock);
-	}
-
-	unlock_kernel();
-	return retcode;
-}
-
-/* radeon_ioctl is called whenever a process performs an ioctl on /dev/drm. */
-
-int radeon_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;
-
-	DRM_DEBUG("pid = %d, cmd = 0x%02x, nr = 0x%02x, dev 0x%x, auth = %d\n",
-		  current->pid, cmd, nr, dev->device, priv->authenticated);
-
-	if (nr >= RADEON_IOCTL_COUNT) {
-		retcode = -EINVAL;
-	} else {
-		ioctl	  = &radeon_ioctls[nr];
-		func	  = ioctl->func;
-
-		if (!func) {
-			DRM_DEBUG("no function\n");
-			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 radeon_lock(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;
-        DECLARE_WAITQUEUE(entry, current);
-        int               ret   = 0;
-        drm_lock_t        lock;
-#if DRM_DMA_HISTOGRAM
-        cycles_t          start;
-
-        dev->lck_start = start = get_cycles();
-#endif
-
-        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;
-        }
-
-        DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
-                  lock.context, current->pid, dev->lock.hw_lock->lock,
-                  lock.flags);
-
-        if (lock.context < 0 /* || lock.context >= dev->queue_count */)
-                return -EINVAL;
-
-        if (!ret) {
-                add_wait_queue(&dev->lock.lock_queue, &entry);
-                for (;;) {
-                        current->state = TASK_INTERRUPTIBLE;
-                        if (!dev->lock.hw_lock) {
-                                /* Device has been unregistered */
-                                ret = -EINTR;
-                                break;
-                        }
-                        if (drm_lock_take(&dev->lock.hw_lock->lock,
-                                          lock.context)) {
-                                dev->lock.pid       = current->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)) {
-                                ret = -ERESTARTSYS;
-                                break;
-                        }
-                }
-                current->state = TASK_RUNNING;
-                remove_wait_queue(&dev->lock.lock_queue, &entry);
-        }
-
-        if (!ret) {
-		sigemptyset(&dev->sigmask);
-		sigaddset(&dev->sigmask, SIGSTOP);
-		sigaddset(&dev->sigmask, SIGTSTP);
-		sigaddset(&dev->sigmask, SIGTTIN);
-		sigaddset(&dev->sigmask, SIGTTOU);
-		dev->sigdata.context = lock.context;
-		dev->sigdata.lock    = dev->lock.hw_lock;
-		block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
-                if (lock.flags & _DRM_LOCK_READY) {
-				/* Wait for space in DMA/FIFO */
-		}
-                if (lock.flags & _DRM_LOCK_QUIESCENT) {
-				/* Make hardware quiescent */
-			DRM_DEBUG("not quiescent!\n");
-#if 0
-                        radeon_quiescent(dev);
-#endif
-		}
-        }
-
-#if LINUX_VERSION_CODE < 0x020400
-	if (lock.context != radeon_res_ctx.handle) {
-		current->counter = 5;
-		current->priority = DEF_PRIORITY/4;
-	}
-#endif
-        DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock");
-
-#if DRM_DMA_HISTOGRAM
-        atomic_inc(&dev->histo.lacq[drm_histogram_slot(get_cycles() - start)]);
-#endif
-
-        return ret;
-}
-
-
-int radeon_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;
-	}
-
-	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);
-				/* FIXME: Try to send data to card here */
-	if (!dev->context_flag) {
-		if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
-				  DRM_KERNEL_CONTEXT)) {
-			DRM_ERROR("\n");
-		}
-	}
-
-#if LINUX_VERSION_CODE < 0x020400
-	if (lock.context != radeon_res_ctx.handle) {
-		current->counter = 5;
-		current->priority = DEF_PRIORITY;
-	}
-#endif
-	unblock_all_signals();
-	return 0;
-}
+#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"
+#include "drm_scatter.h"