patch-2.4.8 linux/drivers/char/drm/r128_drv.c

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diff -u --recursive --new-file v2.4.7/linux/drivers/char/drm/r128_drv.c linux/drivers/char/drm/r128_drv.c
@@ -1,7 +1,7 @@
 /* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
  * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
  *
- * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  * All Rights Reserved.
  *
@@ -19,681 +19,94 @@
  * 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.
+ * 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>
- *    Kevin E. Martin <martin@valinux.com>
  *    Gareth Hughes <gareth@valinux.com>
- *
  */
 
 #include <linux/config.h>
+#include "r128.h"
 #include "drmP.h"
 #include "r128_drv.h"
+#include "ati_pcigart.h"
 
-#define R128_NAME		"r128"
-#define R128_DESC		"ATI Rage 128"
-#define R128_DATE		"20001215"
-#define R128_MAJOR		2
-#define R128_MINOR		1
-#define R128_PATCHLEVEL		2
-
-static drm_device_t	r128_device;
-drm_ctx_t		r128_res_ctx;
-
-static struct file_operations r128_fops = {
-#if LINUX_VERSION_CODE >= 0x020400
-				/* This started being used during 2.4.0-test */
-	owner:   THIS_MODULE,
-#endif
-	open:	 r128_open,
-	flush:	 drm_flush,
-	release: r128_release,
-	ioctl:	 r128_ioctl,
-	mmap:	 drm_mmap,
-	read:	 drm_read,
-	fasync:	 drm_fasync,
-	poll:	 drm_poll,
-};
-
-static struct miscdevice      r128_misc = {
-	minor: MISC_DYNAMIC_MINOR,
-	name:  R128_NAME,
-	fops:  &r128_fops,
-};
-
-static drm_ioctl_desc_t	      r128_ioctls[] = {
-	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)]      = { r128_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)]     = { r128_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)]     = { r128_mapbufs,      1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)]    = { drm_freebufs,      1, 0 },
-
-	[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)]      = { r128_addctx,	      1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)]       = { r128_rmctx,	      1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)]      = { r128_modctx,	      1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)]      = { r128_getctx,	      1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)]   = { r128_switchctx,    1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)]      = { r128_newctx,	      1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)]      = { r128_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)]	       = { r128_cce_buffers,  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_LOCK)]	       = { r128_lock,	      1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)]       = { r128_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_R128_INIT)]    = { r128_cce_init,     1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_START)] = { r128_cce_start,  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_STOP)]  = { r128_cce_stop,   1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_RESET)] = { r128_cce_reset,  1, 1 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_IDLE)]  = { r128_cce_idle,   1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_RESET)]   = { r128_engine_reset, 1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_SWAP)]    = { r128_cce_swap,     1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_CLEAR)]   = { r128_cce_clear,    1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_VERTEX)]  = { r128_cce_vertex,   1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_INDICES)] = { r128_cce_indices,  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_BLIT)]    = { r128_cce_blit,     1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_DEPTH)]   = { r128_cce_depth,    1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_STIPPLE)] = { r128_cce_stipple,  1, 0 },
-	[DRM_IOCTL_NR(DRM_IOCTL_R128_PACKET)]  = { r128_cce_packet,   1, 0 },
-};
-#define R128_IOCTL_COUNT DRM_ARRAY_SIZE(r128_ioctls)
+#define DRIVER_NAME		"r128"
+#define DRIVER_DESC		"ATI Rage 128"
+#define DRIVER_DATE		"20010405"
+
+#define DRIVER_MAJOR		2
+#define DRIVER_MINOR		1
+#define DRIVER_PATCHLEVEL	6
+
+#define DRIVER_IOCTLS							    \
+   [DRM_IOCTL_NR(DRM_IOCTL_DMA)]             = { r128_cce_buffers,  1, 0 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_INIT)]       = { r128_cce_init,     1, 1 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_START)]  = { r128_cce_start,    1, 1 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_STOP)]   = { r128_cce_stop,     1, 1 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_RESET)]  = { r128_cce_reset,    1, 1 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_CCE_IDLE)]   = { r128_cce_idle,     1, 0 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_RESET)]      = { r128_engine_reset, 1, 0 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_FULLSCREEN)] = { r128_fullscreen,   1, 0 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_SWAP)]       = { r128_cce_swap,     1, 0 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_CLEAR)]      = { r128_cce_clear,    1, 0 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_VERTEX)]     = { r128_cce_vertex,   1, 0 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_INDICES)]    = { r128_cce_indices,  1, 0 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_BLIT)]       = { r128_cce_blit,     1, 0 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_DEPTH)]      = { r128_cce_depth,    1, 0 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_STIPPLE)]    = { r128_cce_stipple,  1, 0 }, \
+   [DRM_IOCTL_NR(DRM_IOCTL_R128_INDIRECT)]   = { r128_cce_indirect, 1, 1 },
 
-#ifdef MODULE
-static char		      *r128 = 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("r128");
-MODULE_PARM(r128, "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
-/* r128_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 r128_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 r128_options( char *str )
 {
-	drm_parse_options(str);
+	DRM(parse_options)( str );
 	return 1;
 }
 
-__setup("r128=", r128_options);
-#endif
-
-static int r128_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);
-
-	r128_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 r128_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 r128_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;
-}
-
-/* r128_init is called via init_module at module load time, or via
- * linux/init/main.c (this is not currently supported). */
-
-static int __init r128_init(void)
-{
-	int		      retcode;
-	drm_device_t	      *dev = &r128_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(r128);
-#endif
-
-	if ((retcode = misc_register(&r128_misc))) {
-		DRM_ERROR("Cannot register \"%s\"\n", R128_NAME);
-		return retcode;
-	}
-	dev->device = MKDEV(MISC_MAJOR, r128_misc.minor);
-	dev->name   = R128_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(&r128_misc);
-		r128_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);
+__setup( DRIVER_NAME "=", r128_options );
 #endif
-#endif
-
-	if((retcode = drm_ctxbitmap_init(dev))) {
-		DRM_ERROR("Cannot allocate memory for context bitmap.\n");
-		drm_proc_cleanup();
-		misc_deregister(&r128_misc);
-		r128_takedown(dev);
-		return retcode;
-	}
-
-	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
-		 R128_NAME,
-		 R128_MAJOR,
-		 R128_MINOR,
-		 R128_PATCHLEVEL,
-		 R128_DATE,
-		 r128_misc.minor);
-
-	return 0;
-}
-
-/* r128_cleanup is called via cleanup_module at module unload time. */
-
-static void __exit r128_cleanup(void)
-{
-	drm_device_t	      *dev = &r128_device;
-
-	DRM_DEBUG("\n");
-
-	drm_proc_cleanup();
-	if (misc_deregister(&r128_misc)) {
-		DRM_ERROR("Cannot unload module\n");
-	} else {
-		DRM_INFO("Module unloaded\n");
-	}
-	drm_ctxbitmap_cleanup(dev);
-	r128_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(r128_init);
-module_exit(r128_cleanup);
 
-
-int r128_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	   = R128_MAJOR;
-	version.version_minor	   = R128_MINOR;
-	version.version_patchlevel = R128_PATCHLEVEL;
-
-	DRM_COPY(version.name, R128_NAME);
-	DRM_COPY(version.date, R128_DATE);
-	DRM_COPY(version.desc, R128_DESC);
-
-	if (copy_to_user((drm_version_t *)arg,
-			 &version,
-			 sizeof(version)))
-		return -EFAULT;
-	return 0;
-}
-
-int r128_open(struct inode *inode, struct file *filp)
-{
-	drm_device_t  *dev    = &r128_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 r128_setup(dev);
-		}
-		spin_unlock(&dev->count_lock);
-	}
-
-	return retcode;
-}
-
-int r128_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);
-	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 r128_takedown(dev);
-		}
-		spin_unlock(&dev->count_lock);
-	}
-
-	unlock_kernel();
-	return retcode;
-}
-
-/* r128_ioctl is called whenever a process performs an ioctl on /dev/drm. */
-int r128_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 >= R128_IOCTL_COUNT) {
-		retcode = -EINVAL;
-	} else {
-		ioctl	  = &r128_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);
-		}
-	}
-
-#if 0
-	if ( retcode ) {
-		DRM_INFO( "%s 0x%x ret = %d\n", __FUNCTION__, nr, retcode );
-	}
-#endif
-
-	atomic_dec(&dev->ioctl_count);
-	return retcode;
-}
-
-int r128_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)
-                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
-                        r128_quiescent(dev);
-#endif
-		}
-        }
-
-#if LINUX_VERSION_CODE < 0x020400
-	if (lock.context != r128_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 r128_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 != r128_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"

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)