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

1 files changed, 272 insertions, 213 deletions

diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 9a8fe61f..58d98f50 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -19,14 +19,14 @@
  * 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>
- *
+ *    Gareth Hughes <gareth@valinux.com>
  */
 
 #ifndef _DRM_P_H_
@@ -75,6 +75,32 @@
 #endif
 #include "drm.h"
 
+/* DRM template customization defaults
+ */
+#ifndef __HAVE_AGP
+#define __HAVE_AGP		0
+#endif
+#ifndef __HAVE_MTRR
+#define __HAVE_MTRR		0
+#endif
+#ifndef __HAVE_DMA
+#define __HAVE_DMA		0
+#endif
+#ifndef __HAVE_DMA_WAITLIST
+#define __HAVE_DMA_WAITLIST	0
+#endif
+#ifndef __HAVE_DMA_FREELIST
+#define __HAVE_DMA_FREELIST	0
+#endif
+
+#define __REALLY_HAVE_AGP	(__HAVE_AGP && (defined(CONFIG_AGP) || \
+						defined(CONFIG_AGP_MODULE)))
+#define __REALLY_HAVE_MTRR	(__HAVE_MTRR && defined(CONFIG_MTRR))
+
+
+/* Begin the DRM...
+ */
+
 #define DRM_DEBUG_CODE 2	  /* Include debugging code (if > 1, then
 				     also include looping detection. */
 #define DRM_DMA_HISTOGRAM 1	  /* Make histogram of DMA latency. */
@@ -109,6 +135,7 @@
 #define DRM_MEM_TOTALAGP  16
 #define DRM_MEM_BOUNDAGP  17
 #define DRM_MEM_CTXBITMAP 18
+#define DRM_MEM_STUB      19
 
 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
 
@@ -259,16 +286,16 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
 	printk(KERN_ERR "[" DRM_NAME ":" __FUNCTION__ "] *ERROR* " fmt , ##arg)
 #define DRM_MEM_ERROR(area, fmt, arg...) \
 	printk(KERN_ERR "[" DRM_NAME ":" __FUNCTION__ ":%s] *ERROR* " fmt , \
-	       drm_mem_stats[area].name , ##arg)
+	       DRM(mem_stats)[area].name , ##arg)
 #define DRM_INFO(fmt, arg...)  printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg)
 
 #if DRM_DEBUG_CODE
-#define DRM_DEBUG(fmt, arg...)						  \
-	do {								  \
-		if (drm_flags&DRM_FLAG_DEBUG)				  \
-			printk(KERN_DEBUG				  \
-			       "[" DRM_NAME ":" __FUNCTION__ "] " fmt ,	  \
-			       ##arg);					  \
+#define DRM_DEBUG(fmt, arg...)						\
+	do {								\
+		if ( DRM(flags) & DRM_FLAG_DEBUG )			\
+			printk(KERN_DEBUG				\
+			       "[" DRM_NAME ":" __FUNCTION__ "] " fmt ,	\
+			       ##arg);					\
 	} while (0)
 #else
 #define DRM_DEBUG(fmt, arg...)		 do { } while (0)
@@ -276,22 +303,22 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
 
 #define DRM_PROC_LIMIT (PAGE_SIZE-80)
 
-#define DRM_PROC_PRINT(fmt, arg...)	   \
-   len += sprintf(&buf[len], fmt , ##arg); \
-   if (len > DRM_PROC_LIMIT) return len;
+#define DRM_PROC_PRINT(fmt, arg...)					\
+   len += sprintf(&buf[len], fmt , ##arg);				\
+   if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; }
 
-#define DRM_PROC_PRINT_RET(ret, fmt, arg...)	    \
-   len += sprintf(&buf[len], fmt , ##arg);	    \
-   if (len > DRM_PROC_LIMIT) { ret; return len; }
+#define DRM_PROC_PRINT_RET(ret, fmt, arg...)				\
+   len += sprintf(&buf[len], fmt , ##arg);				\
+   if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; }
 
 				/* Mapping helper macros */
 #define DRM_IOREMAP(map)						\
-	(map)->handle = drm_ioremap( (map)->offset, (map)->size )
+	(map)->handle = DRM(ioremap)( (map)->offset, (map)->size )
 
 #define DRM_IOREMAPFREE(map)						\
 	do {								\
 		if ( (map)->handle && (map)->size )			\
-			drm_ioremapfree( (map)->handle, (map)->size );	\
+			DRM(ioremapfree)( (map)->handle, (map)->size );	\
 	} while (0)
 
 #define DRM_FIND_MAP(map, o)						\
@@ -314,8 +341,8 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
 #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x))
 #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist)
 
-typedef int drm_ioctl_t(struct inode *inode, struct file *filp,
-			unsigned int cmd, unsigned long arg);
+typedef int drm_ioctl_t( struct inode *inode, struct file *filp,
+			 unsigned int cmd, unsigned long arg );
 
 typedef struct drm_ioctl_desc {
 	drm_ioctl_t	     *func;
@@ -463,9 +490,11 @@ typedef struct drm_queue {
 	wait_queue_head_t read_queue;	/* Processes waiting on block_read  */
 	atomic_t	  block_write;	/* Queue blocked for writes	    */
 	wait_queue_head_t write_queue;	/* Processes waiting on block_write */
+#if 1
 	atomic_t	  total_queued;	/* Total queued statistic	    */
 	atomic_t	  total_flushed;/* Total flushes statistic	    */
 	atomic_t	  total_locks;	/* Total locks statistics	    */
+#endif
 	drm_ctx_flags_t	  flags;	/* Context preserving and 2D-only   */
 	drm_waitlist_t	  waitlist;	/* Pending buffers		    */
 	wait_queue_head_t flush_queue;	/* Processes waiting until flush    */
@@ -479,6 +508,7 @@ typedef struct drm_lock_data {
 } drm_lock_data_t;
 
 typedef struct drm_device_dma {
+#if 0
 				/* Performance Counters */
 	atomic_t	  total_prio;	/* Total DRM_DMA_PRIORITY	   */
 	atomic_t	  total_bytes;	/* Total bytes DMA'd		   */
@@ -492,6 +522,7 @@ typedef struct drm_device_dma {
 	atomic_t	  total_tried;	/* Tried next_buffer		    */
 	atomic_t	  total_hit;	/* Sent next_buffer		    */
 	atomic_t	  total_lost;	/* Lost interrupt		    */
+#endif
 
 	drm_buf_entry_t	  bufs[DRM_MAX_ORDER+1];
 	int		  buf_count;
@@ -501,7 +532,7 @@ typedef struct drm_device_dma {
 	unsigned long	  *pagelist;
 	unsigned long	  byte_count;
 	enum {
-	   _DRM_DMA_USE_AGP = 0x01
+		_DRM_DMA_USE_AGP = 0x01
 	} flags;
 
 				/* DMA support */
@@ -511,7 +542,7 @@ typedef struct drm_device_dma {
 	wait_queue_head_t waiting;	/* Processes waiting on free bufs  */
 } drm_device_dma_t;
 
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
+#if __REALLY_HAVE_AGP
 typedef struct drm_agp_mem {
 	unsigned long      handle;
 	agp_memory         *memory;
@@ -559,17 +590,10 @@ typedef struct drm_device {
 	int		  buf_use;	/* Buffers in use -- cannot alloc  */
 	atomic_t	  buf_alloc;	/* Buffer allocation in progress   */
 
-				/* Performance Counters */
-	atomic_t	  total_open;
-	atomic_t	  total_close;
-	atomic_t	  total_ioctl;
-	atomic_t	  total_irq;	/* Total interruptions		   */
-	atomic_t	  total_ctx;	/* Total context switches	   */
-
-	atomic_t	  total_locks;
-	atomic_t	  total_unlocks;
-	atomic_t	  total_contends;
-	atomic_t	  total_sleeps;
+				/* Performance counters */
+	unsigned long     counters;
+	drm_stat_type_t   types[15];
+	atomic_t          counts[15];
 
 				/* Authentication */
 	drm_file_t	  *file_first;
@@ -617,7 +641,7 @@ typedef struct drm_device {
 	wait_queue_head_t buf_readers;	/* Processes waiting to read	   */
 	wait_queue_head_t buf_writers;	/* Processes waiting to ctx switch */
 
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
+#if __REALLY_HAVE_AGP
 	drm_agp_head_t    *agp;
 #endif
 	unsigned long     *ctx_bitmap;
@@ -630,227 +654,262 @@ typedef struct drm_device {
 				/* Internal function definitions */
 
 				/* Misc. support (init.c) */
-extern int	     drm_flags;
-extern void	     drm_parse_options(char *s);
-extern int           drm_cpu_valid(void);
+extern int	     DRM(flags);
+extern void	     DRM(parse_options)( char *s );
+extern int           DRM(cpu_valid)( void );
 
+				/* Driver support (drm_drv.h) */
+extern int           DRM(version)(struct inode *inode, struct file *filp,
+				  unsigned int cmd, unsigned long arg);
+extern int           DRM(open)(struct inode *inode, struct file *filp);
+extern int           DRM(release)(struct inode *inode, struct file *filp);
+extern int           DRM(ioctl)(struct inode *inode, struct file *filp,
+				unsigned int cmd, unsigned long arg);
+extern int           DRM(lock)(struct inode *inode, struct file *filp,
+			       unsigned int cmd, unsigned long arg);
+extern int           DRM(unlock)(struct inode *inode, struct file *filp,
+				 unsigned int cmd, unsigned long arg);
 
 				/* Device support (fops.c) */
-extern int	     drm_open_helper(struct inode *inode, struct file *filp,
-				     drm_device_t *dev);
-extern int	     drm_flush(struct file *filp);
-extern int	     drm_release(struct inode *inode, struct file *filp);
-extern int	     drm_fasync(int fd, struct file *filp, int on);
-extern ssize_t	     drm_read(struct file *filp, char *buf, size_t count,
-			      loff_t *off);
-extern int	     drm_write_string(drm_device_t *dev, const char *s);
-extern unsigned int  drm_poll(struct file *filp, struct poll_table_struct *wait);
+extern int	     DRM(open_helper)(struct inode *inode, struct file *filp,
+				      drm_device_t *dev);
+extern int	     DRM(flush)(struct file *filp);
+extern int	     DRM(release_fuck)(struct inode *inode, struct file *filp);
+extern int	     DRM(fasync)(int fd, struct file *filp, int on);
+extern ssize_t	     DRM(read)(struct file *filp, char *buf, size_t count,
+			       loff_t *off);
+extern int	     DRM(write_string)(drm_device_t *dev, const char *s);
+extern unsigned int  DRM(poll)(struct file *filp,
+			       struct poll_table_struct *wait);
 
 				/* Mapping support (vm.c) */
 #if LINUX_VERSION_CODE < 0x020317
-extern unsigned long drm_vm_nopage(struct vm_area_struct *vma,
+extern unsigned long DRM(vm_nopage)(struct vm_area_struct *vma,
+				    unsigned long address,
+				    int write_access);
+extern unsigned long DRM(vm_shm_nopage)(struct vm_area_struct *vma,
+					unsigned long address,
+					int write_access);
+extern unsigned long DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma,
+					     unsigned long address,
+					     int write_access);
+extern unsigned long DRM(vm_dma_nopage)(struct vm_area_struct *vma,
+					unsigned long address,
+					int write_access);
+#else
+				/* Return type changed in 2.3.23 */
+extern struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 				   unsigned long address,
 				   int write_access);
-extern unsigned long drm_vm_shm_nopage(struct vm_area_struct *vma,
+extern struct page *DRM(vm_shm_nopage)(struct vm_area_struct *vma,
 				       unsigned long address,
 				       int write_access);
-extern unsigned long drm_vm_shm_nopage_lock(struct vm_area_struct *vma,
+extern struct page *DRM(vm_shm_nopage_lock)(struct vm_area_struct *vma,
 					    unsigned long address,
 					    int write_access);
-extern unsigned long drm_vm_dma_nopage(struct vm_area_struct *vma,
+extern struct page *DRM(vm_dma_nopage)(struct vm_area_struct *vma,
 				       unsigned long address,
 				       int write_access);
-#else
-				/* Return type changed in 2.3.23 */
-extern struct page *drm_vm_nopage(struct vm_area_struct *vma,
-				  unsigned long address,
-				  int write_access);
-extern struct page *drm_vm_shm_nopage(struct vm_area_struct *vma,
-				      unsigned long address,
-				      int write_access);
-extern struct page *drm_vm_shm_nopage_lock(struct vm_area_struct *vma,
-					   unsigned long address,
-					   int write_access);
-extern struct page *drm_vm_dma_nopage(struct vm_area_struct *vma,
-				      unsigned long address,
-				      int write_access);
-#endif
-extern void	     drm_vm_open(struct vm_area_struct *vma);
-extern void	     drm_vm_close(struct vm_area_struct *vma);
-extern int	     drm_mmap_dma(struct file *filp,
-				  struct vm_area_struct *vma);
-extern int	     drm_mmap(struct file *filp, struct vm_area_struct *vma);
+#endif
+extern void	     DRM(vm_open)(struct vm_area_struct *vma);
+extern void	     DRM(vm_close)(struct vm_area_struct *vma);
+extern int	     DRM(mmap_dma)(struct file *filp,
+				   struct vm_area_struct *vma);
+extern int	     DRM(mmap)(struct file *filp, struct vm_area_struct *vma);
 
 
 				/* Proc support (proc.c) */
-extern int	     drm_proc_init(drm_device_t *dev);
-extern int	     drm_proc_cleanup(void);
+extern struct proc_dir_entry *drm_proc_init(drm_device_t *dev,
+					    int minor,
+					    struct proc_dir_entry *root,
+					    struct proc_dir_entry **dev_root);
+extern int          drm_proc_cleanup(int minor,
+                                     struct proc_dir_entry *root,
+                                     struct proc_dir_entry *dev_root);
 
 				/* Memory management support (memory.c) */
-extern void	     drm_mem_init(void);
-extern int	     drm_mem_info(char *buf, char **start, off_t offset,
-				  int len, int *eof, void *data);
-extern void	     *drm_alloc(size_t size, int area);
-extern void	     *drm_realloc(void *oldpt, size_t oldsize, size_t size,
-				  int area);
-extern char	     *drm_strdup(const char *s, int area);
-extern void	     drm_strfree(const char *s, int area);
-extern void	     drm_free(void *pt, size_t size, int area);
-extern unsigned long drm_alloc_pages(int order, int area);
-extern void	     drm_free_pages(unsigned long address, int order,
-				    int area);
-extern void	     *drm_ioremap(unsigned long offset, unsigned long size);
-extern void	     drm_ioremapfree(void *pt, unsigned long size);
-
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
-extern agp_memory    *drm_alloc_agp(int pages, u32 type);
-extern int           drm_free_agp(agp_memory *handle, int pages);
-extern int           drm_bind_agp(agp_memory *handle, unsigned int start);
-extern int           drm_unbind_agp(agp_memory *handle);
+extern void	     DRM(mem_init)(void);
+extern int	     DRM(mem_info)(char *buf, char **start, off_t offset,
+				   int request, int *eof, void *data);
+extern void	     *DRM(alloc)(size_t size, int area);
+extern void	     *DRM(realloc)(void *oldpt, size_t oldsize, size_t size,
+				   int area);
+extern char	     *DRM(strdup)(const char *s, int area);
+extern void	     DRM(strfree)(const char *s, int area);
+extern void	     DRM(free)(void *pt, size_t size, int area);
+extern unsigned long DRM(alloc_pages)(int order, int area);
+extern void	     DRM(free_pages)(unsigned long address, int order,
+				     int area);
+extern void	     *DRM(ioremap)(unsigned long offset, unsigned long size);
+extern void	     DRM(ioremapfree)(void *pt, unsigned long size);
+
+#if __REALLY_HAVE_AGP
+extern agp_memory    *DRM(alloc_agp)(int pages, u32 type);
+extern int           DRM(free_agp)(agp_memory *handle, int pages);
+extern int           DRM(bind_agp)(agp_memory *handle, unsigned int start);
+extern int           DRM(unbind_agp)(agp_memory *handle);
 #endif
 
-
-				/* Buffer management support (bufs.c) */
-extern int	     drm_order(unsigned long size);
-extern int	     drm_addmap(struct inode *inode, struct file *filp,
-				unsigned int cmd, unsigned long arg);
-extern int	     drm_addbufs(struct inode *inode, struct file *filp,
-				 unsigned int cmd, unsigned long arg);
-extern int	     drm_infobufs(struct inode *inode, struct file *filp,
-				  unsigned int cmd, unsigned long arg);
-extern int	     drm_markbufs(struct inode *inode, struct file *filp,
-				  unsigned int cmd, unsigned long arg);
-extern int	     drm_freebufs(struct inode *inode, struct file *filp,
-				  unsigned int cmd, unsigned long arg);
-extern int	     drm_mapbufs(struct inode *inode, struct file *filp,
-				 unsigned int cmd, unsigned long arg);
-
-
-				/* Buffer list management support (lists.c) */
-extern int	     drm_waitlist_create(drm_waitlist_t *bl, int count);
-extern int	     drm_waitlist_destroy(drm_waitlist_t *bl);
-extern int	     drm_waitlist_put(drm_waitlist_t *bl, drm_buf_t *buf);
-extern drm_buf_t     *drm_waitlist_get(drm_waitlist_t *bl);
-
-extern int	     drm_freelist_create(drm_freelist_t *bl, int count);
-extern int	     drm_freelist_destroy(drm_freelist_t *bl);
-extern int	     drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl,
-				      drm_buf_t *buf);
-extern drm_buf_t     *drm_freelist_get(drm_freelist_t *bl, int block);
-
-				/* DMA support (gen_dma.c) */
-extern void	     drm_dma_setup(drm_device_t *dev);
-extern void	     drm_dma_takedown(drm_device_t *dev);
-extern void	     drm_free_buffer(drm_device_t *dev, drm_buf_t *buf);
-extern void	     drm_reclaim_buffers(drm_device_t *dev, pid_t pid);
-extern int	     drm_context_switch(drm_device_t *dev, int old, int new);
-extern int	     drm_context_switch_complete(drm_device_t *dev, int new);
-extern void	     drm_clear_next_buffer(drm_device_t *dev);
-extern int	     drm_select_queue(drm_device_t *dev,
-				      void (*wrapper)(unsigned long));
-extern int	     drm_dma_enqueue(drm_device_t *dev, drm_dma_t *dma);
-extern int	     drm_dma_get_buffers(drm_device_t *dev, drm_dma_t *dma);
-#if DRM_DMA_HISTOGRAM
-extern int	     drm_histogram_slot(unsigned long count);
-extern void	     drm_histogram_compute(drm_device_t *dev, drm_buf_t *buf);
-#endif
-
-
 				/* Misc. IOCTL support (ioctl.c) */
-extern int	     drm_irq_busid(struct inode *inode, struct file *filp,
-				   unsigned int cmd, unsigned long arg);
-extern int	     drm_getunique(struct inode *inode, struct file *filp,
-				   unsigned int cmd, unsigned long arg);
-extern int	     drm_setunique(struct inode *inode, struct file *filp,
+extern int	     DRM(irq_busid)(struct inode *inode, struct file *filp,
+				    unsigned int cmd, unsigned long arg);
+extern int	     DRM(getunique)(struct inode *inode, struct file *filp,
+				    unsigned int cmd, unsigned long arg);
+extern int	     DRM(setunique)(struct inode *inode, struct file *filp,
+				    unsigned int cmd, unsigned long arg);
+extern int	     DRM(getmap)(struct inode *inode, struct file *filp,
+				 unsigned int cmd, unsigned long arg);
+extern int	     DRM(getclient)(struct inode *inode, struct file *filp,
+				    unsigned int cmd, unsigned long arg);
+extern int	     DRM(getstats)(struct inode *inode, struct file *filp,
 				   unsigned int cmd, unsigned long arg);
 
-
 				/* Context IOCTL support (context.c) */
-extern int	     drm_resctx(struct inode *inode, struct file *filp,
-				unsigned int cmd, unsigned long arg);
-extern int	     drm_addctx(struct inode *inode, struct file *filp,
-				unsigned int cmd, unsigned long arg);
-extern int	     drm_modctx(struct inode *inode, struct file *filp,
-				unsigned int cmd, unsigned long arg);
-extern int	     drm_getctx(struct inode *inode, struct file *filp,
-				unsigned int cmd, unsigned long arg);
-extern int	     drm_switchctx(struct inode *inode, struct file *filp,
-				   unsigned int cmd, unsigned long arg);
-extern int	     drm_newctx(struct inode *inode, struct file *filp,
-				unsigned int cmd, unsigned long arg);
-extern int	     drm_rmctx(struct inode *inode, struct file *filp,
-			       unsigned int cmd, unsigned long arg);
-
+extern int	     DRM(resctx)( struct inode *inode, struct file *filp,
+				  unsigned int cmd, unsigned long arg );
+extern int	     DRM(addctx)( struct inode *inode, struct file *filp,
+				  unsigned int cmd, unsigned long arg );
+extern int	     DRM(modctx)( struct inode *inode, struct file *filp,
+				  unsigned int cmd, unsigned long arg );
+extern int	     DRM(getctx)( struct inode *inode, struct file *filp,
+				  unsigned int cmd, unsigned long arg );
+extern int	     DRM(switchctx)( struct inode *inode, struct file *filp,
+				     unsigned int cmd, unsigned long arg );
+extern int	     DRM(newctx)( struct inode *inode, struct file *filp,
+				  unsigned int cmd, unsigned long arg );
+extern int	     DRM(rmctx)( struct inode *inode, struct file *filp,
+				 unsigned int cmd, unsigned long arg );
+
+extern int	     DRM(context_switch)(drm_device_t *dev, int old, int new);
+extern int	     DRM(context_switch_complete)(drm_device_t *dev, int new);
 
 				/* Drawable IOCTL support (drawable.c) */
-extern int	     drm_adddraw(struct inode *inode, struct file *filp,
+extern int	     DRM(adddraw)(struct inode *inode, struct file *filp,
+				  unsigned int cmd, unsigned long arg);
+extern int	     DRM(rmdraw)(struct inode *inode, struct file *filp,
 				 unsigned int cmd, unsigned long arg);
-extern int	     drm_rmdraw(struct inode *inode, struct file *filp,
-				unsigned int cmd, unsigned long arg);
 
 
 				/* Authentication IOCTL support (auth.c) */
-extern int	     drm_add_magic(drm_device_t *dev, drm_file_t *priv,
-				   drm_magic_t magic);
-extern int	     drm_remove_magic(drm_device_t *dev, drm_magic_t magic);
-extern int	     drm_getmagic(struct inode *inode, struct file *filp,
-				  unsigned int cmd, unsigned long arg);
-extern int	     drm_authmagic(struct inode *inode, struct file *filp,
+extern int	     DRM(add_magic)(drm_device_t *dev, drm_file_t *priv,
+				    drm_magic_t magic);
+extern int	     DRM(remove_magic)(drm_device_t *dev, drm_magic_t magic);
+extern int	     DRM(getmagic)(struct inode *inode, struct file *filp,
 				   unsigned int cmd, unsigned long arg);
+extern int	     DRM(authmagic)(struct inode *inode, struct file *filp,
+				    unsigned int cmd, unsigned long arg);
 
 
 				/* Locking IOCTL support (lock.c) */
-extern int	     drm_block(struct inode *inode, struct file *filp,
-			       unsigned int cmd, unsigned long arg);
-extern int	     drm_unblock(struct inode *inode, struct file *filp,
-				 unsigned int cmd, unsigned long arg);
-extern int	     drm_lock_take(__volatile__ unsigned int *lock,
-				   unsigned int context);
-extern int	     drm_lock_transfer(drm_device_t *dev,
-				       __volatile__ unsigned int *lock,
-				       unsigned int context);
-extern int	     drm_lock_free(drm_device_t *dev,
-				   __volatile__ unsigned int *lock,
-				   unsigned int context);
-extern int	     drm_finish(struct inode *inode, struct file *filp,
+extern int	     DRM(block)(struct inode *inode, struct file *filp,
 				unsigned int cmd, unsigned long arg);
-extern int	     drm_flush_unblock(drm_device_t *dev, int context,
-				       drm_lock_flags_t flags);
-extern int	     drm_flush_block_and_flush(drm_device_t *dev, int context,
-					       drm_lock_flags_t flags);
-extern int           drm_notifier(void *priv);
+extern int	     DRM(unblock)(struct inode *inode, struct file *filp,
+				  unsigned int cmd, unsigned long arg);
+extern int	     DRM(lock_take)(__volatile__ unsigned int *lock,
+				    unsigned int context);
+extern int	     DRM(lock_transfer)(drm_device_t *dev,
+					__volatile__ unsigned int *lock,
+					unsigned int context);
+extern int	     DRM(lock_free)(drm_device_t *dev,
+				    __volatile__ unsigned int *lock,
+				    unsigned int context);
+extern int	     DRM(finish)(struct inode *inode, struct file *filp,
+				 unsigned int cmd, unsigned long arg);
+extern int	     DRM(flush_unblock)(drm_device_t *dev, int context,
+					drm_lock_flags_t flags);
+extern int	     DRM(flush_block_and_flush)(drm_device_t *dev, int context,
+						drm_lock_flags_t flags);
+extern int           DRM(notifier)(void *priv);
 
 				/* Context Bitmap support (ctxbitmap.c) */
-extern int	     drm_ctxbitmap_init(drm_device_t *dev);
-extern void	     drm_ctxbitmap_cleanup(drm_device_t *dev);
-extern int	     drm_ctxbitmap_next(drm_device_t *dev);
-extern void	     drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle);
+extern int	     DRM(ctxbitmap_init)( drm_device_t *dev );
+extern void	     DRM(ctxbitmap_cleanup)( drm_device_t *dev );
 
-#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE)
+
+
+
+				/* Buffer management support (bufs.c) */
+extern int	     DRM(order)( unsigned long size );
+extern int	     DRM(addmap)( struct inode *inode, struct file *filp,
+				  unsigned int cmd, unsigned long arg );
+extern int	     DRM(addbufs)( struct inode *inode, struct file *filp,
+				   unsigned int cmd, unsigned long arg );
+extern int	     DRM(infobufs)( struct inode *inode, struct file *filp,
+				    unsigned int cmd, unsigned long arg );
+extern int	     DRM(markbufs)( struct inode *inode, struct file *filp,
+				    unsigned int cmd, unsigned long arg );
+extern int	     DRM(freebufs)( struct inode *inode, struct file *filp,
+				    unsigned int cmd, unsigned long arg );
+extern int	     DRM(mapbufs)( struct inode *inode, struct file *filp,
+				   unsigned int cmd, unsigned long arg );
+
+
+#if __HAVE_DMA
+				/* DMA support (dma.c) */
+extern int	     DRM(dma_setup)(drm_device_t *dev);
+extern void	     DRM(dma_takedown)(drm_device_t *dev);
+extern void	     DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf);
+extern void	     DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid);
+extern void	     DRM(clear_next_buffer)(drm_device_t *dev);
+extern int	     DRM(select_queue)(drm_device_t *dev,
+				       void (*wrapper)(unsigned long));
+extern int	     DRM(dma_enqueue)(drm_device_t *dev, drm_dma_t *dma);
+#if 0
+extern int	     DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma);
+#endif
+#if DRM_DMA_HISTOGRAM
+extern int	     DRM(histogram_slot)(unsigned long count);
+extern void	     DRM(histogram_compute)(drm_device_t *dev, drm_buf_t *buf);
+#endif
+#endif
+
+				/* Buffer list management support (lists.c) */
+#if __HAVE_DMA_WAITLIST
+extern int	     DRM(waitlist_create)(drm_waitlist_t *bl, int count);
+extern int	     DRM(waitlist_destroy)(drm_waitlist_t *bl);
+extern int	     DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf);
+extern drm_buf_t     *DRM(waitlist_get)(drm_waitlist_t *bl);
+#endif
+#if __HAVE_DMA_FREELIST
+extern int	     DRM(freelist_create)(drm_freelist_t *bl, int count);
+extern int	     DRM(freelist_destroy)(drm_freelist_t *bl);
+extern int	     DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl,
+				       drm_buf_t *buf);
+extern drm_buf_t     *DRM(freelist_get)(drm_freelist_t *bl, int block);
+#endif
+
+#if __REALLY_HAVE_AGP
 				/* AGP/GART support (agpsupport.c) */
-extern drm_agp_head_t *drm_agp_init(void);
-extern void           drm_agp_uninit(void);
-extern int            drm_agp_acquire(struct inode *inode, struct file *filp,
-				      unsigned int cmd, unsigned long arg);
-extern void           _drm_agp_release(void);
-extern int            drm_agp_release(struct inode *inode, struct file *filp,
+extern drm_agp_head_t *DRM(agp_init)(void);
+extern void           DRM(agp_uninit)(void);
+extern int            DRM(agp_acquire)(struct inode *inode, struct file *filp,
+				       unsigned int cmd, unsigned long arg);
+extern void           DRM(agp_do_release)(void);
+extern int            DRM(agp_release)(struct inode *inode, struct file *filp,
+				       unsigned int cmd, unsigned long arg);
+extern int            DRM(agp_enable)(struct inode *inode, struct file *filp,
 				      unsigned int cmd, unsigned long arg);
-extern int            drm_agp_enable(struct inode *inode, struct file *filp,
-				     unsigned int cmd, unsigned long arg);
-extern int            drm_agp_info(struct inode *inode, struct file *filp,
-				   unsigned int cmd, unsigned long arg);
-extern int            drm_agp_alloc(struct inode *inode, struct file *filp,
+extern int            DRM(agp_info)(struct inode *inode, struct file *filp,
 				    unsigned int cmd, unsigned long arg);
-extern int            drm_agp_free(struct inode *inode, struct file *filp,
-				   unsigned int cmd, unsigned long arg);
-extern int            drm_agp_unbind(struct inode *inode, struct file *filp,
+extern int            DRM(agp_alloc)(struct inode *inode, struct file *filp,
 				     unsigned int cmd, unsigned long arg);
-extern int            drm_agp_bind(struct inode *inode, struct file *filp,
-				   unsigned int cmd, unsigned long arg);
-extern agp_memory     *drm_agp_allocate_memory(size_t pages, u32 type);
-extern int            drm_agp_free_memory(agp_memory *handle);
-extern int            drm_agp_bind_memory(agp_memory *handle, off_t start);
-extern int            drm_agp_unbind_memory(agp_memory *handle);
+extern int            DRM(agp_free)(struct inode *inode, struct file *filp,
+				    unsigned int cmd, unsigned long arg);
+extern int            DRM(agp_unbind)(struct inode *inode, struct file *filp,
+				      unsigned int cmd, unsigned long arg);
+extern int            DRM(agp_bind)(struct inode *inode, struct file *filp,
+				    unsigned int cmd, unsigned long arg);
+extern agp_memory     *DRM(agp_allocate_memory)(size_t pages, u32 type);
+extern int            DRM(agp_free_memory)(agp_memory *handle);
+extern int            DRM(agp_bind_memory)(agp_memory *handle, off_t start);
+extern int            DRM(agp_unbind_memory)(agp_memory *handle);
+
+				/* Stub support (drm_stub.h) */
+int                   DRM(stub_register)(const char *name,
+					 struct file_operations *fops,
+					 drm_device_t *dev);
+int                   DRM(stub_unregister)(int minor);
+
 #endif
 #endif
 #endif