Merged drmfntbl-0-0-1

18 files changed, 340 insertions, 341 deletions

diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 1928fabd..75fb999a 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -105,12 +105,6 @@
 #ifndef __HAVE_IRQ
 #define __HAVE_IRQ		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)))
@@ -225,54 +219,6 @@
 
 
 /***********************************************************************/
-/** \name Mapping helper macros */
-/*@{*/
-
-#define DRM_IOREMAP(map, dev)							\
-	(map)->handle = DRM(ioremap)( (map)->offset, (map)->size, (dev) )
-
-#define DRM_IOREMAP_NOCACHE(map, dev)						\
-	(map)->handle = DRM(ioremap_nocache)((map)->offset, (map)->size, (dev))
-
-#define DRM_IOREMAPFREE(map, dev)						\
-	do {									\
-		if ( (map)->handle && (map)->size )				\
-			DRM(ioremapfree)( (map)->handle, (map)->size, (dev) );	\
-	} while (0)
-
-/**
- * Find mapping.
- *
- * \param _map matching mapping if found, untouched otherwise.
- * \param _o offset.
- *
- * Expects the existence of a local variable named \p dev pointing to the
- * drm_device structure.
- */
-#define DRM_FIND_MAP(_map, _o)								\
-do {											\
-	struct list_head *_list;							\
-	list_for_each( _list, &dev->maplist->head ) {					\
-		drm_map_list_t *_entry = list_entry( _list, drm_map_list_t, head );	\
-		if ( _entry->map &&							\
-		     _entry->map->offset == (_o) ) {					\
-			(_map) = _entry->map;						\
-			break;								\
- 		}									\
-	}										\
-} while(0)
-
-/**
- * Drop mapping.
- *
- * \sa #DRM_FIND_MAP.
- */
-#define DRM_DROP_MAP(_map)
-
-/*@}*/
-
-
-/***********************************************************************/
 /** \name Internal types and structures */
 /*@{*/
 
@@ -569,6 +515,35 @@ typedef struct drm_vbl_sig {
 
 #endif
 
+/** 
+ * DRM device functions structure
+ */
+struct drm_device;
+
+struct drm_driver_fn {
+	int (*preinit)(struct drm_device *, unsigned long flags);
+	int (*postinit)(struct drm_device *, unsigned long flags);
+	void (*prerelease)(struct drm_device *, struct file *filp);
+	void (*pretakedown)(struct drm_device *);
+	int (*postcleanup)(struct drm_device *);
+	int (*presetup)(struct drm_device *);
+	int (*postsetup)(struct drm_device *);
+	void (*open_helper)(struct drm_device *, drm_file_t *);
+	void (*release)(struct drm_device *, struct file *filp);
+	void (*dma_ready)(struct drm_device *);
+	int (*dma_quiescent)(struct drm_device *);
+	int (*dma_flush_block_and_flush)(struct drm_device *, int context, drm_lock_flags_t flags);
+	int (*dma_flush_unblock)(struct drm_device *, int context, drm_lock_flags_t flags);
+	int (*context_ctor)(struct drm_device *dev, int context);
+	int (*context_dtor)(struct drm_device *dev, int context);
+	int (*kernel_context_switch)(struct drm_device *dev, int old, int new);
+	int (*kernel_context_switch_unlock)(struct drm_device *dev);
+	int (*dma_schedule)(struct drm_device *dev, int locked);
+	int (*waitlist_destroy)(drm_waitlist_t *bl);	
+	int (*freelist_create)(drm_freelist_t *bl, int count);
+	int (*freelist_put)(struct drm_device *dev, drm_freelist_t *bl, drm_buf_t *buf);
+	int (*freelist_destroy)(drm_freelist_t *bl);
+};
 
 /**
  * DRM device structure.
@@ -704,8 +679,12 @@ typedef struct drm_device {
 	sigset_t          sigmask;
 	
 	int               need_reset;	/**< secondary device needing reset */
+	struct drm_driver_fn fn_tbl;
+	drm_local_map_t   *agp_buffer_map;
+	int               dev_priv_size;
 } drm_device_t;
 
+extern void DRM(driver_register_fns)(struct drm_device *dev);
 
 /******************************************************************/
 /** \name Internal function definitions */
@@ -960,6 +939,40 @@ extern void	      *DRM(pci_alloc)(drm_device_t *dev, size_t size,
 extern void	      DRM(pci_free)(drm_device_t *dev, size_t size, 
 					void *vaddr, dma_addr_t busaddr);
 
+
+/* Inline replacements for DRM_IOREMAP macros */
+static __inline__ void drm_core_ioremap(struct drm_map *map, struct drm_device *dev)
+{
+	map->handle = DRM(ioremap)( map->offset, map->size, dev );
+}
+
+static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, struct drm_device *dev)
+{
+	map->handle = DRM(ioremap_nocache)(map->offset, map->size, dev);
+}
+
+static __inline__ void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev)
+{
+	if ( map->handle && map->size )
+		DRM(ioremapfree)( map->handle, map->size, dev );
+}
+
+static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned long offset)
+{
+	struct list_head *_list;
+	list_for_each( _list, &dev->maplist->head ) {
+		drm_map_list_t *_entry = list_entry( _list, drm_map_list_t, head );
+		if ( _entry->map &&
+		     _entry->map->offset == offset ) {
+			return _entry->map;
+		}
+	}
+	return NULL;
+}
+
+static __inline__ void drm_core_dropmap(struct drm_map *map)
+{
+}
 /*@}*/
 
 #endif /* __KERNEL__ */
diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c
index ef7c3756..d3d0b83c 100644
--- a/linux-core/drm_bufs.c
+++ b/linux-core/drm_bufs.c
@@ -45,18 +45,6 @@
 #define __HAVE_SG		0
 #endif
 
-#ifndef DRIVER_BUF_PRIV_T
-#define DRIVER_BUF_PRIV_T		u32
-#endif
-#ifndef DRIVER_AGP_BUFFERS_MAP
-#if __HAVE_AGP && __HAVE_DMA
-#error "You must define DRIVER_AGP_BUFFERS_MAP()"
-#else
-#define DRIVER_AGP_BUFFERS_MAP( dev )	NULL
-#endif
-#endif
-
-
 /**
  * Compute size order.  Returns the exponent of the smaller power of two which
  * is greater or equal to given number.
@@ -316,7 +304,7 @@ int DRM(rmmap)(struct inode *inode, struct file *filp,
  *
  * Frees any pages and buffers associated with the given entry.
  */
-static void DRM(cleanup_buf_error)(drm_buf_entry_t *entry)
+static void DRM(cleanup_buf_error)(drm_device_t *dev, drm_buf_entry_t *entry)
 {
 	int i;
 
@@ -349,9 +337,8 @@ static void DRM(cleanup_buf_error)(drm_buf_entry_t *entry)
 			  sizeof(*entry->buflist),
 			  DRM_MEM_BUFS);
 
-#if __HAVE_DMA_FREELIST
-	   	DRM(freelist_destroy)(&entry->freelist);
-#endif
+		if (dev->fn_tbl.freelist_destroy)
+			dev->fn_tbl.freelist_destroy(&entry->freelist);
 
 		entry->buf_count = 0;
 	}
@@ -474,13 +461,13 @@ int DRM(addbufs_agp)( struct inode *inode, struct file *filp,
 		init_waitqueue_head( &buf->dma_wait );
 		buf->filp    = NULL;
 
-		buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
-		buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
+		buf->dev_priv_size = dev->dev_priv_size;
+		buf->dev_private = DRM(alloc)( buf->dev_priv_size,
 					       DRM_MEM_BUFS );
 		if(!buf->dev_private) {
 			/* Set count correctly so we free the proper amount. */
 			entry->buf_count = count;
-			DRM(cleanup_buf_error)(entry);
+			DRM(cleanup_buf_error)(dev,entry);
 			up( &dev->struct_sem );
 			atomic_dec( &dev->buf_alloc );
 			return -ENOMEM;
@@ -504,7 +491,7 @@ int DRM(addbufs_agp)( struct inode *inode, struct file *filp,
 				     DRM_MEM_BUFS );
 	if(!temp_buflist) {
 		/* Free the entry because it isn't valid */
-		DRM(cleanup_buf_error)(entry);
+		DRM(cleanup_buf_error)(dev,entry);
 		up( &dev->struct_sem );
 		atomic_dec( &dev->buf_alloc );
 		return -ENOMEM;
@@ -521,12 +508,14 @@ int DRM(addbufs_agp)( struct inode *inode, struct file *filp,
 	DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count );
 	DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count );
 
-#if __HAVE_DMA_FREELIST
-	DRM(freelist_create)( &entry->freelist, entry->buf_count );
-	for ( i = 0 ; i < entry->buf_count ; i++ ) {
-		DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] );
+	if (dev->fn_tbl.freelist_create)
+	{
+		dev->fn_tbl.freelist_create( &entry->freelist, entry->buf_count);
+		for ( i = 0 ; i < entry->buf_count ; i++ ) {
+			dev->fn_tbl.freelist_put( dev, &entry->freelist, &entry->buflist[i] );
+		}
 	}
-#endif
+
 	up( &dev->struct_sem );
 
 	request.count = entry->buf_count;
@@ -665,7 +654,7 @@ int DRM(addbufs_pci)( struct inode *inode, struct file *filp,
 			/* Set count correctly so we free the proper amount. */
 			entry->buf_count = count;
 			entry->seg_count = count;
-			DRM(cleanup_buf_error)(entry);
+			DRM(cleanup_buf_error)(dev,entry);
 			DRM(free)( temp_pagelist,
 				   (dma->page_count + (count << page_order))
 				   * sizeof(*dma->pagelist),
@@ -699,14 +688,14 @@ int DRM(addbufs_pci)( struct inode *inode, struct file *filp,
 			init_waitqueue_head( &buf->dma_wait );
 			buf->filp    = NULL;
 
-			buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
-			buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
+			buf->dev_priv_size = dev->dev_priv_size;
+			buf->dev_private = DRM(alloc)( dev->dev_priv_size,
 						       DRM_MEM_BUFS );
 			if(!buf->dev_private) {
 				/* Set count correctly so we free the proper amount. */
 				entry->buf_count = count;
 				entry->seg_count = count;
-				DRM(cleanup_buf_error)(entry);
+				DRM(cleanup_buf_error)(dev,entry);
 				DRM(free)( temp_pagelist,
 					   (dma->page_count + (count << page_order))
 					   * sizeof(*dma->pagelist),
@@ -730,7 +719,7 @@ int DRM(addbufs_pci)( struct inode *inode, struct file *filp,
 				     DRM_MEM_BUFS );
 	if (!temp_buflist) {
 		/* Free the entry because it isn't valid */
-		DRM(cleanup_buf_error)(entry);
+		DRM(cleanup_buf_error)(dev,entry);
 		DRM(free)( temp_pagelist,
 			   (dma->page_count + (count << page_order))
 			   * sizeof(*dma->pagelist),
@@ -760,12 +749,14 @@ int DRM(addbufs_pci)( struct inode *inode, struct file *filp,
 	dma->page_count += entry->seg_count << page_order;
 	dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order);
 
-#if __HAVE_DMA_FREELIST
-	DRM(freelist_create)( &entry->freelist, entry->buf_count );
-	for ( i = 0 ; i < entry->buf_count ; i++ ) {
-		DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] );
+	if (dev->fn_tbl.freelist_create)
+	{
+		dev->fn_tbl.freelist_create( &entry->freelist, entry->buf_count);
+		for ( i = 0 ; i < entry->buf_count ; i++ ) {
+			dev->fn_tbl.freelist_put( dev, &entry->freelist, &entry->buflist[i] );
+		}
 	}
-#endif
+
 	up( &dev->struct_sem );
 
 	request.count = entry->buf_count;
@@ -883,13 +874,13 @@ int DRM(addbufs_sg)( struct inode *inode, struct file *filp,
 		init_waitqueue_head( &buf->dma_wait );
 		buf->filp    = NULL;
 
-		buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
-		buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
+		buf->dev_priv_size = dev->dev_priv_size;
+		buf->dev_private = DRM(alloc)( dev->dev_priv_size,
 					       DRM_MEM_BUFS );
 		if(!buf->dev_private) {
 			/* Set count correctly so we free the proper amount. */
 			entry->buf_count = count;
-			DRM(cleanup_buf_error)(entry);
+			DRM(cleanup_buf_error)(dev,entry);
 			up( &dev->struct_sem );
 			atomic_dec( &dev->buf_alloc );
 			return -ENOMEM;
@@ -914,7 +905,7 @@ int DRM(addbufs_sg)( struct inode *inode, struct file *filp,
 				     DRM_MEM_BUFS );
 	if(!temp_buflist) {
 		/* Free the entry because it isn't valid */
-		DRM(cleanup_buf_error)(entry);
+		DRM(cleanup_buf_error)(dev,entry);
 		up( &dev->struct_sem );
 		atomic_dec( &dev->buf_alloc );
 		return -ENOMEM;
@@ -931,12 +922,14 @@ int DRM(addbufs_sg)( struct inode *inode, struct file *filp,
 	DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count );
 	DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count );
 
-#if __HAVE_DMA_FREELIST
-	DRM(freelist_create)( &entry->freelist, entry->buf_count );
-	for ( i = 0 ; i < entry->buf_count ; i++ ) {
-		DRM(freelist_put)( dev, &entry->freelist, &entry->buflist[i] );
+	if (dev->fn_tbl.freelist_create)
+	{
+		dev->fn_tbl.freelist_create( &entry->freelist, entry->buf_count);
+		for ( i = 0 ; i < entry->buf_count ; i++ ) {
+			dev->fn_tbl.freelist_put( dev, &entry->freelist, &entry->buflist[i] );
+		}
 	}
-#endif
+
 	up( &dev->struct_sem );
 
 	request.count = entry->buf_count;
@@ -1222,7 +1215,7 @@ int DRM(mapbufs)( struct inode *inode, struct file *filp,
 	if ( request.count >= dma->buf_count ) {
 		if ( (__HAVE_AGP && (dma->flags & _DRM_DMA_USE_AGP)) ||
 		     (__HAVE_SG && (dma->flags & _DRM_DMA_USE_SG)) ) {
-			drm_map_t *map = DRIVER_AGP_BUFFERS_MAP( dev );
+			drm_map_t *map = dev->agp_buffer_map;
 
 			if ( !map ) {
 				retcode = -EINVAL;
diff --git a/linux-core/drm_context.c b/linux-core/drm_context.c
index 0cf34549..dd280e53 100644
--- a/linux-core/drm_context.c
+++ b/linux-core/drm_context.c
@@ -420,10 +420,13 @@ int DRM(addctx)( struct inode *inode, struct file *filp,
 				/* Should this return -EBUSY instead? */
 		return -ENOMEM;
 	}
-#ifdef DRIVER_CTX_CTOR
+
 	if ( ctx.handle != DRM_KERNEL_CONTEXT )
-		DRIVER_CTX_CTOR(dev, ctx.handle);
-#endif
+	{
+		if (dev->fn_tbl.context_ctor)
+			dev->fn_tbl.context_ctor(dev, ctx.handle);
+	}
+
 	ctx_entry = DRM(alloc)( sizeof(*ctx_entry), DRM_MEM_CTXLIST );
 	if ( !ctx_entry ) {
 		DRM_DEBUG("out of memory\n");
@@ -555,9 +558,8 @@ int DRM(rmctx)( struct inode *inode, struct file *filp,
 		priv->remove_auth_on_close = 1;
 	}
 	if ( ctx.handle != DRM_KERNEL_CONTEXT ) {
-#ifdef DRIVER_CTX_DTOR
-		DRIVER_CTX_DTOR(dev, ctx.handle);
-#endif
+		if (dev->fn_tbl.context_ctor)
+			dev->fn_tbl.context_ctor(dev, ctx.handle);
 		DRM(ctxbitmap_free)( dev, ctx.handle );
 	}
 
diff --git a/linux-core/drm_dma.c b/linux-core/drm_dma.c
index 04467342..811d768d 100644
--- a/linux-core/drm_dma.c
+++ b/linux-core/drm_dma.c
@@ -117,9 +117,9 @@ void DRM(dma_takedown)(drm_device_t *dev)
 				  dma->bufs[i].buf_count *
 				  sizeof(*dma->bufs[0].buflist),
 				  DRM_MEM_BUFS);
-#if __HAVE_DMA_FREELIST
-		   	DRM(freelist_destroy)(&dma->bufs[i].freelist);
-#endif
+
+			if (dev->fn_tbl.freelist_destroy)
+			  dev->fn_tbl.freelist_destroy(&dma->bufs[i].freelist);
 		}
 	}
 
@@ -159,16 +159,13 @@ void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf)
 	if ( __HAVE_DMA_WAITQUEUE && waitqueue_active(&buf->dma_wait)) {
 		wake_up_interruptible(&buf->dma_wait);
 	}
-#if __HAVE_DMA_FREELIST
-	else {
-		drm_device_dma_t *dma = dev->dma;
-				/* If processes are waiting, the last one
-				   to wake will put the buffer on the free
-				   list.  If no processes are waiting, we
-				   put the buffer on the freelist here. */
-		DRM(freelist_put)(dev, &dma->bufs[buf->order].freelist, buf);
-	}
-#endif
+	/* If processes are waiting, the last one
+	   to wake will put the buffer on the free
+	   list.  If no processes are waiting, we
+	   put the buffer on the freelist here. */
+	else if (dev->fn_tbl.freelist_put) 
+		dev->fn_tbl.freelist_put(dev, &dev->dma->bufs[buf->order].freelist, buf);
+
 }
 
 #if !__HAVE_DMA_RECLAIM
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index b841427d..744fd14c 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -67,82 +67,16 @@
 #ifndef __HAVE_MULTIPLE_DMA_QUEUES
 #define __HAVE_MULTIPLE_DMA_QUEUES	0
 #endif
-#ifndef __HAVE_DMA_SCHEDULE
-#define __HAVE_DMA_SCHEDULE		0
-#endif
-#ifndef __HAVE_DMA_FLUSH
-#define __HAVE_DMA_FLUSH		0
-#endif
-#ifndef __HAVE_DMA_READY
-#define __HAVE_DMA_READY		0
-#endif
-#ifndef __HAVE_DMA_QUIESCENT
-#define __HAVE_DMA_QUIESCENT		0
-#endif
-#ifndef __HAVE_RELEASE
-#define __HAVE_RELEASE			0
-#endif
 #ifndef __HAVE_COUNTERS
 #define __HAVE_COUNTERS			0
 #endif
 #ifndef __HAVE_SG
 #define __HAVE_SG			0
 #endif
-/* __HAVE_KERNEL_CTX_SWITCH isn't used by any of the drm modules in
- * the DRI cvs tree, but it is required by the kernel tree's sparc
- * driver.
- */
-#ifndef __HAVE_KERNEL_CTX_SWITCH
-#define __HAVE_KERNEL_CTX_SWITCH	0
-#endif
-#ifndef __HAVE_DRIVER_FOPS_READ
-#define __HAVE_DRIVER_FOPS_READ		0
-#endif
-#ifndef __HAVE_DRIVER_FOPS_POLL
-#define __HAVE_DRIVER_FOPS_POLL		0
-#endif
 
-#ifndef DRIVER_PREINIT
-#define DRIVER_PREINIT(dev, flags) 0
-#endif
-#ifndef DRIVER_POSTINIT
-#define DRIVER_POSTINIT(dev, flags) 0
-#endif
-#ifndef DRIVER_PRERELEASE
-#define DRIVER_PRERELEASE()
-#endif
-#ifndef DRIVER_PRETAKEDOWN
-#define DRIVER_PRETAKEDOWN(dev)
-#endif
-#ifndef DRIVER_POSTCLEANUP
-#define DRIVER_POSTCLEANUP(dev)
-#endif
-#ifndef DRIVER_PRESETUP
-#define DRIVER_PRESETUP()
-#endif
-#ifndef DRIVER_POSTSETUP
-#define DRIVER_POSTSETUP()
-#endif
 #ifndef DRIVER_IOCTLS
 #define DRIVER_IOCTLS
 #endif
-#ifndef DRIVER_OPEN_HELPER
-#define DRIVER_OPEN_HELPER( priv, dev )
-#endif
-#ifndef DRIVER_FOPS
-#define DRIVER_FOPS				\
-struct file_operations	DRM(fops) = {	\
-	.owner   = THIS_MODULE,			\
-	.open	 = DRM(open),			\
-	.flush	 = DRM(flush),			\
-	.release = DRM(release),		\
-	.ioctl	 = DRM(ioctl),			\
-	.mmap	 = DRM(mmap),			\
-	.fasync  = DRM(fasync),			\
-	.poll	 = DRM(poll),			\
-	.read	 = DRM(read),			\
-}
-#endif
 
 static void __exit drm_cleanup( drm_device_t *dev );
 
@@ -180,10 +114,20 @@ drm_device_t            DRM(device)[MAX_DEVICES];
 int DRM(numdevs) = 0;
 int DRM(fb_loaded) = 0;
 
-DRIVER_FOPS;
+struct file_operations	DRM(fops) = {
+	.owner   = THIS_MODULE,
+	.open	 = DRM(open),
+	.flush	 = DRM(flush),
+	.release = DRM(release),
+	.ioctl	 = DRM(ioctl),
+	.mmap	 = DRM(mmap),
+	.fasync  = DRM(fasync),
+	.poll	 = DRM(poll),
+	.read	 = DRM(read),
+};
 
 /** Ioctl table */
-static drm_ioctl_desc_t		  DRM(ioctls)[] = {
+drm_ioctl_desc_t		  DRM(ioctls)[] = {
 	[DRM_IOCTL_NR(DRM_IOCTL_VERSION)]       = { DRM(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 },
@@ -222,12 +166,7 @@ static drm_ioctl_desc_t		  DRM(ioctls)[] = {
 	[DRM_IOCTL_NR(DRM_IOCTL_LOCK)]	        = { DRM(lock),        1, 0 },
 	[DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)]        = { DRM(unlock),      1, 0 },
 
-#if __HAVE_DMA_FLUSH
-	/* Gamma only, really */
-	[DRM_IOCTL_NR(DRM_IOCTL_FINISH)]        = { DRM(finish),      1, 0 },
-#else
 	[DRM_IOCTL_NR(DRM_IOCTL_FINISH)]        = { DRM(noop),      1, 0 },
-#endif
 
 #if __HAVE_DMA
 	[DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)]      = { DRM(addbufs),     1, 1 },
@@ -279,7 +218,9 @@ static int DRM(setup)( drm_device_t *dev )
 {
 	int i;
 
-	DRIVER_PRESETUP();
+	if (dev->fn_tbl.presetup)
+		dev->fn_tbl.presetup(dev);
+
 	atomic_set( &dev->ioctl_count, 0 );
 	atomic_set( &dev->vma_count, 0 );
 	dev->buf_use = 0;
@@ -325,9 +266,6 @@ static int DRM(setup)( drm_device_t *dev )
 #ifdef __HAVE_COUNTER14
 	dev->types[14] = __HAVE_COUNTER14;
 #endif
-#ifdef __HAVE_COUNTER15
-	dev->types[14] = __HAVE_COUNTER14;
-#endif
 
 	for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ )
 		atomic_set( &dev->counts[i], 0 );
@@ -385,7 +323,9 @@ static int DRM(setup)( drm_device_t *dev )
 	 * drm_select_queue fails between the time the interrupt is
 	 * initialized and the time the queues are initialized.
 	 */
-	DRIVER_POSTSETUP();
+	if (dev->fn_tbl.postsetup)
+		dev->fn_tbl.postsetup(dev);
+
 	return 0;
 }
 
@@ -410,7 +350,8 @@ static int DRM(takedown)( drm_device_t *dev )
 
 	DRM_DEBUG( "\n" );
 
-	DRIVER_PRETAKEDOWN(dev);
+	if (dev->fn_tbl.pretakedown)
+		dev->fn_tbl.pretakedown(dev);
 #if __HAVE_IRQ
 	if ( dev->irq_enabled ) DRM(irq_uninstall)( dev );
 #endif
@@ -523,9 +464,9 @@ static int DRM(takedown)( drm_device_t *dev )
 #if __HAVE_DMA_QUEUE || __HAVE_MULTIPLE_DMA_QUEUES
 	if ( dev->queuelist ) {
 		for ( i = 0 ; i < dev->queue_count ; i++ ) {
-#if __HAVE_DMA_WAITLIST
-			DRM(waitlist_destroy)( &dev->queuelist[i]->waitlist );
-#endif
+			if (dev->fn_tbl.waitlist_destroy)
+				dev->fn_tbl.waitlist_destroy( &dev->queuelist[i]->waitlist);
+
 			if ( dev->queuelist[i] ) {
 				DRM(free)( dev->queuelist[i],
 					  sizeof(*dev->queuelist[0]),
@@ -596,8 +537,13 @@ static int drm_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	dev->pci_func = PCI_FUNC(pdev->devfn);
 	dev->irq = pdev->irq;
 
-	if ((retcode = DRIVER_PREINIT(dev, ent->driver_data)))
-	  goto error_out_unreg;
+	/* dev_priv_size can be changed by a driver in driver_register_fns */
+	dev->dev_priv_size = sizeof(u32);
+	DRM(driver_register_fns)(dev);
+
+	if (dev->fn_tbl.preinit)
+		if ((retcode = dev->fn_tbl.preinit(dev, ent->driver_data)))
+			goto error_out_unreg;
 
 #if __REALLY_HAVE_AGP
 	dev->agp = DRM(agp_init)();
@@ -643,9 +589,11 @@ static int drm_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		dev->minor,
 		pci_pretty_name(pdev)
 		);
+
 	/* drivers add secondary heads here if needed */
-	if ((retcode = DRIVER_POSTINIT(dev, ent->driver_data)))
-		goto error_out_unreg;
+	if (dev->fn_tbl.postinit)
+		if ((retcode = dev->fn_tbl.postinit(dev, ent->driver_data)))
+			goto error_out_unreg;
 
 	return 0;
 
@@ -765,7 +713,8 @@ static void __exit drm_cleanup( drm_device_t *dev )
 		dev->agp = NULL;
 	}
 #endif
-	DRIVER_POSTCLEANUP(dev);
+	if (dev->fn_tbl.postcleanup)
+		dev->fn_tbl.postcleanup(dev);
 }
 
 static void __exit drm_exit (void)
@@ -901,7 +850,8 @@ int DRM(release)( struct inode *inode, struct file *filp )
 
 	DRM_DEBUG( "open_count = %d\n", dev->open_count );
 
-	DRIVER_PRERELEASE();
+	if (dev->fn_tbl.prerelease)
+		dev->fn_tbl.prerelease(dev, filp);
 
 	/* ========================================================
 	 * Begin inline drm_release
@@ -916,9 +866,10 @@ int DRM(release)( struct inode *inode, struct file *filp )
 		DRM_DEBUG( "File %p released, freeing lock for context %d\n",
 			filp,
 			_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) );
-#if __HAVE_RELEASE
-		DRIVER_RELEASE();
-#endif
+		
+		if (dev->fn_tbl.release)
+			dev->fn_tbl.release(dev, filp);
+
 		DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
 				_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) );
 
@@ -927,8 +878,7 @@ int DRM(release)( struct inode *inode, struct file *filp )
                                    processed via a callback to the X
                                    server. */
 	}
-#if __HAVE_RELEASE
-	else if ( priv->lock_count && dev->lock.hw_lock ) {
+	else if ( dev->fn_tbl.release && priv->lock_count && dev->lock.hw_lock ) {
 		/* The lock is required to reclaim buffers */
 		DECLARE_WAITQUEUE( entry, current );
 
@@ -957,12 +907,14 @@ int DRM(release)( struct inode *inode, struct file *filp )
 		current->state = TASK_RUNNING;
 		remove_wait_queue( &dev->lock.lock_queue, &entry );
 		if( !retcode ) {
-			DRIVER_RELEASE();
+			if (dev->fn_tbl.release)
+				dev->fn_tbl.release(dev, filp);
 			DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
 					DRM_KERNEL_CONTEXT );
 		}
 	}
-#elif __HAVE_DMA
+	
+#if __HAVE_DMA
 	DRM(reclaim_buffers)( filp );
 #endif
 
@@ -975,9 +927,8 @@ int DRM(release)( struct inode *inode, struct file *filp )
 		list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) {
 			if ( pos->tag == priv &&
 			     pos->handle != DRM_KERNEL_CONTEXT ) {
-#ifdef DRIVER_CTX_DTOR
-				DRIVER_CTX_DTOR( dev, pos->handle);
-#endif
+				if (dev->fn_tbl.context_dtor)
+					dev->fn_tbl.context_dtor(dev, pos->handle);
 #if __HAVE_CTX_BITMAP
 				DRM(ctxbitmap_free)( dev, pos->handle );
 #endif
@@ -1134,9 +1085,8 @@ int DRM(lock)( struct inode *inode, struct file *filp,
 	q = dev->queuelist[lock.context];
 #endif
 
-#if __HAVE_DMA_FLUSH
-	ret = DRM(flush_block_and_flush)( dev, lock.context, lock.flags );
-#endif
+	if (dev->fn_tbl.dma_flush_block_and_flush)
+		ret = dev->fn_tbl.dma_flush_block_and_flush(dev, lock.context, lock.flags);
         if ( !ret ) {
                 add_wait_queue( &dev->lock.lock_queue, &entry );
                 for (;;) {
@@ -1165,9 +1115,8 @@ int DRM(lock)( struct inode *inode, struct file *filp,
                 remove_wait_queue( &dev->lock.lock_queue, &entry );
         }
 
-#if __HAVE_DMA_FLUSH
-	DRM(flush_unblock)( dev, lock.context, lock.flags ); /* cleanup phase */
-#endif
+	if (dev->fn_tbl.dma_flush_unblock)
+		dev->fn_tbl.dma_flush_unblock(dev, lock.context, lock.flags);
 
         if ( !ret ) {
 		sigemptyset( &dev->sigmask );
@@ -1180,26 +1129,17 @@ int DRM(lock)( struct inode *inode, struct file *filp,
 		block_all_signals( DRM(notifier),
 				   &dev->sigdata, &dev->sigmask );
 
-#if __HAVE_DMA_READY
-                if ( lock.flags & _DRM_LOCK_READY ) {
-			DRIVER_DMA_READY();
-		}
-#endif
-#if __HAVE_DMA_QUIESCENT
-                if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
-			DRIVER_DMA_QUIESCENT();
-		}
-#endif
-		/* __HAVE_KERNEL_CTX_SWITCH isn't used by any of the
-		 * drm modules in the DRI cvs tree, but it is required
-		 * by the Sparc driver.
-		 */
-#if __HAVE_KERNEL_CTX_SWITCH
-		if ( dev->last_context != lock.context ) {
-			DRM(context_switch)(dev, dev->last_context,
-					    lock.context);
+		if (dev->fn_tbl.dma_ready && (lock.flags & _DRM_LOCK_READY))
+			dev->fn_tbl.dma_ready(dev);
+			    
+		if ( dev->fn_tbl.dma_quiescent && (lock.flags & _DRM_LOCK_QUIESCENT ))
+			return dev->fn_tbl.dma_quiescent(dev);
+
+
+		if ( dev->fn_tbl.kernel_context_switch && dev->last_context != lock.context ) {
+			dev->fn_tbl.kernel_context_switch(dev, dev->last_context,
+							  lock.context);
 		}
-#endif
         }
 
         DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" );
@@ -1236,40 +1176,21 @@ int DRM(unlock)( struct inode *inode, struct file *filp,
 
 	atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
 
-	/* __HAVE_KERNEL_CTX_SWITCH isn't used by any of the drm
-	 * modules in the DRI cvs tree, but it is required by the
-	 * Sparc driver.
-	 */
-#if __HAVE_KERNEL_CTX_SWITCH
-	/* We no longer really hold it, but if we are the next
-	 * agent to request it then we should just be able to
-	 * take it immediately and not eat the ioctl.
-	 */
-	dev->lock.filp = 0;
+	if (dev->fn_tbl.kernel_context_switch_unlock)
+		dev->fn_tbl.kernel_context_switch_unlock(dev);
+	else
 	{
-		__volatile__ unsigned int *plock = &dev->lock.hw_lock->lock;
-		unsigned int old, new, prev, ctx;
-
-		ctx = lock.context;
-		do {
-			old  = *plock;
-			new  = ctx;
-			prev = cmpxchg(plock, old, new);
-		} while (prev != old);
-	}
-	wake_up_interruptible(&dev->lock.lock_queue);
-#else
-	DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
-			    DRM_KERNEL_CONTEXT );
-#if __HAVE_DMA_SCHEDULE
-	DRM(dma_schedule)( dev, 1 );
-#endif
+		DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
+				    DRM_KERNEL_CONTEXT );
+
+		if (dev->fn_tbl.dma_schedule)
+		  dev->fn_tbl.dma_schedule(dev, 1);
 
-	if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
-			     DRM_KERNEL_CONTEXT ) ) {
-		DRM_ERROR( "\n" );
+		if ( DRM(lock_free)( dev, &dev->lock.hw_lock->lock,
+				     DRM_KERNEL_CONTEXT ) ) {
+			DRM_ERROR( "\n" );
+		}
 	}
-#endif /* !__HAVE_KERNEL_CTX_SWITCH */
 
 	unblock_all_signals();
 	return 0;
diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c
index 869736a4..d21f7898 100644
--- a/linux-core/drm_fops.c
+++ b/linux-core/drm_fops.c
@@ -73,7 +73,8 @@ int DRM(open_helper)(struct inode *inode, struct file *filp, drm_device_t *dev)
 	priv->authenticated = capable(CAP_SYS_ADMIN);
 	priv->lock_count    = 0;
 
-	DRIVER_OPEN_HELPER( priv, dev );
+	if (dev->fn_tbl.open_helper)
+	  dev->fn_tbl.open_helper(dev, priv);
 
 	down(&dev->struct_sem);
 	if (!dev->file_last) {
@@ -131,19 +132,15 @@ int DRM(fasync)(int fd, struct file *filp, int on)
 	return 0;
 }
 
-#if !__HAVE_DRIVER_FOPS_POLL
 /** No-op. */
 unsigned int DRM(poll)(struct file *filp, struct poll_table_struct *wait)
 {
 	return 0;
 }
-#endif
 
 
-#if !__HAVE_DRIVER_FOPS_READ
 /** No-op. */
 ssize_t DRM(read)(struct file *filp, char __user *buf, size_t count, loff_t *off)
 {
 	return 0;
 }
-#endif
diff --git a/linux-core/drm_memory.h b/linux-core/drm_memory.h
index c6ea1fcc..d1c4b23a 100644
--- a/linux-core/drm_memory.h
+++ b/linux-core/drm_memory.h
@@ -199,6 +199,7 @@ static inline void drm_ioremapfree(void *pt, unsigned long size, drm_device_t *d
 	iounmap(pt);
 }
 
+
 #if DEBUG_MEMORY
 #include "drm_memory_debug.h"
 #else
diff --git a/linux-core/ffb.h b/linux-core/ffb.h
index af35783b..3691c865 100644
--- a/linux-core/ffb.h
+++ b/linux-core/ffb.h
@@ -8,9 +8,5 @@
  */
 #define DRM(x) ffb_##x
 
-/* General customization:
- */
-#define __HAVE_KERNEL_CTX_SWITCH	1
-#define __HAVE_RELEASE			1
 #endif
 
diff --git a/linux-core/ffb_context.c b/linux-core/ffb_context.c
index ffc9b090..add2a743 100644
--- a/linux-core/ffb_context.c
+++ b/linux-core/ffb_context.c
@@ -537,3 +537,63 @@ int DRM(rmctx)(struct inode *inode, struct file *filp, unsigned int cmd,
 	}
 	return 0;
 }
+
+static void ffb_driver_release(drm_device_t *dev)
+{
+	ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private;
+	int context = _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock);
+	int idx;
+
+	idx = context - 1;
+	if (fpriv &&
+	    context != DRM_KERNEL_CONTEXT &&
+	    fpriv->hw_state[idx] != NULL) {
+		kfree(fpriv->hw_state[idx]);
+		fpriv->hw_state[idx] = NULL;
+	}	
+}
+
+static int ffb_driver_presetup(drm_device_t *dev)
+{
+	int ret;
+	ret = ffb_presetup(dev);
+	if (_ret != 0) return ret;
+}
+
+static void ffb_driver_pretakedown(drm_device_t *dev)
+{
+	if (dev->dev_private) kfree(dev->dev_private);
+}
+
+static void ffb_driver_postcleanup(drm_device_t *dev)
+{
+	if (ffb_position != NULL) kfree(ffb_position);
+}
+
+static int ffb_driver_kernel_context_switch_unlock(struct drm_device *dev)
+{
+	dev->lock.filp = 0;
+	{
+		__volatile__ unsigned int *plock = &dev->lock.hw_lock->lock;
+		unsigned int old, new, prev, ctx;
+		
+		ctx = lock.context;
+		do {
+			old  = *plock;
+			new  = ctx;
+			prev = cmpxchg(plock, old, new);
+		} while (prev != old);
+	}
+	wake_up_interruptible(&dev->lock.lock_queue);
+}
+
+static void ffb_driver_register_fns(drm_device_t *dev)
+{
+	DRM(fops).get_unmapped_area = ffb_get_unmapped_area;
+	dev->fn_tbl.release = ffb_driver_release;
+	dev->fn_tbl.presetup = ffb_driver_presetup;
+	dev->fn_tbl.pretakedown = ffb_driver_pretakedown;
+	dev->fn_tbl.postcleanup = ffb_driver_postcleanup;
+	dev->fn_tbl.kernel_context_switch = ffb_context_switch;
+	dev->fn_tbl.kernel_context_switch_unlock = ffb_driver_kernel_context_switch_unlock;
+}
diff --git a/linux-core/ffb_drv.c b/linux-core/ffb_drv.c
index d75226c2..fe0d129b 100644
--- a/linux-core/ffb_drv.c
+++ b/linux-core/ffb_drv.c
@@ -26,53 +26,7 @@
 #define DRIVER_MINOR		0
 #define DRIVER_PATCHLEVEL	1
 
-#define DRIVER_FOPS						\
-static struct file_operations	DRM(fops) = {			\
-	.owner   		= THIS_MODULE,			\
-	.open	 		= DRM(open),			\
-	.flush	 		= DRM(flush),			\
-	.release 		= DRM(release),			\
-	.ioctl	 		= DRM(ioctl),			\
-	.mmap	 		= DRM(mmap),			\
-	.read	 		= DRM(read),			\
-	.fasync	 		= DRM(fasync),			\
-	.poll	 		= DRM(poll),			\
-	.get_unmapped_area	= ffb_get_unmapped_area,		\
-}
-
 #define DRIVER_COUNT_CARDS()	ffb_count_card_instances()
-/* Allocate private structure and fill it */
-#define DRIVER_PRESETUP()	do {		\
-	int _ret;				\
-	_ret = ffb_presetup(dev);		\
-	if (_ret != 0) return _ret;		\
-} while(0)
-
-/* Free private structure */
-#define DRIVER_PRETAKEDOWN()	do {				\
-	if (dev->dev_private) kfree(dev->dev_private);		\
-} while(0)
-
-#define DRIVER_POSTCLEANUP()	do {				\
-	if (ffb_position != NULL) kfree(ffb_position);		\
-} while(0)
-
-/* We have to free up the rogue hw context state holding error or 
- * else we will leak it.
- */
-#define DRIVER_RELEASE()	do {					\
-	ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private;	\
-	int context = _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock);	\
-	int idx;							\
-									\
-	idx = context - 1;						\
-	if (fpriv &&							\
-	    context != DRM_KERNEL_CONTEXT &&				\
-	    fpriv->hw_state[idx] != NULL) {				\
-		kfree(fpriv->hw_state[idx]);				\
-		fpriv->hw_state[idx] = NULL;				\
-	}								\
-} while(0)
 
 /* For mmap customization */
 #define DRIVER_GET_MAP_OFS()	(map->offset & 0xffffffff)
@@ -275,11 +229,11 @@ static drm_map_t *ffb_find_map(struct file *filp, unsigned long off)
 	return NULL;
 }
 
-static unsigned long ffb_get_unmapped_area(struct file *filp,
-					   unsigned long hint,
-					   unsigned long len,
-					   unsigned long pgoff,
-					   unsigned long flags)
+unsigned long ffb_get_unmapped_area(struct file *filp,
+				    unsigned long hint,
+				    unsigned long len,
+				    unsigned long pgoff,
+				    unsigned long flags)
 {
 	drm_map_t *map = ffb_find_map(filp, pgoff << PAGE_SHIFT);
 	unsigned long addr = -ENOMEM;
diff --git a/linux-core/ffb_drv.h b/linux-core/ffb_drv.h
index c0eec5a1..3948c08a 100644
--- a/linux-core/ffb_drv.h
+++ b/linux-core/ffb_drv.h
@@ -274,3 +274,10 @@ typedef struct ffb_dev_priv {
 	/* Context table. */
 	struct ffb_hw_context	*hw_state[FFB_MAX_CTXS];
 } ffb_dev_priv_t;
+
+extern struct file_operations DRM(fops);
+extern unsigned long ffb_get_unmapped_area(struct file *filp,
+					   unsigned long hint,
+					   unsigned long len,
+					   unsigned long pgoff,
+					   unsigned long flags);
diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c
index c58a8851..d558988f 100644
--- a/linux-core/i810_dma.c
+++ b/linux-core/i810_dma.c
@@ -371,15 +371,15 @@ static int i810_dma_initialize(drm_device_t *dev,
 	   	DRM_ERROR("can not find sarea!\n");
 	   	return -EINVAL;
 	}
-	DRM_FIND_MAP( dev_priv->mmio_map, init->mmio_offset );
+	dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset);
 	if (!dev_priv->mmio_map) {
 		dev->dev_private = (void *)dev_priv;
 	   	i810_dma_cleanup(dev);
 	   	DRM_ERROR("can not find mmio map!\n");
 	   	return -EINVAL;
 	}
-	DRM_FIND_MAP( dev_priv->buffer_map, init->buffers_offset );
-	if (!dev_priv->buffer_map) {
+	dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
+	if (!dev->agp_buffer_map) {
 		dev->dev_private = (void *)dev_priv;
 	   	i810_dma_cleanup(dev);
 	   	DRM_ERROR("can not find dma buffer map!\n");
@@ -1394,3 +1394,28 @@ int i810_flip_bufs(struct inode *inode, struct file *filp,
 	i810_dma_dispatch_flip( dev );
    	return 0;
 }
+
+static void i810_driver_pretakedown(drm_device_t *dev)
+{
+	i810_dma_cleanup( dev );
+}
+
+static void i810_driver_release(drm_device_t *dev, struct file *filp)
+{
+	i810_reclaim_buffers(filp);
+}
+
+static int i810_driver_dma_quiescent(drm_device_t *dev)
+{
+	i810_dma_quiescent( dev );
+	return 0;
+}
+
+void i810_driver_register_fns(drm_device_t *dev)
+{
+	dev->dev_priv_size = sizeof(drm_i810_buf_priv_t);
+	dev->fn_tbl.pretakedown = i810_driver_pretakedown;
+	dev->fn_tbl.release = i810_driver_release;
+	dev->fn_tbl.dma_quiescent = i810_driver_dma_quiescent;
+}
+
diff --git a/linux-core/i810_drv.h b/linux-core/i810_drv.h
index 736c20d7..67c5c88b 100644
--- a/linux-core/i810_drv.h
+++ b/linux-core/i810_drv.h
@@ -53,7 +53,6 @@ typedef struct _drm_i810_ring_buffer{
 
 typedef struct drm_i810_private {
 	drm_map_t *sarea_map;
-	drm_map_t *buffer_map;
 	drm_map_t *mmio_map;
 
 	drm_i810_sarea_t *sarea_priv;
diff --git a/linux-core/i830_dma.c b/linux-core/i830_dma.c
index 55bf1b72..1a8c6336 100644
--- a/linux-core/i830_dma.c
+++ b/linux-core/i830_dma.c
@@ -378,15 +378,15 @@ static int i830_dma_initialize(drm_device_t *dev,
 		DRM_ERROR("can not find sarea!\n");
 		return -EINVAL;
 	}
-	DRM_FIND_MAP( dev_priv->mmio_map, init->mmio_offset );
+	dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset);
 	if(!dev_priv->mmio_map) {
 		dev->dev_private = (void *)dev_priv;
 		i830_dma_cleanup(dev);
 		DRM_ERROR("can not find mmio map!\n");
 		return -EINVAL;
 	}
-	DRM_FIND_MAP( dev_priv->buffer_map, init->buffers_offset );
-	if(!dev_priv->buffer_map) {
+	dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
+	if(!dev->agp_buffer_map) {
 		dev->dev_private = (void *)dev_priv;
 		i830_dma_cleanup(dev);
 		DRM_ERROR("can not find dma buffer map!\n");
@@ -1589,3 +1589,29 @@ int i830_setparam( struct inode *inode, struct file *filp, unsigned int cmd,
 
 	return 0;
 }
+
+
+static void i830_driver_pretakedown(drm_device_t *dev)
+{
+	i830_dma_cleanup( dev );
+}
+
+static void i830_driver_release(drm_device_t *dev, struct file *filp)
+{
+	i830_reclaim_buffers(filp);
+}
+
+static int i830_driver_dma_quiescent(drm_device_t *dev)
+{
+	i830_dma_quiescent( dev );
+	return 0;
+}
+
+void i830_driver_register_fns(drm_device_t *dev)
+{
+	dev->dev_priv_size = sizeof(drm_i830_buf_priv_t);
+	dev->fn_tbl.pretakedown = i830_driver_pretakedown;
+	dev->fn_tbl.release = i830_driver_release;
+	dev->fn_tbl.dma_quiescent = i830_driver_dma_quiescent;
+}
+
diff --git a/linux-core/i830_drv.h b/linux-core/i830_drv.h
index c6d805fc..ad4de4c3 100644
--- a/linux-core/i830_drv.h
+++ b/linux-core/i830_drv.h
@@ -53,7 +53,6 @@ typedef struct _drm_i830_ring_buffer{
 
 typedef struct drm_i830_private {
 	drm_map_t *sarea_map;
-	drm_map_t *buffer_map;
 	drm_map_t *mmio_map;
 
 	drm_i830_sarea_t *sarea_priv;
diff --git a/linux-core/savage_dma.c b/linux-core/savage_dma.c
index 87f8bbba..34410116 100644
--- a/linux-core/savage_dma.c
+++ b/linux-core/savage_dma.c
@@ -35,4 +35,6 @@
 #define SAVAGE_DEFAULT_USEC_TIMEOUT	10000
 #define SAVAGE_FREELIST_DEBUG		0
 
-
+void DRM(driver_register_fns)(drm_device_t *dev)
+{
+}
diff --git a/linux-core/sis_drv.c b/linux-core/sis_drv.c
index 3dd075d3..fce5470b 100644
--- a/linux-core/sis_drv.c
+++ b/linux-core/sis_drv.c
@@ -46,3 +46,5 @@
 #include "drm_proc.h"
 #include "drm_vm.h"
 #include "drm_stub.h"
+
+
diff --git a/linux-core/tdfx_drv.c b/linux-core/tdfx_drv.c
index fafa1f92..f3fcdf84 100644
--- a/linux-core/tdfx_drv.c
+++ b/linux-core/tdfx_drv.c
@@ -49,3 +49,8 @@
 #include "drm_proc.h"
 #include "drm_vm.h"
 #include "drm_stub.h"
+
+void DRM(driver_register_fns)(drm_device_t *dev)
+{
+}
+