Merged drmcommand-0-0-1

2 files changed, 1146 insertions, 1 deletions

diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 1d26b6e6..9cc83a27 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -434,7 +434,7 @@ static void drmCopyVersion(drmVersionPtr d, const drm_version_t *s)
     d->desc               = drmStrdup(s->desc);
 }
 
-/* drmVersion obtains the version information via an ioctl.  Similar
+/* drmGet Version obtains the driver version information via an ioctl.  Similar
  * information is available via /proc/dri. */
 
 drmVersionPtr drmGetVersion(int fd)
@@ -483,6 +483,26 @@ drmVersionPtr drmGetVersion(int fd)
     return retval;
 }
 
+/* drmGetLibVersion set version information for the drm user space library.
+ * this version number is driver indepedent */
+
+drmVersionPtr drmGetLibVersion(int fd)
+{
+    drm_version_t *version = drmMalloc(sizeof(*version));
+
+    /* Version history:
+     *   revision 1.0.x = original DRM interface with no drmGetLibVersion
+     *                    entry point and many drm<Device> extensions
+     *   revision 1.1.x = added drmCommand entry points for device extensions
+     *                    added drmGetLibVersion to identify libdrm.a version
+     */
+    version->version_major      = 1;
+    version->version_minor      = 1;
+    version->version_patchlevel = 0;
+
+    return (drmVersionPtr)version;
+}
+
 void drmFreeBusid(const char *busid)
 {
     drmFree((void *)busid);
@@ -1343,6 +1363,58 @@ int drmGetStats(int fd, drmStatsT *stats)
     return 0;
 }
 
+int drmCommandNone(int fd, unsigned long drmCommandIndex)
+{
+    void *data = NULL; /* dummy */
+    unsigned long request;
+
+    request = DRM_IO( DRM_COMMAND_BASE + drmCommandIndex);
+
+    if (ioctl(fd, request, data)) {
+	return -errno;
+    }
+    return 0;
+}
+
+int drmCommandRead(int fd, unsigned long drmCommandIndex,
+                   void *data, unsigned long size )
+{
+    unsigned long request;
+
+    request = DRM_IOR( DRM_COMMAND_BASE + drmCommandIndex, size);
+
+    if (ioctl(fd, request, data)) {
+	return -errno;
+    }
+    return 0;
+}
+
+int drmCommandWrite(int fd, unsigned long drmCommandIndex,
+                   void *data, unsigned long size )
+{
+    unsigned long request;
+
+    request = DRM_IOW( DRM_COMMAND_BASE + drmCommandIndex, size);
+
+    if (ioctl(fd, request, data)) {
+	return -errno;
+    }
+    return 0;
+}
+
+int drmCommandWriteRead(int fd, unsigned long drmCommandIndex,
+                   void *data, unsigned long size )
+{
+    unsigned long request;
+
+    request = DRM_IOWR( DRM_COMMAND_BASE + drmCommandIndex, size);
+
+    if (ioctl(fd, request, data)) {
+	return -errno;
+    }
+    return 0;
+}
+
 #if defined(XFree86Server) || defined(DRM_USE_MALLOC)
 static void drmSIGIOHandler(int interrupt, void *closure)
 {
diff --git a/libdrm/xf86drmCompat.c b/libdrm/xf86drmCompat.c
new file mode 100644
index 00000000..efe744ec
--- /dev/null
+++ b/libdrm/xf86drmCompat.c
@@ -0,0 +1,1073 @@
+/* xf86drmCompat.c -- User-level interface to old DRM device drivers
+ *
+ * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * 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.
+ *
+ * Backwards compatability modules broken out by:
+ *   Jens Owen <jens@tungstengraphics.com>
+ *
+ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/xf86drm.c,v 1.4 2001/08/27 17:40:59 dawes Exp $ */
+
+#ifdef XFree86Server
+# include "xf86.h"
+# include "xf86_OSproc.h"
+# include "xf86_ansic.h"
+# define _DRM_MALLOC xalloc
+# define _DRM_FREE   xfree
+# ifndef XFree86LOADER
+#  include <sys/mman.h>
+# endif
+#else
+# include <stdio.h>
+# include <stdlib.h>
+# include <unistd.h>
+# include <string.h>
+# include <ctype.h>
+# include <fcntl.h>
+# include <errno.h>
+# include <signal.h>
+# include <sys/types.h>
+# include <sys/ioctl.h>
+# include <sys/mman.h>
+# include <sys/time.h>
+# ifdef DRM_USE_MALLOC
+#  define _DRM_MALLOC malloc
+#  define _DRM_FREE   free
+extern int xf86InstallSIGIOHandler(int fd, void (*f)(int, void *), void *);
+extern int xf86RemoveSIGIOHandler(int fd);
+# else
+#  include <X11/Xlibint.h>
+#  define _DRM_MALLOC Xmalloc
+#  define _DRM_FREE   Xfree
+# endif
+#endif
+
+/* Not all systems have MAP_FAILED defined */
+#ifndef MAP_FAILED
+#define MAP_FAILED ((void *)-1)
+#endif
+
+#ifdef __linux__
+#include <sys/sysmacros.h>	/* for makedev() */
+#endif
+#include "xf86drm.h"
+#include "xf86drmCompat.h"
+#include "drm.h"
+#include "i810_drm.h"
+#include "mga_drm.h"
+#include "r128_drm.h"
+#include "radeon_drm.h"
+#include "sis_drm.h"
+#include "i830_drm.h"
+
+
+/* WARNING: Do not change, or add, anything to this file.  It is only provided
+ * for binary backwards compatability with the old driver specific DRM
+ * extensions used before XFree86 4.3.
+ */
+
+/* I810 */
+
+Bool drmI810CleanupDma(int driSubFD)
+{
+   drm_i810_init_t init;
+   
+   memset(&init, 0, sizeof(drm_i810_init_t));
+   init.func = I810_CLEANUP_DMA;
+   
+   if(ioctl(driSubFD, DRM_IOCTL_I810_INIT, &init)) {
+      return 0; /* FALSE */
+   }
+   
+   return 1; /* TRUE */
+}
+
+Bool drmI810InitDma(int driSubFD, drmCompatI810Init *info)
+{
+   drm_i810_init_t init;
+   
+   memset(&init, 0, sizeof(drm_i810_init_t));
+
+   init.func = I810_INIT_DMA;
+   init.mmio_offset = info->mmio_offset;
+   init.buffers_offset = info->buffers_offset;
+   init.ring_start = info->start;
+   init.ring_end = info->end;
+   init.ring_size = info->size;
+   init.sarea_priv_offset = info->sarea_off;
+   init.front_offset = info->front_offset;
+   init.back_offset = info->back_offset;
+   init.depth_offset = info->depth_offset;
+   init.overlay_offset = info->overlay_offset;
+   init.overlay_physical = info->overlay_physical;
+   init.w = info->w;
+   init.h = info->h;
+   init.pitch = info->pitch;
+   init.pitch_bits = info->pitch_bits;
+
+   if(ioctl(driSubFD, DRM_IOCTL_I810_INIT, &init)) {
+      return 0; /* FALSE */
+   }
+   return 1; /* TRUE */
+}
+
+/* Mga */
+
+#define MGA_IDLE_RETRY		2048
+
+int drmMGAInitDMA( int fd, drmCompatMGAInit *info )
+{
+   drm_mga_init_t init;
+
+   memset( &init, 0, sizeof(drm_mga_init_t) );
+
+   init.func			= MGA_INIT_DMA;
+
+   init.sarea_priv_offset	= info->sarea_priv_offset;
+   init.sgram			= info->sgram;
+   init.chipset			= info->chipset;
+   init.maccess			= info->maccess;
+
+   init.fb_cpp			= info->fb_cpp;
+   init.front_offset		= info->front_offset;
+   init.front_pitch		= info->front_pitch;
+   init.back_offset		= info->back_offset;
+   init.back_pitch		= info->back_pitch;
+
+   init.depth_cpp		= info->depth_cpp;
+   init.depth_offset		= info->depth_offset;
+   init.depth_pitch		= info->depth_pitch;
+
+   init.texture_offset[0]	= info->texture_offset[0];
+   init.texture_size[0]		= info->texture_size[0];
+   init.texture_offset[1]	= info->texture_offset[1];
+   init.texture_size[1]		= info->texture_size[1];
+
+   init.fb_offset		= info->fb_offset;
+   init.mmio_offset		= info->mmio_offset;
+   init.status_offset		= info->status_offset;
+   init.warp_offset		= info->warp_offset;
+   init.primary_offset		= info->primary_offset;
+   init.buffers_offset		= info->buffers_offset;
+
+   if ( ioctl( fd, DRM_IOCTL_MGA_INIT, &init ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmMGACleanupDMA( int fd )
+{
+   drm_mga_init_t init;
+
+   memset( &init, 0, sizeof(drm_mga_init_t) );
+
+   init.func = MGA_CLEANUP_DMA;
+
+   if ( ioctl( fd, DRM_IOCTL_MGA_INIT, &init ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmMGAFlushDMA( int fd, drmLockFlags flags )
+{
+   drm_lock_t lock;
+   int ret, i = 0;
+
+   memset( &lock, 0, sizeof(drm_lock_t) );
+
+   if ( flags & DRM_LOCK_QUIESCENT )	lock.flags |= _DRM_LOCK_QUIESCENT;
+   if ( flags & DRM_LOCK_FLUSH )	lock.flags |= _DRM_LOCK_FLUSH;
+   if ( flags & DRM_LOCK_FLUSH_ALL )	lock.flags |= _DRM_LOCK_FLUSH_ALL;
+
+   do {
+      ret = ioctl( fd, DRM_IOCTL_MGA_FLUSH, &lock );
+   } while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
+
+   if ( ret == 0 )
+      return 0;
+   if ( errno != EBUSY )
+      return -errno;
+
+   if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
+      /* Only keep trying if we need quiescence.
+       */
+      lock.flags &= ~(_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL);
+
+      do {
+	 ret = ioctl( fd, DRM_IOCTL_MGA_FLUSH, &lock );
+      } while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
+   }
+
+   if ( ret == 0 ) {
+      return 0;
+   } else {
+      return -errno;
+   }
+}
+
+int drmMGAEngineReset( int fd )
+{
+   if ( ioctl( fd, DRM_IOCTL_MGA_RESET, NULL ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmMGAFullScreen( int fd, int enable )
+{
+   return -EINVAL;
+}
+
+int drmMGASwapBuffers( int fd )
+{
+   int ret, i = 0;
+
+   do {
+      ret = ioctl( fd, DRM_IOCTL_MGA_SWAP, NULL );
+   } while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
+
+   if ( ret == 0 ) {
+      return 0;
+   } else {
+      return -errno;
+   }
+}
+
+int drmMGAClear( int fd, unsigned int flags,
+		 unsigned int clear_color, unsigned int clear_depth,
+		 unsigned int color_mask, unsigned int depth_mask )
+{
+   drm_mga_clear_t clear;
+   int ret, i = 0;
+
+   clear.flags = flags;
+   clear.clear_color = clear_color;
+   clear.clear_depth = clear_depth;
+   clear.color_mask = color_mask;
+   clear.depth_mask = depth_mask;
+
+   do {
+      ret = ioctl( fd, DRM_IOCTL_MGA_CLEAR, &clear );
+   } while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
+
+   if ( ret == 0 ) {
+      return 0;
+   } else {
+      return -errno;
+   }
+}
+
+int drmMGAFlushVertexBuffer( int fd, int index, int used, int discard )
+{
+   drm_mga_vertex_t vertex;
+
+   vertex.idx = index;
+   vertex.used = used;
+   vertex.discard = discard;
+
+   if ( ioctl( fd, DRM_IOCTL_MGA_VERTEX, &vertex ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmMGAFlushIndices( int fd, int index, int start, int end, int discard )
+{
+   drm_mga_indices_t indices;
+
+   indices.idx = index;
+   indices.start = start;
+   indices.end = end;
+   indices.discard = discard;
+
+   if ( ioctl( fd, DRM_IOCTL_MGA_INDICES, &indices ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmMGATextureLoad( int fd, int index,
+		       unsigned int dstorg, unsigned int length )
+{
+   drm_mga_iload_t iload;
+   int ret, i = 0;
+
+   iload.idx = index;
+   iload.dstorg = dstorg;
+   iload.length = length;
+
+   do {
+      ret = ioctl( fd, DRM_IOCTL_MGA_ILOAD, &iload );
+   } while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
+
+   if ( ret == 0 ) {
+      return 0;
+   } else {
+      return -errno;
+   }
+}
+
+int drmMGAAgpBlit( int fd, unsigned int planemask,
+		   unsigned int src_offset, int src_pitch,
+		   unsigned int dst_offset, int dst_pitch,
+		   int delta_sx, int delta_sy,
+		   int delta_dx, int delta_dy,
+		   int height, int ydir )
+{
+   drm_mga_blit_t blit;
+   int ret, i = 0;
+
+   blit.planemask = planemask;
+   blit.srcorg = src_offset;
+   blit.dstorg = dst_offset;
+   blit.src_pitch = src_pitch;
+   blit.dst_pitch = dst_pitch;
+   blit.delta_sx = delta_sx;
+   blit.delta_sy = delta_sy;
+   blit.delta_dx = delta_dx;
+   blit.delta_dx = delta_dx;
+   blit.height = height;
+   blit.ydir = ydir;
+
+   do {
+      ret = ioctl( fd, DRM_IOCTL_MGA_BLIT, &blit );
+   } while ( ret && errno == EBUSY && i++ < MGA_IDLE_RETRY );
+
+   if ( ret == 0 ) {
+      return 0;
+   } else {
+      return -errno;
+   }
+}
+
+/* R128 */
+
+#define R128_BUFFER_RETRY	32
+#define R128_IDLE_RETRY		32
+
+int drmR128InitCCE( int fd, drmCompatR128Init *info )
+{
+   drm_r128_init_t init;
+
+   memset( &init, 0, sizeof(drm_r128_init_t) );
+
+   init.func			= R128_INIT_CCE;
+   init.sarea_priv_offset	= info->sarea_priv_offset;
+   init.is_pci			= info->is_pci;
+   init.cce_mode		= info->cce_mode;
+   init.cce_secure		= info->cce_secure;
+   init.ring_size		= info->ring_size;
+   init.usec_timeout		= info->usec_timeout;
+
+   init.fb_bpp			= info->fb_bpp;
+   init.front_offset		= info->front_offset;
+   init.front_pitch		= info->front_pitch;
+   init.back_offset		= info->back_offset;
+   init.back_pitch		= info->back_pitch;
+
+   init.depth_bpp		= info->depth_bpp;
+   init.depth_offset		= info->depth_offset;
+   init.depth_pitch		= info->depth_pitch;
+   init.span_offset		= info->span_offset;
+
+   init.fb_offset		= info->fb_offset;
+   init.mmio_offset		= info->mmio_offset;
+   init.ring_offset		= info->ring_offset;
+   init.ring_rptr_offset	= info->ring_rptr_offset;
+   init.buffers_offset		= info->buffers_offset;
+   init.agp_textures_offset	= info->agp_textures_offset;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_INIT, &init ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128CleanupCCE( int fd )
+{
+   drm_r128_init_t init;
+
+   memset( &init, 0, sizeof(drm_r128_init_t) );
+
+   init.func = R128_CLEANUP_CCE;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_INIT, &init ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128StartCCE( int fd )
+{
+   if ( ioctl( fd, DRM_IOCTL_R128_CCE_START, NULL ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128StopCCE( int fd )
+{
+   drm_r128_cce_stop_t stop;
+   int ret, i = 0;
+
+   stop.flush = 1;
+   stop.idle = 1;
+
+   ret = ioctl( fd, DRM_IOCTL_R128_CCE_STOP, &stop );
+
+   if ( ret == 0 ) {
+      return 0;
+   } else if ( errno != EBUSY ) {
+      return -errno;
+   }
+
+   stop.flush = 0;
+
+   do {
+      ret = ioctl( fd, DRM_IOCTL_R128_CCE_STOP, &stop );
+   } while ( ret && errno == EBUSY && i++ < R128_IDLE_RETRY );
+
+   if ( ret == 0 ) {
+      return 0;
+   } else if ( errno != EBUSY ) {
+      return -errno;
+   }
+
+   stop.idle = 0;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_CCE_STOP, &stop ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128ResetCCE( int fd )
+{
+   if ( ioctl( fd, DRM_IOCTL_R128_CCE_RESET, NULL ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128WaitForIdleCCE( int fd )
+{
+   int ret, i = 0;
+
+   do {
+      ret = ioctl( fd, DRM_IOCTL_R128_CCE_IDLE, NULL );
+   } while ( ret && errno == EBUSY && i++ < R128_IDLE_RETRY );
+
+   if ( ret == 0 ) {
+      return 0;
+   } else {
+      return -errno;
+   }
+}
+
+int drmR128EngineReset( int fd )
+{
+   if ( ioctl( fd, DRM_IOCTL_R128_RESET, NULL ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128FullScreen( int fd, int enable )
+{
+   drm_r128_fullscreen_t fs;
+
+   if ( enable ) {
+      fs.func = R128_INIT_FULLSCREEN;
+   } else {
+      fs.func = R128_CLEANUP_FULLSCREEN;
+   }
+
+   if ( ioctl( fd, DRM_IOCTL_R128_FULLSCREEN, &fs ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128SwapBuffers( int fd )
+{
+   if ( ioctl( fd, DRM_IOCTL_R128_SWAP, NULL ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128Clear( int fd, unsigned int flags,
+		  unsigned int clear_color, unsigned int clear_depth,
+		  unsigned int color_mask, unsigned int depth_mask )
+{
+   drm_r128_clear_t clear;
+
+   clear.flags = flags;
+   clear.clear_color = clear_color;
+   clear.clear_depth = clear_depth;
+   clear.color_mask = color_mask;
+   clear.depth_mask = depth_mask;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_CLEAR, &clear ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128FlushVertexBuffer( int fd, int prim, int index,
+			      int count, int discard )
+{
+   drm_r128_vertex_t v;
+
+   v.prim = prim;
+   v.idx = index;
+   v.count = count;
+   v.discard = discard;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_VERTEX, &v ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128FlushIndices( int fd, int prim, int index,
+			 int start, int end, int discard )
+{
+   drm_r128_indices_t elts;
+
+   elts.prim = prim;
+   elts.idx = index;
+   elts.start = start;
+   elts.end = end;
+   elts.discard = discard;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_INDICES, &elts ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128TextureBlit( int fd, int index,
+			int offset, int pitch, int format,
+			int x, int y, int width, int height )
+{
+   drm_r128_blit_t blit;
+
+   blit.idx = index;
+   blit.offset = offset;
+   blit.pitch = pitch;
+   blit.format = format;
+   blit.x = x;
+   blit.y = y;
+   blit.width = width;
+   blit.height = height;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_BLIT, &blit ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128WriteDepthSpan( int fd, int n, int x, int y,
+			   const unsigned int depth[],
+			   const unsigned char mask[] )
+{
+   drm_r128_depth_t d;
+
+   d.func = R128_WRITE_SPAN;
+   d.n = n;
+   d.x = &x;
+   d.y = &y;
+   d.buffer = (unsigned int *)depth;
+   d.mask = (unsigned char *)mask;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_DEPTH, &d ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128WriteDepthPixels( int fd, int n,
+			     const int x[], const int y[],
+			     const unsigned int depth[],
+			     const unsigned char mask[] )
+{
+   drm_r128_depth_t d;
+
+   d.func = R128_WRITE_PIXELS;
+   d.n = n;
+   d.x = (int *)x;
+   d.y = (int *)y;
+   d.buffer = (unsigned int *)depth;
+   d.mask = (unsigned char *)mask;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_DEPTH, &d ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128ReadDepthSpan( int fd, int n, int x, int y )
+{
+   drm_r128_depth_t d;
+
+   d.func = R128_READ_SPAN;
+   d.n = n;
+   d.x = &x;
+   d.y = &y;
+   d.buffer = NULL;
+   d.mask = NULL;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_DEPTH, &d ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128ReadDepthPixels( int fd, int n,
+			    const int x[], const int y[] )
+{
+   drm_r128_depth_t d;
+
+   d.func = R128_READ_PIXELS;
+   d.n = n;
+   d.x = (int *)x;
+   d.y = (int *)y;
+   d.buffer = NULL;
+   d.mask = NULL;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_DEPTH, &d ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128PolygonStipple( int fd, unsigned int *mask )
+{
+   drm_r128_stipple_t stipple;
+
+   stipple.mask = mask;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_STIPPLE, &stipple ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmR128FlushIndirectBuffer( int fd, int index,
+				int start, int end, int discard )
+{
+   drm_r128_indirect_t ind;
+
+   ind.idx = index;
+   ind.start = start;
+   ind.end = end;
+   ind.discard = discard;
+
+   if ( ioctl( fd, DRM_IOCTL_R128_INDIRECT, &ind ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+/* Radeon */
+
+#define RADEON_BUFFER_RETRY	32
+#define RADEON_IDLE_RETRY	16
+
+int drmRadeonInitCP( int fd, drmCompatRadeonInit *info )
+{
+   drm_radeon_init_t init;
+
+   memset( &init, 0, sizeof(drm_radeon_init_t) );
+
+   init.func			= RADEON_INIT_CP;
+   init.sarea_priv_offset	= info->sarea_priv_offset;
+   init.is_pci			= info->is_pci;
+   init.cp_mode			= info->cp_mode;
+   init.agp_size		= info->agp_size;
+   init.ring_size		= info->ring_size;
+   init.usec_timeout		= info->usec_timeout;
+
+   init.fb_bpp			= info->fb_bpp;
+   init.front_offset		= info->front_offset;
+   init.front_pitch		= info->front_pitch;
+   init.back_offset		= info->back_offset;
+   init.back_pitch		= info->back_pitch;
+
+   init.depth_bpp		= info->depth_bpp;
+   init.depth_offset		= info->depth_offset;
+   init.depth_pitch		= info->depth_pitch;
+
+   init.fb_offset		= info->fb_offset;
+   init.mmio_offset		= info->mmio_offset;
+   init.ring_offset		= info->ring_offset;
+   init.ring_rptr_offset	= info->ring_rptr_offset;
+   init.buffers_offset		= info->buffers_offset;
+   init.agp_textures_offset	= info->agp_textures_offset;
+
+   if ( ioctl( fd, DRM_IOCTL_RADEON_CP_INIT, &init ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonCleanupCP( int fd )
+{
+   drm_radeon_init_t init;
+
+   memset( &init, 0, sizeof(drm_radeon_init_t) );
+
+   init.func = RADEON_CLEANUP_CP;
+
+   if ( ioctl( fd, DRM_IOCTL_RADEON_CP_INIT, &init ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonStartCP( int fd )
+{
+   if ( ioctl( fd, DRM_IOCTL_RADEON_CP_START, NULL ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonStopCP( int fd )
+{
+   drm_radeon_cp_stop_t stop;
+   int ret, i = 0;
+
+   stop.flush = 1;
+   stop.idle = 1;
+
+   ret = ioctl( fd, DRM_IOCTL_RADEON_CP_STOP, &stop );
+
+   if ( ret == 0 ) {
+      return 0;
+   } else if ( errno != EBUSY ) {
+      return -errno;
+   }
+
+   stop.flush = 0;
+
+   do {
+      ret = ioctl( fd, DRM_IOCTL_RADEON_CP_STOP, &stop );
+   } while ( ret && errno == EBUSY && i++ < RADEON_IDLE_RETRY );
+
+   if ( ret == 0 ) {
+      return 0;
+   } else if ( errno != EBUSY ) {
+      return -errno;
+   }
+
+   stop.idle = 0;
+
+   if ( ioctl( fd, DRM_IOCTL_RADEON_CP_STOP, &stop ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonResetCP( int fd )
+{
+   if ( ioctl( fd, DRM_IOCTL_RADEON_CP_RESET, NULL ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonWaitForIdleCP( int fd )
+{
+   int ret, i = 0;
+
+   do {
+      ret = ioctl( fd, DRM_IOCTL_RADEON_CP_IDLE, NULL );
+   } while ( ret && errno == EBUSY && i++ < RADEON_IDLE_RETRY );
+
+   if ( ret == 0 ) {
+      return 0;
+   } else {
+      return -errno;
+   }
+}
+
+int drmRadeonEngineReset( int fd )
+{
+   if ( ioctl( fd, DRM_IOCTL_RADEON_RESET, NULL ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonFullScreen( int fd, int enable )
+{
+   drm_radeon_fullscreen_t fs;
+
+   if ( enable ) {
+      fs.func = RADEON_INIT_FULLSCREEN;
+   } else {
+      fs.func = RADEON_CLEANUP_FULLSCREEN;
+   }
+
+   if ( ioctl( fd, DRM_IOCTL_RADEON_FULLSCREEN, &fs ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonSwapBuffers( int fd )
+{
+   if ( ioctl( fd, DRM_IOCTL_RADEON_SWAP, NULL ) ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonClear( int fd, unsigned int flags,
+		    unsigned int clear_color, unsigned int clear_depth,
+		    unsigned int color_mask, unsigned int stencil,
+		    void *b, int nbox )
+{
+   drm_radeon_clear_t clear;
+   drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS];
+   drm_clip_rect_t *boxes = (drm_clip_rect_t *)b;
+   int i;
+
+   clear.flags = flags;
+   clear.clear_color = clear_color;
+   clear.clear_depth = clear_depth;
+   clear.color_mask = color_mask;
+   clear.depth_mask = stencil;	/* misnamed field in ioctl */
+   clear.depth_boxes = depth_boxes;
+
+   /* We can remove this when we do real depth clears, instead of
+    * rendering a rectangle into the depth buffer.  This prevents
+    * floating point calculations being done in the kernel.
+    */
+   for ( i = 0 ; i < nbox ; i++ ) {
+      depth_boxes[i].f[CLEAR_X1] = (float)boxes[i].x1;
+      depth_boxes[i].f[CLEAR_Y1] = (float)boxes[i].y1;
+      depth_boxes[i].f[CLEAR_X2] = (float)boxes[i].x2;
+      depth_boxes[i].f[CLEAR_Y2] = (float)boxes[i].y2;
+      depth_boxes[i].f[CLEAR_DEPTH] = (float)clear_depth;
+   }
+
+   if ( ioctl( fd, DRM_IOCTL_RADEON_CLEAR, &clear ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonFlushVertexBuffer( int fd, int prim, int index,
+				int count, int discard )
+{
+   drm_radeon_vertex_t v;
+
+   v.prim = prim;
+   v.idx = index;
+   v.count = count;
+   v.discard = discard;
+
+   if ( ioctl( fd, DRM_IOCTL_RADEON_VERTEX, &v ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonFlushIndices( int fd, int prim, int index,
+			   int start, int end, int discard )
+{
+   drm_radeon_indices_t elts;
+
+   elts.prim = prim;
+   elts.idx = index;
+   elts.start = start;
+   elts.end = end;
+   elts.discard = discard;
+
+   if ( ioctl( fd, DRM_IOCTL_RADEON_INDICES, &elts ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonLoadTexture( int fd, int offset, int pitch, int format, int width,
+                          int height, drmCompatRadeonTexImage *image )
+{
+   drm_radeon_texture_t tex;
+   drm_radeon_tex_image_t tmp;
+   int ret;
+
+   tex.offset = offset;
+   tex.pitch = pitch;
+   tex.format = format;
+   tex.width = width;
+   tex.height = height;
+   tex.image = &tmp;
+
+   /* This gets updated by the kernel when a multipass blit is needed.
+    */
+   memcpy( &tmp, image, sizeof(drm_radeon_tex_image_t) );
+
+   do {
+      ret = ioctl( fd, DRM_IOCTL_RADEON_TEXTURE, &tex );
+   } while ( ret && errno == EAGAIN );
+
+   if ( ret == 0 ) {
+      return 0;
+   } else {
+      return -errno;
+   }
+}
+
+int drmRadeonPolygonStipple( int fd, unsigned int *mask )
+{
+   drm_radeon_stipple_t stipple;
+
+   stipple.mask = mask;
+
+   if ( ioctl( fd, DRM_IOCTL_RADEON_STIPPLE, &stipple ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+int drmRadeonFlushIndirectBuffer( int fd, int index,
+				  int start, int end, int discard )
+{
+   drm_radeon_indirect_t ind;
+
+   ind.idx = index;
+   ind.start = start;
+   ind.end = end;
+   ind.discard = discard;
+
+   if ( ioctl( fd, DRM_IOCTL_RADEON_INDIRECT, &ind ) < 0 ) {
+      return -errno;
+   } else {
+      return 0;
+   }
+}
+
+/* SiS */
+
+Bool drmSiSAgpInit(int driSubFD, int offset, int size)
+{
+   drm_sis_agp_t agp;
+      
+   agp.offset = offset;
+   agp.size = size;
+   ioctl(driSubFD, SIS_IOCTL_AGP_INIT, &agp);
+
+   return 1; /* TRUE */
+}
+
+/* I830 */
+
+Bool drmI830CleanupDma(int driSubFD)
+{
+   drm_i830_init_t init;
+
+   memset(&init, 0, sizeof(drm_i830_init_t));
+   init.func = I810_CLEANUP_DMA;
+
+   if(ioctl(driSubFD, DRM_IOCTL_I830_INIT, &init)) {
+      return 0; /* FALSE */
+   }
+
+   return 1; /* TRUE */
+}
+
+Bool drmI830InitDma(int driSubFD, drmCompatI830Init *info)
+{
+   drm_i830_init_t init;
+
+   memset(&init, 0, sizeof(drm_i830_init_t));
+
+   init.func = I810_INIT_DMA;
+   init.mmio_offset = info->mmio_offset;
+   init.buffers_offset = info->buffers_offset;
+   init.ring_start = info->start;
+   init.ring_end = info->end;
+   init.ring_size = info->size;
+   init.sarea_priv_offset = info->sarea_off;
+   init.front_offset = info->front_offset;
+   init.back_offset = info->back_offset;
+   init.depth_offset = info->depth_offset;
+   init.w = info->w;
+   init.h = info->h;
+   init.pitch = info->pitch;
+   init.pitch_bits = info->pitch_bits;
+   init.back_pitch = info->pitch;
+   init.depth_pitch = info->pitch;
+   init.cpp = info->cpp;
+
+   if(ioctl(driSubFD, DRM_IOCTL_I830_INIT, &init)) {
+      return 0; /* FALSE */
+   }
+   return 1; /* TRUE */
+}
+
+/* WARNING: Do not change, or add, anything to this file.  It is only provided
+ * for binary backwards compatability with the old driver specific DRM
+ * extensions used before XFree86 4.3.
+ */