dri: drop MINIGLX_SOURCES (2)

1 files changed, 0 insertions, 1088 deletions

diff --git a/src/mesa/drivers/dri/mga/server/mga_dri.c b/src/mesa/drivers/dri/mga/server/mga_dri.c
deleted file mode 100644
index bc575e62ee..0000000000
--- a/src/mesa/drivers/dri/mga/server/mga_dri.c
+++ /dev/null
@@ -1,1088 +0,0 @@
-
-/*
- * Copyright 2000 VA Linux Systems Inc., Fremont, California.
- * 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
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES
- * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *    Keith Whitwell <keith@tungstengraphics.com>
- *    Gareth Hughes <gareth@valinux.com>
- */
-
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <inttypes.h>
-
-#include "driver.h"
-#include "drm.h"
-#include "memops.h"
-
-#include "mga_reg.h"
-#include "mga.h"
-#include "mga_macros.h"
-#include "mga_dri.h"
-
-
-/* Quiescence, locking
- */
-#define MGA_TIMEOUT		2048
-
-static void MGAWaitForIdleDMA( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
-   drm_lock_t lock;
-   int ret;
-   int i = 0;
-
-   memset( &lock, 0, sizeof(lock) );
-
-   for (;;) {
-      do {
-         /* first ask for quiescent and flush */
-         lock.flags = DRM_LOCK_QUIESCENT | DRM_LOCK_FLUSH;
-         do {
-	    ret = drmCommandWrite( ctx->drmFD, DRM_MGA_FLUSH,
-                                   &lock, sizeof( lock ) );
-         } while ( ret == -EBUSY && i++ < DRM_MGA_IDLE_RETRY );
-
-         /* if it's still busy just try quiescent */
-         if ( ret == -EBUSY ) { 
-            lock.flags = DRM_LOCK_QUIESCENT;
-            do {
-	       ret = drmCommandWrite( ctx->drmFD, DRM_MGA_FLUSH,
-                                      &lock, sizeof( lock ) );
-            } while ( ret == -EBUSY && i++ < DRM_MGA_IDLE_RETRY );
-         }
-      } while ( ( ret == -EBUSY ) && ( i++ < MGA_TIMEOUT ) );
-
-      if ( ret == 0 )
-	 return;
-
-      fprintf( stderr,
-               "[dri] Idle timed out, resetting engine...\n" );
-
-      drmCommandNone( ctx->drmFD, DRM_MGA_RESET );
-   }
-}
-
-static unsigned int mylog2( unsigned int n )
-{
-   unsigned int log2 = 1;
-   while ( n > 1 ) n >>= 1, log2++;
-   return log2;
-}
-
-static int MGADRIAgpInit(struct DRIDriverContextRec *ctx, MGAPtr pMga)
-{
-   unsigned long mode;
-   unsigned int vendor, device;
-   int ret, count, i;
-
-   if(pMga->agpSize < 12)pMga->agpSize = 12;
-   if(pMga->agpSize > 64)pMga->agpSize = 64; /* cap */
-
-   /* FIXME: Make these configurable...
-    */
-   pMga->agp.size = pMga->agpSize * 1024 * 1024;
-
-   pMga->warp.offset = 0;
-   pMga->warp.size = MGA_WARP_UCODE_SIZE;
-
-   pMga->primary.offset = (pMga->warp.offset +
-				    pMga->warp.size);
-   pMga->primary.size = 1024 * 1024;
-
-   pMga->buffers.offset = (pMga->primary.offset +
-				    pMga->primary.size);
-   pMga->buffers.size = MGA_NUM_BUFFERS * MGA_BUFFER_SIZE;
-
-
-   pMga->agpTextures.offset = (pMga->buffers.offset +
-                                    pMga->buffers.size);
-
-   pMga->agpTextures.size = pMga->agp.size -
-                                     pMga->agpTextures.offset;
-
-   if ( drmAgpAcquire( ctx->drmFD ) < 0 ) {
-     fprintf( stderr, "[agp] AGP not available\n" );
-      return 0;
-   }
-
-   mode   = drmAgpGetMode( ctx->drmFD );        /* Default mode */
-   vendor = drmAgpVendorId( ctx->drmFD );
-   device = drmAgpDeviceId( ctx->drmFD );
-
-   mode &= ~MGA_AGP_MODE_MASK;
-   switch ( pMga->agpMode ) {
-   case 4:
-      mode |= MGA_AGP_4X_MODE;
-   case 2:
-      mode |= MGA_AGP_2X_MODE;
-   case 1:
-   default:
-      mode |= MGA_AGP_1X_MODE;
-   }
-
-#if 0
-   fprintf( stderr,
-            "[agp] Mode 0x%08lx [AGP 0x%04x/0x%04x; Card 0x%04x/0x%04x]\n",
-            mode, vendor, device,
-            ctx->pciVendor,
-            ctx->pciChipType );
-#endif
-
-   if ( drmAgpEnable( ctx->drmFD, mode ) < 0 ) {
-     fprintf( stderr, "[agp] AGP not enabled\n" );
-      drmAgpRelease( ctx->drmFD );
-      return 0;
-   }
-
-   if ( pMga->Chipset == PCI_CHIP_MGAG200 ) {
-      switch ( pMga->agpMode ) {
-      case 2:
-	 fprintf( stderr,
-		     "[drm] Enabling AGP 2x PLL encoding\n" );
-	 OUTREG( MGAREG_AGP_PLL, MGA_AGP2XPLL_ENABLE );
-	 break;
-
-      case 1:
-      default:
-	 fprintf( stderr,
-		     "[drm] Disabling AGP 2x PLL encoding\n" );
-	 OUTREG( MGAREG_AGP_PLL, MGA_AGP2XPLL_DISABLE );
-	 pMga->agpMode = 1;
-	 break;
-      }
-   }
-
-   ret = drmAgpAlloc( ctx->drmFD, pMga->agp.size,
-		      0, NULL, &pMga->agp.handle );
-   if ( ret < 0 ) {
-      fprintf( stderr, "[agp] Out of memory (%d)\n", ret );
-      drmAgpRelease( ctx->drmFD );
-      return 0;
-   }
-   fprintf( stderr,
-	       "[agp] %d kB allocated with handle 0x%08x\n",
-	       pMga->agp.size/1024, (unsigned int)pMga->agp.handle );
-
-   if ( drmAgpBind( ctx->drmFD, pMga->agp.handle, 0 ) < 0 ) {
-      fprintf( stderr, "[agp] Could not bind memory\n" );
-      drmAgpFree( ctx->drmFD, pMga->agp.handle );
-      drmAgpRelease( ctx->drmFD );
-      return 0;
-   }
-
-   /* WARP microcode space
-    */
-   if ( drmAddMap( ctx->drmFD,
-		   pMga->warp.offset,
-		   pMga->warp.size,
-		   DRM_AGP, DRM_READ_ONLY,
-		   &pMga->warp.handle ) < 0 ) {
-      fprintf( stderr,
-		  "[agp] Could not add WARP microcode mapping\n" );
-      return 0;
-   }
-   fprintf( stderr,
- 	       "[agp] WARP microcode handle = 0x%08x\n",
-	       pMga->warp.handle );
-
-   if ( drmMap( ctx->drmFD,
-		pMga->warp.handle,
-		pMga->warp.size,
-		&pMga->warp.map ) < 0 ) {
-      fprintf( stderr,
-		  "[agp] Could not map WARP microcode\n" );
-      return 0;
-   }
-   fprintf( stderr,
-	       "[agp] WARP microcode mapped at 0x%08lx\n",
-	       (unsigned long)pMga->warp.map );
-
-   /* Primary DMA space
-    */
-   if ( drmAddMap( ctx->drmFD,
-		   pMga->primary.offset,
-		   pMga->primary.size,
-		   DRM_AGP, DRM_READ_ONLY,
-		   &pMga->primary.handle ) < 0 ) {
-      fprintf( stderr,
-		  "[agp] Could not add primary DMA mapping\n" );
-      return 0;
-   }
-   fprintf( stderr,
- 	       "[agp] Primary DMA handle = 0x%08x\n",
-	       pMga->primary.handle );
-
-   if ( drmMap( ctx->drmFD,
-		pMga->primary.handle,
-		pMga->primary.size,
-		&pMga->primary.map ) < 0 ) {
-      fprintf( stderr,
-		  "[agp] Could not map primary DMA\n" );
-      return 0;
-   }
-   fprintf( stderr,
-	       "[agp] Primary DMA mapped at 0x%08lx\n",
-	       (unsigned long)pMga->primary.map );
-
-   /* DMA buffers
-    */
-   if ( drmAddMap( ctx->drmFD,
-		   pMga->buffers.offset,
-		   pMga->buffers.size,
-		   DRM_AGP, 0,
-		   &pMga->buffers.handle ) < 0 ) {
-      fprintf( stderr,
-		  "[agp] Could not add DMA buffers mapping\n" );
-      return 0;
-   }
-   fprintf( stderr,
- 	       "[agp] DMA buffers handle = 0x%08x\n",
-	       pMga->buffers.handle );
-
-   if ( drmMap( ctx->drmFD,
-		pMga->buffers.handle,
-		pMga->buffers.size,
-		&pMga->buffers.map ) < 0 ) {
-      fprintf( stderr,
-		  "[agp] Could not map DMA buffers\n" );
-      return 0;
-   }
-   fprintf( stderr,
-	       "[agp] DMA buffers mapped at 0x%08lx\n",
-	       (unsigned long)pMga->buffers.map );
-
-   count = drmAddBufs( ctx->drmFD,
-		       MGA_NUM_BUFFERS, MGA_BUFFER_SIZE,
-		       DRM_AGP_BUFFER, pMga->buffers.offset );
-   if ( count <= 0 ) {
-      fprintf( stderr,
-		  "[drm] failure adding %d %d byte DMA buffers\n",
-		  MGA_NUM_BUFFERS, MGA_BUFFER_SIZE );
-      return 0;
-   }
-   fprintf( stderr,
-	       "[drm] Added %d %d byte DMA buffers\n",
-	       count, MGA_BUFFER_SIZE );
-
-   i = mylog2(pMga->agpTextures.size / MGA_NR_TEX_REGIONS);
-   if(i < MGA_LOG_MIN_TEX_REGION_SIZE)
-      i = MGA_LOG_MIN_TEX_REGION_SIZE;
-   pMga->agpTextures.size = (pMga->agpTextures.size >> i) << i;
-
-   if ( drmAddMap( ctx->drmFD,
-                   pMga->agpTextures.offset,
-                   pMga->agpTextures.size,
-                   DRM_AGP, 0,
-                   &pMga->agpTextures.handle ) < 0 ) {
-      fprintf( stderr,
-                  "[agp] Could not add agpTexture mapping\n" );
-      return 0;
-   }
-/* should i map it ? */
-   fprintf( stderr,
-               "[agp] agpTexture handle = 0x%08x\n",
-               pMga->agpTextures.handle );
-   fprintf( stderr,
-               "[agp] agpTexture size: %d kb\n", pMga->agpTextures.size/1024 );
-
-   return 1;
-}
-
-static int MGADRIMapInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
-   pMga->registers.size = MGAIOMAPSIZE;
-
-   if ( drmAddMap( ctx->drmFD,
-		   (drm_handle_t)pMga->IOAddress,
-		   pMga->registers.size,
-		   DRM_REGISTERS, DRM_READ_ONLY,
-		   &pMga->registers.handle ) < 0 ) {
-      fprintf( stderr,
-		  "[drm] Could not add MMIO registers mapping\n" );
-      return 0;
-   }
-   fprintf( stderr,
-	       "[drm] Registers handle = 0x%08lx\n",
-	       pMga->registers.handle );
-
-   pMga->status.size = SAREA_MAX;
-
-   if ( drmAddMap( ctx->drmFD, 0, pMga->status.size,
-		   DRM_SHM, DRM_READ_ONLY | DRM_LOCKED | DRM_KERNEL,
-		   &pMga->status.handle ) < 0 ) {
-      fprintf( stderr,
-		  "[drm] Could not add status page mapping\n" );
-      return 0;
-   }
-   fprintf( stderr,
- 	       "[drm] Status handle = 0x%08x\n",
-	       pMga->status.handle );
-
-   if ( drmMap( ctx->drmFD,
-		pMga->status.handle,
-		pMga->status.size,
-		&pMga->status.map ) < 0 ) {
-      fprintf( stderr,
-		  "[agp] Could not map status page\n" );
-      return 0;
-   }
-   fprintf( stderr,
-	       "[agp] Status page mapped at 0x%08lx\n",
-	       (unsigned long)pMga->status.map );
-
-   return 1;
-}
-
-static int MGADRIKernelInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
-   drm_mga_init_t init;
-   int ret;
-
-   memset( &init, 0, sizeof(init) );
-
-   init.func = MGA_INIT_DMA;
-   init.sarea_priv_offset = sizeof(drm_sarea_t);
-
-   switch ( pMga->Chipset ) {
-   case PCI_CHIP_MGAG550:
-   case PCI_CHIP_MGAG400:
-      init.chipset = MGA_CARD_TYPE_G400;
-      break;
-   case PCI_CHIP_MGAG200:
-   case PCI_CHIP_MGAG200_PCI:
-      init.chipset = MGA_CARD_TYPE_G200;
-      break;
-   default:
-      return 0;
-   }
-
-   init.sgram = 0; /* FIXME !pMga->HasSDRAM; */
-
-
-   switch (ctx->bpp)
-     {
-     case 16:
-       init.maccess = MGA_MACCESS_PW16;
-       break;
-     case 32:
-       init.maccess = MGA_MACCESS_PW32;
-       break;
-     default:
-       fprintf( stderr, "[mga] invalid bpp (%d)\n", ctx->bpp );
-       return 0;
-     }
-
-
-   init.fb_cpp		= ctx->bpp / 8;
-   init.front_offset	= pMga->frontOffset;
-   init.front_pitch	= pMga->frontPitch / init.fb_cpp;
-   init.back_offset	= pMga->backOffset;
-   init.back_pitch	= pMga->backPitch / init.fb_cpp;
-
-   init.depth_cpp	= ctx->bpp / 8;
-   init.depth_offset	= pMga->depthOffset;
-   init.depth_pitch	= pMga->depthPitch / init.depth_cpp;
-
-   init.texture_offset[0] = pMga->textureOffset;
-   init.texture_size[0] = pMga->textureSize;
-
-   init.fb_offset = ctx->shared.hFrameBuffer;
-   init.mmio_offset = pMga->registers.handle;
-   init.status_offset = pMga->status.handle;
-
-   init.warp_offset = pMga->warp.handle;
-   init.primary_offset = pMga->primary.handle;
-   init.buffers_offset = pMga->buffers.handle;
-
-   init.texture_offset[1] = pMga->agpTextures.handle;
-   init.texture_size[1] = pMga->agpTextures.size;
-
-   ret = drmCommandWrite( ctx->drmFD, DRM_MGA_INIT, &init, sizeof(init));
-   if ( ret < 0 ) {
-      fprintf( stderr,
-		  "[drm] Failed to initialize DMA! (%d)\n", ret );
-      return 0;
-   }
-
-   return 1;
-}
-
-static void MGADRIIrqInit(struct DRIDriverContextRec *ctx, MGAPtr pMga)
-{
-  if (!pMga->irq)
-    {
-      pMga->irq = drmGetInterruptFromBusID(ctx->drmFD,
-                                           ctx->pciBus,
-                                           ctx->pciDevice,
-                                           ctx->pciFunc);
-
-      fprintf(stderr, "[drm] got IRQ %d\n", pMga->irq);
-
-    if((drmCtlInstHandler(ctx->drmFD, pMga->irq)) != 0)
-      {
-        fprintf(stderr,
-                "[drm] failure adding irq handler, "
-                "there is a device already using that irq\n"
-                "[drm] falling back to irq-free operation\n");
-        pMga->irq = 0;
-      }
-    else
-      {
-        pMga->reg_ien = INREG( MGAREG_IEN );
-      }
-    }
-
-  if (pMga->irq)
-    fprintf(stderr,
-            "[drm] dma control initialized, using IRQ %d\n",
-            pMga->irq);
-}
-
-static int MGADRIBuffersInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
-   pMga->drmBuffers = drmMapBufs( ctx->drmFD );
-   if ( !pMga->drmBuffers )
-     {
-       fprintf( stderr,
-                "[drm] Failed to map DMA buffers list\n" );
-       return 0;
-     }
-   
-   fprintf( stderr,
-            "[drm] Mapped %d DMA buffers\n",
-            pMga->drmBuffers->count );
-
-   return 1;
-}
-
-static int MGAMemoryInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
-   int        width_bytes = ctx->shared.virtualWidth * ctx->cpp;
-   int        bufferSize  = ((ctx->shared.virtualHeight * width_bytes
-			      + MGA_BUFFER_ALIGN)
-			     & ~MGA_BUFFER_ALIGN);
-   int        depthSize   = ((((ctx->shared.virtualHeight+15) & ~15) * width_bytes
-			      + MGA_BUFFER_ALIGN)
-			     & ~MGA_BUFFER_ALIGN);
-   int        l;
-
-   pMga->frontOffset = 0;
-   pMga->frontPitch = ctx->shared.virtualWidth * ctx->cpp;
-
-   fprintf(stderr, 
-	   "Using %d MB AGP aperture\n", pMga->agpSize);
-   fprintf(stderr, 
-	   "Using %d MB for vertex/indirect buffers\n", pMga->buffers.size>>20);
-   fprintf(stderr, 
-	   "Using %d MB for AGP textures\n", pMga->agpTextures.size>>20);
-
-   /* Front, back and depth buffers - everything else texture??
-    */
-   pMga->textureSize = ctx->shared.fbSize - 2 * bufferSize - depthSize;
-
-   if (pMga->textureSize < 0) 
-      return 0;
-
-   l = mylog2( pMga->textureSize / MGA_NR_TEX_REGIONS );
-   if ( l < MGA_LOG_MIN_TEX_REGION_SIZE )
-      l = MGA_LOG_MIN_TEX_REGION_SIZE;
-
-   /* Round the texture size up to the nearest whole number of
-    * texture regions.  Again, be greedy about this, don't
-    * round down.
-    */
-   pMga->logTextureGranularity = l;
-   pMga->textureSize = (pMga->textureSize >> l) << l;
-
-   /* Set a minimum usable local texture heap size.  This will fit
-    * two 256x256x32bpp textures.
-    */
-   if (pMga->textureSize < 512 * 1024) {
-      pMga->textureOffset = 0;
-      pMga->textureSize = 0;
-   }
-
-   /* Reserve space for textures */
-   pMga->textureOffset = ((ctx->shared.fbSize - pMga->textureSize +
-			   MGA_BUFFER_ALIGN) &
-			  ~MGA_BUFFER_ALIGN);
-
-   /* Reserve space for the shared depth
-    * buffer.
-    */
-   pMga->depthOffset = ((pMga->textureOffset - depthSize +
-			 MGA_BUFFER_ALIGN) &
-			~MGA_BUFFER_ALIGN);
-   pMga->depthPitch = ctx->shared.virtualWidth * ctx->cpp;
-
-   pMga->backOffset = ((pMga->depthOffset - bufferSize +
-			MGA_BUFFER_ALIGN) &
-                        ~MGA_BUFFER_ALIGN);
-   pMga->backPitch = ctx->shared.virtualWidth * ctx->cpp;
-
-
-   fprintf(stderr, 
-	   "Will use back buffer at offset 0x%x\n",
-	   pMga->backOffset);
-   fprintf(stderr, 
-	   "Will use depth buffer at offset 0x%x\n",
-	   pMga->depthOffset);
-   fprintf(stderr, 
-	   "Will use %d kb for textures at offset 0x%x\n",
-	   pMga->textureSize/1024, pMga->textureOffset);
-
-   return 1;
-} 
-
-static int MGACheckDRMVersion( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
-  drmVersionPtr version;
-
-  /* Check the MGA DRM version */
-  version = drmGetVersion(ctx->drmFD);
-  if ( version ) {
-    if ( version->version_major != 3 ||
-         version->version_minor < 0 ) {
-            /* incompatible drm version */
-      fprintf( stderr,
-               "[dri] MGADRIScreenInit failed because of a version mismatch.\n"
-               "[dri] mga.o kernel module version is %d.%d.%d but version 3.0.x is needed.\n"
-               "[dri] Disabling DRI.\n",
-               version->version_major,
-               version->version_minor,
-               version->version_patchlevel );
-      drmFreeVersion( version );
-      return 0;
-    }
-    drmFreeVersion( version );
-  }
-
-  return 1;
-}
-
-static void print_client_msg( MGADRIPtr pMGADRI )
-{
-  fprintf( stderr, "chipset:                  %d\n", pMGADRI->chipset );
-
-  fprintf( stderr, "width:                    %d\n", pMGADRI->width );
-  fprintf( stderr, "height:                   %d\n", pMGADRI->height );
-  fprintf( stderr, "mem:                      %d\n", pMGADRI->mem );
-  fprintf( stderr, "cpp:                      %d\n", pMGADRI->cpp );
-
-  fprintf( stderr, "agpMode:                  %d\n", pMGADRI->agpMode );
-
-  fprintf( stderr, "frontOffset:              %d\n", pMGADRI->frontOffset );
-  fprintf( stderr, "frontPitch:               %d\n", pMGADRI->frontPitch );
-
-  fprintf( stderr, "backOffset:               %d\n", pMGADRI->backOffset );
-  fprintf( stderr, "backPitch:                %d\n", pMGADRI->backPitch );
-
-  fprintf( stderr, "depthOffset:              %d\n", pMGADRI->depthOffset );
-  fprintf( stderr, "depthPitch:               %d\n", pMGADRI->depthPitch );
-
-  fprintf( stderr, "textureOffset:            %d\n", pMGADRI->textureOffset );
-  fprintf( stderr, "textureSize:              %d\n", pMGADRI->textureSize );
-
-  fprintf( stderr, "logTextureGranularity:    %d\n", pMGADRI->logTextureGranularity );
-  fprintf( stderr, "logAgpTextureGranularity: %d\n", pMGADRI->logAgpTextureGranularity );
-
-  fprintf( stderr, "agpTextureHandle:         %u\n", (unsigned int)pMGADRI->agpTextureOffset );
-  fprintf( stderr, "agpTextureSize:           %u\n", (unsigned int)pMGADRI->agpTextureSize );
-
-#if 0
-   pMGADRI->registers.handle	= pMga->registers.handle;
-   pMGADRI->registers.size	= pMga->registers.size;
-   pMGADRI->status.handle	= pMga->status.handle;
-   pMGADRI->status.size		= pMga->status.size;
-   pMGADRI->primary.handle	= pMga->primary.handle;
-   pMGADRI->primary.size	= pMga->primary.size;
-   pMGADRI->buffers.handle	= pMga->buffers.handle;
-   pMGADRI->buffers.size	= pMga->buffers.size;
-   pMGADRI->sarea_priv_offset = sizeof(drm_sarea_t);
-#endif
-}
-
-static int MGAScreenInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
-  int       i;
-  int       err;
-  MGADRIPtr pMGADRI;
-
-  usleep(100);
-  /*assert(!ctx->IsClient);*/
-
-   {
-      int  width_bytes = (ctx->shared.virtualWidth * ctx->cpp);
-      int  maxy        = ctx->shared.fbSize / width_bytes;
-
-
-      if (maxy <= ctx->shared.virtualHeight * 3) {
-	 fprintf(stderr, 
-		 "Static buffer allocation failed -- "
-		 "need at least %d kB video memory (have %d kB)\n",
-		 (ctx->shared.virtualWidth * ctx->shared.virtualHeight *
-		  ctx->cpp * 3 + 1023) / 1024,
-		 ctx->shared.fbSize / 1024);
-	 return 0;
-      } 
-   }
-
-   switch(pMga->Chipset) {
-   case PCI_CHIP_MGAG550:
-   case PCI_CHIP_MGAG400:
-   case PCI_CHIP_MGAG200:
-#if 0
-   case PCI_CHIP_MGAG200_PCI:
-#endif
-      break;
-   default:
-      fprintf(stderr, "[drm] Direct rendering only supported with G200/G400/G550 AGP\n");
-      return 0;
-   }
-
-   fprintf( stderr,
-	       "[drm] bpp: %d depth: %d\n",
-            ctx->bpp, ctx->bpp /* FIXME: depth */ );
-
-   if ( (ctx->bpp / 8) != 2 &&
-	(ctx->bpp / 8) != 4 ) {
-      fprintf( stderr,
-		  "[dri] Direct rendering only supported in 16 and 32 bpp modes\n" );
-      return 0;
-   }
-
-   ctx->shared.SAREASize = SAREA_MAX;
-
-
-   /* Note that drmOpen will try to load the kernel module, if needed. */
-   ctx->drmFD = drmOpen("mga", NULL );
-   if (ctx->drmFD < 0) {
-      fprintf(stderr, "[drm] drmOpen failed\n");
-      return 0;
-   }
-
-   if ((err = drmSetBusid(ctx->drmFD, ctx->pciBusID)) < 0) {
-      fprintf(stderr, "[drm] drmSetBusid failed (%d, %s), %s\n",
-	      ctx->drmFD, ctx->pciBusID, strerror(-err));
-      return 0;
-   }
-
-     
-   if (drmAddMap( ctx->drmFD,
-		  0,
-		  ctx->shared.SAREASize,
-		  DRM_SHM,
-		  DRM_CONTAINS_LOCK,
-		  &ctx->shared.hSAREA) < 0)
-   {
-      fprintf(stderr, "[drm] drmAddMap failed\n");
-      return 0;
-   }
-   fprintf(stderr, "[drm] added %d byte SAREA at 0x%08lx\n",
-	   ctx->shared.SAREASize, ctx->shared.hSAREA);
-
-   if (drmMap( ctx->drmFD,
-	       ctx->shared.hSAREA,
-	       ctx->shared.SAREASize,
-	       (drmAddressPtr)(&ctx->pSAREA)) < 0)
-   {
-      fprintf(stderr, "[drm] drmMap failed\n");
-      return 0;
-   }
-   memset(ctx->pSAREA, 0, ctx->shared.SAREASize);
-   fprintf(stderr, "[drm] mapped SAREA 0x%08lx to %p, size %d\n",
-	   ctx->shared.hSAREA, ctx->pSAREA, ctx->shared.SAREASize);
-   
-   /* Need to AddMap the framebuffer and mmio regions here:
-    */
-   if (drmAddMap( ctx->drmFD,
-		  (drm_handle_t)ctx->FBStart,
-		  ctx->FBSize,
-		  DRM_FRAME_BUFFER,
-		  0,
-		  &ctx->shared.hFrameBuffer) < 0)
-   {
-      fprintf(stderr, "[drm] drmAddMap framebuffer failed\n");
-      return 0;
-   }
-   fprintf(stderr, "[drm] framebuffer handle = 0x%08lx\n",
-	   ctx->shared.hFrameBuffer);
-
-
-#if 0 /* will be done in MGADRIMapInit */
-   if (drmAddMap(ctx->drmFD, 
-		 ctx->FixedInfo.mmio_start,
-		 ctx->FixedInfo.mmio_len,
-		 DRM_REGISTERS, 
-		 DRM_READ_ONLY, 
-		 &pMga->registers.handle) < 0) {
-      fprintf(stderr, "[drm] drmAddMap mmio failed\n");	
-      return 0;
-   }
-   fprintf(stderr,
-	   "[drm] register handle = 0x%08lx\n", pMga->registers.handle);
-#endif
-
-
-   /* Check the mga DRM version */
-   if (!MGACheckDRMVersion(ctx, pMga)) {
-      return 0;
-   }
-
-   if ( !MGADRIAgpInit( ctx, pMga ) ) {
-      return 0;
-   }
-
-   if ( !MGADRIMapInit( ctx, pMga ) ) {
-      return 0;
-   }
-
-   /* Memory manager setup */
-   if (!MGAMemoryInit(ctx, pMga)) {
-      return 0;
-   }
-
-
-   /* Create a 'server' context so we can grab the lock for
-    * initialization ioctls.
-    */
-   if ((err = drmCreateContext(ctx->drmFD, &ctx->serverContext)) != 0) {
-      fprintf(stderr, "%s: drmCreateContext failed %d\n", __FUNCTION__, err);
-      return 0;
-   }
-
-   DRM_LOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext, 0); 
-
-   /* Initialize the kernel data structures */
-   if (!MGADRIKernelInit(ctx, pMga)) {
-      fprintf(stderr, "MGADRIKernelInit failed\n");
-      DRM_UNLOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext);
-      return 0;
-   }
-
-   /* Initialize the vertex buffers list */
-   if (!MGADRIBuffersInit(ctx, pMga)) {
-      fprintf(stderr, "MGADRIBuffersInit failed\n");
-      DRM_UNLOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext);
-      return 0;
-   }
-
-   /* Initialize IRQ */
-   MGADRIIrqInit(ctx, pMga);
-
-
-   /* Initialize the SAREA private data structure */
-   {
-      drm_mga_sarea_t *pSAREAPriv;
-      pSAREAPriv = (drm_mga_sarea_t *)(((char*)ctx->pSAREA) + 
-					sizeof(drm_sarea_t));
-      memset(pSAREAPriv, 0, sizeof(*pSAREAPriv));
-   }
-
-   /* Quick hack to clear the front & back buffers.  Could also use
-    * the clear ioctl to do this, but would need to setup hw state
-    * first.
-    */
-   drimemsetio((char *)ctx->FBAddress + pMga->frontOffset,
-	  0,
-	  pMga->frontPitch * ctx->shared.virtualHeight );
-
-   drimemsetio((char *)ctx->FBAddress + pMga->backOffset,
-	  0,
-	  pMga->backPitch * ctx->shared.virtualHeight );
-
-   /* Can release the lock now */
-/*   DRM_UNLOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext);*/
-
-   /* This is the struct passed to radeon_dri.so for its initialization */
-   ctx->driverClientMsg = malloc(sizeof(MGADRIRec));
-   ctx->driverClientMsgSize = sizeof(MGADRIRec);
-
-   pMGADRI                    = (MGADRIPtr)ctx->driverClientMsg;
-
-
-   switch(pMga->Chipset) {
-   case PCI_CHIP_MGAG550:
-   case PCI_CHIP_MGAG400:
-      pMGADRI->chipset = MGA_CARD_TYPE_G400;
-      break;
-   case PCI_CHIP_MGAG200:
-   case PCI_CHIP_MGAG200_PCI:
-      pMGADRI->chipset = MGA_CARD_TYPE_G200;
-      break;
-   default:
-      return 0;
-   }
-   pMGADRI->width		= ctx->shared.virtualWidth;
-   pMGADRI->height		= ctx->shared.virtualHeight;
-   pMGADRI->mem			= ctx->shared.fbSize;
-   pMGADRI->cpp			= ctx->bpp / 8;
-
-   pMGADRI->agpMode		= pMga->agpMode;
-
-   pMGADRI->frontOffset		= pMga->frontOffset;
-   pMGADRI->frontPitch		= pMga->frontPitch;
-   pMGADRI->backOffset		= pMga->backOffset;
-   pMGADRI->backPitch		= pMga->backPitch;
-   pMGADRI->depthOffset		= pMga->depthOffset;
-   pMGADRI->depthPitch		= pMga->depthPitch;
-   pMGADRI->textureOffset	= pMga->textureOffset;
-   pMGADRI->textureSize		= pMga->textureSize;
-   pMGADRI->logTextureGranularity = pMga->logTextureGranularity;
-
-   i = mylog2( pMga->agpTextures.size / MGA_NR_TEX_REGIONS );
-   if ( i < MGA_LOG_MIN_TEX_REGION_SIZE )
-      i = MGA_LOG_MIN_TEX_REGION_SIZE;
-
-   pMGADRI->logAgpTextureGranularity = i;
-   pMGADRI->agpTextureOffset = (unsigned int)pMga->agpTextures.handle;
-   pMGADRI->agpTextureSize = (unsigned int)pMga->agpTextures.size;
-
-   pMGADRI->registers.handle	= pMga->registers.handle;
-   pMGADRI->registers.size	= pMga->registers.size;
-   pMGADRI->status.handle	= pMga->status.handle;
-   pMGADRI->status.size		= pMga->status.size;
-   pMGADRI->primary.handle	= pMga->primary.handle;
-   pMGADRI->primary.size	= pMga->primary.size;
-   pMGADRI->buffers.handle	= pMga->buffers.handle;
-   pMGADRI->buffers.size	= pMga->buffers.size;
-   pMGADRI->sarea_priv_offset = sizeof(drm_sarea_t);
-
-   print_client_msg( pMGADRI );
-
-   return 1;
-}
-
-
-/**
- * \brief Validate the fbdev mode.
- * 
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Saves some registers and returns 1.
- *
- * \sa mgaValidateMode().
- */
-static int mgaValidateMode( const DRIDriverContext *ctx )
-{
-   return 1;
-}
-
-
-/**
- * \brief Examine mode returned by fbdev.
- * 
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Restores registers that fbdev has clobbered and returns 1.
- *
- * \sa mgaValidateMode().
- */
-static int mgaPostValidateMode( const DRIDriverContext *ctx )
-{
-   return 1;
-}
-
-
-/**
- * \brief Initialize the framebuffer device mode
- *
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Fills in \p info with some default values and some information from \p ctx
- * and then calls MGAScreenInit() for the screen initialization.
- * 
- * Before exiting clears the framebuffer memomry accessing it directly.
- */
-static int mgaInitFBDev( struct DRIDriverContextRec *ctx )
-{
-   MGAPtr pMga = calloc(1, sizeof(*pMga));
-
-   {
-      int  dummy = ctx->shared.virtualWidth;
-
-      switch (ctx->bpp / 8) {
-      case 1: dummy = (ctx->shared.virtualWidth + 127) & ~127; break;
-      case 2: dummy = (ctx->shared.virtualWidth +  31) &  ~31; break;
-      case 3:
-      case 4: dummy = (ctx->shared.virtualWidth +  15) &  ~15; break;
-      }
-
-      ctx->shared.virtualWidth = dummy;
-   }
-
-   ctx->driverPrivate = (void *)pMga;
-   
-   pMga->agpMode       = MGA_DEFAULT_AGP_MODE;
-   pMga->agpSize       = MGA_DEFAULT_AGP_SIZE;
-  
-   pMga->Chipset = ctx->chipset;
-
-   pMga->IOAddress = ctx->MMIOStart;
-   pMga->IOBase    = ctx->MMIOAddress;
-
-   pMga->frontPitch = ctx->shared.virtualWidth * ctx->cpp;
-
-   if (!MGAScreenInit( ctx, pMga ))
-      return 0;
-
-   return 1;
-}
-
-
-/**
- * \brief The screen is being closed, so clean up any state and free any
- * resources used by the DRI.
- *
- * \param ctx display handle.
- *
- * Unmaps the SAREA, closes the DRM device file descriptor and frees the driver
- * private data.
- */
-static void mgaHaltFBDev( struct DRIDriverContextRec *ctx )
-{
-    drmUnmap( ctx->pSAREA, ctx->shared.SAREASize );
-    drmClose(ctx->drmFD);
-
-    if (ctx->driverPrivate) {
-       free(ctx->driverPrivate);
-       ctx->driverPrivate = NULL;
-    }
-}
-
-
-static int mgaEngineShutdown( const DRIDriverContext *ctx )
-{
-   fprintf(stderr, "%s() is not yet implemented!\n", __FUNCTION__);
-
-   return 1;
-}
-
-static int mgaEngineRestore( const DRIDriverContext *ctx )
-{
-   fprintf(stderr, "%s() is not yet implemented!\n", __FUNCTION__);
-
-   return 1;
-}
-
-/**
- * \brief Exported driver interface for Mini GLX.
- *
- * \sa DRIDriverRec.
- */
-struct DRIDriverRec __driDriver = {
-   mgaValidateMode,
-   mgaPostValidateMode,
-   mgaInitFBDev,
-   mgaHaltFBDev,
-   mgaEngineShutdown,
-   mgaEngineRestore,
-   0
-};
-
-
-
-
-#if 0
-void MGADRICloseScreen( ScreenPtr pScreen )
-{
-   ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
-   MGAPtr pMga = MGAPTR(pScrn);
-   MGADRIServerPrivatePtr pMga = pMga->DRIServerInfo;
-   drmMGAInit init;
-
-   if ( pMga->drmBuffers ) {
-      drmUnmapBufs( pMga->drmBuffers );
-      pMga->drmBuffers = NULL;
-   }
-
-   if (pMga->irq) {
-      drmCtlUninstHandler(ctx->drmFD);
-      pMga->irq = 0;
-   }
-
-   /* Cleanup DMA */
-   memset( &init, 0, sizeof(drmMGAInit) );
-   init.func = MGA_CLEANUP_DMA;
-   drmCommandWrite( ctx->drmFD, DRM_MGA_INIT, &init, sizeof(drmMGAInit) );
-
-   if ( pMga->status.map ) {
-      drmUnmap( pMga->status.map, pMga->status.size );
-      pMga->status.map = NULL;
-   }
-   if ( pMga->buffers.map ) {
-      drmUnmap( pMga->buffers.map, pMga->buffers.size );
-      pMga->buffers.map = NULL;
-   }
-   if ( pMga->primary.map ) {
-      drmUnmap( pMga->primary.map, pMga->primary.size );
-      pMga->primary.map = NULL;
-   }
-   if ( pMga->warp.map ) {
-      drmUnmap( pMga->warp.map, pMga->warp.size );
-      pMga->warp.map = NULL;
-   }
-
-   if ( pMga->agpTextures.map ) {
-      drmUnmap( pMga->agpTextures.map, pMga->agpTextures.size );
-      pMga->agpTextures.map = NULL;
-   }
-
-   if ( pMga->agp.handle ) {
-      drmAgpUnbind( ctx->drmFD, pMga->agp.handle );
-      drmAgpFree( ctx->drmFD, pMga->agp.handle );
-      pMga->agp.handle = 0;
-      drmAgpRelease( ctx->drmFD );
-   }
-
-   DRICloseScreen( pScreen );
-
-   if ( pMga->pDRIInfo ) {
-      if ( pMga->pDRIpMga->devPrivate ) {
-	 xfree( pMga->pDRIpMga->devPrivate );
-	 pMga->pDRIpMga->devPrivate = 0;
-      }
-      DRIDestroyInfoRec( pMga->pDRIInfo );
-      pMga->pDRIInfo = 0;
-   }
-   if ( pMga->DRIServerInfo ) {
-      xfree( pMga->DRIServerInfo );
-      pMga->DRIServerInfo = 0;
-   }
-   if ( pMga->pVisualConfigs ) {
-      xfree( pMga->pVisualConfigs );
-   }
-   if ( pMga->pVisualConfigsPriv ) {
-      xfree( pMga->pVisualConfigsPriv );
-   }
-}
-#endif