Index: via_context.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/unichrome/via_context.c,v
retrieving revision 1.12
diff -u -r1.12 via_context.c
--- via_context.c	13 Oct 2004 22:36:26 -0000	1.12
+++ via_context.c	27 Nov 2004 22:56:07 -0000
@@ -326,7 +326,7 @@
 #ifdef DEBUG
     if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
 #endif
-    if (vmesa->dma[0].map && vmesa->dma[1].map)
+    if (vmesa->dma)
         via_free_dma_buffer(vmesa);
     
     if (!via_alloc_dma_buffer(vmesa)) {
@@ -350,22 +350,15 @@
 {
     GLuint *addr;
 
-    addr = (GLuint *)vmesa->dma[0].map;
-    *addr = 0xF210F110;
-    *addr = (HC_ParaType_NotTex << 16);
-    *addr = 0xcccccccc;
-    *addr = 0xdddddddd;
-    
-    addr = (GLuint *)vmesa->dma[1].map;
+    addr = (GLuint *)vmesa->dma;
     *addr = 0xF210F110;
     *addr = (HC_ParaType_NotTex << 16);
     *addr = 0xcccccccc;
     *addr = 0xdddddddd;
 
-    vmesa->dmaIndex = 0;
     vmesa->dmaLow = DMA_OFFSET;
-    vmesa->dmaHigh = vmesa->dma[0].size;
-    vmesa->dmaAddr = (unsigned char *)vmesa->dma[0].map;
+    vmesa->dmaHigh = VIA_DMA_BUFSIZ;
+    vmesa->dmaAddr = (unsigned char *)vmesa->dma;
     vmesa->dmaLastPrim = vmesa->dmaLow;
 }
 
@@ -381,7 +374,7 @@
     if (vmesa->depth.map)
         via_free_depth_buffer(vmesa);
 
-    if (vmesa->dma[0].map && vmesa->dma[1].map)
+    if (vmesa->dma)
         via_free_dma_buffer(vmesa);
 }
 
@@ -534,9 +527,6 @@
     vmesa->CurrentTexObj[0] = 0;
     vmesa->CurrentTexObj[1] = 0;
     
-    vmesa->dma[0].size = DMA_SIZE * 1024 * 1024;
-    vmesa->dma[1].size = DMA_SIZE * 1024 * 1024;
-
     _math_matrix_ctr(&vmesa->ViewportMatrix);
 
    driInitExtensions( ctx, card_extensions, GL_TRUE );
@@ -640,35 +630,13 @@
 viaDestroyContext(__DRIcontextPrivate *driContextPriv)
 {
     viaContextPtr vmesa = (viaContextPtr)driContextPriv->driverPrivate;
-    /*=* John Sheng [2003.12.9] Tuxracer & VQ *=*/
-    __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
-    viaScreenPrivate *viaScreen = (viaScreenPrivate *)sPriv->private;
 #ifdef DEBUG
     if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);    
 #endif
     assert(vmesa); /* should never be null */
     viaFlushPrimsLocked(vmesa);
     WAIT_IDLE
-    /*=* John Sheng [2003.12.9] Tuxracer & VQ *=*/
-    /* Enable VQ */
-    if (viaScreen->VQEnable) {
-	*vmesa->regTranSet = 0x00fe0000;
-	*vmesa->regTranSet = 0x00fe0000;
-	*vmesa->regTranSpace = 0x00000006;
-	*vmesa->regTranSpace = 0x40008c0f;
-	*vmesa->regTranSpace = 0x44000000;
-	*vmesa->regTranSpace = 0x45080c04;
-	*vmesa->regTranSpace = 0x46800408;
-    }
     if (vmesa) {
-	/*=* John Sheng [2003.5.31] flip *=*/
-	if(vmesa->doPageFlip) {
-	    *((volatile GLuint *)((GLuint)vmesa->regMMIOBase + 0x43c)) = 0x00fe0000;
-	    *((volatile GLuint *)((GLuint)vmesa->regMMIOBase + 0x440)) = 0x00001004;
-	    WAIT_IDLE
-	    *((volatile GLuint *)((GLuint)vmesa->regMMIOBase + 0x214)) = 0;
-	}
-	/*=* John Sheng [2003.5.31]  agp tex *=*/
 	if(VIA_DEBUG) fprintf(stderr, "agpFullCount = %d\n", agpFullCount);    
 	
 	_swsetup_DestroyContext(vmesa->glCtx);
Index: via_context.h
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/unichrome/via_context.h,v
retrieving revision 1.8
diff -u -r1.8 via_context.h
--- via_context.h	8 Oct 2004 01:15:52 -0000	1.8
+++ via_context.h	27 Nov 2004 22:56:07 -0000
@@ -69,7 +69,8 @@
 #define VIA_UPLOAD_DEPTHBUFFER		0x0800
 #define VIA_UPLOAD_ENABLE		0x0800
 #define VIA_UPLOAD_ALL 		  	0x1000
-  		
+
+#define VIA_DMA_BUFSIZ                  512000  		
 /* Use the templated vertex formats:
  */
 #define TAG(x) via##x
@@ -121,7 +122,7 @@
     GLboolean hasAccum;
     GLuint    depthBits;
     GLuint    stencilBits;
-    viaDmaBuffer dma[2];
+    GLuint    *dma;
     viaRegion tex;
     
     GLuint isAGP;
@@ -157,7 +158,6 @@
     /* drmBufPtr dma_buffer;
     */
     unsigned char* dmaAddr;
-    GLuint dmaIndex;
     GLuint dmaLow;
     GLuint dmaHigh;
     GLuint dmaLastPrim;
@@ -297,8 +297,6 @@
     volatile GLuint* regTranSpace;
     GLuint* agpBase;
     GLuint drawType;
-    /*=* John Sheng [2003.12.9] Tuxracer & VQ *=*/
-    int VQEnable;
 };
 /*#define DMA_OFFSET 16*/
 #define DMA_OFFSET 32
Index: via_fb.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/unichrome/via_fb.c,v
retrieving revision 1.2
diff -u -r1.2 via_fb.c
--- via_fb.c	23 Feb 2004 21:07:12 -0000	1.2
+++ via_fb.c	27 Nov 2004 22:56:07 -0000
@@ -27,6 +27,7 @@
 #include "via_context.h"
 #include "via_ioctl.h"
 #include "via_fb.h"
+#include "xf86drm.h"
 #include <sys/ioctl.h>
 
 GLboolean
@@ -170,101 +171,34 @@
 GLboolean
 via_alloc_dma_buffer(viaContextPtr vmesa)
 {
-    drm_via_mem_t fb;
-    drmVIADMABuf dma;
+  drmVIADMAInit init;
+
 #ifdef DEBUG    
     if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
 #endif
-    if (vmesa->viaScreen->agpLinearStart) {
-	/* Allocate DMA in AGP memory*/
-	fb.context = vmesa->hHWContext;
-	fb.size = vmesa->dma[0].size;
-	fb.type = AGP;
-	if (!ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
-	    vmesa->dma[0].offset = fb.offset;
-	    vmesa->dma[0].index = fb.index;
-	    vmesa->dma[0].map = (unsigned char *)((GLuint)vmesa->viaScreen->agpLinearStart + fb.offset);
-	    if (!ioctl(vmesa->driFd, DRM_IOCTL_VIA_ALLOCMEM, &fb)) {
-		vmesa->dma[1].offset = fb.offset;
-		vmesa->dma[1].index = fb.index;
-		vmesa->dma[1].map = (unsigned char *)((GLuint)vmesa->viaScreen->agpLinearStart + fb.offset); 	
-		vmesa->useAgp = GL_TRUE;
-		
-		return GL_TRUE;
-	    } 
-	    else {
-		/* release dma[0]*/
-		return GL_FALSE;		
-	    }
-	}
-	return GL_FALSE;	
-    } 
-    else {
-	/* Allocate DMA in System memory */
-	dma.size = vmesa->dma[0].size;
+    vmesa->dma = (GLuint *) malloc(VIA_DMA_BUFSIZ);
+    init.func = VIA_DMA_INITIALIZED;
 
-	if (drmVIAAllocateDMA(vmesa->driFd,&dma) < 0) {
-	    return GL_FALSE;
-	}
-
-	vmesa->dma[0].offset = 0;
-	vmesa->dma[0].map = (unsigned char *)dma.address;
-	vmesa->dma[0].index = dma.index;
-
-	drmVIAAllocateDMA(vmesa->driFd, &dma);
-
-	vmesa->dma[1].offset = 0;
-	vmesa->dma[1].map = (unsigned char *)dma.address;
-	vmesa->dma[1].index = dma.index;
-	vmesa->useAgp = GL_FALSE;
-	
-	return GL_TRUE;
-    }
+    vmesa->useAgp = 
+      ( 0 == drmCommandWrite(vmesa->driFd, DRMCMD_VIA_DMA_INIT, 
+			     &init, sizeof(init)));
+    if (vmesa->useAgp) 
+      printf("Using AGP\n");
+    else
+      printf("Using PCI\n");
+      
 #ifdef DEBUG    
     if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
 #endif
+    return ((vmesa->dma) ? GL_TRUE : GL_FALSE);
 }
 
 void
 via_free_dma_buffer(viaContextPtr vmesa)
 {
-    drmVIADMABuf dma;
-    drm_via_mem_t fb;
-    
-    
     if (!vmesa) return;
-    
-    /* Release AGP command buffer */
-    if (vmesa->useAgp) {
-	fb.context = vmesa->hHWContext;
-	fb.index = vmesa->dma[0].index;
-	fb.type = AGP;
-	ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
-	vmesa->dma[0].map = NULL;    
-	fb.index = vmesa->dma[1].index;
-	ioctl(vmesa->driFd, DRM_IOCTL_VIA_FREEMEM, &fb);
-	vmesa->dma[1].map = NULL;    
-    }
-    /* Release System command buffer */
-    else {
-	/*=* John Sheng [2003.7.18] viewperf frames/sec *=*/
-	/*dma.address = (unsigned long *)vmesa->dma[0].offset;*/
-	dma.address = (unsigned long *)vmesa->dma[0].map;
-	/*=* John Sheng [2003.6.16] fix pci path *=*/
-	dma.size = (unsigned int)vmesa->dma[0].size;
-	drmVIAReleaseDMA(vmesa->driFd, &dma);
-	/*=* John Sheng [2003.7.18] viewperf frames/sec *=*/
-	/*dma.address = (unsigned long *)vmesa->dma[1].offset;*/
-	dma.address = (unsigned long *)vmesa->dma[1].map;
-	/*=* John Sheng [2003.6.16] fix pci path *=*/
-	dma.size = (unsigned int)vmesa->dma[1].size;
-	drmVIAReleaseDMA(vmesa->driFd, &dma);
-	/*=* John Sheng [2003.7.18] viewperf frames/sec *=*/
-	/*vmesa->dma[0].offset = 0;
-	vmesa->dma[1].offset = 0;*/
-	vmesa->dma[0].map = 0;
-	vmesa->dma[1].map = 0;
-    }
+    free(vmesa->dma);
+    vmesa->dma = 0;
 } 
 
 GLboolean
Index: via_ioctl.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.c,v
retrieving revision 1.6
diff -u -r1.6 via_ioctl.c
--- via_ioctl.c	8 Oct 2004 01:15:52 -0000	1.6
+++ via_ioctl.c	27 Nov 2004 22:56:07 -0000
@@ -1,27 +1,4 @@
-#/*
- * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
- * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
- * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
- * VIA, S3 GRAPHICS, 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.
- */
-#include <stdio.h>
+
 #include <unistd.h>
 
 #include "glheader.h"
@@ -36,7 +13,9 @@
 #include "via_state.h"
 
 #include "drm.h"
+#include "xf86drm.h"
 #include <sys/ioctl.h>
+#include <errno.h>
 
 GLuint FrameCount = 0;
 GLuint dmaLow = 0;
@@ -526,7 +505,6 @@
     drm_clip_rect_t *pbox = (drm_clip_rect_t *)vmesa->pClipRects;
     int nbox = vmesa->numClipRects;
     drm_via_sarea_t *sarea = vmesa->sarea;
-    drm_via_flush_agp_t agpCmd;
     drm_via_flush_sys_t sysCmd;
     GLuint *vb = viaCheckDma(vmesa, 0);
     int i;
@@ -534,7 +512,7 @@
     if (vmesa->dmaLow == DMA_OFFSET) {
     	return;
     }
-    if (vmesa->dmaLow > 2097152)
+    if (vmesa->dmaLow > (VIA_DMA_BUFSIZ - 256))
 	fprintf(stderr, "buffer overflow in Flush Prims = %d\n",vmesa->dmaLow);
     
     switch (vmesa->dmaLow & 0x1F) {	
@@ -573,26 +551,15 @@
 	break;
     }
     
-    if (vmesa->useAgp) {
-	agpCmd.offset = 0x0;
-	agpCmd.size = vmesa->dmaLow;
-	agpCmd.index = vmesa->dma[vmesa->dmaIndex].index;
-	agpCmd.discard = 0;
-    } 
-    else {
-	sysCmd.offset = 0x0;
-	sysCmd.size = vmesa->dmaLow;
-	sysCmd.index = (GLuint)vmesa->dma[vmesa->dmaIndex].map;
-	sysCmd.discard = 0;
-    }
+    sysCmd.offset = 0x0;
+    sysCmd.size = vmesa->dmaLow;
+    sysCmd.index = (GLuint)vmesa->dma;
+    sysCmd.discard = 0;
     
     sarea->vertexPrim = vmesa->hwPrimitive;
 
     if (!nbox) {
-	if (vmesa->useAgp)
-	    agpCmd.size = 0;
-	else
-	    sysCmd.size = 0;
+      sysCmd.size = 0;
     }
     else if (nbox > VIA_NR_SAREA_CLIPRECTS) {
         vmesa->uploadCliprects = GL_TRUE;
@@ -617,14 +584,8 @@
         else
             sarea->nbox = nbox;
 
-	if (vmesa->useAgp) {
-    	    agpCmd.discard = 1;
-	    flush_agp(vmesa, &agpCmd);
-	}
-	else {
-	    sysCmd.discard = 1;
-	    flush_sys(vmesa, &sysCmd);
-	}
+	sysCmd.discard = 1;
+	flush_sys(vmesa, &sysCmd);
     }
     else {
 	GLuint scrn;
@@ -652,7 +613,7 @@
             	    }
             	    if (!sarea->nbox) {
                 	if (nr < nbox) continue;
-                	agpCmd.size = 0;
+                	sysCmd.size = 0;
             	    }
         	}
         	else {
@@ -680,7 +641,7 @@
             	    }
             	    if (!sarea->nbox) {
                 	if (nr < nbox) continue;
-                	agpCmd.size = 0;
+                	sysCmd.size = 0;
             	    }
         	}
         	else {
@@ -711,7 +672,7 @@
             	    }
             	    if (!sarea->nbox) {
                 	if (nr < nbox) continue;
-                	agpCmd.size = 0;
+                	sysCmd.size = 0;
             	    }
         	}
         	else {
@@ -726,14 +687,8 @@
 	    }
 
             if (nr == nbox) {
-		if (vmesa->useAgp) {
-            	    agpCmd.discard = 1;
-		    flush_agp(vmesa, &agpCmd);
-		} 
-		else {
-		    sysCmd.discard = 1;
-		    flush_sys(vmesa, &sysCmd);
-		}
+	      sysCmd.discard = 1;
+	      flush_sys(vmesa, &sysCmd);
 	    }
 
 	    if (scrn == (S0 | S1)) {
@@ -757,7 +712,7 @@
             		}
             		if (!sarea->nbox) {
                 	    if (nr < nbox) continue;
-                	    agpCmd.size = 0;
+                	    sysCmd.size = 0;
             		}
         	    }
         	    else {
@@ -770,7 +725,7 @@
             		}
         	    }
 		}
-		flush_agp_saam(vmesa, &agpCmd);
+		flush_sys(vmesa, &sysCmd);
 	    }
         }
     }
@@ -790,18 +745,9 @@
     /* Reset vmesa vars:
      */
     vmesa->dmaLow = DMA_OFFSET;
-    if (vmesa->dmaIndex) {
-        vmesa->dmaAddr = vmesa->dma[0].map;
-        vmesa->dmaHigh = vmesa->dma[0].size;
-        vmesa->dmaLastPrim = DMA_OFFSET;
-	vmesa->dmaIndex = 0;
-    }
-    else {
-        vmesa->dmaAddr = vmesa->dma[1].map;
-        vmesa->dmaHigh = vmesa->dma[1].size;
-        vmesa->dmaLastPrim = DMA_OFFSET;
-	vmesa->dmaIndex = 1;	
-    }
+    vmesa->dmaAddr = (unsigned char *)vmesa->dma;
+    vmesa->dmaHigh = VIA_DMA_BUFSIZ;
+    vmesa->dmaLastPrim = DMA_OFFSET;
 }
 
 void viaFlushPrims(viaContextPtr vmesa)
@@ -810,9 +756,9 @@
     if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__);
 #endif
     if (vmesa->dmaLow) {
-        LOCK_HARDWARE(vmesa);
+      LOCK_HARDWARE(vmesa); 
         viaFlushPrimsLocked(vmesa);
-        UNLOCK_HARDWARE(vmesa);
+      UNLOCK_HARDWARE(vmesa);
     }
 #ifdef DEBUG    
     if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__);
@@ -1436,504 +1382,16 @@
 }
 
 
-int flush_agp(viaContextPtr vmesa, drm_via_flush_agp_t* agpCmd) 
-{   
-    GLuint *pnAGPCurrentPhysStart;
-    GLuint *pnAGPCurrentPhysEnd;
-    GLuint *pnAGPCurrentStart;
-    GLuint *pnAGPCurrentEnd;
-    volatile GLuint *pnMMIOBase;
-    volatile GLuint *pnEngBaseTranSet;
-    volatile GLuint *pnEngBaseTranSpace;
-    GLuint *agpBase;
-    GLuint ofs = vmesa->dma[vmesa->dmaIndex].offset;
-    GLuint *vb = (GLuint *)vmesa->dmaAddr; 
-    GLuint i = 0;
-    
-    pnMMIOBase = vmesa->regMMIOBase;
-    pnEngBaseTranSet = vmesa->regTranSet;
-    pnEngBaseTranSpace = vmesa->regTranSpace;
-    *pnEngBaseTranSet = (0x0010 << 16);
-    agpBase = vmesa->agpBase;
-
-    if (!agpCmd->size) {
-        return -1;
-    }	
-
-    {
-        volatile GLuint *pnEngBase = vmesa->regEngineStatus;
-        int nStatus;
-	
-        while (1) {
-            nStatus = *pnEngBase;
-	    if ((nStatus & 0xFFFEFFFF) == 0x00020000)
-		break;
-	    i++;
-        }
-    }
-
-    pnAGPCurrentStart = (GLuint *)(ofs + agpCmd->offset);
-    pnAGPCurrentEnd = (GLuint *)((GLuint)pnAGPCurrentStart + vmesa->dmaHigh);
-    pnAGPCurrentPhysStart = (GLuint *)( (GLuint)pnAGPCurrentStart + (GLuint)agpBase );
-    pnAGPCurrentPhysEnd = (GLuint *)( (GLuint)pnAGPCurrentEnd + (GLuint)agpBase );
-
-    /*=* [DBG] make draw to front buffer *=*/
-    if(DRAW_FRONT)
-	vmesa->glCtx->Color._DrawDestMask[0] = __GL_FRONT_BUFFER_MASK;
-    
-    if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
-	
-	*vb++ = HC_HEADER2;
-	*vb++ = (HC_ParaType_NotTex << 16);
-	if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
-	    *vb++ = (HC_SubA_HClipTB << 24) | 0x0;
-	    *vb++ = (HC_SubA_HClipLR << 24) | 0x0;
-	}
-	else {
-	    *vb++ = ((HC_SubA_HClipTB << 24) | (0x0 << 12) | vmesa->driDrawable->h);
-	    *vb++ = ((HC_SubA_HClipLR << 24) | (vmesa->drawXoff << 12) | (vmesa->driDrawable->w + vmesa->drawXoff));
-	}
-
-	{    
-    	    GLuint pitch, format, offset;
-        
-    	    if (vmesa->viaScreen->bitsPerPixel == 0x20) {
-        	format = HC_HDBFM_ARGB8888;
-    	    }           
-    	    else if (vmesa->viaScreen->bitsPerPixel == 0x10) {
-        	format = HC_HDBFM_RGB565;
-    	    }
-    	    else
-    	    {
-    	    	return -1;
-    	    }
-
-	    offset = vmesa->back.offset;
-	    pitch = vmesa->back.pitch;
-	    
-    	    *vb++ = ((HC_SubA_HDBBasL << 24) | (offset & 0xFFFFFF));
-	    *vb++ = ((HC_SubA_HDBBasH << 24) | ((offset & 0xFF000000)) >> 24);      
-    	    *vb++ = ((HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch);            
-    	    *vb++ = 0xcccccccc;
-	}
-	
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBstL << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysStart) & 0xFFFFFF);
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBendL << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysEnd) & 0xFFFFFF);
-	*pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
-    	    ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24;
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBpH << 24) |
-    	    ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFF000000) >> 24;
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBpL << 24) |
-    	    ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFFFFFF) |
-    	    HC_HAGPBpID_STOP;
-	*pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
-                ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
-                ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24 |
-                HC_HAGPCMNT_MASK;
-    }
-    else {
-	GLuint *head;
-	GLuint clipL, clipR, clipT, clipB;
-	drm_clip_rect_t *b = vmesa->sarea->boxes;
-	*vb++ = HC_HEADER2;
-	*vb++ = (HC_ParaType_NotTex << 16);
-	head = vb;
-	
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBstL << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysStart) & 0xFFFFFF);
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBendL << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysEnd) & 0xFFFFFF);
-	*pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
-    	    ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24;
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBpH << 24) |
-    	    ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFF000000) >> 24;
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBpL << 24) |
-    	    ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFFFFFF) |
-    	    HC_HAGPBpID_STOP;
-	
-	for (i = 0; i < vmesa->sarea->nbox; i++) {        
-	    if (1) {
-    		volatile GLuint *pnEngBase = vmesa->regEngineStatus;
-    		int nStatus;
-		
-    		while (1) {
-        	    nStatus = *pnEngBase;
-		    if ((nStatus & 0xFFFEFFFF) == 0x00020000)
-			break;
-    		}
-	    }
-	    
-	    clipL = b->x1 + vmesa->drawXoff;
-	    clipR = b->x2;	    
-	    clipT = b->y1;
-	    clipB = b->y2;
-#ifdef DEBUG
-	    if (VIA_DEBUG) fprintf(stderr, "clip = %d\n", i);
-#endif
-	    if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
-
-		*vb = (HC_SubA_HClipTB << 24) | 0x0;
-		vb++;
-		
-		*vb = (HC_SubA_HClipLR << 24) | 0x0;
-		vb++;
-	    }
-	    else {
-		*vb = (HC_SubA_HClipTB << 24) | (clipT << 12) | clipB;
-		vb++;
-		
-		*vb = (HC_SubA_HClipLR << 24) | (clipL << 12) | clipR;
-		vb++;
-	    }
-
-	    {    
-    		GLuint pitch, format, offset;
-    		GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
-        
-    		if (vmesa->viaScreen->bitsPerPixel == 0x20) {
-        	    format = HC_HDBFM_ARGB8888;
-    		}           
-    		else if (vmesa->viaScreen->bitsPerPixel == 0x10) {
-        	    format = HC_HDBFM_RGB565;
-    		}           
-    		else
-    			return -1;
-        
-		pitch = vmesa->front.pitch;
-		offset = vmesa->viaScreen->fbOffset + (vmesa->drawY * pitch + vmesa->drawX * bytePerPixel);
-		offset = offset & 0xffffffe0;
-            
-    		*vb++ = ((HC_SubA_HDBBasL << 24) | (offset & 0xFFFFFF));
-		*vb++ = ((HC_SubA_HDBBasH << 24) | ((offset & 0xFF000000)) >> 24);      
-    		*vb++ = ((HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch);            
-    		*vb++ = 0xcccccccc;
-	    }
-	    *pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
-                ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
-                ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24 |
-                HC_HAGPCMNT_MASK;
-#ifdef DEBUG		
-	    if (VIA_DEBUG) {
-		GLuint i;
-		GLuint *data = (GLuint *)vmesa->dmaAddr;
-		for (i = 0; i < vmesa->dmaLow; i += 16) {
-        	    fprintf(stderr, "%08x  ", *data++);
-		    fprintf(stderr, "%08x  ", *data++);
-		    fprintf(stderr, "%08x  ", *data++);
-		    fprintf(stderr, "%08x\n", *data++);
-		}
-		fprintf(stderr, "******************************************\n");
-	    }
-#endif
-	    b++;	
-	    vb = head;
-	}
-    }
-
-#ifdef DEBUG
-    if (VIA_DEBUG) {
-        volatile GLuint *pnEngBase = (volatile GLuint *)((GLuint)pnMMIOBase + 0x400);
-        int nStatus;
-	int i = 0;
-
-        while (1) {
-            nStatus = *pnEngBase;
-	    if ((nStatus & 0xFFFEFFFF) == 0x00020000) {
-		break;
-	    }
-	    else {
-		GLuint j;
-		GLuint *data;
-		/* dump current command buffer */
-		data = (GLuint *)vmesa->dmaAddr;
-
-		if (i == 500000) {
-		    fprintf(stderr, "current command buffer");
-		    fprintf(stderr, "i = %d\n", i);
-		    for (j = 0; j < vmesa->dmaLow; j += 16) {
-        	        fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x\n", *data++);
-		    }
-		}
-		/* dump previous command buffer */
-		if (vmesa->dmaIndex) {
-		    data = (GLuint *)vmesa->dma[0].map;
-		}
-		else {
-		    data = (GLuint *)vmesa->dma[1].map;
-		}
-		if (i == 500000) {
-		    fprintf(stderr, "previous command buffer");
-		    fprintf(stderr, "i = %d\n", i);
-		    for (j = 0; j < dmaLow; j += 16) {
-        		fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x\n", *data++);
-		    }
-		}
-	    }
-	    i++;
-        }
-    }
-#endif
-    dmaLow = vmesa->dmaLow; 
-    return 0;
-}
-
-int flush_agp_saam(viaContextPtr vmesa, drm_via_flush_agp_t* agpCmd) 
-{   
-    GLuint *pnAGPCurrentPhysStart;
-    GLuint *pnAGPCurrentPhysEnd;
-    GLuint *pnAGPCurrentStart;
-    GLuint *pnAGPCurrentEnd;
-    volatile GLuint *pnMMIOBase;
-    volatile GLuint *pnEngBaseTranSet;
-    volatile GLuint *pnEngBaseTranSpace;
-    GLuint *agpBase;
-    GLuint ofs = vmesa->dma[vmesa->dmaIndex].offset;
-    GLuint *vb = (GLuint *)vmesa->dmaAddr; 
-    GLuint i = 0;
-    
-    pnMMIOBase = vmesa->regMMIOBase;
-    pnEngBaseTranSet = vmesa->regTranSet;
-    pnEngBaseTranSpace = vmesa->regTranSpace;
-    *pnEngBaseTranSet = (0x0010 << 16);
-    agpBase = vmesa->agpBase;
-
-    if (!agpCmd->size) {
-        return -1;
-    }	
-
-    {
-        volatile GLuint *pnEngBase = vmesa->regEngineStatus;
-        int nStatus;
-	
-        while (1) {
-            nStatus = *pnEngBase;
-	    if ((nStatus & 0xFFFEFFFF) == 0x00020000)
-		break;
-	    i++;
-        }
-    }
-
-    pnAGPCurrentStart = (GLuint *)(ofs + agpCmd->offset);
-    pnAGPCurrentEnd = (GLuint *)((GLuint)pnAGPCurrentStart + vmesa->dmaHigh);
-    pnAGPCurrentPhysStart = (GLuint *)( (GLuint)pnAGPCurrentStart + (GLuint)agpBase );
-    pnAGPCurrentPhysEnd = (GLuint *)( (GLuint)pnAGPCurrentEnd + (GLuint)agpBase );
-
-    /*=* [DBG] make draw to front buffer *=*/
-    if(DRAW_FRONT)
-	vmesa->glCtx->Color._DrawDestMask[0] = __GL_FRONT_BUFFER_MASK;
-    
-    if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
-	
-	*vb++ = HC_HEADER2;
-	*vb++ = (HC_ParaType_NotTex << 16);
-	if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
-	    *vb++ = (HC_SubA_HClipTB << 24) | 0x0;
-	    *vb++ = (HC_SubA_HClipLR << 24) | 0x0;
-	}
-	else {
-	    *vb++ = ((HC_SubA_HClipTB << 24) | (0x0 << 12) | vmesa->driDrawable->h);
-	    *vb++ = ((HC_SubA_HClipLR << 24) | (vmesa->drawXoff << 12) | (vmesa->driDrawable->w + vmesa->drawXoff));
-	}
-
-	{    
-    	    GLuint pitch, format, offset;
-        
-    	    if (vmesa->viaScreen->bitsPerPixel == 0x20) {
-        	format = HC_HDBFM_ARGB8888;
-    	    }           
-    	    else if (vmesa->viaScreen->bitsPerPixel == 0x10) {
-        	format = HC_HDBFM_RGB565;
-    	    }           
-    	    else
-    	    	return -1;
-        
-    	    offset = vmesa->back.offset;
-	    pitch = vmesa->back.pitch;
-            
-    	    *vb++ = ((HC_SubA_HDBBasL << 24) | (offset & 0xFFFFFF));
-	    *vb++ = ((HC_SubA_HDBBasH << 24) | ((offset & 0xFF000000)) >> 24);      
-    	    *vb++ = ((HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch);            
-    	    *vb++ = 0xcccccccc;
-	}
-	
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBstL << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysStart) & 0xFFFFFF);
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBendL << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysEnd) & 0xFFFFFF);
-	*pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
-    	    ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24;
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBpH << 24) |
-    	    ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFF000000) >> 24;
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBpL << 24) |
-    	    ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFFFFFF) |
-    	    HC_HAGPBpID_STOP;
-	*pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
-                ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
-                ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24 |
-                HC_HAGPCMNT_MASK;
-    }
-    else {
-	GLuint *head;
-	GLuint clipL, clipR, clipT, clipB;
-	drm_clip_rect_t *b = vmesa->sarea->boxes;
-	*vb++ = HC_HEADER2;
-	*vb++ = (HC_ParaType_NotTex << 16);
-	head = vb;
-	
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBstL << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysStart) & 0xFFFFFF);
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBendL << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysEnd) & 0xFFFFFF);
-	*pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
-    	    ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
-    	    ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24;
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBpH << 24) |
-    	    ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFF000000) >> 24;
-	*pnEngBaseTranSpace = (HC_SubA_HAGPBpL << 24) |
-    	    ((GLuint)((GLbyte *)pnAGPCurrentPhysStart + agpCmd->size - 4) & 0xFFFFFF) |
-    	    HC_HAGPBpID_STOP;
-	
-	for (i = 0; i < vmesa->sarea->nbox; i++) {        
-	    if (1) {
-    		volatile GLuint *pnEngBase = vmesa->regEngineStatus;
-    		int nStatus;
-		
-    		while (1) {
-        	    nStatus = *pnEngBase;
-		    if ((nStatus & 0xFFFEFFFF) == 0x00020000)
-			break;
-    		}
-	    }
-	    
-	    clipL = b->x1 + vmesa->drawXoff;
-	    clipR = b->x2;
-	    clipT = b->y1;
-	    clipB = b->y2;
-#ifdef DEBUG
-	    if (VIA_DEBUG) fprintf(stderr, "clip = %d\n", i);
-#endif
-	    if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
-
-		*vb = (HC_SubA_HClipTB << 24) | 0x0;
-		vb++;
-		
-		*vb = (HC_SubA_HClipLR << 24) | 0x0;
-		vb++;
-	    }
-	    else {
-		*vb = (HC_SubA_HClipTB << 24) | (clipT << 12) | clipB;
-		vb++;
-		
-		*vb = (HC_SubA_HClipLR << 24) | (clipL << 12) | clipR;
-		vb++;
-	    }
-
-	    {    
-    		GLuint pitch, format, offset;
-    		GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
-        
-    		if (vmesa->viaScreen->bitsPerPixel == 0x20) {
-        	    format = HC_HDBFM_ARGB8888;
-    		}           
-    		else if (vmesa->viaScreen->bitsPerPixel == 0x10) {
-        	    format = HC_HDBFM_RGB565;
-    		}           
-    		else
-    			return -1;
-        
-		pitch = vmesa->front.pitch;
-		offset = vmesa->viaScreen->fbOffset + (vmesa->drawY * pitch + vmesa->drawX * bytePerPixel);
-		offset = offset & 0xffffffe0;
-            
-    		*vb++ = ((HC_SubA_HDBBasL << 24) | (offset & 0xFFFFFF));
-		*vb++ = ((HC_SubA_HDBBasH << 24) | ((offset & 0xFF000000)) >> 24);      
-    		*vb++ = ((HC_SubA_HDBFM << 24) | HC_HDBLoc_Local | format | pitch);            
-    		*vb++ = 0xcccccccc;
-	    }
-	    *pnEngBaseTranSpace = (HC_SubA_HAGPCMNT << 24) |
-                ((GLuint)(pnAGPCurrentPhysEnd) & 0xFF000000) >> 16 |
-                ((GLuint)(pnAGPCurrentPhysStart) & 0xFF000000) >> 24 |
-                HC_HAGPCMNT_MASK;
-#ifdef DEBUG		
-	    if (VIA_DEBUG) {
-		GLuint i;
-		GLuint *data = (GLuint *)vmesa->dmaAddr;
-		for (i = 0; i < vmesa->dmaLow; i += 16) {
-        	    fprintf(stderr, "%08x  ", *data++);
-		    fprintf(stderr, "%08x  ", *data++);
-		    fprintf(stderr, "%08x  ", *data++);
-		    fprintf(stderr, "%08x\n", *data++);
-		}
-		fprintf(stderr, "******************************************\n");
-	    }
-#endif
-	    b++;	
-	    vb = head;
-	}
-    }
-    
-#ifdef DEBUG
-    if (VIA_DEBUG) {
-        volatile GLuint *pnEngBase = (GLuint *)((GLuint)pnMMIOBase + 0x400);
-        int nStatus;
-	int i = 0;
-
-        while (1) {
-            nStatus = *pnEngBase;
-	    if ((nStatus & 0xFFFEFFFF) == 0x00020000) {
-		break;
-	    }
-	    else {
-		GLuint j;
-		GLuint *data;
-		/* dump current command buffer */
-		data = (GLuint *)vmesa->dmaAddr;
-
-		if (i == 500000) {
-		    fprintf(stderr, "current command buffer");
-		    fprintf(stderr, "i = %d\n", i);
-		    for (j = 0; j < vmesa->dmaLow; j += 16) {
-        	        fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x\n", *data++);
-		    }
-		}
-		/* dump previous command buffer */
-		if (vmesa->dmaIndex) {
-		    data = (GLuint *)vmesa->dma[0].map;
-		}
-		else {
-		    data = (GLuint *)vmesa->dma[1].map;
-		}
-		if (i == 500000) {
-		    fprintf(stderr, "previous command buffer");
-		    fprintf(stderr, "i = %d\n", i);
-		    for (j = 0; j < dmaLow; j += 16) {
-        		fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x  ", *data++);
-			fprintf(stderr, "%08x\n", *data++);
-		    }
-		}
-	    }
-	    i++;
-        }
-    }
-#endif
-    dmaLow = vmesa->dmaLow; 
-    return 0;
+static void wait_reg_idle(viaContextPtr vmesa)
+{
+  volatile GLuint *pnEngBase = vmesa->regEngineStatus;
+  int nStatus;
+  
+  while (1) {
+    nStatus = *pnEngBase;
+    if ((nStatus & 0xFFFEFFFF) == 0x00020000)
+      break;
+  }
 }
 
 int flush_sys(viaContextPtr vmesa, drm_via_flush_sys_t* buf) 
@@ -1942,16 +1400,12 @@
     GLuint *pnBuf;
     GLuint *pnEnd;
     volatile GLuint *pnMMIOBase;
-    volatile GLuint *pnEngBaseTranSet;
-    volatile GLuint *pnEngBaseTranSpace;
-    GLuint uCheck2DCmd = GL_TRUE;
-    GLuint addr;
     GLuint *vb = (GLuint *)vmesa->dmaAddr; 
     GLuint i = 0;
+    drmVIACommandBuffer bufI;
+    int ret;
     
     pnMMIOBase = vmesa->regMMIOBase;
-    pnEngBaseTranSet = vmesa->regTranSet;
-    pnEngBaseTranSpace = vmesa->regTranSpace;
     
     pnBuf = (GLuint *)(buf->index + buf->offset);
     pnEnd = (GLuint *)((GLuint)pnBuf + buf->size);	
@@ -1960,37 +1414,11 @@
     if(DRAW_FRONT)
 	vmesa->glCtx->Color._DrawDestMask[0] = __GL_FRONT_BUFFER_MASK;
     
-    
-    /*=* John Sheng [2003.6.20] fix pci *=*/
-    {
-        volatile GLuint *pnEngBase = vmesa->regEngineStatus;
-        int nStatus;
-	
-        while (1) {
-            nStatus = *pnEngBase;
-	    if ((nStatus & 0xFFFEFFFF) == 0x00020000)
-		break;
-	    i++;
-        }
-    }
-    /*=* John Sheng [2003.12.9] Tuxracer & VQ *=*/
-    /*=* Disable VQ *=*/
-    if (vmesa->VQEnable)
-    {
-	WAIT_IDLE
-	*vmesa->regTranSet = 0x00fe0000;
-	*vmesa->regTranSet = 0x00fe0000;
-	*vmesa->regTranSpace = 0x00000004;
-	*vmesa->regTranSpace = 0x40008c0f;
-	*vmesa->regTranSpace = 0x44000000;
-	*vmesa->regTranSpace = 0x45080c04;
-	*vmesa->regTranSpace = 0x46800408;
-	vmesa->VQEnable = 0;
-    }
     if (vmesa->glCtx->Color._DrawDestMask[0] == __GL_BACK_BUFFER_MASK) {
+	wait_reg_idle(vmesa);
 	*vb++ = HC_HEADER2;
 	*vb++ = (HC_ParaType_NotTex << 16);
-	
+	  
 	if (vmesa->driDrawable->w == 0 || vmesa->driDrawable->h == 0) {
 	    *vb++ = (HC_SubA_HClipTB << 24) | 0x0;
 	    *vb++ = (HC_SubA_HClipLR << 24) | 0x0;
@@ -2022,38 +1450,20 @@
     	    *vb++ = 0xcccccccc;
 	}
 	
-	while (pnBuf != pnEnd) {	
-	    if (*pnBuf == HALCYON_HEADER2) {
-		pnBuf++;
-		if (*pnBuf == HALCYON_SUB_ADDR0) {
-		    *pnEngBaseTranSet = *pnBuf;
-		    pnBuf++;
-		    uCheck2DCmd = GL_FALSE;
-		}
-		else {
-		    *pnEngBaseTranSet = *pnBuf;
-		    pnBuf++;
-    		    uCheck2DCmd = GL_TRUE;
-		}
-	    }
-	    else if (uCheck2DCmd && ((*pnBuf&HALCYON_HEADER1MASK)==HALCYON_HEADER1)) {
-		addr = ((*pnBuf)&0x0000001f) << 2;
-		pnBuf++;
-		*((GLuint*)((GLuint)pnMMIOBase+addr)) = *pnBuf;
-		pnBuf++;
-	    }
-	    else if ((*pnBuf&HALCYON_FIREMASK) == HALCYON_FIRECMD) {
-		*pnEngBaseTranSpace = *pnBuf;
-		pnBuf++;
-		if ((pnBuf!=pnEnd)&&((*pnBuf&HALCYON_FIREMASK)==HALCYON_FIRECMD))
-		    pnBuf++;
-		if ((*pnBuf&HALCYON_CMDBMASK) != HC_ACMD_HCmdB)
-		    uCheck2DCmd = GL_TRUE;
-	    }
-	    else {
-		*pnEngBaseTranSpace = *pnBuf;
-		pnBuf++;
-	    }
+	bufI.buf = (char *) pnBuf;
+	bufI.size = buf->size;
+
+	/*
+	 * If AGP is enabled, try it. Otherwise or if it fails, use PCI MMIO.
+	 */
+
+	ret = 1;
+	if (vmesa->useAgp) {
+	    while ( -EAGAIN == (ret = drmCommandWrite(vmesa->driFd, DRMCMD_VIA_CMDBUFFER, 
+						      &bufI, sizeof(bufI))));
+	}
+	if (ret) {
+	    drmCommandWrite(vmesa->driFd, DRMCMD_VIA_PCICMD, &bufI, sizeof(bufI));
 	}
     }
     else {
@@ -2069,8 +1479,9 @@
 	pnTmp = pnBuf;
 		
 	for (i = 0; i < vmesa->sarea->nbox; i++) {        
+	    wait_reg_idle(vmesa);
 	    clipL = b->x1 + vmesa->drawXoff;
-	    clipR = b->x2 + vmesa->drawXoff;
+	    clipR = b->x2 + vmesa->drawXoff; /* FIXME: is this correct? */
 	    clipT = b->y1;
 	    clipB = b->y2;
 	    
@@ -2099,7 +1510,7 @@
     	    	    format = HC_HDBFM_RGB565;
     		}           
     		else
-    			return -1;
+		    return -1;
         
 		pitch = vmesa->front.pitch;
 		offset = vmesa->viaScreen->fbOffset + (vmesa->drawY * pitch + vmesa->drawX * bytePerPixel);
@@ -2113,39 +1524,17 @@
 	    
 	    pnBuf = pnTmp;
 	    
-	    while (pnBuf != pnEnd) {	
-		if (*pnBuf == HALCYON_HEADER2) {
-		    pnBuf++;
-		    if (*pnBuf == HALCYON_SUB_ADDR0) {
-			*pnEngBaseTranSet = *pnBuf;
-			pnBuf++;
-			uCheck2DCmd = GL_FALSE;
-		    }
-		    else {
-			*pnEngBaseTranSet = *pnBuf;
-			pnBuf++;
-    			uCheck2DCmd = GL_TRUE;
-		    }
-		}
-		else if (uCheck2DCmd && ((*pnBuf&HALCYON_HEADER1MASK)==HALCYON_HEADER1)) {
-		    addr = ((*pnBuf)&0x0000001f) << 2;
-		    pnBuf++;
-		    *((GLuint*)((GLuint)pnMMIOBase+addr)) = *pnBuf;
-		    pnBuf++;
-		}
-		else if ((*pnBuf&HALCYON_FIREMASK) == HALCYON_FIRECMD) {
-		    *pnEngBaseTranSpace = *pnBuf;
-		    pnBuf++;
-		    if ((pnBuf!=pnEnd)&&((*pnBuf&HALCYON_FIREMASK)==HALCYON_FIRECMD))
-			pnBuf++;
-		    if ((*pnBuf&HALCYON_CMDBMASK) != HC_ACMD_HCmdB)
-			uCheck2DCmd = GL_TRUE;
-		}
-		else {
-		    *pnEngBaseTranSpace = *pnBuf;
-		    pnBuf++;
-		}
+	    bufI.buf = (char *) pnBuf;
+	    bufI.size = buf->size;
+	    ret = 1;
+	    if (vmesa->useAgp) {
+	        while ( -EAGAIN == (ret = drmCommandWrite(vmesa->driFd, DRMCMD_VIA_CMDBUFFER, 
+							  &bufI, sizeof(bufI))));
 	    }
+	    if (ret) {
+	        drmCommandWrite(vmesa->driFd, DRMCMD_VIA_PCICMD, &bufI, sizeof(bufI));
+	    }
+
 	    b++;	
 	    vb = head;
 	}
@@ -2164,7 +1553,6 @@
 	    else {
 		GLuint j;
 		GLuint *data;
-		/*=* John Sheng [2003.12.9] Tuxracer & VQ *=*/
 		GLuint k;
 		GLuint *ES;
 
@@ -2172,7 +1560,6 @@
 		ES = pnEngBase;
 
 		if (i == 500000) {
-		    /*=* John Sheng [2003.12.9] Tuxracer & VQ *=*/
 		    for (k =0 ; k < 35; k++) {
 			fprintf(stderr, "%02xh - %02xh\n", k*4 + 3, k*4);
 			fprintf(stderr, "%08x\n", *ES);
@@ -2187,12 +1574,7 @@
 			fprintf(stderr, "%08x\n", *data++);
 		    }
 		}
-		if (vmesa->dmaIndex) {
-		    data = (GLuint *)vmesa->dma[0].map;
-		}
-		else {
-		    data = (GLuint *)vmesa->dma[1].map;
-		}
+		data = (GLuint *)vmesa->dma;
 		if (i == 500000) {
 		    fprintf(stderr, "previous command buffer");
 		    fprintf(stderr, "i = %d\n", i);
Index: via_render.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/unichrome/via_render.c,v
retrieving revision 1.3
diff -u -r1.3 via_render.c
--- via_render.c	1 Jul 2004 13:14:06 -0000	1.3
+++ via_render.c	27 Nov 2004 22:56:08 -0000
@@ -179,7 +179,7 @@
     tnl->Driver.Render.Finish(ctx);
     
     /*=* DBG - viewperf7.0 : fix command buffer overflow *=*/
-    if (vmesa->dmaLow > (vmesa->dma[0].size / 2))
+    if (vmesa->dmaLow > (VIA_DMA_BUFSIZ / 2))
 	viaFlushPrims(vmesa);
 #ifdef DEBUG
     if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);    
@@ -468,7 +468,7 @@
     }*/
     
     /*=* DBG viewperf7.0 : fix command buffer overflow *=*/
-    if (vmesa->dmaLow > (vmesa->dma[0].size / 2))
+    if (vmesa->dmaLow > (VIA_DMA_BUFSIZ / 2))
 	viaFlushPrims(vmesa);
 #ifdef DEBUG
     if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);    
Index: via_screen.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/unichrome/via_screen.c,v
retrieving revision 1.7
diff -u -r1.7 via_screen.c
--- via_screen.c	25 Nov 2004 14:05:05 -0000	1.7
+++ via_screen.c	27 Nov 2004 22:56:08 -0000
@@ -95,8 +95,6 @@
 #ifdef USE_XINERAMA
     viaScreen->drixinerama = gDRIPriv->drixinerama;
 #endif
-    /*=* John Sheng [2003.12.9] Tuxracer & VQ *=*/
-    viaScreen->VQEnable = gDRIPriv->VQEnable;
 #ifdef DEBUG    
     if (VIA_DEBUG) {
 	fprintf(stderr, "deviceID = %08x\n", viaScreen->deviceID);
@@ -390,7 +388,7 @@
    __DRIscreenPrivate *psp;
    static const __DRIversion ddx_expected = { 4, 0, 0 };
    static const __DRIversion dri_expected = { 4, 0, 0 };
-   static const __DRIversion drm_expected = { 2, 0, 0 };
+   static const __DRIversion drm_expected = { 2, 1, 0 };
 
    if ( ! driCheckDriDdxDrmVersions2( "Unichrome",
 				      dri_version, & dri_expected,
Index: via_tex.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/unichrome/via_tex.c,v
retrieving revision 1.2
diff -u -r1.2 via_tex.c
--- via_tex.c	23 Feb 2004 21:07:12 -0000	1.2
+++ via_tex.c	27 Nov 2004 22:56:08 -0000
@@ -253,7 +253,7 @@
         if (vmesa) {
 	    /*=* John Sheng [2003.7.18] viewperf frames/sec *=*/
 	    /*VIA_FIREVERTICES(vmesa);*/
-	    if (vmesa->dma[0].map) { /* imply vmesa is not under destroying */
+	    if (vmesa->dma) { /* imply vmesa is not under destroying */
         	VIA_FIREVERTICES(vmesa);
 	    }
     	    viaDestroyTexObj(vmesa, t);
Index: via_tris.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/unichrome/via_tris.c,v
retrieving revision 1.3
diff -u -r1.3 via_tris.c
--- via_tris.c	1 Jul 2004 13:14:06 -0000	1.3
+++ via_tris.c	27 Nov 2004 22:56:08 -0000
@@ -1614,7 +1614,7 @@
 	
 	/*=* John Sheng [2003.6.20] fix pci *=*/
         /*if (vmesa->dmaLow & 0x1) {*/
-	if (vmesa->dmaLow & 0x1 || !vmesa->useAgp) {
+	if (vmesa->dmaLow & 0x1 || !vmesa->useAgp ) {
             *vb++ = cmdA ;
             vmesa->dmaLow += 4;
 	}   
Index: xf86drmVIA.c
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/unichrome/xf86drmVIA.c,v
retrieving revision 1.3
diff -u -r1.3 xf86drmVIA.c
--- xf86drmVIA.c	10 Jul 2004 17:09:57 -0000	1.3
+++ xf86drmVIA.c	27 Nov 2004 22:56:08 -0000
@@ -131,3 +131,13 @@
     
     return 0;
 }
+
+int drmVIACmdBuffer(int fd, drmVIACommandBuffer *buf)
+{
+    if (ioctl(fd, 0x48, buf ) < 0) {
+        return -errno;
+    }
+    else
+        return 0;
+}
+  
Index: xf86drmVIA.h
===================================================================
RCS file: /cvs/mesa/Mesa/src/mesa/drivers/dri/unichrome/xf86drmVIA.h,v
retrieving revision 1.1
diff -u -r1.1 xf86drmVIA.h
--- xf86drmVIA.h	30 Jan 2004 23:26:19 -0000	1.1
+++ xf86drmVIA.h	27 Nov 2004 22:56:08 -0000
@@ -25,6 +25,11 @@
 #ifndef __XF86DRI_VIA_H__
 #define __XF86DRI_VIA_H__
 
+#define DRMCMD_VIA_DMA_INIT 0x07
+#define DRMCMD_VIA_CMDBUFFER 0x08
+#define DRMCMD_VIA_FLUSH 0x09
+#define DRMCMD_VIA_PCICMD 0x0A
+
 typedef struct {
     unsigned long sarea_priv_offset;
     unsigned long fb_offset;
@@ -45,10 +50,35 @@
     unsigned long *address;
 } drmVIADMABuf;
 
+typedef struct {
+  char *buf;
+  unsigned long size;
+} drmVIACommandBuffer;
+
+typedef struct {
+	unsigned int offset;
+	unsigned int size;
+	unsigned long index;
+	int discard;		/* client is finished with the buffer? */
+} drmVIAFlush;
+
+typedef struct{
+	enum {
+		VIA_INIT_DMA = 0x01,
+		VIA_CLEANUP_DMA = 0x02,
+                VIA_DMA_INITIALIZED = 0x03
+	} func;
+
+	unsigned long offset;
+	unsigned long size;
+	unsigned long reg_pause_addr;
+} drmVIADMAInit;
+
 extern int drmVIAAgpInit(int fd, int offset, int size);
 extern int drmVIAFBInit(int fd, int offset, int size);
 extern int drmVIAInitMAP(int fd, drmVIAInit *info);
 extern int drmVIAAllocateDMA(int fd, drmVIADMABuf *buf);
 extern int drmVIAReleaseDMA(int fd, drmVIADMABuf *buf);
 
+
 #endif