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-rw-r--r--src/r128_dri.c1337
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diff --git a/src/r128_dri.c b/src/r128_dri.c
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+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/r128_dri.c,v 1.28 2003/02/07 20:41:14 martin Exp $ */
+/*
+ * Copyright 1999, 2000 ATI Technologies Inc., Markham, Ontario,
+ * Precision Insight, Inc., Cedar Park, Texas, and
+ * 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 on 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
+ * NON-INFRINGEMENT. IN NO EVENT SHALL ATI, PRECISION INSIGHT, VA LINUX
+ * SYSTEMS AND/OR THEIR 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:
+ * Kevin E. Martin <martin@valinux.com>
+ * Rickard E. Faith <faith@valinux.com>
+ * Daryll Strauss <daryll@valinux.com>
+ * Gareth Hughes <gareth@valinux.com>
+ *
+ */
+
+ /* Driver data structures */
+#include "r128.h"
+#include "r128_dri.h"
+#include "r128_reg.h"
+#include "r128_sarea.h"
+#include "r128_version.h"
+
+ /* X and server generic header files */
+#include "xf86.h"
+#include "windowstr.h"
+#include "xf86PciInfo.h"
+
+ /* GLX/DRI/DRM definitions */
+#define _XF86DRI_SERVER_
+#include "GL/glxtokens.h"
+#include "sarea.h"
+
+/* ?? HACK - for now, put this here... */
+/* ?? Alpha - this may need to be a variable to handle UP1x00 vs TITAN */
+#if defined(__alpha__)
+# define DRM_PAGE_SIZE 8192
+#elif defined(__ia64__)
+# define DRM_PAGE_SIZE getpagesize()
+#else
+# define DRM_PAGE_SIZE 4096
+#endif
+
+/* Initialize the visual configs that are supported by the hardware.
+ These are combined with the visual configs that the indirect
+ rendering core supports, and the intersection is exported to the
+ client. */
+static Bool R128InitVisualConfigs(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ R128InfoPtr info = R128PTR(pScrn);
+ int numConfigs = 0;
+ __GLXvisualConfig *pConfigs = 0;
+ R128ConfigPrivPtr pR128Configs = 0;
+ R128ConfigPrivPtr *pR128ConfigPtrs = 0;
+ int i, accum, stencil, db;
+
+ switch (info->CurrentLayout.pixel_code) {
+ case 8: /* 8bpp mode is not support */
+ case 15: /* FIXME */
+ case 24: /* FIXME */
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[dri] R128DRIScreenInit failed (depth %d not supported). "
+ "Disabling DRI.\n", info->CurrentLayout.pixel_code);
+ return FALSE;
+
+#define R128_USE_ACCUM 1
+#define R128_USE_STENCIL 1
+#define R128_USE_DB 1
+
+ case 16:
+ numConfigs = 1;
+ if (R128_USE_ACCUM) numConfigs *= 2;
+ if (R128_USE_STENCIL) numConfigs *= 2;
+ if (R128_USE_DB) numConfigs *= 2;
+
+ if (!(pConfigs
+ = (__GLXvisualConfig*)xcalloc(sizeof(__GLXvisualConfig),
+ numConfigs))) {
+ return FALSE;
+ }
+ if (!(pR128Configs
+ = (R128ConfigPrivPtr)xcalloc(sizeof(R128ConfigPrivRec),
+ numConfigs))) {
+ xfree(pConfigs);
+ return FALSE;
+ }
+ if (!(pR128ConfigPtrs
+ = (R128ConfigPrivPtr*)xcalloc(sizeof(R128ConfigPrivPtr),
+ numConfigs))) {
+ xfree(pConfigs);
+ xfree(pR128Configs);
+ return FALSE;
+ }
+
+ i = 0;
+ for (db = 0; db <= R128_USE_DB; db++) {
+ for (accum = 0; accum <= R128_USE_ACCUM; accum++) {
+ for (stencil = 0; stencil <= R128_USE_STENCIL; stencil++) {
+ pR128ConfigPtrs[i] = &pR128Configs[i];
+
+ pConfigs[i].vid = (VisualID)(-1);
+ pConfigs[i].class = -1;
+ pConfigs[i].rgba = TRUE;
+ pConfigs[i].redSize = 5;
+ pConfigs[i].greenSize = 6;
+ pConfigs[i].blueSize = 5;
+ pConfigs[i].alphaSize = 0;
+ pConfigs[i].redMask = 0x0000F800;
+ pConfigs[i].greenMask = 0x000007E0;
+ pConfigs[i].blueMask = 0x0000001F;
+ pConfigs[i].alphaMask = 0x00000000;
+ if (accum) { /* Simulated in software */
+ pConfigs[i].accumRedSize = 16;
+ pConfigs[i].accumGreenSize = 16;
+ pConfigs[i].accumBlueSize = 16;
+ pConfigs[i].accumAlphaSize = 0;
+ } else {
+ pConfigs[i].accumRedSize = 0;
+ pConfigs[i].accumGreenSize = 0;
+ pConfigs[i].accumBlueSize = 0;
+ pConfigs[i].accumAlphaSize = 0;
+ }
+ if (db)
+ pConfigs[i].doubleBuffer = TRUE;
+ else
+ pConfigs[i].doubleBuffer = FALSE;
+ pConfigs[i].stereo = FALSE;
+ pConfigs[i].bufferSize = 16;
+ pConfigs[i].depthSize = 16;
+ if (stencil)
+ pConfigs[i].stencilSize = 8; /* Simulated in software */
+ else
+ pConfigs[i].stencilSize = 0;
+ pConfigs[i].auxBuffers = 0;
+ pConfigs[i].level = 0;
+ if (accum || stencil) {
+ pConfigs[i].visualRating = GLX_SLOW_VISUAL_EXT;
+ } else {
+ pConfigs[i].visualRating = GLX_NONE_EXT;
+ }
+ pConfigs[i].transparentPixel = GLX_NONE;
+ pConfigs[i].transparentRed = 0;
+ pConfigs[i].transparentGreen = 0;
+ pConfigs[i].transparentBlue = 0;
+ pConfigs[i].transparentAlpha = 0;
+ pConfigs[i].transparentIndex = 0;
+ i++;
+ }
+ }
+ }
+ break;
+
+ case 32:
+ numConfigs = 1;
+ if (R128_USE_ACCUM) numConfigs *= 2;
+ if (R128_USE_STENCIL) numConfigs *= 2;
+ if (R128_USE_DB) numConfigs *= 2;
+
+ if (!(pConfigs
+ = (__GLXvisualConfig*)xcalloc(sizeof(__GLXvisualConfig),
+ numConfigs))) {
+ return FALSE;
+ }
+ if (!(pR128Configs
+ = (R128ConfigPrivPtr)xcalloc(sizeof(R128ConfigPrivRec),
+ numConfigs))) {
+ xfree(pConfigs);
+ return FALSE;
+ }
+ if (!(pR128ConfigPtrs
+ = (R128ConfigPrivPtr*)xcalloc(sizeof(R128ConfigPrivPtr),
+ numConfigs))) {
+ xfree(pConfigs);
+ xfree(pR128Configs);
+ return FALSE;
+ }
+
+ i = 0;
+ for (db = 0; db <= R128_USE_DB; db++) {
+ for (accum = 0; accum <= R128_USE_ACCUM; accum++) {
+ for (stencil = 0; stencil <= R128_USE_STENCIL; stencil++) {
+ pR128ConfigPtrs[i] = &pR128Configs[i];
+
+ pConfigs[i].vid = (VisualID)(-1);
+ pConfigs[i].class = -1;
+ pConfigs[i].rgba = TRUE;
+ pConfigs[i].redSize = 8;
+ pConfigs[i].greenSize = 8;
+ pConfigs[i].blueSize = 8;
+ pConfigs[i].alphaSize = 0;
+ pConfigs[i].redMask = 0x00FF0000;
+ pConfigs[i].greenMask = 0x0000FF00;
+ pConfigs[i].blueMask = 0x000000FF;
+ pConfigs[i].alphaMask = 0x00000000;
+ if (accum) { /* Simulated in software */
+ pConfigs[i].accumRedSize = 16;
+ pConfigs[i].accumGreenSize = 16;
+ pConfigs[i].accumBlueSize = 16;
+ pConfigs[i].accumAlphaSize = 0;
+ } else {
+ pConfigs[i].accumRedSize = 0;
+ pConfigs[i].accumGreenSize = 0;
+ pConfigs[i].accumBlueSize = 0;
+ pConfigs[i].accumAlphaSize = 0;
+ }
+ if (db)
+ pConfigs[i].doubleBuffer = TRUE;
+ else
+ pConfigs[i].doubleBuffer = FALSE;
+ pConfigs[i].stereo = FALSE;
+ pConfigs[i].bufferSize = 24;
+ if (stencil) {
+ pConfigs[i].depthSize = 24;
+ pConfigs[i].stencilSize = 8;
+ } else {
+ pConfigs[i].depthSize = 24;
+ pConfigs[i].stencilSize = 0;
+ }
+ pConfigs[i].auxBuffers = 0;
+ pConfigs[i].level = 0;
+ if (accum || stencil) {
+ pConfigs[i].visualRating = GLX_SLOW_VISUAL_EXT;
+ } else {
+ pConfigs[i].visualRating = GLX_NONE_EXT;
+ }
+ pConfigs[i].transparentPixel = GLX_NONE;
+ pConfigs[i].transparentRed = 0;
+ pConfigs[i].transparentGreen = 0;
+ pConfigs[i].transparentBlue = 0;
+ pConfigs[i].transparentAlpha = 0;
+ pConfigs[i].transparentIndex = 0;
+ i++;
+ }
+ }
+ }
+ break;
+ }
+
+ info->numVisualConfigs = numConfigs;
+ info->pVisualConfigs = pConfigs;
+ info->pVisualConfigsPriv = pR128Configs;
+ GlxSetVisualConfigs(numConfigs, pConfigs, (void**)pR128ConfigPtrs);
+ return TRUE;
+}
+
+/* Create the Rage 128-specific context information */
+static Bool R128CreateContext(ScreenPtr pScreen, VisualPtr visual,
+ drmContext hwContext, void *pVisualConfigPriv,
+ DRIContextType contextStore)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ R128InfoPtr info = R128PTR(pScrn);
+
+ info->drmCtx = hwContext;
+ return TRUE;
+}
+
+/* Destroy the Rage 128-specific context information */
+static void R128DestroyContext(ScreenPtr pScreen, drmContext hwContext,
+ DRIContextType contextStore)
+{
+ /* Nothing yet */
+}
+
+/* Called when the X server is woken up to allow the last client's
+ context to be saved and the X server's context to be loaded. This is
+ not necessary for the Rage 128 since the client detects when it's
+ context is not currently loaded and then load's it itself. Since the
+ registers to start and stop the CCE are privileged, only the X server
+ can start/stop the engine. */
+static void R128EnterServer(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ R128InfoPtr info = R128PTR(pScrn);
+
+ if (info->accel) info->accel->NeedToSync = TRUE;
+}
+
+/* Called when the X server goes to sleep to allow the X server's
+ context to be saved and the last client's context to be loaded. This
+ is not necessary for the Rage 128 since the client detects when it's
+ context is not currently loaded and then load's it itself. Since the
+ registers to start and stop the CCE are privileged, only the X server
+ can start/stop the engine. */
+static void R128LeaveServer(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ R128InfoPtr info = R128PTR(pScrn);
+ unsigned char *R128MMIO = info->MMIO;
+
+ if (!info->directRenderingEnabled) {
+ /* Save all hardware scissors */
+ info->sc_left = INREG(R128_SC_LEFT);
+ info->sc_right = INREG(R128_SC_RIGHT);
+ info->sc_top = INREG(R128_SC_TOP);
+ info->sc_bottom = INREG(R128_SC_BOTTOM);
+ info->aux_sc_cntl = INREG(R128_SC_BOTTOM);
+ } else if (info->CCEInUse) {
+ R128CCEReleaseIndirect(pScrn);
+
+ info->CCEInUse = FALSE;
+ }
+}
+
+/* Contexts can be swapped by the X server if necessary. This callback
+ is currently only used to perform any functions necessary when
+ entering or leaving the X server, and in the future might not be
+ necessary. */
+static void R128DRISwapContext(ScreenPtr pScreen, DRISyncType syncType,
+ DRIContextType oldContextType, void *oldContext,
+ DRIContextType newContextType, void *newContext)
+{
+ if ((syncType==DRI_3D_SYNC) && (oldContextType==DRI_2D_CONTEXT) &&
+ (newContextType==DRI_2D_CONTEXT)) { /* Entering from Wakeup */
+ R128EnterServer(pScreen);
+ }
+ if ((syncType==DRI_2D_SYNC) && (oldContextType==DRI_NO_CONTEXT) &&
+ (newContextType==DRI_2D_CONTEXT)) { /* Exiting from Block Handler */
+ R128LeaveServer(pScreen);
+ }
+}
+
+/* Initialize the state of the back and depth buffers. */
+static void R128DRIInitBuffers(WindowPtr pWin, RegionPtr prgn, CARD32 indx)
+{
+ /* FIXME: This routine needs to have acceleration turned on */
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ R128InfoPtr info = R128PTR(pScrn);
+ BoxPtr pbox, pboxSave;
+ int nbox, nboxSave;
+ int depth;
+
+ /* FIXME: Use accel when CCE 2D code is written */
+ if (info->directRenderingEnabled)
+ return;
+
+ /* FIXME: This should be based on the __GLXvisualConfig info */
+ switch (pScrn->bitsPerPixel) {
+ case 8: depth = 0x000000ff; break;
+ case 16: depth = 0x0000ffff; break;
+ case 24: depth = 0x00ffffff; break;
+ case 32: depth = 0xffffffff; break;
+ default: depth = 0x00000000; break;
+ }
+
+ /* FIXME: Copy XAAPaintWindow() and use REGION_TRANSLATE() */
+ /* FIXME: Only initialize the back and depth buffers for contexts
+ that request them */
+
+ pboxSave = pbox = REGION_RECTS(prgn);
+ nboxSave = nbox = REGION_NUM_RECTS(prgn);
+
+ (*info->accel->SetupForSolidFill)(pScrn, 0, GXcopy, (CARD32)(-1));
+ for (; nbox; nbox--, pbox++) {
+ (*info->accel->SubsequentSolidFillRect)(pScrn,
+ pbox->x1 + info->fbX,
+ pbox->y1 + info->fbY,
+ pbox->x2 - pbox->x1,
+ pbox->y2 - pbox->y1);
+ (*info->accel->SubsequentSolidFillRect)(pScrn,
+ pbox->x1 + info->backX,
+ pbox->y1 + info->backY,
+ pbox->x2 - pbox->x1,
+ pbox->y2 - pbox->y1);
+ }
+
+ pbox = pboxSave;
+ nbox = nboxSave;
+
+ /* FIXME: this needs to consider depth tiling. */
+ (*info->accel->SetupForSolidFill)(pScrn, depth, GXcopy, (CARD32)(-1));
+ for (; nbox; nbox--, pbox++)
+ (*info->accel->SubsequentSolidFillRect)(pScrn,
+ pbox->x1 + info->depthX,
+ pbox->y1 + info->depthY,
+ pbox->x2 - pbox->x1,
+ pbox->y2 - pbox->y1);
+
+ info->accel->NeedToSync = TRUE;
+}
+
+/* Copy the back and depth buffers when the X server moves a window. */
+static void R128DRIMoveBuffers(WindowPtr pWin, DDXPointRec ptOldOrg,
+ RegionPtr prgnSrc, CARD32 indx)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ R128InfoPtr info = R128PTR(pScrn);
+
+ /* FIXME: This routine needs to have acceleration turned on */
+ /* FIXME: Copy XAACopyWindow() and use REGION_TRANSLATE() */
+ /* FIXME: Only initialize the back and depth buffers for contexts
+ that request them */
+
+ /* FIXME: Use accel when CCE 2D code is written */
+ if (info->directRenderingEnabled)
+ return;
+}
+
+/* Initialize the AGP state. Request memory for use in AGP space, and
+ initialize the Rage 128 registers to point to that memory. */
+static Bool R128DRIAgpInit(R128InfoPtr info, ScreenPtr pScreen)
+{
+ unsigned char *R128MMIO = info->MMIO;
+ unsigned long mode;
+ unsigned int vendor, device;
+ int ret;
+ unsigned long cntl, chunk;
+ int s, l;
+ int flags;
+ unsigned long agpBase;
+
+ if (drmAgpAcquire(info->drmFD) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_WARNING, "[agp] AGP not available\n");
+ return FALSE;
+ }
+
+ /* Modify the mode if the default mode is
+ not appropriate for this particular
+ combination of graphics card and AGP
+ chipset. */
+
+ mode = drmAgpGetMode(info->drmFD); /* Default mode */
+ vendor = drmAgpVendorId(info->drmFD);
+ device = drmAgpDeviceId(info->drmFD);
+
+ mode &= ~R128_AGP_MODE_MASK;
+ switch (info->agpMode) {
+ case 4: mode |= R128_AGP_4X_MODE;
+ case 2: mode |= R128_AGP_2X_MODE;
+ case 1: default: mode |= R128_AGP_1X_MODE;
+ }
+
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[agp] Mode 0x%08lx [AGP 0x%04x/0x%04x; Card 0x%04x/0x%04x]\n",
+ mode, vendor, device,
+ info->PciInfo->vendor,
+ info->PciInfo->chipType);
+
+ if (drmAgpEnable(info->drmFD, mode) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR, "[agp] AGP not enabled\n");
+ drmAgpRelease(info->drmFD);
+ return FALSE;
+ }
+
+ info->agpOffset = 0;
+
+ if ((ret = drmAgpAlloc(info->drmFD, info->agpSize*1024*1024, 0, NULL,
+ &info->agpMemHandle)) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR, "[agp] Out of memory (%d)\n", ret);
+ drmAgpRelease(info->drmFD);
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[agp] %d kB allocated with handle 0x%08x\n",
+ info->agpSize*1024, info->agpMemHandle);
+
+ if (drmAgpBind(info->drmFD, info->agpMemHandle, info->agpOffset) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR, "[agp] Could not bind\n");
+ drmAgpFree(info->drmFD, info->agpMemHandle);
+ drmAgpRelease(info->drmFD);
+ return FALSE;
+ }
+
+ /* Initialize the CCE ring buffer data */
+ info->ringStart = info->agpOffset;
+ info->ringMapSize = info->ringSize*1024*1024 + DRM_PAGE_SIZE;
+ info->ringSizeLog2QW = R128MinBits(info->ringSize*1024*1024/8) - 1;
+
+ info->ringReadOffset = info->ringStart + info->ringMapSize;
+ info->ringReadMapSize = DRM_PAGE_SIZE;
+
+ /* Reserve space for vertex/indirect buffers */
+ info->bufStart = info->ringReadOffset + info->ringReadMapSize;
+ info->bufMapSize = info->bufSize*1024*1024;
+
+ /* Reserve the rest for AGP textures */
+ info->agpTexStart = info->bufStart + info->bufMapSize;
+ s = (info->agpSize*1024*1024 - info->agpTexStart);
+ l = R128MinBits((s-1) / R128_NR_TEX_REGIONS);
+ if (l < R128_LOG_TEX_GRANULARITY) l = R128_LOG_TEX_GRANULARITY;
+ info->agpTexMapSize = (s >> l) << l;
+ info->log2AGPTexGran = l;
+
+ if (info->CCESecure) flags = DRM_READ_ONLY;
+ else flags = 0;
+
+ if (drmAddMap(info->drmFD, info->ringStart, info->ringMapSize,
+ DRM_AGP, flags, &info->ringHandle) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[agp] Could not add ring mapping\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[agp] ring handle = 0x%08lx\n", info->ringHandle);
+
+ if (drmMap(info->drmFD, info->ringHandle, info->ringMapSize,
+ (drmAddressPtr)&info->ring) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR, "[agp] Could not map ring\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[agp] Ring mapped at 0x%08lx\n",
+ (unsigned long)info->ring);
+
+ if (drmAddMap(info->drmFD, info->ringReadOffset, info->ringReadMapSize,
+ DRM_AGP, flags, &info->ringReadPtrHandle) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[agp] Could not add ring read ptr mapping\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[agp] ring read ptr handle = 0x%08lx\n",
+ info->ringReadPtrHandle);
+
+ if (drmMap(info->drmFD, info->ringReadPtrHandle, info->ringReadMapSize,
+ (drmAddressPtr)&info->ringReadPtr) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[agp] Could not map ring read ptr\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[agp] Ring read ptr mapped at 0x%08lx\n",
+ (unsigned long)info->ringReadPtr);
+
+ if (drmAddMap(info->drmFD, info->bufStart, info->bufMapSize,
+ DRM_AGP, 0, &info->bufHandle) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[agp] Could not add vertex/indirect buffers mapping\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[agp] vertex/indirect buffers handle = 0x%08lx\n",
+ info->bufHandle);
+
+ if (drmMap(info->drmFD, info->bufHandle, info->bufMapSize,
+ (drmAddressPtr)&info->buf) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[agp] Could not map vertex/indirect buffers\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[agp] Vertex/indirect buffers mapped at 0x%08lx\n",
+ (unsigned long)info->buf);
+
+ if (drmAddMap(info->drmFD, info->agpTexStart, info->agpTexMapSize,
+ DRM_AGP, 0, &info->agpTexHandle) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[agp] Could not add AGP texture map mapping\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[agp] AGP texture map handle = 0x%08lx\n",
+ info->agpTexHandle);
+
+ if (drmMap(info->drmFD, info->agpTexHandle, info->agpTexMapSize,
+ (drmAddressPtr)&info->agpTex) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[agp] Could not map AGP texture map\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[agp] AGP Texture map mapped at 0x%08lx\n",
+ (unsigned long)info->agpTex);
+
+ /* Initialize Rage 128's AGP registers */
+ cntl = INREG(R128_AGP_CNTL);
+ cntl &= ~R128_AGP_APER_SIZE_MASK;
+ switch (info->agpSize) {
+ case 256: cntl |= R128_AGP_APER_SIZE_256MB; break;
+ case 128: cntl |= R128_AGP_APER_SIZE_128MB; break;
+ case 64: cntl |= R128_AGP_APER_SIZE_64MB; break;
+ case 32: cntl |= R128_AGP_APER_SIZE_32MB; break;
+ case 16: cntl |= R128_AGP_APER_SIZE_16MB; break;
+ case 8: cntl |= R128_AGP_APER_SIZE_8MB; break;
+ case 4: cntl |= R128_AGP_APER_SIZE_4MB; break;
+ default:
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[agp] Illegal aperture size %d kB\n",
+ info->agpSize*1024);
+ return FALSE;
+ }
+ agpBase = drmAgpBase(info->drmFD);
+ OUTREG(R128_AGP_BASE, agpBase);
+ OUTREG(R128_AGP_CNTL, cntl);
+
+ /* Disable Rage 128's PCIGART registers */
+ chunk = INREG(R128_BM_CHUNK_0_VAL);
+ chunk &= ~(R128_BM_PTR_FORCE_TO_PCI |
+ R128_BM_PM4_RD_FORCE_TO_PCI |
+ R128_BM_GLOBAL_FORCE_TO_PCI);
+ OUTREG(R128_BM_CHUNK_0_VAL, chunk);
+
+ OUTREG(R128_PCI_GART_PAGE, 1); /* Ensure AGP GART is used (for now) */
+
+ return TRUE;
+}
+
+static Bool R128DRIPciInit(R128InfoPtr info, ScreenPtr pScreen)
+{
+ unsigned char *R128MMIO = info->MMIO;
+ CARD32 chunk;
+ int ret;
+ int flags;
+
+ info->agpOffset = 0;
+
+ ret = drmScatterGatherAlloc(info->drmFD, info->agpSize*1024*1024,
+ &info->pciMemHandle);
+ if (ret < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR, "[pci] Out of memory (%d)\n", ret);
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[pci] %d kB allocated with handle 0x%08x\n",
+ info->agpSize*1024, info->pciMemHandle);
+
+ /* Initialize the CCE ring buffer data */
+ info->ringStart = info->agpOffset;
+ info->ringMapSize = info->ringSize*1024*1024 + DRM_PAGE_SIZE;
+ info->ringSizeLog2QW = R128MinBits(info->ringSize*1024*1024/8) - 1;
+
+ info->ringReadOffset = info->ringStart + info->ringMapSize;
+ info->ringReadMapSize = DRM_PAGE_SIZE;
+
+ /* Reserve space for vertex/indirect buffers */
+ info->bufStart = info->ringReadOffset + info->ringReadMapSize;
+ info->bufMapSize = info->bufSize*1024*1024;
+
+ flags = DRM_READ_ONLY | DRM_LOCKED | DRM_KERNEL;
+
+ if (drmAddMap(info->drmFD, info->ringStart, info->ringMapSize,
+ DRM_SCATTER_GATHER, flags, &info->ringHandle) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[pci] Could not add ring mapping\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[pci] ring handle = 0x%08lx\n", info->ringHandle);
+
+ if (drmMap(info->drmFD, info->ringHandle, info->ringMapSize,
+ (drmAddressPtr)&info->ring) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR, "[pci] Could not map ring\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[pci] Ring mapped at 0x%08lx\n",
+ (unsigned long)info->ring);
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[pci] Ring contents 0x%08lx\n",
+ *(unsigned long *)(pointer)info->ring);
+
+ if (drmAddMap(info->drmFD, info->ringReadOffset, info->ringReadMapSize,
+ DRM_SCATTER_GATHER, flags, &info->ringReadPtrHandle) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[pci] Could not add ring read ptr mapping\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[pci] ring read ptr handle = 0x%08lx\n",
+ info->ringReadPtrHandle);
+
+ if (drmMap(info->drmFD, info->ringReadPtrHandle, info->ringReadMapSize,
+ (drmAddressPtr)&info->ringReadPtr) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[pci] Could not map ring read ptr\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[pci] Ring read ptr mapped at 0x%08lx\n",
+ (unsigned long)info->ringReadPtr);
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[pci] Ring read ptr contents 0x%08lx\n",
+ *(unsigned long *)(pointer)info->ringReadPtr);
+
+ if (drmAddMap(info->drmFD, info->bufStart, info->bufMapSize,
+ DRM_SCATTER_GATHER, 0, &info->bufHandle) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[pci] Could not add vertex/indirect buffers mapping\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[pci] vertex/indirect buffers handle = 0x%08lx\n",
+ info->bufHandle);
+
+ if (drmMap(info->drmFD, info->bufHandle, info->bufMapSize,
+ (drmAddressPtr)&info->buf) < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[pci] Could not map vertex/indirect buffers\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[pci] Vertex/indirect buffers mapped at 0x%08lx\n",
+ (unsigned long)info->buf);
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[pci] Vertex/indirect buffers contents 0x%08lx\n",
+ *(unsigned long *)(pointer)info->buf);
+
+ switch (info->Chipset) {
+ case PCI_CHIP_RAGE128LE:
+ case PCI_CHIP_RAGE128RE:
+ case PCI_CHIP_RAGE128RK:
+ case PCI_CHIP_RAGE128PD:
+ case PCI_CHIP_RAGE128PP:
+ case PCI_CHIP_RAGE128PR:
+ /* This is a PCI card, do nothing */
+ break;
+
+ case PCI_CHIP_RAGE128LF:
+ case PCI_CHIP_RAGE128MF:
+ case PCI_CHIP_RAGE128ML:
+ case PCI_CHIP_RAGE128RF:
+ case PCI_CHIP_RAGE128RG:
+ case PCI_CHIP_RAGE128RL:
+ case PCI_CHIP_RAGE128SM:
+ case PCI_CHIP_RAGE128PF:
+ case PCI_CHIP_RAGE128TF:
+ case PCI_CHIP_RAGE128TL:
+ case PCI_CHIP_RAGE128TR:
+ /* FIXME: ATI documentation does not specify if the following chips are
+ * AGP or PCI, it just mentions their PCI IDs. I'm assuming they're AGP
+ * until I get more correct information. <mharris@redhat.com>
+ */
+ case PCI_CHIP_RAGE128PA:
+ case PCI_CHIP_RAGE128PB:
+ case PCI_CHIP_RAGE128PC:
+ case PCI_CHIP_RAGE128PE:
+ case PCI_CHIP_RAGE128PG:
+ case PCI_CHIP_RAGE128PH:
+ case PCI_CHIP_RAGE128PI:
+ case PCI_CHIP_RAGE128PJ:
+ case PCI_CHIP_RAGE128PK:
+ case PCI_CHIP_RAGE128PL:
+ case PCI_CHIP_RAGE128PM:
+ case PCI_CHIP_RAGE128PN:
+ case PCI_CHIP_RAGE128PO:
+ case PCI_CHIP_RAGE128PQ:
+ case PCI_CHIP_RAGE128PS:
+ case PCI_CHIP_RAGE128PT:
+ case PCI_CHIP_RAGE128PU:
+ case PCI_CHIP_RAGE128PV:
+ case PCI_CHIP_RAGE128PW:
+ case PCI_CHIP_RAGE128PX:
+ case PCI_CHIP_RAGE128SE:
+ case PCI_CHIP_RAGE128SF:
+ case PCI_CHIP_RAGE128SG:
+ case PCI_CHIP_RAGE128SH:
+ case PCI_CHIP_RAGE128SK:
+ case PCI_CHIP_RAGE128SL:
+ case PCI_CHIP_RAGE128SN:
+ case PCI_CHIP_RAGE128TS:
+ case PCI_CHIP_RAGE128TT:
+ case PCI_CHIP_RAGE128TU:
+ default:
+ /* This is really an AGP card, force PCI GART mode */
+ chunk = INREG(R128_BM_CHUNK_0_VAL);
+ chunk |= (R128_BM_PTR_FORCE_TO_PCI |
+ R128_BM_PM4_RD_FORCE_TO_PCI |
+ R128_BM_GLOBAL_FORCE_TO_PCI);
+ OUTREG(R128_BM_CHUNK_0_VAL, chunk);
+ OUTREG(R128_PCI_GART_PAGE, 0); /* Ensure PCI GART is used */
+ break;
+ }
+
+ return TRUE;
+}
+
+/* Add a map for the MMIO registers that will be accessed by any
+ DRI-based clients. */
+static Bool R128DRIMapInit(R128InfoPtr info, ScreenPtr pScreen)
+{
+ int flags;
+
+ if (info->CCESecure) flags = DRM_READ_ONLY;
+ else flags = 0;
+
+ /* Map registers */
+ info->registerSize = R128_MMIOSIZE;
+ if (drmAddMap(info->drmFD, info->MMIOAddr, info->registerSize,
+ DRM_REGISTERS, flags, &info->registerHandle) < 0) {
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[drm] register handle = 0x%08lx\n", info->registerHandle);
+
+ return TRUE;
+}
+
+/* Initialize the kernel data structures. */
+static int R128DRIKernelInit(R128InfoPtr info, ScreenPtr pScreen)
+{
+ drmR128Init drmInfo;
+
+ memset( &drmInfo, 0, sizeof(drmR128Init) );
+
+ drmInfo.func = DRM_R128_INIT_CCE;
+ drmInfo.sarea_priv_offset = sizeof(XF86DRISAREARec);
+ drmInfo.is_pci = info->IsPCI;
+ drmInfo.cce_mode = info->CCEMode;
+ drmInfo.cce_secure = info->CCESecure;
+ drmInfo.ring_size = info->ringSize*1024*1024;
+ drmInfo.usec_timeout = info->CCEusecTimeout;
+
+ drmInfo.fb_bpp = info->CurrentLayout.pixel_code;
+ drmInfo.depth_bpp = info->CurrentLayout.pixel_code;
+
+ drmInfo.front_offset = info->frontOffset;
+ drmInfo.front_pitch = info->frontPitch;
+
+ drmInfo.back_offset = info->backOffset;
+ drmInfo.back_pitch = info->backPitch;
+
+ drmInfo.depth_offset = info->depthOffset;
+ drmInfo.depth_pitch = info->depthPitch;
+ drmInfo.span_offset = info->spanOffset;
+
+ drmInfo.fb_offset = info->fbHandle;
+ drmInfo.mmio_offset = info->registerHandle;
+ drmInfo.ring_offset = info->ringHandle;
+ drmInfo.ring_rptr_offset = info->ringReadPtrHandle;
+ drmInfo.buffers_offset = info->bufHandle;
+ drmInfo.agp_textures_offset = info->agpTexHandle;
+
+ if (drmCommandWrite(info->drmFD, DRM_R128_INIT,
+ &drmInfo, sizeof(drmR128Init)) < 0)
+ return FALSE;
+
+ return TRUE;
+}
+
+/* Add a map for the vertex buffers that will be accessed by any
+ DRI-based clients. */
+static Bool R128DRIBufInit(R128InfoPtr info, ScreenPtr pScreen)
+{
+ /* Initialize vertex buffers */
+ if (info->IsPCI) {
+ info->bufNumBufs = drmAddBufs(info->drmFD,
+ info->bufMapSize / R128_BUFFER_SIZE,
+ R128_BUFFER_SIZE,
+ DRM_SG_BUFFER,
+ info->bufStart);
+ } else {
+ info->bufNumBufs = drmAddBufs(info->drmFD,
+ info->bufMapSize / R128_BUFFER_SIZE,
+ R128_BUFFER_SIZE,
+ DRM_AGP_BUFFER,
+ info->bufStart);
+ }
+ if (info->bufNumBufs <= 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] Could not create vertex/indirect buffers list\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[drm] Added %d %d byte vertex/indirect buffers\n",
+ info->bufNumBufs, R128_BUFFER_SIZE);
+
+ if (!(info->buffers = drmMapBufs(info->drmFD))) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] Failed to map vertex/indirect buffers list\n");
+ return FALSE;
+ }
+ xf86DrvMsg(pScreen->myNum, X_INFO,
+ "[drm] Mapped %d vertex/indirect buffers\n",
+ info->buffers->count);
+
+ return TRUE;
+}
+
+static void R128DRIIrqInit(R128InfoPtr info, ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+
+ if (!info->irq) {
+ info->irq = drmGetInterruptFromBusID(
+ info->drmFD,
+ ((pciConfigPtr)info->PciInfo->thisCard)->busnum,
+ ((pciConfigPtr)info->PciInfo->thisCard)->devnum,
+ ((pciConfigPtr)info->PciInfo->thisCard)->funcnum);
+
+ if((drmCtlInstHandler(info->drmFD, info->irq)) != 0) {
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "[drm] failure adding irq handler, "
+ "there is a device already using that irq\n"
+ "[drm] falling back to irq-free operation\n");
+ info->irq = 0;
+ } else {
+ unsigned char *R128MMIO = info->MMIO;
+ info->gen_int_cntl = INREG( R128_GEN_INT_CNTL );
+ }
+ }
+
+ if (info->irq)
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "[drm] dma control initialized, using IRQ %d\n",
+ info->irq);
+}
+
+/* Initialize the CCE state, and start the CCE (if used by the X server) */
+static void R128DRICCEInit(ScrnInfoPtr pScrn)
+{
+ R128InfoPtr info = R128PTR(pScrn);
+
+ /* Turn on bus mastering */
+ info->BusCntl &= ~R128_BUS_MASTER_DIS;
+
+ /* CCEMode is initialized in r128_driver.c */
+ switch (info->CCEMode) {
+ case R128_PM4_NONPM4: info->CCEFifoSize = 0; break;
+ case R128_PM4_192PIO: info->CCEFifoSize = 192; break;
+ case R128_PM4_192BM: info->CCEFifoSize = 192; break;
+ case R128_PM4_128PIO_64INDBM: info->CCEFifoSize = 128; break;
+ case R128_PM4_128BM_64INDBM: info->CCEFifoSize = 128; break;
+ case R128_PM4_64PIO_128INDBM: info->CCEFifoSize = 64; break;
+ case R128_PM4_64BM_128INDBM: info->CCEFifoSize = 64; break;
+ case R128_PM4_64PIO_64VCBM_64INDBM: info->CCEFifoSize = 64; break;
+ case R128_PM4_64BM_64VCBM_64INDBM: info->CCEFifoSize = 64; break;
+ case R128_PM4_64PIO_64VCPIO_64INDPIO: info->CCEFifoSize = 64; break;
+ }
+
+ if (info->directRenderingEnabled) {
+ /* Make sure the CCE is on for the X server */
+ R128CCE_START(pScrn, info);
+ } else {
+ /* Make sure the CCE is off for the X server */
+ R128CCE_STOP(pScrn, info);
+ }
+}
+
+/* Initialize the screen-specific data structures for the DRI and the
+ Rage 128. This is the main entry point to the device-specific
+ initialization code. It calls device-independent DRI functions to
+ create the DRI data structures and initialize the DRI state. */
+Bool R128DRIScreenInit(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ R128InfoPtr info = R128PTR(pScrn);
+ DRIInfoPtr pDRIInfo;
+ R128DRIPtr pR128DRI;
+ int major, minor, patch;
+ drmVersionPtr version;
+
+ /* Check that the GLX, DRI, and DRM modules have been loaded by testing
+ * for known symbols in each module. */
+ if (!xf86LoaderCheckSymbol("GlxSetVisualConfigs")) return FALSE;
+ if (!xf86LoaderCheckSymbol("DRIScreenInit")) return FALSE;
+ if (!xf86LoaderCheckSymbol("drmAvailable")) return FALSE;
+ if (!xf86LoaderCheckSymbol("DRIQueryVersion")) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[dri] R128DRIScreenInit failed (libdri.a too old)\n");
+ return FALSE;
+ }
+
+ /* Check the DRI version */
+ DRIQueryVersion(&major, &minor, &patch);
+ if (major != 4 || minor < 0) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[dri] R128DRIScreenInit failed because of a version mismatch.\n"
+ "[dri] libDRI version is %d.%d.%d but version 4.0.x is needed.\n"
+ "[dri] Disabling the DRI.\n",
+ major, minor, patch);
+ return FALSE;
+ }
+
+ switch (info->CurrentLayout.pixel_code) {
+ case 8:
+ /* These modes are not supported (yet). */
+ case 15:
+ case 24:
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[dri] R128DRIScreenInit failed (depth %d not supported). "
+ "[dri] Disabling DRI.\n", info->CurrentLayout.pixel_code);
+ return FALSE;
+
+ /* Only 16 and 32 color depths are supports currently. */
+ case 16:
+ case 32:
+ break;
+ }
+
+ /* Create the DRI data structure, and fill it in before calling the
+ DRIScreenInit(). */
+ if (!(pDRIInfo = DRICreateInfoRec())) return FALSE;
+
+ info->pDRIInfo = pDRIInfo;
+ pDRIInfo->drmDriverName = R128_DRIVER_NAME;
+ pDRIInfo->clientDriverName = R128_DRIVER_NAME;
+ pDRIInfo->busIdString = xalloc(64);
+ sprintf(pDRIInfo->busIdString,
+ "PCI:%d:%d:%d",
+ info->PciInfo->bus,
+ info->PciInfo->device,
+ info->PciInfo->func);
+ pDRIInfo->ddxDriverMajorVersion = R128_VERSION_MAJOR;
+ pDRIInfo->ddxDriverMinorVersion = R128_VERSION_MINOR;
+ pDRIInfo->ddxDriverPatchVersion = R128_VERSION_PATCH;
+ pDRIInfo->frameBufferPhysicalAddress = info->LinearAddr;
+ pDRIInfo->frameBufferSize = info->FbMapSize;
+ pDRIInfo->frameBufferStride = (pScrn->displayWidth *
+ info->CurrentLayout.pixel_bytes);
+ pDRIInfo->ddxDrawableTableEntry = R128_MAX_DRAWABLES;
+ pDRIInfo->maxDrawableTableEntry = (SAREA_MAX_DRAWABLES
+ < R128_MAX_DRAWABLES
+ ? SAREA_MAX_DRAWABLES
+ : R128_MAX_DRAWABLES);
+
+#ifdef NOT_DONE
+ /* FIXME: Need to extend DRI protocol to pass this size back to
+ * client for SAREA mapping that includes a device private record
+ */
+ pDRIInfo->SAREASize =
+ ((sizeof(XF86DRISAREARec) + 0xfff) & 0x1000); /* round to page */
+ /* + shared memory device private rec */
+#else
+ /* For now the mapping works by using a fixed size defined
+ * in the SAREA header
+ */
+ if (sizeof(XF86DRISAREARec)+sizeof(R128SAREAPriv)>SAREA_MAX) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[dri] Data does not fit in SAREA. Disabling DRI.\n");
+ return FALSE;
+ }
+ pDRIInfo->SAREASize = SAREA_MAX;
+#endif
+
+ if (!(pR128DRI = (R128DRIPtr)xcalloc(sizeof(R128DRIRec),1))) {
+ DRIDestroyInfoRec(info->pDRIInfo);
+ info->pDRIInfo = NULL;
+ return FALSE;
+ }
+ pDRIInfo->devPrivate = pR128DRI;
+ pDRIInfo->devPrivateSize = sizeof(R128DRIRec);
+ pDRIInfo->contextSize = sizeof(R128DRIContextRec);
+
+ pDRIInfo->CreateContext = R128CreateContext;
+ pDRIInfo->DestroyContext = R128DestroyContext;
+ pDRIInfo->SwapContext = R128DRISwapContext;
+ pDRIInfo->InitBuffers = R128DRIInitBuffers;
+ pDRIInfo->MoveBuffers = R128DRIMoveBuffers;
+ pDRIInfo->bufferRequests = DRI_ALL_WINDOWS;
+
+ pDRIInfo->createDummyCtx = TRUE;
+ pDRIInfo->createDummyCtxPriv = FALSE;
+
+ if (!DRIScreenInit(pScreen, pDRIInfo, &info->drmFD)) {
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[dri] DRIScreenInit failed. Disabling DRI.\n");
+ xfree(pDRIInfo->devPrivate);
+ pDRIInfo->devPrivate = NULL;
+ DRIDestroyInfoRec(pDRIInfo);
+ pDRIInfo = NULL;
+ return FALSE;
+ }
+
+ /* Check the DRM lib version.
+ drmGetLibVersion was not supported in version 1.0, so check for
+ symbol first to avoid possible crash or hang.
+ */
+ if (xf86LoaderCheckSymbol("drmGetLibVersion")) {
+ version = drmGetLibVersion(info->drmFD);
+ }
+ else {
+ /* drmlib version 1.0.0 didn't have the drmGetLibVersion
+ entry point. Fake it by allocating a version record
+ via drmGetVersion and changing it to version 1.0.0
+ */
+ version = drmGetVersion(info->drmFD);
+ version->version_major = 1;
+ version->version_minor = 0;
+ version->version_patchlevel = 0;
+ }
+
+ if (version) {
+ if (version->version_major != 1 ||
+ version->version_minor < 1) {
+ /* incompatible drm library version */
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[dri] R128DRIScreenInit failed because of a version mismatch.\n"
+ "[dri] libdrm.a module version is %d.%d.%d but version 1.1.x is needed.\n"
+ "[dri] Disabling DRI.\n",
+ version->version_major,
+ version->version_minor,
+ version->version_patchlevel);
+ drmFreeVersion(version);
+ R128DRICloseScreen(pScreen);
+ return FALSE;
+ }
+ drmFreeVersion(version);
+ }
+
+ /* Check the r128 DRM version */
+ version = drmGetVersion(info->drmFD);
+ if (version) {
+ if (version->version_major != 2 ||
+ version->version_minor < 2) {
+ /* incompatible drm version */
+ xf86DrvMsg(pScreen->myNum, X_ERROR,
+ "[dri] R128DRIScreenInit failed because of a version mismatch.\n"
+ "[dri] r128.o kernel module version is %d.%d.%d but version 2.2 or greater is needed.\n"
+ "[dri] Disabling the DRI.\n",
+ version->version_major,
+ version->version_minor,
+ version->version_patchlevel);
+ drmFreeVersion(version);
+ R128DRICloseScreen(pScreen);
+ return FALSE;
+ }
+ drmFreeVersion(version);
+ }
+
+ /* Initialize AGP */
+ if (!info->IsPCI && !R128DRIAgpInit(info, pScreen)) {
+ info->IsPCI = TRUE;
+ xf86DrvMsg(pScreen->myNum, X_WARNING,
+ "[agp] AGP failed to initialize -- falling back to PCI mode.\n");
+ xf86DrvMsg(pScreen->myNum, X_WARNING,
+ "[agp] Make sure you have the agpgart kernel module loaded.\n");
+ }
+
+ /* Initialize PCIGART */
+ if (info->IsPCI && !R128DRIPciInit(info, pScreen)) {
+ R128DRICloseScreen(pScreen);
+ return FALSE;
+ }
+
+ /* DRIScreenInit doesn't add all the
+ common mappings. Add additional
+ mappings here. */
+ if (!R128DRIMapInit(info, pScreen)) {
+ R128DRICloseScreen(pScreen);
+ return FALSE;
+ }
+
+ /* DRIScreenInit adds the frame buffer
+ map, but we need it as well */
+ {
+ void *scratch_ptr;
+ int scratch_int;
+
+ DRIGetDeviceInfo(pScreen, &info->fbHandle,
+ &scratch_int, &scratch_int,
+ &scratch_int, &scratch_int,
+ &scratch_ptr);
+ }
+
+ /* FIXME: When are these mappings unmapped? */
+
+ if (!R128InitVisualConfigs(pScreen)) {
+ R128DRICloseScreen(pScreen);
+ return FALSE;
+ }
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "[dri] Visual configs initialized\n");
+
+ return TRUE;
+}
+
+/* Finish initializing the device-dependent DRI state, and call
+ DRIFinishScreenInit() to complete the device-independent DRI
+ initialization. */
+Bool R128DRIFinishScreenInit(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ R128InfoPtr info = R128PTR(pScrn);
+ R128SAREAPrivPtr pSAREAPriv;
+ R128DRIPtr pR128DRI;
+
+ info->pDRIInfo->driverSwapMethod = DRI_HIDE_X_CONTEXT;
+ /* info->pDRIInfo->driverSwapMethod = DRI_SERVER_SWAP; */
+
+ /* NOTE: DRIFinishScreenInit must be called before *DRIKernelInit
+ because *DRIKernelInit requires that the hardware lock is held by
+ the X server, and the first time the hardware lock is grabbed is
+ in DRIFinishScreenInit. */
+ if (!DRIFinishScreenInit(pScreen)) {
+ R128DRICloseScreen(pScreen);
+ return FALSE;
+ }
+
+ /* Initialize the kernel data structures */
+ if (!R128DRIKernelInit(info, pScreen)) {
+ R128DRICloseScreen(pScreen);
+ return FALSE;
+ }
+
+ /* Initialize the vertex buffers list */
+ if (!R128DRIBufInit(info, pScreen)) {
+ R128DRICloseScreen(pScreen);
+ return FALSE;
+ }
+
+ /* Initialize IRQ */
+ R128DRIIrqInit(info, pScreen);
+
+ /* Initialize and start the CCE if required */
+ R128DRICCEInit(pScrn);
+
+ pSAREAPriv = (R128SAREAPrivPtr)DRIGetSAREAPrivate(pScreen);
+ memset(pSAREAPriv, 0, sizeof(*pSAREAPriv));
+
+ pR128DRI = (R128DRIPtr)info->pDRIInfo->devPrivate;
+
+ pR128DRI->deviceID = info->Chipset;
+ pR128DRI->width = pScrn->virtualX;
+ pR128DRI->height = pScrn->virtualY;
+ pR128DRI->depth = pScrn->depth;
+ pR128DRI->bpp = pScrn->bitsPerPixel;
+
+ pR128DRI->IsPCI = info->IsPCI;
+ pR128DRI->AGPMode = info->agpMode;
+
+ pR128DRI->frontOffset = info->frontOffset;
+ pR128DRI->frontPitch = info->frontPitch;
+ pR128DRI->backOffset = info->backOffset;
+ pR128DRI->backPitch = info->backPitch;
+ pR128DRI->depthOffset = info->depthOffset;
+ pR128DRI->depthPitch = info->depthPitch;
+ pR128DRI->spanOffset = info->spanOffset;
+ pR128DRI->textureOffset = info->textureOffset;
+ pR128DRI->textureSize = info->textureSize;
+ pR128DRI->log2TexGran = info->log2TexGran;
+
+ pR128DRI->registerHandle = info->registerHandle;
+ pR128DRI->registerSize = info->registerSize;
+
+ pR128DRI->agpTexHandle = info->agpTexHandle;
+ pR128DRI->agpTexMapSize = info->agpTexMapSize;
+ pR128DRI->log2AGPTexGran = info->log2AGPTexGran;
+ pR128DRI->agpTexOffset = info->agpTexStart;
+ pR128DRI->sarea_priv_offset = sizeof(XF86DRISAREARec);
+
+ return TRUE;
+}
+
+/* The screen is being closed, so clean up any state and free any
+ resources used by the DRI. */
+void R128DRICloseScreen(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ R128InfoPtr info = R128PTR(pScrn);
+ drmR128Init drmInfo;
+
+ /* Stop the CCE if it is still in use */
+ if (info->directRenderingEnabled) {
+ R128CCE_STOP(pScrn, info);
+ }
+
+ if (info->irq) {
+ drmCtlUninstHandler(info->drmFD);
+ info->irq = 0;
+ }
+
+ /* De-allocate vertex buffers */
+ if (info->buffers) {
+ drmUnmapBufs(info->buffers);
+ info->buffers = NULL;
+ }
+
+ /* De-allocate all kernel resources */
+ memset(&drmInfo, 0, sizeof(drmR128Init));
+ drmInfo.func = DRM_R128_CLEANUP_CCE;
+ drmCommandWrite(info->drmFD, DRM_R128_INIT,
+ &drmInfo, sizeof(drmR128Init));
+
+ /* De-allocate all AGP resources */
+ if (info->agpTex) {
+ drmUnmap(info->agpTex, info->agpTexMapSize);
+ info->agpTex = NULL;
+ }
+ if (info->buf) {
+ drmUnmap(info->buf, info->bufMapSize);
+ info->buf = NULL;
+ }
+ if (info->ringReadPtr) {
+ drmUnmap(info->ringReadPtr, info->ringReadMapSize);
+ info->ringReadPtr = NULL;
+ }
+ if (info->ring) {
+ drmUnmap(info->ring, info->ringMapSize);
+ info->ring = NULL;
+ }
+ if (info->agpMemHandle) {
+ drmAgpUnbind(info->drmFD, info->agpMemHandle);
+ drmAgpFree(info->drmFD, info->agpMemHandle);
+ info->agpMemHandle = 0;
+ drmAgpRelease(info->drmFD);
+ }
+ if (info->pciMemHandle) {
+ drmScatterGatherFree(info->drmFD, info->pciMemHandle);
+ info->pciMemHandle = 0;
+ }
+
+ /* De-allocate all DRI resources */
+ DRICloseScreen(pScreen);
+
+ /* De-allocate all DRI data structures */
+ if (info->pDRIInfo) {
+ if (info->pDRIInfo->devPrivate) {
+ xfree(info->pDRIInfo->devPrivate);
+ info->pDRIInfo->devPrivate = NULL;
+ }
+ DRIDestroyInfoRec(info->pDRIInfo);
+ info->pDRIInfo = NULL;
+ }
+ if (info->pVisualConfigs) {
+ xfree(info->pVisualConfigs);
+ info->pVisualConfigs = NULL;
+ }
+ if (info->pVisualConfigsPriv) {
+ xfree(info->pVisualConfigsPriv);
+ info->pVisualConfigsPriv = NULL;
+ }
+}