/* The screen is being closed, so clean up any state and free any
resources used by the DRI. */
void R128DRICloseScreen(const DRIDriverContext *ctx)
{
R128InfoPtr info = ctx->driverPrivate;
drm_r128_init_t drmInfo;
/* Stop the CCE if it is still in use */
R128CCE_STOP(ctx, info);
if (info->irq) {
drmCtlUninstHandler(ctx->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(drmInfo));
drmInfo.func = R128_CLEANUP_CCE;
drmCommandWrite(ctx->drmFD, DRM_R128_INIT,
&drmInfo, sizeof(drmInfo));
/* 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 != DRM_AGP_NO_HANDLE) {
drmAgpUnbind(ctx->drmFD, info->agpMemHandle);
drmAgpFree(ctx->drmFD, info->agpMemHandle);
info->agpMemHandle = 0;
drmAgpRelease(ctx->drmFD);
}
if (info->pciMemHandle) {
drmScatterGatherFree(ctx->drmFD, info->pciMemHandle);
info->pciMemHandle = 0;
}
}
void
I810DRICloseScreen(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
I810Ptr pI810 = I810PTR(pScrn);
if (pI810->pDRIInfo) {
I810DRIPtr pI810DRI = (I810DRIPtr) pI810->pDRIInfo->devPrivate;
if (pI810DRI) {
if (pI810DRI->irq) {
drmCtlUninstHandler(pI810->drmSubFD);
pI810DRI->irq = 0;
}
free(pI810->pDRIInfo->devPrivate);
pI810->pDRIInfo->devPrivate = NULL;
}
I810CleanupDma(pScrn);
DRICloseScreen(pScreen);
DRIDestroyInfoRec(pI810->pDRIInfo);
pI810->pDRIInfo = NULL;
}
if (pI810->dcacheHandle!=DRM_AGP_NO_HANDLE)
drmAgpFree(pI810->drmSubFD, pI810->dcacheHandle);
if (pI810->backHandle!=DRM_AGP_NO_HANDLE)
drmAgpFree(pI810->drmSubFD, pI810->backHandle);
if (pI810->zHandle!=DRM_AGP_NO_HANDLE)
drmAgpFree(pI810->drmSubFD, pI810->zHandle);
if (pI810->cursorHandle!=DRM_AGP_NO_HANDLE)
drmAgpFree(pI810->drmSubFD, pI810->cursorHandle);
if (pI810->xvmcHandle!=DRM_AGP_NO_HANDLE)
drmAgpFree(pI810->drmSubFD, pI810->xvmcHandle);
if (pI810->sysmemHandle!=DRM_AGP_NO_HANDLE)
drmAgpFree(pI810->drmSubFD, pI810->sysmemHandle);
if (pI810->agpAcquired == TRUE)
drmAgpRelease(pI810->drmSubFD);
pI810->backHandle = DRM_AGP_NO_HANDLE;
pI810->zHandle = DRM_AGP_NO_HANDLE;
pI810->cursorHandle = DRM_AGP_NO_HANDLE;
pI810->xvmcHandle = DRM_AGP_NO_HANDLE;
pI810->sysmemHandle = DRM_AGP_NO_HANDLE;
pI810->agpAcquired = FALSE;
pI810->dcacheHandle = DRM_AGP_NO_HANDLE;
}
Bool
I810DRILeave(ScrnInfoPtr pScrn)
{
I810Ptr pI810 = I810PTR(pScrn);
if (pI810->directRenderingEnabled) {
if (pI810->dcacheHandle != 0)
if (drmAgpUnbind(pI810->drmSubFD, pI810->dcacheHandle) != 0) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"%s\n",strerror(errno));
return FALSE;
}
if (pI810->backHandle != 0)
if (drmAgpUnbind(pI810->drmSubFD, pI810->backHandle) != 0) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"%s\n",strerror(errno));
return FALSE;
}
if (pI810->zHandle != 0)
if (drmAgpUnbind(pI810->drmSubFD, pI810->zHandle) != 0) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"%s\n",strerror(errno));
return FALSE;
}
if (pI810->sysmemHandle != 0)
if (drmAgpUnbind(pI810->drmSubFD, pI810->sysmemHandle) != 0) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"%s\n",strerror(errno));
return FALSE;
}
if (pI810->xvmcHandle != 0)
if (drmAgpUnbind(pI810->drmSubFD, pI810->xvmcHandle) != 0) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"%s\n",strerror(errno));
return FALSE;
}
if (pI810->cursorHandle != 0)
if (drmAgpUnbind(pI810->drmSubFD, pI810->cursorHandle) != 0) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"%s\n",strerror(errno));
return FALSE;
}
if (pI810->cursorARGBHandle != 0)
if (drmAgpUnbind(pI810->drmSubFD, pI810->cursorARGBHandle) != 0) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"%s\n",strerror(errno));
return FALSE;
}
if (pI810->agpAcquired == TRUE)
drmAgpRelease(pI810->drmSubFD);
pI810->agpAcquired = FALSE;
}
return TRUE;
}
/* Initialize the AGP state. Request memory for use in AGP space, and
initialize the Rage 128 registers to point to that memory. */
static GLboolean R128DRIAgpInit(const DRIDriverContext *ctx)
{
unsigned char *R128MMIO = ctx->MMIOAddress;
R128InfoPtr info = ctx->driverPrivate;
unsigned long mode;
unsigned int vendor, device;
int ret;
unsigned long cntl, chunk;
int s, l;
int flags;
unsigned long agpBase;
if (drmAgpAcquire(ctx->drmFD) < 0) {
fprintf(stderr, "[agp] AGP not available\n");
return GL_FALSE;
}
/* Modify the mode if the default mode is
not appropriate for this particular
combination of graphics card and AGP
chipset. */
mode = drmAgpGetMode(ctx->drmFD); /* Default mode */
vendor = drmAgpVendorId(ctx->drmFD);
device = drmAgpDeviceId(ctx->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;
}
fprintf(stderr,
"[agp] Mode 0x%08lx [AGP 0x%04x/0x%04x; Card 0x%04x/0x%04x]\n",
mode, vendor, device,
0x1002,
info->Chipset);
if (drmAgpEnable(ctx->drmFD, mode) < 0) {
fprintf(stderr, "[agp] AGP not enabled\n");
drmAgpRelease(ctx->drmFD);
return GL_FALSE;
}
info->agpOffset = 0;
if ((ret = drmAgpAlloc(ctx->drmFD, info->agpSize*1024*1024, 0, NULL,
&info->agpMemHandle)) < 0) {
fprintf(stderr, "[agp] Out of memory (%d)\n", ret);
drmAgpRelease(ctx->drmFD);
return GL_FALSE;
}
fprintf(stderr,
"[agp] %d kB allocated with handle 0x%08x\n",
info->agpSize*1024, info->agpMemHandle);
if (drmAgpBind(ctx->drmFD, info->agpMemHandle, info->agpOffset) < 0) {
fprintf(stderr, "[agp] Could not bind\n");
drmAgpFree(ctx->drmFD, info->agpMemHandle);
drmAgpRelease(ctx->drmFD);
return GL_FALSE;
}
/* Initialize the CCE ring buffer data */
info->ringStart = info->agpOffset;
info->ringMapSize = info->ringSize*1024*1024 + r128_drm_page_size;
info->ringSizeLog2QW = R128MinBits(info->ringSize*1024*1024/8) - 1;
info->ringReadOffset = info->ringStart + info->ringMapSize;
info->ringReadMapSize = r128_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(ctx->drmFD, info->ringStart, info->ringMapSize,
DRM_AGP, flags, &info->ringHandle) < 0) {
fprintf(stderr,
"[agp] Could not add ring mapping\n");
return GL_FALSE;
}
fprintf(stderr,
"[agp] ring handle = 0x%08x\n", info->ringHandle);
if (drmMap(ctx->drmFD, info->ringHandle, info->ringMapSize,
(drmAddressPtr)&info->ring) < 0) {
fprintf(stderr, "[agp] Could not map ring\n");
return GL_FALSE;
}
fprintf(stderr,
"[agp] Ring mapped at 0x%08lx\n",
(unsigned long)info->ring);
if (drmAddMap(ctx->drmFD, info->ringReadOffset, info->ringReadMapSize,
DRM_AGP, flags, &info->ringReadPtrHandle) < 0) {
fprintf(stderr,
"[agp] Could not add ring read ptr mapping\n");
return GL_FALSE;
}
fprintf(stderr,
"[agp] ring read ptr handle = 0x%08x\n",
info->ringReadPtrHandle);
if (drmMap(ctx->drmFD, info->ringReadPtrHandle, info->ringReadMapSize,
(drmAddressPtr)&info->ringReadPtr) < 0) {
fprintf(stderr,
"[agp] Could not map ring read ptr\n");
return GL_FALSE;
}
fprintf(stderr,
"[agp] Ring read ptr mapped at 0x%08lx\n",
(unsigned long)info->ringReadPtr);
if (drmAddMap(ctx->drmFD, info->bufStart, info->bufMapSize,
DRM_AGP, 0, &info->bufHandle) < 0) {
fprintf(stderr,
"[agp] Could not add vertex/indirect buffers mapping\n");
return GL_FALSE;
}
fprintf(stderr,
"[agp] vertex/indirect buffers handle = 0x%08lx\n",
info->bufHandle);
if (drmMap(ctx->drmFD, info->bufHandle, info->bufMapSize,
(drmAddressPtr)&info->buf) < 0) {
fprintf(stderr,
"[agp] Could not map vertex/indirect buffers\n");
return GL_FALSE;
}
fprintf(stderr,
"[agp] Vertex/indirect buffers mapped at 0x%08lx\n",
(unsigned long)info->buf);
if (drmAddMap(ctx->drmFD, info->agpTexStart, info->agpTexMapSize,
DRM_AGP, 0, &info->agpTexHandle) < 0) {
fprintf(stderr,
"[agp] Could not add AGP texture map mapping\n");
return GL_FALSE;
}
fprintf(stderr,
"[agp] AGP texture map handle = 0x%08lx\n",
info->agpTexHandle);
if (drmMap(ctx->drmFD, info->agpTexHandle, info->agpTexMapSize,
(drmAddressPtr)&info->agpTex) < 0) {
fprintf(stderr,
"[agp] Could not map AGP texture map\n");
return GL_FALSE;
}
fprintf(stderr,
"[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:
fprintf(stderr,
"[agp] Illegal aperture size %d kB\n",
info->agpSize*1024);
return GL_FALSE;
}
agpBase = drmAgpBase(ctx->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 GL_TRUE;
}