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xenocara/xserver/hw/kdrive/ati/ati_dri.c

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/*
* Copyright © 2003 Eric Anholt
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Eric Anholt not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Eric Anholt makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/time.h>
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include "ati.h"
#include "ati_reg.h"
#include "ati_dma.h"
#include "ati_dri.h"
#include "ati_dripriv.h"
#include "sarea.h"
#include "ati_sarea.h"
#include "ati_draw.h"
#include "r128_common.h"
#include "radeon_common.h"
#include "kaa.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
#ifdef GLXEXT
/* 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 ATIInitVisualConfigs(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
int numConfigs = 0;
__GLXvisualConfig *pConfigs = NULL;
ATIConfigPrivPtr pATIConfigs = NULL;
ATIConfigPrivPtr *pATIConfigPtrs = NULL;
int i, accum, stencil, db, use_db;
int depth = pScreenPriv->screen->fb[0].depth;
int bpp = pScreenPriv->screen->fb[0].bitsPerPixel;
if (depth != 16 && (depth != 24 || bpp != 32))
ErrorF("DRI GLX unsupported at %d/%d depth/bpp\n", depth, bpp);
if (atis->depthOffset != 0)
use_db = 1;
else
use_db = 0;
numConfigs = 4;
if (use_db)
numConfigs *= 2;
pConfigs = xcalloc(sizeof(__GLXvisualConfig), numConfigs);
pATIConfigs = xcalloc(sizeof(ATIConfigPrivRec), numConfigs);
pATIConfigPtrs = xcalloc(sizeof(ATIConfigPrivPtr), numConfigs);
if (pConfigs == NULL || pATIConfigs == NULL || pATIConfigPtrs == NULL) {
xfree(pConfigs);
xfree(pATIConfigs);
xfree(pATIConfigPtrs);
return FALSE;
}
i = 0;
for (db = 0; db <= use_db; db++) {
for (accum = 0; accum <= 1; accum++) {
for (stencil = 0; stencil <= 1; stencil++) {
pATIConfigPtrs[i] = &pATIConfigs[i];
pConfigs[i].vid = (VisualID)(-1);
pConfigs[i].class = -1;
pConfigs[i].rgba = TRUE;
if (depth == 16) {
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;
} else {
pConfigs[i].redSize = 8;
pConfigs[i].greenSize = 8;
pConfigs[i].blueSize = 8;
pConfigs[i].alphaSize = 8;
pConfigs[i].redMask = 0x00FF0000;
pConfigs[i].greenMask = 0x0000FF00;
pConfigs[i].blueMask = 0x000000FF;
pConfigs[i].alphaMask = 0xFF000000;
}
if (accum) { /* Simulated in software */
pConfigs[i].accumRedSize = 16;
pConfigs[i].accumGreenSize = 16;
pConfigs[i].accumBlueSize = 16;
if (depth == 16)
pConfigs[i].accumAlphaSize = 0;
else
pConfigs[i].accumAlphaSize = 16;
} 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;
if (depth == 16) {
pConfigs[i].bufferSize = 16;
pConfigs[i].depthSize = 16;
if (stencil)
pConfigs[i].stencilSize = 8;
else
pConfigs[i].stencilSize = 0;
} else {
pConfigs[i].bufferSize = 32;
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) {
pConfigs[i].visualRating = GLX_SLOW_CONFIG;
} else {
pConfigs[i].visualRating = GLX_NONE;
}
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++;
}
}
}
atis->numVisualConfigs = numConfigs;
atis->pVisualConfigs = pConfigs;
atis->pVisualConfigsPriv = pATIConfigs;
GlxSetVisualConfigs(numConfigs, pConfigs, (void**)pATIConfigPtrs);
return TRUE;
}
#endif /* GLXEXT */
static void
ATIDRIInitGARTValues(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
int s, l;
atis->gartOffset = 0;
/* Initialize the ring buffer data */
atis->ringStart = atis->gartOffset;
atis->ringMapSize = atis->ringSize * 1024 * 1024 + DRM_PAGE_SIZE;
atis->ringReadOffset = atis->ringStart + atis->ringMapSize;
atis->ringReadMapSize = DRM_PAGE_SIZE;
/* Reserve space for vertex/indirect buffers */
atis->bufStart = atis->ringReadOffset + atis->ringReadMapSize;
atis->bufMapSize = atis->bufSize * 1024 * 1024;
/* Reserve the rest for GART textures */
atis->gartTexStart = atis->bufStart + atis->bufMapSize;
s = (atis->gartSize * 1024 * 1024 - atis->gartTexStart);
l = ATILog2((s-1) / ATI_NR_TEX_REGIONS);
if (l < ATI_LOG_TEX_GRANULARITY) l = ATI_LOG_TEX_GRANULARITY;
atis->gartTexMapSize = (s >> l) << l;
atis->log2GARTTexGran = l;
}
static int
ATIDRIAddAndMap(int fd, drmHandle offset, drmSize size,
drmMapType type, drmMapFlags flags, drmHandlePtr handle,
drmAddressPtr address, char *desc)
{
char *name;
name = (type == DRM_AGP) ? "agp" : "pci";
if (drmAddMap(fd, offset, size, type, flags, handle) < 0) {
ErrorF("[%s] Could not add %s mapping\n", name, desc);
return FALSE;
}
ErrorF("[%s] %s handle = 0x%08lx\n", name, desc, *handle);
if (drmMap(fd, *handle, size, address) < 0) {
ErrorF("[%s] Could not map %s\n", name, desc);
return FALSE;
}
ErrorF("[%s] %s mapped at 0x%08lx\n", name, desc, *address);
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 Bool
ATIDRIAgpInit(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
ATICardInfo(pScreenPriv);
unsigned char *mmio = atic->reg_base;
unsigned long mode;
int ret;
CARD32 cntl, chunk;
if (drmAgpAcquire(atic->drmFd) < 0) {
ErrorF("[agp] AGP not available\n");
return FALSE;
}
ATIDRIInitGARTValues(pScreen);
mode = drmAgpGetMode(atic->drmFd);
if (atic->is_radeon) {
mode &= ~RADEON_AGP_MODE_MASK;
mode |= RADEON_AGP_1X_MODE;
} else {
mode &= ~R128_AGP_MODE_MASK;
mode |= R128_AGP_1X_MODE;
}
if (drmAgpEnable(atic->drmFd, mode) < 0) {
ErrorF("[agp] AGP not enabled\n");
drmAgpRelease(atic->drmFd);
return FALSE;
}
ErrorF("[agp] Mode 0x%08x selected\n", drmAgpGetMode(atic->drmFd));
if ((ret = drmAgpAlloc(atic->drmFd, atis->gartSize * 1024 * 1024, 0,
NULL, &atis->agpMemHandle)) < 0) {
ErrorF("[agp] Out of memory (%d)\n", ret);
drmAgpRelease(atic->drmFd);
return FALSE;
}
ErrorF("[agp] %d kB allocated with handle 0x%08lx\n",
atis->gartSize * 1024, (long)atis->agpMemHandle);
if (drmAgpBind(atic->drmFd, atis->agpMemHandle, atis->gartOffset) < 0) {
ErrorF("[agp] Could not bind\n");
drmAgpFree(atic->drmFd, atis->agpMemHandle);
drmAgpRelease(atic->drmFd);
return FALSE;
}
if (!ATIDRIAddAndMap(atic->drmFd, atis->ringStart, atis->ringMapSize,
DRM_AGP, DRM_READ_ONLY, &atis->ringHandle,
(drmAddressPtr)&atis->ring, "ring"))
return FALSE;
if (!ATIDRIAddAndMap(atic->drmFd, atis->ringReadOffset,
atis->ringReadMapSize, DRM_AGP, DRM_READ_ONLY,
&atis->ringReadPtrHandle, (drmAddressPtr)&atis->ringReadPtr,
"ring read ptr"))
return FALSE;
if (!ATIDRIAddAndMap(atic->drmFd, atis->bufStart, atis->bufMapSize,
DRM_AGP, 0, &atis->bufHandle, (drmAddressPtr)&atis->buf,
"vertex/indirect buffers"))
return FALSE;
if (!ATIDRIAddAndMap(atic->drmFd, atis->gartTexStart,
atis->gartTexMapSize, DRM_AGP, 0, &atis->gartTexHandle,
(drmAddressPtr)&atis->gartTex, "AGP texture map"))
return FALSE;
if (atic->is_r100) {
/* Workaround for some hardware bugs */
cntl = MMIO_IN32(mmio, ATI_REG_AGP_CNTL);
MMIO_OUT32(mmio, ATI_REG_AGP_CNTL, cntl |
RADEON_PENDING_SLOTS_VAL | RADEON_PENDING_SLOTS_SEL);
} else if (!atic->is_radeon) {
cntl = MMIO_IN32(mmio, ATI_REG_AGP_CNTL);
cntl &= ~R128_AGP_APER_SIZE_MASK;
switch (atis->gartSize) {
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:
ErrorF("[agp] Illegal aperture size %d kB\n", atis->gartSize *
1024);
return FALSE;
}
MMIO_OUT32(mmio, ATI_REG_AGP_CNTL, cntl);
/* Disable Rage 128 PCIGART registers */
chunk = MMIO_IN32(mmio, R128_REG_BM_CHUNK_0_VAL);
chunk &= ~(R128_BM_PTR_FORCE_TO_PCI |
R128_BM_PM4_RD_FORCE_TO_PCI |
R128_BM_GLOBAL_FORCE_TO_PCI);
MMIO_OUT32(mmio, R128_REG_BM_CHUNK_0_VAL, chunk);
/* Ensure AGP GART is used (for now) */
MMIO_OUT32(mmio, R128_REG_PCI_GART_PAGE, 1);
}
MMIO_OUT32(mmio, ATI_REG_AGP_BASE, drmAgpBase(atic->drmFd));
return TRUE;
}
static Bool
ATIDRIPciInit(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
ATICardInfo(pScreenPriv);
unsigned char *mmio = atic->reg_base;
CARD32 chunk;
int ret;
ATIDRIInitGARTValues(pScreen);
ret = drmScatterGatherAlloc(atic->drmFd, atis->gartSize * 1024 * 1024,
&atis->pciMemHandle);
if (ret < 0) {
ErrorF("[pci] Out of memory (%d)\n", ret);
return FALSE;
}
ErrorF("[pci] %d kB allocated with handle 0x%08lx\n",
atis->gartSize * 1024, (long)atis->pciMemHandle);
if (!ATIDRIAddAndMap(atic->drmFd, atis->ringStart, atis->ringMapSize,
DRM_SCATTER_GATHER, DRM_READ_ONLY | DRM_LOCKED | DRM_KERNEL,
&atis->ringHandle, (drmAddressPtr)&atis->ring, "ring"))
return FALSE;
if (!ATIDRIAddAndMap(atic->drmFd, atis->ringReadOffset,
atis->ringReadMapSize, DRM_SCATTER_GATHER,
DRM_READ_ONLY | DRM_LOCKED | DRM_KERNEL,
&atis->ringReadPtrHandle, (drmAddressPtr)&atis->ringReadPtr,
"ring read ptr"))
return FALSE;
if (!ATIDRIAddAndMap(atic->drmFd, atis->bufStart, atis->bufMapSize,
DRM_SCATTER_GATHER, 0, &atis->bufHandle, (drmAddressPtr)&atis->buf,
"vertex/indirect buffers"))
return FALSE;
if (!ATIDRIAddAndMap(atic->drmFd, atis->gartTexStart,
atis->gartTexMapSize, DRM_SCATTER_GATHER, 0, &atis->gartTexHandle,
(drmAddressPtr)&atis->gartTex, "PCI texture map"))
return FALSE;
if (!atic->is_radeon) {
/* Force PCI GART mode */
chunk = MMIO_IN32(mmio, R128_REG_BM_CHUNK_0_VAL);
chunk |= (R128_BM_PTR_FORCE_TO_PCI |
R128_BM_PM4_RD_FORCE_TO_PCI | R128_BM_GLOBAL_FORCE_TO_PCI);
MMIO_OUT32(mmio, R128_REG_BM_CHUNK_0_VAL, chunk);
/* Ensure PCI GART is used */
MMIO_OUT32(mmio, R128_REG_PCI_GART_PAGE, 0);
}
return TRUE;
}
/* Initialize the kernel data structures. */
static int
R128DRIKernelInit(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
ATICardInfo(pScreenPriv);
drmR128Init drmInfo;
int bpp = pScreenPriv->screen->fb[0].bitsPerPixel;
memset(&drmInfo, 0, sizeof(drmR128Init) );
drmInfo.func = DRM_R128_INIT_CCE;
drmInfo.sarea_priv_offset = sizeof(XF86DRISAREARec);
drmInfo.is_pci = !atis->using_agp;
drmInfo.cce_mode = R128_PM4_64BM_64VCBM_64INDBM;
drmInfo.cce_secure = TRUE;
drmInfo.ring_size = atis->ringSize * 1024 * 1024;
drmInfo.usec_timeout = atis->DMAusecTimeout;
drmInfo.front_offset = atis->frontOffset;
drmInfo.front_pitch = atis->frontPitch / (bpp / 8);
drmInfo.back_offset = atis->backOffset;
drmInfo.back_pitch = atis->backPitch / (bpp / 8);
drmInfo.fb_bpp = bpp;
drmInfo.depth_offset = atis->depthOffset;
drmInfo.depth_pitch = atis->depthPitch / (bpp / 8);
drmInfo.depth_bpp = bpp;
drmInfo.span_offset = atis->spanOffset;
drmInfo.fb_offset = atis->fbHandle;
drmInfo.mmio_offset = atis->registerHandle;
drmInfo.ring_offset = atis->ringHandle;
drmInfo.ring_rptr_offset = atis->ringReadPtrHandle;
drmInfo.buffers_offset = atis->bufHandle;
drmInfo.agp_textures_offset = atis->gartTexHandle;
if (drmCommandWrite(atic->drmFd, DRM_R128_INIT, &drmInfo,
sizeof(drmR128Init)) < 0)
return FALSE;
return TRUE;
}
/* Initialize the kernel data structures */
static int
RadeonDRIKernelInit(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
ATICardInfo(pScreenPriv);
drmRadeonInit drmInfo;
memset(&drmInfo, 0, sizeof(drmRadeonInit));
if (atic->is_r200)
drmInfo.func = DRM_RADEON_INIT_R200_CP;
else
drmInfo.func = DRM_RADEON_INIT_CP;
drmInfo.sarea_priv_offset = sizeof(XF86DRISAREARec);
drmInfo.is_pci = !atis->using_agp;
drmInfo.cp_mode = RADEON_CSQ_PRIBM_INDBM;
drmInfo.gart_size = atis->gartSize * 1024 * 1024;
drmInfo.ring_size = atis->ringSize * 1024 * 1024;
drmInfo.usec_timeout = atis->DMAusecTimeout;
drmInfo.front_offset = atis->frontOffset;
drmInfo.front_pitch = atis->frontPitch;
drmInfo.back_offset = atis->backOffset;
drmInfo.back_pitch = atis->backPitch;
drmInfo.fb_bpp = pScreenPriv->screen->fb[0].bitsPerPixel;
drmInfo.depth_offset = atis->depthOffset;
drmInfo.depth_pitch = atis->depthPitch;
drmInfo.depth_bpp = pScreenPriv->screen->fb[0].bitsPerPixel;
drmInfo.fb_offset = atis->fbHandle;
drmInfo.mmio_offset = atis->registerHandle;
drmInfo.ring_offset = atis->ringHandle;
drmInfo.ring_rptr_offset = atis->ringReadPtrHandle;
drmInfo.buffers_offset = atis->bufHandle;
drmInfo.gart_textures_offset = atis->gartTexHandle;
if (drmCommandWrite(atic->drmFd, DRM_RADEON_CP_INIT,
&drmInfo, sizeof(drmRadeonInit)) < 0)
return FALSE;
return TRUE;
}
/* Add a map for the vertex buffers that will be accessed by any
DRI-based clients. */
static Bool
ATIDRIBufInit(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
ATICardInfo(pScreenPriv);
int type, size;
if (atic->is_radeon)
size = RADEON_BUFFER_SIZE;
else
size = R128_BUFFER_SIZE;
if (atis->using_agp)
type = DRM_AGP_BUFFER;
else
type = DRM_SG_BUFFER;
/* Initialize vertex buffers */
atis->bufNumBufs = drmAddBufs(atic->drmFd, atis->bufMapSize / size,
size, type, atis->bufStart);
if (atis->bufNumBufs <= 0) {
ErrorF("[drm] Could not create vertex/indirect buffers list\n");
return FALSE;
}
ErrorF("[drm] Added %d %d byte vertex/indirect buffers\n",
atis->bufNumBufs, size);
atis->buffers = drmMapBufs(atic->drmFd);
if (atis->buffers == NULL) {
ErrorF("[drm] Failed to map vertex/indirect buffers list\n");
return FALSE;
}
ErrorF("[drm] Mapped %d vertex/indirect buffers\n",
atis->buffers->count);
return TRUE;
}
static int
ATIDRIIrqInit(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
ATICardInfo(pScreenPriv);
if (atis->irqEnabled)
return FALSE;
atis->irqEnabled = drmCtlInstHandler(atic->drmFd, 0);
if (!atis->irqEnabled)
return FALSE;
return TRUE;
}
static void ATIDRISwapContext(ScreenPtr pScreen, DRISyncType syncType,
DRIContextType oldContextType, void *oldContext,
DRIContextType newContextType, void *newContext)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
if ((syncType==DRI_3D_SYNC) && (oldContextType==DRI_2D_CONTEXT) &&
(newContextType==DRI_2D_CONTEXT)) {
/* Entering from Wakeup */
kaaMarkSync(pScreen);
}
if ((syncType==DRI_2D_SYNC) && (oldContextType==DRI_NO_CONTEXT) &&
(newContextType==DRI_2D_CONTEXT)) {
/* Exiting from Block Handler */
if (atis->dma_started)
ATIFlushIndirect(atis, 1);
}
}
static Bool ATIDRIFinishScreenInit(ScreenPtr pScreen);
/* Initialize the screen-specific data structures for the Radeon or
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
ATIDRIScreenInit(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
ATICardInfo(pScreenPriv);
void *scratch_ptr;
int scratch_int;
DRIInfoPtr pDRIInfo;
int devSareaSize;
drmSetVersion sv;
if (pScreenPriv->screen->fb[0].depth < 16 ||
pScreenPriv->screen->fb[0].bitsPerPixel == 24) {
ErrorF("DRI unsupported at this depth/bpp, disabling.\n");
return FALSE;
}
atis->agpMode = 1;
atis->gartSize = 8;
atis->ringSize = 1;
atis->bufSize = 2;
atis->gartTexSize = 1;
atis->DMAusecTimeout = 10000;
if (atic->drmFd < 0)
return FALSE;
sv.drm_di_major = -1;
sv.drm_dd_major = -1;
drmSetInterfaceVersion(atic->drmFd, &sv);
if (atic->is_radeon) {
if (sv.drm_dd_major != 1 || sv.drm_dd_minor < 6) {
ErrorF("[dri] radeon kernel module version is %d.%d "
"but version 1.6 or greater is needed.\n",
sv.drm_dd_major, sv.drm_dd_minor);
return FALSE;
}
} else {
if (sv.drm_dd_major != 2 || sv.drm_dd_minor < 2) {
ErrorF("[dri] r128 kernel module version is %d.%d "
"but version 2.2 or greater is needed.\n",
sv.drm_dd_major, sv.drm_dd_minor);
return FALSE;
}
}
/* Create the DRI data structure, and fill it in before calling the
* DRIScreenInit().
*/
pDRIInfo = DRICreateInfoRec();
if (pDRIInfo == NULL)
return FALSE;
atis->pDRIInfo = pDRIInfo;
pDRIInfo->busIdString = atic->busid;
if (atic->is_radeon) {
pDRIInfo->drmDriverName = "radeon";
if (atic->is_r100)
pDRIInfo->clientDriverName = "radeon";
else
pDRIInfo->clientDriverName = "r200";
} else {
pDRIInfo->drmDriverName = "r128";
pDRIInfo->clientDriverName = "r128";
}
pDRIInfo->ddxDriverMajorVersion = 4;
pDRIInfo->ddxDriverMinorVersion = 0;
pDRIInfo->ddxDriverPatchVersion = 0;
pDRIInfo->frameBufferPhysicalAddress =
pScreenPriv->card->attr.address[0] & 0xfc000000;
pDRIInfo->frameBufferSize = pScreenPriv->screen->memory_size;
pDRIInfo->frameBufferStride = pScreenPriv->screen->fb[0].byteStride;
pDRIInfo->ddxDrawableTableEntry = SAREA_MAX_DRAWABLES;
pDRIInfo->maxDrawableTableEntry = SAREA_MAX_DRAWABLES;
/* For now the mapping works by using a fixed size defined
* in the SAREA header
*/
pDRIInfo->SAREASize = SAREA_MAX;
if (atic->is_radeon) {
pDRIInfo->devPrivateSize = sizeof(RADEONDRIRec);
devSareaSize = sizeof(RADEONSAREAPriv);
} else {
pDRIInfo->devPrivateSize = sizeof(R128DRIRec);
devSareaSize = sizeof(R128SAREAPriv);
}
if (sizeof(XF86DRISAREARec) + devSareaSize > SAREA_MAX) {
ErrorF("[dri] Data does not fit in SAREA. Disabling DRI.\n");
return FALSE;
}
pDRIInfo->devPrivate = xcalloc(pDRIInfo->devPrivateSize, 1);
if (pDRIInfo->devPrivate == NULL) {
DRIDestroyInfoRec(atis->pDRIInfo);
atis->pDRIInfo = NULL;
return FALSE;
}
pDRIInfo->contextSize = sizeof(ATIDRIContextRec);
pDRIInfo->SwapContext = ATIDRISwapContext;
/*pDRIInfo->InitBuffers = R128DRIInitBuffers;*/ /* XXX Appears unnecessary */
/*pDRIInfo->MoveBuffers = R128DRIMoveBuffers;*/ /* XXX Badness */
pDRIInfo->bufferRequests = DRI_ALL_WINDOWS;
/*pDRIInfo->TransitionTo2d = R128DRITransitionTo2d;
pDRIInfo->TransitionTo3d = R128DRITransitionTo3d;
pDRIInfo->TransitionSingleToMulti3D = R128DRITransitionSingleToMulti3d;
pDRIInfo->TransitionMultiToSingle3D = R128DRITransitionMultiToSingle3d;*/
pDRIInfo->createDummyCtx = TRUE;
pDRIInfo->createDummyCtxPriv = FALSE;
if (!DRIScreenInit(pScreen, pDRIInfo, &atic->drmFd)) {
ErrorF("[dri] DRIScreenInit failed. Disabling DRI.\n");
xfree(pDRIInfo->devPrivate);
pDRIInfo->devPrivate = NULL;
DRIDestroyInfoRec(pDRIInfo);
pDRIInfo = NULL;
return FALSE;
}
/* Add a map for the MMIO registers that will be accessed by any
* DRI-based clients.
*/
atis->registerSize = ATI_REG_SIZE(pScreenPriv->screen->card);
if (drmAddMap(atic->drmFd, ATI_REG_BASE(pScreenPriv->screen->card),
atis->registerSize, DRM_REGISTERS, DRM_READ_ONLY,
&atis->registerHandle) < 0) {
ATIDRICloseScreen(pScreen);
return FALSE;
}
ErrorF("[drm] register handle = 0x%08lx\n", atis->registerHandle);
/* DRIScreenInit adds the frame buffer map, but we need it as well */
DRIGetDeviceInfo(pScreen, &atis->fbHandle, &scratch_int, &scratch_int,
&scratch_int, &scratch_int, &scratch_ptr);
/* Initialize AGP */
atis->using_agp = atic->is_agp;
if (atic->is_agp && !ATIDRIAgpInit(pScreen)) {
atis->using_agp = FALSE;
ErrorF("[agp] AGP failed to initialize; falling back to PCI mode.\n");
ErrorF("[agp] Make sure your kernel's AGP support is loaded and functioning.\n");
}
/* Initialize PCIGART */
if (!atis->using_agp && !ATIDRIPciInit(pScreen)) {
ATIDRICloseScreen(pScreen);
return FALSE;
}
#ifdef GLXEXT
if (!ATIInitVisualConfigs(pScreen)) {
ATIDRICloseScreen(pScreen);
return FALSE;
}
ErrorF("[dri] Visual configs initialized\n");
#endif
atis->serverContext = DRIGetContext(pScreen);
return ATIDRIFinishScreenInit(pScreen);
}
/* Finish initializing the device-dependent DRI state, and call
DRIFinishScreenInit() to complete the device-independent DRI
initialization. */
static Bool
R128DRIFinishScreenInit(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
R128SAREAPrivPtr pSAREAPriv;
R128DRIPtr pR128DRI;
int bpp = pScreenPriv->screen->fb[0].bitsPerPixel;
/* Initialize the kernel data structures */
if (!R128DRIKernelInit(pScreen)) {
ATIDRICloseScreen(pScreen);
return FALSE;
}
/* Initialize the vertex buffers list */
if (!ATIDRIBufInit(pScreen)) {
ATIDRICloseScreen(pScreen);
return FALSE;
}
/* Initialize IRQ */
ATIDRIIrqInit(pScreen);
pSAREAPriv = (R128SAREAPrivPtr)DRIGetSAREAPrivate(pScreen);
memset(pSAREAPriv, 0, sizeof(*pSAREAPriv));
pR128DRI = (R128DRIPtr)atis->pDRIInfo->devPrivate;
pR128DRI->deviceID = pScreenPriv->screen->card->attr.deviceID;
pR128DRI->width = pScreenPriv->screen->width;
pR128DRI->height = pScreenPriv->screen->height;
pR128DRI->depth = pScreenPriv->screen->fb[0].depth;
pR128DRI->bpp = pScreenPriv->screen->fb[0].bitsPerPixel;
pR128DRI->IsPCI = !atis->using_agp;
pR128DRI->AGPMode = atis->agpMode;
pR128DRI->frontOffset = atis->frontOffset;
pR128DRI->frontPitch = atis->frontPitch / (bpp / 8);
pR128DRI->backOffset = atis->backOffset;
pR128DRI->backPitch = atis->backPitch / (bpp / 8);
pR128DRI->depthOffset = atis->depthOffset;
pR128DRI->depthPitch = atis->depthPitch / (bpp / 8);
pR128DRI->spanOffset = atis->spanOffset;
pR128DRI->textureOffset = atis->textureOffset;
pR128DRI->textureSize = atis->textureSize;
pR128DRI->log2TexGran = atis->log2TexGran;
pR128DRI->registerHandle = atis->registerHandle;
pR128DRI->registerSize = atis->registerSize;
pR128DRI->gartTexHandle = atis->gartTexHandle;
pR128DRI->gartTexMapSize = atis->gartTexMapSize;
pR128DRI->log2AGPTexGran = atis->log2GARTTexGran;
pR128DRI->gartTexOffset = atis->gartTexStart;
pR128DRI->sarea_priv_offset = sizeof(XF86DRISAREARec);
return TRUE;
}
/* Finish initializing the device-dependent DRI state, and call
* DRIFinishScreenInit() to complete the device-independent DRI
* initialization.
*/
static Bool
RadeonDRIFinishScreenInit(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
ATICardInfo(pScreenPriv);
RADEONSAREAPrivPtr pSAREAPriv;
RADEONDRIPtr pRADEONDRI;
drmRadeonMemInitHeap drmHeap;
/* Initialize the kernel data structures */
if (!RadeonDRIKernelInit(pScreen)) {
ATIDRICloseScreen(pScreen);
return FALSE;
}
/* Initialize the vertex buffers list */
if (!ATIDRIBufInit(pScreen)) {
ATIDRICloseScreen(pScreen);
return FALSE;
}
/* Initialize IRQ */
ATIDRIIrqInit(pScreen);
drmHeap.region = RADEON_MEM_REGION_GART;
drmHeap.start = 0;
drmHeap.size = atis->gartTexMapSize;
if (drmCommandWrite(atic->drmFd, DRM_RADEON_INIT_HEAP, &drmHeap,
sizeof(drmHeap))) {
ErrorF("[drm] Failed to initialize GART heap manager\n");
}
/* Initialize the SAREA private data structure */
pSAREAPriv = (RADEONSAREAPrivPtr)DRIGetSAREAPrivate(pScreen);
memset(pSAREAPriv, 0, sizeof(*pSAREAPriv));
pRADEONDRI = (RADEONDRIPtr)atis->pDRIInfo->devPrivate;
pRADEONDRI->deviceID = pScreenPriv->screen->card->attr.deviceID;
pRADEONDRI->width = pScreenPriv->screen->width;
pRADEONDRI->height = pScreenPriv->screen->height;
pRADEONDRI->depth = pScreenPriv->screen->fb[0].depth;
pRADEONDRI->bpp = pScreenPriv->screen->fb[0].bitsPerPixel;
pRADEONDRI->IsPCI = !atis->using_agp;
pRADEONDRI->AGPMode = atis->agpMode;
pRADEONDRI->frontOffset = atis->frontOffset;
pRADEONDRI->frontPitch = atis->frontPitch;
pRADEONDRI->backOffset = atis->backOffset;
pRADEONDRI->backPitch = atis->backPitch;
pRADEONDRI->depthOffset = atis->depthOffset;
pRADEONDRI->depthPitch = atis->depthPitch;
pRADEONDRI->textureOffset = atis->textureOffset;
pRADEONDRI->textureSize = atis->textureSize;
pRADEONDRI->log2TexGran = atis->log2TexGran;
pRADEONDRI->registerHandle = atis->registerHandle;
pRADEONDRI->registerSize = atis->registerSize;
pRADEONDRI->statusHandle = atis->ringReadPtrHandle;
pRADEONDRI->statusSize = atis->ringReadMapSize;
pRADEONDRI->gartTexHandle = atis->gartTexHandle;
pRADEONDRI->gartTexMapSize = atis->gartTexMapSize;
pRADEONDRI->log2GARTTexGran = atis->log2GARTTexGran;
pRADEONDRI->gartTexOffset = atis->gartTexStart;
pRADEONDRI->sarea_priv_offset = sizeof(XF86DRISAREARec);
return TRUE;
}
static Bool
ATIDRIFinishScreenInit(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATIScreenInfo(pScreenPriv);
ATICardInfo (pScreenPriv);
atis->pDRIInfo->driverSwapMethod = DRI_HIDE_X_CONTEXT;
/* 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)) {
ATIDRICloseScreen(pScreen);
return FALSE;
}
if (atic->is_radeon) {
if (!RadeonDRIFinishScreenInit(pScreen)) {
ATIDRICloseScreen(pScreen);
return FALSE;
}
} else {
if (!R128DRIFinishScreenInit(pScreen)) {
ATIDRICloseScreen(pScreen);
return FALSE;
}
}
return TRUE;
}
/* The screen is being closed, so clean up any state and free any
resources used by the DRI. */
void
ATIDRICloseScreen(ScreenPtr pScreen)
{
KdScreenPriv (pScreen);
ATIScreenInfo (pScreenPriv);
ATICardInfo (pScreenPriv);
drmR128Init drmR128Info;
drmRadeonInit drmRadeonInfo;
if (atis->indirectBuffer != NULL) {
/* Flush any remaining commands and free indirect buffers.
* Two steps are used because ATIFlushIndirect gets a
* new buffer after discarding.
*/
ATIFlushIndirect(atis, 1);
ATIDRIDispatchIndirect(atis, 1);
xfree(atis->indirectBuffer);
atis->indirectBuffer = NULL;
atis->indirectStart = 0;
}
ATIDRIDMAStop(atis);
if (atis->irqEnabled) {
drmCtlUninstHandler(atic->drmFd);
atis->irqEnabled = FALSE;
}
/* De-allocate vertex buffers */
if (atis->buffers) {
drmUnmapBufs(atis->buffers);
atis->buffers = NULL;
}
/* De-allocate all kernel resources */
if (!atic->is_radeon) {
memset(&drmR128Info, 0, sizeof(drmR128Init));
drmR128Info.func = DRM_R128_CLEANUP_CCE;
drmCommandWrite(atic->drmFd, DRM_R128_INIT, &drmR128Info,
sizeof(drmR128Init));
} else {
memset(&drmRadeonInfo, 0, sizeof(drmRadeonInfo));
drmRadeonInfo.func = DRM_RADEON_CLEANUP_CP;
drmCommandWrite(atic->drmFd, DRM_RADEON_CP_INIT, &drmRadeonInfo,
sizeof(drmR128Init));
}
/* De-allocate all AGP resources */
if (atis->gartTex) {
drmUnmap(atis->gartTex, atis->gartTexMapSize);
atis->gartTex = NULL;
}
if (atis->buf) {
drmUnmap(atis->buf, atis->bufMapSize);
atis->buf = NULL;
}
if (atis->ringReadPtr) {
drmUnmap(atis->ringReadPtr, atis->ringReadMapSize);
atis->ringReadPtr = NULL;
}
if (atis->ring) {
drmUnmap(atis->ring, atis->ringMapSize);
atis->ring = NULL;
}
if (atis->agpMemHandle != DRM_AGP_NO_HANDLE) {
drmAgpUnbind(atic->drmFd, atis->agpMemHandle);
drmAgpFree(atic->drmFd, atis->agpMemHandle);
atis->agpMemHandle = DRM_AGP_NO_HANDLE;
drmAgpRelease(atic->drmFd);
}
if (atis->pciMemHandle) {
drmScatterGatherFree(atic->drmFd, atis->pciMemHandle);
atis->pciMemHandle = 0;
}
/* De-allocate all DRI resources */
DRICloseScreen(pScreen);
/* De-allocate all DRI data structures */
if (atis->pDRIInfo) {
if (atis->pDRIInfo->devPrivate) {
xfree(atis->pDRIInfo->devPrivate);
atis->pDRIInfo->devPrivate = NULL;
}
DRIDestroyInfoRec(atis->pDRIInfo);
atis->pDRIInfo = NULL;
}
#ifdef GLXEXT
if (atis->pVisualConfigs) {
xfree(atis->pVisualConfigs);
atis->pVisualConfigs = NULL;
}
if (atis->pVisualConfigsPriv) {
xfree(atis->pVisualConfigsPriv);
atis->pVisualConfigsPriv = NULL;
}
#endif /* GLXEXT */
atic->drmFd = -1;
}
void
ATIDRIDMAStart(ATIScreenInfo *atis)
{
ATICardInfo *atic = atis->atic;
int ret;
if (atic->is_radeon)
ret = drmCommandNone(atic->drmFd, DRM_RADEON_CP_START);
else
ret = drmCommandNone(atic->drmFd, DRM_R128_CCE_START);
if (ret == 0)
atis->dma_started = TRUE;
else
FatalError("%s: DMA start returned %d\n", __FUNCTION__, ret);
}
/* Attempts to idle the DMA engine and stops it. Note that the ioctl is the
* same for both R128 and Radeon, so we can just use the name of one of them.
*/
void
ATIDRIDMAStop(ATIScreenInfo *atis)
{
ATICardInfo *atic = atis->atic;
drmRadeonCPStop stop;
int ret;
stop.flush = 1;
stop.idle = 1;
ret = drmCommandWrite(atic->drmFd, DRM_RADEON_CP_STOP, &stop,
sizeof(drmRadeonCPStop));
if (ret != 0 && errno == EBUSY) {
ErrorF("Failed to idle the DMA engine\n");
stop.idle = 0;
ret = drmCommandWrite(atic->drmFd, DRM_RADEON_CP_STOP, &stop,
sizeof(drmRadeonCPStop));
}
atis->dma_started = FALSE;
}
void
ATIDRIDMAReset(ATIScreenInfo *atis)
{
ATICardInfo *atic = atis->atic;
int ret;
ret = drmCommandNone(atic->drmFd, atic->is_radeon ?
DRM_RADEON_CP_RESET : DRM_R128_CCE_RESET);
if (ret != 0)
FatalError("Failed to reset CCE/CP\n");
atis->dma_started = FALSE;
}
/* The R128 and Radeon Indirect ioctls differ only in the ioctl number */
void
ATIDRIDispatchIndirect(ATIScreenInfo *atis, Bool discard)
{
ATICardInfo *atic = atis->atic;
drmBufPtr buffer = atis->indirectBuffer->drmBuf;
drmR128Indirect indirect;
int cmd;
indirect.idx = buffer->idx;
indirect.start = atis->indirectStart;
indirect.end = buffer->used;
indirect.discard = discard;
cmd = atic->is_radeon ? DRM_RADEON_INDIRECT : DRM_R128_INDIRECT;
drmCommandWriteRead(atic->drmFd, cmd, &indirect,
sizeof(drmR128Indirect));
}
/* Get an indirect buffer for the DMA 2D acceleration commands */
drmBufPtr
ATIDRIGetBuffer(ATIScreenInfo *atis)
{
ATICardInfo *atic = atis->atic;
drmDMAReq dma;
drmBufPtr buf = NULL;
int indx = 0, size = 0, ret = 0;
TIMEOUT_LOCALS;
dma.context = atis->serverContext;
dma.send_count = 0;
dma.send_list = NULL;
dma.send_sizes = NULL;
dma.flags = 0;
dma.request_count = 1;
if (atic->is_radeon)
dma.request_size = RADEON_BUFFER_SIZE;
else
dma.request_size = R128_BUFFER_SIZE;
dma.request_list = &indx;
dma.request_sizes = &size;
dma.granted_count = 0;
WHILE_NOT_TIMEOUT(.2) {
ret = drmDMA(atic->drmFd, &dma);
if (ret != -EBUSY)
break;
}
if (TIMEDOUT())
FatalError("Timeout fetching DMA buffer (card hung)\n");
if (ret != 0)
FatalError("Error fetching DMA buffer: %d\n", ret);
buf = &atis->buffers->list[indx];
buf->used = 0;
return buf;
}
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