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-rw-r--r--src/mesa/drivers/dri/mga/server/mga_dri.c1088
1 files changed, 0 insertions, 1088 deletions
diff --git a/src/mesa/drivers/dri/mga/server/mga_dri.c b/src/mesa/drivers/dri/mga/server/mga_dri.c
deleted file mode 100644
index bc575e62ee..0000000000
--- a/src/mesa/drivers/dri/mga/server/mga_dri.c
+++ /dev/null
@@ -1,1088 +0,0 @@
-
-/*
- * Copyright 2000 VA Linux Systems Inc., Fremont, California.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES
- * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Gareth Hughes <gareth@valinux.com>
- */
-
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <inttypes.h>
-
-#include "driver.h"
-#include "drm.h"
-#include "memops.h"
-
-#include "mga_reg.h"
-#include "mga.h"
-#include "mga_macros.h"
-#include "mga_dri.h"
-
-
-/* Quiescence, locking
- */
-#define MGA_TIMEOUT 2048
-
-static void MGAWaitForIdleDMA( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
- drm_lock_t lock;
- int ret;
- int i = 0;
-
- memset( &lock, 0, sizeof(lock) );
-
- for (;;) {
- do {
- /* first ask for quiescent and flush */
- lock.flags = DRM_LOCK_QUIESCENT | DRM_LOCK_FLUSH;
- do {
- ret = drmCommandWrite( ctx->drmFD, DRM_MGA_FLUSH,
- &lock, sizeof( lock ) );
- } while ( ret == -EBUSY && i++ < DRM_MGA_IDLE_RETRY );
-
- /* if it's still busy just try quiescent */
- if ( ret == -EBUSY ) {
- lock.flags = DRM_LOCK_QUIESCENT;
- do {
- ret = drmCommandWrite( ctx->drmFD, DRM_MGA_FLUSH,
- &lock, sizeof( lock ) );
- } while ( ret == -EBUSY && i++ < DRM_MGA_IDLE_RETRY );
- }
- } while ( ( ret == -EBUSY ) && ( i++ < MGA_TIMEOUT ) );
-
- if ( ret == 0 )
- return;
-
- fprintf( stderr,
- "[dri] Idle timed out, resetting engine...\n" );
-
- drmCommandNone( ctx->drmFD, DRM_MGA_RESET );
- }
-}
-
-static unsigned int mylog2( unsigned int n )
-{
- unsigned int log2 = 1;
- while ( n > 1 ) n >>= 1, log2++;
- return log2;
-}
-
-static int MGADRIAgpInit(struct DRIDriverContextRec *ctx, MGAPtr pMga)
-{
- unsigned long mode;
- unsigned int vendor, device;
- int ret, count, i;
-
- if(pMga->agpSize < 12)pMga->agpSize = 12;
- if(pMga->agpSize > 64)pMga->agpSize = 64; /* cap */
-
- /* FIXME: Make these configurable...
- */
- pMga->agp.size = pMga->agpSize * 1024 * 1024;
-
- pMga->warp.offset = 0;
- pMga->warp.size = MGA_WARP_UCODE_SIZE;
-
- pMga->primary.offset = (pMga->warp.offset +
- pMga->warp.size);
- pMga->primary.size = 1024 * 1024;
-
- pMga->buffers.offset = (pMga->primary.offset +
- pMga->primary.size);
- pMga->buffers.size = MGA_NUM_BUFFERS * MGA_BUFFER_SIZE;
-
-
- pMga->agpTextures.offset = (pMga->buffers.offset +
- pMga->buffers.size);
-
- pMga->agpTextures.size = pMga->agp.size -
- pMga->agpTextures.offset;
-
- if ( drmAgpAcquire( ctx->drmFD ) < 0 ) {
- fprintf( stderr, "[agp] AGP not available\n" );
- return 0;
- }
-
- mode = drmAgpGetMode( ctx->drmFD ); /* Default mode */
- vendor = drmAgpVendorId( ctx->drmFD );
- device = drmAgpDeviceId( ctx->drmFD );
-
- mode &= ~MGA_AGP_MODE_MASK;
- switch ( pMga->agpMode ) {
- case 4:
- mode |= MGA_AGP_4X_MODE;
- case 2:
- mode |= MGA_AGP_2X_MODE;
- case 1:
- default:
- mode |= MGA_AGP_1X_MODE;
- }
-
-#if 0
- fprintf( stderr,
- "[agp] Mode 0x%08lx [AGP 0x%04x/0x%04x; Card 0x%04x/0x%04x]\n",
- mode, vendor, device,
- ctx->pciVendor,
- ctx->pciChipType );
-#endif
-
- if ( drmAgpEnable( ctx->drmFD, mode ) < 0 ) {
- fprintf( stderr, "[agp] AGP not enabled\n" );
- drmAgpRelease( ctx->drmFD );
- return 0;
- }
-
- if ( pMga->Chipset == PCI_CHIP_MGAG200 ) {
- switch ( pMga->agpMode ) {
- case 2:
- fprintf( stderr,
- "[drm] Enabling AGP 2x PLL encoding\n" );
- OUTREG( MGAREG_AGP_PLL, MGA_AGP2XPLL_ENABLE );
- break;
-
- case 1:
- default:
- fprintf( stderr,
- "[drm] Disabling AGP 2x PLL encoding\n" );
- OUTREG( MGAREG_AGP_PLL, MGA_AGP2XPLL_DISABLE );
- pMga->agpMode = 1;
- break;
- }
- }
-
- ret = drmAgpAlloc( ctx->drmFD, pMga->agp.size,
- 0, NULL, &pMga->agp.handle );
- if ( ret < 0 ) {
- fprintf( stderr, "[agp] Out of memory (%d)\n", ret );
- drmAgpRelease( ctx->drmFD );
- return 0;
- }
- fprintf( stderr,
- "[agp] %d kB allocated with handle 0x%08x\n",
- pMga->agp.size/1024, (unsigned int)pMga->agp.handle );
-
- if ( drmAgpBind( ctx->drmFD, pMga->agp.handle, 0 ) < 0 ) {
- fprintf( stderr, "[agp] Could not bind memory\n" );
- drmAgpFree( ctx->drmFD, pMga->agp.handle );
- drmAgpRelease( ctx->drmFD );
- return 0;
- }
-
- /* WARP microcode space
- */
- if ( drmAddMap( ctx->drmFD,
- pMga->warp.offset,
- pMga->warp.size,
- DRM_AGP, DRM_READ_ONLY,
- &pMga->warp.handle ) < 0 ) {
- fprintf( stderr,
- "[agp] Could not add WARP microcode mapping\n" );
- return 0;
- }
- fprintf( stderr,
- "[agp] WARP microcode handle = 0x%08x\n",
- pMga->warp.handle );
-
- if ( drmMap( ctx->drmFD,
- pMga->warp.handle,
- pMga->warp.size,
- &pMga->warp.map ) < 0 ) {
- fprintf( stderr,
- "[agp] Could not map WARP microcode\n" );
- return 0;
- }
- fprintf( stderr,
- "[agp] WARP microcode mapped at 0x%08lx\n",
- (unsigned long)pMga->warp.map );
-
- /* Primary DMA space
- */
- if ( drmAddMap( ctx->drmFD,
- pMga->primary.offset,
- pMga->primary.size,
- DRM_AGP, DRM_READ_ONLY,
- &pMga->primary.handle ) < 0 ) {
- fprintf( stderr,
- "[agp] Could not add primary DMA mapping\n" );
- return 0;
- }
- fprintf( stderr,
- "[agp] Primary DMA handle = 0x%08x\n",
- pMga->primary.handle );
-
- if ( drmMap( ctx->drmFD,
- pMga->primary.handle,
- pMga->primary.size,
- &pMga->primary.map ) < 0 ) {
- fprintf( stderr,
- "[agp] Could not map primary DMA\n" );
- return 0;
- }
- fprintf( stderr,
- "[agp] Primary DMA mapped at 0x%08lx\n",
- (unsigned long)pMga->primary.map );
-
- /* DMA buffers
- */
- if ( drmAddMap( ctx->drmFD,
- pMga->buffers.offset,
- pMga->buffers.size,
- DRM_AGP, 0,
- &pMga->buffers.handle ) < 0 ) {
- fprintf( stderr,
- "[agp] Could not add DMA buffers mapping\n" );
- return 0;
- }
- fprintf( stderr,
- "[agp] DMA buffers handle = 0x%08x\n",
- pMga->buffers.handle );
-
- if ( drmMap( ctx->drmFD,
- pMga->buffers.handle,
- pMga->buffers.size,
- &pMga->buffers.map ) < 0 ) {
- fprintf( stderr,
- "[agp] Could not map DMA buffers\n" );
- return 0;
- }
- fprintf( stderr,
- "[agp] DMA buffers mapped at 0x%08lx\n",
- (unsigned long)pMga->buffers.map );
-
- count = drmAddBufs( ctx->drmFD,
- MGA_NUM_BUFFERS, MGA_BUFFER_SIZE,
- DRM_AGP_BUFFER, pMga->buffers.offset );
- if ( count <= 0 ) {
- fprintf( stderr,
- "[drm] failure adding %d %d byte DMA buffers\n",
- MGA_NUM_BUFFERS, MGA_BUFFER_SIZE );
- return 0;
- }
- fprintf( stderr,
- "[drm] Added %d %d byte DMA buffers\n",
- count, MGA_BUFFER_SIZE );
-
- i = mylog2(pMga->agpTextures.size / MGA_NR_TEX_REGIONS);
- if(i < MGA_LOG_MIN_TEX_REGION_SIZE)
- i = MGA_LOG_MIN_TEX_REGION_SIZE;
- pMga->agpTextures.size = (pMga->agpTextures.size >> i) << i;
-
- if ( drmAddMap( ctx->drmFD,
- pMga->agpTextures.offset,
- pMga->agpTextures.size,
- DRM_AGP, 0,
- &pMga->agpTextures.handle ) < 0 ) {
- fprintf( stderr,
- "[agp] Could not add agpTexture mapping\n" );
- return 0;
- }
-/* should i map it ? */
- fprintf( stderr,
- "[agp] agpTexture handle = 0x%08x\n",
- pMga->agpTextures.handle );
- fprintf( stderr,
- "[agp] agpTexture size: %d kb\n", pMga->agpTextures.size/1024 );
-
- return 1;
-}
-
-static int MGADRIMapInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
- pMga->registers.size = MGAIOMAPSIZE;
-
- if ( drmAddMap( ctx->drmFD,
- (drm_handle_t)pMga->IOAddress,
- pMga->registers.size,
- DRM_REGISTERS, DRM_READ_ONLY,
- &pMga->registers.handle ) < 0 ) {
- fprintf( stderr,
- "[drm] Could not add MMIO registers mapping\n" );
- return 0;
- }
- fprintf( stderr,
- "[drm] Registers handle = 0x%08lx\n",
- pMga->registers.handle );
-
- pMga->status.size = SAREA_MAX;
-
- if ( drmAddMap( ctx->drmFD, 0, pMga->status.size,
- DRM_SHM, DRM_READ_ONLY | DRM_LOCKED | DRM_KERNEL,
- &pMga->status.handle ) < 0 ) {
- fprintf( stderr,
- "[drm] Could not add status page mapping\n" );
- return 0;
- }
- fprintf( stderr,
- "[drm] Status handle = 0x%08x\n",
- pMga->status.handle );
-
- if ( drmMap( ctx->drmFD,
- pMga->status.handle,
- pMga->status.size,
- &pMga->status.map ) < 0 ) {
- fprintf( stderr,
- "[agp] Could not map status page\n" );
- return 0;
- }
- fprintf( stderr,
- "[agp] Status page mapped at 0x%08lx\n",
- (unsigned long)pMga->status.map );
-
- return 1;
-}
-
-static int MGADRIKernelInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
- drm_mga_init_t init;
- int ret;
-
- memset( &init, 0, sizeof(init) );
-
- init.func = MGA_INIT_DMA;
- init.sarea_priv_offset = sizeof(drm_sarea_t);
-
- switch ( pMga->Chipset ) {
- case PCI_CHIP_MGAG550:
- case PCI_CHIP_MGAG400:
- init.chipset = MGA_CARD_TYPE_G400;
- break;
- case PCI_CHIP_MGAG200:
- case PCI_CHIP_MGAG200_PCI:
- init.chipset = MGA_CARD_TYPE_G200;
- break;
- default:
- return 0;
- }
-
- init.sgram = 0; /* FIXME !pMga->HasSDRAM; */
-
-
- switch (ctx->bpp)
- {
- case 16:
- init.maccess = MGA_MACCESS_PW16;
- break;
- case 32:
- init.maccess = MGA_MACCESS_PW32;
- break;
- default:
- fprintf( stderr, "[mga] invalid bpp (%d)\n", ctx->bpp );
- return 0;
- }
-
-
- init.fb_cpp = ctx->bpp / 8;
- init.front_offset = pMga->frontOffset;
- init.front_pitch = pMga->frontPitch / init.fb_cpp;
- init.back_offset = pMga->backOffset;
- init.back_pitch = pMga->backPitch / init.fb_cpp;
-
- init.depth_cpp = ctx->bpp / 8;
- init.depth_offset = pMga->depthOffset;
- init.depth_pitch = pMga->depthPitch / init.depth_cpp;
-
- init.texture_offset[0] = pMga->textureOffset;
- init.texture_size[0] = pMga->textureSize;
-
- init.fb_offset = ctx->shared.hFrameBuffer;
- init.mmio_offset = pMga->registers.handle;
- init.status_offset = pMga->status.handle;
-
- init.warp_offset = pMga->warp.handle;
- init.primary_offset = pMga->primary.handle;
- init.buffers_offset = pMga->buffers.handle;
-
- init.texture_offset[1] = pMga->agpTextures.handle;
- init.texture_size[1] = pMga->agpTextures.size;
-
- ret = drmCommandWrite( ctx->drmFD, DRM_MGA_INIT, &init, sizeof(init));
- if ( ret < 0 ) {
- fprintf( stderr,
- "[drm] Failed to initialize DMA! (%d)\n", ret );
- return 0;
- }
-
- return 1;
-}
-
-static void MGADRIIrqInit(struct DRIDriverContextRec *ctx, MGAPtr pMga)
-{
- if (!pMga->irq)
- {
- pMga->irq = drmGetInterruptFromBusID(ctx->drmFD,
- ctx->pciBus,
- ctx->pciDevice,
- ctx->pciFunc);
-
- fprintf(stderr, "[drm] got IRQ %d\n", pMga->irq);
-
- if((drmCtlInstHandler(ctx->drmFD, pMga->irq)) != 0)
- {
- fprintf(stderr,
- "[drm] failure adding irq handler, "
- "there is a device already using that irq\n"
- "[drm] falling back to irq-free operation\n");
- pMga->irq = 0;
- }
- else
- {
- pMga->reg_ien = INREG( MGAREG_IEN );
- }
- }
-
- if (pMga->irq)
- fprintf(stderr,
- "[drm] dma control initialized, using IRQ %d\n",
- pMga->irq);
-}
-
-static int MGADRIBuffersInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
- pMga->drmBuffers = drmMapBufs( ctx->drmFD );
- if ( !pMga->drmBuffers )
- {
- fprintf( stderr,
- "[drm] Failed to map DMA buffers list\n" );
- return 0;
- }
-
- fprintf( stderr,
- "[drm] Mapped %d DMA buffers\n",
- pMga->drmBuffers->count );
-
- return 1;
-}
-
-static int MGAMemoryInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
- int width_bytes = ctx->shared.virtualWidth * ctx->cpp;
- int bufferSize = ((ctx->shared.virtualHeight * width_bytes
- + MGA_BUFFER_ALIGN)
- & ~MGA_BUFFER_ALIGN);
- int depthSize = ((((ctx->shared.virtualHeight+15) & ~15) * width_bytes
- + MGA_BUFFER_ALIGN)
- & ~MGA_BUFFER_ALIGN);
- int l;
-
- pMga->frontOffset = 0;
- pMga->frontPitch = ctx->shared.virtualWidth * ctx->cpp;
-
- fprintf(stderr,
- "Using %d MB AGP aperture\n", pMga->agpSize);
- fprintf(stderr,
- "Using %d MB for vertex/indirect buffers\n", pMga->buffers.size>>20);
- fprintf(stderr,
- "Using %d MB for AGP textures\n", pMga->agpTextures.size>>20);
-
- /* Front, back and depth buffers - everything else texture??
- */
- pMga->textureSize = ctx->shared.fbSize - 2 * bufferSize - depthSize;
-
- if (pMga->textureSize < 0)
- return 0;
-
- l = mylog2( pMga->textureSize / MGA_NR_TEX_REGIONS );
- if ( l < MGA_LOG_MIN_TEX_REGION_SIZE )
- l = MGA_LOG_MIN_TEX_REGION_SIZE;
-
- /* Round the texture size up to the nearest whole number of
- * texture regions. Again, be greedy about this, don't
- * round down.
- */
- pMga->logTextureGranularity = l;
- pMga->textureSize = (pMga->textureSize >> l) << l;
-
- /* Set a minimum usable local texture heap size. This will fit
- * two 256x256x32bpp textures.
- */
- if (pMga->textureSize < 512 * 1024) {
- pMga->textureOffset = 0;
- pMga->textureSize = 0;
- }
-
- /* Reserve space for textures */
- pMga->textureOffset = ((ctx->shared.fbSize - pMga->textureSize +
- MGA_BUFFER_ALIGN) &
- ~MGA_BUFFER_ALIGN);
-
- /* Reserve space for the shared depth
- * buffer.
- */
- pMga->depthOffset = ((pMga->textureOffset - depthSize +
- MGA_BUFFER_ALIGN) &
- ~MGA_BUFFER_ALIGN);
- pMga->depthPitch = ctx->shared.virtualWidth * ctx->cpp;
-
- pMga->backOffset = ((pMga->depthOffset - bufferSize +
- MGA_BUFFER_ALIGN) &
- ~MGA_BUFFER_ALIGN);
- pMga->backPitch = ctx->shared.virtualWidth * ctx->cpp;
-
-
- fprintf(stderr,
- "Will use back buffer at offset 0x%x\n",
- pMga->backOffset);
- fprintf(stderr,
- "Will use depth buffer at offset 0x%x\n",
- pMga->depthOffset);
- fprintf(stderr,
- "Will use %d kb for textures at offset 0x%x\n",
- pMga->textureSize/1024, pMga->textureOffset);
-
- return 1;
-}
-
-static int MGACheckDRMVersion( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
- drmVersionPtr version;
-
- /* Check the MGA DRM version */
- version = drmGetVersion(ctx->drmFD);
- if ( version ) {
- if ( version->version_major != 3 ||
- version->version_minor < 0 ) {
- /* incompatible drm version */
- fprintf( stderr,
- "[dri] MGADRIScreenInit failed because of a version mismatch.\n"
- "[dri] mga.o kernel module version is %d.%d.%d but version 3.0.x is needed.\n"
- "[dri] Disabling DRI.\n",
- version->version_major,
- version->version_minor,
- version->version_patchlevel );
- drmFreeVersion( version );
- return 0;
- }
- drmFreeVersion( version );
- }
-
- return 1;
-}
-
-static void print_client_msg( MGADRIPtr pMGADRI )
-{
- fprintf( stderr, "chipset: %d\n", pMGADRI->chipset );
-
- fprintf( stderr, "width: %d\n", pMGADRI->width );
- fprintf( stderr, "height: %d\n", pMGADRI->height );
- fprintf( stderr, "mem: %d\n", pMGADRI->mem );
- fprintf( stderr, "cpp: %d\n", pMGADRI->cpp );
-
- fprintf( stderr, "agpMode: %d\n", pMGADRI->agpMode );
-
- fprintf( stderr, "frontOffset: %d\n", pMGADRI->frontOffset );
- fprintf( stderr, "frontPitch: %d\n", pMGADRI->frontPitch );
-
- fprintf( stderr, "backOffset: %d\n", pMGADRI->backOffset );
- fprintf( stderr, "backPitch: %d\n", pMGADRI->backPitch );
-
- fprintf( stderr, "depthOffset: %d\n", pMGADRI->depthOffset );
- fprintf( stderr, "depthPitch: %d\n", pMGADRI->depthPitch );
-
- fprintf( stderr, "textureOffset: %d\n", pMGADRI->textureOffset );
- fprintf( stderr, "textureSize: %d\n", pMGADRI->textureSize );
-
- fprintf( stderr, "logTextureGranularity: %d\n", pMGADRI->logTextureGranularity );
- fprintf( stderr, "logAgpTextureGranularity: %d\n", pMGADRI->logAgpTextureGranularity );
-
- fprintf( stderr, "agpTextureHandle: %u\n", (unsigned int)pMGADRI->agpTextureOffset );
- fprintf( stderr, "agpTextureSize: %u\n", (unsigned int)pMGADRI->agpTextureSize );
-
-#if 0
- pMGADRI->registers.handle = pMga->registers.handle;
- pMGADRI->registers.size = pMga->registers.size;
- pMGADRI->status.handle = pMga->status.handle;
- pMGADRI->status.size = pMga->status.size;
- pMGADRI->primary.handle = pMga->primary.handle;
- pMGADRI->primary.size = pMga->primary.size;
- pMGADRI->buffers.handle = pMga->buffers.handle;
- pMGADRI->buffers.size = pMga->buffers.size;
- pMGADRI->sarea_priv_offset = sizeof(drm_sarea_t);
-#endif
-}
-
-static int MGAScreenInit( struct DRIDriverContextRec *ctx, MGAPtr pMga )
-{
- int i;
- int err;
- MGADRIPtr pMGADRI;
-
- usleep(100);
- /*assert(!ctx->IsClient);*/
-
- {
- int width_bytes = (ctx->shared.virtualWidth * ctx->cpp);
- int maxy = ctx->shared.fbSize / width_bytes;
-
-
- if (maxy <= ctx->shared.virtualHeight * 3) {
- fprintf(stderr,
- "Static buffer allocation failed -- "
- "need at least %d kB video memory (have %d kB)\n",
- (ctx->shared.virtualWidth * ctx->shared.virtualHeight *
- ctx->cpp * 3 + 1023) / 1024,
- ctx->shared.fbSize / 1024);
- return 0;
- }
- }
-
- switch(pMga->Chipset) {
- case PCI_CHIP_MGAG550:
- case PCI_CHIP_MGAG400:
- case PCI_CHIP_MGAG200:
-#if 0
- case PCI_CHIP_MGAG200_PCI:
-#endif
- break;
- default:
- fprintf(stderr, "[drm] Direct rendering only supported with G200/G400/G550 AGP\n");
- return 0;
- }
-
- fprintf( stderr,
- "[drm] bpp: %d depth: %d\n",
- ctx->bpp, ctx->bpp /* FIXME: depth */ );
-
- if ( (ctx->bpp / 8) != 2 &&
- (ctx->bpp / 8) != 4 ) {
- fprintf( stderr,
- "[dri] Direct rendering only supported in 16 and 32 bpp modes\n" );
- return 0;
- }
-
- ctx->shared.SAREASize = SAREA_MAX;
-
-
- /* Note that drmOpen will try to load the kernel module, if needed. */
- ctx->drmFD = drmOpen("mga", NULL );
- if (ctx->drmFD < 0) {
- fprintf(stderr, "[drm] drmOpen failed\n");
- return 0;
- }
-
- if ((err = drmSetBusid(ctx->drmFD, ctx->pciBusID)) < 0) {
- fprintf(stderr, "[drm] drmSetBusid failed (%d, %s), %s\n",
- ctx->drmFD, ctx->pciBusID, strerror(-err));
- return 0;
- }
-
-
- if (drmAddMap( ctx->drmFD,
- 0,
- ctx->shared.SAREASize,
- DRM_SHM,
- DRM_CONTAINS_LOCK,
- &ctx->shared.hSAREA) < 0)
- {
- fprintf(stderr, "[drm] drmAddMap failed\n");
- return 0;
- }
- fprintf(stderr, "[drm] added %d byte SAREA at 0x%08lx\n",
- ctx->shared.SAREASize, ctx->shared.hSAREA);
-
- if (drmMap( ctx->drmFD,
- ctx->shared.hSAREA,
- ctx->shared.SAREASize,
- (drmAddressPtr)(&ctx->pSAREA)) < 0)
- {
- fprintf(stderr, "[drm] drmMap failed\n");
- return 0;
- }
- memset(ctx->pSAREA, 0, ctx->shared.SAREASize);
- fprintf(stderr, "[drm] mapped SAREA 0x%08lx to %p, size %d\n",
- ctx->shared.hSAREA, ctx->pSAREA, ctx->shared.SAREASize);
-
- /* Need to AddMap the framebuffer and mmio regions here:
- */
- if (drmAddMap( ctx->drmFD,
- (drm_handle_t)ctx->FBStart,
- ctx->FBSize,
- DRM_FRAME_BUFFER,
- 0,
- &ctx->shared.hFrameBuffer) < 0)
- {
- fprintf(stderr, "[drm] drmAddMap framebuffer failed\n");
- return 0;
- }
- fprintf(stderr, "[drm] framebuffer handle = 0x%08lx\n",
- ctx->shared.hFrameBuffer);
-
-
-#if 0 /* will be done in MGADRIMapInit */
- if (drmAddMap(ctx->drmFD,
- ctx->FixedInfo.mmio_start,
- ctx->FixedInfo.mmio_len,
- DRM_REGISTERS,
- DRM_READ_ONLY,
- &pMga->registers.handle) < 0) {
- fprintf(stderr, "[drm] drmAddMap mmio failed\n");
- return 0;
- }
- fprintf(stderr,
- "[drm] register handle = 0x%08lx\n", pMga->registers.handle);
-#endif
-
-
- /* Check the mga DRM version */
- if (!MGACheckDRMVersion(ctx, pMga)) {
- return 0;
- }
-
- if ( !MGADRIAgpInit( ctx, pMga ) ) {
- return 0;
- }
-
- if ( !MGADRIMapInit( ctx, pMga ) ) {
- return 0;
- }
-
- /* Memory manager setup */
- if (!MGAMemoryInit(ctx, pMga)) {
- return 0;
- }
-
-
- /* Create a 'server' context so we can grab the lock for
- * initialization ioctls.
- */
- if ((err = drmCreateContext(ctx->drmFD, &ctx->serverContext)) != 0) {
- fprintf(stderr, "%s: drmCreateContext failed %d\n", __FUNCTION__, err);
- return 0;
- }
-
- DRM_LOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext, 0);
-
- /* Initialize the kernel data structures */
- if (!MGADRIKernelInit(ctx, pMga)) {
- fprintf(stderr, "MGADRIKernelInit failed\n");
- DRM_UNLOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext);
- return 0;
- }
-
- /* Initialize the vertex buffers list */
- if (!MGADRIBuffersInit(ctx, pMga)) {
- fprintf(stderr, "MGADRIBuffersInit failed\n");
- DRM_UNLOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext);
- return 0;
- }
-
- /* Initialize IRQ */
- MGADRIIrqInit(ctx, pMga);
-
-
- /* Initialize the SAREA private data structure */
- {
- drm_mga_sarea_t *pSAREAPriv;
- pSAREAPriv = (drm_mga_sarea_t *)(((char*)ctx->pSAREA) +
- sizeof(drm_sarea_t));
- memset(pSAREAPriv, 0, sizeof(*pSAREAPriv));
- }
-
- /* Quick hack to clear the front & back buffers. Could also use
- * the clear ioctl to do this, but would need to setup hw state
- * first.
- */
- drimemsetio((char *)ctx->FBAddress + pMga->frontOffset,
- 0,
- pMga->frontPitch * ctx->shared.virtualHeight );
-
- drimemsetio((char *)ctx->FBAddress + pMga->backOffset,
- 0,
- pMga->backPitch * ctx->shared.virtualHeight );
-
- /* Can release the lock now */
-/* DRM_UNLOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext);*/
-
- /* This is the struct passed to radeon_dri.so for its initialization */
- ctx->driverClientMsg = malloc(sizeof(MGADRIRec));
- ctx->driverClientMsgSize = sizeof(MGADRIRec);
-
- pMGADRI = (MGADRIPtr)ctx->driverClientMsg;
-
-
- switch(pMga->Chipset) {
- case PCI_CHIP_MGAG550:
- case PCI_CHIP_MGAG400:
- pMGADRI->chipset = MGA_CARD_TYPE_G400;
- break;
- case PCI_CHIP_MGAG200:
- case PCI_CHIP_MGAG200_PCI:
- pMGADRI->chipset = MGA_CARD_TYPE_G200;
- break;
- default:
- return 0;
- }
- pMGADRI->width = ctx->shared.virtualWidth;
- pMGADRI->height = ctx->shared.virtualHeight;
- pMGADRI->mem = ctx->shared.fbSize;
- pMGADRI->cpp = ctx->bpp / 8;
-
- pMGADRI->agpMode = pMga->agpMode;
-
- pMGADRI->frontOffset = pMga->frontOffset;
- pMGADRI->frontPitch = pMga->frontPitch;
- pMGADRI->backOffset = pMga->backOffset;
- pMGADRI->backPitch = pMga->backPitch;
- pMGADRI->depthOffset = pMga->depthOffset;
- pMGADRI->depthPitch = pMga->depthPitch;
- pMGADRI->textureOffset = pMga->textureOffset;
- pMGADRI->textureSize = pMga->textureSize;
- pMGADRI->logTextureGranularity = pMga->logTextureGranularity;
-
- i = mylog2( pMga->agpTextures.size / MGA_NR_TEX_REGIONS );
- if ( i < MGA_LOG_MIN_TEX_REGION_SIZE )
- i = MGA_LOG_MIN_TEX_REGION_SIZE;
-
- pMGADRI->logAgpTextureGranularity = i;
- pMGADRI->agpTextureOffset = (unsigned int)pMga->agpTextures.handle;
- pMGADRI->agpTextureSize = (unsigned int)pMga->agpTextures.size;
-
- pMGADRI->registers.handle = pMga->registers.handle;
- pMGADRI->registers.size = pMga->registers.size;
- pMGADRI->status.handle = pMga->status.handle;
- pMGADRI->status.size = pMga->status.size;
- pMGADRI->primary.handle = pMga->primary.handle;
- pMGADRI->primary.size = pMga->primary.size;
- pMGADRI->buffers.handle = pMga->buffers.handle;
- pMGADRI->buffers.size = pMga->buffers.size;
- pMGADRI->sarea_priv_offset = sizeof(drm_sarea_t);
-
- print_client_msg( pMGADRI );
-
- return 1;
-}
-
-
-/**
- * \brief Validate the fbdev mode.
- *
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Saves some registers and returns 1.
- *
- * \sa mgaValidateMode().
- */
-static int mgaValidateMode( const DRIDriverContext *ctx )
-{
- return 1;
-}
-
-
-/**
- * \brief Examine mode returned by fbdev.
- *
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Restores registers that fbdev has clobbered and returns 1.
- *
- * \sa mgaValidateMode().
- */
-static int mgaPostValidateMode( const DRIDriverContext *ctx )
-{
- return 1;
-}
-
-
-/**
- * \brief Initialize the framebuffer device mode
- *
- * \param ctx display handle.
- *
- * \return one on success, or zero on failure.
- *
- * Fills in \p info with some default values and some information from \p ctx
- * and then calls MGAScreenInit() for the screen initialization.
- *
- * Before exiting clears the framebuffer memomry accessing it directly.
- */
-static int mgaInitFBDev( struct DRIDriverContextRec *ctx )
-{
- MGAPtr pMga = calloc(1, sizeof(*pMga));
-
- {
- int dummy = ctx->shared.virtualWidth;
-
- switch (ctx->bpp / 8) {
- case 1: dummy = (ctx->shared.virtualWidth + 127) & ~127; break;
- case 2: dummy = (ctx->shared.virtualWidth + 31) & ~31; break;
- case 3:
- case 4: dummy = (ctx->shared.virtualWidth + 15) & ~15; break;
- }
-
- ctx->shared.virtualWidth = dummy;
- }
-
- ctx->driverPrivate = (void *)pMga;
-
- pMga->agpMode = MGA_DEFAULT_AGP_MODE;
- pMga->agpSize = MGA_DEFAULT_AGP_SIZE;
-
- pMga->Chipset = ctx->chipset;
-
- pMga->IOAddress = ctx->MMIOStart;
- pMga->IOBase = ctx->MMIOAddress;
-
- pMga->frontPitch = ctx->shared.virtualWidth * ctx->cpp;
-
- if (!MGAScreenInit( ctx, pMga ))
- return 0;
-
- return 1;
-}
-
-
-/**
- * \brief The screen is being closed, so clean up any state and free any
- * resources used by the DRI.
- *
- * \param ctx display handle.
- *
- * Unmaps the SAREA, closes the DRM device file descriptor and frees the driver
- * private data.
- */
-static void mgaHaltFBDev( struct DRIDriverContextRec *ctx )
-{
- drmUnmap( ctx->pSAREA, ctx->shared.SAREASize );
- drmClose(ctx->drmFD);
-
- if (ctx->driverPrivate) {
- free(ctx->driverPrivate);
- ctx->driverPrivate = NULL;
- }
-}
-
-
-static int mgaEngineShutdown( const DRIDriverContext *ctx )
-{
- fprintf(stderr, "%s() is not yet implemented!\n", __FUNCTION__);
-
- return 1;
-}
-
-static int mgaEngineRestore( const DRIDriverContext *ctx )
-{
- fprintf(stderr, "%s() is not yet implemented!\n", __FUNCTION__);
-
- return 1;
-}
-
-/**
- * \brief Exported driver interface for Mini GLX.
- *
- * \sa DRIDriverRec.
- */
-struct DRIDriverRec __driDriver = {
- mgaValidateMode,
- mgaPostValidateMode,
- mgaInitFBDev,
- mgaHaltFBDev,
- mgaEngineShutdown,
- mgaEngineRestore,
- 0
-};
-
-
-
-
-#if 0
-void MGADRICloseScreen( ScreenPtr pScreen )
-{
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- MGAPtr pMga = MGAPTR(pScrn);
- MGADRIServerPrivatePtr pMga = pMga->DRIServerInfo;
- drmMGAInit init;
-
- if ( pMga->drmBuffers ) {
- drmUnmapBufs( pMga->drmBuffers );
- pMga->drmBuffers = NULL;
- }
-
- if (pMga->irq) {
- drmCtlUninstHandler(ctx->drmFD);
- pMga->irq = 0;
- }
-
- /* Cleanup DMA */
- memset( &init, 0, sizeof(drmMGAInit) );
- init.func = MGA_CLEANUP_DMA;
- drmCommandWrite( ctx->drmFD, DRM_MGA_INIT, &init, sizeof(drmMGAInit) );
-
- if ( pMga->status.map ) {
- drmUnmap( pMga->status.map, pMga->status.size );
- pMga->status.map = NULL;
- }
- if ( pMga->buffers.map ) {
- drmUnmap( pMga->buffers.map, pMga->buffers.size );
- pMga->buffers.map = NULL;
- }
- if ( pMga->primary.map ) {
- drmUnmap( pMga->primary.map, pMga->primary.size );
- pMga->primary.map = NULL;
- }
- if ( pMga->warp.map ) {
- drmUnmap( pMga->warp.map, pMga->warp.size );
- pMga->warp.map = NULL;
- }
-
- if ( pMga->agpTextures.map ) {
- drmUnmap( pMga->agpTextures.map, pMga->agpTextures.size );
- pMga->agpTextures.map = NULL;
- }
-
- if ( pMga->agp.handle ) {
- drmAgpUnbind( ctx->drmFD, pMga->agp.handle );
- drmAgpFree( ctx->drmFD, pMga->agp.handle );
- pMga->agp.handle = 0;
- drmAgpRelease( ctx->drmFD );
- }
-
- DRICloseScreen( pScreen );
-
- if ( pMga->pDRIInfo ) {
- if ( pMga->pDRIpMga->devPrivate ) {
- xfree( pMga->pDRIpMga->devPrivate );
- pMga->pDRIpMga->devPrivate = 0;
- }
- DRIDestroyInfoRec( pMga->pDRIInfo );
- pMga->pDRIInfo = 0;
- }
- if ( pMga->DRIServerInfo ) {
- xfree( pMga->DRIServerInfo );
- pMga->DRIServerInfo = 0;
- }
- if ( pMga->pVisualConfigs ) {
- xfree( pMga->pVisualConfigs );
- }
- if ( pMga->pVisualConfigsPriv ) {
- xfree( pMga->pVisualConfigsPriv );
- }
-}
-#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 05:53:48 +0000