diff options
Diffstat (limited to 'src/mesa/drivers/dri/r128/server/r128_dri.c')
| -rw-r--r-- | src/mesa/drivers/dri/r128/server/r128_dri.c | 1112 |
1 files changed, 0 insertions, 1112 deletions
diff --git a/src/mesa/drivers/dri/r128/server/r128_dri.c b/src/mesa/drivers/dri/r128/server/r128_dri.c deleted file mode 100644 index 6e3db948af..0000000000 --- a/src/mesa/drivers/dri/r128/server/r128_dri.c +++ /dev/null @@ -1,1112 +0,0 @@ -/* - * 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> - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> -// Fix this to use kernel pci_ids.h when all of these IDs make it into the kernel -#include "pci_ids.h" - -#include "driver.h" -#include "drm.h" -#include "memops.h" - -#include "r128.h" -#include "r128_dri.h" -#include "r128_macros.h" -#include "r128_reg.h" -#include "r128_version.h" -#include "r128_drm.h" - -static size_t r128_drm_page_size; - -/* Compute log base 2 of val. */ -static int R128MinBits(int val) -{ - int bits; - - if (!val) return 1; - for (bits = 0; val; val >>= 1, ++bits); - return bits; -} - -/* 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; -} - -static GLboolean R128DRIPciInit(const DRIDriverContext *ctx) -{ - R128InfoPtr info = ctx->driverPrivate; - unsigned char *R128MMIO = ctx->MMIOAddress; - uint32_t chunk; - int ret; - int flags; - - info->agpOffset = 0; - - ret = drmScatterGatherAlloc(ctx->drmFD, info->agpSize*1024*1024, - &info->pciMemHandle); - if (ret < 0) { - fprintf(stderr, "[pci] Out of memory (%d)\n", ret); - return GL_FALSE; - } - fprintf(stderr, - "[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 + 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; - - flags = DRM_READ_ONLY | DRM_LOCKED | DRM_KERNEL; - - if (drmAddMap(ctx->drmFD, info->ringStart, info->ringMapSize, - DRM_SCATTER_GATHER, flags, &info->ringHandle) < 0) { - fprintf(stderr, - "[pci] Could not add ring mapping\n"); - return GL_FALSE; - } - fprintf(stderr, - "[pci] ring handle = 0x%08lx\n", info->ringHandle); - - if (drmMap(ctx->drmFD, info->ringHandle, info->ringMapSize, - (drmAddressPtr)&info->ring) < 0) { - fprintf(stderr, "[pci] Could not map ring\n"); - return GL_FALSE; - } - fprintf(stderr, - "[pci] Ring mapped at 0x%08lx\n", - (unsigned long)info->ring); - fprintf(stderr, - "[pci] Ring contents 0x%08lx\n", - *(unsigned long *)info->ring); - - if (drmAddMap(ctx->drmFD, info->ringReadOffset, info->ringReadMapSize, - DRM_SCATTER_GATHER, flags, &info->ringReadPtrHandle) < 0) { - fprintf(stderr, - "[pci] Could not add ring read ptr mapping\n"); - return GL_FALSE; - } - fprintf(stderr, - "[pci] ring read ptr handle = 0x%08lx\n", - info->ringReadPtrHandle); - - if (drmMap(ctx->drmFD, info->ringReadPtrHandle, info->ringReadMapSize, - (drmAddressPtr)&info->ringReadPtr) < 0) { - fprintf(stderr, - "[pci] Could not map ring read ptr\n"); - return GL_FALSE; - } - fprintf(stderr, - "[pci] Ring read ptr mapped at 0x%08lx\n", - (unsigned long)info->ringReadPtr); - fprintf(stderr, - "[pci] Ring read ptr contents 0x%08lx\n", - *(unsigned long *)info->ringReadPtr); - - if (drmAddMap(ctx->drmFD, info->bufStart, info->bufMapSize, - DRM_SCATTER_GATHER, 0, &info->bufHandle) < 0) { - fprintf(stderr, - "[pci] Could not add vertex/indirect buffers mapping\n"); - return GL_FALSE; - } - fprintf(stderr, - "[pci] vertex/indirect buffers handle = 0x%08lx\n", - info->bufHandle); - - if (drmMap(ctx->drmFD, info->bufHandle, info->bufMapSize, - (drmAddressPtr)&info->buf) < 0) { - fprintf(stderr, - "[pci] Could not map vertex/indirect buffers\n"); - return GL_FALSE; - } - fprintf(stderr, - "[pci] Vertex/indirect buffers mapped at 0x%08lx\n", - (unsigned long)info->buf); - fprintf(stderr, - "[pci] Vertex/indirect buffers contents 0x%08lx\n", - *(unsigned long *)info->buf); - - if (!info->IsPCI) { - /* 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 */ - } - - return GL_TRUE; -} - -/* Add a map for the MMIO registers that will be accessed by any - DRI-based clients. */ -static GLboolean R128DRIMapInit(const DRIDriverContext *ctx) -{ - R128InfoPtr info = ctx->driverPrivate; - int flags; - - if (info->CCESecure) flags = DRM_READ_ONLY; - else flags = 0; - - /* Map registers */ - if (drmAddMap(ctx->drmFD, ctx->MMIOStart, ctx->MMIOSize, - DRM_REGISTERS, flags, &info->registerHandle) < 0) { - return GL_FALSE; - } - fprintf(stderr, - "[drm] register handle = 0x%08x\n", info->registerHandle); - - return GL_TRUE; -} - -/* Initialize the kernel data structures. */ -static int R128DRIKernelInit(const DRIDriverContext *ctx) -{ - R128InfoPtr info = ctx->driverPrivate; - drm_r128_init_t drmInfo; - - memset( &drmInfo, 0, sizeof(&drmInfo) ); - - drmInfo.func = R128_INIT_CCE; - drmInfo.sarea_priv_offset = sizeof(drm_sarea_t); - 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 = ctx->bpp; - drmInfo.depth_bpp = ctx->bpp; - - 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->LinearAddr; - 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(ctx->drmFD, DRM_R128_INIT, - &drmInfo, sizeof(drmInfo)) < 0) - return GL_FALSE; - - return GL_TRUE; -} - -/* Add a map for the vertex buffers that will be accessed by any - DRI-based clients. */ -static GLboolean R128DRIBufInit(const DRIDriverContext *ctx) -{ - R128InfoPtr info = ctx->driverPrivate; - /* Initialize vertex buffers */ - if (info->IsPCI) { - info->bufNumBufs = drmAddBufs(ctx->drmFD, - info->bufMapSize / R128_BUFFER_SIZE, - R128_BUFFER_SIZE, - DRM_SG_BUFFER, - info->bufStart); - } else { - info->bufNumBufs = drmAddBufs(ctx->drmFD, - info->bufMapSize / R128_BUFFER_SIZE, - R128_BUFFER_SIZE, - DRM_AGP_BUFFER, - info->bufStart); - } - if (info->bufNumBufs <= 0) { - fprintf(stderr, - "[drm] Could not create vertex/indirect buffers list\n"); - return GL_FALSE; - } - fprintf(stderr, - "[drm] Added %d %d byte vertex/indirect buffers\n", - info->bufNumBufs, R128_BUFFER_SIZE); - - if (!(info->buffers = drmMapBufs(ctx->drmFD))) { - fprintf(stderr, - "[drm] Failed to map vertex/indirect buffers list\n"); - return GL_FALSE; - } - fprintf(stderr, - "[drm] Mapped %d vertex/indirect buffers\n", - info->buffers->count); - - return GL_TRUE; -} - -static void R128DRIIrqInit(const DRIDriverContext *ctx) -{ - R128InfoPtr info = ctx->driverPrivate; - unsigned char *R128MMIO = ctx->MMIOAddress; - - if (!info->irq) { - info->irq = drmGetInterruptFromBusID( - ctx->drmFD, - ctx->pciBus, - ctx->pciDevice, - ctx->pciFunc); - - if((drmCtlInstHandler(ctx->drmFD, info->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"); - info->irq = 0; - } else { - info->gen_int_cntl = INREG( R128_GEN_INT_CNTL ); - } - } - - if (info->irq) - fprintf(stderr, - "[drm] dma control initialized, using IRQ %d\n", - info->irq); -} - -static int R128CCEStop(const DRIDriverContext *ctx) -{ - R128InfoPtr info = ctx->driverPrivate; - drm_r128_cce_stop_t stop; - int ret, i; - - stop.flush = 1; - stop.idle = 1; - - ret = drmCommandWrite( ctx->drmFD, DRM_R128_CCE_STOP, - &stop, sizeof(stop) ); - - if ( ret == 0 ) { - return 0; - } else if ( errno != EBUSY ) { - return -errno; - } - - stop.flush = 0; - - i = 0; - do { - ret = drmCommandWrite( ctx->drmFD, DRM_R128_CCE_STOP, - &stop, sizeof(stop) ); - } while ( ret && errno == EBUSY && i++ < R128_IDLE_RETRY ); - - if ( ret == 0 ) { - return 0; - } else if ( errno != EBUSY ) { - return -errno; - } - - stop.idle = 0; - - if ( drmCommandWrite( ctx->drmFD, DRM_R128_CCE_STOP, - &stop, sizeof(stop) )) { - return -errno; - } else { - return 0; - } -} - -/* Initialize the CCE state, and start the CCE (if used by the X server) */ -static void R128DRICCEInit(const DRIDriverContext *ctx) -{ - R128InfoPtr info = ctx->driverPrivate; - - /* 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; - } - - /* Make sure the CCE is on for the X server */ - R128CCE_START(ctx, info); -} - - -static int R128MemoryInit(const DRIDriverContext *ctx) -{ - R128InfoPtr info = ctx->driverPrivate; - int width_bytes = ctx->shared.virtualWidth * ctx->cpp; - int cpp = ctx->cpp; - int bufferSize = ((ctx->shared.virtualHeight * width_bytes - + R128_BUFFER_ALIGN) - & ~R128_BUFFER_ALIGN); - int depthSize = ((((ctx->shared.virtualHeight+15) & ~15) * width_bytes - + R128_BUFFER_ALIGN) - & ~R128_BUFFER_ALIGN); - int l; - - info->frontOffset = 0; - info->frontPitch = ctx->shared.virtualWidth; - - fprintf(stderr, - "Using %d MB AGP aperture\n", info->agpSize); - fprintf(stderr, - "Using %d MB for the ring buffer\n", info->ringSize); - fprintf(stderr, - "Using %d MB for vertex/indirect buffers\n", info->bufSize); - fprintf(stderr, - "Using %d MB for AGP textures\n", info->agpTexSize); - - /* Front, back and depth buffers - everything else texture?? - */ - info->textureSize = ctx->shared.fbSize - 2 * bufferSize - depthSize; - - if (info->textureSize < 0) - return 0; - - l = R128MinBits((info->textureSize-1) / R128_NR_TEX_REGIONS); - if (l < R128_LOG_TEX_GRANULARITY) l = R128_LOG_TEX_GRANULARITY; - - /* Round the texture size up to the nearest whole number of - * texture regions. Again, be greedy about this, don't - * round down. - */ - info->log2TexGran = l; - info->textureSize = (info->textureSize >> l) << l; - - /* Set a minimum usable local texture heap size. This will fit - * two 256x256x32bpp textures. - */ - if (info->textureSize < 512 * 1024) { - info->textureOffset = 0; - info->textureSize = 0; - } - - /* Reserve space for textures */ - info->textureOffset = ((ctx->shared.fbSize - info->textureSize + - R128_BUFFER_ALIGN) & - ~R128_BUFFER_ALIGN); - - /* Reserve space for the shared depth - * buffer. - */ - info->depthOffset = ((info->textureOffset - depthSize + - R128_BUFFER_ALIGN) & - ~R128_BUFFER_ALIGN); - info->depthPitch = ctx->shared.virtualWidth; - - info->backOffset = ((info->depthOffset - bufferSize + - R128_BUFFER_ALIGN) & - ~R128_BUFFER_ALIGN); - info->backPitch = ctx->shared.virtualWidth; - - - fprintf(stderr, - "Will use back buffer at offset 0x%x\n", - info->backOffset); - fprintf(stderr, - "Will use depth buffer at offset 0x%x\n", - info->depthOffset); - fprintf(stderr, - "Will use %d kb for textures at offset 0x%x\n", - info->textureSize/1024, info->textureOffset); - - return 1; -} - - -/* 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. */ -static GLboolean R128DRIScreenInit(DRIDriverContext *ctx) -{ - R128InfoPtr info = ctx->driverPrivate; - R128DRIPtr pR128DRI; - int err, major, minor, patch; - drmVersionPtr version; - drm_r128_sarea_t *pSAREAPriv; - - switch (ctx->bpp) { - case 8: - /* These modes are not supported (yet). */ - case 15: - case 24: - fprintf(stderr, - "[dri] R128DRIScreenInit failed (depth %d not supported). " - "[dri] Disabling DRI.\n", ctx->bpp); - return GL_FALSE; - - /* Only 16 and 32 color depths are supports currently. */ - case 16: - case 32: - break; - } - r128_drm_page_size = getpagesize(); - - info->registerSize = ctx->MMIOSize; - ctx->shared.SAREASize = SAREA_MAX; - - /* Note that drmOpen will try to load the kernel module, if needed. */ - ctx->drmFD = drmOpen("r128", NULL ); - if (ctx->drmFD < 0) { - fprintf(stderr, "[drm] drmOpen failed\n"); - return 0; - } - - /* Check the r128 DRM version */ - version = drmGetVersion(ctx->drmFD); - if (version) { - if (version->version_major != 2 || - version->version_minor < 2) { - /* incompatible drm version */ - fprintf(stderr, - "[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); - return GL_FALSE; - } - info->drmMinor = version->version_minor; - drmFreeVersion(version); - } - - 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 (!R128MemoryInit(ctx)) - return GL_FALSE; - - /* Initialize AGP */ - if (!info->IsPCI && !R128DRIAgpInit(ctx)) { - info->IsPCI = GL_TRUE; - fprintf(stderr, - "[agp] AGP failed to initialize -- falling back to PCI mode.\n"); - fprintf(stderr, - "[agp] Make sure you have the agpgart kernel module loaded.\n"); - } - - /* Initialize PCIGART */ - if (info->IsPCI && !R128DRIPciInit(ctx)) { - return GL_FALSE; - } - - /* DRIScreenInit doesn't add all the - common mappings. Add additional - mappings here. */ - if (!R128DRIMapInit(ctx)) { - return GL_FALSE; - } - - /* 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 (!R128DRIKernelInit(ctx)) { - return GL_FALSE; - } - - /* Initialize the vertex buffers list */ - if (!R128DRIBufInit(ctx)) { - return GL_FALSE; - } - - /* Initialize IRQ */ - R128DRIIrqInit(ctx); - - /* Initialize and start the CCE if required */ - R128DRICCEInit(ctx); - - /* 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 + info->frontOffset, - 0, - info->frontPitch * ctx->cpp * ctx->shared.virtualHeight ); - - drimemsetio((char *)ctx->FBAddress + info->backOffset, - 0, - info->backPitch * ctx->cpp * ctx->shared.virtualHeight ); - - pSAREAPriv = (drm_r128_sarea_t *)(((char*)ctx->pSAREA) + - sizeof(drm_sarea_t)); - memset(pSAREAPriv, 0, sizeof(*pSAREAPriv)); - - /* This is the struct passed to radeon_dri.so for its initialization */ - ctx->driverClientMsg = malloc(sizeof(R128DRIRec)); - ctx->driverClientMsgSize = sizeof(R128DRIRec); - - pR128DRI = (R128DRIPtr)ctx->driverClientMsg; - pR128DRI->deviceID = info->Chipset; - pR128DRI->width = ctx->shared.virtualWidth; - pR128DRI->height = ctx->shared.virtualHeight; - pR128DRI->depth = ctx->bpp; - pR128DRI->bpp = ctx->bpp; - - 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(drm_sarea_t); - - return GL_TRUE; -} - -/* 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; - } -} - -static GLboolean R128PreInitDRI(const DRIDriverContext *ctx) -{ - R128InfoPtr info = ctx->driverPrivate; - - /*info->CCEMode = R128_DEFAULT_CCE_PIO_MODE;*/ - info->CCEMode = R128_DEFAULT_CCE_BM_MODE; - info->CCESecure = GL_TRUE; - - info->agpMode = R128_DEFAULT_AGP_MODE; - info->agpSize = R128_DEFAULT_AGP_SIZE; - info->ringSize = R128_DEFAULT_RING_SIZE; - info->bufSize = R128_DEFAULT_BUFFER_SIZE; - info->agpTexSize = R128_DEFAULT_AGP_TEX_SIZE; - - info->CCEusecTimeout = R128_DEFAULT_CCE_TIMEOUT; - - return GL_TRUE; -} - -/** - * \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 R128ScreenInit() for the screen initialization. - * - * Before exiting clears the framebuffer memory accessing it directly. - */ -static int R128InitFBDev( DRIDriverContext *ctx ) -{ - R128InfoPtr info = calloc(1, sizeof(*info)); - - { - 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 *)info; - - info->Chipset = ctx->chipset; - - switch (info->Chipset) { - case PCI_DEVICE_ID_ATI_RAGE128_LE: - case PCI_DEVICE_ID_ATI_RAGE128_RE: - case PCI_DEVICE_ID_ATI_RAGE128_RK: - case PCI_DEVICE_ID_ATI_RAGE128_PD: - case PCI_DEVICE_ID_ATI_RAGE128_PP: - case PCI_DEVICE_ID_ATI_RAGE128_PR: - /* This is a PCI card */ - info->IsPCI = GL_TRUE; - break; - default: - /* This is an AGP card */ - info->IsPCI = GL_FALSE; - break; - } - - info->frontPitch = ctx->shared.virtualWidth; - info->LinearAddr = ctx->FBStart & 0xfc000000; - - if (!R128PreInitDRI(ctx)) - return 0; - - if (!R128DRIScreenInit(ctx)) - 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 R128HaltFBDev( DRIDriverContext *ctx ) -{ - drmUnmap( ctx->pSAREA, ctx->shared.SAREASize ); - drmClose(ctx->drmFD); - - if (ctx->driverPrivate) { - free(ctx->driverPrivate); - ctx->driverPrivate = 0; - } -} - - -/** - * \brief Validate the fbdev mode. - * - * \param ctx display handle. - * - * \return one on success, or zero on failure. - * - * Saves some registers and returns 1. - * - * \sa R128PostValidateMode(). - */ -static int R128ValidateMode( 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 R128ValidateMode(). - */ -static int R128PostValidateMode( const DRIDriverContext *ctx ) -{ - return 1; -} - - -/** - * \brief Shutdown the drawing engine. - * - * \param ctx display handle - * - * Turns off the command processor engine & restores the graphics card - * to a state that fbdev understands. - */ -static int R128EngineShutdown( const DRIDriverContext *ctx ) -{ - return 1; -} - -/** - * \brief Restore the drawing engine. - * - * \param ctx display handle - * - * Resets the graphics card and sets initial values for several registers of - * the card's drawing engine. - * - * Turns on the R128 command processor engine (i.e., the ringbuffer). - */ -static int R128EngineRestore( const DRIDriverContext *ctx ) -{ - return 1; -} - - -/** - * \brief Exported driver interface for Mini GLX. - * - * \sa DRIDriverRec. - */ -const struct DRIDriverRec __driDriver = { - R128ValidateMode, - R128PostValidateMode, - R128InitFBDev, - R128HaltFBDev, - R128EngineShutdown, - R128EngineRestore, - 0, -}; |