diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/server/intel_dri.c')
| l---------[-rw-r--r--] | src/mesa/drivers/dri/i965/server/intel_dri.c | 1283 |
1 files changed, 1 insertions, 1282 deletions
diff --git a/src/mesa/drivers/dri/i965/server/intel_dri.c b/src/mesa/drivers/dri/i965/server/intel_dri.c index 169fdbece30..effdd26448a 100644..120000 --- a/src/mesa/drivers/dri/i965/server/intel_dri.c +++ b/src/mesa/drivers/dri/i965/server/intel_dri.c @@ -1,1282 +1 @@ -/** - * \file server/intel_dri.c - * \brief File to perform the device-specific initialization tasks typically - * done in the X server. - * - * Here they are converted to run in the client (or perhaps a standalone - * process), and to work with the frame buffer device rather than the X - * server infrastructure. - * - * Copyright (C) 2006 Dave Airlie (airlied@linux.ie) - - 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, sub license, 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 THE COPYRIGHT HOLDERS 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. -*/ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> - -#include "driver.h" -#include "drm.h" - -#include "intel.h" -#include "i830_dri.h" - -#include "memops.h" -#include "pciaccess.h" - -static size_t drm_page_size; -static int nextTile = 0; -#define xf86DrvMsg(...) do {} while(0) - -static const int pitches[] = { - 128 * 8, - 128 * 16, - 128 * 32, - 128 * 64, - 0 -}; - -static Bool I830DRIDoMappings(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea); - -static unsigned long -GetBestTileAlignment(unsigned long size) -{ - unsigned long i; - - for (i = KB(512); i < size; i <<= 1) - ; - - if (i > MB(64)) - i = MB(64); - - return i; -} - -static void SetFenceRegs(const DRIDriverContext *ctx, I830Rec *pI830) -{ - int i; - unsigned char *MMIO = ctx->MMIOAddress; - - for (i = 0; i < 8; i++) { - OUTREG(FENCE + i * 4, pI830->Fence[i]); - // if (I810_DEBUG & DEBUG_VERBOSE_VGA) - fprintf(stderr,"Fence Register : %x\n", pI830->Fence[i]); - } -} - -/* Tiled memory is good... really, really good... - * - * Need to make it less likely that we miss out on this - probably - * need to move the frontbuffer away from the 'guarenteed' alignment - * of the first memory segment, or perhaps allocate a discontigous - * framebuffer to get more alignment 'sweet spots'. - */ -static void -SetFence(const DRIDriverContext *ctx, I830Rec *pI830, - int nr, unsigned int start, unsigned int pitch, - unsigned int size) -{ - unsigned int val; - unsigned int fence_mask = 0; - unsigned int fence_pitch; - - if (nr < 0 || nr > 7) { - fprintf(stderr, - "SetFence: fence %d out of range\n",nr); - return; - } - - pI830->Fence[nr] = 0; - - if (IS_I9XX(pI830)) - fence_mask = ~I915G_FENCE_START_MASK; - else - fence_mask = ~I830_FENCE_START_MASK; - - if (start & fence_mask) { - fprintf(stderr, - "SetFence: %d: start (0x%08x) is not %s aligned\n", - nr, start, (IS_I9XX(pI830)) ? "1MB" : "512k"); - return; - } - - if (start % size) { - fprintf(stderr, - "SetFence: %d: start (0x%08x) is not size (%dk) aligned\n", - nr, start, size / 1024); - return; - } - - if (pitch & 127) { - fprintf(stderr, - "SetFence: %d: pitch (%d) not a multiple of 128 bytes\n", - nr, pitch); - return; - } - - val = (start | FENCE_X_MAJOR | FENCE_VALID); - - if (IS_I9XX(pI830)) { - switch (size) { - case MB(1): - val |= I915G_FENCE_SIZE_1M; - break; - case MB(2): - val |= I915G_FENCE_SIZE_2M; - break; - case MB(4): - val |= I915G_FENCE_SIZE_4M; - break; - case MB(8): - val |= I915G_FENCE_SIZE_8M; - break; - case MB(16): - val |= I915G_FENCE_SIZE_16M; - break; - case MB(32): - val |= I915G_FENCE_SIZE_32M; - break; - case MB(64): - val |= I915G_FENCE_SIZE_64M; - break; - default: - fprintf(stderr, - "SetFence: %d: illegal size (%d kByte)\n", nr, size / 1024); - return; - } - } else { - switch (size) { - case KB(512): - val |= FENCE_SIZE_512K; - break; - case MB(1): - val |= FENCE_SIZE_1M; - break; - case MB(2): - val |= FENCE_SIZE_2M; - break; - case MB(4): - val |= FENCE_SIZE_4M; - break; - case MB(8): - val |= FENCE_SIZE_8M; - break; - case MB(16): - val |= FENCE_SIZE_16M; - break; - case MB(32): - val |= FENCE_SIZE_32M; - break; - case MB(64): - val |= FENCE_SIZE_64M; - break; - default: - fprintf(stderr, - "SetFence: %d: illegal size (%d kByte)\n", nr, size / 1024); - return; - } - } - - if (IS_I9XX(pI830)) - fence_pitch = pitch / 512; - else - fence_pitch = pitch / 128; - - switch (fence_pitch) { - case 1: - val |= FENCE_PITCH_1; - break; - case 2: - val |= FENCE_PITCH_2; - break; - case 4: - val |= FENCE_PITCH_4; - break; - case 8: - val |= FENCE_PITCH_8; - break; - case 16: - val |= FENCE_PITCH_16; - break; - case 32: - val |= FENCE_PITCH_32; - break; - case 64: - val |= FENCE_PITCH_64; - break; - default: - fprintf(stderr, - "SetFence: %d: illegal pitch (%d)\n", nr, pitch); - return; - } - - pI830->Fence[nr] = val; -} - -static Bool -MakeTiles(const DRIDriverContext *ctx, I830Rec *pI830, I830MemRange *pMem) -{ - int pitch, ntiles, i; - - pitch = pMem->Pitch * ctx->cpp; - /* - * Simply try to break the region up into at most four pieces of size - * equal to the alignment. - */ - ntiles = ROUND_TO(pMem->Size, pMem->Alignment) / pMem->Alignment; - if (ntiles >= 4) { - return FALSE; - } - - for (i = 0; i < ntiles; i++, nextTile++) { - SetFence(ctx, pI830, nextTile, pMem->Start + i * pMem->Alignment, - pitch, pMem->Alignment); - } - return TRUE; -} - -static void I830SetupMemoryTiling(const DRIDriverContext *ctx, I830Rec *pI830) -{ - int i; - - /* Clear out */ - for (i = 0; i < 8; i++) - pI830->Fence[i] = 0; - - nextTile = 0; - - if (pI830->BackBuffer.Alignment >= KB(512)) { - if (MakeTiles(ctx, pI830, &(pI830->BackBuffer))) { - fprintf(stderr, - "Activating tiled memory for the back buffer.\n"); - } else { - fprintf(stderr, - "MakeTiles failed for the back buffer.\n"); - pI830->allowPageFlip = FALSE; - } - } - - if (pI830->DepthBuffer.Alignment >= KB(512)) { - if (MakeTiles(ctx, pI830, &(pI830->DepthBuffer))) { - fprintf(stderr, - "Activating tiled memory for the depth buffer.\n"); - } else { - fprintf(stderr, - "MakeTiles failed for the depth buffer.\n"); - } - } - - return; -} - -static int I830DetectMemory(const DRIDriverContext *ctx, I830Rec *pI830) -{ - struct pci_device host_bridge; - uint32_t gmch_ctrl; - int memsize = 0; - int range; - - memset(&host_bridge, 0, sizeof(host_bridge)); - - pci_device_cfg_read_u32(&host_bridge, &gmch_ctrl, I830_GMCH_CTRL); - - /* We need to reduce the stolen size, by the GTT and the popup. - * The GTT varying according the the FbMapSize and the popup is 4KB */ - range = (ctx->shared.fbSize / (1024*1024)) + 4; - - if (IS_I85X(pI830) || IS_I865G(pI830) || IS_I9XX(pI830)) { - switch (gmch_ctrl & I830_GMCH_GMS_MASK) { - case I855_GMCH_GMS_STOLEN_1M: - memsize = MB(1) - KB(range); - break; - case I855_GMCH_GMS_STOLEN_4M: - memsize = MB(4) - KB(range); - break; - case I855_GMCH_GMS_STOLEN_8M: - memsize = MB(8) - KB(range); - break; - case I855_GMCH_GMS_STOLEN_16M: - memsize = MB(16) - KB(range); - break; - case I855_GMCH_GMS_STOLEN_32M: - memsize = MB(32) - KB(range); - break; - case I915G_GMCH_GMS_STOLEN_48M: - if (IS_I9XX(pI830)) - memsize = MB(48) - KB(range); - break; - case I915G_GMCH_GMS_STOLEN_64M: - if (IS_I9XX(pI830)) - memsize = MB(64) - KB(range); - break; - } - } else { - switch (gmch_ctrl & I830_GMCH_GMS_MASK) { - case I830_GMCH_GMS_STOLEN_512: - memsize = KB(512) - KB(range); - break; - case I830_GMCH_GMS_STOLEN_1024: - memsize = MB(1) - KB(range); - break; - case I830_GMCH_GMS_STOLEN_8192: - memsize = MB(8) - KB(range); - break; - case I830_GMCH_GMS_LOCAL: - memsize = 0; - xf86DrvMsg(pScrn->scrnIndex, X_WARNING, - "Local memory found, but won't be used.\n"); - break; - } - } - if (memsize > 0) { - fprintf(stderr, - "detected %d kB stolen memory.\n", memsize / 1024); - } else { - fprintf(stderr, - "no video memory detected.\n"); - } - return memsize; -} - -static int AgpInit(const DRIDriverContext *ctx, I830Rec *info) -{ - unsigned long mode = 0x4; - - if (drmAgpAcquire(ctx->drmFD) < 0) { - fprintf(stderr, "[gart] AGP not available\n"); - return 0; - } - - if (drmAgpEnable(ctx->drmFD, mode) < 0) { - fprintf(stderr, "[gart] AGP not enabled\n"); - drmAgpRelease(ctx->drmFD); - return 0; - } - else - fprintf(stderr, "[gart] AGP enabled at %dx\n", ctx->agpmode); - - return 1; -} - -/* - * Allocate memory from the given pool. Grow the pool if needed and if - * possible. - */ -static unsigned long -AllocFromPool(const DRIDriverContext *ctx, I830Rec *pI830, - I830MemRange *result, I830MemPool *pool, - long size, unsigned long alignment, int flags) -{ - long needed, start, end; - - if (!result || !pool || !size) - return 0; - - /* Calculate how much space is needed. */ - if (alignment <= GTT_PAGE_SIZE) - needed = size; - else { - start = ROUND_TO(pool->Free.Start, alignment); - end = ROUND_TO(start + size, alignment); - needed = end - pool->Free.Start; - } - if (needed > pool->Free.Size) { - return 0; - } - - result->Start = ROUND_TO(pool->Free.Start, alignment); - pool->Free.Start += needed; - result->End = pool->Free.Start; - - pool->Free.Size = pool->Free.End - pool->Free.Start; - result->Size = result->End - result->Start; - result->Pool = pool; - result->Alignment = alignment; - return needed; -} - -static unsigned long AllocFromAGP(const DRIDriverContext *ctx, I830Rec *pI830, long size, unsigned long alignment, I830MemRange *result) -{ - unsigned long start, end; - unsigned long newApStart, newApEnd; - int ret; - if (!result || !size) - return 0; - - if (!alignment) - alignment = 4; - - start = ROUND_TO(pI830->MemoryAperture.Start, alignment); - end = ROUND_TO(start + size, alignment); - newApStart = end; - newApEnd = pI830->MemoryAperture.End; - - ret=drmAgpAlloc(ctx->drmFD, size, 0, &(result->Physical), (drm_handle_t *)&(result->Key)); - - if (ret) - { - fprintf(stderr,"drmAgpAlloc failed %d\n", ret); - return 0; - } - pI830->allocatedMemory += size; - pI830->MemoryAperture.Start = newApStart; - pI830->MemoryAperture.End = newApEnd; - pI830->MemoryAperture.Size = newApEnd - newApStart; - // pI830->FreeMemory -= size; - result->Start = start; - result->End = start + size; - result->Size = size; - result->Offset = start; - result->Alignment = alignment; - result->Pool = NULL; - - return size; -} - -unsigned long -I830AllocVidMem(const DRIDriverContext *ctx, I830Rec *pI830, I830MemRange *result, I830MemPool *pool, long size, unsigned long alignment, int flags) -{ - int ret; - - if (!result) - return 0; - - /* Make sure these are initialised. */ - result->Size = 0; - result->Key = -1; - - if (!size) { - return 0; - } - - if (pool->Free.Size < size) - return AllocFromAGP(ctx, pI830, size, alignment, result); - else - { - ret = AllocFromPool(ctx, pI830, result, pool, size, alignment, flags); - - if (ret==0) - return AllocFromAGP(ctx, pI830, size, alignment, result); - return ret; - } -} - -static Bool BindAgpRange(const DRIDriverContext *ctx, I830MemRange *mem) -{ - if (!mem) - return FALSE; - - if (mem->Key == -1) - return TRUE; - - return !drmAgpBind(ctx->drmFD, mem->Key, mem->Offset); -} - -/* simple memory allocation routines needed */ -/* put ring buffer in low memory */ -/* need to allocate front, back, depth buffers aligned correctly, - allocate ring buffer, -*/ - -/* */ -static Bool -I830AllocateMemory(const DRIDriverContext *ctx, I830Rec *pI830) -{ - unsigned long size, ret; - unsigned long lines, lineSize, align; - - /* allocate ring buffer */ - memset(pI830->LpRing, 0, sizeof(I830RingBuffer)); - pI830->LpRing->mem.Key = -1; - - size = PRIMARY_RINGBUFFER_SIZE; - - ret = I830AllocVidMem(ctx, pI830, &pI830->LpRing->mem, &pI830->StolenPool, size, 0x1000, 0); - - if (ret != size) - { - fprintf(stderr,"unable to allocate ring buffer %ld\n", ret); - return FALSE; - } - - pI830->LpRing->tail_mask = pI830->LpRing->mem.Size - 1; - - - /* allocate front buffer */ - memset(&(pI830->FrontBuffer), 0, sizeof(pI830->FrontBuffer)); - pI830->FrontBuffer.Key = -1; - pI830->FrontBuffer.Pitch = ctx->shared.virtualWidth; - - align = KB(512); - - lineSize = ctx->shared.virtualWidth * ctx->cpp; - lines = (ctx->shared.virtualHeight + 15) / 16 * 16; - size = lineSize * lines; - size = ROUND_TO_PAGE(size); - - align = GetBestTileAlignment(size); - - ret = I830AllocVidMem(ctx, pI830, &pI830->FrontBuffer, &pI830->StolenPool, size, align, 0); - if (ret < size) - { - fprintf(stderr,"unable to allocate front buffer %ld\n", ret); - return FALSE; - } - - memset(&(pI830->BackBuffer), 0, sizeof(pI830->BackBuffer)); - pI830->BackBuffer.Key = -1; - pI830->BackBuffer.Pitch = ctx->shared.virtualWidth; - - ret = I830AllocVidMem(ctx, pI830, &pI830->BackBuffer, &pI830->StolenPool, size, align, 0); - if (ret < size) - { - fprintf(stderr,"unable to allocate back buffer %ld\n", ret); - return FALSE; - } - - memset(&(pI830->DepthBuffer), 0, sizeof(pI830->DepthBuffer)); - pI830->DepthBuffer.Key = -1; - pI830->DepthBuffer.Pitch = ctx->shared.virtualWidth; - - ret = I830AllocVidMem(ctx, pI830, &pI830->DepthBuffer, &pI830->StolenPool, size, align, 0); - if (ret < size) - { - fprintf(stderr,"unable to allocate depth buffer %ld\n", ret); - return FALSE; - } - - memset(&(pI830->ContextMem), 0, sizeof(pI830->ContextMem)); - pI830->ContextMem.Key = -1; - size = KB(32); - - ret = I830AllocVidMem(ctx, pI830, &pI830->ContextMem, &pI830->StolenPool, size, align, 0); - if (ret < size) - { - fprintf(stderr,"unable to allocate context buffer %ld\n", ret); - return FALSE; - } - - memset(&(pI830->TexMem), 0, sizeof(pI830->TexMem)); - pI830->TexMem.Key = -1; - - size = 32768 * 1024; - ret = AllocFromAGP(ctx, pI830, size, align, &pI830->TexMem); - if (ret < size) - { - fprintf(stderr,"unable to allocate texture memory %ld\n", ret); - return FALSE; - } - - return TRUE; -} - -static Bool -I830BindMemory(const DRIDriverContext *ctx, I830Rec *pI830) -{ - if (!BindAgpRange(ctx, &pI830->LpRing->mem)) - return FALSE; - if (!BindAgpRange(ctx, &pI830->FrontBuffer)) - return FALSE; - if (!BindAgpRange(ctx, &pI830->BackBuffer)) - return FALSE; - if (!BindAgpRange(ctx, &pI830->DepthBuffer)) - return FALSE; - if (!BindAgpRange(ctx, &pI830->ContextMem)) - return FALSE; - if (!BindAgpRange(ctx, &pI830->TexMem)) - return FALSE; - - return TRUE; -} - -static Bool -I830CleanupDma(const DRIDriverContext *ctx) -{ - drmI830Init info; - - memset(&info, 0, sizeof(drmI830Init)); - info.func = I830_CLEANUP_DMA; - - if (drmCommandWrite(ctx->drmFD, DRM_I830_INIT, - &info, sizeof(drmI830Init))) { - fprintf(stderr, "I830 Dma Cleanup Failed\n"); - return FALSE; - } - - return TRUE; -} - -static Bool -I830InitDma(const DRIDriverContext *ctx, I830Rec *pI830) -{ - I830RingBuffer *ring = pI830->LpRing; - drmI830Init info; - - memset(&info, 0, sizeof(drmI830Init)); - info.func = I830_INIT_DMA; - - info.ring_start = ring->mem.Start + pI830->LinearAddr; - info.ring_end = ring->mem.End + pI830->LinearAddr; - info.ring_size = ring->mem.Size; - - info.mmio_offset = (unsigned int)ctx->MMIOStart; - - info.sarea_priv_offset = sizeof(drm_sarea_t); - - info.front_offset = pI830->FrontBuffer.Start; - info.back_offset = pI830->BackBuffer.Start; - info.depth_offset = pI830->DepthBuffer.Start; - info.w = ctx->shared.virtualWidth; - info.h = ctx->shared.virtualHeight; - info.pitch = ctx->shared.virtualWidth; - info.back_pitch = pI830->BackBuffer.Pitch; - info.depth_pitch = pI830->DepthBuffer.Pitch; - info.cpp = ctx->cpp; - - if (drmCommandWrite(ctx->drmFD, DRM_I830_INIT, - &info, sizeof(drmI830Init))) { - fprintf(stderr, - "I830 Dma Initialization Failed\n"); - return FALSE; - } - - return TRUE; -} - -static int I830CheckDRMVersion( const DRIDriverContext *ctx, - I830Rec *pI830 ) -{ - drmVersionPtr version; - - version = drmGetVersion(ctx->drmFD); - - if (version) { - int req_minor, req_patch; - - req_minor = 4; - req_patch = 0; - - if (version->version_major != 1 || - version->version_minor < req_minor || - (version->version_minor == req_minor && - version->version_patchlevel < req_patch)) { - /* Incompatible drm version */ - fprintf(stderr, - "[dri] I830DRIScreenInit failed because of a version " - "mismatch.\n" - "[dri] i915.o kernel module version is %d.%d.%d " - "but version 1.%d.%d or newer is needed.\n" - "[dri] Disabling DRI.\n", - version->version_major, - version->version_minor, - version->version_patchlevel, - req_minor, - req_patch); - drmFreeVersion(version); - return 0; - } - - pI830->drmMinor = version->version_minor; - drmFreeVersion(version); - } - return 1; -} - -static void -I830SetRingRegs(const DRIDriverContext *ctx, I830Rec *pI830) -{ - unsigned int itemp; - unsigned char *MMIO = ctx->MMIOAddress; - - OUTREG(LP_RING + RING_LEN, 0); - OUTREG(LP_RING + RING_TAIL, 0); - OUTREG(LP_RING + RING_HEAD, 0); - - if ((long)(pI830->LpRing->mem.Start & I830_RING_START_MASK) != - pI830->LpRing->mem.Start) { - fprintf(stderr, - "I830SetRingRegs: Ring buffer start (%lx) violates its " - "mask (%x)\n", pI830->LpRing->mem.Start, I830_RING_START_MASK); - } - /* Don't care about the old value. Reserved bits must be zero anyway. */ - itemp = pI830->LpRing->mem.Start & I830_RING_START_MASK; - OUTREG(LP_RING + RING_START, itemp); - - if (((pI830->LpRing->mem.Size - 4096) & I830_RING_NR_PAGES) != - pI830->LpRing->mem.Size - 4096) { - fprintf(stderr, - "I830SetRingRegs: Ring buffer size - 4096 (%lx) violates its " - "mask (%x)\n", pI830->LpRing->mem.Size - 4096, - I830_RING_NR_PAGES); - } - /* Don't care about the old value. Reserved bits must be zero anyway. */ - itemp = (pI830->LpRing->mem.Size - 4096) & I830_RING_NR_PAGES; - itemp |= (RING_NO_REPORT | RING_VALID); - OUTREG(LP_RING + RING_LEN, itemp); - - pI830->LpRing->head = INREG(LP_RING + RING_HEAD) & I830_HEAD_MASK; - pI830->LpRing->tail = INREG(LP_RING + RING_TAIL); - pI830->LpRing->space = pI830->LpRing->head - (pI830->LpRing->tail + 8); - if (pI830->LpRing->space < 0) - pI830->LpRing->space += pI830->LpRing->mem.Size; - - SetFenceRegs(ctx, pI830); - - /* RESET THE DISPLAY PIPE TO POINT TO THE FRONTBUFFER - hacky - hacky hacky */ - OUTREG(DSPABASE, pI830->FrontBuffer.Start + pI830->LinearAddr); - -} - -static Bool -I830SetParam(const DRIDriverContext *ctx, int param, int value) -{ - drmI830SetParam sp; - - memset(&sp, 0, sizeof(sp)); - sp.param = param; - sp.value = value; - - if (drmCommandWrite(ctx->drmFD, DRM_I830_SETPARAM, &sp, sizeof(sp))) { - fprintf(stderr, "I830 SetParam Failed\n"); - return FALSE; - } - - return TRUE; -} - -static Bool -I830DRIMapScreenRegions(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea) -{ - fprintf(stderr, - "[drm] Mapping front buffer\n"); - - if (drmAddMap(ctx->drmFD, - (drm_handle_t)(sarea->front_offset + pI830->LinearAddr), - sarea->front_size, - DRM_FRAME_BUFFER, /*DRM_AGP,*/ - 0, - &sarea->front_handle) < 0) { - fprintf(stderr, - "[drm] drmAddMap(front_handle) failed. Disabling DRI\n"); - return FALSE; - } - ctx->shared.hFrameBuffer = sarea->front_handle; - ctx->shared.fbSize = sarea->front_size; - fprintf(stderr, "[drm] Front Buffer = 0x%08x\n", - sarea->front_handle); - - if (drmAddMap(ctx->drmFD, - (drm_handle_t)(sarea->back_offset), - sarea->back_size, DRM_AGP, 0, - &sarea->back_handle) < 0) { - fprintf(stderr, - "[drm] drmAddMap(back_handle) failed. Disabling DRI\n"); - return FALSE; - } - fprintf(stderr, "[drm] Back Buffer = 0x%08x\n", - sarea->back_handle); - - if (drmAddMap(ctx->drmFD, - (drm_handle_t)sarea->depth_offset, - sarea->depth_size, DRM_AGP, 0, - &sarea->depth_handle) < 0) { - fprintf(stderr, - "[drm] drmAddMap(depth_handle) failed. Disabling DRI\n"); - return FALSE; - } - fprintf(stderr, "[drm] Depth Buffer = 0x%08x\n", - sarea->depth_handle); - - if (drmAddMap(ctx->drmFD, - (drm_handle_t)sarea->tex_offset, - sarea->tex_size, DRM_AGP, 0, - &sarea->tex_handle) < 0) { - fprintf(stderr, - "[drm] drmAddMap(tex_handle) failed. Disabling DRI\n"); - return FALSE; - } - fprintf(stderr, "[drm] textures = 0x%08x\n", - sarea->tex_handle); - - return TRUE; -} - - -static void -I830DRIUnmapScreenRegions(const DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea) -{ -#if 1 - if (sarea->front_handle) { - drmRmMap(ctx->drmFD, sarea->front_handle); - sarea->front_handle = 0; - } -#endif - if (sarea->back_handle) { - drmRmMap(ctx->drmFD, sarea->back_handle); - sarea->back_handle = 0; - } - if (sarea->depth_handle) { - drmRmMap(ctx->drmFD, sarea->depth_handle); - sarea->depth_handle = 0; - } - if (sarea->tex_handle) { - drmRmMap(ctx->drmFD, sarea->tex_handle); - sarea->tex_handle = 0; - } -} - -static void -I830InitTextureHeap(const DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea) -{ - /* Start up the simple memory manager for agp space */ - drmI830MemInitHeap drmHeap; - drmHeap.region = I830_MEM_REGION_AGP; - drmHeap.start = 0; - drmHeap.size = sarea->tex_size; - - if (drmCommandWrite(ctx->drmFD, DRM_I830_INIT_HEAP, - &drmHeap, sizeof(drmHeap))) { - fprintf(stderr, - "[drm] Failed to initialized agp heap manager\n"); - } else { - fprintf(stderr, - "[drm] Initialized kernel agp heap manager, %d\n", - sarea->tex_size); - - I830SetParam(ctx, I830_SETPARAM_TEX_LRU_LOG_GRANULARITY, - sarea->log_tex_granularity); - } -} - -static Bool -I830DRIDoMappings(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea) -{ - if (drmAddMap(ctx->drmFD, - (drm_handle_t)pI830->LpRing->mem.Start, - pI830->LpRing->mem.Size, DRM_AGP, 0, - &pI830->ring_map) < 0) { - fprintf(stderr, - "[drm] drmAddMap(ring_map) failed. Disabling DRI\n"); - return FALSE; - } - fprintf(stderr, "[drm] ring buffer = 0x%08x\n", - pI830->ring_map); - - if (I830InitDma(ctx, pI830) == FALSE) { - return FALSE; - } - - /* init to zero to be safe */ - - I830DRIMapScreenRegions(ctx, pI830, sarea); - I830InitTextureHeap(ctx, pI830, sarea); - - if (ctx->pciDevice != PCI_CHIP_845_G && - ctx->pciDevice != PCI_CHIP_I830_M) { - I830SetParam(ctx, I830_SETPARAM_USE_MI_BATCHBUFFER_START, 1 ); - } - - /* Okay now initialize the dma engine */ - { - pI830->irq = drmGetInterruptFromBusID(ctx->drmFD, - ctx->pciBus, - ctx->pciDevice, - ctx->pciFunc); - - if (drmCtlInstHandler(ctx->drmFD, pI830->irq)) { - fprintf(stderr, - "[drm] failure adding irq handler\n"); - pI830->irq = 0; - return FALSE; - } - else - fprintf(stderr, - "[drm] dma control initialized, using IRQ %d\n", - pI830->irq); - } - - fprintf(stderr, "[dri] visual configs initialized\n"); - - return TRUE; -} - -static Bool -I830ClearScreen(DRIDriverContext *ctx, I830Rec *pI830, drmI830Sarea *sarea) -{ - /* need to drmMap front and back buffers and zero them */ - drmAddress map_addr; - int ret; - - ret = drmMap(ctx->drmFD, - sarea->front_handle, - sarea->front_size, - &map_addr); - - if (ret) - { - fprintf(stderr, "Unable to map front buffer\n"); - return FALSE; - } - - drimemsetio((char *)map_addr, - 0, - sarea->front_size); - drmUnmap(map_addr, sarea->front_size); - - - ret = drmMap(ctx->drmFD, - sarea->back_handle, - sarea->back_size, - &map_addr); - - if (ret) - { - fprintf(stderr, "Unable to map back buffer\n"); - return FALSE; - } - - drimemsetio((char *)map_addr, - 0, - sarea->back_size); - drmUnmap(map_addr, sarea->back_size); - - return TRUE; -} - -static Bool -I830ScreenInit(DRIDriverContext *ctx, I830Rec *pI830) - -{ - I830DRIPtr pI830DRI; - drmI830Sarea *pSAREAPriv; - int err; - - drm_page_size = getpagesize(); - - pI830->registerSize = ctx->MMIOSize; - /* This is a hack for now. We have to have more than a 4k page here - * because of the size of the state. However, the state should be - * in a per-context mapping. This will be added in the Mesa 3.5 port - * of the I830 driver. - */ - ctx->shared.SAREASize = SAREA_MAX; - - /* Note that drmOpen will try to load the kernel module, if needed. */ - ctx->drmFD = drmOpen("i915", 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%08x\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%08x to %p, size %d\n", - ctx->shared.hSAREA, ctx->pSAREA, ctx->shared.SAREASize); - - - if (drmAddMap(ctx->drmFD, - ctx->MMIOStart, - ctx->MMIOSize, - DRM_REGISTERS, - DRM_READ_ONLY, - &pI830->registerHandle) < 0) { - fprintf(stderr, "[drm] drmAddMap mmio failed\n"); - return 0; - } - fprintf(stderr, - "[drm] register handle = 0x%08x\n", pI830->registerHandle); - - - if (!I830CheckDRMVersion(ctx, pI830)) { - return 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 SAREA private data structure */ - pSAREAPriv = (drmI830Sarea *)(((char*)ctx->pSAREA) + - sizeof(drm_sarea_t)); - memset(pSAREAPriv, 0, sizeof(*pSAREAPriv)); - - pI830->StolenMemory.Size = I830DetectMemory(ctx, pI830); - pI830->StolenMemory.Start = 0; - pI830->StolenMemory.End = pI830->StolenMemory.Size; - - pI830->MemoryAperture.Start = pI830->StolenMemory.End; - pI830->MemoryAperture.End = KB(40000); - pI830->MemoryAperture.Size = pI830->MemoryAperture.End - pI830->MemoryAperture.Start; - - pI830->StolenPool.Fixed = pI830->StolenMemory; - pI830->StolenPool.Total = pI830->StolenMemory; - pI830->StolenPool.Free = pI830->StolenPool.Total; - pI830->FreeMemory = pI830->StolenPool.Total.Size; - - if (!AgpInit(ctx, pI830)) - return FALSE; - - if (I830AllocateMemory(ctx, pI830) == FALSE) - { - return FALSE; - } - - if (I830BindMemory(ctx, pI830) == FALSE) - { - return FALSE; - } - - pSAREAPriv->front_offset = pI830->FrontBuffer.Start; - pSAREAPriv->front_size = pI830->FrontBuffer.Size; - pSAREAPriv->width = ctx->shared.virtualWidth; - pSAREAPriv->height = ctx->shared.virtualHeight; - pSAREAPriv->pitch = ctx->shared.virtualWidth; - pSAREAPriv->virtualX = ctx->shared.virtualWidth; - pSAREAPriv->virtualY = ctx->shared.virtualHeight; - pSAREAPriv->back_offset = pI830->BackBuffer.Start; - pSAREAPriv->back_size = pI830->BackBuffer.Size; - pSAREAPriv->depth_offset = pI830->DepthBuffer.Start; - pSAREAPriv->depth_size = pI830->DepthBuffer.Size; - pSAREAPriv->tex_offset = pI830->TexMem.Start; - pSAREAPriv->tex_size = pI830->TexMem.Size; - pSAREAPriv->log_tex_granularity = pI830->TexGranularity; - - ctx->driverClientMsg = malloc(sizeof(I830DRIRec)); - ctx->driverClientMsgSize = sizeof(I830DRIRec); - pI830DRI = (I830DRIPtr)ctx->driverClientMsg; - pI830DRI->deviceID = pI830->Chipset; - pI830DRI->regsSize = I830_REG_SIZE; - pI830DRI->width = ctx->shared.virtualWidth; - pI830DRI->height = ctx->shared.virtualHeight; - pI830DRI->mem = ctx->shared.fbSize; - pI830DRI->cpp = ctx->cpp; - pI830DRI->backOffset = pI830->BackBuffer.Start; - pI830DRI->backPitch = pI830->BackBuffer.Pitch; - - pI830DRI->depthOffset = pI830->DepthBuffer.Start; - pI830DRI->depthPitch = pI830->DepthBuffer.Pitch; - - pI830DRI->fbOffset = pI830->FrontBuffer.Start; - pI830DRI->fbStride = pI830->FrontBuffer.Pitch; - - pI830DRI->bitsPerPixel = ctx->bpp; - pI830DRI->sarea_priv_offset = sizeof(drm_sarea_t); - - err = I830DRIDoMappings(ctx, pI830, pSAREAPriv); - if (err == FALSE) - return FALSE; - - I830SetupMemoryTiling(ctx, pI830); - - /* 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. - */ - I830ClearScreen(ctx, pI830, pSAREAPriv); - - I830SetRingRegs(ctx, pI830); - - return TRUE; -} - - -/** - * \brief Validate the fbdev mode. - * - * \param ctx display handle. - * - * \return one on success, or zero on failure. - * - * Saves some registers and returns 1. - * - * \sa radeonValidateMode(). - */ -static int i830ValidateMode( 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 i810ValidateMode(). - */ -static int i830PostValidateMode( const DRIDriverContext *ctx ) -{ - I830Rec *pI830 = ctx->driverPrivate; - - I830SetRingRegs(ctx, pI830); - 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 I810ScreenInit() for the screen initialization. - * - * Before exiting clears the framebuffer memory accessing it directly. - */ -static int i830InitFBDev( DRIDriverContext *ctx ) -{ - I830Rec *pI830 = calloc(1, sizeof(I830Rec)); - int i; - - { - 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->shared.Width = ctx->shared.virtualWidth; - } - - - for (i = 0; pitches[i] != 0; i++) { - if (pitches[i] >= ctx->shared.virtualWidth) { - ctx->shared.virtualWidth = pitches[i]; - break; - } - } - - ctx->driverPrivate = (void *)pI830; - - pI830->LpRing = calloc(1, sizeof(I830RingBuffer)); - pI830->Chipset = ctx->chipset; - pI830->LinearAddr = ctx->FBStart; - - if (!I830ScreenInit( ctx, pI830 )) - 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 i830HaltFBDev( DRIDriverContext *ctx ) -{ - drmI830Sarea *pSAREAPriv; - I830Rec *pI830 = ctx->driverPrivate; - - if (pI830->irq) { - drmCtlUninstHandler(ctx->drmFD); - pI830->irq = 0; } - - I830CleanupDma(ctx); - - pSAREAPriv = (drmI830Sarea *)(((char*)ctx->pSAREA) + - sizeof(drm_sarea_t)); - - I830DRIUnmapScreenRegions(ctx, pI830, pSAREAPriv); - drmUnmap( ctx->pSAREA, ctx->shared.SAREASize ); - drmClose(ctx->drmFD); - - if (ctx->driverPrivate) { - free(ctx->driverPrivate); - ctx->driverPrivate = 0; - } -} - - -extern void i810NotifyFocus( int ); - -/** - * \brief Exported driver interface for Mini GLX. - * - * \sa DRIDriverRec. - */ -const struct DRIDriverRec __driDriver = { - i830ValidateMode, - i830PostValidateMode, - i830InitFBDev, - i830HaltFBDev, - NULL,//I830EngineShutdown, - NULL, //I830EngineRestore, -#ifndef _EMBEDDED - 0, -#else - i810NotifyFocus, -#endif -}; +../../intel/server/intel_dri.c
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