diff options
Diffstat (limited to 'src/mesa/drivers/dri/i810/server/i810_dri.c')
| -rw-r--r-- | src/mesa/drivers/dri/i810/server/i810_dri.c | 975 |
1 files changed, 0 insertions, 975 deletions
diff --git a/src/mesa/drivers/dri/i810/server/i810_dri.c b/src/mesa/drivers/dri/i810/server/i810_dri.c deleted file mode 100644 index f52797c5ed2..00000000000 --- a/src/mesa/drivers/dri/i810/server/i810_dri.c +++ /dev/null @@ -1,975 +0,0 @@ -/** - * \file server/i810_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) 2004 Dave Airlie ([email protected]) - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> - -#include "driver.h" -#include "drm.h" - -#include "i810.h" -#include "i810_dri.h" -#include "i810_reg.h" - - -static int i810_pitches[] = { - 512, - 1024, - 2048, - 4096, - 0 -}; - -static int i810_pitch_flags[] = { - 0x0, - 0x1, - 0x2, - 0x3, - 0 -}; - -static unsigned int i810_drm_version = 0; - -static int -I810AllocLow(I810MemRange * result, I810MemRange * pool, int size) -{ - if (size > pool->Size) - return 0; - - pool->Size -= size; - result->Size = size; - result->Start = pool->Start; - result->End = pool->Start += size; - - return 1; -} - -static int -I810AllocHigh(I810MemRange * result, I810MemRange * pool, int size) -{ - if (size > pool->Size) - return 0; - - pool->Size -= size; - result->Size = size; - result->End = pool->End; - result->Start = pool->End -= size; - - return 1; -} - - -/** - * \brief Wait for free FIFO entries. - * - * \param ctx display handle. - * \param entries number of free entries to wait. - * - * It polls the free entries from the chip until it reaches the requested value - * or a timeout (3000 tries) occurs. Aborts the program if the FIFO times out. - */ -static void I810WaitForFifo( const DRIDriverContext *ctx, - int entries ) -{ -} - -/** - * \brief Reset graphics card to known state. - * - * \param ctx display handle. - * - * Resets the values of several I810 registers. - */ -static void I810EngineReset( const DRIDriverContext *ctx ) -{ - unsigned char *I810MMIO = ctx->MMIOAddress; -} - -/** - * \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 i810 command processor engine (i.e., the ringbuffer). - */ -static int I810EngineRestore( const DRIDriverContext *ctx ) -{ - I810Ptr info = ctx->driverPrivate; - unsigned char *I810MMIO = ctx->MMIOAddress; - - fprintf(stderr, "%s\n", __FUNCTION__); - - 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 I810EngineShutdown( const DRIDriverContext *ctx ) -{ - drmI810Init info; - int ret; - - memset(&info, 0, sizeof(drmI810Init)); - info.func = I810_CLEANUP_DMA; - - ret = drmCommandWrite(ctx->drmFD, DRM_I810_INIT, &info, sizeof(drmI810Init)); - if (ret>0) - { - fprintf(stderr,"[dri] I810 DMA Cleanup failed\n"); - return -errno; - } - return 0; -} - -/** - * \brief Compute base 2 logarithm. - * - * \param val value. - * - * \return base 2 logarithm of \p val. - */ -static int I810MinBits(int val) -{ - int bits; - - if (!val) return 1; - for (bits = 0; val; val >>= 1, ++bits); - return bits; -} - -static int I810DRIAgpPreInit( const DRIDriverContext *ctx, I810Ptr info) -{ - - if (drmAgpAcquire(ctx->drmFD) < 0) { - fprintf(stderr, "[gart] AGP not available\n"); - return 0; - } - - - if (drmAgpEnable(ctx->drmFD, 0) < 0) { - fprintf(stderr, "[gart] AGP not enabled\n"); - drmAgpRelease(ctx->drmFD); - return 0; - } -} - -/** - * \brief Initialize the AGP state - * - * \param ctx display handle. - * \param info driver private data. - * - * \return one on success, or zero on failure. - * - * Acquires and enables the AGP device. Reserves memory in the AGP space for - * the ring buffer, vertex buffers and textures. Initialize the I810 - * registers to point to that memory and add client mappings. - */ -static int I810DRIAgpInit( const DRIDriverContext *ctx, I810Ptr info) -{ - unsigned char *I810MMIO = ctx->MMIOAddress; - int ret; - int s, l; - unsigned long dcacheHandle; - unsigned long agpHandle; - int pitch_idx = 0; - int back_size = 0; - int sysmem_size = 0; - int width = ctx->shared.virtualWidth * ctx->cpp; - - - info->backHandle = DRM_AGP_NO_HANDLE; - info->zHandle = DRM_AGP_NO_HANDLE; - info->sysmemHandle = DRM_AGP_NO_HANDLE; - info->dcacheHandle = DRM_AGP_NO_HANDLE; - - memset(&info->DcacheMem, 0, sizeof(I810MemRange)); - memset(&info->BackBuffer, 0, sizeof(I810MemRange)); - memset(&info->DepthBuffer, 0, sizeof(I810MemRange)); - - drmAgpAlloc(ctx->drmFD, 4096 * 1024, 1, NULL, &dcacheHandle); - info->dcacheHandle = dcacheHandle; - - fprintf(stderr, "[agp] dcacheHandle : 0x%x\n", dcacheHandle); - -#define Elements(x) sizeof(x)/sizeof(*x) - for (pitch_idx = 0; pitch_idx < Elements(i810_pitches); pitch_idx++) - if (width <= i810_pitches[pitch_idx]) - break; - - if (pitch_idx == Elements(i810_pitches)) { - fprintf(stderr,"[dri] Couldn't find depth/back buffer pitch\n"); - exit(-1); - } - else - { - int lines = (ctx->shared.virtualWidth + 15) / 16 * 16; - back_size = i810_pitches[pitch_idx] * lines; - back_size = ((back_size + 4096 - 1) / 4096) * 4096; - } - - sysmem_size = ctx->shared.fbSize; - fprintf(stderr,"sysmem_size is %lu back_size is %lu\n", sysmem_size, back_size); - if (dcacheHandle != DRM_AGP_NO_HANDLE) { - if (back_size > 4 * 1024 * 1024) { - fprintf(stderr,"[dri] Backsize is larger then 4 meg\n"); - sysmem_size = sysmem_size - 2 * back_size; - drmAgpFree(ctx->drmFD, dcacheHandle); - info->dcacheHandle = dcacheHandle = DRM_AGP_NO_HANDLE; - } else { - sysmem_size = sysmem_size - back_size; - } - } else { - sysmem_size = sysmem_size - 2 * back_size; - } - - info->SysMem.Start=0; - info->SysMem.Size = sysmem_size; - info->SysMem.End = sysmem_size; - - if (dcacheHandle != DRM_AGP_NO_HANDLE) { - if (drmAgpBind(ctx->drmFD, dcacheHandle, info->DepthOffset) == 0) { - memset(&info->DcacheMem, 0, sizeof(I810MemRange)); - fprintf(stderr,"[agp] GART: Found 4096K Z buffer memory\n"); - info->DcacheMem.Start = info->DepthOffset; - info->DcacheMem.Size = 1024 * 4096; - info->DcacheMem.End = info->DcacheMem.Start + info->DcacheMem.Size; - } else { - fprintf(stderr, "[agp] GART: dcache bind failed\n"); - drmAgpFree(ctx->drmFD, dcacheHandle); - info->dcacheHandle = dcacheHandle = DRM_AGP_NO_HANDLE; - } - } else { - fprintf(stderr, "[agp] GART: no dcache memory found\n"); - } - - drmAgpAlloc(ctx->drmFD, back_size, 0, NULL, &agpHandle); - info->backHandle = agpHandle; - - if (agpHandle != DRM_AGP_NO_HANDLE) { - if (drmAgpBind(ctx->drmFD, agpHandle, info->BackOffset) == 0) { - fprintf(stderr, "[agp] Bound backbuffer memory\n"); - - info->BackBuffer.Start = info->BackOffset; - info->BackBuffer.Size = back_size; - info->BackBuffer.End = (info->BackBuffer.Start + - info->BackBuffer.Size); - } else { - fprintf(stderr,"[agp] Unable to bind backbuffer. Disabling DRI.\n"); - return 0; - } - } else { - fprintf(stderr, "[dri] Unable to allocate backbuffer memory. Disabling DRI.\n"); - return 0; - } - - if (dcacheHandle == DRM_AGP_NO_HANDLE) { - drmAgpAlloc(ctx->drmFD, back_size, 0, NULL, &agpHandle); - - info->zHandle = agpHandle; - - if (agpHandle != DRM_AGP_NO_HANDLE) { - if (drmAgpBind(ctx->drmFD, agpHandle, info->DepthOffset) == 0) { - fprintf(stderr,"[agp] Bound depthbuffer memory\n"); - info->DepthBuffer.Start = info->DepthOffset; - info->DepthBuffer.Size = back_size; - info->DepthBuffer.End = (info->DepthBuffer.Start + - info->DepthBuffer.Size); - } else { - fprintf(stderr,"[agp] Unable to bind depthbuffer. Disabling DRI.\n"); - return 0; - } - } else { - fprintf(stderr,"[agp] Unable to allocate depthbuffer memory. Disabling DRI.\n"); - return 0; - } - } - - /* Now allocate and bind the agp space. This memory will include the - * regular framebuffer as well as texture memory. - */ - drmAgpAlloc(ctx->drmFD, sysmem_size, 0, NULL, &agpHandle); - info->sysmemHandle = agpHandle; - - if (agpHandle != DRM_AGP_NO_HANDLE) { - if (drmAgpBind(ctx->drmFD, agpHandle, 0) == 0) { - fprintf(stderr, "[agp] Bound System Texture Memory\n"); - } else { - fprintf(stderr, "[agp] Unable to bind system texture memory. Disabling DRI.\n"); - return 0; - } - } else { - fprintf(stderr, "[agp] Unable to allocate system texture memory. Disabling DRI.\n"); - return 0; - } - - info->auxPitch = i810_pitches[pitch_idx]; - info->auxPitchBits = i810_pitch_flags[pitch_idx]; - - return 1; -} - - -/** - * \brief Initialize the kernel data structures and enable the CP engine. - * - * \param ctx display handle. - * \param info driver private data. - * - * \return non-zero on success, or zero on failure. - * - * This function is a wrapper around the DRM_I810_CP_INIT command, passing - * all the parameters in a drmI810Init structure. - */ -static int I810DRIKernelInit( const DRIDriverContext *ctx, - I810Ptr info) -{ - int cpp = ctx->bpp / 8; - drmI810Init drmInfo; - int ret; - I810RingBuffer *ring = &(info->LpRing); - - /* This is the struct passed to the kernel module for its initialization */ - memset(&drmInfo, 0, sizeof(drmI810Init)); - - /* make sure we have at least 1.4 */ - drmInfo.func = I810_INIT_DMA_1_4; - - drmInfo.ring_start = ring->mem.Start; - drmInfo.ring_end = ring->mem.End; - drmInfo.ring_size = ring->mem.Size; - - drmInfo.mmio_offset = (unsigned int)info->regs; - drmInfo.buffers_offset = (unsigned int)info->buffer_map; - drmInfo.sarea_priv_offset = sizeof(drm_sarea_t); - - drmInfo.front_offset = 0; - drmInfo.back_offset = info->BackBuffer.Start; - drmInfo.depth_offset = info->DepthBuffer.Start; - - drmInfo.w = ctx->shared.virtualWidth; - drmInfo.h = ctx->shared.virtualHeight; - drmInfo.pitch = info->auxPitch; - drmInfo.pitch_bits = info->auxPitchBits; - - - ret = drmCommandWrite(ctx->drmFD, DRM_I810_INIT, &drmInfo, - sizeof(drmI810Init)); - - return ret >= 0; -} - - -/** - * \brief Add a map for the vertex buffers that will be accessed by any - * DRI-based clients. - * - * \param ctx display handle. - * \param info driver private data. - * - * \return one on success, or zero on failure. - * - * Calls drmAddBufs() with the previously allocated vertex buffers. - */ -static int I810DRIBufInit( const DRIDriverContext *ctx, I810Ptr info ) -{ - /* Initialize vertex buffers */ - info->bufNumBufs = drmAddBufs(ctx->drmFD, - I810_DMA_BUF_NR, - I810_DMA_BUF_SZ, - DRM_AGP_BUFFER, - info->BufferMem.Start); - - if (info->bufNumBufs <= 0) { - fprintf(stderr, - "[drm] Could not create vertex/indirect buffers list\n"); - return 0; - } - fprintf(stderr, - "[drm] Added %d %d byte vertex/indirect buffers\n", - info->bufNumBufs, I810_DMA_BUF_SZ); - - return 1; -} - -/** - * \brief Install an IRQ handler. - * - * \param ctx display handle. - * \param info driver private data. - * - * Attempts to install an IRQ handler via drmCtlInstHandler(), falling back to - * IRQ-free operation on failure. - */ -static void I810DRIIrqInit(const DRIDriverContext *ctx, - I810Ptr info) -{ - 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; - } - } - - if (info->irq) - fprintf(stderr, - "[drm] dma control initialized, using IRQ %d\n", - info->irq); -} - -static int I810CheckDRMVersion( const DRIDriverContext *ctx, - I810Ptr info ) -{ - drmVersionPtr version; - - version = drmGetVersion(ctx->drmFD); - if (version) { - int req_minor, req_patch; - - req_minor = 4; - req_patch = 0; - - i810_drm_version = (version->version_major<<16) | version->version_minor; - 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] I810DRIScreenInit failed because of a version " - "mismatch.\n" - "[dri] i810.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; - } - - info->drmMinor = version->version_minor; - drmFreeVersion(version); - } - - return 1; -} - -static int I810MemoryInit( const DRIDriverContext *ctx, I810Ptr info ) -{ - int width_bytes = ctx->shared.virtualWidth * ctx->cpp; - int cpp = ctx->cpp; - int bufferSize = (ctx->shared.virtualHeight * width_bytes); - int depthSize = (((ctx->shared.virtualHeight+15) & ~15) * width_bytes); - int l; - - if (drmAddMap(ctx->drmFD, (drm_handle_t) info->BackBuffer.Start, - info->BackBuffer.Size, DRM_AGP, 0, - &info->backbuffer) < 0) { - fprintf(stderr, "[drm] drmAddMap(backbuffer) failed. Disabling DRI\n"); - return 0; - } - - if (drmAddMap(ctx->drmFD, (drm_handle_t) info->DepthBuffer.Start, - info->DepthBuffer.Size, DRM_AGP, 0, - &info->depthbuffer) < 0) { - fprintf(stderr, "[drm] drmAddMap(depthbuffer) failed. Disabling DRI.\n"); - return 0; - } - - if (!I810AllocLow(&(info->FrontBuffer), &(info->SysMem), (((ctx->shared.virtualHeight * width_bytes) + 4095) & ~4095))) - { - fprintf(stderr,"Framebuffer allocation failed\n"); - return 0; - } - else - fprintf(stderr,"Frame buffer at 0x%.8x (%luk, %lu bytes)\n", - info->FrontBuffer.Start, - info->FrontBuffer.Size / 1024, info->FrontBuffer.Size); - - memset(&(info->LpRing), 0, sizeof(I810RingBuffer)); - if (I810AllocLow(&(info->LpRing.mem), &(info->SysMem), 16 * 4096)) { - fprintf(stderr, - "Ring buffer at 0x%.8x (%luk, %lu bytes)\n", - info->LpRing.mem.Start, - info->LpRing.mem.Size / 1024, info->LpRing.mem.Size); - - info->LpRing.tail_mask = info->LpRing.mem.Size - 1; - info->LpRing.virtual_start = info->LpRing.mem.Start; - info->LpRing.head = 0; - info->LpRing.tail = 0; - info->LpRing.space = 0; - } else { - fprintf(stderr, "Ring buffer allocation failed\n"); - return (0); - } - - /* Allocate buffer memory */ - I810AllocHigh(&(info->BufferMem), &(info->SysMem), - I810_DMA_BUF_NR * I810_DMA_BUF_SZ); - - - fprintf(stderr, "[dri] Buffer map : %lx\n", - info->BufferMem.Start); - - if (info->BufferMem.Start == 0 || - info->BufferMem.End - info->BufferMem.Start > - I810_DMA_BUF_NR * I810_DMA_BUF_SZ) { - fprintf(stderr,"[dri] Not enough memory for dma buffers. Disabling DRI.\n"); - return 0; - } - - if (drmAddMap(ctx->drmFD, (drm_handle_t) info->BufferMem.Start, - info->BufferMem.Size, DRM_AGP, 0, &info->buffer_map) < 0) { - fprintf(stderr, "[drm] drmAddMap(buffer_map) failed. Disabling DRI.\n"); - return 0; - } - - if (drmAddMap(ctx->drmFD, (drm_handle_t) info->LpRing.mem.Start, - info->LpRing.mem.Size, DRM_AGP, 0, &info->ring_map) < 0) { - fprintf(stderr, "[drm] drmAddMap(ring_map) failed. Disabling DRI. \n"); - return 0; - } - - /* Front, back and depth buffers - everything else texture?? - */ - info->textureSize = info->SysMem.Size; - - if (info->textureSize < 0) - return 0; - - - l = I810MinBits((info->textureSize-1) / I810_NR_TEX_REGIONS); - if (l < I810_LOG_MIN_TEX_REGION_SIZE) l = I810_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. - */ - info->logTextureGranularity = 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; - } - - I810AllocLow(&(info->TexMem), &(info->SysMem), info->textureSize); - - if (drmAddMap(ctx->drmFD, (drm_handle_t) info->TexMem.Start, - info->TexMem.Size, DRM_AGP, 0, &info->textures) < 0) { - fprintf(stderr, - "[drm] drmAddMap(textures) failed. Disabling DRI.\n"); - return 0; - } - - /* Reserve space for textures */ - 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->TexMem.Size/1024, info->TexMem.Start); - - return 1; -} - - - -/** - * Called at the start of each server generation. - * - * \param ctx display handle. - * \param info driver private data. - * - * \return non-zero on success, or zero on failure. - * - * Performs static frame buffer allocation. Opens the DRM device and add maps - * to the SAREA, framebuffer and MMIO regions. Fills in \p info with more - * information. Creates a \e server context to grab the lock for the - * initialization ioctls and calls the other initilization functions in this - * file. Starts the CP engine via the DRM_I810_CP_START command. - * - * Setups a I810DRIRec structure to be passed to i810_dri.so for its - * initialization. - */ -static int I810ScreenInit( DRIDriverContext *ctx, I810Ptr info ) -{ - I810DRIPtr pI810DRI; - int err; - - usleep(100); - /*assert(!ctx->IsClient);*/ - - /* from XFree86 driver */ - info->DepthOffset = 0x3000000; - info->BackOffset = 0x3800000; - { - 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; - } - } - - - info->regsSize = ctx->MMIOSize; - ctx->shared.SAREASize = 0x2000; - - /* Note that drmOpen will try to load the kernel module, if needed. */ - ctx->drmFD = drmOpen("i810", 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); - - if (drmAddMap(ctx->drmFD, - ctx->MMIOStart, - ctx->MMIOSize, - DRM_REGISTERS, - DRM_READ_ONLY, - &info->regs) < 0) { - fprintf(stderr, "[drm] drmAddMap mmio failed\n"); - return 0; - } - fprintf(stderr, - "[drm] register handle = 0x%08x\n", info->regs); - - I810DRIAgpPreInit(ctx, info); - /* Need to AddMap the framebuffer and mmio regions here: - */ - if (drmAddMap( ctx->drmFD, - (drm_handle_t)ctx->FBStart, - ctx->FBSize, - DRM_FRAME_BUFFER, -#ifndef _EMBEDDED - 0, -#else - DRM_READ_ONLY, -#endif - &ctx->shared.hFrameBuffer) < 0) - { - fprintf(stderr, "[drm] drmAddMap framebuffer failed\n"); - return 0; - } - - fprintf(stderr, "[drm] framebuffer handle = 0x%08lx\n", - ctx->shared.hFrameBuffer); - - /* Check the i810 DRM version */ - if (!I810CheckDRMVersion(ctx, info)) { - return 0; - } - - /* Initialize AGP */ - if (!I810DRIAgpInit(ctx, info)) { - return 0; - } - - - /* Memory manager setup */ - if (!I810MemoryInit(ctx, info)) { - return 0; - } - - /* Initialize the SAREA private data structure */ - { - I810SAREAPtr pSAREAPriv; - pSAREAPriv = (I810SAREAPtr)(((char*)ctx->pSAREA) + - sizeof(drm_sarea_t)); - memset(pSAREAPriv, 0, sizeof(*pSAREAPriv)); - // pSAREAPriv->pf_enabled=1; - } - - - /* 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 vertex buffers list */ - if (!I810DRIBufInit(ctx, info)) { - fprintf(stderr, "I810DRIBufInit failed\n"); - DRM_UNLOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext); - return 0; - } - - /* Initialize the kernel data structures */ - if (!I810DRIKernelInit(ctx, info)) { - fprintf(stderr, "I810DRIKernelInit failed\n"); - DRM_UNLOCK(ctx->drmFD, ctx->pSAREA, ctx->serverContext); - return 0; - } - - /* Initialize IRQ */ - I810DRIIrqInit(ctx, info); - - /* 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. - */ -#if 0 - memset((char *)ctx->FBAddress, - 0, - info->auxPitch * ctx->cpp * ctx->shared.virtualHeight ); - - memset((char *)info->backbuffer, - 0, - info->auxPitch * ctx->cpp * ctx->shared.virtualHeight ); -#endif - - /* This is the struct passed to i810_dri.so for its initialization */ - ctx->driverClientMsg = malloc(sizeof(I810DRIRec)); - ctx->driverClientMsgSize = sizeof(I810DRIRec); - pI810DRI = (I810DRIPtr)ctx->driverClientMsg; - - pI810DRI->regs = info->regs; - pI810DRI->regsSize = info->regsSize; - // regsMap is unused - - pI810DRI->backbufferSize = info->BackBuffer.Size; - pI810DRI->backbuffer = info->backbuffer; - - pI810DRI->depthbufferSize = info->DepthBuffer.Size; - pI810DRI->depthbuffer = info->depthbuffer; - - pI810DRI->textures = info->textures; - pI810DRI->textureSize = info->textureSize; - - pI810DRI->agp_buffers = info->buffer_map; - pI810DRI->agp_buf_size = info->BufferMem.Size; - - pI810DRI->deviceID = info->Chipset; - pI810DRI->width = ctx->shared.virtualWidth; - pI810DRI->height = ctx->shared.virtualHeight; - pI810DRI->mem = ctx->shared.fbSize; - pI810DRI->cpp = ctx->bpp / 8; - pI810DRI->bitsPerPixel = ctx->bpp; - pI810DRI->fbOffset = info->FrontBuffer.Start; - pI810DRI->fbStride = info->auxPitch; - - pI810DRI->backOffset = info->BackBuffer.Start; - pI810DRI->depthOffset = info->DepthBuffer.Start; - - pI810DRI->auxPitch = info->auxPitch; - pI810DRI->auxPitchBits = info->auxPitchBits; - - pI810DRI->logTextureGranularity = info->logTextureGranularity; - pI810DRI->textureOffset = info->TexMem.Start; - - pI810DRI->ringOffset = info->LpRing.mem.Start; - pI810DRI->ringSize = info->LpRing.mem.Size; - - // drmBufs looks unused - pI810DRI->irq = info->irq; - pI810DRI->sarea_priv_offset = sizeof(drm_sarea_t); - - /* Don't release the lock now - let the VT switch handler do it. */ - 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 i810ValidateMode(). - */ -static int i810ValidateMode( const DRIDriverContext *ctx ) -{ - unsigned char *I810MMIO = ctx->MMIOAddress; - I810Ptr info = ctx->driverPrivate; - - 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 i810PostValidateMode( const DRIDriverContext *ctx ) -{ - unsigned char *I810MMIO = ctx->MMIOAddress; - I810Ptr info = ctx->driverPrivate; - - 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 i810InitFBDev( DRIDriverContext *ctx ) -{ - I810Ptr 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; - - if (!I810ScreenInit( ctx, info )) - 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 i810HaltFBDev( DRIDriverContext *ctx ) -{ - 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 = { - i810ValidateMode, - i810PostValidateMode, - i810InitFBDev, - i810HaltFBDev, - I810EngineShutdown, - I810EngineRestore, -#ifndef _EMBEDDED - 0, -#else - i810NotifyFocus, -#endif -}; |