/* * 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 * Gareth Hughes */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "xf86.h" #include "xf86_OSproc.h" #include "xf86Pci.h" #include "miline.h" #include #include #include "mga_reg.h" #include "mga.h" #include "mga_macros.h" #include "mga_dri.h" #include "mga_sarea.h" #include "mga_drm.h" #define _XF86DRI_SERVER_ #include "sarea.h" #include "mga_reg.h" #include "mga.h" #include "mga_macros.h" #include "mga_dri.h" #define DRM_MGA_IDLE_RETRY 2048 static char MGAKernelDriverName[] = "mga"; static char MGAClientDriverName[] = "mga"; static Bool MGACreateContext( ScreenPtr pScreen, VisualPtr visual, drm_context_t hwContext, void *pVisualConfigPriv, DRIContextType contextStore ) { /* Nothing yet */ return TRUE; } static void MGADestroyContext( ScreenPtr pScreen, drm_context_t hwContext, DRIContextType contextStore ) { /* Nothing yet */ } /* Quiescence, locking */ #define MGA_TIMEOUT 2048 static void MGAWaitForIdleDMA( ScrnInfoPtr pScrn ) { MGAPtr pMga = MGAPTR(pScrn); drm_lock_t lock; int ret; int i = 0; memset( &lock, 0, sizeof(drm_lock_t) ); for (;;) { do { /* first ask for quiescent and flush */ lock.flags = DRM_LOCK_QUIESCENT | DRM_LOCK_FLUSH; do { ret = drmCommandWrite( pMga->drmFD, DRM_MGA_FLUSH, &lock, sizeof( drm_lock_t ) ); } 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( pMga->drmFD, DRM_MGA_FLUSH, &lock, sizeof( drm_lock_t ) ); } while ( ret == -EBUSY && i++ < DRM_MGA_IDLE_RETRY ); } } while ( ( ret == -EBUSY ) && ( i++ < MGA_TIMEOUT ) ); if ( ret == 0 ) return; xf86DrvMsg( pScrn->scrnIndex, X_ERROR, "[dri] Idle timed out, resetting engine...\n" ); drmCommandNone( pMga->drmFD, DRM_MGA_RESET ); } } void MGAGetQuiescence( ScrnInfoPtr pScrn ) { MGAPtr pMga = MGAPTR(pScrn); pMga->haveQuiescense = 1; if ( pMga->directRenderingEnabled ) { MGAWaitForIdleDMA( pScrn ); /* FIXME what about EXA? */ } } void MGAGetQuiescenceShared( ScrnInfoPtr pScrn ) { MGAPtr pMga = MGAPTR(pScrn); MGAEntPtr pMGAEnt = pMga->entityPrivate; MGAPtr pMGA2 = MGAPTR(pMGAEnt->pScrn_2); pMga = MGAPTR(pMGAEnt->pScrn_1); pMga->haveQuiescense = 1; pMGA2->haveQuiescense = 1; if ( pMGAEnt->directRenderingEnabled ) { MGAWaitForIdleDMA( pMGAEnt->pScrn_1 ); /* FIXME what about EXA? */ xf86SetLastScrnFlag( pScrn->entityList[0], pScrn->scrnIndex ); } } static void MGASwapContext( ScreenPtr pScreen ) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); MGAPtr pMga = MGAPTR(pScrn); /* Arrange for dma_quiescence and xaa sync to be called as * appropriate. */ pMga->haveQuiescense = 0; MGA_MARK_SYNC(pMga, pScrn); } static void MGASwapContextShared( ScreenPtr pScreen ) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); MGAPtr pMga = MGAPTR(pScrn); MGAEntPtr pMGAEnt = pMga->entityPrivate; MGAPtr pMGA2 = MGAPTR(pMGAEnt->pScrn_2); pMga = MGAPTR(pMGAEnt->pScrn_1); pMga->haveQuiescense = pMGA2->haveQuiescense = 0; MGA_MARK_SYNC(pMga, pScrn); MGA_MARK_SYNC(pMGA2, pMGAEnt->pScrn_2); } /* FIXME: This comment is out of date, since we aren't overriding * Block/Wakeuphandler anymore. * * * This is really only called from validate/postvalidate as we * override the dri lock/unlock. Want to remove validate/postvalidate * processing, but need to remove all client-side use of drawable lock * first (otherwise there is no one recover when a client dies holding * the drawable lock). * * What does this mean? * * - The above code gets executed every time a * window changes shape or the focus changes, which isn't really * optimal. * - The X server therefore believes it needs to do an XAA sync * *and* a dma quiescense ioctl each time that happens. * * We don't wrap wakeuphandler any longer, so at least we can say that * this doesn't happen *every time the mouse moves*... */ static void MGADRISwapContext( ScreenPtr pScreen, DRISyncType syncType, DRIContextType oldContextType, void *oldContext, DRIContextType newContextType, void *newContext ) { if ( syncType == DRI_3D_SYNC && oldContextType == DRI_2D_CONTEXT && newContextType == DRI_2D_CONTEXT ) { MGASwapContext( pScreen ); } } static void MGADRISwapContextShared( ScreenPtr pScreen, DRISyncType syncType, DRIContextType oldContextType, void *oldContext, DRIContextType newContextType, void *newContext ) { if ( syncType == DRI_3D_SYNC && oldContextType == DRI_2D_CONTEXT && newContextType == DRI_2D_CONTEXT ) { MGASwapContextShared( pScreen ); } } void MGASelectBuffer( ScrnInfoPtr pScrn, int which ) { MGAPtr pMga = MGAPTR(pScrn); MGADRIPtr pMGADRI = (MGADRIPtr)pMga->pDRIInfo->devPrivate; switch ( which ) { case MGA_BACK: OUTREG( MGAREG_DSTORG, pMGADRI->backOffset ); OUTREG( MGAREG_SRCORG, pMGADRI->backOffset ); break; case MGA_DEPTH: OUTREG( MGAREG_DSTORG, pMGADRI->depthOffset ); OUTREG( MGAREG_SRCORG, pMGADRI->depthOffset ); break; default: case MGA_FRONT: OUTREG( MGAREG_DSTORG, pMGADRI->frontOffset ); OUTREG( MGAREG_SRCORG, pMGADRI->frontOffset ); break; } } static unsigned int mylog2( unsigned int n ) { unsigned int log2 = 1; while ( n > 1 ) n >>= 1, log2++; return log2; } /** * Initialize DMA and secondary texture memory * * \todo * The sizes used for the primary DMA buffer and the bin size and count for * the secondary DMA buffers should be configurable from the xorg.conf. * * \todo * This routine should use \c mga_bios_values::host_interface to limit the * AGP mode. It the card is PCI, \c MGARec::agpSize should be forced to 0. */ static Bool MGADRIBootstrapDMA(ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); MGAPtr pMga = MGAPTR(pScrn); MGADRIServerPrivatePtr pMGADRIServer = pMga->DRIServerInfo; int ret; int requested_agp_mode; int count; if(pMga->agpSize < 12)pMga->agpSize = 12; if(pMga->agpSize > 64)pMga->agpSize = 64; /* cap */ requested_agp_mode = 0; switch ( pMga->agpMode ) { case 4: requested_agp_mode |= MGA_AGP_4X_MODE; case 2: requested_agp_mode |= MGA_AGP_2X_MODE; case 1: default: requested_agp_mode |= MGA_AGP_1X_MODE; } if ( (pMGADRIServer->drm_version_minor >= 2) && !pMga->useOldDmaInit ) { drm_mga_dma_bootstrap_t dma_bs; (void) memset( & dma_bs, 0, sizeof( dma_bs ) ); dma_bs.primary_size = 1024 * 1024; dma_bs.secondary_bin_count = MGA_NUM_BUFFERS; dma_bs.secondary_bin_size = MGA_BUFFER_SIZE; dma_bs.agp_size = pMga->agpSize; dma_bs.agp_mode = (pMga->forcePciDma) ? 0 : requested_agp_mode; ret = drmCommandWriteRead( pMga->drmFD, DRM_MGA_DMA_BOOTSTRAP, & dma_bs, sizeof( dma_bs ) ); if ( ret ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[drm] Could not boot-strap DMA (%d)\n", ret ); return FALSE; } pMga->agpMode = dma_bs.agp_mode; pMGADRIServer->agp.size = dma_bs.agp_size; pMGADRIServer->agpTextures.handle = dma_bs.texture_handle; pMGADRIServer->agpTextures.size = dma_bs.texture_size; } else { unsigned long mode; unsigned int vendor, device; int i; if ( pMga->forcePciDma ) { const char * const msg = (pMGADRIServer->drm_version_minor < 2) ? "DRM version is too old (3.2 or later required)" : "old DMA init path was requested"; xf86DrvMsg( pScreen->myNum, X_WARNING, "[agp] Cannot force PCI DMA because %s\n", msg ); } if ( drmAgpAcquire( pMga->drmFD ) < 0 ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[agp] AGP not available\n" ); return FALSE; } mode = drmAgpGetMode( pMga->drmFD ); /* Default mode */ vendor = drmAgpVendorId( pMga->drmFD ); device = drmAgpDeviceId( pMga->drmFD ); mode = (mode & ~MGA_AGP_MODE_MASK) | requested_agp_mode; xf86DrvMsg( pScreen->myNum, X_INFO, "[agp] Mode 0x%08lx [AGP 0x%04x/0x%04x; Card 0x%04x/0x%04x]\n", mode, vendor, device, VENDOR_ID(pMga->PciInfo), DEVICE_ID(pMga->PciInfo)); if ( drmAgpEnable( pMga->drmFD, mode ) < 0 ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[agp] AGP not enabled\n" ); drmAgpRelease( pMga->drmFD ); return FALSE; } if ( pMga->Chipset == PCI_CHIP_MGAG200 ) { switch ( pMga->agpMode ) { case 2: xf86DrvMsg( pScreen->myNum, X_INFO, "[drm] Enabling AGP 2x PLL encoding\n" ); OUTREG( MGAREG_AGP_PLL, MGA_AGP2XPLL_ENABLE ); break; case 1: default: xf86DrvMsg( pScreen->myNum, X_INFO, "[drm] Disabling AGP 2x PLL encoding\n" ); OUTREG( MGAREG_AGP_PLL, MGA_AGP2XPLL_DISABLE ); pMga->agpMode = 1; break; } } pMGADRIServer->agp.size = pMga->agpSize * 1024 * 1024; pMGADRIServer->warp.offset = 0; pMGADRIServer->warp.size = MGA_WARP_UCODE_SIZE; pMGADRIServer->primary.offset = (pMGADRIServer->warp.offset + pMGADRIServer->warp.size); pMGADRIServer->primary.size = 1024 * 1024; pMGADRIServer->buffers.offset = (pMGADRIServer->primary.offset + pMGADRIServer->primary.size); pMGADRIServer->buffers.size = MGA_NUM_BUFFERS * MGA_BUFFER_SIZE; pMGADRIServer->agpTextures.offset = (pMGADRIServer->buffers.offset + pMGADRIServer->buffers.size); pMGADRIServer->agpTextures.size = (pMGADRIServer->agp.size - pMGADRIServer->agpTextures.offset); ret = drmAgpAlloc( pMga->drmFD, pMGADRIServer->agp.size, 0, NULL, &pMGADRIServer->agp.handle ); if ( ret < 0 ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[agp] Out of memory (%d)\n", ret ); drmAgpRelease( pMga->drmFD ); return FALSE; } xf86DrvMsg( pScreen->myNum, X_INFO, "[agp] %d kB allocated with handle 0x%08x\n", pMGADRIServer->agp.size/1024, (unsigned int) pMGADRIServer->agp.handle ); if ( drmAgpBind( pMga->drmFD, pMGADRIServer->agp.handle, 0 ) < 0 ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[agp] Could not bind memory\n" ); drmAgpFree( pMga->drmFD, pMGADRIServer->agp.handle ); drmAgpRelease( pMga->drmFD ); return FALSE; } /* WARP microcode space */ if ( drmAddMap( pMga->drmFD, pMGADRIServer->warp.offset, pMGADRIServer->warp.size, DRM_AGP, DRM_READ_ONLY, &pMGADRIServer->warp.handle ) < 0 ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[agp] Could not add WARP microcode mapping\n" ); return FALSE; } xf86DrvMsg( pScreen->myNum, X_INFO, "[agp] WARP microcode handle = 0x%08x\n", (unsigned int) pMGADRIServer->warp.handle ); /* Primary DMA space */ if ( drmAddMap( pMga->drmFD, pMGADRIServer->primary.offset, pMGADRIServer->primary.size, DRM_AGP, DRM_READ_ONLY, &pMGADRIServer->primary.handle ) < 0 ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[agp] Could not add primary DMA mapping\n" ); return FALSE; } xf86DrvMsg( pScreen->myNum, X_INFO, "[agp] Primary DMA handle = 0x%08x\n", (unsigned int) pMGADRIServer->primary.handle ); /* DMA buffers */ if ( drmAddMap( pMga->drmFD, pMGADRIServer->buffers.offset, pMGADRIServer->buffers.size, DRM_AGP, 0, &pMGADRIServer->buffers.handle ) < 0 ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[agp] Could not add DMA buffers mapping\n" ); return FALSE; } xf86DrvMsg( pScreen->myNum, X_INFO, "[agp] DMA buffers handle = 0x%08x\n", (unsigned int) pMGADRIServer->buffers.handle ); count = drmAddBufs( pMga->drmFD, MGA_NUM_BUFFERS, MGA_BUFFER_SIZE, DRM_AGP_BUFFER, pMGADRIServer->buffers.offset ); if ( count <= 0 ) { xf86DrvMsg( pScrn->scrnIndex, X_INFO, "[drm] failure adding %d %d byte DMA buffers\n", MGA_NUM_BUFFERS, MGA_BUFFER_SIZE ); return FALSE; } xf86DrvMsg( pScreen->myNum, X_INFO, "[drm] Added %d %d byte DMA buffers\n", count, MGA_BUFFER_SIZE ); i = mylog2(pMGADRIServer->agpTextures.size / MGA_NR_TEX_REGIONS); if(i < MGA_LOG_MIN_TEX_REGION_SIZE) i = MGA_LOG_MIN_TEX_REGION_SIZE; pMGADRIServer->agpTextures.size = (pMGADRIServer->agpTextures.size >> i) << i; if ( drmAddMap( pMga->drmFD, pMGADRIServer->agpTextures.offset, pMGADRIServer->agpTextures.size, DRM_AGP, 0, &pMGADRIServer->agpTextures.handle ) < 0 ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[agp] Could not add agpTexture mapping\n" ); return FALSE; } xf86DrvMsg( pScreen->myNum, X_INFO, "[agp] agpTexture handle = 0x%08x\n", (unsigned int) pMGADRIServer->agpTextures.handle ); xf86DrvMsg( pScreen->myNum, X_INFO, "[agp] agpTexture size: %d kb\n", pMGADRIServer->agpTextures.size/1024 ); pMGADRIServer->registers.size = MGAIOMAPSIZE; if ( drmAddMap( pMga->drmFD, (drm_handle_t) MGA_IO_ADDRESS(pMga), pMGADRIServer->registers.size, DRM_REGISTERS, DRM_READ_ONLY, &pMGADRIServer->registers.handle ) < 0 ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[drm] Could not add MMIO registers mapping\n" ); return FALSE; } xf86DrvMsg( pScreen->myNum, X_INFO, "[drm] Registers handle = 0x%08x\n", (unsigned int) pMGADRIServer->registers.handle ); pMGADRIServer->status.size = SAREA_MAX; if ( drmAddMap( pMga->drmFD, 0, pMGADRIServer->status.size, DRM_SHM, DRM_READ_ONLY | DRM_LOCKED | DRM_KERNEL, &pMGADRIServer->status.handle ) < 0 ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[drm] Could not add status page mapping\n" ); return FALSE; } xf86DrvMsg( pScreen->myNum, X_INFO, "[drm] Status handle = 0x%08x\n", (unsigned int) pMGADRIServer->status.handle ); } return TRUE; } static Bool MGADRIKernelInit( ScreenPtr pScreen ) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); MGAPtr pMga = MGAPTR(pScrn); MGADRIServerPrivatePtr pMGADRIServer = pMga->DRIServerInfo; drm_mga_init_t init; int ret; if (!pMga->chip_attribs->dri_capable) { return FALSE; } memset( &init, 0, sizeof(drm_mga_init_t) ); init.func = MGA_INIT_DMA; init.sarea_priv_offset = sizeof(XF86DRISAREARec); init.chipset = pMga->chip_attribs->dri_chipset; init.sgram = !pMga->HasSDRAM; init.maccess = pMga->MAccess; init.fb_cpp = pScrn->bitsPerPixel / 8; init.front_offset = pMGADRIServer->frontOffset; init.front_pitch = pMGADRIServer->frontPitch / init.fb_cpp; init.back_offset = pMGADRIServer->backOffset; init.back_pitch = pMGADRIServer->backPitch / init.fb_cpp; init.depth_cpp = pScrn->bitsPerPixel / 8; init.depth_offset = pMGADRIServer->depthOffset; init.depth_pitch = pMGADRIServer->depthPitch / init.depth_cpp; init.texture_offset[0] = pMGADRIServer->textureOffset; init.texture_size[0] = pMGADRIServer->textureSize; init.fb_offset = pMGADRIServer->fb.handle; init.mmio_offset = pMGADRIServer->registers.handle; init.status_offset = pMGADRIServer->status.handle; init.warp_offset = pMGADRIServer->warp.handle; init.primary_offset = pMGADRIServer->primary.handle; init.buffers_offset = pMGADRIServer->buffers.handle; init.texture_offset[1] = pMGADRIServer->agpTextures.handle; init.texture_size[1] = pMGADRIServer->agpTextures.size; ret = drmCommandWrite( pMga->drmFD, DRM_MGA_INIT, &init, sizeof(drm_mga_init_t)); if ( ret < 0 ) { xf86DrvMsg( pScrn->scrnIndex, X_ERROR, "[drm] Failed to initialize DMA! (%d)\n", ret ); return FALSE; } return TRUE; } /* FIXME: This function uses the DRM to get the IRQ, but the pci_device * FIXME: structure (PciInfo) already has that information. */ static void MGADRIIrqInit(MGAPtr pMga, ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); if (!pMga->irq) { pMga->irq = drmGetInterruptFromBusID(pMga->drmFD, #ifdef XSERVER_LIBPCIACCESS ((pMga->PciInfo->domain << 8) | pMga->PciInfo->bus), pMga->PciInfo->dev, pMga->PciInfo->func #else ((pciConfigPtr)pMga->PciInfo->thisCard)->busnum, ((pciConfigPtr)pMga->PciInfo->thisCard)->devnum, ((pciConfigPtr)pMga->PciInfo->thisCard)->funcnum #endif ); if((drmCtlInstHandler(pMga->drmFD, pMga->irq)) != 0) { xf86DrvMsg(pScrn->scrnIndex, X_INFO, "[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) xf86DrvMsg(pScrn->scrnIndex, X_INFO, "[drm] dma control initialized, using IRQ %d\n", pMga->irq); } static Bool MGADRIBuffersInit( ScreenPtr pScreen ) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); MGAPtr pMga = MGAPTR(pScrn); MGADRIServerPrivatePtr pMGADRIServer = pMga->DRIServerInfo; pMGADRIServer->drmBuffers = drmMapBufs( pMga->drmFD ); if ( !pMGADRIServer->drmBuffers ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[drm] Failed to map DMA buffers list\n" ); return FALSE; } xf86DrvMsg( pScreen->myNum, X_INFO, "[drm] Mapped %d DMA buffers\n", pMGADRIServer->drmBuffers->count ); return TRUE; } static void MGADRIInitBuffersEXA(WindowPtr pWin, RegionPtr prgn, CARD32 index) { /* FIXME */ } static void MGADRIMoveBuffersEXA(WindowPtr pParent, DDXPointRec ptOldOrg, RegionPtr prgnSrc, CARD32 index) { /* FIXME */ } Bool MGADRIScreenInit( ScreenPtr pScreen ) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); MGAPtr pMga = MGAPTR(pScrn); DRIInfoPtr pDRIInfo; MGADRIPtr pMGADRI; MGADRIServerPrivatePtr pMGADRIServer; if (!pMga->chip_attribs->dri_capable) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "[drm] Direct rendering only supported with G200/G400/G450/G550.\n"); return FALSE; } /* Check that the DRI, and DRM modules have been loaded by testing * for canonical symbols in each module. */ if ( !xf86LoaderCheckSymbol( "drmAvailable" ) ) return FALSE; if ( !xf86LoaderCheckSymbol( "DRIQueryVersion" ) ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[dri] MGADRIScreenInit failed (libdri.a too old)\n" ); return FALSE; } /* Check the DRI version */ { int major, minor, patch; DRIQueryVersion( &major, &minor, &patch ); if ( major != DRIINFO_MAJOR_VERSION || minor < DRIINFO_MINOR_VERSION ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[dri] MGADRIScreenInit failed because of a version mismatch.\n" "[dri] libdri version = %d.%d.%d but version %d.%d.x is needed.\n" "[dri] Disabling the DRI.\n", major, minor, patch, DRIINFO_MAJOR_VERSION, DRIINFO_MINOR_VERSION ); return FALSE; } } xf86DrvMsg( pScreen->myNum, X_INFO, "[drm] bpp: %d depth: %d\n", pScrn->bitsPerPixel, pScrn->depth ); if ( (pScrn->bitsPerPixel / 8) != 2 && (pScrn->bitsPerPixel / 8) != 4 ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[dri] Direct rendering only supported in 16 and 32 bpp modes\n" ); return FALSE; } pDRIInfo = DRICreateInfoRec(); if ( !pDRIInfo ) { xf86DrvMsg( pScreen->myNum, X_ERROR, "[dri] DRICreateInfoRec() failed\n" ); return FALSE; } pMga->pDRIInfo = pDRIInfo; pDRIInfo->drmDriverName = MGAKernelDriverName; pDRIInfo->clientDriverName = MGAClientDriverName; if (xf86LoaderCheckSymbol("DRICreatePCIBusID")) { pDRIInfo->busIdString = DRICreatePCIBusID(pMga->PciInfo); } else { pDRIInfo->busIdString = malloc(64); sprintf( pDRIInfo->busIdString, "PCI:%d:%d:%d", #ifdef XSERVER_LIBPCIACCESS ((pMga->PciInfo->domain << 8) | pMga->PciInfo->bus), pMga->PciInfo->dev, pMga->PciInfo->func #else ((pciConfigPtr)pMga->PciInfo->thisCard)->busnum, ((pciConfigPtr)pMga->PciInfo->thisCard)->devnum, ((pciConfigPtr)pMga->PciInfo->thisCard)->funcnum #endif ); } pDRIInfo->ddxDriverMajorVersion = PACKAGE_VERSION_MAJOR; pDRIInfo->ddxDriverMinorVersion = PACKAGE_VERSION_MINOR; pDRIInfo->ddxDriverPatchVersion = PACKAGE_VERSION_PATCHLEVEL; pDRIInfo->frameBufferPhysicalAddress = (void *) pMga->FbAddress; pDRIInfo->frameBufferSize = pMga->FbMapSize; pDRIInfo->frameBufferStride = pScrn->displayWidth*(pScrn->bitsPerPixel/8); pDRIInfo->ddxDrawableTableEntry = MGA_MAX_DRAWABLES; pDRIInfo->createDummyCtx = TRUE; pDRIInfo->createDummyCtxPriv = FALSE; if ( SAREA_MAX_DRAWABLES < MGA_MAX_DRAWABLES ) { pDRIInfo->maxDrawableTableEntry = SAREA_MAX_DRAWABLES; } else { pDRIInfo->maxDrawableTableEntry = MGA_MAX_DRAWABLES; } /* For now the mapping works by using a fixed size defined * in the SAREA header. */ if ( sizeof(XF86DRISAREARec) + sizeof(MGASAREAPrivRec) > SAREA_MAX ) { xf86DrvMsg( pScrn->scrnIndex, X_ERROR, "[drm] Data does not fit in SAREA\n" ); return FALSE; } xf86DrvMsg( pScrn->scrnIndex, X_INFO, "[drm] Sarea %d+%d: %d\n", (int)sizeof(XF86DRISAREARec), (int)sizeof(MGASAREAPrivRec), (int)sizeof(XF86DRISAREARec) + (int)sizeof(MGASAREAPrivRec) ); pDRIInfo->SAREASize = SAREA_MAX; pMGADRI = (MGADRIPtr)calloc( 1, sizeof(MGADRIRec) ); if ( !pMGADRI ) { DRIDestroyInfoRec( pMga->pDRIInfo ); pMga->pDRIInfo = 0; xf86DrvMsg( pScrn->scrnIndex, X_ERROR, "[drm] Failed to allocate memory for private record\n" ); return FALSE; } pMGADRIServer = (MGADRIServerPrivatePtr) calloc( 1, sizeof(MGADRIServerPrivateRec) ); if ( !pMGADRIServer ) { free( pMGADRI ); DRIDestroyInfoRec( pMga->pDRIInfo ); pMga->pDRIInfo = 0; xf86DrvMsg( pScrn->scrnIndex, X_ERROR, "[drm] Failed to allocate memory for private record\n" ); return FALSE; } pMga->DRIServerInfo = pMGADRIServer; pDRIInfo->devPrivate = pMGADRI; pDRIInfo->devPrivateSize = sizeof(MGADRIRec); pDRIInfo->contextSize = sizeof(MGADRIContextRec); pDRIInfo->CreateContext = MGACreateContext; pDRIInfo->DestroyContext = MGADestroyContext; if ( xf86IsEntityShared( pScrn->entityList[0] ) && pMga->DualHeadEnabled) { pDRIInfo->SwapContext = MGADRISwapContextShared; } else { pDRIInfo->SwapContext = MGADRISwapContext; } pDRIInfo->InitBuffers = MGADRIInitBuffersEXA; pDRIInfo->MoveBuffers = MGADRIMoveBuffersEXA; pDRIInfo->bufferRequests = DRI_ALL_WINDOWS; if ( !DRIScreenInit( pScreen, pDRIInfo, &pMga->drmFD ) ) { free( pMGADRIServer ); pMga->DRIServerInfo = 0; free( pDRIInfo->devPrivate ); pDRIInfo->devPrivate = 0; DRIDestroyInfoRec( pMga->pDRIInfo ); pMga->pDRIInfo = 0; xf86DrvMsg( pScreen->myNum, X_ERROR, "[drm] DRIScreenInit failed. Disabling DRI.\n" ); return FALSE; } /* Check the DRM versioning */ { drmVersionPtr version; /* Check the DRM lib version. drmGetLibVersion was not supported in version 1.0, so check for symbol first to avoid possible crash or hang. */ if (xf86LoaderCheckSymbol("drmGetLibVersion")) { version = drmGetLibVersion(pMga->drmFD); } else { /* drmlib version 1.0.0 didn't have the drmGetLibVersion entry point. Fake it by allocating a version record via drmGetVersion and changing it to version 1.0.0 */ version = drmGetVersion(pMga->drmFD); version->version_major = 1; version->version_minor = 0; version->version_patchlevel = 0; } if (version) { if (version->version_major != 1 || version->version_minor < 1) { /* incompatible drm library version */ xf86DrvMsg(pScreen->myNum, X_ERROR, "[dri] MGADRIScreenInit failed because of a version mismatch.\n" "[dri] libdrm.a module version is %d.%d.%d but version 1.1.x is needed.\n" "[dri] Disabling DRI.\n", version->version_major, version->version_minor, version->version_patchlevel); drmFreeVersion(version); MGADRICloseScreen( pScreen ); /* FIXME: ??? */ return FALSE; } drmFreeVersion(version); } /* Check the MGA DRM version */ version = drmGetVersion(pMga->drmFD); if ( version ) { if ( version->version_major != 3 || version->version_minor < 0 ) { /* incompatible drm version */ xf86DrvMsg( pScreen->myNum, X_ERROR, "[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 ); MGADRICloseScreen( pScreen ); /* FIXME: ??? */ return FALSE; } pMGADRIServer->drm_version_major = version->version_major; pMGADRIServer->drm_version_minor = version->version_minor; drmFreeVersion( version ); } } if ( (pMga->bios.host_interface == MGA_HOST_PCI) && ((pMGADRIServer->drm_version_minor < 2) || pMga->useOldDmaInit) ) { /* PCI cards are supported if the DRM version is at least 3.2 and the * user has not explicitly disabled the new DMA init path (i.e., to * support old version of the client-side driver that don't use the * new features of the 3.2 DRM). */ xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "[drm] Direct rendering on PCI cards requires DRM version 3.2 or higher\n"); xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "[drm] and a recent client-side driver. Also make sure that 'OldDmaInit'\n"); xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "[drm] is not selected in xorg.conf.'\n"); return FALSE; } if ( !MGADRIBootstrapDMA( pScreen ) ) { DRICloseScreen( pScreen ); return FALSE; } { void *scratch_ptr; int scratch_int; DRIGetDeviceInfo(pScreen, &pMGADRIServer->fb.handle, &scratch_int, &scratch_int, &scratch_int, &scratch_int, &scratch_ptr); } xf86DrvMsg( pScrn->scrnIndex, X_INFO, "[dri] visual configs initialized\n" ); return TRUE; } Bool MGADRIFinishScreenInit( ScreenPtr pScreen ) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); MGAPtr pMga = MGAPTR(pScrn); MGADRIServerPrivatePtr pMGADRIServer = pMga->DRIServerInfo; MGADRIPtr pMGADRI; int i; if ( !pMga->pDRIInfo ) return FALSE; pMGADRI = (MGADRIPtr)pMga->pDRIInfo->devPrivate; pMga->pDRIInfo->driverSwapMethod = DRI_HIDE_X_CONTEXT; /* NOTE: DRIFinishScreenInit must be called before *DRIKernelInit * because *DRIKernelInit requires that the hardware lock is held by * the X server, and the first time the hardware lock is grabbed is * in DRIFinishScreenInit. */ if ( !DRIFinishScreenInit( pScreen ) ) { MGADRICloseScreen( pScreen ); return FALSE; } if ( !MGADRIKernelInit( pScreen ) ) { MGADRICloseScreen( pScreen ); return FALSE; } if ( !MGADRIBuffersInit( pScreen ) ) { MGADRICloseScreen( pScreen ); return FALSE; } MGADRIIrqInit(pMga, pScreen); pMGADRI->chipset = pMga->chip_attribs->dri_chipset; pMGADRI->width = pScrn->virtualX; pMGADRI->height = pScrn->virtualY; pMGADRI->cpp = pScrn->bitsPerPixel / 8; pMGADRI->agpMode = pMga->agpMode; pMGADRI->frontOffset = pMGADRIServer->frontOffset; pMGADRI->frontPitch = pMGADRIServer->frontPitch; pMGADRI->backOffset = pMGADRIServer->backOffset; pMGADRI->backPitch = pMGADRIServer->backPitch; pMGADRI->depthOffset = pMGADRIServer->depthOffset; pMGADRI->depthPitch = pMGADRIServer->depthPitch; pMGADRI->textureOffset = pMGADRIServer->textureOffset; pMGADRI->textureSize = pMGADRIServer->textureSize; pMGADRI->agpTextureOffset = (unsigned int)pMGADRIServer->agpTextures.handle; pMGADRI->agpTextureSize = (unsigned int)pMGADRIServer->agpTextures.size; pMGADRI->sarea_priv_offset = sizeof(XF86DRISAREARec); /* Newer versions of the client-side driver do not need these if the * kernel version is high enough to support interrupt based waiting. */ pMGADRI->registers.handle = pMGADRIServer->registers.handle; pMGADRI->registers.size = pMGADRIServer->registers.size; pMGADRI->primary.handle = pMGADRIServer->primary.handle; pMGADRI->primary.size = pMGADRIServer->primary.size; /* These are no longer used by the client-side DRI driver. They should * be removed in the next release (i.e., 6.9 / 7.0). */ pMGADRI->status.handle = pMGADRIServer->status.handle; pMGADRI->status.size = pMGADRIServer->status.size; pMGADRI->buffers.handle = pMGADRIServer->buffers.handle; pMGADRI->buffers.size = pMGADRIServer->buffers.size; i = mylog2( pMGADRI->textureSize / MGA_NR_TEX_REGIONS ); if ( i < MGA_LOG_MIN_TEX_REGION_SIZE ) i = MGA_LOG_MIN_TEX_REGION_SIZE; pMGADRI->logTextureGranularity = i; pMGADRI->textureSize = (pMGADRI->textureSize >> i) << i; /* truncate */ i = mylog2( pMGADRIServer->agpTextures.size / MGA_NR_TEX_REGIONS ); if ( i < MGA_LOG_MIN_TEX_REGION_SIZE ) i = MGA_LOG_MIN_TEX_REGION_SIZE; pMGADRI->logAgpTextureGranularity = i; return TRUE; } void MGADRICloseScreen( ScreenPtr pScreen ) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); MGAPtr pMga = MGAPTR(pScrn); MGADRIServerPrivatePtr pMGADRIServer = pMga->DRIServerInfo; drm_mga_init_t init; if ( pMGADRIServer->drmBuffers ) { drmUnmapBufs( pMGADRIServer->drmBuffers ); pMGADRIServer->drmBuffers = NULL; } if (pMga->irq) { drmCtlUninstHandler(pMga->drmFD); pMga->irq = 0; pMga->reg_ien = 0; } /* Cleanup DMA */ memset( &init, 0, sizeof(drm_mga_init_t) ); init.func = MGA_CLEANUP_DMA; drmCommandWrite( pMga->drmFD, DRM_MGA_INIT, &init, sizeof(drm_mga_init_t) ); if ( pMGADRIServer->agp.handle != DRM_AGP_NO_HANDLE ) { drmAgpUnbind( pMga->drmFD, pMGADRIServer->agp.handle ); drmAgpFree( pMga->drmFD, pMGADRIServer->agp.handle ); pMGADRIServer->agp.handle = DRM_AGP_NO_HANDLE; drmAgpRelease( pMga->drmFD ); } DRICloseScreen( pScreen ); if ( pMga->pDRIInfo ) { free(pMga->pDRIInfo->devPrivate); pMga->pDRIInfo->devPrivate = 0; DRIDestroyInfoRec( pMga->pDRIInfo ); pMga->pDRIInfo = 0; } free(pMga->DRIServerInfo); pMga->DRIServerInfo = 0; }