/* * Copyright 2005 Eric Anholt * Copyright 2005 Benjamin Herrenschmidt * 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 * THE AUTHORS OR COPYRIGHT HOLDERS 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: * Eric Anholt <anholt@FreeBSD.org> * Zack Rusin <zrusin@trolltech.com> * Benjamin Herrenschmidt <benh@kernel.crashing.org> * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "radeon.h" #include "radeon_reg.h" #ifdef XF86DRI #include "radeon_drm.h" #endif #include "radeon_macros.h" #include "radeon_probe.h" #include "radeon_version.h" #include "xf86.h" /***********************************************************************/ #define RINFO_FROM_SCREEN(pScr) ScrnInfoPtr pScrn = xf86Screens[pScr->myNum]; \ RADEONInfoPtr info = RADEONPTR(pScrn) #define RADEON_TRACE_FALL 0 #define RADEON_TRACE_DRAW 0 #if RADEON_TRACE_FALL #define RADEON_FALLBACK(x) \ do { \ ErrorF("%s: ", __FUNCTION__); \ ErrorF x; \ return FALSE; \ } while (0) #else #define RADEON_FALLBACK(x) return FALSE #endif #if RADEON_TRACE_DRAW #define TRACE do { ErrorF("TRACE: %s\n", __FUNCTION__); } while(0) #else #define TRACE #endif static struct { int rop; int pattern; } RADEON_ROP[] = { { RADEON_ROP3_ZERO, RADEON_ROP3_ZERO }, /* GXclear */ { RADEON_ROP3_DSa, RADEON_ROP3_DPa }, /* Gxand */ { RADEON_ROP3_SDna, RADEON_ROP3_PDna }, /* GXandReverse */ { RADEON_ROP3_S, RADEON_ROP3_P }, /* GXcopy */ { RADEON_ROP3_DSna, RADEON_ROP3_DPna }, /* GXandInverted */ { RADEON_ROP3_D, RADEON_ROP3_D }, /* GXnoop */ { RADEON_ROP3_DSx, RADEON_ROP3_DPx }, /* GXxor */ { RADEON_ROP3_DSo, RADEON_ROP3_DPo }, /* GXor */ { RADEON_ROP3_DSon, RADEON_ROP3_DPon }, /* GXnor */ { RADEON_ROP3_DSxn, RADEON_ROP3_PDxn }, /* GXequiv */ { RADEON_ROP3_Dn, RADEON_ROP3_Dn }, /* GXinvert */ { RADEON_ROP3_SDno, RADEON_ROP3_PDno }, /* GXorReverse */ { RADEON_ROP3_Sn, RADEON_ROP3_Pn }, /* GXcopyInverted */ { RADEON_ROP3_DSno, RADEON_ROP3_DPno }, /* GXorInverted */ { RADEON_ROP3_DSan, RADEON_ROP3_DPan }, /* GXnand */ { RADEON_ROP3_ONE, RADEON_ROP3_ONE } /* GXset */ }; /* Compute log base 2 of val. */ static __inline__ int RADEONLog2(int val) { int bits; #if (defined __i386__ || defined __x86_64__) && (defined __GNUC__) __asm volatile("bsrl %1, %0" : "=r" (bits) : "c" (val) ); return bits; #else for (bits = 0; val != 0; val >>= 1, ++bits) ; return bits - 1; #endif } static __inline__ uint32_t F_TO_DW(float val) { union { float f; uint32_t l; } tmp; tmp.f = val; return tmp.l; } /* Assumes that depth 15 and 16 can be used as depth 16, which is okay since we * require src and dest datatypes to be equal. */ Bool RADEONGetDatatypeBpp(int bpp, uint32_t *type) { switch (bpp) { case 8: *type = ATI_DATATYPE_CI8; return TRUE; case 16: *type = ATI_DATATYPE_RGB565; return TRUE; case 24: *type = ATI_DATATYPE_CI8; return TRUE; case 32: *type = ATI_DATATYPE_ARGB8888; return TRUE; default: RADEON_FALLBACK(("Unsupported bpp: %d\n", bpp)); return FALSE; } } static Bool RADEONPixmapIsColortiled(PixmapPtr pPix) { RINFO_FROM_SCREEN(pPix->drawable.pScreen); /* This doesn't account for the back buffer, which we may want to wrap in * a pixmap at some point for the purposes of DRI buffer moves. */ if (info->tilingEnabled && exaGetPixmapOffset(pPix) == 0) return TRUE; else return FALSE; } static Bool RADEONGetOffsetPitch(PixmapPtr pPix, int bpp, uint32_t *pitch_offset, unsigned int offset, unsigned int pitch) { RINFO_FROM_SCREEN(pPix->drawable.pScreen); if (pitch > 16320 || pitch % info->accel_state->exa->pixmapPitchAlign != 0) RADEON_FALLBACK(("Bad pitch 0x%08x\n", pitch)); if (offset % info->accel_state->exa->pixmapOffsetAlign != 0) RADEON_FALLBACK(("Bad offset 0x%08x\n", offset)); pitch = pitch >> 6; *pitch_offset = (pitch << 22) | (offset >> 10); /* If it's the front buffer, we've got to note that it's tiled? */ if (RADEONPixmapIsColortiled(pPix)) *pitch_offset |= RADEON_DST_TILE_MACRO; return TRUE; } Bool RADEONGetPixmapOffsetPitch(PixmapPtr pPix, uint32_t *pitch_offset) { RINFO_FROM_SCREEN(pPix->drawable.pScreen); uint32_t pitch, offset; int bpp; bpp = pPix->drawable.bitsPerPixel; if (bpp == 24) bpp = 8; offset = exaGetPixmapOffset(pPix) + info->fbLocation + pScrn->fbOffset; pitch = exaGetPixmapPitch(pPix); return RADEONGetOffsetPitch(pPix, bpp, pitch_offset, offset, pitch); } /* * Used for vblank render stalling. * Ideally we'd have one pixmap per crtc. * syncing per-blit is unrealistic so, * we sync to whichever crtc has a larger area. */ int RADEONBiggerCrtcArea(PixmapPtr pPix) { ScrnInfoPtr pScrn = xf86Screens[pPix->drawable.pScreen->myNum]; xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); int c, crtc_num = -1, area = 0; for (c = 0; c < xf86_config->num_crtc; c++) { xf86CrtcPtr crtc = xf86_config->crtc[c]; if (!crtc->enabled) continue; if ((crtc->mode.HDisplay * crtc->mode.VDisplay) > area) { area = crtc->mode.HDisplay * crtc->mode.VDisplay; crtc_num = c; } } return crtc_num; } #if X_BYTE_ORDER == X_BIG_ENDIAN static unsigned long swapper_surfaces[3]; static Bool RADEONPrepareAccess(PixmapPtr pPix, int index) { RINFO_FROM_SCREEN(pPix->drawable.pScreen); unsigned char *RADEONMMIO = info->MMIO; uint32_t offset = exaGetPixmapOffset(pPix); int bpp, soff; uint32_t size, flags; /* Front buffer is always set with proper swappers */ if (offset == 0) return TRUE; /* If same bpp as front buffer, just do nothing as the main * swappers will apply */ bpp = pPix->drawable.bitsPerPixel; if (bpp == pScrn->bitsPerPixel) return TRUE; /* We need to setup a separate swapper, let's request a * surface. We need to align the size first */ size = exaGetPixmapSize(pPix); size = (size + RADEON_BUFFER_ALIGN) & ~(RADEON_BUFFER_ALIGN); /* Set surface to tiling disabled with appropriate swapper */ switch (bpp) { case 16: flags = RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP; break; case 32: flags = RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP; break; default: flags = 0; } #if defined(XF86DRI) if (info->directRenderingEnabled && info->allowColorTiling) { struct drm_radeon_surface_alloc drmsurfalloc; int rc; drmsurfalloc.address = offset; drmsurfalloc.size = size; drmsurfalloc.flags = flags | 1; /* bogus pitch to please DRM */ rc = drmCommandWrite(info->dri->drmFD, DRM_RADEON_SURF_ALLOC, &drmsurfalloc, sizeof(drmsurfalloc)); if (rc < 0) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "drm: could not allocate surface for access" " swapper, err: %d!\n", rc); return FALSE; } swapper_surfaces[index] = offset; return TRUE; } #endif soff = (index + 1) * 0x10; OUTREG(RADEON_SURFACE0_INFO + soff, flags); OUTREG(RADEON_SURFACE0_LOWER_BOUND + soff, offset); OUTREG(RADEON_SURFACE0_UPPER_BOUND + soff, offset + size - 1); swapper_surfaces[index] = offset; return TRUE; } static void RADEONFinishAccess(PixmapPtr pPix, int index) { RINFO_FROM_SCREEN(pPix->drawable.pScreen); unsigned char *RADEONMMIO = info->MMIO; uint32_t offset = exaGetPixmapOffset(pPix); int soff; /* Front buffer is always set with proper swappers */ if (offset == 0) return; if (swapper_surfaces[index] == 0) return; #if defined(XF86DRI) if (info->directRenderingEnabled && info->allowColorTiling) { struct drm_radeon_surface_free drmsurffree; drmsurffree.address = offset; drmCommandWrite(info->dri->drmFD, DRM_RADEON_SURF_FREE, &drmsurffree, sizeof(drmsurffree)); swapper_surfaces[index] = 0; return; } #endif soff = (index + 1) * 0x10; OUTREG(RADEON_SURFACE0_INFO + soff, 0); OUTREG(RADEON_SURFACE0_LOWER_BOUND + soff, 0); OUTREG(RADEON_SURFACE0_UPPER_BOUND + soff, 0); swapper_surfaces[index] = 0; } #endif /* X_BYTE_ORDER == X_BIG_ENDIAN */ #define ENTER_DRAW(x) TRACE #define LEAVE_DRAW(x) TRACE /***********************************************************************/ #define ACCEL_MMIO #define ACCEL_PREAMBLE() unsigned char *RADEONMMIO = info->MMIO #define BEGIN_ACCEL(n) RADEONWaitForFifo(pScrn, (n)) #define OUT_ACCEL_REG(reg, val) OUTREG(reg, val) #define OUT_ACCEL_REG_F(reg, val) OUTREG(reg, F_TO_DW(val)) #define FINISH_ACCEL() #ifdef RENDER #include "radeon_exa_render.c" #endif #include "radeon_exa_funcs.c" #undef ACCEL_MMIO #undef ACCEL_PREAMBLE #undef BEGIN_ACCEL #undef OUT_ACCEL_REG #undef OUT_ACCEL_REG_F #undef FINISH_ACCEL #ifdef XF86DRI #define ACCEL_CP #define ACCEL_PREAMBLE() \ RING_LOCALS; \ RADEONCP_REFRESH(pScrn, info) #define BEGIN_ACCEL(n) BEGIN_RING(2*(n)) #define OUT_ACCEL_REG(reg, val) OUT_RING_REG(reg, val) #define FINISH_ACCEL() ADVANCE_RING() #define OUT_RING_F(x) OUT_RING(F_TO_DW(x)) #ifdef RENDER #include "radeon_exa_render.c" #endif #include "radeon_exa_funcs.c" #undef ACCEL_CP #undef ACCEL_PREAMBLE #undef BEGIN_ACCEL #undef OUT_ACCEL_REG #undef FINISH_ACCEL #undef OUT_RING_F #endif /* XF86DRI */ /* * Once screen->off_screen_base is set, this function * allocates the remaining memory appropriately */ Bool RADEONSetupMemEXA (ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; RADEONInfoPtr info = RADEONPTR(pScrn); xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); int cpp = info->CurrentLayout.pixel_bytes; int screen_size; int byteStride = pScrn->displayWidth * cpp; if (info->accel_state->exa != NULL) { xf86DrvMsg(pScreen->myNum, X_ERROR, "Memory map already initialized\n"); return FALSE; } info->accel_state->exa = exaDriverAlloc(); if (info->accel_state->exa == NULL) return FALSE; /* Need to adjust screen size for 16 line tiles, and then make it align to. * the buffer alignment requirement. */ if (info->allowColorTiling) screen_size = RADEON_ALIGN(pScrn->virtualY, 16) * byteStride; else screen_size = pScrn->virtualY * byteStride; info->accel_state->exa->memoryBase = info->FB; info->accel_state->exa->memorySize = info->FbMapSize - info->FbSecureSize; info->accel_state->exa->offScreenBase = screen_size; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Allocating from a screen of %ld kb\n", info->accel_state->exa->memorySize / 1024); /* Reserve static area for hardware cursor */ if (!xf86ReturnOptValBool(info->Options, OPTION_SW_CURSOR, FALSE)) { int cursor_size = 64 * 4 * 64; int align = IS_AVIVO_VARIANT ? 4096 : 256; int c; for (c = 0; c < xf86_config->num_crtc; c++) { xf86CrtcPtr crtc = xf86_config->crtc[c]; RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; radeon_crtc->cursor_offset = RADEON_ALIGN(info->accel_state->exa->offScreenBase, align); info->accel_state->exa->offScreenBase = radeon_crtc->cursor_offset + cursor_size; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Will use %d kb for hardware cursor %d at offset 0x%08x\n", (cursor_size * xf86_config->num_crtc) / 1024, c, (unsigned int)radeon_crtc->cursor_offset); } } #if defined(XF86DRI) if (info->directRenderingEnabled) { int depthCpp = (info->dri->depthBits - 8) / 4, l, next, depth_size; info->dri->frontOffset = 0; info->dri->frontPitch = pScrn->displayWidth; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Will use %d kb for front buffer at offset 0x%08x\n", screen_size / 1024, info->dri->frontOffset); RADEONDRIAllocatePCIGARTTable(pScreen); if (info->cardType==CARD_PCIE) xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Will use %d kb for PCI GART at offset 0x%08x\n", info->dri->pciGartSize / 1024, (int)info->dri->pciGartOffset); /* Reserve a static area for the back buffer the same size as the * visible screen. XXX: This would be better initialized in ati_dri.c * when GLX is set up, but the offscreen memory manager's allocations * don't last through VT switches, while the kernel's understanding of * offscreen locations does. */ info->dri->backPitch = pScrn->displayWidth; next = RADEON_ALIGN(info->accel_state->exa->offScreenBase, RADEON_BUFFER_ALIGN); if (!info->dri->noBackBuffer && next + screen_size <= info->accel_state->exa->memorySize) { info->dri->backOffset = next; info->accel_state->exa->offScreenBase = next + screen_size; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Will use %d kb for back buffer at offset 0x%08x\n", screen_size / 1024, info->dri->backOffset); } /* Reserve the static depth buffer, and adjust pitch and height to * handle tiling. */ info->dri->depthPitch = RADEON_ALIGN(pScrn->displayWidth, 32); depth_size = RADEON_ALIGN(pScrn->virtualY, 16) * info->dri->depthPitch * depthCpp; next = RADEON_ALIGN(info->accel_state->exa->offScreenBase, RADEON_BUFFER_ALIGN); if (next + depth_size <= info->accel_state->exa->memorySize) { info->dri->depthOffset = next; info->accel_state->exa->offScreenBase = next + depth_size; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Will use %d kb for depth buffer at offset 0x%08x\n", depth_size / 1024, info->dri->depthOffset); } info->dri->textureSize *= (info->accel_state->exa->memorySize - info->accel_state->exa->offScreenBase) / 100; l = RADEONLog2(info->dri->textureSize / RADEON_NR_TEX_REGIONS); if (l < RADEON_LOG_TEX_GRANULARITY) l = RADEON_LOG_TEX_GRANULARITY; info->dri->textureSize = (info->dri->textureSize >> l) << l; if (info->dri->textureSize >= 512 * 1024) { info->dri->textureOffset = info->accel_state->exa->offScreenBase; info->accel_state->exa->offScreenBase += info->dri->textureSize; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Will use %d kb for textures at offset 0x%08x\n", info->dri->textureSize / 1024, info->dri->textureOffset); } else { /* Minimum texture size is for 2 256x256x32bpp textures */ info->dri->textureSize = 0; } } else #endif /* XF86DRI */ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Will use %d kb for front buffer at offset 0x%08x\n", screen_size / 1024, 0); xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Will use %ld kb for X Server offscreen at offset 0x%08lx\n", (info->accel_state->exa->memorySize - info->accel_state->exa->offScreenBase) / 1024, info->accel_state->exa->offScreenBase); return TRUE; } #ifdef XF86DRI #ifndef ExaOffscreenMarkUsed extern void ExaOffscreenMarkUsed(PixmapPtr); #endif unsigned long long RADEONTexOffsetStart(PixmapPtr pPix) { RINFO_FROM_SCREEN(pPix->drawable.pScreen); unsigned long long offset; exaMoveInPixmap(pPix); ExaOffscreenMarkUsed(pPix); offset = exaGetPixmapOffset(pPix); if (offset > info->FbMapSize) return ~0ULL; else return info->fbLocation + offset; } #endif