/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/fbdev/fbdev.c,v 1.42 2002/10/10 01:35:20 dawes Exp $ */ /* * Authors: Alan Hourihane, * Michel Dänzer, */ /* all driver need this */ #include "xf86.h" #include "xf86_OSproc.h" #include "xf86_ansic.h" #include "mipointer.h" #include "mibstore.h" #include "micmap.h" #include "colormapst.h" #include "xf86cmap.h" #include "shadow.h" #include "dgaproc.h" /* for visuals */ #include "fb.h" #ifdef USE_AFB #include "afb.h" #endif #include "xf86Resources.h" #include "xf86RAC.h" #include "fbdevhw.h" #ifdef XvExtension #include "xf86xv.h" #endif #define DEBUG 0 #if DEBUG # define TRACE_ENTER(str) ErrorF("fbdev: " str " %d\n",pScrn->scrnIndex) # define TRACE_EXIT(str) ErrorF("fbdev: " str " done\n") # define TRACE(str) ErrorF("fbdev trace: " str "\n") #else # define TRACE_ENTER(str) # define TRACE_EXIT(str) # define TRACE(str) #endif /* -------------------------------------------------------------------- */ /* prototypes */ static const OptionInfoRec * FBDevAvailableOptions(int chipid, int busid); static void FBDevIdentify(int flags); static Bool FBDevProbe(DriverPtr drv, int flags); static Bool FBDevPreInit(ScrnInfoPtr pScrn, int flags); static Bool FBDevScreenInit(int Index, ScreenPtr pScreen, int argc, char **argv); static Bool FBDevCloseScreen(int scrnIndex, ScreenPtr pScreen); static void * FBDevWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode, CARD32 *size, void *closure); static void FBDevPointerMoved(int index, int x, int y); static Bool FBDevDGAInit(ScrnInfoPtr pScrn, ScreenPtr pScreen); enum { FBDEV_ROTATE_NONE=0, FBDEV_ROTATE_CW=270, FBDEV_ROTATE_UD=180, FBDEV_ROTATE_CCW=90 }; /*static ShadowUpdateProc updateFuncs[] = { shadowUpdatePacked, shadowUpdateRotate8_270, shadowUpdateRotate8_180, shadowUpdateRotate8_90, shadowUpdatePacked, shadowUpdateRotate16_270, shadowUpdateRotate16_180, shadowUpdateRotate16_90, shadowUpdatePacked, shadowUpdateRotate32_270, shadowUpdateRotate32_180, shadowUpdateRotate32_90 }; */ /* -------------------------------------------------------------------- */ /* * This is intentionally screen-independent. It indicates the binding * choice made in the first PreInit. */ static int pix24bpp = 0; #define VERSION 4000 #define FBDEV_NAME "FBDEV" #define FBDEV_DRIVER_NAME "fbdev" #define FBDEV_MAJOR_VERSION 0 #define FBDEV_MINOR_VERSION 1 DriverRec FBDEV = { VERSION, FBDEV_DRIVER_NAME, #if 0 "driver for linux framebuffer devices", #endif FBDevIdentify, FBDevProbe, FBDevAvailableOptions, NULL, 0 }; /* Supported "chipsets" */ static SymTabRec FBDevChipsets[] = { { 0, "fbdev" }, #ifdef USE_AFB { 0, "afb" }, #endif {-1, NULL } }; /* Supported options */ typedef enum { OPTION_SHADOW_FB, OPTION_ROTATE, OPTION_FBDEV } FBDevOpts; static const OptionInfoRec FBDevOptions[] = { { OPTION_SHADOW_FB, "ShadowFB", OPTV_BOOLEAN, {0}, FALSE }, { OPTION_ROTATE, "Rotate", OPTV_STRING, {0}, FALSE }, { OPTION_FBDEV, "fbdev", OPTV_STRING, {0}, FALSE }, { -1, NULL, OPTV_NONE, {0}, FALSE } }; /* -------------------------------------------------------------------- */ static const char *afbSymbols[] = { "afbScreenInit", "afbCreateDefColormap", NULL }; static const char *fbSymbols[] = { "fbScreenInit", "fbPictureInit", NULL }; static const char *shadowSymbols[] = { "shadowAdd", "shadowAlloc", "shadowInit", "shadowSetup", "shadowUpdatePacked", "shadowUpdateRotatePacked", NULL }; static const char *fbdevHWSymbols[] = { "fbdevHWInit", "fbdevHWProbe", "fbdevHWSetVideoModes", "fbdevHWUseBuildinMode", "fbdevHWGetDepth", "fbdevHWGetLineLength", "fbdevHWGetName", "fbdevHWGetType", "fbdevHWGetVidmem", "fbdevHWLinearOffset", "fbdevHWLoadPalette", "fbdevHWMapVidmem", "fbdevHWUnmapVidmem", /* colormap */ "fbdevHWLoadpalette", /* ScrnInfo hooks */ "fbdevHWAdjustFrame", "fbdevHWEnterVT", "fbdevHWLeaveVT", "fbdevHWModeInit", "fbdevHWRestore", "fbdevHWSave", "fbdevHWSaveScreen", "fbdevHWSwitchMode", "fbdevHWValidMode", "fbdevHWDPMSSet", NULL }; #ifdef XFree86LOADER MODULESETUPPROTO(FBDevSetup); static XF86ModuleVersionInfo FBDevVersRec = { "fbdev", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XF86_VERSION_CURRENT, FBDEV_MAJOR_VERSION, FBDEV_MINOR_VERSION, 0, ABI_CLASS_VIDEODRV, ABI_VIDEODRV_VERSION, NULL, {0,0,0,0} }; XF86ModuleData fbdevModuleData = { &FBDevVersRec, FBDevSetup, NULL }; pointer FBDevSetup(pointer module, pointer opts, int *errmaj, int *errmin) { static Bool setupDone = FALSE; if (!setupDone) { setupDone = TRUE; xf86AddDriver(&FBDEV, module, 0); LoaderRefSymLists(afbSymbols, fbSymbols, shadowSymbols, fbdevHWSymbols, NULL); return (pointer)1; } else { if (errmaj) *errmaj = LDR_ONCEONLY; return NULL; } } #endif /* XFree86LOADER */ /* -------------------------------------------------------------------- */ /* our private data, and two functions to allocate/free this */ typedef struct { unsigned char* fbstart; unsigned char* fbmem; int fboff; int lineLength; unsigned char* shadowmem; int rotate; Bool shadowFB; CloseScreenProcPtr CloseScreen; void (*PointerMoved)(int index, int x, int y); EntityInfoPtr pEnt; /* DGA info */ DGAModePtr pDGAMode; int nDGAMode; OptionInfoPtr Options; } FBDevRec, *FBDevPtr; #define FBDEVPTR(p) ((FBDevPtr)((p)->driverPrivate)) static Bool FBDevGetRec(ScrnInfoPtr pScrn) { if (pScrn->driverPrivate != NULL) return TRUE; pScrn->driverPrivate = xnfcalloc(sizeof(FBDevRec), 1); return TRUE; } static void FBDevFreeRec(ScrnInfoPtr pScrn) { if (pScrn->driverPrivate == NULL) return; xfree(pScrn->driverPrivate); pScrn->driverPrivate = NULL; } /* -------------------------------------------------------------------- */ static const OptionInfoRec * FBDevAvailableOptions(int chipid, int busid) { return FBDevOptions; } static void FBDevIdentify(int flags) { xf86PrintChipsets(FBDEV_NAME, "driver for framebuffer", FBDevChipsets); } static Bool FBDevProbe(DriverPtr drv, int flags) { int i; ScrnInfoPtr pScrn; GDevPtr *devSections; int numDevSections; int bus,device,func; char *dev; Bool foundScreen = FALSE; TRACE("probe start"); /* For now, just bail out for PROBE_DETECT. */ if (flags & PROBE_DETECT) return FALSE; if ((numDevSections = xf86MatchDevice(FBDEV_DRIVER_NAME, &devSections)) <= 0) return FALSE; if (!xf86LoadDrvSubModule(drv, "fbdevhw")) return FALSE; xf86LoaderReqSymLists(fbdevHWSymbols, NULL); for (i = 0; i < numDevSections; i++) { Bool isIsa = FALSE; Bool isPci = FALSE; dev = xf86FindOptionValue(devSections[i]->options,"fbdev"); if (devSections[i]->busID) { if (xf86ParsePciBusString(devSections[i]->busID,&bus,&device, &func)) { if (!xf86CheckPciSlot(bus,device,func)) continue; isPci = TRUE; } else if (xf86ParseIsaBusString(devSections[i]->busID)) isIsa = TRUE; } if (fbdevHWProbe(NULL,dev,NULL)) { pScrn = NULL; if (isPci) { /* XXX what about when there's no busID set? */ int entity; entity = xf86ClaimPciSlot(bus,device,func,drv, 0,devSections[i], TRUE); pScrn = xf86ConfigPciEntity(pScrn,0,entity, NULL,RES_SHARED_VGA, NULL,NULL,NULL,NULL); /* xf86DrvMsg() can't be called without setting these */ pScrn->driverName = FBDEV_DRIVER_NAME; pScrn->name = FBDEV_NAME; xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "claimed PCI slot %d:%d:%d\n",bus,device,func); } else if (isIsa) { int entity; entity = xf86ClaimIsaSlot(drv, 0, devSections[i], TRUE); pScrn = xf86ConfigIsaEntity(pScrn,0,entity, NULL,RES_SHARED_VGA, NULL,NULL,NULL,NULL); } else { int entity; entity = xf86ClaimFbSlot(drv, 0, devSections[i], TRUE); pScrn = xf86ConfigFbEntity(pScrn,0,entity, NULL,NULL,NULL,NULL); } if (pScrn) { foundScreen = TRUE; pScrn->driverVersion = VERSION; pScrn->driverName = FBDEV_DRIVER_NAME; pScrn->name = FBDEV_NAME; pScrn->Probe = FBDevProbe; pScrn->PreInit = FBDevPreInit; pScrn->ScreenInit = FBDevScreenInit; pScrn->SwitchMode = fbdevHWSwitchMode; pScrn->AdjustFrame = fbdevHWAdjustFrame; pScrn->EnterVT = fbdevHWEnterVT; pScrn->LeaveVT = fbdevHWLeaveVT; pScrn->ValidMode = fbdevHWValidMode; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "using %s\n", dev ? dev : "default device"); } } } xfree(devSections); TRACE("probe done"); return foundScreen; } static Bool FBDevPreInit(ScrnInfoPtr pScrn, int flags) { FBDevPtr fPtr; int default_depth, fbbpp; const char *mod = NULL, *s; const char **syms = NULL; if (flags & PROBE_DETECT) return FALSE; TRACE_ENTER("PreInit"); /* Check the number of entities, and fail if it isn't one. */ if (pScrn->numEntities != 1) return FALSE; pScrn->monitor = pScrn->confScreen->monitor; FBDevGetRec(pScrn); fPtr = FBDEVPTR(pScrn); fPtr->pEnt = xf86GetEntityInfo(pScrn->entityList[0]); pScrn->racMemFlags = RAC_FB | RAC_COLORMAP | RAC_CURSOR | RAC_VIEWPORT; /* XXX Is this right? Can probably remove RAC_FB */ pScrn->racIoFlags = RAC_FB | RAC_COLORMAP | RAC_CURSOR | RAC_VIEWPORT; if (fPtr->pEnt->location.type == BUS_PCI && xf86RegisterResources(fPtr->pEnt->index,NULL,ResExclusive)) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "xf86RegisterResources() found resource conflicts\n"); return FALSE; } /* open device */ if (!fbdevHWInit(pScrn,NULL,xf86FindOptionValue(fPtr->pEnt->device->options,"fbdev"))) return FALSE; default_depth = fbdevHWGetDepth(pScrn,&fbbpp); if (!xf86SetDepthBpp(pScrn, default_depth, default_depth, fbbpp,0)) return FALSE; xf86PrintDepthBpp(pScrn); /* Get the depth24 pixmap format */ if (pScrn->depth == 24 && pix24bpp == 0) pix24bpp = xf86GetBppFromDepth(pScrn, 24); /* color weight */ if (pScrn->depth > 8) { rgb zeros = { 0, 0, 0 }; if (!xf86SetWeight(pScrn, zeros, zeros)) return FALSE; } /* visual init */ if (!xf86SetDefaultVisual(pScrn, -1)) return FALSE; /* We don't currently support DirectColor at > 8bpp */ if (pScrn->depth > 8 && pScrn->defaultVisual != TrueColor) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Given default visual" " (%s) is not supported at depth %d\n", xf86GetVisualName(pScrn->defaultVisual), pScrn->depth); return FALSE; } { Gamma zeros = {0.0, 0.0, 0.0}; if (!xf86SetGamma(pScrn,zeros)) { return FALSE; } } pScrn->progClock = TRUE; pScrn->rgbBits = 8; pScrn->chipset = "fbdev"; pScrn->videoRam = fbdevHWGetVidmem(pScrn); xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Hardware: %s (vidmem: %dk)\n", fbdevHWGetName(pScrn),pScrn->videoRam/1024); /* handle options */ xf86CollectOptions(pScrn, NULL); if (!(fPtr->Options = xalloc(sizeof(FBDevOptions)))) return FALSE; memcpy(fPtr->Options, FBDevOptions, sizeof(FBDevOptions)); xf86ProcessOptions(pScrn->scrnIndex, fPtr->pEnt->device->options, fPtr->Options); /* use shadow framebuffer by default */ fPtr->shadowFB = xf86ReturnOptValBool(fPtr->Options, OPTION_SHADOW_FB, TRUE); /* rotation */ fPtr->rotate = FBDEV_ROTATE_NONE; if ((s = xf86GetOptValString(fPtr->Options, OPTION_ROTATE))) { if(!xf86NameCmp(s, "CW")) { fPtr->shadowFB = TRUE; fPtr->rotate = FBDEV_ROTATE_CW; xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Rotating screen clockwise\n"); } else if(!xf86NameCmp(s, "CCW")) { fPtr->shadowFB = TRUE; fPtr->rotate = FBDEV_ROTATE_CCW; xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Rotating screen counter clockwise\n"); } else if(!xf86NameCmp(s, "UD")) { fPtr->shadowFB = TRUE; fPtr->rotate = FBDEV_ROTATE_UD; xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Rotating screen upside down\n"); } else { xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "\"%s\" is not a valid value for Option \"Rotate\"\n", s); xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Valid options are \"CW\", \"CCW\" or \"UD\"\n"); } } /* select video modes */ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Checking Modes against framebuffer device...\n"); fbdevHWSetVideoModes(pScrn); xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Checking Modes against monitor...\n"); { DisplayModePtr mode, first = mode = pScrn->modes; if (mode != NULL) do { mode->status = xf86CheckModeForMonitor(mode, pScrn->monitor); mode = mode->next; } while (mode != NULL && mode != first); xf86PruneDriverModes(pScrn); } if (NULL == pScrn->modes) fbdevHWUseBuildinMode(pScrn); pScrn->currentMode = pScrn->modes; if (fPtr->shadowFB) pScrn->displayWidth = pScrn->virtualX; /* ShadowFB handles this correctly */ else { int fbbpp; /* FIXME: this doesn't work for all cases, e.g. when each scanline has a padding which is independent from the depth (controlfb) */ fbdevHWGetDepth(pScrn,&fbbpp); pScrn->displayWidth = fbdevHWGetLineLength(pScrn)/(fbbpp >> 3); } xf86PrintModes(pScrn); /* Set display resolution */ xf86SetDpi(pScrn, 0, 0); /* Load bpp-specific modules */ switch (fbdevHWGetType(pScrn)) { case FBDEVHW_PLANES: mod = "afb"; syms = afbSymbols; break; case FBDEVHW_PACKED_PIXELS: switch (pScrn->bitsPerPixel) { case 8: case 16: case 24: case 32: mod = "fb"; syms = fbSymbols; break; default: xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Unsupported bpp: %d", pScrn->bitsPerPixel); return FALSE; } break; case FBDEVHW_INTERLEAVED_PLANES: /* Not supported yet, don't know what to do with this */ xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Interleaved Planes are not supported yet by drivers/fbdev."); return FALSE; case FBDEVHW_TEXT: /* This should never happen ... * we should check for this much much earlier ... */ xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Text mode is not supprted by drivers/fbdev.\n" "Why do you want to run the X in TEXT mode anyway ?"); return FALSE; case FBDEVHW_VGA_PLANES: /* Not supported yet */ xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "EGA/VGA Planes are not supprted yet by drivers/fbdev."); return FALSE; default: xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Fbdev type (%d) not supported yet."); return FALSE; } if (mod && xf86LoadSubModule(pScrn, mod) == NULL) { FBDevFreeRec(pScrn); return FALSE; } if (mod && syms) { xf86LoaderReqSymLists(syms, NULL); } /* Load shadow if needed */ if (fPtr->shadowFB) { xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Using \"Shadow Framebuffer\"\n"); if (!xf86LoadSubModule(pScrn, "shadow")) { FBDevFreeRec(pScrn); return FALSE; } xf86LoaderReqSymLists(shadowSymbols, NULL); } TRACE_EXIT("PreInit"); return TRUE; } static Bool FBDevScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; FBDevPtr fPtr = FBDEVPTR(pScrn); VisualPtr visual; int init_picture = 0; int ret,flags,width,height; TRACE_ENTER("FBDevScreenInit"); #if DEBUG ErrorF("\tbitsPerPixel=%d, depth=%d, defaultVisual=%s\n" "\tmask: %x,%x,%x, offset: %d,%d,%d\n", pScrn->bitsPerPixel, pScrn->depth, xf86GetVisualName(pScrn->defaultVisual), pScrn->mask.red,pScrn->mask.green,pScrn->mask.blue, pScrn->offset.red,pScrn->offset.green,pScrn->offset.blue); #endif if (NULL == (fPtr->fbmem = fbdevHWMapVidmem(pScrn))) { xf86DrvMsg(scrnIndex,X_ERROR,"Map vid mem failed\n"); return FALSE; } fPtr->fboff = fbdevHWLinearOffset(pScrn); fbdevHWSave(pScrn); if (!fbdevHWModeInit(pScrn, pScrn->currentMode)) { xf86DrvMsg(scrnIndex,X_ERROR,"Mode init failed\n"); return FALSE; } fbdevHWSaveScreen(pScreen, SCREEN_SAVER_ON); fbdevHWAdjustFrame(scrnIndex,0,0,0); /* mi layer */ miClearVisualTypes(); if (pScrn->bitsPerPixel > 8) { if (!miSetVisualTypes(pScrn->depth, TrueColorMask, pScrn->rgbBits, TrueColor)) { xf86DrvMsg(scrnIndex,X_ERROR,"Set visual types failed\n"); return FALSE; } } else { if (!miSetVisualTypes(pScrn->depth, miGetDefaultVisualMask(pScrn->depth), pScrn->rgbBits, pScrn->defaultVisual)) { xf86DrvMsg(scrnIndex,X_ERROR,"Set visual types failed\n"); return FALSE; } } if (!miSetPixmapDepths()) { xf86DrvMsg(scrnIndex,X_ERROR,"Set pixmap depths failed\n"); return FALSE; } if(fPtr->rotate==FBDEV_ROTATE_CW || fPtr->rotate==FBDEV_ROTATE_CCW) { height = pScrn->virtualX; width = pScrn->displayWidth = pScrn->virtualY; } else { height = pScrn->virtualY; width = pScrn->virtualX; } if(fPtr->rotate && !fPtr->PointerMoved) { fPtr->PointerMoved = pScrn->PointerMoved; pScrn->PointerMoved = FBDevPointerMoved; } /* shadowfb */ if (fPtr->shadowFB) { if ((fPtr->shadowmem = shadowAlloc(width, height, pScrn->bitsPerPixel)) == NULL) { xf86DrvMsg(scrnIndex,X_ERROR, "Allocation of shadow memory failed\n"); return FALSE; } fPtr->fbstart = fPtr->shadowmem; } else { fPtr->shadowmem = NULL; fPtr->fbstart = fPtr->fbmem + fPtr->fboff; } switch (fbdevHWGetType(pScrn)) { #ifdef USE_AFB case FBDEVHW_PLANES: if (fPtr->rotate) { xf86DrvMsg(scrnIndex, X_ERROR, "Internal error: Rotate not supported for afb\n"); ret = FALSE; break; } if (fPtr->shadowFB) { xf86DrvMsg(scrnIndex, X_ERROR, "Internal error: Shadow framebuffer not supported for afb\n"); ret = FALSE; break; } ret = afbScreenInit (pScreen, fPtr->fbstart, pScrn->virtualX, pScrn->virtualY, pScrn->xDpi, pScrn->yDpi, pScrn->displayWidth); break; #endif case FBDEVHW_PACKED_PIXELS: switch (pScrn->bitsPerPixel) { case 8: case 16: case 24: case 32: ret = fbScreenInit(pScreen, fPtr->fbstart, width, height, pScrn->xDpi, pScrn->yDpi, pScrn->displayWidth, pScrn->bitsPerPixel); init_picture = 1; break; default: xf86DrvMsg(scrnIndex, X_ERROR, "Internal error: invalid bpp (%d) in FBDevScreenInit\n", pScrn->bitsPerPixel); ret = FALSE; break; } break; case FBDEVHW_INTERLEAVED_PLANES: /* This should never happen ... * we should check for this much much earlier ... */ xf86DrvMsg(scrnIndex, X_ERROR, "Internal error: Text mode is not supprted by drivers/fbdev.\n" "Comment: Why do you want to run the X in TEXT mode anyway ?"); ret = FALSE; break; case FBDEVHW_TEXT: /* This should never happen ... * we should check for this much much earlier ... */ xf86DrvMsg(scrnIndex, X_ERROR, "Internal error: Text mode is not supprted by drivers/fbdev.\n" "Comment: Why do you want to run the X in TEXT mode anyway ?"); ret = FALSE; break; case FBDEVHW_VGA_PLANES: /* Not supported yet */ xf86DrvMsg(scrnIndex, X_ERROR, "Internal error: EGA/VGA Planes are not supprted" " yet by drivers/fbdev."); ret = FALSE; break; default: xf86DrvMsg(scrnIndex, X_ERROR, "Internal error: fbdev type (%d) unsupported in" " FBDevScreenInit\n"); ret = FALSE; break; } if (!ret) return FALSE; if (pScrn->bitsPerPixel > 8) { /* Fixup RGB ordering */ visual = pScreen->visuals + pScreen->numVisuals; while (--visual >= pScreen->visuals) { if ((visual->class | DynamicClass) == DirectColor) { visual->offsetRed = pScrn->offset.red; visual->offsetGreen = pScrn->offset.green; visual->offsetBlue = pScrn->offset.blue; visual->redMask = pScrn->mask.red; visual->greenMask = pScrn->mask.green; visual->blueMask = pScrn->mask.blue; } } } /* must be after RGB ordering fixed */ if (init_picture && !fbPictureInit(pScreen, NULL, 0)) xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "RENDER extension initialisation failed.\n"); if (fPtr->shadowFB && (!shadowSetup(pScreen) || !shadowAdd(pScreen, NULL, fPtr->rotate ? shadowUpdateRotatePacked : shadowUpdatePacked, FBDevWindowLinear, fPtr->rotate, NULL)) ) { xf86DrvMsg(scrnIndex, X_ERROR, "Shadow framebuffer initialization failed.\n"); return FALSE; } if (!fPtr->rotate) FBDevDGAInit(pScrn, pScreen); else { xf86DrvMsg(scrnIndex, X_INFO, "Rotated display, disabling DGA\n"); if (pScrn->bitsPerPixel == 24) xf86DrvMsg(scrnIndex, X_WARNING, "Rotation might be broken in 24 bpp\n"); } xf86SetBlackWhitePixels(pScreen); miInitializeBackingStore(pScreen); xf86SetBackingStore(pScreen); /* software cursor */ miDCInitialize(pScreen, xf86GetPointerScreenFuncs()); /* colormap */ switch (fbdevHWGetType(pScrn)) { /* XXX It would be simpler to use miCreateDefColormap() in all cases. */ #ifdef USE_AFB case FBDEVHW_PLANES: if (!afbCreateDefColormap(pScreen)) return FALSE; break; #endif case FBDEVHW_PACKED_PIXELS: if (!miCreateDefColormap(pScreen)) return FALSE; break; case FBDEVHW_INTERLEAVED_PLANES: xf86DrvMsg(scrnIndex, X_ERROR, "Internal error: invalid fbdev type (interleaved planes)" " in FBDevScreenInit\n"); return FALSE; case FBDEVHW_TEXT: xf86DrvMsg(scrnIndex, X_ERROR, "Internal error: invalid fbdev type (text)" " in FBDevScreenInit\n"); return FALSE; case FBDEVHW_VGA_PLANES: xf86DrvMsg(scrnIndex, X_ERROR, "Internal error: invalid fbdev type (ega/vga planes)" " in FBDevScreenInit\n"); return FALSE; default: xf86DrvMsg(scrnIndex, X_ERROR, "Internal error: invalid fbdev type (%d) in FBDevScreenInit\n"); return FALSE; } flags = CMAP_PALETTED_TRUECOLOR; if(!xf86HandleColormaps(pScreen, 256, 8, fbdevHWLoadPalette, NULL, flags)) return FALSE; xf86DPMSInit(pScreen, fbdevHWDPMSSet, 0); pScreen->SaveScreen = fbdevHWSaveScreen; /* Wrap the current CloseScreen function */ fPtr->CloseScreen = pScreen->CloseScreen; pScreen->CloseScreen = FBDevCloseScreen; #ifdef XvExtension { XF86VideoAdaptorPtr *ptr; int n = xf86XVListGenericAdaptors(pScrn,&ptr); if (n) { xf86XVScreenInit(pScreen,ptr,n); } } #endif TRACE_EXIT("FBDevScreenInit"); return TRUE; } static Bool FBDevCloseScreen(int scrnIndex, ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; FBDevPtr fPtr = FBDEVPTR(pScrn); fbdevHWRestore(pScrn); fbdevHWUnmapVidmem(pScrn); if (fPtr->shadowmem) xfree(fPtr->shadowmem); if (fPtr->pDGAMode) { xfree(fPtr->pDGAMode); fPtr->pDGAMode = NULL; fPtr->nDGAMode = 0; } pScrn->vtSema = FALSE; pScreen->CloseScreen = fPtr->CloseScreen; return (*pScreen->CloseScreen)(scrnIndex, pScreen); } /*********************************************************************** * Shadow stuff ***********************************************************************/ static void * FBDevWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode, CARD32 *size, void *closure) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; FBDevPtr fPtr = FBDEVPTR(pScrn); if (!pScrn->vtSema) return NULL; if (fPtr->lineLength) *size = fPtr->lineLength; else *size = fPtr->lineLength = fbdevHWGetLineLength(pScrn); return ((CARD8 *)fPtr->fbmem + fPtr->fboff + row * fPtr->lineLength + offset); } static void FBDevPointerMoved(int index, int x, int y) { ScrnInfoPtr pScrn = xf86Screens[index]; FBDevPtr fPtr = FBDEVPTR(pScrn); int newX, newY; switch (fPtr->rotate) { case FBDEV_ROTATE_CW: /* 90 degrees CW rotation. */ newX = pScrn->pScreen->height - y - 1; newY = x; break; case FBDEV_ROTATE_CCW: /* 90 degrees CCW rotation. */ newX = y; newY = pScrn->pScreen->width - x - 1; break; case FBDEV_ROTATE_UD: /* 180 degrees UD rotation. */ newX = pScrn->pScreen->width - x - 1; newY = pScrn->pScreen->height - y - 1; break; default: /* No rotation. */ newX = x; newY = y; break; } /* Pass adjusted pointer coordinates to wrapped PointerMoved function. */ (*fPtr->PointerMoved)(index, newX, newY); } /*********************************************************************** * DGA stuff ***********************************************************************/ static Bool FBDevDGAOpenFramebuffer(ScrnInfoPtr pScrn, char **DeviceName, unsigned char **ApertureBase, int *ApertureSize, int *ApertureOffset, int *flags); static Bool FBDevDGASetMode(ScrnInfoPtr pScrn, DGAModePtr pDGAMode); static void FBDevDGASetViewport(ScrnInfoPtr pScrn, int x, int y, int flags); static Bool FBDevDGAOpenFramebuffer(ScrnInfoPtr pScrn, char **DeviceName, unsigned char **ApertureBase, int *ApertureSize, int *ApertureOffset, int *flags) { *DeviceName = NULL; /* No special device */ *ApertureBase = (unsigned char *)(pScrn->memPhysBase); *ApertureSize = pScrn->videoRam; *ApertureOffset = pScrn->fbOffset; *flags = 0; return TRUE; } static Bool FBDevDGASetMode(ScrnInfoPtr pScrn, DGAModePtr pDGAMode) { DisplayModePtr pMode; int scrnIdx = pScrn->pScreen->myNum; int frameX0, frameY0; if (pDGAMode) { pMode = pDGAMode->mode; frameX0 = frameY0 = 0; } else { if (!(pMode = pScrn->currentMode)) return TRUE; frameX0 = pScrn->frameX0; frameY0 = pScrn->frameY0; } if (!(*pScrn->SwitchMode)(scrnIdx, pMode, 0)) return FALSE; (*pScrn->AdjustFrame)(scrnIdx, frameX0, frameY0, 0); return TRUE; } static void FBDevDGASetViewport(ScrnInfoPtr pScrn, int x, int y, int flags) { (*pScrn->AdjustFrame)(pScrn->pScreen->myNum, x, y, flags); } static int FBDevDGAGetViewport(ScrnInfoPtr pScrn) { return (0); } static DGAFunctionRec FBDevDGAFunctions = { FBDevDGAOpenFramebuffer, NULL, /* CloseFramebuffer */ FBDevDGASetMode, FBDevDGASetViewport, FBDevDGAGetViewport, NULL, /* Sync */ NULL, /* FillRect */ NULL, /* BlitRect */ NULL, /* BlitTransRect */ }; static void FBDevDGAAddModes(ScrnInfoPtr pScrn) { FBDevPtr fPtr = FBDEVPTR(pScrn); DisplayModePtr pMode = pScrn->modes; DGAModePtr pDGAMode; do { pDGAMode = xrealloc(fPtr->pDGAMode, (fPtr->nDGAMode + 1) * sizeof(DGAModeRec)); if (!pDGAMode) break; fPtr->pDGAMode = pDGAMode; pDGAMode += fPtr->nDGAMode; (void)memset(pDGAMode, 0, sizeof(DGAModeRec)); ++fPtr->nDGAMode; pDGAMode->mode = pMode; pDGAMode->flags = DGA_CONCURRENT_ACCESS | DGA_PIXMAP_AVAILABLE; pDGAMode->byteOrder = pScrn->imageByteOrder; pDGAMode->depth = pScrn->depth; pDGAMode->bitsPerPixel = pScrn->bitsPerPixel; pDGAMode->red_mask = pScrn->mask.red; pDGAMode->green_mask = pScrn->mask.green; pDGAMode->blue_mask = pScrn->mask.blue; pDGAMode->visualClass = pScrn->bitsPerPixel > 8 ? TrueColor : PseudoColor; pDGAMode->xViewportStep = 1; pDGAMode->yViewportStep = 1; pDGAMode->viewportWidth = pMode->HDisplay; pDGAMode->viewportHeight = pMode->VDisplay; if (fPtr->lineLength) pDGAMode->bytesPerScanline = fPtr->lineLength; else pDGAMode->bytesPerScanline = fPtr->lineLength = fbdevHWGetLineLength(pScrn); pDGAMode->imageWidth = pMode->HDisplay; pDGAMode->imageHeight = pMode->VDisplay; pDGAMode->pixmapWidth = pDGAMode->imageWidth; pDGAMode->pixmapHeight = pDGAMode->imageHeight; pDGAMode->maxViewportX = pScrn->virtualX - pDGAMode->viewportWidth; pDGAMode->maxViewportY = pScrn->virtualY - pDGAMode->viewportHeight; pDGAMode->address = fPtr->fbstart; pMode = pMode->next; } while (pMode != pScrn->modes); } static Bool FBDevDGAInit(ScrnInfoPtr pScrn, ScreenPtr pScreen) { FBDevPtr fPtr = FBDEVPTR(pScrn); if (pScrn->depth < 8) return FALSE; if (!fPtr->nDGAMode) FBDevDGAAddModes(pScrn); return (DGAInit(pScreen, &FBDevDGAFunctions, fPtr->pDGAMode, fPtr->nDGAMode)); }