/* * Copyright 2002, SuSE Linux AG, Author: Egbert Eich */ #ifdef HAVE_CONFIG_H #include "config.h" #endif /* All drivers should typically include these */ #include "xf86.h" #include "xf86_OSproc.h" /* All drivers initialising the SW cursor need this */ #include "mipointer.h" /* All drivers using the mi colormap manipulation need this */ #include "micmap.h" /* identifying atom needed by magnifiers */ #include #include "property.h" #include "xf86cmap.h" #include "xf86fbman.h" #include "fb.h" #include "picturestr.h" #include "xf86Crtc.h" /* * Driver data structures. */ #include "dummy.h" /* These need to be checked */ #include #include #include "scrnintstr.h" #include "servermd.h" /* Mandatory functions */ static const OptionInfoRec * DUMMYAvailableOptions(int chipid, int busid); static void DUMMYIdentify(int flags); static Bool DUMMYProbe(DriverPtr drv, int flags); static Bool DUMMYPreInit(ScrnInfoPtr pScrn, int flags); static Bool DUMMYScreenInit(SCREEN_INIT_ARGS_DECL); static Bool DUMMYEnterVT(VT_FUNC_ARGS_DECL); static void DUMMYLeaveVT(VT_FUNC_ARGS_DECL); static Bool DUMMYCloseScreen(CLOSE_SCREEN_ARGS_DECL); static Bool DUMMYCreateWindow(WindowPtr pWin); static void DUMMYFreeScreen(FREE_SCREEN_ARGS_DECL); static ModeStatus DUMMYValidMode(SCRN_ARG_TYPE arg, DisplayModePtr mode, Bool verbose, int flags); static Bool DUMMYSaveScreen(ScreenPtr pScreen, int mode); /* Internally used functions */ static Bool dummyDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, pointer ptr); /* static void DUMMYDisplayPowerManagementSet(ScrnInfoPtr pScrn, */ /* int PowerManagementMode, int flags); */ #define DUMMY_VERSION 4000 #define DUMMY_NAME "DUMMY" #define DUMMY_DRIVER_NAME "dummy" #define DUMMY_MAJOR_VERSION PACKAGE_VERSION_MAJOR #define DUMMY_MINOR_VERSION PACKAGE_VERSION_MINOR #define DUMMY_PATCHLEVEL PACKAGE_VERSION_PATCHLEVEL #define DUMMY_MAX_WIDTH 32767 #define DUMMY_MAX_HEIGHT 32767 /* * This is intentionally screen-independent. It indicates the binding * choice made in the first PreInit. */ static int pix24bpp = 0; /* * This contains the functions needed by the server after loading the driver * module. It must be supplied, and gets passed back by the SetupProc * function in the dynamic case. In the static case, a reference to this * is compiled in, and this requires that the name of this DriverRec be * an upper-case version of the driver name. */ _X_EXPORT DriverRec DUMMY = { DUMMY_VERSION, DUMMY_DRIVER_NAME, DUMMYIdentify, DUMMYProbe, DUMMYAvailableOptions, NULL, 0, dummyDriverFunc }; static SymTabRec DUMMYChipsets[] = { { DUMMY_CHIP, "dummy" }, { -1, NULL } }; typedef enum { OPTION_SW_CURSOR } DUMMYOpts; static const OptionInfoRec DUMMYOptions[] = { { OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE }, { -1, NULL, OPTV_NONE, {0}, FALSE } }; #ifdef XFree86LOADER static MODULESETUPPROTO(dummySetup); static XF86ModuleVersionInfo dummyVersRec = { "dummy", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XORG_VERSION_CURRENT, DUMMY_MAJOR_VERSION, DUMMY_MINOR_VERSION, DUMMY_PATCHLEVEL, ABI_CLASS_VIDEODRV, ABI_VIDEODRV_VERSION, MOD_CLASS_VIDEODRV, {0,0,0,0} }; /************************ * XRANDR support begin * ************************/ static Bool dummy_config_resize(ScrnInfoPtr pScrn, int cw, int ch); static Bool DUMMYAdjustScreenPixmap(ScrnInfoPtr pScrn, int width, int height); static const xf86CrtcConfigFuncsRec DUMMYCrtcConfigFuncs = { .resize = dummy_config_resize }; static void dummy_crtc_dpms(xf86CrtcPtr crtc, int mode) { } static Bool dummy_crtc_lock (xf86CrtcPtr crtc) { return FALSE; } static Bool dummy_crtc_mode_fixup (xf86CrtcPtr crtc, DisplayModePtr mode, DisplayModePtr adjusted_mode) { return TRUE; } static void dummy_crtc_stub (xf86CrtcPtr crtc) { } static void dummy_crtc_gamma_set (xf86CrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue, int size) { } static void * dummy_crtc_shadow_allocate (xf86CrtcPtr crtc, int width, int height) { return NULL; } static void dummy_crtc_mode_set (xf86CrtcPtr crtc, DisplayModePtr mode, DisplayModePtr adjusted_mode, int x, int y) { } static const xf86CrtcFuncsRec DUMMYCrtcFuncs = { .dpms = dummy_crtc_dpms, .save = NULL, /* These two are never called by the server. */ .restore = NULL, .lock = dummy_crtc_lock, .unlock = NULL, /* This will not be invoked if lock returns FALSE. */ .mode_fixup = dummy_crtc_mode_fixup, .prepare = dummy_crtc_stub, .mode_set = dummy_crtc_mode_set, .commit = dummy_crtc_stub, .gamma_set = dummy_crtc_gamma_set, .shadow_allocate = dummy_crtc_shadow_allocate, .shadow_create = NULL, /* These two should not be invoked if allocate returns NULL. */ .shadow_destroy = NULL, .set_cursor_colors = NULL, .set_cursor_position = NULL, .show_cursor = NULL, .hide_cursor = NULL, .load_cursor_argb = NULL, .destroy = dummy_crtc_stub }; static void dummy_output_stub (xf86OutputPtr output) { } static void dummy_output_dpms (xf86OutputPtr output, int mode) { } static int dummy_output_mode_valid (xf86OutputPtr output, DisplayModePtr mode) { return MODE_OK; } static Bool dummy_output_mode_fixup (xf86OutputPtr output, DisplayModePtr mode, DisplayModePtr adjusted_mode) { return TRUE; } static void dummy_output_mode_set (xf86OutputPtr output, DisplayModePtr mode, DisplayModePtr adjusted_mode) { DUMMYPtr dPtr = DUMMYPTR(output->scrn); int index = (int64_t)output->driver_private; /* set to connected at first mode set */ dPtr->connected_outputs |= 1 << index; } /* The first virtual monitor is always connected. Others only after setting its * mode */ static xf86OutputStatus dummy_output_detect (xf86OutputPtr output) { DUMMYPtr dPtr = DUMMYPTR(output->scrn); int index = (int64_t)output->driver_private; if (dPtr->connected_outputs & (1 << index)) return XF86OutputStatusConnected; else return XF86OutputStatusDisconnected; } static DisplayModePtr dummy_output_get_modes (xf86OutputPtr output) { DisplayModePtr pModes = NULL, pMode, pModeSrc; /* copy modes from config */ for (pModeSrc = output->scrn->modes; pModeSrc; pModeSrc = pModeSrc->next) { pMode = xnfcalloc(1, sizeof(DisplayModeRec)); memcpy(pMode, pModeSrc, sizeof(DisplayModeRec)); pMode->next = NULL; pMode->prev = NULL; pMode->name = strdup(pModeSrc->name); pModes = xf86ModesAdd(pModes, pMode); if (pModeSrc->next == output->scrn->modes) break; } return pModes; } static const xf86OutputFuncsRec DUMMYOutputFuncs = { .create_resources = dummy_output_stub, .dpms = dummy_output_dpms, .save = NULL, /* These two are never called by the server. */ .restore = NULL, .mode_valid = dummy_output_mode_valid, .mode_fixup = dummy_output_mode_fixup, .prepare = dummy_output_stub, .commit = dummy_output_stub, .mode_set = dummy_output_mode_set, .detect = dummy_output_detect, .get_modes = dummy_output_get_modes, #ifdef RANDR_12_INTERFACE .set_property = NULL, #endif .destroy = dummy_output_stub }; static Bool dummy_config_resize(ScrnInfoPtr pScrn, int cw, int ch) { if (!pScrn->vtSema) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "We do not own the active VT, exiting.\n"); return TRUE; } return DUMMYAdjustScreenPixmap(pScrn, cw, ch); } Bool DUMMYAdjustScreenPixmap(ScrnInfoPtr pScrn, int width, int height) { ScreenPtr pScreen = pScrn->pScreen; PixmapPtr pPixmap = pScreen->GetScreenPixmap(pScreen); DUMMYPtr dPtr = DUMMYPTR(pScrn); uint64_t cbLine = (width * xf86GetBppFromDepth(pScrn, pScrn->depth) / 8 + 3) & ~3; int displayWidth = cbLine * 8 / xf86GetBppFromDepth(pScrn, pScrn->depth); if ( width == pScrn->virtualX && height == pScrn->virtualY && displayWidth == pScrn->displayWidth) return TRUE; if (!pPixmap) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Failed to get the screen pixmap.\n"); return FALSE; } if (cbLine > UINT32_MAX || cbLine * height >= pScrn->videoRam * 1024) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Unable to set up a virtual screen size of %dx%d with %d Kb of video memory available. Please increase the video memory size.\n", width, height, pScrn->videoRam); return FALSE; } pScreen->ModifyPixmapHeader(pPixmap, width, height, pScrn->depth, xf86GetBppFromDepth(pScrn, pScrn->depth), cbLine, pPixmap->devPrivate.ptr); pScrn->virtualX = width; pScrn->virtualY = height; pScrn->displayWidth = displayWidth; return TRUE; } /********************** * XRANDR support end * **********************/ /* * This is the module init data. * Its name has to be the driver name followed by ModuleData */ _X_EXPORT XF86ModuleData dummyModuleData = { &dummyVersRec, dummySetup, NULL }; static pointer dummySetup(pointer module, pointer opts, int *errmaj, int *errmin) { static Bool setupDone = FALSE; if (!setupDone) { setupDone = TRUE; xf86AddDriver(&DUMMY, module, HaveDriverFuncs); /* * Modules that this driver always requires can be loaded here * by calling LoadSubModule(). */ /* * The return value must be non-NULL on success even though there * is no TearDownProc. */ return (pointer)1; } else { if (errmaj) *errmaj = LDR_ONCEONLY; return NULL; } } #endif /* XFree86LOADER */ static Bool DUMMYGetRec(ScrnInfoPtr pScrn) { /* * Allocate a DUMMYRec, and hook it into pScrn->driverPrivate. * pScrn->driverPrivate is initialised to NULL, so we can check if * the allocation has already been done. */ if (pScrn->driverPrivate != NULL) return TRUE; pScrn->driverPrivate = xnfcalloc(sizeof(DUMMYRec), 1); if (pScrn->driverPrivate == NULL) return FALSE; return TRUE; } static void DUMMYFreeRec(ScrnInfoPtr pScrn) { if (pScrn->driverPrivate == NULL) return; free(pScrn->driverPrivate); pScrn->driverPrivate = NULL; } static const OptionInfoRec * DUMMYAvailableOptions(int chipid, int busid) { return DUMMYOptions; } /* Mandatory */ static void DUMMYIdentify(int flags) { xf86PrintChipsets(DUMMY_NAME, "Driver for Dummy chipsets", DUMMYChipsets); } /* Mandatory */ static Bool DUMMYProbe(DriverPtr drv, int flags) { Bool foundScreen = FALSE; int numDevSections, numUsed; GDevPtr *devSections; int i; if (flags & PROBE_DETECT) return FALSE; /* * Find the config file Device sections that match this * driver, and return if there are none. */ if ((numDevSections = xf86MatchDevice(DUMMY_DRIVER_NAME, &devSections)) <= 0) { return FALSE; } numUsed = numDevSections; if (numUsed > 0) { for (i = 0; i < numUsed; i++) { ScrnInfoPtr pScrn = NULL; int entityIndex = xf86ClaimNoSlot(drv,DUMMY_CHIP,devSections[i],TRUE); /* Allocate a ScrnInfoRec and claim the slot */ if ((pScrn = xf86AllocateScreen(drv,0 ))) { xf86AddEntityToScreen(pScrn,entityIndex); pScrn->driverVersion = DUMMY_VERSION; pScrn->driverName = DUMMY_DRIVER_NAME; pScrn->name = DUMMY_NAME; pScrn->Probe = DUMMYProbe; pScrn->PreInit = DUMMYPreInit; pScrn->ScreenInit = DUMMYScreenInit; pScrn->SwitchMode = DUMMYSwitchMode; pScrn->AdjustFrame = DUMMYAdjustFrame; pScrn->EnterVT = DUMMYEnterVT; pScrn->LeaveVT = DUMMYLeaveVT; pScrn->FreeScreen = DUMMYFreeScreen; pScrn->ValidMode = DUMMYValidMode; foundScreen = TRUE; } } } free(devSections); return foundScreen; } # define RETURN \ { DUMMYFreeRec(pScrn);\ return FALSE;\ } /* Mandatory */ Bool DUMMYPreInit(ScrnInfoPtr pScrn, int flags) { ClockRangePtr clockRanges; int i; DUMMYPtr dPtr; int maxClock = 300000; GDevPtr device = xf86GetEntityInfo(pScrn->entityList[0])->device; if (flags & PROBE_DETECT) return TRUE; /* Allocate the DummyRec driverPrivate */ if (!DUMMYGetRec(pScrn)) { return FALSE; } dPtr = DUMMYPTR(pScrn); pScrn->chipset = (char *)xf86TokenToString(DUMMYChipsets, DUMMY_CHIP); xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Chipset is a DUMMY\n"); pScrn->monitor = pScrn->confScreen->monitor; if (!xf86SetDepthBpp(pScrn, 0, 0, 0, Support24bppFb | Support32bppFb)) return FALSE; else { /* Check that the returned depth is one we support */ switch (pScrn->depth) { case 8: case 15: case 16: case 24: case 30: break; default: xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Given depth (%d) is not supported by this driver\n", pScrn->depth); return FALSE; } } xf86PrintDepthBpp(pScrn); if (pScrn->depth == 8) pScrn->rgbBits = 8; /* Get the depth24 pixmap format */ if (pScrn->depth == 24 && pix24bpp == 0) pix24bpp = xf86GetBppFromDepth(pScrn, 24); /* * This must happen after pScrn->display has been set because * xf86SetWeight references it. */ if (pScrn->depth > 8) { /* The defaults are OK for us */ rgb zeros = {0, 0, 0}; if (!xf86SetWeight(pScrn, zeros, zeros)) { return FALSE; } else { /* XXX check that weight returned is supported */ ; } } if (!xf86SetDefaultVisual(pScrn, -1)) return FALSE; if (pScrn->depth > 1) { Gamma zeros = {0.0, 0.0, 0.0}; if (!xf86SetGamma(pScrn, zeros)) return FALSE; } xf86CollectOptions(pScrn, device->options); /* Process the options */ if (!(dPtr->Options = malloc(sizeof(DUMMYOptions)))) return FALSE; memcpy(dPtr->Options, DUMMYOptions, sizeof(DUMMYOptions)); xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, dPtr->Options); xf86GetOptValBool(dPtr->Options, OPTION_SW_CURSOR,&dPtr->swCursor); if (device->videoRam != 0) { pScrn->videoRam = device->videoRam; xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "VideoRAM: %d kByte\n", pScrn->videoRam); } else { pScrn->videoRam = 4096; xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "VideoRAM: %d kByte\n", pScrn->videoRam); } if (device->dacSpeeds[0] != 0) { maxClock = device->dacSpeeds[0]; xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Max Clock: %d kHz\n", maxClock); } else { xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "Max Clock: %d kHz\n", maxClock); } pScrn->progClock = TRUE; /* * Setup the ClockRanges, which describe what clock ranges are available, * and what sort of modes they can be used for. */ clockRanges = (ClockRangePtr)xnfcalloc(sizeof(ClockRange), 1); clockRanges->next = NULL; clockRanges->ClockMulFactor = 1; clockRanges->minClock = 11000; /* guessed ยงยงยง */ clockRanges->maxClock = maxClock; clockRanges->clockIndex = -1; /* programmable */ clockRanges->interlaceAllowed = TRUE; clockRanges->doubleScanAllowed = TRUE; /* Subtract memory for HW cursor */ { int apertureSize = (pScrn->videoRam * 1024); i = xf86ValidateModes(pScrn, pScrn->monitor->Modes, pScrn->display->modes, clockRanges, NULL, 256, DUMMY_MAX_WIDTH, (8 * pScrn->bitsPerPixel), 128, DUMMY_MAX_HEIGHT, pScrn->display->virtualX, pScrn->display->virtualY, apertureSize, LOOKUP_BEST_REFRESH); if (i == -1) RETURN; } /* Prune the modes marked as invalid */ xf86PruneDriverModes(pScrn); if (i == 0 || pScrn->modes == NULL) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes found\n"); RETURN; } /* * Set the CRTC parameters for all of the modes based on the type * of mode, and the chipset's interlace requirements. * * Calling this is required if the mode->Crtc* values are used by the * driver and if the driver doesn't provide code to set them. They * are not pre-initialised at all. */ xf86SetCrtcForModes(pScrn, 0); /* Set the current mode to the first in the list */ pScrn->currentMode = pScrn->modes; /* Print the list of modes being used */ xf86PrintModes(pScrn); /* If monitor resolution is set on the command line, use it */ xf86SetDpi(pScrn, 0, 0); if (xf86LoadSubModule(pScrn, "fb") == NULL) { RETURN; } if (!dPtr->swCursor) { if (!xf86LoadSubModule(pScrn, "ramdac")) RETURN; } /* We have no contiguous physical fb in physical memory */ pScrn->memPhysBase = 0; pScrn->fbOffset = 0; return TRUE; } #undef RETURN /* Mandatory */ static Bool DUMMYEnterVT(VT_FUNC_ARGS_DECL) { return TRUE; } /* Mandatory */ static void DUMMYLeaveVT(VT_FUNC_ARGS_DECL) { } static void DUMMYLoadPalette( ScrnInfoPtr pScrn, int numColors, int *indices, LOCO *colors, VisualPtr pVisual ){ int i, index, shift, Gshift; DUMMYPtr dPtr = DUMMYPTR(pScrn); switch(pScrn->depth) { case 15: shift = Gshift = 1; break; case 16: shift = 0; Gshift = 0; break; default: shift = Gshift = 0; break; } for(i = 0; i < numColors; i++) { index = indices[i]; dPtr->colors[index].red = colors[index].red << shift; dPtr->colors[index].green = colors[index].green << Gshift; dPtr->colors[index].blue = colors[index].blue << shift; } } static ScrnInfoPtr DUMMYScrn; /* static-globalize it */ /* Mandatory */ static Bool DUMMYScreenInit(SCREEN_INIT_ARGS_DECL) { ScrnInfoPtr pScrn; DUMMYPtr dPtr; int ret; VisualPtr visual; void *pixels; /* * we need to get the ScrnInfoRec for this screen, so let's allocate * one first thing */ pScrn = xf86ScreenToScrn(pScreen); dPtr = DUMMYPTR(pScrn); DUMMYScrn = pScrn; if (!(pixels = malloc(pScrn->videoRam * 1024))) return FALSE; /* * Reset visual list. */ miClearVisualTypes(); /* Setup the visuals we support. */ if (!miSetVisualTypes(pScrn->depth, miGetDefaultVisualMask(pScrn->depth), pScrn->rgbBits, pScrn->defaultVisual)) return FALSE; if (!miSetPixmapDepths ()) return FALSE; /* * Call the framebuffer layer's ScreenInit function, and fill in other * pScreen fields. */ ret = fbScreenInit(pScreen, pixels, pScrn->virtualX, pScrn->virtualY, pScrn->xDpi, pScrn->yDpi, pScrn->displayWidth, pScrn->bitsPerPixel); if (!ret) return FALSE; if (pScrn->depth > 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 */ fbPictureInit(pScreen, 0, 0); xf86SetBlackWhitePixels(pScreen); /* initialize XRANDR */ xf86CrtcConfigInit(pScrn, &DUMMYCrtcConfigFuncs); /* FIXME */ dPtr->num_screens = DUMMY_MAX_SCREENS; for (int i=0; i < dPtr->num_screens; i++) { char szOutput[256]; dPtr->paCrtcs[i] = xf86CrtcCreate(pScrn, &DUMMYCrtcFuncs); dPtr->paCrtcs[i]->driver_private = (void *)(uintptr_t)i; /* Set up our virtual outputs. */ snprintf(szOutput, sizeof(szOutput), "DUMMY%u", i); dPtr->paOutputs[i] = xf86OutputCreate(pScrn, &DUMMYOutputFuncs, szOutput); xf86OutputUseScreenMonitor(dPtr->paOutputs[i], FALSE); dPtr->paOutputs[i]->possible_crtcs = 1 << i; dPtr->paOutputs[i]->possible_clones = 0; dPtr->paOutputs[i]->driver_private = (void *)(uintptr_t)i; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Created crtc (%p) and output %s (%p)\n", (void *)dPtr->paCrtcs[i], szOutput, (void *)dPtr->paOutputs[i]); } /* bitmask */ dPtr->connected_outputs = 1; xf86CrtcSetSizeRange(pScrn, 64, 64, DUMMY_MAX_WIDTH, DUMMY_MAX_HEIGHT); /* Now create our initial CRTC/output configuration. */ if (!xf86InitialConfiguration(pScrn, TRUE)) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Initial CRTC configuration failed!\n"); return (FALSE); } /* Initialise randr 1.2 mode-setting functions and set first mode. * Note that the mode won't be usable until the server has resized the * framebuffer to something reasonable. */ if (!xf86CrtcScreenInit(pScreen)) { return FALSE; } if (!xf86SetDesiredModes(pScrn)) { return FALSE; } /* XRANDR initialization end */ if (dPtr->swCursor) xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Using Software Cursor.\n"); { BoxRec AvailFBArea; int lines = pScrn->videoRam * 1024 / (pScrn->displayWidth * (pScrn->bitsPerPixel >> 3)); AvailFBArea.x1 = 0; AvailFBArea.y1 = 0; AvailFBArea.x2 = pScrn->displayWidth; AvailFBArea.y2 = lines; xf86InitFBManager(pScreen, &AvailFBArea); xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Using %i scanlines of offscreen memory \n" , lines - pScrn->virtualY); } xf86SetBackingStore(pScreen); xf86SetSilkenMouse(pScreen); /* Initialise cursor functions */ miDCInitialize (pScreen, xf86GetPointerScreenFuncs()); if (!dPtr->swCursor) { /* HW cursor functions */ if (!DUMMYCursorInit(pScreen)) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Hardware cursor initialization failed\n"); return FALSE; } } /* Initialise default colourmap */ if(!miCreateDefColormap(pScreen)) return FALSE; if (!xf86HandleColormaps(pScreen, 1024, pScrn->rgbBits, DUMMYLoadPalette, NULL, CMAP_PALETTED_TRUECOLOR | CMAP_RELOAD_ON_MODE_SWITCH)) return FALSE; pScreen->SaveScreen = DUMMYSaveScreen; /* Wrap the current CloseScreen function */ dPtr->CloseScreen = pScreen->CloseScreen; pScreen->CloseScreen = DUMMYCloseScreen; /* Wrap the current CreateWindow function */ dPtr->CreateWindow = pScreen->CreateWindow; pScreen->CreateWindow = DUMMYCreateWindow; /* Report any unused options (only for the first generation) */ if (serverGeneration == 1) { xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options); } return TRUE; } /* Mandatory */ Bool DUMMYSwitchMode(SWITCH_MODE_ARGS_DECL) { return TRUE; } /* Mandatory */ void DUMMYAdjustFrame(ADJUST_FRAME_ARGS_DECL) { } /* Mandatory */ static Bool DUMMYCloseScreen(CLOSE_SCREEN_ARGS_DECL) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); DUMMYPtr dPtr = DUMMYPTR(pScrn); free(pScreen->GetScreenPixmap(pScreen)->devPrivate.ptr); if (dPtr->CursorInfo) xf86DestroyCursorInfoRec(dPtr->CursorInfo); pScrn->vtSema = FALSE; pScreen->CloseScreen = dPtr->CloseScreen; return (*pScreen->CloseScreen)(CLOSE_SCREEN_ARGS); } /* Optional */ static void DUMMYFreeScreen(FREE_SCREEN_ARGS_DECL) { SCRN_INFO_PTR(arg); DUMMYFreeRec(pScrn); } static Bool DUMMYSaveScreen(ScreenPtr pScreen, int mode) { return TRUE; } /* Optional */ static ModeStatus DUMMYValidMode(SCRN_ARG_TYPE arg, DisplayModePtr mode, Bool verbose, int flags) { return(MODE_OK); } Atom VFB_PROP = 0; #define VFB_PROP_NAME "VFB_IDENT" static Bool DUMMYCreateWindow(WindowPtr pWin) { ScreenPtr pScreen = pWin->drawable.pScreen; DUMMYPtr dPtr = DUMMYPTR(DUMMYScrn); WindowPtr pWinRoot; int ret; pScreen->CreateWindow = dPtr->CreateWindow; ret = pScreen->CreateWindow(pWin); dPtr->CreateWindow = pScreen->CreateWindow; pScreen->CreateWindow = DUMMYCreateWindow; if(ret != TRUE) return(ret); if(dPtr->prop == FALSE) { #if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 8 pWinRoot = WindowTable[DUMMYScrn->pScreen->myNum]; #else pWinRoot = DUMMYScrn->pScreen->root; #endif if (! ValidAtom(VFB_PROP)) VFB_PROP = MakeAtom(VFB_PROP_NAME, strlen(VFB_PROP_NAME), 1); ret = dixChangeWindowProperty(serverClient, pWinRoot, VFB_PROP, XA_STRING, 8, PropModeReplace, (int)4, (pointer)"TRUE", FALSE); if( ret != Success) ErrorF("Could not set VFB root window property"); dPtr->prop = TRUE; return TRUE; } return TRUE; } #ifndef HW_SKIP_CONSOLE #define HW_SKIP_CONSOLE 4 #endif static Bool dummyDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, pointer ptr) { CARD32 *flag; switch (op) { case GET_REQUIRED_HW_INTERFACES: flag = (CARD32*)ptr; (*flag) = HW_SKIP_CONSOLE; return TRUE; default: return FALSE; } }