diff --git a/hw/xfree86/drivers/video/dummy/COPYING b/hw/xfree86/drivers/video/dummy/COPYING new file mode 100644 index 0000000000..3c1ef4812d --- /dev/null +++ b/hw/xfree86/drivers/video/dummy/COPYING @@ -0,0 +1,2 @@ +Copyright 2002, SuSE Linux AG, Author: Egbert Eich + diff --git a/hw/xfree86/drivers/video/dummy/README.md b/hw/xfree86/drivers/video/dummy/README.md new file mode 100644 index 0000000000..d24c01d188 --- /dev/null +++ b/hw/xfree86/drivers/video/dummy/README.md @@ -0,0 +1,18 @@ +xf86-video-dummy - virtual/offscreen frame buffer driver for the Xorg X server +------------------------------------------------------------------------------ + +All questions regarding this software should be directed at the +Xorg mailing list: + + https://lists.x.org/mailman/listinfo/xorg + +The primary development code repository can be found at: + + https://gitlab.freedesktop.org/xorg/driver/xf86-video-dummy + +Please submit bug reports and requests to merge patches there. + +For patch submission instructions, see: + + https://www.x.org/wiki/Development/Documentation/SubmittingPatches + diff --git a/hw/xfree86/drivers/video/dummy/src/dummy.h b/hw/xfree86/drivers/video/dummy/src/dummy.h new file mode 100644 index 0000000000..d4e2e5d2be --- /dev/null +++ b/hw/xfree86/drivers/video/dummy/src/dummy.h @@ -0,0 +1,65 @@ + +/* All drivers should typically include these */ +#include "xf86.h" +#include "xf86_OSproc.h" + +#include "xf86Cursor.h" + +#ifdef XvExtension +#include "xf86xv.h" +#include +#endif +#include + +#define DUMMY_MAX_SCREENS 16 + +/* Supported chipsets */ +typedef enum { + DUMMY_CHIP +} DUMMYType; + +/* function prototypes */ + +extern Bool DUMMYSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr mode); +extern void DUMMYAdjustFrame(ScrnInfoPtr pScrn, int x, int y); + +/* in dummy_cursor.c */ +extern Bool DUMMYCursorInit(ScreenPtr pScrn); +extern void DUMMYShowCursor(ScrnInfoPtr pScrn); +extern void DUMMYHideCursor(ScrnInfoPtr pScrn); + +/* globals */ +typedef struct _color +{ + int red; + int green; + int blue; +} dummy_colors; + +typedef struct dummyRec +{ + /* options */ + OptionInfoPtr Options; + Bool swCursor; + /* proc pointer */ + CloseScreenProcPtr CloseScreen; + xf86CursorInfoPtr CursorInfo; + + Bool DummyHWCursorShown; + int cursorX, cursorY; + int cursorFG, cursorBG; + + dummy_colors colors[1024]; + Bool (*CreateWindow)(WindowPtr) ; /* wrapped CreateWindow */ + Bool prop; + /* XRANDR support begin */ + int num_screens; + struct _xf86Crtc *paCrtcs[DUMMY_MAX_SCREENS]; + struct _xf86Output *paOutputs[DUMMY_MAX_SCREENS]; + int connected_outputs; + /* XRANDR support end */ +} DUMMYRec, *DUMMYPtr; + +/* The privates of the DUMMY driver */ +#define DUMMYPTR(p) ((DUMMYPtr)((p)->driverPrivate)) + diff --git a/hw/xfree86/drivers/video/dummy/src/dummy_cursor.c b/hw/xfree86/drivers/video/dummy/src/dummy_cursor.c new file mode 100644 index 0000000000..d7c67c6962 --- /dev/null +++ b/hw/xfree86/drivers/video/dummy/src/dummy_cursor.c @@ -0,0 +1,102 @@ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +/* All drivers should typically include these */ +#include "xf86.h" +#include "xf86_OSproc.h" + +#include "xf86Cursor.h" +#include "cursorstr.h" +/* Driver specific headers */ +#include "dummy.h" + +static void +dummyShowCursor(ScrnInfoPtr pScrn) +{ + DUMMYPtr dPtr = DUMMYPTR(pScrn); + + /* turn cursor on */ + dPtr->DummyHWCursorShown = TRUE; +} + +static void +dummyHideCursor(ScrnInfoPtr pScrn) +{ + DUMMYPtr dPtr = DUMMYPTR(pScrn); + + /* + * turn cursor off + * + */ + dPtr->DummyHWCursorShown = FALSE; +} + +#define MAX_CURS 64 + +static void +dummySetCursorPosition(ScrnInfoPtr pScrn, int x, int y) +{ + DUMMYPtr dPtr = DUMMYPTR(pScrn); + + dPtr->cursorX = x; + dPtr->cursorY = y; +} + +static void +dummySetCursorColors(ScrnInfoPtr pScrn, int bg, int fg) +{ + DUMMYPtr dPtr = DUMMYPTR(pScrn); + + dPtr->cursorFG = fg; + dPtr->cursorBG = bg; +} + +static void +dummyLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src) +{ +} + +static Bool +dummyUseHWCursor(ScreenPtr pScr, CursorPtr pCurs) +{ + DUMMYPtr dPtr = DUMMYPTR(xf86ScreenToScrn(pScr)); + return(!dPtr->swCursor); +} + +#if 0 +static unsigned char* +dummyRealizeCursor(xf86CursorInfoPtr infoPtr, CursorPtr pCurs) +{ + return NULL; +} +#endif + +Bool +DUMMYCursorInit(ScreenPtr pScreen) +{ + DUMMYPtr dPtr = DUMMYPTR(xf86ScreenToScrn(pScreen)); + + xf86CursorInfoPtr infoPtr; + infoPtr = xf86CreateCursorInfoRec(); + if(!infoPtr) return FALSE; + + dPtr->CursorInfo = infoPtr; + + infoPtr->MaxHeight = 64; + infoPtr->MaxWidth = 64; + infoPtr->Flags = HARDWARE_CURSOR_TRUECOLOR_AT_8BPP; + + infoPtr->SetCursorColors = dummySetCursorColors; + infoPtr->SetCursorPosition = dummySetCursorPosition; + infoPtr->LoadCursorImage = dummyLoadCursorImage; + infoPtr->HideCursor = dummyHideCursor; + infoPtr->ShowCursor = dummyShowCursor; + infoPtr->UseHWCursor = dummyUseHWCursor; +/* infoPtr->RealizeCursor = dummyRealizeCursor; */ + + return(xf86InitCursor(pScreen, infoPtr)); +} + + + diff --git a/hw/xfree86/drivers/video/dummy/src/dummy_driver.c b/hw/xfree86/drivers/video/dummy/src/dummy_driver.c new file mode 100644 index 0000000000..0f517a1be3 --- /dev/null +++ b/hw/xfree86/drivers/video/dummy/src/dummy_driver.c @@ -0,0 +1,1063 @@ + +/* + * 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(ScreenPtr pScreen, int argc, char **argv); +static Bool DUMMYEnterVT(ScrnInfoPtr pScrn); +static void DUMMYLeaveVT(ScrnInfoPtr pScrn); +static Bool DUMMYCloseScreen(ScreenPtr pScreen); +static Bool DUMMYCreateWindow(WindowPtr pWin); +static void DUMMYFreeScreen(ScrnInfoPtr pScrn); +static ModeStatus DUMMYValidMode(ScrnInfoPtr pScrn, 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; + +Atom width_mm_atom = 0; +#define WIDTH_MM_NAME "WIDTH_MM" +Atom height_mm_atom = 0; +#define HEIGHT_MM_NAME "HEIGHT_MM" + +/* + * 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); + uintptr_t index = (uintptr_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); + uintptr_t index = (uintptr_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 = XNFcallocarray(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 void +dummy_output_register_prop(xf86OutputPtr output, Atom prop, uint64_t value) +{ + INT32 dims_range[2] = { 0, 65535 }; + int err; + + err = RRConfigureOutputProperty(output->randr_output, prop, FALSE, + TRUE, FALSE, 2, dims_range); + if (err != 0) + xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, + "RRConfigureOutputProperty error, %d\n", err); + + err = RRChangeOutputProperty(output->randr_output, prop, XA_INTEGER, + 32, PropModeReplace, 1, &value, FALSE, FALSE); + if (err != 0) + xf86DrvMsg(output->scrn->scrnIndex, X_ERROR, + "RRChangeOutputProperty error, %d\n", err); +} + +static void +dummy_output_create_resources(xf86OutputPtr output) +{ + if (!ValidAtom(width_mm_atom)) + width_mm_atom = MakeAtom(WIDTH_MM_NAME, strlen(WIDTH_MM_NAME), 1); + if (!ValidAtom(height_mm_atom)) + height_mm_atom = MakeAtom(HEIGHT_MM_NAME, strlen(HEIGHT_MM_NAME), 1); + + dummy_output_register_prop(output, width_mm_atom, 0); + dummy_output_register_prop(output, height_mm_atom, 0); +} + +static Bool dummy_output_set_property(xf86OutputPtr output, Atom property, + RRPropertyValuePtr value) +{ + + if (property == width_mm_atom || property == height_mm_atom) { + INT32 val; + + if (value->type != XA_INTEGER || value->format != 32 || + value->size != 1) + { + return FALSE; + } + + val = *(INT32 *)value->data; + if (property == width_mm_atom) + output->mm_width = val; + else if (property == height_mm_atom) + output->mm_height = val; + return TRUE; + } + return TRUE; +} + + +static const xf86OutputFuncsRec DUMMYOutputFuncs = { + .create_resources = dummy_output_create_resources, + .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 = dummy_output_set_property, +#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); + 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 = XNFcallocarray(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)XNFcallocarray(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(ScrnInfoPtr pScrn) +{ + return TRUE; +} + +/* Mandatory */ +static void +DUMMYLeaveVT(ScrnInfoPtr pScrn) +{ +} + +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(ScreenPtr pScreen, int argc, char **argv) +{ + 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)) { + free(pixels); + return FALSE; + } + + if (!miSetPixmapDepths ()) { + free(pixels); + 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(ScrnInfoPtr pScrn, DisplayModePtr mode) +{ + return TRUE; +} + +/* Mandatory */ +void +DUMMYAdjustFrame(ScrnInfoPtr pScrn, int x, int y) +{ +} + +/* Mandatory */ +static Bool +DUMMYCloseScreen(ScreenPtr pScreen) +{ + 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)(pScreen); +} + +/* Optional */ +static void +DUMMYFreeScreen(ScrnInfoPtr pScrn) +{ + DUMMYFreeRec(pScrn); +} + +static Bool +DUMMYSaveScreen(ScreenPtr pScreen, int mode) +{ + return TRUE; +} + +/* Optional */ +static ModeStatus +DUMMYValidMode(ScrnInfoPtr pScrn, 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) { + pWinRoot = DUMMYScrn->pScreen->root; + + 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; + } +}