Edit
IABSD.fr/xenocara/driver/xf86-video-wsfb/src/wsfb_driver.c
matthieu
- driver/xf86-video-wsfb/src/wsfb_driver.c
-
/* $OpenBSD: wsfb_driver.c,v 1.46 2026/05/08 15:29:45 matthieu Exp $ */ /* * Copyright © 2001-2012 Matthieu Herrb * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * */ /* * Based on fbdev.c written by: * * Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk> * Michel Dänzer, <michdaen@iiic.ethz.ch> */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <errno.h> #include <fcntl.h> #include <unistd.h> #include <sys/ioctl.h> #include <sys/types.h> #include <sys/mman.h> #include <sys/time.h> #include <sys/utsname.h> #include <dev/wscons/wsconsio.h> /* All drivers need this. */ #include "xf86.h" #include "xf86_OSproc.h" #include "mipointer.h" #include "micmap.h" #include "colormapst.h" #include "xf86cmap.h" #include "shadow.h" #include "dgaproc.h" #include <xf86Priv.h> /* For visuals */ #include "fb.h" #ifdef XvExtension #include "xf86xv.h" #endif #include "xorgVersion.h" #include "compat-api.h" #ifdef X_PRIVSEP extern int priv_open_device(const char *); #else #define priv_open_device(n) open(n,O_RDWR|O_NONBLOCK|O_EXCL) #endif #if defined(__NetBSD__) #define WSFB_DEFAULT_DEV "/dev/ttyE0" #else #define WSFB_DEFAULT_DEV "/dev/ttyC0" #endif #define DEBUG 0 #if DEBUG # define TRACE_ENTER(str) ErrorF("wsfb: " str " %d\n",pScrn->scrnIndex) # define TRACE_EXIT(str) ErrorF("wsfb: " str " done\n") # define TRACE(str) ErrorF("wsfb trace: " str "\n") #else # define TRACE_ENTER(str) # define TRACE_EXIT(str) # define TRACE(str) #endif /* Prototypes */ static pointer WsfbSetup(pointer, pointer, int *, int *); static Bool WsfbGetRec(ScrnInfoPtr); static void WsfbFreeRec(ScrnInfoPtr); static const OptionInfoRec * WsfbAvailableOptions(int, int); static void WsfbIdentify(int); static Bool WsfbProbe(DriverPtr, int); static Bool WsfbPreInit(ScrnInfoPtr, int); static Bool WsfbScreenInit(SCREEN_INIT_ARGS_DECL); static Bool WsfbCloseScreen(CLOSE_SCREEN_ARGS_DECL); static void *WsfbWindowLinear(ScreenPtr, CARD32, CARD32, int, CARD32 *, void *); static void *WsfbWindowAfb(ScreenPtr, CARD32, CARD32, int, CARD32 *, void *); static void WsfbPointerMoved(SCRN_ARG_TYPE, int, int); static Bool WsfbEnterVT(VT_FUNC_ARGS_DECL); static void WsfbLeaveVT(VT_FUNC_ARGS_DECL); static Bool WsfbSwitchMode(SWITCH_MODE_ARGS_DECL); static int WsfbValidMode(SCRN_ARG_TYPE, DisplayModePtr, Bool, int); static void WsfbLoadPalette(ScrnInfoPtr, int, int *, LOCO *, VisualPtr); static Bool WsfbSaveScreen(ScreenPtr, int); static void WsfbSave(ScrnInfoPtr); static void WsfbRestore(ScrnInfoPtr); /* DGA stuff */ #ifdef XFreeXDGA static Bool WsfbDGAOpenFramebuffer(ScrnInfoPtr, char **, unsigned char **, int *, int *, int *); static Bool WsfbDGASetMode(ScrnInfoPtr, DGAModePtr); static void WsfbDGASetViewport(ScrnInfoPtr, int, int, int); static Bool WsfbDGAInit(ScrnInfoPtr, ScreenPtr); #endif static Bool WsfbDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, pointer ptr); /* Helper functions */ static int wsfb_open(const char *); static pointer wsfb_mmap(size_t, off_t, int); enum { WSFB_ROTATE_NONE = 0, WSFB_ROTATE_CCW = 90, WSFB_ROTATE_UD = 180, WSFB_ROTATE_CW = 270 }; /* * This is intentionally screen-independent. * It indicates the binding choice made in the first PreInit. */ static int pix24bpp = 0; #define WSFB_VERSION 4000 #define WSFB_NAME "wsfb" #define WSFB_DRIVER_NAME "wsfb" _X_EXPORT DriverRec WSFB = { .driverVersion = WSFB_VERSION, .driverName = (char *)WSFB_DRIVER_NAME, .Identify = WsfbIdentify, .Probe = WsfbProbe, .AvailableOptions = WsfbAvailableOptions, .driverFunc = WsfbDriverFunc }; /* Supported "chipsets" */ static SymTabRec WsfbChipsets[] = { { 0, "wsfb" }, { -1, NULL } }; /* Supported options */ typedef enum { OPTION_SHADOW_FB, OPTION_ROTATE } WsfbOpts; static const OptionInfoRec WsfbOptions[] = { { OPTION_SHADOW_FB, "ShadowFB", OPTV_BOOLEAN, {0}, FALSE}, { OPTION_ROTATE, "Rotate", OPTV_STRING, {0}, FALSE}, { -1, NULL, OPTV_NONE, {0}, FALSE} }; static XF86ModuleVersionInfo WsfbVersRec = { "wsfb", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XORG_VERSION_CURRENT, PACKAGE_VERSION_MAJOR, PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCHLEVEL, ABI_CLASS_VIDEODRV, ABI_VIDEODRV_VERSION, NULL, {0, 0, 0, 0} }; _X_EXPORT XF86ModuleData wsfbModuleData = { &WsfbVersRec, WsfbSetup, NULL }; static pointer WsfbSetup(pointer module, pointer opts, int *errmaj, int *errmin) { static Bool setupDone = FALSE; #if !defined(__OpenBSD__) && !defined(__NetBSD__) return NULL; #endif if (!setupDone) { setupDone = TRUE; xf86AddDriver(&WSFB, module, HaveDriverFuncs); return (pointer)1; } else { if (errmaj != NULL) *errmaj = LDR_ONCEONLY; return NULL; } } /* Private data */ typedef struct { int fd; /* File descriptor of open device. */ struct wsdisplay_fbinfo info; /* Frame buffer characteristics. */ int linebytes; /* Number of bytes per row. */ int wstype; /* wsdisplay type. */ unsigned char* fbstart; unsigned char* fbmem; size_t fbmem_len; int rotate; Bool shadowFB; Bool planarAfb; void * shadow; CloseScreenProcPtr CloseScreen; CreateScreenResourcesProcPtr CreateScreenResources; void (*PointerMoved)(SCRN_ARG_TYPE, int, int); EntityInfoPtr pEnt; struct wsdisplay_cmap saved_cmap; #ifdef XFreeXDGA /* DGA info */ DGAModePtr pDGAMode; int nDGAMode; #endif OptionInfoPtr Options; } WsfbRec, *WsfbPtr; #define WSFBPTR(p) ((WsfbPtr)((p)->driverPrivate)) static Bool WsfbGetRec(ScrnInfoPtr pScrn) { if (pScrn->driverPrivate != NULL) return TRUE; pScrn->driverPrivate = XNFcallocarray(sizeof(WsfbRec), 1); return TRUE; } static void WsfbFreeRec(ScrnInfoPtr pScrn) { if (pScrn->driverPrivate == NULL) return; free(pScrn->driverPrivate); pScrn->driverPrivate = NULL; } static const OptionInfoRec * WsfbAvailableOptions(int chipid, int busid) { return WsfbOptions; } static void WsfbIdentify(int flags) { xf86PrintChipsets(WSFB_NAME, "driver for wsdisplay framebuffer", WsfbChipsets); } /* Open the framebuffer device. */ static int wsfb_open(const char *dev) { int fd = -1; /* Try argument from xorg.conf first. */ if (dev == NULL || ((fd = priv_open_device(dev)) == -1)) { /* Second: environment variable. */ dev = getenv("XDEVICE"); if (dev == NULL || ((fd = priv_open_device(dev)) == -1)) { if (xf86Info.consoleFd > 0) { fd = xf86Info.consoleFd; } else { /* Last try: default device. */ dev = WSFB_DEFAULT_DEV; if ((fd = priv_open_device(dev)) == -1) { return -1; } } } } return fd; } /* Map the framebuffer's memory. */ static pointer wsfb_mmap(size_t len, off_t off, int fd) { int pagemask, mapsize; caddr_t addr; pointer mapaddr; pagemask = getpagesize() - 1; mapsize = ((int) len + pagemask) & ~pagemask; addr = 0; /* * Try and make it private first, that way once we get it, an * interloper, e.g. another server, can't get this frame buffer, * and if another server already has it, this one won't. */ mapaddr = (pointer) mmap(addr, mapsize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, off); if (mapaddr == (pointer) -1) { mapaddr = NULL; } #if DEBUG ErrorF("mmap returns: addr %p len 0x%x\n", mapaddr, mapsize); #endif return mapaddr; } static Bool WsfbProbe(DriverPtr drv, int flags) { int i, fd, entity; GDevPtr *devSections; int numDevSections; const 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(WSFB_DRIVER_NAME, &devSections)) <= 0) return FALSE; for (i = 0; i < numDevSections; i++) { ScrnInfoPtr pScrn = NULL; dev = xf86FindOptionValue(devSections[i]->options, "device"); if ((fd = wsfb_open(dev)) >= 0) { entity = xf86ClaimFbSlot(drv, 0, devSections[i], TRUE); pScrn = xf86ConfigFbEntity(NULL,0,entity, NULL,NULL,NULL,NULL); if (pScrn != NULL) { foundScreen = TRUE; pScrn->driverVersion = WSFB_VERSION; pScrn->driverName = (char *)WSFB_DRIVER_NAME; pScrn->name = (char *)WSFB_NAME; pScrn->Probe = WsfbProbe; pScrn->PreInit = WsfbPreInit; pScrn->ScreenInit = WsfbScreenInit; pScrn->SwitchMode = WsfbSwitchMode; pScrn->AdjustFrame = NULL; pScrn->EnterVT = WsfbEnterVT; pScrn->LeaveVT = WsfbLeaveVT; pScrn->ValidMode = WsfbValidMode; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "using %s\n", dev != NULL ? dev : "default device"); } } } free(devSections); TRACE("probe done"); return foundScreen; } static Bool WsfbPreInit(ScrnInfoPtr pScrn, int flags) { WsfbPtr fPtr; int defaultDepth, depths, flags24; const char *dev; const char *s; Gamma zeros = {0.0, 0.0, 0.0}; DisplayModePtr mode; if (flags & PROBE_DETECT) return FALSE; TRACE_ENTER("PreInit"); if (pScrn->numEntities != 1) return FALSE; pScrn->monitor = pScrn->confScreen->monitor; WsfbGetRec(pScrn); fPtr = WSFBPTR(pScrn); fPtr->pEnt = xf86GetEntityInfo(pScrn->entityList[0]); dev = xf86FindOptionValue(fPtr->pEnt->device->options, "device"); fPtr->fd = wsfb_open(dev); if (fPtr->fd == -1) { return FALSE; } if (ioctl(fPtr->fd, WSDISPLAYIO_GTYPE, &(fPtr->wstype)) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "ioctl WSDISPLAY_GTYPE: %s\n", strerror(errno)); return FALSE; } /* * Depth */ defaultDepth = 0; if (ioctl(fPtr->fd, WSDISPLAYIO_GETSUPPORTEDDEPTH, &depths) == 0) { /* Preferred order for default depth selection. */ if (depths & WSDISPLAYIO_DEPTH_16) defaultDepth = 16; else if (depths & WSDISPLAYIO_DEPTH_15) defaultDepth = 15; else if (depths & WSDISPLAYIO_DEPTH_8) defaultDepth = 8; else if (depths & WSDISPLAYIO_DEPTH_24) defaultDepth = 24; else if (depths & WSDISPLAYIO_DEPTH_30) defaultDepth = 30; else if (depths & WSDISPLAYIO_DEPTH_4) defaultDepth = 4; else if (depths & WSDISPLAYIO_DEPTH_1) defaultDepth = 1; flags24 = 0; if (depths & WSDISPLAYIO_DEPTH_24_24) flags24 |= Support24bppFb; if (depths & WSDISPLAYIO_DEPTH_24_32) flags24 |= Support32bppFb; if (!flags24) flags24 = Support24bppFb; } else { /* Old way */ if (ioctl(fPtr->fd, WSDISPLAYIO_GINFO, &fPtr->info) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "no way to get depth info: %s\n", strerror(errno)); return FALSE; } if (fPtr->info.depth == 8) { /* * We might run on a byte addressable frame buffer, * but with less than 8 bits per pixel. * We can know this from the colormap size. */ defaultDepth = 1; while ((1 << defaultDepth) < fPtr->info.cmsize) defaultDepth++; } else defaultDepth = fPtr->info.depth <= 24 ? fPtr->info.depth : 24; if (fPtr->info.depth >= 24) flags24 = Support24bppFb|Support32bppFb; else flags24 = 0; } /* Prefer 24bpp for fb since it potentially allows larger modes. */ if (flags24 & Support24bppFb) flags24 |= SupportConvert32to24 | PreferConvert32to24; if (!xf86SetDepthBpp(pScrn, defaultDepth, 0, fPtr->info.depth, flags24)) return FALSE; if (fPtr->wstype == WSDISPLAY_TYPE_PCIVGA) { /* Set specified mode. */ if (pScrn->display->modes != NULL && pScrn->display->modes[0] != NULL) { struct wsdisplay_gfx_mode gfxmode; if (sscanf(pScrn->display->modes[0], "%dx%d", &gfxmode.width, &gfxmode.height) != 2) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Can't parse mode name %s\n", pScrn->display->modes[0]); return FALSE; } gfxmode.depth = pScrn->bitsPerPixel; if (ioctl(fPtr->fd, WSDISPLAYIO_SETGFXMODE, &gfxmode) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "ioctl WSDISPLAY_SETGFXMODE: %s\n", strerror(errno)); return FALSE; } } } if (ioctl(fPtr->fd, WSDISPLAYIO_GINFO, &fPtr->info) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "ioctl WSDISPLAY_GINFO: %s\n", strerror(errno)); return FALSE; } if (ioctl(fPtr->fd, WSDISPLAYIO_LINEBYTES, &fPtr->linebytes) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "ioctl WSDISPLAYIO_LINEBYTES: %s\n", strerror(errno)); return FALSE; } /* * Quirk for LUNA: LUNA's video memory is organized in 'planar'. */ if (fPtr->wstype == WSDISPLAY_TYPE_LUNA) { if ((fPtr->info.depth == 8) && (pScrn->depth == 8)) { /* * With 8bpp, use 'planar' conversion. */ fPtr->planarAfb = TRUE; } else { /* * Otherwise, force to set 1bpp mode to use * 1bpp Xserver. */ struct wsdisplay_gfx_mode gfxmode; gfxmode.width = fPtr->info.width; gfxmode.height = fPtr->info.height; gfxmode.depth = fPtr->info.depth = 1; if (ioctl(fPtr->fd, WSDISPLAYIO_SETGFXMODE, &gfxmode) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "ioctl WSDISPLAY_SETGFXMODE: %s\n", strerror(errno)); return FALSE; } } } /* * Allocate room for saving the colormap. */ if (fPtr->info.cmsize != 0) { fPtr->saved_cmap.red = (unsigned char *)malloc(fPtr->info.cmsize); if (fPtr->saved_cmap.red == NULL) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Cannot malloc %d bytes\n", fPtr->info.cmsize); return FALSE; } fPtr->saved_cmap.green = (unsigned char *)malloc(fPtr->info.cmsize); if (fPtr->saved_cmap.green == NULL) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Cannot malloc %d bytes\n", fPtr->info.cmsize); free(fPtr->saved_cmap.red); return FALSE; } fPtr->saved_cmap.blue = (unsigned char *)malloc(fPtr->info.cmsize); if (fPtr->saved_cmap.blue == NULL) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Cannot malloc %d bytes\n", fPtr->info.cmsize); free(fPtr->saved_cmap.red); free(fPtr->saved_cmap.green); return FALSE; } } /* Check consistency. */ if (pScrn->bitsPerPixel != fPtr->info.depth) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "specified depth (%d) or bpp (%d) doesn't match " "framebuffer depth (%d)\n", pScrn->depth, pScrn->bitsPerPixel, fPtr->info.depth); 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 izeros = { 0, 0, 0 }, masks; switch (fPtr->wstype) { case WSDISPLAY_TYPE_SUN24: case WSDISPLAY_TYPE_SUNCG12: case WSDISPLAY_TYPE_SUNCG14: case WSDISPLAY_TYPE_SUNTCX: case WSDISPLAY_TYPE_SUNFFB: case WSDISPLAY_TYPE_AGTEN: case WSDISPLAY_TYPE_XVIDEO: case WSDISPLAY_TYPE_SUNLEO: case WSDISPLAY_TYPE_GBE: masks.red = 0x0000ff; masks.green = 0x00ff00; masks.blue = 0xff0000; break; case WSDISPLAY_TYPE_PXALCD: case WSDISPLAY_TYPE_SMFB: masks.red = 0x1f << 11; masks.green = 0x3f << 5; masks.blue = 0x1f; break; case WSDISPLAY_TYPE_MAC68K: if (pScrn->depth > 16) { masks.red = 0x0000ff; masks.green = 0x00ff00; masks.blue = 0xff0000; } else { masks.red = 0x1f << 11; masks.green = 0x3f << 5; masks.blue = 0x1f; } break; case WSDISPLAY_TYPE_PCIVGA: if (pScrn->depth > 16) { masks.red = 0xff0000; masks.green = 0x00ff00; masks.blue = 0x0000ff; } else { masks.red = 0x1f << 11; masks.green = 0x3f << 5; masks.blue = 0x1f; } break; default: masks.red = 0; masks.green = 0; masks.blue = 0; break; } if (!xf86SetWeight(pScrn, izeros, masks)) 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; } xf86SetGamma(pScrn,zeros); pScrn->progClock = TRUE; if (pScrn->depth == 8) pScrn->rgbBits = 6; else pScrn->rgbBits = 8; pScrn->chipset = (char *)"wsfb"; pScrn->videoRam = fPtr->linebytes * fPtr->info.height; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Vidmem: %dk\n", pScrn->videoRam/1024); /* Handle options. */ xf86CollectOptions(pScrn, NULL); fPtr->Options = (OptionInfoRec *)malloc(sizeof(WsfbOptions)); if (fPtr->Options == NULL) return FALSE; memcpy(fPtr->Options, WsfbOptions, sizeof(WsfbOptions)); xf86ProcessOptions(pScrn->scrnIndex, fPtr->pEnt->device->options, fPtr->Options); /* Use shadow framebuffer by default, on depth >= 8 */ if (pScrn->depth >= 8) fPtr->shadowFB = xf86ReturnOptValBool(fPtr->Options, OPTION_SHADOW_FB, TRUE); else if (xf86ReturnOptValBool(fPtr->Options, OPTION_SHADOW_FB, FALSE)) { xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "Shadow FB option ignored on depth < 8\n"); } /* Rotation */ fPtr->rotate = WSFB_ROTATE_NONE; if ((s = xf86GetOptValString(fPtr->Options, OPTION_ROTATE))) { if (pScrn->depth >= 8) { if (!xf86NameCmp(s, "CW")) { fPtr->shadowFB = TRUE; fPtr->rotate = WSFB_ROTATE_CW; xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Rotating screen clockwise\n"); } else if (!xf86NameCmp(s, "CCW")) { fPtr->shadowFB = TRUE; fPtr->rotate = WSFB_ROTATE_CCW; xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Rotating screen counter clockwise\n"); } else if (!xf86NameCmp(s, "UD")) { fPtr->shadowFB = TRUE; fPtr->rotate = WSFB_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"); } } else { xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "Option \"Rotate\" ignored on depth < 8\n"); } } /* Fake video mode struct. */ mode = (DisplayModePtr)malloc(sizeof(DisplayModeRec)); mode->prev = mode; mode->next = mode; mode->name = (char *)"wsfb current mode"; mode->status = MODE_OK; mode->type = M_T_BUILTIN; mode->Clock = 0; mode->HDisplay = fPtr->info.width; mode->HSyncStart = 0; mode->HSyncEnd = 0; mode->HTotal = 0; mode->HSkew = 0; mode->VDisplay = fPtr->info.height; mode->VSyncStart = 0; mode->VSyncEnd = 0; mode->VTotal = 0; mode->VScan = 0; mode->Flags = 0; pScrn->currentMode = pScrn->modes = mode; pScrn->virtualX = fPtr->info.width; pScrn->virtualY = fPtr->info.height; pScrn->displayWidth = pScrn->virtualX; /* Quirk for LUNA's framebuffer */ if (fPtr->wstype == WSDISPLAY_TYPE_LUNA) pScrn->displayWidth = fPtr->linebytes * 8; /* Set the display resolution. */ xf86SetDpi(pScrn, 0, 0); /* Load shadow if needed. */ if (fPtr->shadowFB) { xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Using \"Shadow Framebuffer\"\n"); if (xf86LoadSubModule(pScrn, "shadow") == NULL) { WsfbFreeRec(pScrn); return FALSE; } } if (xf86LoadSubModule(pScrn, "fb") == NULL) { WsfbFreeRec(pScrn); return FALSE; } TRACE_EXIT("PreInit"); return TRUE; } static void wsfbUpdateRotatePacked(ScreenPtr pScreen, shadowBufPtr pBuf) { shadowUpdateRotatePacked(pScreen, pBuf); } static void wsfbUpdatePacked(ScreenPtr pScreen, shadowBufPtr pBuf) { shadowUpdatePacked(pScreen, pBuf); } static void wsfbUpdateAfb8(ScreenPtr pScreen, shadowBufPtr pBuf) { shadowUpdateAfb8(pScreen, pBuf); } static Bool WsfbCreateScreenResources(ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); WsfbPtr fPtr = WSFBPTR(pScrn); PixmapPtr pPixmap; Bool ret; void (*shadowproc)(ScreenPtr, shadowBufPtr); ShadowWindowProc windowproc; pScreen->CreateScreenResources = fPtr->CreateScreenResources; ret = pScreen->CreateScreenResources(pScreen); pScreen->CreateScreenResources = WsfbCreateScreenResources; if (!ret) return FALSE; pPixmap = pScreen->GetScreenPixmap(pScreen); shadowproc = fPtr->rotate ? wsfbUpdateRotatePacked : wsfbUpdatePacked ; windowproc = WsfbWindowLinear; if (fPtr->planarAfb) { shadowproc = wsfbUpdateAfb8; windowproc = WsfbWindowAfb; } if (!shadowAdd(pScreen, pPixmap, shadowproc, windowproc, fPtr->rotate, NULL)) { return FALSE; } return TRUE; } static Bool WsfbShadowInit(ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); WsfbPtr fPtr = WSFBPTR(pScrn); if (!shadowSetup(pScreen)) return FALSE; fPtr->CreateScreenResources = pScreen->CreateScreenResources; pScreen->CreateScreenResources = WsfbCreateScreenResources; return TRUE; } static Bool WsfbScreenInit(SCREEN_INIT_ARGS_DECL) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); WsfbPtr fPtr = WSFBPTR(pScrn); VisualPtr visual; int ret, flags, ncolors; int wsmode = WSDISPLAYIO_MODE_DUMBFB; size_t len; TRACE_ENTER("WsfbScreenInit"); #if DEBUG ErrorF("\tbitsPerPixel=%d, depth=%d, defaultVisual=%s\n" "\tmask: %x,%x,%x, offset: %u,%u,%u\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 switch (fPtr->info.depth) { case 1: case 4: case 8: len = fPtr->linebytes*fPtr->info.height; /* LUNA planar framebuffer needs some modification */ if ((fPtr->wstype == WSDISPLAY_TYPE_LUNA) && fPtr->planarAfb) len *= fPtr->info.depth; break; case 16: if (fPtr->linebytes == fPtr->info.width) { len = fPtr->info.width*fPtr->info.height*sizeof(short); } else { len = fPtr->linebytes*fPtr->info.height; } break; case 24: if (fPtr->linebytes == fPtr->info.width) { len = fPtr->info.width*fPtr->info.height*3; } else { len = fPtr->linebytes*fPtr->info.height; } break; case 32: if (fPtr->linebytes == fPtr->info.width) { len = fPtr->info.width*fPtr->info.height*sizeof(int); } else { len = fPtr->linebytes*fPtr->info.height; } break; default: xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "unsupported depth %d\n", fPtr->info.depth); return FALSE; } /* Switch to graphics mode - required before mmap. */ if (ioctl(fPtr->fd, WSDISPLAYIO_SMODE, &wsmode) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "ioctl WSDISPLAYIO_SMODE: %s\n", strerror(errno)); return FALSE; } /* On LUNA, no need to add 'offset' bytes, it is included in len */ if (fPtr->wstype != WSDISPLAY_TYPE_LUNA) len += fPtr->info.offset; fPtr->fbmem = wsfb_mmap(len, 0, fPtr->fd); if (fPtr->fbmem == NULL) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "wsfb_mmap: %s\n", strerror(errno)); return FALSE; } fPtr->fbmem_len = len; WsfbSave(pScrn); pScrn->vtSema = TRUE; /* MI layer */ miClearVisualTypes(); if (pScrn->bitsPerPixel > 8) { if (!miSetVisualTypes(pScrn->depth, TrueColorMask, pScrn->rgbBits, TrueColor)) return FALSE; } else { if (!miSetVisualTypes(pScrn->depth, miGetDefaultVisualMask(pScrn->depth), pScrn->rgbBits, pScrn->defaultVisual)) return FALSE; } if (!miSetPixmapDepths()) return FALSE; if (fPtr->rotate == WSFB_ROTATE_CW || fPtr->rotate == WSFB_ROTATE_CCW) { int tmp = pScrn->virtualX; pScrn->virtualX = pScrn->displayWidth = pScrn->virtualY; pScrn->virtualY = tmp; } if (fPtr->rotate && !fPtr->PointerMoved) { fPtr->PointerMoved = pScrn->PointerMoved; pScrn->PointerMoved = WsfbPointerMoved; } fPtr->fbstart = fPtr->fbmem + fPtr->info.offset; if (fPtr->shadowFB) { len = pScrn->virtualX * pScrn->virtualY * pScrn->bitsPerPixel/8; /* LUNA planar framebuffer needs some modification */ if ((fPtr->wstype == WSDISPLAY_TYPE_LUNA) && fPtr->planarAfb) len = pScrn->displayWidth * pScrn->virtualY; fPtr->shadow = calloc(1, len); if (!fPtr->shadow) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Failed to allocate shadow framebuffer\n"); return FALSE; } } switch (pScrn->bitsPerPixel) { case 1: case 4: case 8: case 16: case 24: case 32: ret = fbScreenInit(pScreen, fPtr->shadowFB ? fPtr->shadow : fPtr->fbstart, pScrn->virtualX, pScrn->virtualY, pScrn->xDpi, pScrn->yDpi, pScrn->displayWidth, pScrn->bitsPerPixel); break; default: xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Unsupported bpp: %d\n", pScrn->bitsPerPixel); return FALSE; } /* case */ if (!ret) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "fbScreenInit error"); 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; } } } if (pScrn->bitsPerPixel >= 8) { if (!fbPictureInit(pScreen, NULL, 0)) xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "RENDER extension initialisation failed.\n"); } if (fPtr->shadowFB && !WsfbShadowInit(pScreen)) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "shadow framebuffer initialization failed\n"); return FALSE; } #ifdef XFreeXDGA if (!fPtr->rotate) WsfbDGAInit(pScrn, pScreen); else xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Rotated display, " "disabling DGA\n"); #endif if (fPtr->rotate) { #if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 24 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Enabling Driver Rotation, " "disabling RandR\n"); xf86DisableRandR(); #endif if (pScrn->bitsPerPixel == 24) xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "Rotation might be broken in 24 bpp\n"); } xf86SetBlackWhitePixels(pScreen); xf86SetBackingStore(pScreen); /* Software cursor. */ miDCInitialize(pScreen, xf86GetPointerScreenFuncs()); /* * Colormap * * Note that, even on less than 8 bit depth frame buffers, we * expect the colormap to be programmable with 8 bit values. * As of now, this is indeed the case on all OpenBSD supported * graphics hardware. */ if (!miCreateDefColormap(pScreen)) return FALSE; flags = CMAP_RELOAD_ON_MODE_SWITCH; ncolors = fPtr->info.cmsize; /* On StaticGray visuals, fake a 256 entries colormap. */ if (ncolors == 0) ncolors = 256; if (pScrn->depth != 30 && !xf86HandleColormaps(pScreen, ncolors, 8, WsfbLoadPalette, NULL, flags)) return FALSE; pScreen->SaveScreen = WsfbSaveScreen; #ifdef XvExtension { XF86VideoAdaptorPtr *ptr; int n = xf86XVListGenericAdaptors(pScrn,&ptr); if (n) { xf86XVScreenInit(pScreen,ptr,n); } } #endif /* Wrap the current CloseScreen function. */ fPtr->CloseScreen = pScreen->CloseScreen; pScreen->CloseScreen = WsfbCloseScreen; TRACE_EXIT("WsfbScreenInit"); return TRUE; } static Bool WsfbCloseScreen(CLOSE_SCREEN_ARGS_DECL) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); PixmapPtr pPixmap; WsfbPtr fPtr = WSFBPTR(pScrn); TRACE_ENTER("WsfbCloseScreen"); pPixmap = pScreen->GetScreenPixmap(pScreen); if (fPtr->shadowFB) shadowRemove(pScreen, pPixmap); if (pScrn->vtSema) { WsfbRestore(pScrn); if (munmap(fPtr->fbmem, fPtr->fbmem_len) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "munmap: %s\n", strerror(errno)); } fPtr->fbmem = NULL; } #ifdef XFreeXDGA if (fPtr->pDGAMode) { free(fPtr->pDGAMode); fPtr->pDGAMode = NULL; fPtr->nDGAMode = 0; } #endif pScrn->vtSema = FALSE; /* Unwrap CloseScreen. */ pScreen->CloseScreen = fPtr->CloseScreen; TRACE_EXIT("WsfbCloseScreen"); return (*pScreen->CloseScreen)(CLOSE_SCREEN_ARGS); } static void * WsfbWindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode, CARD32 *size, void *closure) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); WsfbPtr fPtr = WSFBPTR(pScrn); if (fPtr->linebytes) *size = fPtr->linebytes; else { if (ioctl(fPtr->fd, WSDISPLAYIO_LINEBYTES, size) == -1) return NULL; fPtr->linebytes = *size; } return ((CARD8 *)fPtr->fbstart + row *fPtr->linebytes + offset); } static void * WsfbWindowAfb(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode, CARD32 *size, void *closure) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); WsfbPtr fPtr = WSFBPTR(pScrn); /* size is offset from start of bitplane to next bitplane */ *size = fPtr->linebytes * fPtr->info.height; return ((CARD8 *)fPtr->fbstart + row * fPtr->linebytes + offset); } static void WsfbPointerMoved(SCRN_ARG_TYPE arg, int x, int y) { SCRN_INFO_PTR(arg); WsfbPtr fPtr = WSFBPTR(pScrn); int newX, newY; switch (fPtr->rotate) { case WSFB_ROTATE_CW: /* 90 degrees CW rotation. */ newX = pScrn->pScreen->height - y - 1; newY = x; break; case WSFB_ROTATE_CCW: /* 90 degrees CCW rotation. */ newX = y; newY = pScrn->pScreen->width - x - 1; break; case WSFB_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)(arg, newX, newY); } static Bool WsfbEnterVT(VT_FUNC_ARGS_DECL) { SCRN_INFO_PTR(arg); WsfbPtr fPtr = WSFBPTR(pScrn); int wsmode = WSDISPLAYIO_MODE_DUMBFB; TRACE_ENTER("EnterVT"); /* Switch to graphics mode. */ if (ioctl(fPtr->fd, WSDISPLAYIO_SMODE, &wsmode) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "ioctl WSDISPLAYIO_SMODE: %s\n", strerror(errno)); return FALSE; } pScrn->vtSema = TRUE; TRACE_EXIT("EnterVT"); return TRUE; } static void WsfbLeaveVT(VT_FUNC_ARGS_DECL) { SCRN_INFO_PTR(arg); TRACE_ENTER("LeaveVT"); WsfbRestore(pScrn); TRACE_EXIT("LeaveVT"); } static Bool WsfbSwitchMode(SWITCH_MODE_ARGS_DECL) { #if DEBUG SCRN_INFO_PTR(arg); #endif TRACE_ENTER("SwitchMode"); /* Nothing else to do. */ return TRUE; } static int WsfbValidMode(SCRN_ARG_TYPE arg, DisplayModePtr mode, Bool verbose, int flags) { #if DEBUG SCRN_INFO_PTR(arg); #endif TRACE_ENTER("ValidMode"); return MODE_OK; } static void WsfbLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, LOCO *colors, VisualPtr pVisual) { WsfbPtr fPtr = WSFBPTR(pScrn); struct wsdisplay_cmap cmap; unsigned char red[256],green[256],blue[256]; int i, indexMin=256, indexMax=0; TRACE_ENTER("LoadPalette"); cmap.count = 1; cmap.red = red; cmap.green = green; cmap.blue = blue; if (numColors == 1) { /* Optimisation */ cmap.index = indices[0]; red[0] = colors[indices[0]].red; green[0] = colors[indices[0]].green; blue[0] = colors[indices[0]].blue; if (ioctl(fPtr->fd,WSDISPLAYIO_PUTCMAP, &cmap) == -1) ErrorF("ioctl FBIOPUTCMAP: %s\n", strerror(errno)); } else { /* * Change all colors in 2 ioctls * and limit the data to be transferred. */ for (i = 0; i < numColors; i++) { if (indices[i] < indexMin) indexMin = indices[i]; if (indices[i] > indexMax) indexMax = indices[i]; } cmap.index = indexMin; cmap.count = indexMax - indexMin + 1; cmap.red = &red[indexMin]; cmap.green = &green[indexMin]; cmap.blue = &blue[indexMin]; /* Get current map. */ if (ioctl(fPtr->fd, WSDISPLAYIO_GETCMAP, &cmap) == -1) ErrorF("ioctl FBIOGETCMAP: %s\n", strerror(errno)); /* Change the colors that require updating. */ for (i = 0; i < numColors; i++) { red[indices[i]] = colors[indices[i]].red; green[indices[i]] = colors[indices[i]].green; blue[indices[i]] = colors[indices[i]].blue; } /* Write the colormap back. */ if (ioctl(fPtr->fd,WSDISPLAYIO_PUTCMAP, &cmap) == -1) ErrorF("ioctl FBIOPUTCMAP: %s\n", strerror(errno)); } TRACE_EXIT("LoadPalette"); } static Bool WsfbSaveScreen(ScreenPtr pScreen, int mode) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); WsfbPtr fPtr = WSFBPTR(pScrn); int state; TRACE_ENTER("SaveScreen"); if (!pScrn->vtSema) return TRUE; state = xf86IsUnblank(mode)?WSDISPLAYIO_VIDEO_ON: WSDISPLAYIO_VIDEO_OFF; if (ioctl(fPtr->fd, WSDISPLAYIO_SVIDEO, &state) < 0) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "error in WSDISPLAY_SVIDEO %s\n", strerror(errno)); } TRACE_EXIT("SaveScreen"); return TRUE; } static void WsfbSave(ScrnInfoPtr pScrn) { WsfbPtr fPtr = WSFBPTR(pScrn); TRACE_ENTER("WsfbSave"); if (fPtr->info.cmsize == 0) return; fPtr->saved_cmap.index = 0; fPtr->saved_cmap.count = fPtr->info.cmsize; if (ioctl(fPtr->fd, WSDISPLAYIO_GETCMAP, &(fPtr->saved_cmap)) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "error saving colormap %s\n", strerror(errno)); } TRACE_EXIT("WsfbSave"); } static void WsfbRestore(ScrnInfoPtr pScrn) { WsfbPtr fPtr = WSFBPTR(pScrn); int mode; TRACE_ENTER("WsfbRestore"); if (fPtr->info.cmsize != 0) { /* reset colormap for text mode */ if (ioctl(fPtr->fd, WSDISPLAYIO_PUTCMAP, &(fPtr->saved_cmap)) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "error restoring colormap %s\n", strerror(errno)); } } /* Clear the screen. */ memset(fPtr->fbmem, 0, fPtr->fbmem_len); /* Quirk for LUNA: Restore default depth. */ if (fPtr->wstype == WSDISPLAY_TYPE_LUNA) { struct wsdisplay_gfx_mode gfxmode; gfxmode.width = fPtr->info.width; gfxmode.height = fPtr->info.height; gfxmode.depth = 0; /* set to default depth */ if (ioctl(fPtr->fd, WSDISPLAYIO_SETGFXMODE, &gfxmode) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "ioctl WSDISPLAY_SETGFXMODE: %s\n", strerror(errno)); return; } } /* Restore the text mode. */ mode = WSDISPLAYIO_MODE_EMUL; if (ioctl(fPtr->fd, WSDISPLAYIO_SMODE, &mode) == -1) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "error setting text mode %s\n", strerror(errno)); } TRACE_EXIT("WsfbRestore"); } #ifdef XFreeXDGA /*********************************************************************** * DGA stuff ***********************************************************************/ static Bool WsfbDGAOpenFramebuffer(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 WsfbDGASetMode(ScrnInfoPtr pScrn, DGAModePtr pDGAMode) { DisplayModePtr pMode; 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)(SWITCH_MODE_ARGS(pScrn, pMode))) return FALSE; (*pScrn->AdjustFrame)(ADJUST_FRAME_ARGS(pScrn, frameX0, frameY0)); return TRUE; } static void WsfbDGASetViewport(ScrnInfoPtr pScrn, int x, int y, int flags) { (*pScrn->AdjustFrame)(ADJUST_FRAME_ARGS(pScrn, x, y)); } static int WsfbDGAGetViewport(ScrnInfoPtr pScrn) { return (0); } static DGAFunctionRec WsfbDGAFunctions = { WsfbDGAOpenFramebuffer, NULL, /* CloseFramebuffer */ WsfbDGASetMode, WsfbDGASetViewport, WsfbDGAGetViewport, NULL, /* Sync */ NULL, /* FillRect */ NULL, /* BlitRect */ NULL, /* BlitTransRect */ }; static void WsfbDGAAddModes(ScrnInfoPtr pScrn) { WsfbPtr fPtr = WSFBPTR(pScrn); DisplayModePtr pMode = pScrn->modes; DGAModePtr pDGAMode; do { pDGAMode = realloc(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->linebytes) pDGAMode->bytesPerScanline = fPtr->linebytes; else { ioctl(fPtr->fd, WSDISPLAYIO_LINEBYTES, &fPtr->linebytes); pDGAMode->bytesPerScanline = fPtr->linebytes; } pDGAMode->imageWidth = pMode->HDisplay; pDGAMode->imageHeight = pMode->VDisplay; pDGAMode->pixmapWidth = pDGAMode->imageWidth; pDGAMode->pixmapHeight = pDGAMode->imageHeight; pDGAMode->maxViewportX = pScrn->virtualX - pDGAMode->viewportWidth; /* LUNA planar framebuffer needs some modification */ if ((fPtr->wstype == WSDISPLAY_TYPE_LUNA) && fPtr->planarAfb) pDGAMode->maxViewportX = pScrn->displayWidth - pDGAMode->viewportWidth; pDGAMode->maxViewportY = pScrn->virtualY - pDGAMode->viewportHeight; pDGAMode->address = fPtr->fbstart; pMode = pMode->next; } while (pMode != pScrn->modes); } static Bool WsfbDGAInit(ScrnInfoPtr pScrn, ScreenPtr pScreen) { WsfbPtr fPtr = WSFBPTR(pScrn); if (pScrn->depth < 8) return FALSE; if (!fPtr->nDGAMode) WsfbDGAAddModes(pScrn); return (DGAInit(pScreen, &WsfbDGAFunctions, fPtr->pDGAMode, fPtr->nDGAMode)); } #endif static Bool WsfbDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, pointer ptr) { xorgHWFlags *flag; switch (op) { case GET_REQUIRED_HW_INTERFACES: flag = (CARD32*)ptr; (*flag) = 0; return TRUE; default: return FALSE; } }