/* * CG14 framebuffer driver. * * Copyright (C) 2000 Jakub Jelinek (jakub@redhat.com) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * JAKUB JELINEK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include #include #include "xf86.h" #include "xf86_OSproc.h" #include "mipointer.h" #include "micmap.h" #include "fb.h" #include "xf86cmap.h" #include "shadow.h" #include "cg14.h" #if 0 #define static #endif #include "compat-api.h" static const OptionInfoRec * CG14AvailableOptions(int chipid, int busid); static void CG14Identify(int flags); static Bool CG14Probe(DriverPtr drv, int flags); static Bool CG14PreInit(ScrnInfoPtr pScrn, int flags); static Bool CG14ScreenInit(SCREEN_INIT_ARGS_DECL); static Bool CG14EnterVT(VT_FUNC_ARGS_DECL); static void CG14LeaveVT(VT_FUNC_ARGS_DECL); static Bool CG14CloseScreen(CLOSE_SCREEN_ARGS_DECL); static Bool CG14SaveScreen(ScreenPtr pScreen, int mode); static void CG14InitCplane24(ScrnInfoPtr pScrn); static void CG14ExitCplane24(ScrnInfoPtr pScrn); static void *CG14WindowLinear(ScreenPtr, CARD32, CARD32, int, CARD32 *, void *); static Bool CG14DriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, pointer ptr); /* Required if the driver supports mode switching */ static Bool CG14SwitchMode(SWITCH_MODE_ARGS_DECL); /* Required if the driver supports moving the viewport */ static void CG14AdjustFrame(ADJUST_FRAME_ARGS_DECL); /* Optional functions */ static void CG14FreeScreen(FREE_SCREEN_ARGS_DECL); static ModeStatus CG14ValidMode(SCRN_ARG_TYPE arg, DisplayModePtr mode, Bool verbose, int flags); void CG14Sync(ScrnInfoPtr pScrn); #define CG14_VERSION 4000 #define CG14_NAME "SUNCG14" #define CG14_DRIVER_NAME "suncg14" #define CG14_MAJOR_VERSION PACKAGE_VERSION_MAJOR #define CG14_MINOR_VERSION PACKAGE_VERSION_MINOR #define CG14_PATCHLEVEL PACKAGE_VERSION_PATCHLEVEL /* * 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 SUNCG14 = { CG14_VERSION, CG14_DRIVER_NAME, CG14Identify, CG14Probe, CG14AvailableOptions, NULL, 0, CG14DriverFunc }; typedef enum { OPTION_SHADOW_FB, OPTION_HW_CURSOR, OPTION_SW_CURSOR, OPTION_ACCEL, OPTION_XRENDER } CG14Opts; static const OptionInfoRec CG14Options[] = { { OPTION_SHADOW_FB, "ShadowFB", OPTV_BOOLEAN, {0}, TRUE}, { OPTION_ACCEL, "Accel", OPTV_BOOLEAN, {0}, TRUE}, { OPTION_XRENDER, "XRender", OPTV_BOOLEAN, {0}, FALSE}, { -1, NULL, OPTV_NONE, {0}, FALSE } }; static MODULESETUPPROTO(cg14Setup); static XF86ModuleVersionInfo suncg14VersRec = { "suncg14", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XORG_VERSION_CURRENT, CG14_MAJOR_VERSION, CG14_MINOR_VERSION, CG14_PATCHLEVEL, ABI_CLASS_VIDEODRV, ABI_VIDEODRV_VERSION, MOD_CLASS_VIDEODRV, {0,0,0,0} }; _X_EXPORT XF86ModuleData suncg14ModuleData = { &suncg14VersRec, cg14Setup, NULL }; pointer cg14Setup(pointer module, pointer opts, int *errmaj, int *errmin) { static Bool setupDone = FALSE; if (!setupDone) { setupDone = TRUE; xf86AddDriver(&SUNCG14, 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)TRUE; } else { if (errmaj) *errmaj = LDR_ONCEONLY; return NULL; } } static Bool CG14GetRec(ScrnInfoPtr pScrn) { /* * Allocate an Cg14Rec, 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(Cg14Rec), 1); return TRUE; } static void CG14FreeRec(ScrnInfoPtr pScrn) { Cg14Ptr pCg14; if (pScrn->driverPrivate == NULL) return; pCg14 = GET_CG14_FROM_SCRN(pScrn); free(pScrn->driverPrivate); pScrn->driverPrivate = NULL; return; } static const OptionInfoRec * CG14AvailableOptions(int chipid, int busid) { return CG14Options; } /* Mandatory */ static void CG14Identify(int flags) { xf86Msg(X_INFO, "%s: driver for CG14\n", CG14_NAME); } /* Mandatory */ static Bool CG14Probe(DriverPtr drv, int flags) { int i; GDevPtr *devSections; int *usedChips; int numDevSections; int numUsed; Bool foundScreen = FALSE; EntityInfoPtr pEnt; /* * The aim here is to find all cards that this driver can handle, * and for the ones not already claimed by another driver, claim the * slot, and allocate a ScrnInfoRec. * * This should be a minimal probe, and it should under no circumstances * change the state of the hardware. Because a device is found, don't * assume that it will be used. Don't do any initialisations other than * the required ScrnInfoRec initialisations. Don't allocate any new * data structures. */ /* * Next we check, if there has been a chipset override in the config file. * For this we must find out if there is an active device section which * is relevant, i.e., which has no driver specified or has THIS driver * specified. */ if ((numDevSections = xf86MatchDevice(CG14_DRIVER_NAME, &devSections)) <= 0) { /* * There's no matching device section in the config file, so quit * now. */ return FALSE; } /* * We need to probe the hardware first. We then need to see how this * fits in with what is given in the config file, and allow the config * file info to override any contradictions. */ numUsed = xf86MatchSbusInstances(CG14_NAME, SBUS_DEVICE_CG14, devSections, numDevSections, drv, &usedChips); free(devSections); if (numUsed <= 0) return FALSE; if (flags & PROBE_DETECT) foundScreen = TRUE; else for (i = 0; i < numUsed; i++) { pEnt = xf86GetEntityInfo(usedChips[i]); /* * Check that nothing else has claimed the slots. */ if(pEnt->active) { ScrnInfoPtr pScrn; /* Allocate a ScrnInfoRec and claim the slot */ pScrn = xf86AllocateScreen(drv, 0); /* Fill in what we can of the ScrnInfoRec */ pScrn->driverVersion = CG14_VERSION; pScrn->driverName = CG14_DRIVER_NAME; pScrn->name = CG14_NAME; pScrn->Probe = CG14Probe; pScrn->PreInit = CG14PreInit; pScrn->ScreenInit = CG14ScreenInit; pScrn->SwitchMode = CG14SwitchMode; pScrn->AdjustFrame = CG14AdjustFrame; pScrn->EnterVT = CG14EnterVT; pScrn->LeaveVT = CG14LeaveVT; pScrn->FreeScreen = CG14FreeScreen; pScrn->ValidMode = CG14ValidMode; xf86AddEntityToScreen(pScrn, pEnt->index); foundScreen = TRUE; } free(pEnt); } free(usedChips); return foundScreen; } /* Mandatory */ static Bool CG14PreInit(ScrnInfoPtr pScrn, int flags) { Cg14Ptr pCg14; sbusDevicePtr psdp = NULL; int i, from, size, len, reg[6], prom; char *ptr; if (flags & PROBE_DETECT) return FALSE; /* * Note: This function is only called once at server startup, and * not at the start of each server generation. This means that * only things that are persistent across server generations can * be initialised here. xf86Screens[] is (pScrn is a pointer to one * of these). Privates allocated using xf86AllocateScrnInfoPrivateIndex() * are too, and should be used for data that must persist across * server generations. * * Per-generation data should be allocated with * AllocateScreenPrivateIndex() from the ScreenInit() function. */ /* Allocate the Cg14Rec driverPrivate */ if (!CG14GetRec(pScrn)) { return FALSE; } pCg14 = GET_CG14_FROM_SCRN(pScrn); /* Set pScrn->monitor */ pScrn->monitor = pScrn->confScreen->monitor; /* This driver doesn't expect more than one entity per screen */ if (pScrn->numEntities > 1) return FALSE; /* This is the general case */ for (i = 0; i < pScrn->numEntities; i++) { EntityInfoPtr pEnt = xf86GetEntityInfo(pScrn->entityList[i]); /* CG14 is purely AFX, but we handle it like SBUS */ if (pEnt->location.type == BUS_SBUS) { psdp = xf86GetSbusInfoForEntity(pEnt->index); pCg14->psdp = psdp; } else return FALSE; } if (psdp == NULL) return FALSE; pCg14->memsize = 4 * 1024 * 1024; /* always safe */ len = 24; prom = sparcPromInit(); if ((ptr = sparcPromGetProperty(&psdp->node, "reg", &len))) { if (len >= 24) { memcpy(reg, ptr, 24); size = reg[5]; xf86Msg(X_INFO, "memsize from reg: %d MB\n", size >> 20); if (size > pCg14->memsize) pCg14->memsize = size; } } xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "found %d MB video memory\n", pCg14->memsize >> 20); /********************* deal with depth *********************/ if (!xf86SetDepthBpp(pScrn, 0, 0, 0, Support24bppFb|Support32bppFb)) return FALSE; /* Check that the returned depth is one we support */ switch (pScrn->depth) { case 32: case 24: case 16: case 8: /* OK */ break; default: xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Given depth (%d) is not supported by this driver\n", pScrn->depth); return FALSE; } /* Collect all of the relevant option flags (fill in pScrn->options) */ xf86CollectOptions(pScrn, NULL); /* Process the options */ if (!(pCg14->Options = malloc(sizeof(CG14Options)))) return FALSE; memcpy(pCg14->Options, CG14Options, sizeof(CG14Options)); xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pCg14->Options); pCg14->use_shadow = xf86ReturnOptValBool(pCg14->Options, OPTION_SHADOW_FB, TRUE); pCg14->use_accel = xf86ReturnOptValBool(pCg14->Options, OPTION_ACCEL, TRUE); pCg14->use_xrender = xf86ReturnOptValBool(pCg14->Options, OPTION_XRENDER, FALSE); if (pScrn->depth < 24) { if (pCg14->use_xrender) xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Disabling xrender on depth < 24\n"); pCg14->use_xrender = FALSE; } /* * This must happen after pScrn->display has been set because * xf86SetWeight references it. */ if (pScrn->depth > 16) { rgb weight = {0, 0, 0}; rgb mask = {0xff, 0xff00, 0xff0000}; if (!xf86SetWeight(pScrn, weight, mask)) { return FALSE; } } else if (pScrn->depth > 8) { rgb zeroes = {0, 0, 0}; if (!xf86SetWeight(pScrn, zeroes, zeroes)) { return FALSE; } } if (!xf86SetDefaultVisual(pScrn, -1)) return FALSE; else if (pScrn->depth > 8) { /* We don't currently support DirectColor */ if (pScrn->defaultVisual != TrueColor) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Given default visual" " (%s) is not supported\n", xf86GetVisualName(pScrn->defaultVisual)); return FALSE; } } /* * The new cmap code requires this to be initialised. */ { Gamma zeros = {0.0, 0.0, 0.0}; if (!xf86SetGamma(pScrn, zeros)) { return FALSE; } } if (xf86LoadSubModule(pScrn, "fb") == NULL) { CG14FreeRec(pScrn); return FALSE; } if (pCg14->use_shadow) { xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Using shadow framebuffer\n"); if (xf86LoadSubModule(pScrn, "shadow") == NULL) { CG14FreeRec(pScrn); return FALSE; } } from = X_DEFAULT; pCg14->HWCursor = TRUE; if (xf86GetOptValBool(pCg14->Options, OPTION_HW_CURSOR, &pCg14->HWCursor)) from = X_CONFIG; if (xf86ReturnOptValBool(pCg14->Options, OPTION_SW_CURSOR, FALSE)) { from = X_CONFIG; pCg14->HWCursor = FALSE; } xf86DrvMsg(pScrn->scrnIndex, from, "Using %s cursor\n", pCg14->HWCursor ? "HW" : "SW"); /********************* set up clock and mode stuff *********************/ pScrn->progClock = TRUE; if(pScrn->display->virtualX || pScrn->display->virtualY) { xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "CG14 does not support a virtual desktop\n"); pScrn->display->virtualX = 0; pScrn->display->virtualY = 0; } xf86SbusUseBuiltinMode(pScrn, pCg14->psdp); pScrn->currentMode = pScrn->modes; pScrn->displayWidth = pScrn->virtualX; /* Set display resolution */ xf86SetDpi(pScrn, 0, 0); return TRUE; } static void CG14UpdatePacked(ScreenPtr pScreen, shadowBufPtr pBuf) { shadowUpdatePacked(pScreen, pBuf); } static Bool CG14CreateScreenResources(ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; Cg14Ptr pCg14 = GET_CG14_FROM_SCRN(pScrn); PixmapPtr pPixmap; Bool ret; pScreen->CreateScreenResources = pCg14->CreateScreenResources; ret = pScreen->CreateScreenResources(pScreen); pScreen->CreateScreenResources = CG14CreateScreenResources; if (!ret) return FALSE; pPixmap = pScreen->GetScreenPixmap(pScreen); if (!shadowAdd(pScreen, pPixmap, CG14UpdatePacked, CG14WindowLinear, 0, NULL)) { return FALSE; } return TRUE; } static Bool CG14ShadowInit(ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; Cg14Ptr pCg14 = GET_CG14_FROM_SCRN(pScrn); if (!shadowSetup(pScreen)) { return FALSE; } pCg14->CreateScreenResources = pScreen->CreateScreenResources; pScreen->CreateScreenResources = CG14CreateScreenResources; return TRUE; } /* Mandatory */ /* This gets called at the start of each server generation */ static Bool CG14ScreenInit(SCREEN_INIT_ARGS_DECL) { ScrnInfoPtr pScrn; Cg14Ptr pCg14; VisualPtr visual; int ret, have_accel = 0; /* * First get the ScrnInfoRec */ pScrn = xf86ScreenToScrn(pScreen); pCg14 = GET_CG14_FROM_SCRN(pScrn); /* Map the CG14 memory */ pCg14->fb = xf86MapSbusMem (pCg14->psdp, CG14_DIRECT_VOFF, pCg14->memsize); pCg14->x32 = xf86MapSbusMem (pCg14->psdp, CG14_X32_VOFF, (pCg14->psdp->width * pCg14->psdp->height)); pCg14->xlut = xf86MapSbusMem (pCg14->psdp, CG14_XLUT_VOFF, 4096); pCg14->curs = xf86MapSbusMem (pCg14->psdp, CG14_CURSOR_VOFF, 4096); pCg14->sxreg = xf86MapSbusMem (pCg14->psdp, CG14_SXREG_VOFF, 4096); pCg14->sxio = xf86MapSbusMem (pCg14->psdp, CG14_SXIO_VOFF, 0x04000000); have_accel = (pCg14->sxreg != NULL) && (pCg14->sxio != NULL); if (have_accel) { xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "found kernel support for SX acceleration\n"); } have_accel = have_accel & pCg14->use_accel; if (have_accel) { xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "using acceleration\n"); if (pCg14->use_shadow) xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "disabling shadow\n"); pCg14->use_shadow = FALSE; } pCg14->width = pCg14->psdp->width; pCg14->height = pCg14->psdp->height; if (! pCg14->fb || !pCg14->x32 || !pCg14->xlut || !pCg14->curs) { xf86Msg(X_ERROR, "can't mmap something: fd %08x x32 %08x xlut %08x cursor %08x\n", (uint32_t)pCg14->fb, (uint32_t)pCg14->x32, (uint32_t)pCg14->xlut, (uint32_t)pCg14->curs); return FALSE; } /* Darken the screen for aesthetic reasons and set the viewport */ CG14SaveScreen(pScreen, SCREEN_SAVER_ON); /* * The next step is to setup the screen's visuals, and initialise the * framebuffer code. In cases where the framebuffer's default * choices for things like visual layouts and bits per RGB are OK, * this may be as simple as calling the framebuffer's ScreenInit() * function. If not, the visuals will need to be setup before calling * a fb ScreenInit() function and fixed up after. */ /* * Reset visual list. */ miClearVisualTypes(); /* Set the bits per RGB for 8bpp mode */ pScrn->rgbBits = 8; /* Setup the visuals we support. */ if (!miSetVisualTypes(pScrn->depth, miGetDefaultVisualMask(pScrn->depth), pScrn->rgbBits, pScrn->defaultVisual)) return FALSE; miSetPixmapDepths (); if (pCg14->use_shadow) { pCg14->shadow = malloc(pScrn->virtualX * pScrn->virtualY * 4); if (!pCg14->shadow) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Failed to allocate shadow framebuffer\n"); return FALSE; } } /* * Call the framebuffer layer's ScreenInit function, and fill in other * pScreen fields. */ CG14InitCplane24(pScrn); ret = fbScreenInit(pScreen, pCg14->use_shadow ? pCg14->shadow : pCg14->fb, pScrn->virtualX, pScrn->virtualY, pScrn->xDpi, pScrn->yDpi, pScrn->virtualX, pScrn->bitsPerPixel); if (!ret) return FALSE; /* must be after RGB ordering fixed */ fbPictureInit (pScreen, 0, 0); if (pCg14->use_shadow && !CG14ShadowInit(pScreen)) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "shadow framebuffer initialization failed\n"); return FALSE; } xf86SetBackingStore(pScreen); xf86SetSilkenMouse(pScreen); xf86SetBlackWhitePixels(pScreen); 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; } } } /* setup acceleration */ if (have_accel) { XF86ModReqInfo req; int errmaj, errmin; memset(&req, 0, sizeof(XF86ModReqInfo)); req.majorversion = 2; req.minorversion = 0; if (!LoadSubModule(pScrn->module, "exa", NULL, NULL, NULL, &req, &errmaj, &errmin)) { LoaderErrorMsg(NULL, "exa", errmaj, errmin); return FALSE; } if (!CG14InitAccel(pScreen)) have_accel = FALSE; } /* Initialise cursor functions */ miDCInitialize (pScreen, xf86GetPointerScreenFuncs()); /* check for hardware cursor support */ if (pCg14->HWCursor) CG14SetupCursor(pScreen); /* Initialise default colourmap */ if (!miCreateDefColormap(pScreen)) return FALSE; if(!xf86SbusHandleColormaps(pScreen, pCg14->psdp)) return FALSE; pCg14->CloseScreen = pScreen->CloseScreen; pScreen->CloseScreen = CG14CloseScreen; pScreen->SaveScreen = CG14SaveScreen; /* Report any unused options (only for the first generation) */ if (serverGeneration == 1) { xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options); } /* unblank the screen */ CG14SaveScreen(pScreen, SCREEN_SAVER_OFF); /* Done */ return TRUE; } /* Usually mandatory */ static Bool CG14SwitchMode(SWITCH_MODE_ARGS_DECL) { xf86Msg(X_ERROR, "CG14SwitchMode\n"); return TRUE; } /* * This function is used to initialize the Start Address - the first * displayed location in the video memory. */ /* Usually mandatory */ static void CG14AdjustFrame(ADJUST_FRAME_ARGS_DECL) { /* we don't support virtual desktops */ return; } /* * This is called when VT switching back to the X server. Its job is * to reinitialise the video mode. */ /* Mandatory */ static Bool CG14EnterVT(VT_FUNC_ARGS_DECL) { SCRN_INFO_PTR(arg); CG14InitCplane24 (pScrn); return TRUE; } /* * This is called when VT switching away from the X server. */ /* Mandatory */ static void CG14LeaveVT(VT_FUNC_ARGS_DECL) { SCRN_INFO_PTR(arg); CG14ExitCplane24 (pScrn); return; } /* * This is called at the end of each server generation. It restores the * original (text) mode. It should really also unmap the video memory too. */ /* Mandatory */ static Bool CG14CloseScreen(CLOSE_SCREEN_ARGS_DECL) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); Cg14Ptr pCg14 = GET_CG14_FROM_SCRN(pScrn); PixmapPtr pPixmap; if (pCg14->use_shadow) { pPixmap = pScreen->GetScreenPixmap(pScreen); shadowRemove(pScreen, pPixmap); pCg14->use_shadow = FALSE; } pScrn->vtSema = FALSE; CG14ExitCplane24 (pScrn); xf86UnmapSbusMem(pCg14->psdp, pCg14->fb, pCg14->memsize); xf86UnmapSbusMem(pCg14->psdp, pCg14->x32, (pCg14->psdp->width * pCg14->psdp->height)); xf86UnmapSbusMem(pCg14->psdp, pCg14->xlut, 4096); xf86UnmapSbusMem(pCg14->psdp, pCg14->curs, 4096); pScreen->CloseScreen = pCg14->CloseScreen; return (*pScreen->CloseScreen)(CLOSE_SCREEN_ARGS); } static void * CG14WindowLinear(ScreenPtr pScreen, CARD32 row, CARD32 offset, int mode, CARD32 *size, void *closure) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; Cg14Ptr pCg14 = GET_CG14_FROM_SCRN(pScrn); int mul = (pScrn->bitsPerPixel >> 3); *size = pCg14->width * mul; return (CARD8 *)pCg14->fb + row * (pCg14->width * mul) + offset; } /* Free up any per-generation data structures */ /* Optional */ static void CG14FreeScreen(FREE_SCREEN_ARGS_DECL) { SCRN_INFO_PTR(arg); CG14FreeRec(pScrn); } /* Checks if a mode is suitable for the selected chipset. */ /* Optional */ static ModeStatus CG14ValidMode(SCRN_ARG_TYPE arg, DisplayModePtr mode, Bool verbose, int flags) { if (mode->Flags & V_INTERLACE) return(MODE_BAD); return(MODE_OK); } /* Do screen blanking */ /* Mandatory */ static Bool CG14SaveScreen(ScreenPtr pScreen, int mode) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; Cg14Ptr pCg14 = GET_CG14_FROM_SCRN(pScrn); int state; switch(mode) { case SCREEN_SAVER_ON: case SCREEN_SAVER_CYCLE: state = FBVIDEO_OFF; ioctl(pCg14->psdp->fd, FBIOSVIDEO, &state); break; case SCREEN_SAVER_OFF: case SCREEN_SAVER_FORCER: state = FBVIDEO_ON; ioctl(pCg14->psdp->fd, FBIOSVIDEO, &state); break; default: return FALSE; } return TRUE; } /* * This is the implementation of the Sync() function. */ void CG14Sync(ScrnInfoPtr pScrn) { return; } /* * This initializes the card for 24 bit mode. */ static void CG14InitCplane24(ScrnInfoPtr pScrn) { Cg14Ptr pCg14 = GET_CG14_FROM_SCRN(pScrn); int size, bpp = 0; size = pScrn->virtualX * pScrn->virtualY; switch (pScrn->bitsPerPixel) { case 8: case 16: bpp = pScrn->bitsPerPixel; break; case 24: case 32: bpp = 32; default: xf86Msg(X_ERROR, "Unsupported depth %d\n", pScrn->bitsPerPixel); } if (bpp == 0) return; ioctl (pCg14->psdp->fd, CG14_SET_PIXELMODE, &bpp); memset (pCg14->fb, 0, size * (bpp >> 3)); memset (pCg14->x32, 0, size); #ifndef __NetBSD__ memset (pCg14->xlut, 0, 0x200); #endif } /* * This initializes the card for 8 bit mode. */ static void CG14ExitCplane24(ScrnInfoPtr pScrn) { Cg14Ptr pCg14 = GET_CG14_FROM_SCRN(pScrn); int bpp = 8; ioctl (pCg14->psdp->fd, CG14_SET_PIXELMODE, &bpp); } static Bool CG14DriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, pointer ptr) { xorgHWFlags *flag; switch (op) { case GET_REQUIRED_HW_INTERFACES: flag = (CARD32*)ptr; (*flag) = HW_MMIO; return TRUE; default: return FALSE; } }