/* * GX and Turbo GX 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 "cg6.h" #include "xf86.h" #include "xf86_OSproc.h" #include "mipointer.h" #include "micmap.h" #include "fb.h" #include "xf86cmap.h" #include "compat-api.h" static const OptionInfoRec * CG6AvailableOptions(int chipid, int busid); static void CG6Identify(int flags); static Bool CG6Probe(DriverPtr drv, int flags); static Bool CG6PreInit(ScrnInfoPtr pScrn, int flags); static Bool CG6ScreenInit(SCREEN_INIT_ARGS_DECL); static Bool CG6EnterVT(VT_FUNC_ARGS_DECL); static void CG6LeaveVT(VT_FUNC_ARGS_DECL); static Bool CG6CloseScreen(CLOSE_SCREEN_ARGS_DECL); static Bool CG6SaveScreen(ScreenPtr pScreen, int mode); /* Required if the driver supports mode switching */ static Bool CG6SwitchMode(SWITCH_MODE_ARGS_DECL); /* Required if the driver supports moving the viewport */ static void CG6AdjustFrame(ADJUST_FRAME_ARGS_DECL); /* Optional functions */ static void CG6FreeScreen(FREE_SCREEN_ARGS_DECL); static ModeStatus CG6ValidMode(SCRN_ARG_TYPE arg, DisplayModePtr mode, Bool verbose, int flags); static Bool CG6DriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, pointer ptr); #define CG6_VERSION 4000 #define CG6_NAME "SUNCG6" #define CG6_DRIVER_NAME "suncg6" #define CG6_MAJOR_VERSION PACKAGE_VERSION_MAJOR #define CG6_MINOR_VERSION PACKAGE_VERSION_MINOR #define CG6_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 SUNCG6 = { CG6_VERSION, CG6_DRIVER_NAME, CG6Identify, CG6Probe, CG6AvailableOptions, NULL, 0, CG6DriverFunc }; typedef enum { OPTION_SW_CURSOR, OPTION_HW_CURSOR, OPTION_NOACCEL, OPTION_ACCELMETHOD } CG6Opts; static const OptionInfoRec CG6Options[] = { { OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE }, { OPTION_HW_CURSOR, "HWcursor", OPTV_BOOLEAN, {0}, FALSE }, { OPTION_NOACCEL, "NoAccel", OPTV_BOOLEAN, {0}, FALSE }, { OPTION_ACCELMETHOD, "AccelMethod", OPTV_STRING, {0}, FALSE }, { -1, NULL, OPTV_NONE, {0}, FALSE } }; static MODULESETUPPROTO(cg6Setup); static XF86ModuleVersionInfo suncg6VersRec = { "suncg6", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XORG_VERSION_CURRENT, CG6_MAJOR_VERSION, CG6_MINOR_VERSION, CG6_PATCHLEVEL, ABI_CLASS_VIDEODRV, ABI_VIDEODRV_VERSION, MOD_CLASS_VIDEODRV, {0,0,0,0} }; _X_EXPORT XF86ModuleData suncg6ModuleData = { &suncg6VersRec, cg6Setup, NULL }; pointer cg6Setup(pointer module, pointer opts, int *errmaj, int *errmin) { static Bool setupDone = FALSE; if (!setupDone) { setupDone = TRUE; xf86AddDriver(&SUNCG6, 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 CG6GetRec(ScrnInfoPtr pScrn) { /* * Allocate an Cg6Rec, 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(Cg6Rec), 1); return TRUE; } static void CG6FreeRec(ScrnInfoPtr pScrn) { Cg6Ptr pCg6; if (pScrn->driverPrivate == NULL) return; pCg6 = GET_CG6_FROM_SCRN(pScrn); free(pScrn->driverPrivate); pScrn->driverPrivate = NULL; return; } static const OptionInfoRec * CG6AvailableOptions(int chipid, int busid) { return CG6Options; } /* Mandatory */ static void CG6Identify(int flags) { xf86Msg(X_INFO, "%s: driver for CGsix (GX and Turbo GX)\n", CG6_NAME); } /* Mandatory */ static Bool CG6Probe(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(CG6_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(CG6_NAME, SBUS_DEVICE_CG6, 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 = CG6_VERSION; pScrn->driverName = CG6_DRIVER_NAME; pScrn->name = CG6_NAME; pScrn->Probe = CG6Probe; pScrn->PreInit = CG6PreInit; pScrn->ScreenInit = CG6ScreenInit; pScrn->SwitchMode = CG6SwitchMode; pScrn->AdjustFrame = CG6AdjustFrame; pScrn->EnterVT = CG6EnterVT; pScrn->LeaveVT = CG6LeaveVT; pScrn->FreeScreen = CG6FreeScreen; pScrn->ValidMode = CG6ValidMode; xf86AddEntityToScreen(pScrn, pEnt->index); foundScreen = TRUE; } free(pEnt); } free(usedChips); return foundScreen; } /* Mandatory */ static Bool CG6PreInit(ScrnInfoPtr pScrn, int flags) { Cg6Ptr pCg6; sbusDevicePtr psdp; MessageType from; int i; 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 Cg6Rec driverPrivate */ if (!CG6GetRec(pScrn)) { return FALSE; } pCg6 = GET_CG6_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]); /* CG6 is purely SBUS */ if (pEnt->location.type == BUS_SBUS) { psdp = xf86GetSbusInfoForEntity(pEnt->index); pCg6->psdp = psdp; } else return FALSE; } /********************* deal with depth *********************/ if (!xf86SetDepthBpp(pScrn, 8, 0, 0, NoDepth24Support)) { return FALSE; } else { /* Check that the returned depth is one we support */ switch (pScrn->depth) { 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 (!(pCg6->Options = malloc(sizeof(CG6Options)))) return FALSE; memcpy(pCg6->Options, CG6Options, sizeof(CG6Options)); xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pCg6->Options); if (!xf86SetDefaultVisual(pScrn, -1)) 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; } } /* Set the bits per RGB for 8bpp mode */ from = X_DEFAULT; /* determine whether we use hardware or software cursor */ pCg6->HWCursor = TRUE; if (xf86GetOptValBool(pCg6->Options, OPTION_HW_CURSOR, &pCg6->HWCursor)) from = X_CONFIG; if (xf86ReturnOptValBool(pCg6->Options, OPTION_SW_CURSOR, FALSE)) { from = X_CONFIG; pCg6->HWCursor = FALSE; } xf86DrvMsg(pScrn->scrnIndex, from, "Using %s cursor\n", pCg6->HWCursor ? "HW" : "SW"); if (xf86ReturnOptValBool(pCg6->Options, OPTION_NOACCEL, FALSE)) { pCg6->NoAccel = TRUE; xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Acceleration disabled\n"); } pCg6->useXAA = FALSE; char *optstr; optstr = (char *)xf86GetOptValString(pCg6->Options, OPTION_ACCELMETHOD); if (optstr == NULL) optstr = "exa"; if (xf86NameCmp(optstr, "xaa") == 0) pCg6->useXAA = TRUE; if (xf86LoadSubModule(pScrn, "fb") == NULL) { CG6FreeRec(pScrn); return FALSE; } if (pCg6->HWCursor && xf86LoadSubModule(pScrn, "ramdac") == NULL) { CG6FreeRec(pScrn); return FALSE; } /********************* set up clock and mode stuff *********************/ pScrn->progClock = TRUE; if(pScrn->display->virtualX || pScrn->display->virtualY) { xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "CG6 does not support a virtual desktop\n"); pScrn->display->virtualX = 0; pScrn->display->virtualY = 0; } xf86SbusUseBuiltinMode(pScrn, pCg6->psdp); pScrn->currentMode = pScrn->modes; pScrn->displayWidth = pScrn->virtualX; /* Set display resolution */ xf86SetDpi(pScrn, 0, 0); return TRUE; } /* Mandatory */ /* This gets called at the start of each server generation */ static Bool CG6ScreenInit(SCREEN_INIT_ARGS_DECL) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); Cg6Ptr pCg6; sbusDevicePtr psdp; int ret, prom, len, vmsize; char *b; pCg6 = GET_CG6_FROM_SCRN(pScrn); psdp = pCg6->psdp; /* Map the CG6 memory */ pCg6->fbc = xf86MapSbusMem(psdp, CG6_FBC_VOFF, sizeof(*pCg6->fbc)); pCg6->thc = xf86MapSbusMem(psdp, CG6_THC_VOFF, sizeof(*pCg6->thc)); /* * XXX need something better here - we rely on the OS to allow mmap()ing * usable VRAM ONLY. Works with NetBSD, may crash and burn on other OSes. */ pCg6->vidmem = 2 * 1024 * 1024; prom = sparcPromInit(); b = sparcPromGetProperty(&psdp->node, "vmsize", &len); if (len == 4 && b != NULL) { memcpy(&vmsize, b, 4); pCg6->vidmem = vmsize * 1024 * 1024; } if (prom) sparcPromClose(); pCg6->fb = xf86MapSbusMem(psdp, CG6_RAM_VOFF, pCg6->vidmem); if (pCg6->fb == NULL) { /* mapping 2MB failed - try 1MB */ pCg6->vidmem = 1024 * 1024; pCg6->fb = xf86MapSbusMem(psdp, CG6_RAM_VOFF, pCg6->vidmem); } if (pCg6->fb == NULL) { /* we can't map all video RAM - fall back to width*height */ pCg6->vidmem = psdp->width * psdp->height; pCg6->fb = xf86MapSbusMem(psdp, CG6_RAM_VOFF, pCg6->vidmem); } if (pCg6->fb != NULL) { xf86DrvMsg(pScrn->scrnIndex, X_INFO, "mapped %d KB video RAM\n", pCg6->vidmem >> 10); } if (!pCg6->fbc || !pCg6->thc || !pCg6->fb) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "xf86MapSbusMem failed fbc:%p fb:%p thc:%p\n", pCg6->fbc, pCg6->fb, pCg6->thc); if (pCg6->fbc) { xf86UnmapSbusMem(psdp, pCg6->fbc, sizeof(*pCg6->fbc)); pCg6->fbc = NULL; } if (pCg6->thc) { xf86UnmapSbusMem(psdp, pCg6->thc, sizeof(*pCg6->thc)); pCg6->thc = NULL; } if (pCg6->fb) { xf86UnmapSbusMem(psdp, pCg6->fb, pCg6->vidmem); pCg6->fb = NULL; } return FALSE; } /* Darken the screen for aesthetic reasons and set the viewport */ CG6SaveScreen(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 (); /* * Call the framebuffer layer's ScreenInit function, and fill in other * pScreen fields. */ ret = fbScreenInit(pScreen, pCg6->fb, pScrn->virtualX, pScrn->virtualY, pScrn->xDpi, pScrn->yDpi, pScrn->virtualX, 8); if (!ret) return FALSE; pCg6->width = pScrn->virtualX; pCg6->height = pScrn->virtualY; pCg6->maxheight = (pCg6->vidmem / pCg6->width) & 0xffff; fbPictureInit (pScreen, 0, 0); xf86SetBackingStore(pScreen); xf86SetSilkenMouse(pScreen); xf86SetBlackWhitePixels(pScreen); if (!pCg6->NoAccel) { #ifdef HAVE_XAA_H if (pCg6->useXAA) { BoxRec bx; if (!xf86LoadSubModule(pScrn, "xaa")) return FALSE; pCg6->pXAA=XAACreateInfoRec(); CG6AccelInit(pScrn); bx.x1=bx.y1=0; bx.x2=pCg6->width; bx.y2=pCg6->maxheight; xf86InitFBManager(pScreen,&bx); if(!XAAInit(pScreen, pCg6->pXAA)) return FALSE; xf86Msg(X_INFO, "%s: Using XAA acceleration\n", pCg6->psdp->device); } else #endif /* HAVE_XAA_H */ { /* EXA */ XF86ModReqInfo req; int errmaj, errmin; memset(&req, 0, sizeof(XF86ModReqInfo)); req.majorversion = EXA_VERSION_MAJOR; req.minorversion = EXA_VERSION_MINOR; if (!LoadSubModule(pScrn->module, "exa", NULL, NULL, NULL, &req, &errmaj, &errmin)) { LoaderErrorMsg(NULL, "exa", errmaj, errmin); return FALSE; } if (!CG6EXAInit(pScreen)) return FALSE; xf86Msg(X_INFO, "%s: Using EXA acceleration\n", pCg6->psdp->device); } } /* setup DGA */ Cg6DGAInit(pScreen); /* Initialise cursor functions */ miDCInitialize (pScreen, xf86GetPointerScreenFuncs()); /* Initialize HW cursor layer. Must follow software cursor initialization*/ if (pCg6->HWCursor) { extern Bool CG6HWCursorInit(ScreenPtr pScreen); if(!CG6HWCursorInit(pScreen)) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Hardware cursor initialization failed\n"); return(FALSE); } xf86SbusHideOsHwCursor(pCg6->psdp); } /* Initialise default colourmap */ if (!miCreateDefColormap(pScreen)) return FALSE; if(!xf86SbusHandleColormaps(pScreen, pCg6->psdp)) return FALSE; pCg6->CloseScreen = pScreen->CloseScreen; pScreen->CloseScreen = CG6CloseScreen; pScreen->SaveScreen = CG6SaveScreen; /* Report any unused options (only for the first generation) */ if (serverGeneration == 1) { xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options); } /* unblank the screen */ CG6SaveScreen(pScreen, SCREEN_SAVER_OFF); /* Done */ return TRUE; } /* Usually mandatory */ static Bool CG6SwitchMode(SWITCH_MODE_ARGS_DECL) { return TRUE; } /* * This function is used to initialize the Start Address - the first * displayed location in the video memory. */ /* Usually mandatory */ static void CG6AdjustFrame(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 CG6EnterVT(VT_FUNC_ARGS_DECL) { SCRN_INFO_PTR(arg); Cg6Ptr pCg6 = GET_CG6_FROM_SCRN(pScrn); if (pCg6->HWCursor) { xf86SbusHideOsHwCursor (pCg6->psdp); pCg6->CursorFg = 0; pCg6->CursorBg = 0; } return TRUE; } /* * This is called when VT switching away from the X server. */ /* Mandatory */ static void CG6LeaveVT(VT_FUNC_ARGS_DECL) { 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 CG6CloseScreen(CLOSE_SCREEN_ARGS_DECL) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); Cg6Ptr pCg6 = GET_CG6_FROM_SCRN(pScrn); sbusDevicePtr psdp = pCg6->psdp; pScrn->vtSema = FALSE; if (pCg6->fbc) { xf86UnmapSbusMem(psdp, pCg6->fbc, sizeof(*pCg6->fbc)); pCg6->fbc = NULL; } if (pCg6->thc) { xf86UnmapSbusMem(psdp, pCg6->thc, sizeof(*pCg6->thc)); pCg6->thc = NULL; } if (pCg6->fb) { xf86UnmapSbusMem(psdp, pCg6->fb, pCg6->vidmem); pCg6->fb = NULL; } if (pCg6->HWCursor) xf86SbusHideOsHwCursor(pCg6->psdp); pScreen->CloseScreen = pCg6->CloseScreen; return (*pScreen->CloseScreen)(CLOSE_SCREEN_ARGS); } /* Free up any per-generation data structures */ /* Optional */ static void CG6FreeScreen(FREE_SCREEN_ARGS_DECL) { SCRN_INFO_PTR(arg); CG6FreeRec(pScrn); } /* Checks if a mode is suitable for the selected chipset. */ /* Optional */ static ModeStatus CG6ValidMode(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 CG6SaveScreen(ScreenPtr pScreen, int mode) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; Cg6Ptr pCg6 = GET_CG6_FROM_SCRN(pScrn); unsigned int tmp = pCg6->thc->thc_misc; switch(mode) { case SCREEN_SAVER_ON: case SCREEN_SAVER_CYCLE: tmp &= ~CG6_THC_MISC_SYNC_ENAB; break; case SCREEN_SAVER_OFF: case SCREEN_SAVER_FORCER: tmp |= CG6_THC_MISC_SYNC_ENAB; break; default: return FALSE; } pCg6->thc->thc_misc = tmp; return TRUE; } static Bool CG6DriverFunc(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; } }