/* * Leo (ZX) 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 "xf86.h" #include "xf86_OSproc.h" #include "mipointer.h" #include "micmap.h" #include "fb.h" #include "xf86cmap.h" #include "leo.h" static const OptionInfoRec * LeoAvailableOptions(int chipid, int busid); static void LeoIdentify(int flags); static Bool LeoProbe(DriverPtr drv, int flags); static Bool LeoPreInit(ScrnInfoPtr pScrn, int flags); static Bool LeoScreenInit(SCREEN_INIT_ARGS_DECL); static Bool LeoEnterVT(VT_FUNC_ARGS_DECL); static void LeoLeaveVT(VT_FUNC_ARGS_DECL); static Bool LeoCloseScreen(CLOSE_SCREEN_ARGS_DECL); static Bool LeoSaveScreen(ScreenPtr pScreen, int mode); /* Required if the driver supports mode switching */ static Bool LeoSwitchMode(SWITCH_MODE_ARGS_DECL); /* Required if the driver supports moving the viewport */ static void LeoAdjustFrame(ADJUST_FRAME_ARGS_DECL); /* Optional functions */ static void LeoFreeScreen(FREE_SCREEN_ARGS_DECL); static ModeStatus LeoValidMode(SCRN_ARG_TYPE arg, DisplayModePtr mode, Bool verbose, int flags); void LeoSync(ScrnInfoPtr pScrn); #define LEO_VERSION 4000 #define LEO_NAME "SUNLEO" #define LEO_DRIVER_NAME "sunleo" #define LEO_MAJOR_VERSION PACKAGE_VERSION_MAJOR #define LEO_MINOR_VERSION PACKAGE_VERSION_MINOR #define LEO_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 SUNLEO = { LEO_VERSION, LEO_DRIVER_NAME, LeoIdentify, LeoProbe, LeoAvailableOptions, NULL, 0 }; typedef enum { OPTION_SW_CURSOR, OPTION_HW_CURSOR, OPTION_NOACCEL } LeoOpts; static const OptionInfoRec LeoOptions[] = { { OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE }, { OPTION_HW_CURSOR, "HWcursor", OPTV_BOOLEAN, {0}, FALSE }, { OPTION_NOACCEL, "NoAccel", OPTV_BOOLEAN, {0}, FALSE }, { -1, NULL, OPTV_NONE, {0}, FALSE } }; #ifdef XFree86LOADER static MODULESETUPPROTO(leoSetup); static XF86ModuleVersionInfo sunleoVersRec = { "sunleo", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XORG_VERSION_CURRENT, LEO_MAJOR_VERSION, LEO_MINOR_VERSION, LEO_PATCHLEVEL, ABI_CLASS_VIDEODRV, ABI_VIDEODRV_VERSION, MOD_CLASS_VIDEODRV, {0,0,0,0} }; _X_EXPORT XF86ModuleData sunleoModuleData = { &sunleoVersRec, leoSetup, NULL }; pointer leoSetup(pointer module, pointer opts, int *errmaj, int *errmin) { static Bool setupDone = FALSE; if (!setupDone) { setupDone = TRUE; xf86AddDriver(&SUNLEO, module, 0); /* * 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; } } #endif /* XFree86LOADER */ static Bool LeoGetRec(ScrnInfoPtr pScrn) { /* * Allocate an LeoRec, 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(LeoRec), 1); return TRUE; } static void LeoFreeRec(ScrnInfoPtr pScrn) { LeoPtr pLeo; if (pScrn->driverPrivate == NULL) return; pLeo = GET_LEO_FROM_SCRN(pScrn); free(pScrn->driverPrivate); pScrn->driverPrivate = NULL; return; } static const OptionInfoRec * LeoAvailableOptions(int chipid, int busid) { return LeoOptions; } /* Mandatory */ static void LeoIdentify(int flags) { xf86Msg(X_INFO, "%s: driver for Leo (ZX)\n", LEO_NAME); } /* Mandatory */ static Bool LeoProbe(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(LEO_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(LEO_NAME, SBUS_DEVICE_LEO, 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 = LEO_VERSION; pScrn->driverName = LEO_DRIVER_NAME; pScrn->name = LEO_NAME; pScrn->Probe = LeoProbe; pScrn->PreInit = LeoPreInit; pScrn->ScreenInit = LeoScreenInit; pScrn->SwitchMode = LeoSwitchMode; pScrn->AdjustFrame = LeoAdjustFrame; pScrn->EnterVT = LeoEnterVT; pScrn->LeaveVT = LeoLeaveVT; pScrn->FreeScreen = LeoFreeScreen; pScrn->ValidMode = LeoValidMode; xf86AddEntityToScreen(pScrn, pEnt->index); foundScreen = TRUE; } free(pEnt); } free(usedChips); return foundScreen; } /* Mandatory */ static Bool LeoPreInit(ScrnInfoPtr pScrn, int flags) { LeoPtr pLeo; 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 LeoRec driverPrivate */ if (!LeoGetRec(pScrn)) { return FALSE; } pLeo = GET_LEO_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]); /* LEO is purely SBUS */ if (pEnt->location.type == BUS_SBUS) { psdp = xf86GetSbusInfoForEntity(pEnt->index); pLeo->psdp = psdp; } else return FALSE; } /********************* deal with depth *********************/ if (!xf86SetDepthBpp(pScrn, 32, 0, 32, Support32bppFb)) { return FALSE; } else { /* Check that the returned depth is one we support */ switch (pScrn->depth) { case 32: case 24: /* 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 (!(pLeo->Options = malloc(sizeof(LeoOptions)))) return FALSE; memcpy(pLeo->Options, LeoOptions, sizeof(LeoOptions)); xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pLeo->Options); /* * This must happen after pScrn->display has been set because * xf86SetWeight references it. */ if (pScrn->depth > 8) { rgb weight = {0, 0, 0}; rgb mask = {0xff, 0xff00, 0xff0000}; if (!xf86SetWeight(pScrn, weight, mask)) { return FALSE; } } if (!xf86SetDefaultVisual(pScrn, -1)) { return FALSE; } else { /* 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; } } /* Set the bits per RGB for 8bpp mode */ from = X_DEFAULT; /* determine whether we use hardware or software cursor */ pLeo->HWCursor = TRUE; if (xf86GetOptValBool(pLeo->Options, OPTION_HW_CURSOR, &pLeo->HWCursor)) from = X_CONFIG; if (xf86ReturnOptValBool(pLeo->Options, OPTION_SW_CURSOR, FALSE)) { from = X_CONFIG; pLeo->HWCursor = FALSE; } xf86DrvMsg(pScrn->scrnIndex, from, "Using %s cursor\n", pLeo->HWCursor ? "HW" : "SW"); if (xf86ReturnOptValBool(pLeo->Options, OPTION_NOACCEL, FALSE)) { pLeo->NoAccel = TRUE; xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Acceleration disabled\n"); } if (xf86LoadSubModule(pScrn, "fb") == NULL) { LeoFreeRec(pScrn); return FALSE; } if (pLeo->HWCursor && xf86LoadSubModule(pScrn, "ramdac") == NULL) { LeoFreeRec(pScrn); return FALSE; } /********************* set up clock and mode stuff *********************/ pScrn->progClock = TRUE; if(pScrn->display->virtualX || pScrn->display->virtualY) { xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "Leo does not support a virtual desktop\n"); pScrn->display->virtualX = 0; pScrn->display->virtualY = 0; } xf86SbusUseBuiltinMode(pScrn, pLeo->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 LeoScreenInit(SCREEN_INIT_ARGS_DECL) { ScrnInfoPtr pScrn; LeoPtr pLeo; int ret; VisualPtr visual; extern Bool LeoAccelInit(ScreenPtr pScreen, LeoPtr pLeo); /* * First get the ScrnInfoRec */ pScrn = xf86ScreenToScrn(pScreen); pLeo = GET_LEO_FROM_SCRN(pScrn); /* Map the Leo memory */ pLeo->fb = xf86MapSbusMem (pLeo->psdp, LEO_FB0_VOFF, 0x803000); if (! pLeo->fb) return FALSE; /* Darken the screen for aesthetic reasons and set the viewport */ LeoSaveScreen(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(); /* Setup the visuals we support. */ if (!miSetVisualTypes(pScrn->depth, TrueColorMask, pScrn->rgbBits, pScrn->defaultVisual)) return FALSE; /* * Call the framebuffer layer's ScreenInit function, and fill in other * pScreen fields. */ ret = fbScreenInit(pScreen, pLeo->fb, pScrn->virtualX, pScrn->virtualY, pScrn->xDpi, pScrn->yDpi, 2048, pScrn->bitsPerPixel); if (!ret) 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; } } } if (!LeoAccelInit(pScreen, pLeo)) return FALSE; if (!pLeo->NoAccel) xf86Msg(X_INFO, "%s: Using acceleration\n", pLeo->psdp->device); /* Initialise cursor functions */ miDCInitialize (pScreen, xf86GetPointerScreenFuncs()); /* Initialize HW cursor layer. Must follow software cursor initialization*/ if (pLeo->HWCursor) { extern Bool LeoHWCursorInit(ScreenPtr pScreen); if(!LeoHWCursorInit(pScreen)) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Hardware cursor initialization failed\n"); return(FALSE); } xf86SbusHideOsHwCursor(pLeo->psdp); } /* Initialise default colourmap */ if (!miCreateDefColormap(pScreen)) return FALSE; pLeo->CloseScreen = pScreen->CloseScreen; pScreen->CloseScreen = LeoCloseScreen; pScreen->SaveScreen = LeoSaveScreen; /* Report any unused options (only for the first generation) */ if (serverGeneration == 1) { xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options); } /* unblank the screen */ LeoSaveScreen(pScreen, SCREEN_SAVER_OFF); /* Done */ return TRUE; } /* Usually mandatory */ static Bool LeoSwitchMode(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 LeoAdjustFrame(ADJUST_FRAME_ARGS_DECL) { /* we don't support virtual desktops */ return; } extern void LeoVtChange (ScreenPtr pScreen, int enter); /* * This is called when VT switching back to the X server. Its job is * to reinitialise the video mode. */ /* Mandatory */ static Bool LeoEnterVT(VT_FUNC_ARGS_DECL) { SCRN_INFO_PTR(arg); LeoPtr pLeo = GET_LEO_FROM_SCRN(pScrn); pLeo->vtSema = FALSE; LeoVtChange (pScrn->pScreen, TRUE); if (pLeo->HWCursor) xf86SbusHideOsHwCursor (pLeo->psdp); return TRUE; } /* * This is called when VT switching away from the X server. */ /* Mandatory */ static void LeoLeaveVT(VT_FUNC_ARGS_DECL) { SCRN_INFO_PTR(arg); LeoPtr pLeo = GET_LEO_FROM_SCRN(pScrn); LeoVtChange (pScrn->pScreen, FALSE); pLeo->vtSema = TRUE; } /* * 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 LeoCloseScreen(CLOSE_SCREEN_ARGS_DECL) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); LeoPtr pLeo = GET_LEO_FROM_SCRN(pScrn); pScrn->vtSema = FALSE; xf86UnmapSbusMem(pLeo->psdp, pLeo->fb, 0x803000); if (pLeo->HWCursor) xf86SbusHideOsHwCursor (pLeo->psdp); pScreen->CloseScreen = pLeo->CloseScreen; return (*pScreen->CloseScreen)(CLOSE_SCREEN_ARGS); return FALSE; } /* Free up any per-generation data structures */ /* Optional */ static void LeoFreeScreen(FREE_SCREEN_ARGS_DECL) { SCRN_INFO_PTR(arg); LeoFreeRec(pScrn); } /* Checks if a mode is suitable for the selected chipset. */ /* Optional */ static ModeStatus LeoValidMode(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 LeoSaveScreen(ScreenPtr pScreen, int mode) /* this function should blank the screen when unblank is FALSE and unblank it when unblank is TRUE -- it doesn't actually seem to be used for much though */ { return TRUE; } /* * This is the implementation of the Sync() function. */ void LeoSync(ScrnInfoPtr pScrn) { return; }