Esempio n. 1
0
/* Data from here is valid to all server generations */
static Bool NestedPreInit(ScrnInfoPtr pScrn, int flags) {
    NestedPrivatePtr pNested;
    char *originString = NULL;

    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "NestedPreInit\n");

    if (flags & PROBE_DETECT)
        return FALSE;

    if (!NestedAllocatePrivate(pScrn)) {
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Failed to allocate private\n");
        return FALSE;
    }

    pNested = PNESTED(pScrn);

    if (!xf86SetDepthBpp(pScrn, 0, 0, 0, Support24bppFb | Support32bppFb))
        return FALSE;
 
    xf86PrintDepthBpp(pScrn);

    if (pScrn->depth > 8) {
        rgb zeros = {0, 0, 0};
        if (!xf86SetWeight(pScrn, zeros, zeros)) {
            return FALSE;
        }
    }

    if (!xf86SetDefaultVisual(pScrn, -1))
        return FALSE;

    pScrn->monitor = pScrn->confScreen->monitor; /* XXX */

    xf86CollectOptions(pScrn, NULL);
    xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, NestedOptions);

    if (xf86IsOptionSet(NestedOptions, OPTION_DISPLAY)) {
        pNested->displayName = xf86GetOptValString(NestedOptions,
                                                   OPTION_DISPLAY);
        xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Using display \"%s\"\n",
                   pNested->displayName);
    } else {
        pNested->displayName = NULL;
    }

    if (xf86IsOptionSet(NestedOptions, OPTION_ORIGIN)) {
        originString = xf86GetOptValString(NestedOptions, OPTION_ORIGIN);
        if (sscanf(originString, "%d %d", &pNested->originX,
            &pNested->originY) != 2) {
            xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
                       "Invalid value for option \"Origin\"\n");
            return FALSE;
        }
        xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Using origin x:%d y:%d\n",
                   pNested->originX, pNested->originY);
    } else {
        pNested->originX = 0;
        pNested->originY = 0;
    }

    xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);

    if (!NestedClientCheckDisplay(pNested->displayName)) {
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Can't open display: %s\n",
                   pNested->displayName);
        return FALSE;
    }

    if (!NestedClientValidDepth(pScrn->depth)) {
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Invalid depth: %d\n",
                   pScrn->depth);
        return FALSE;
    }

    /*if (pScrn->depth > 1) {
        Gamma zeros = {0.0, 0.0, 0.0};
        if (!xf86SetGamma(pScrn, zeros))
            return FALSE;
    }*/

    if (NestedValidateModes(pScrn) < 1) {
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes\n");
        return FALSE;
    }


    if (!pScrn->modes) {
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes found\n");
        return FALSE;
    }
    xf86SetCrtcForModes(pScrn, 0);

    pScrn->currentMode = pScrn->modes;

    xf86SetDpi(pScrn, 0, 0);

    if (!xf86LoadSubModule(pScrn, "shadow"))
        return FALSE;
    if (!xf86LoadSubModule(pScrn, "fb"))
        return FALSE;
    if (!xf86LoadSubModule(pScrn, "ramdac"))
        return FALSE;

    pScrn->memPhysBase = 0;
    pScrn->fbOffset = 0;
    
    return TRUE;
}
void
xgiOptions(ScrnInfoPtr pScrn)
{
    XGIPtr      pXGI = XGIPTR(pScrn);
    MessageType from;
    char        *strptr;
    static const char *mybadparm = "\"%s\" is is not a valid parameter for option \"%s\"\n";
    static const char *disabledstr = "disabled";
    static const char *enabledstr = "enabled";
    static const char *ilrangestr = "Illegal %s parameter. Valid range is %d through %d\n";

    /* Collect all of the relevant option flags (fill in pScrn->options) */
    xf86CollectOptions(pScrn, NULL);

    /* Process the options */
    if(!(pXGI->Options = malloc(sizeof(XGIOptions)))) return;

    memcpy(pXGI->Options, XGIOptions, sizeof(XGIOptions));

    xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pXGI->Options);

    /* Set defaults */
/*
#ifdef __powerpc__
    pXGI->NoAccel = TRUE;
#endif 
*/
    pXGI->TurboQueue = TRUE;
#ifdef XGIVRAMQ
    /* TODO: Option (315 series VRAM command queue) */
    /* But beware: xgifb does not know about this!!! */
    pXGI->cmdQueueSize = 512*1024;
#endif
    pXGI->doRender = TRUE;
    pXGI->HWCursor = TRUE;
    pXGI->Rotate = FALSE;
    pXGI->ShadowFB = FALSE;

	/* Jong 01/22/2009; only XG40 has 3-d feature */
	if(pXGI->Chipset == PCI_CHIP_XGIXG40)
		pXGI->loadDRI = TRUE;
	else
		pXGI->loadDRI = FALSE;

    pXGI->agpWantedPages = AGP_PAGES;
    pXGI->NoXvideo = FALSE;
    pXGI->maxxfbmem = 0;
    pXGI->OptROMUsage = -1;
    pXGI->noInternalModes = FALSE;
    pXGI->NonDefaultPAL = pXGI->NonDefaultNTSC = -1;
    pXGI->restorebyset = TRUE;
    pXGI->nocrt2ddcdetection = FALSE;
    pXGI->forcecrt2redetection = TRUE;   /* default changed since 13/09/2003 */
    pXGI->SenseYPbPr = TRUE;
    pXGI->ForceCRT1Type = CRT1_VGA;
    pXGI->ForceCRT2Type = CRT2_DEFAULT;
    pXGI->ForceYPbPrAR = TV_YPBPR169;
    pXGI->ForceTVType = -1;
    pXGI->CRT1gamma = TRUE;
    pXGI->CRT1gammaGiven = FALSE;
    pXGI->CRT2gamma = TRUE;
    pXGI->XvGamma = FALSE;
    pXGI->XvGammaGiven = FALSE;
    pXGI->enablexgictrl = FALSE;
 
       pXGI->XvDefBri = 0;
       pXGI->XvDefCon = 4;

    pXGI->XvDefHue = 0;
    pXGI->XvDefSat = 0;
    pXGI->XvDefDisableGfx = FALSE;
    pXGI->XvDefDisableGfxLR = FALSE;
    pXGI->XvUseMemcpy = TRUE;
    pXGI->XvGammaRed = pXGI->XvGammaGreen = pXGI->XvGammaBlue = 1000;
#ifdef XGIMERGED
    pXGI->MergedFB = pXGI->MergedFBAuto = FALSE;
    pXGI->CRT2Position = xgiRightOf;
    pXGI->CRT2HSync = NULL;
    pXGI->CRT2VRefresh = NULL;
    pXGI->MetaModes = NULL;
    pXGI->MergedFBXDPI = pXGI->MergedFBYDPI = 0;
#ifdef XGIXINERAMA
    pXGI->UsexgiXinerama = TRUE;
    pXGI->CRT2IsScrn0 = FALSE;
#endif
#endif
#ifdef XGI_CP
    XGI_CP_OPT_DEFAULT
#endif


    /* Collect the options */

	int	TargetRefreshRate = 0;
    if(xf86GetOptValInteger(pXGI->Options /* pScrn->monitor->options */, OPTION_TARGET_RATE, &TargetRefreshRate)) 
	{
		xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Monitor (Option) : Set target refresh rate at %d for all modes...\n", TargetRefreshRate);
	}

    pXGI->TargetRefreshRate = TargetRefreshRate;

	pXGI->IgnoreDDC = FALSE;
    if(xf86GetOptValBool(pXGI->Options, OPTION_IGNORE_DDC, &pXGI->IgnoreDDC))
	{
		if(pXGI->IgnoreDDC == TRUE)
			xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Monitor (Option) : IgnoreDDC \n");
	} 
#if 0 /* can support 1280x768 but not being applied */
	else
	{
		pXGI->IgnoreDDC = TRUE;
		xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Monitor (Option) : set IgnoreDDC as default\n");
	}
#endif

	pXGI->Non_DDC_DefaultMode = FALSE;
	pXGI->Non_DDC_DefaultResolutionX = 1024;
	pXGI->Non_DDC_DefaultResolutionY = 768;
	pXGI->Non_DDC_DefaultRefreshRate = 60;

	char	ModeStringFormat[32] = 	"%[^x]x%[^@]@%[^\n]" /* "%[^x]+%[^@]+%[^H^z]" */;
    char*   Non_DDCDefaultMode = "";
    char   Non_DDCDefaultResolutionX[8] = "";
    char   Non_DDCDefaultResolutionY[8] = "";
    char   Non_DDCDefaultRefreshRate[8] = "";

	/* strcpy(ModeStringFormat, "%[^+]x%[^+]@%[^\n]"); */

	if((Non_DDCDefaultMode = (char *)xf86GetOptValString(pXGI->Options, OPTION_NONDDC_DEFAULT_MODE))) 
	{
		sscanf(Non_DDCDefaultMode, ModeStringFormat, 
				Non_DDCDefaultResolutionX , 
				Non_DDCDefaultResolutionY , 
				Non_DDCDefaultRefreshRate  );

		if( (xf86NameCmp(Non_DDCDefaultResolutionX,"") == NULL) || (xf86NameCmp(Non_DDCDefaultResolutionY,"") == NULL) ) 
		{
			strcpy(Non_DDCDefaultResolutionX, "1024");
			strcpy(Non_DDCDefaultResolutionY, "768");
		}

		if( (xf86NameCmp(Non_DDCDefaultRefreshRate,"") == NULL) || (xf86NameCmp(Non_DDCDefaultRefreshRate,"auto") == NULL) ) 
				strcpy(Non_DDCDefaultRefreshRate, "60");

		ErrorF("Non-DDC default mode is (%s x %s @ %s Hz)...\n", 
					Non_DDCDefaultResolutionX ,
					Non_DDCDefaultResolutionY ,
					Non_DDCDefaultRefreshRate );

		pXGI->Non_DDC_DefaultMode = TRUE;

		pXGI->Non_DDC_DefaultResolutionX = atoi(Non_DDCDefaultResolutionX);
		pXGI->Non_DDC_DefaultResolutionY = atoi(Non_DDCDefaultResolutionY);
		pXGI->Non_DDC_DefaultRefreshRate = atoi(Non_DDCDefaultRefreshRate);

		ErrorF("Non-DDC default mode is (%d x %d @ %d Hz)...\n", 
					pXGI->Non_DDC_DefaultResolutionX ,
					pXGI->Non_DDC_DefaultResolutionY ,
					pXGI->Non_DDC_DefaultRefreshRate );
	}

	/* Jong@09092009; gamma value */
	g_GammaRed = g_GammaGreen = g_GammaBlue = 1000;

	char	GammaStringFormat[32] = "%[^,],%[^,],%[^\n]";
    char*   GammaRGB = "";
    char   GammaRed[8] = "";
    char   GammaGreen[8] = "";
    char   GammaBlue[8] = "";

	if((GammaRGB = (char *)xf86GetOptValString(pXGI->Options, OPTION_GAMMA_RGB))) 
	{
		ErrorF("GammaRGB is (%s) from xorg.conf\n", GammaRGB);
		sscanf(GammaRGB, GammaStringFormat, 
				GammaRed , 
				GammaGreen , 
				GammaBlue  );
		ErrorF("GammaRGB is (%s, %s, %s) after parsing\n", GammaRed, GammaGreen, GammaBlue);
		
		g_GammaRed = atoi(GammaRed);
		g_GammaGreen = atoi(GammaGreen);
		g_GammaBlue = atoi(GammaBlue);

		ErrorF("GammaRGB is (%d, %d, %d) after atoi()\n", g_GammaRed, g_GammaGreen, g_GammaBlue);
	}

    /* MaxXFBMem
     * This options limits the amount of video memory X uses for screen
     * and off-screen buffers. This option should be used if using DRI
     * is intended. The kernel framebuffer driver required for DRM will
     * start its memory heap at 12MB if it detects more than 16MB, at 8MB if
     * between 8 and 16MB are available, otherwise at 4MB. So, if the amount
     * of memory X uses, a clash between the framebuffer's memory heap
     * and X is avoided. The amount is to be specified in KB.
     */
    if(xf86GetOptValULong(pXGI->Options, OPTION_MAXXFBMEM,
                                &pXGI->maxxfbmem)) {
            xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
                    "MaxXFBMem: Framebuffer memory shall be limited to %ld KB\n",
		    pXGI->maxxfbmem);
	    pXGI->maxxfbmem *= 1024;
    }

    /* NoAccel
     * Turns off 2D acceleration
     */
    if(xf86ReturnOptValBool(pXGI->Options, OPTION_NOACCEL, FALSE)) {
        pXGI->NoAccel = TRUE;
	xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "2D Acceleration disabled\n");
    }

	/* Jong@10022009; for xvinfo */
	if ((pXGI->Chipset== PCI_CHIP_XGIXG20)||(pXGI->Chipset== PCI_CHIP_XGIXG21)||(pXGI->Chipset== PCI_CHIP_XGIXG27))
		pXGI->NoXvideo = TRUE; 
		
	pXGI->useEXA = FALSE; /* default : XAA */
    if(!pXGI->NoAccel) 
	{
		from = X_DEFAULT;
		if((strptr = (char *)xf86GetOptValString(pXGI->Options, OPTION_ACCELMETHOD))) {
			if(!xf86NameCmp(strptr,"XAA")) {
				from = X_CONFIG;
				pXGI->useEXA = FALSE;
			} else if(!xf86NameCmp(strptr,"EXA")) {
				from = X_CONFIG;
				pXGI->useEXA = TRUE;
			}
		}

		xf86DrvMsg(pScrn->scrnIndex, from, "Using %s acceleration architecture\n",
			pXGI->useEXA ? "EXA" : "XAA");
    }

    /* SWCursor
     * HWCursor
     * Chooses whether to use the hardware or software cursor
     */
    from = X_DEFAULT;
    if(xf86GetOptValBool(pXGI->Options, OPTION_HW_CURSOR, &pXGI->HWCursor)) {
        from = X_CONFIG;
    }
    if(xf86ReturnOptValBool(pXGI->Options, OPTION_SW_CURSOR, FALSE)) {
        from = X_CONFIG;
        pXGI->HWCursor = FALSE;
    }
    xf86DrvMsg(pScrn->scrnIndex, from, "Using %s cursor\n",
                                pXGI->HWCursor ? "HW" : "SW");

    /*
     * MergedFB
     *
     * Enable/disable and configure merged framebuffer mode
     *
     */
#ifdef XGIMERGED
    if (IS_DUAL_HEAD(pXGI)) {
       Bool val;
       if(xf86GetOptValBool(pXGI->Options, OPTION_MERGEDFB, &val)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
	     "Option \"MergedFB\" cannot be used in Dual Head mode\n");
       }
    } else
#endif

    /* Some options can only be specified in the Master Head's Device
     * section. Here we give the user a hint in the log.
     */
    if (IS_DUAL_HEAD(pXGI) && IS_SECOND_HEAD(pXGI)) {
       static const char *mystring = "Option \"%s\" is only accepted in Master Head's device section\n";
       Bool val;

       if(xf86GetOptValBool(pXGI->Options, OPTION_TURBOQUEUE, &val)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "TurboQueue");
       }
       if(xf86GetOptValBool(pXGI->Options, OPTION_RESTOREBYSET, &val)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "RestoreBySetMode");
       }
       if(xf86GetOptValBool(pXGI->Options, OPTION_ENABLEHOTKEY, &val)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "EnableHotKey");
       }
       if(xf86GetOptValBool(pXGI->Options, OPTION_ENABLEXGICTRL, &val)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "EnableXGICtrl");
       }
       if(xf86GetOptValBool(pXGI->Options, OPTION_USEROMDATA, &val)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "UseROMData");
       }
       if(xf86GetOptValBool(pXGI->Options, OPTION_NODDCFORCRT2, &val)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "NoCRT2Detection");
       }
       if(xf86GetOptValBool(pXGI->Options, OPTION_FORCECRT2REDETECTION, &val)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "ForceCRT2ReDetection");
       }
       if(xf86GetOptValBool(pXGI->Options, OPTION_SENSEYPBPR, &val)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "SenseYPbPr");
       }
       if(xf86GetOptValString(pXGI->Options, OPTION_FORCE_CRT1TYPE)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "ForceCRT1Type");
       }
       if(xf86GetOptValString(pXGI->Options, OPTION_FORCE_CRT2TYPE)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "ForceCRT2Type");
       }
       if(xf86GetOptValString(pXGI->Options, OPTION_YPBPRAR)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "YPbPrAspectRatio");
       }
       if(xf86GetOptValString(pXGI->Options, OPTION_SPECIALTIMING)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "SpecialTiming");
       }
       if(xf86GetOptValBool(pXGI->Options, OPTION_CRT2GAMMA, &val)) {
          xf86DrvMsg(pScrn->scrnIndex, X_WARNING, mystring, "CRT2Gamma");
       }
#ifdef XGI_CP
       XGI_CP_OPT_DH_WARN
#endif
    }
    else {
Esempio n. 3
0
static Bool
PreInit(ScrnInfoPtr pScrn, int flags)
{
    modesettingPtr ms;
    rgb defaultWeight = { 0, 0, 0 };
    EntityInfoPtr pEnt;
    EntPtr msEnt = NULL;
    char *BusID = NULL;
    const char *devicename;
    Bool prefer_shadow = TRUE;
    uint64_t value = 0;
    int ret;
    int bppflags;
    int defaultdepth, defaultbpp;

    if (pScrn->numEntities != 1)
	return FALSE;

    pEnt = xf86GetEntityInfo(pScrn->entityList[0]);

    if (flags & PROBE_DETECT) {
	return FALSE;
    }

    /* Allocate driverPrivate */
    if (!GetRec(pScrn))
	return FALSE;

    ms = modesettingPTR(pScrn);
    ms->SaveGeneration = -1;
    ms->pEnt = pEnt;

    pScrn->displayWidth = 640;	       /* default it */

    /* Allocate an entity private if necessary */
    if (xf86IsEntityShared(pScrn->entityList[0])) {
	msEnt = xf86GetEntityPrivate(pScrn->entityList[0],
				     modesettingEntityIndex)->ptr;
	ms->entityPrivate = msEnt;
    } else
	ms->entityPrivate = NULL;

    if (xf86IsEntityShared(pScrn->entityList[0])) {
	if (xf86IsPrimInitDone(pScrn->entityList[0])) {
	    /* do something */
	} else {
	    xf86SetPrimInitDone(pScrn->entityList[0]);
	}
    }

    pScrn->monitor = pScrn->confScreen->monitor;
    pScrn->progClock = TRUE;
    pScrn->rgbBits = 8;

#if XSERVER_PLATFORM_BUS
    if (pEnt->location.type == BUS_PLATFORM) {
#ifdef XF86_PDEV_SERVER_FD
        if (pEnt->location.id.plat->flags & XF86_PDEV_SERVER_FD)
            ms->fd = xf86_get_platform_device_int_attrib(pEnt->location.id.plat, ODEV_ATTRIB_FD, -1);
        else
#endif
        {
            char *path = xf86_get_platform_device_attrib(pEnt->location.id.plat, ODEV_ATTRIB_PATH);
            ms->fd = open_hw(path);
        }
    }
    else 
#endif
    if (pEnt->location.type == BUS_PCI) {
        ms->PciInfo = xf86GetPciInfoForEntity(ms->pEnt->index);
        if (ms->PciInfo) {
            BusID = malloc(64);
            sprintf(BusID, "PCI:%d:%d:%d",
#if XSERVER_LIBPCIACCESS
                    ((ms->PciInfo->domain << 8) | ms->PciInfo->bus),
                    ms->PciInfo->dev, ms->PciInfo->func
#else
                    ((pciConfigPtr) ms->PciInfo->thisCard)->busnum,
                    ((pciConfigPtr) ms->PciInfo->thisCard)->devnum,
                    ((pciConfigPtr) ms->PciInfo->thisCard)->funcnum
#endif
                );
        }
        ms->fd = drmOpen(NULL, BusID);
    } else {
        devicename = xf86FindOptionValue(ms->pEnt->device->options, "kmsdev");
        ms->fd = open_hw(devicename);
    }
    if (ms->fd < 0)
	return FALSE;

    ms->drmmode.fd = ms->fd;

#ifdef MODESETTING_OUTPUT_SLAVE_SUPPORT
    pScrn->capabilities = 0;
#ifdef DRM_CAP_PRIME
    ret = drmGetCap(ms->fd, DRM_CAP_PRIME, &value);
    if (ret == 0) {
        if (value & DRM_PRIME_CAP_IMPORT)
            pScrn->capabilities |= RR_Capability_SinkOutput;
    }
#endif
#endif
    drmmode_get_default_bpp(pScrn, &ms->drmmode, &defaultdepth, &defaultbpp);
    if (defaultdepth == 24 && defaultbpp == 24)
	    bppflags = SupportConvert32to24 | Support24bppFb;
    else
	    bppflags = PreferConvert24to32 | SupportConvert24to32 | Support32bppFb;
    
    if (!xf86SetDepthBpp
	(pScrn, defaultdepth, defaultdepth, defaultbpp, bppflags))
	return FALSE;

    switch (pScrn->depth) {
    case 15:
    case 16:
    case 24:
	break;
    default:
	xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
		   "Given depth (%d) is not supported by the driver\n",
		   pScrn->depth);
	return FALSE;
    }
    xf86PrintDepthBpp(pScrn);

    /* Process the options */
    xf86CollectOptions(pScrn, NULL);
    if (!(ms->Options = malloc(sizeof(Options))))
	return FALSE;
    memcpy(ms->Options, Options, sizeof(Options));
    xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, ms->Options);

    if (!xf86SetWeight(pScrn, defaultWeight, defaultWeight))
	return FALSE;
    if (!xf86SetDefaultVisual(pScrn, -1))
	return FALSE;

    if (xf86ReturnOptValBool(ms->Options, OPTION_SW_CURSOR, FALSE)) {
	ms->drmmode.sw_cursor = TRUE;
    }

    ret = drmGetCap(ms->fd, DRM_CAP_DUMB_PREFER_SHADOW, &value);
    if (!ret) {
	prefer_shadow = !!value;
    }

    ms->cursor_width = 64;
    ms->cursor_height = 64;
    ret = drmGetCap(ms->fd, DRM_CAP_CURSOR_WIDTH, &value);
    if (!ret) {
	ms->cursor_width = value;
    }
    ret = drmGetCap(ms->fd, DRM_CAP_CURSOR_HEIGHT, &value);
    if (!ret) {
	ms->cursor_height = value;
    }

    ms->drmmode.shadow_enable = xf86ReturnOptValBool(ms->Options, OPTION_SHADOW_FB, prefer_shadow);

    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "ShadowFB: preferred %s, enabled %s\n", prefer_shadow ? "YES" : "NO", ms->drmmode.shadow_enable ? "YES" : "NO");
    if (drmmode_pre_init(pScrn, &ms->drmmode, pScrn->bitsPerPixel / 8) == FALSE) {
	xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "KMS setup failed\n");
	goto fail;
    }

    /*
     * If the driver can do gamma correction, it should call xf86SetGamma() here.
     */
    {
	Gamma zeros = { 0.0, 0.0, 0.0 };

	if (!xf86SetGamma(pScrn, zeros)) {
	    return FALSE;
	}
    }

    if (pScrn->modes == NULL) {
	xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No modes.\n");
	return FALSE;
    }

    pScrn->currentMode = pScrn->modes;

    /* Set display resolution */
    xf86SetDpi(pScrn, 0, 0);

    /* Load the required sub modules */
    if (!xf86LoadSubModule(pScrn, "fb")) {
	return FALSE;
    }

    if (ms->drmmode.shadow_enable) {
	if (!xf86LoadSubModule(pScrn, "shadow")) {
	    return FALSE;
	}
    }

    return TRUE;
    fail:
    return FALSE;
}
static Bool
TegraPreInit(ScrnInfoPtr pScrn, int flags)
{
    TegraPtr tegra;
    rgb defaultWeight = { 0, 0, 0 };
    EntityInfoPtr pEnt;
    EntPtr tegraEnt = NULL;
    Bool prefer_shadow = TRUE;
    uint64_t value = 0;
    int ret;
    int bppflags;
    int defaultdepth, defaultbpp;
    Gamma zeros = { 0.0, 0.0, 0.0 };
    const char *path;

    if (pScrn->numEntities != 1)
        return FALSE;

    pEnt = xf86GetEntityInfo(pScrn->entityList[0]);

    if (flags & PROBE_DETECT)
        return FALSE;

    /* Allocate driverPrivate */
    if (!GetRec(pScrn))
        return FALSE;

    tegra = TegraPTR(pScrn);
    tegra->pEnt = pEnt;

    pScrn->displayWidth = 640; /* default it */

    /* Allocate an entity private if necessary */
    if (xf86IsEntityShared(pScrn->entityList[0])) {
        tegraEnt = xf86GetEntityPrivate(pScrn->entityList[0],
                                        tegraEntityIndex)->ptr;
        tegra->entityPrivate = tegraEnt;
    } else
        tegra->entityPrivate = NULL;

    if (xf86IsEntityShared(pScrn->entityList[0])) {
        if (xf86IsPrimInitDone(pScrn->entityList[0])) {
            /* do something */
        } else {
            xf86SetPrimInitDone(pScrn->entityList[0]);
        }
    }

    pScrn->monitor = pScrn->confScreen->monitor;
    pScrn->progClock = TRUE;
    pScrn->rgbBits = 8;

    switch (pEnt->location.type) {
#ifdef XSERVER_PLATFORM_BUS
    case BUS_PLATFORM:
        path = xf86_get_platform_device_attrib(pEnt->location.id.plat,
                                               ODEV_ATTRIB_PATH);
        break;
#endif

    default:
        path = xf86GetOptValString(tegra->pEnt->device->options,
                                   OPTION_DEVICE_PATH);
        break;
    }

    tegra->fd = TegraOpenHardware(path);
    if (tegra->fd < 0)
        return FALSE;

    tegra->drmmode.fd = tegra->fd;

#ifdef TEGRA_OUTPUT_SLAVE_SUPPORT
    pScrn->capabilities = 0;
#ifdef DRM_CAP_PRIME
    ret = drmGetCap(tegra->fd, DRM_CAP_PRIME, &value);
    if (ret == 0) {
        if (value & DRM_PRIME_CAP_IMPORT)
            pScrn->capabilities |= RR_Capability_SinkOutput;
    }
#endif
#endif
    drmmode_get_default_bpp(pScrn, &tegra->drmmode, &defaultdepth, &defaultbpp);
    if (defaultdepth == 24 && defaultbpp == 24)
        bppflags = Support24bppFb;
    else
        bppflags = PreferConvert24to32 | SupportConvert24to32 | Support32bppFb;

    if (!xf86SetDepthBpp(pScrn, defaultdepth, defaultdepth, defaultbpp,
                         bppflags))
        return FALSE;

    switch (pScrn->depth) {
    case 15:
    case 16:
    case 24:
        break;

    default:
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
                   "Given depth (%d) is not supported by the driver\n",
                   pScrn->depth);
        return FALSE;
    }

    xf86PrintDepthBpp(pScrn);

    /* Process the options */
    xf86CollectOptions(pScrn, NULL);

    tegra->Options = malloc(sizeof(Options));
    if (!tegra->Options)
        return FALSE;

    memcpy(tegra->Options, Options, sizeof(Options));
    xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, tegra->Options);

    if (!xf86SetWeight(pScrn, defaultWeight, defaultWeight))
        return FALSE;

    if (!xf86SetDefaultVisual(pScrn, -1))
        return FALSE;

    if (xf86ReturnOptValBool(tegra->Options, OPTION_SW_CURSOR, FALSE))
        tegra->drmmode.want_sw_cursor = TRUE;

    ret = drmGetCap(tegra->fd, DRM_CAP_DUMB_PREFER_SHADOW, &value);
    if (!ret)
        prefer_shadow = !!value;

    tegra->drmmode.shadow_enable = xf86ReturnOptValBool(tegra->Options,
                                                        OPTION_SHADOW_FB,
                                                        prefer_shadow);

    xf86DrvMsg(pScrn->scrnIndex, X_INFO,
               "ShadowFB: preferred %s, enabled %s\n",
               prefer_shadow ? "YES" : "NO",
               tegra->drmmode.shadow_enable ? "YES" : "NO");

    if (!drmmode_pre_init(pScrn, &tegra->drmmode, pScrn->bitsPerPixel / 8)) {
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "KMS setup failed\n");
        return FALSE;
    }

    if (tegra->drmmode.need_sw_cursor)
        tegra->drmmode.want_sw_cursor = TRUE;

    /*
     * If the driver can do gamma correction, it should call xf86SetGamma() here.
     */
    if (!xf86SetGamma(pScrn, zeros))
        return FALSE;

    if (pScrn->modes == NULL) {
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No modes.\n");
        return FALSE;
    }

    pScrn->currentMode = pScrn->modes;

    /* Set display resolution */
    xf86SetDpi(pScrn, 0, 0);

    /* Load the required sub modules */
    if (!xf86LoadSubModule(pScrn, "fb"))
        return FALSE;

    if (tegra->drmmode.shadow_enable) {
        if (!xf86LoadSubModule(pScrn, "shadow"))
            return FALSE;
    }

    return TRUE;
}
/*
 * ATIProcessOptions --
 *
 * This function extracts options from what was parsed out of the XF86Config
 * file.
 */
void
ATIProcessOptions
(
    ScrnInfoPtr pScreenInfo,
    ATIPtr      pATI
)
{
    OptionInfoPtr PublicOption = xnfalloc(ATIPublicOptionSize);
    OptionInfoRec PrivateOption[] =
    {
        {                       /* ON:  Let BIOS change display(s) */
            ATI_OPTION_BIOS_DISPLAY,    /* OFF:  Don't */
            "biosdisplay",
            OPTV_BOOLEAN,
            {0, },
            FALSE
        },
        {                       /* Negation of "PanelDisplay" public option */
            ATI_OPTION_CRT_SCREEN,
            "crtscreen",
            OPTV_BOOLEAN,
            {0, },
            FALSE
        },
        {                       /* ON:   Ease exploration of loose ends */
            ATI_OPTION_DEVEL,   /* OFF:  Fit for public consumption */
            "tsi",
            OPTV_BOOLEAN,
            {0, },
            FALSE
        },
        {                       /* ON:   Horizontally blend most modes */
            ATI_OPTION_BLEND,   /* OFF:  Use pixel replication more often */
            "lcdblend",
            OPTV_BOOLEAN,
            {0, },
            FALSE
        },
        {                       /* ON:   Use XF86Config porch timings */
            ATI_OPTION_LCDSYNC, /* OFF:  Use porches from mode on entry */
            "lcdsync",
            OPTV_BOOLEAN,
            {0, },
            FALSE
        },
        {
            -1,
            NULL,
            OPTV_NONE,
            {0, },
            FALSE
        }
    };

    (void)memcpy(PublicOption, ATIPublicOptions, ATIPublicOptionSize);

#   define ProbeSparse   PublicOption[ATI_OPTION_PROBE_SPARSE].value.bool
#   define Accel         PublicOption[ATI_OPTION_ACCEL].value.bool
#   define BIOSDisplay   PrivateOption[ATI_OPTION_BIOS_DISPLAY].value.bool
#   define Blend         PrivateOption[ATI_OPTION_BLEND].value.bool
#   define CRTDisplay    PublicOption[ATI_OPTION_CRT_DISPLAY].value.bool
#   define CRTScreen     PrivateOption[ATI_OPTION_CRT_SCREEN].value.bool
#   define CSync         PublicOption[ATI_OPTION_CSYNC].value.bool
#   define Devel         PrivateOption[ATI_OPTION_DEVEL].value.bool
#   define HWCursor      PublicOption[ATI_OPTION_HWCURSOR].value.bool

#ifdef XF86DRI_DEVEL

#   define IsPCI       PublicOption[ATI_OPTION_IS_PCI].value.bool
#   define DMAMode     PublicOption[ATI_OPTION_DMA_MODE].value.str
#   define AGPMode     PublicOption[ATI_OPTION_AGP_MODE].value.num
#   define AGPSize     PublicOption[ATI_OPTION_AGP_SIZE].value.num
#   define LocalTex    PublicOption[ATI_OPTION_LOCAL_TEXTURES].value.bool
#   define BufferSize  PublicOption[ATI_OPTION_BUFFER_SIZE].value.num

#endif /* XF86DRI_DEVEL */

#ifdef TV_OUT

#   define TvOut        PublicOption[ATI_OPTION_TV_OUT].value.bool
#   define TvStd        PublicOption[ATI_OPTION_TV_STD].value.str

#endif /* TV_OUT */

#   define CacheMMIO     PublicOption[ATI_OPTION_MMIO_CACHE].value.bool
#   define TestCacheMMIO PublicOption[ATI_OPTION_TEST_MMIO_CACHE].value.bool
#   define PanelDisplay  PublicOption[ATI_OPTION_PANEL_DISPLAY].value.bool
#   define ShadowFB      PublicOption[ATI_OPTION_SHADOW_FB].value.bool
#   define SWCursor      PublicOption[ATI_OPTION_SWCURSOR].value.bool
#   define AccelMethod   PublicOption[ATI_OPTION_ACCELMETHOD].value.str
#   define RenderAccel   PublicOption[ATI_OPTION_RENDER_ACCEL].value.bool
#   define LCDSync       PrivateOption[ATI_OPTION_LCDSYNC].value.bool

#   define ReferenceClock \
        PublicOption[ATI_OPTION_REFERENCE_CLOCK].value.freq.freq

    /* Pick up XF86Config options */
    xf86CollectOptions(pScreenInfo, NULL);

    /* Set non-zero defaults */
    Accel = CacheMMIO = HWCursor = TRUE;

    ReferenceClock = ((double)157500000.0) / ((double)11.0);

    ShadowFB = TRUE;

    Blend = PanelDisplay = TRUE;

#ifdef USE_EXA
    RenderAccel = TRUE;
#endif

#ifdef XF86DRI_DEVEL
    DMAMode = "async";
#endif

#ifdef TV_OUT
    TvStd = "None";  /* No tv standard change requested */
#endif

    xf86ProcessOptions(pScreenInfo->scrnIndex, pScreenInfo->options,
        PublicOption);
    xf86ProcessOptions(pScreenInfo->scrnIndex, pScreenInfo->options,
        PrivateOption);

    /* Move option values into driver private structure */
    pATI->OptionProbeSparse = ProbeSparse;
    pATI->OptionAccel = Accel;
    pATI->OptionBIOSDisplay = BIOSDisplay;
    pATI->OptionBlend = Blend;
    pATI->OptionCRTDisplay = CRTDisplay;
    pATI->OptionCSync = CSync;
    pATI->OptionDevel = Devel;

#ifdef TV_OUT

    if (TvOut && pATI->Chip < ATI_CHIP_264GT) {
       /* Only allow this for 3D Rage (I) or greater chip ID
	* AFAIK, no chips before this supported TV-Out
	* mach64VT has support for TV tuner, but no TV-Out
	*/
	xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
                "TV Out not supported for this chip.\n");
    } else {
	ATITVStandard std;
	pATI->OptionTvOut = TvOut;
	pATI->OptionTvStd = ATI_TV_STD_INVALID;
	for (std = 0; std < ATI_TV_STDS_MAX_VALID; std++) {
	    if (std != ATI_TV_STD_RESERVED1 && std != ATI_TV_STD_RESERVED2) {
		if (strncasecmp(TvStd, ATITVStandardNames[std], ATI_TV_STDS_NAME_MAXLEN)==0) {
		    pATI->OptionTvStd = std;
		    break;
		}
	    }
	}
    }

#endif /* TV_OUT */

    pATI->OptionMMIOCache = CacheMMIO;
    pATI->OptionTestMMIOCache = TestCacheMMIO;
    pATI->OptionShadowFB = ShadowFB;
    pATI->OptionLCDSync = LCDSync;

    /* "CRTScreen" is now "NoPanelDisplay" */
    if ((PanelDisplay != CRTScreen) ||
        PublicOption[ATI_OPTION_PANEL_DISPLAY].found)
        pATI->OptionPanelDisplay = PanelDisplay;
    else
        pATI->OptionPanelDisplay = !CRTScreen;

#ifdef XF86DRI_DEVEL

    pATI->OptionIsPCI = IsPCI;
    pATI->OptionAGPMode = AGPMode;
    pATI->OptionAGPSize = AGPSize;
    pATI->OptionLocalTextures = LocalTex;
    pATI->OptionBufferSize = BufferSize;

    if (strcasecmp(DMAMode, "async")==0)
        pATI->OptionDMAMode = MACH64_MODE_DMA_ASYNC;
    else if (strcasecmp(DMAMode, "sync")==0)
        pATI->OptionDMAMode = MACH64_MODE_DMA_SYNC;
    else if (strcasecmp(DMAMode, "mmio")==0 )
        pATI->OptionDMAMode = MACH64_MODE_MMIO;
    else {
        xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
		   "Unkown dma_mode: '%s'\n", DMAMode);
	xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, 
		   "Valid dma_mode options are: 'async','sync','mmio'\n");
        xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, 
		   "Defaulting to async DMA mode\n");
	pATI->OptionDMAMode = MACH64_MODE_DMA_ASYNC;
    }

#endif /* XF86DRI_DEVEL */

    /* Validate and set cursor options */
    pATI->Cursor = ATI_CURSOR_SOFTWARE;
    if (SWCursor || !HWCursor)
    {
        if (HWCursor && PublicOption[ATI_OPTION_HWCURSOR].found)
            xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
                "Option \"sw_cursor\" overrides Option \"hw_cursor\".\n");
    }
    else if (pATI->Chip < ATI_CHIP_264CT)
    {
        if (HWCursor && PublicOption[ATI_OPTION_HWCURSOR].found)
            xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
                "Option \"hw_cursor\" not supported in this configuration.\n");
    }
    else
    {
        pATI->Cursor = ATI_CURSOR_HARDWARE;
    }

    pATI->refclk = (int)ReferenceClock;

    pATI->useEXA = FALSE;
    if (pATI->OptionAccel)
    {
        MessageType from = X_DEFAULT;
#if defined(USE_EXA)
#if defined(USE_XAA)
        if (AccelMethod != NULL)
        {
            from = X_CONFIG;
            if (xf86NameCmp(AccelMethod, "EXA") == 0)
                pATI->useEXA = TRUE;
        }
#else /* USE_XAA */
        pATI->useEXA = TRUE;
#endif /* !USE_XAA */
#endif /* USE_EXA */
        xf86DrvMsg(pScreenInfo->scrnIndex, from,
            "Using %s acceleration architecture\n",
            pATI->useEXA ? "EXA" : "XAA");

#if defined(USE_EXA)
        if (pATI->useEXA && pATI->Chip >= ATI_CHIP_264GTPRO)
            pATI->RenderAccelEnabled = TRUE;

        if (pATI->useEXA && !RenderAccel)
            pATI->RenderAccelEnabled = FALSE;
#endif
    }

    free(PublicOption);
}
Esempio n. 6
0
/* Mandatory */
Bool
LgPreInit(ScrnInfoPtr pScrn, int flags)
{
	CirPtr pCir;
	vgaHWPtr hwp;
	MessageType from;
	int i;
	ClockRangePtr clockRanges;
	int fbPCIReg, ioPCIReg;
	char *s;

	if (flags & PROBE_DETECT)  {
	  cirProbeDDC( pScrn, xf86GetEntityInfo(pScrn->entityList[0])->index );
	  return TRUE;
	}
	
#ifdef LG_DEBUG
	ErrorF("LgPreInit\n");
#endif

	/* Check the number of entities, and fail if it isn't one. */
	if (pScrn->numEntities != 1)
		return FALSE;

	/* The vgahw module should be loaded here when needed */
	if (!xf86LoadSubModule(pScrn, "vgahw"))
		return FALSE;

	xf86LoaderReqSymLists(vgahwSymbols, NULL);

	/*
	 * Allocate a vgaHWRec
	 */
	if (!vgaHWGetHWRec(pScrn))
		return FALSE;

	hwp = VGAHWPTR(pScrn);
	vgaHWGetIOBase(hwp);

	/* Allocate the LgRec driverPrivate */
	if (!LgGetRec(pScrn))
		return FALSE;

	pCir = CIRPTR(pScrn);
	pCir->pScrn = pScrn;
	pCir->PIOReg = hwp->PIOOffset + 0x3CE;

	/* Get the entity, and make sure it is PCI. */
	pCir->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
	if (pCir->pEnt->location.type != BUS_PCI)
		return FALSE;
	pCir->Chipset = pCir->pEnt->chipset;

	/* Find the PCI info for this screen */
	pCir->PciInfo = xf86GetPciInfoForEntity(pCir->pEnt->index);
	pCir->PciTag = pciTag(pCir->PciInfo->bus,
								pCir->PciInfo->device,
								pCir->PciInfo->func);

	if (xf86LoadSubModule(pScrn, "int10")) {
	    xf86Int10InfoPtr int10InfoPtr;
	    xf86LoaderReqSymLists(int10Symbols, NULL);
	    
	    int10InfoPtr = xf86InitInt10(pCir->pEnt->index);

	    if (int10InfoPtr)
		xf86FreeInt10(int10InfoPtr);
	}

	/* Set pScrn->monitor */
	pScrn->monitor = pScrn->confScreen->monitor;

	/*
	 * The first thing we should figure out is the depth, bpp, etc.
	 * We support both 24bpp and 32bpp layouts, so indicate that.
	 */
	if (!xf86SetDepthBpp(pScrn, 0, 0, 0, Support24bppFb | Support32bppFb |
							SupportConvert32to24 | PreferConvert32to24)) {
		return FALSE;
    }
	/* Check that the returned depth is one we support */
	switch (pScrn->depth) {
	case 8:
	case 15:
	case 16:
	case 24:
	case 32:
		/* OK */
		break;
	default:
		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
			"Given depth (%d) is not supported by this driver\n", pScrn->depth);
		return FALSE;
	}
	xf86PrintDepthBpp(pScrn);

	/* Get the depth24 pixmap format */
	if (pScrn->depth == 24 && pix24bpp == 0)
		pix24bpp = xf86GetBppFromDepth(pScrn, 24);

	/*
	 * This must happen after pScrn->display has been set because
	 * xf86SetWeight references it.
	 */
	if (pScrn->depth > 8) {
		/* The defaults are OK for us */
		rgb zeros = {0, 0, 0};

		/* !!! I think we can force 5-6-5 weight for 16bpp here for
		   the 5462. */

		if (!xf86SetWeight(pScrn, zeros, zeros)) {
			return FALSE;
		} else {
			/* XXX check that weight returned is supported */
			;
		}
	}

	if (!xf86SetDefaultVisual(pScrn, -1))
		return FALSE;


	/* Collect all of the relevant option flags (fill in pScrn->options) */
	xf86CollectOptions(pScrn, NULL);

	/* Process the options */
	if (!(pCir->Options = xalloc(sizeof(LgOptions))))
		return FALSE;
	memcpy(pCir->Options, LgOptions, sizeof(LgOptions));
	xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pCir->Options);

	pScrn->rgbBits = 6; 
	from = X_DEFAULT;
	pCir->HWCursor = FALSE;
	if (xf86GetOptValBool(pCir->Options, OPTION_HW_CURSOR, &pCir->HWCursor))
		from = X_CONFIG;

	xf86DrvMsg(pScrn->scrnIndex, from, "Using %s cursor\n",
		pCir->HWCursor ? "HW" : "SW");
	if (xf86ReturnOptValBool(pCir->Options, OPTION_NOACCEL, FALSE)) {
		pCir->NoAccel = TRUE;
		xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Acceleration disabled\n");
	}
	if (pScrn->bitsPerPixel < 8) {
		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
			"Cannot use in less than 8 bpp\n");
		return FALSE;
	}
	/*
	 * Set the ChipRev, allowing config file entries to
	 * override.
	 */
	if (pCir->pEnt->device->chipRev >= 0) {
		pCir->ChipRev = pCir->pEnt->device->chipRev;
		xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "ChipRev override: %d\n",
			pCir->ChipRev);
	} else {
		pCir->ChipRev = pCir->PciInfo->chipRev;
	}

	/* Cirrus swapped the FB and IO registers in the 5465 (by design). */
	if (PCI_CHIP_GD5465 == pCir->Chipset) {
		fbPCIReg = 0;
		ioPCIReg = 1;
	} else {
		fbPCIReg = 1;
		ioPCIReg = 0;
	}

	/* Find the frame buffer base address */
	if (pCir->pEnt->device->MemBase != 0) {
		/* Require that the config file value matches one of the PCI values. */
		if (!xf86CheckPciMemBase(pCir->PciInfo, pCir->pEnt->device->MemBase)) {
			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
				"MemBase 0x%08lX doesn't match any PCI base register.\n",
				pCir->pEnt->device->MemBase);
			return FALSE;
		}
		pCir->FbAddress = pCir->pEnt->device->MemBase;
		from = X_CONFIG;
	} else {
		if (pCir->PciInfo->memBase[fbPCIReg] != 0) {
			pCir->FbAddress = pCir->PciInfo->memBase[fbPCIReg] & 0xff000000;
			from = X_PROBED;
		} else {
			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
				"No valid FB address in PCI config space\n");
			LgFreeRec(pScrn);
			return FALSE;
		}
	}
	xf86DrvMsg(pScrn->scrnIndex, from, "Linear framebuffer at 0x%lX\n",
		(unsigned long)pCir->FbAddress);

	/* Find the MMIO base address */
	if (pCir->pEnt->device->IOBase != 0) {
		/* Require that the config file value matches one of the PCI values. */
		if (!xf86CheckPciMemBase(pCir->PciInfo, pCir->pEnt->device->IOBase)) {
			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
				"IOBase 0x%08lX doesn't match any PCI base register.\n",
				pCir->pEnt->device->IOBase);
			return FALSE;
		}
		pCir->IOAddress = pCir->pEnt->device->IOBase;
		from = X_CONFIG;
	} else {
		if (pCir->PciInfo->memBase[ioPCIReg] != 0) {
			pCir->IOAddress = pCir->PciInfo->memBase[ioPCIReg] & 0xfffff000;
			from = X_PROBED;
		} else {
			xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
			"No valid MMIO address in PCI config space\n");
		}
	}
	xf86DrvMsg(pScrn->scrnIndex, from, "MMIO registers at 0x%lX\n",
		(unsigned long)pCir->IOAddress);

	/*
	 * If the user has specified the amount of memory in the XF86Config
	 * file, we respect that setting.
	 */
	if (pCir->pEnt->device->videoRam != 0) {
		pScrn->videoRam = pCir->pEnt->device->videoRam;
		from = X_CONFIG;
	} else {
		pScrn->videoRam = LgCountRam(pScrn);
		from = X_PROBED;
	}
	if (2048 == pScrn->videoRam) {
		/* Two-way interleaving */
		pCir->chip.lg->memInterleave = 0x40;
	} else if (4096 == pScrn->videoRam || 8192 == pScrn->videoRam) {
		/* Four-way interleaving */
		pCir->chip.lg->memInterleave = 0x80;
	} else {
		/* One-way interleaving */
		pCir->chip.lg->memInterleave = 0x00;
	}

	xf86DrvMsg(pScrn->scrnIndex, from, "VideoRAM: %d kByte\n",
				pScrn->videoRam);

	pCir->FbMapSize = pScrn->videoRam * 1024;
	pCir->IoMapSize = 0x4000;	/* 16K for moment,  will increase */

	pScrn->racIoFlags =   RAC_COLORMAP 
#ifndef EXPERIMENTAL
	  | RAC_VIEWPORT
#endif
;
 	xf86SetOperatingState(resVgaMem, pCir->pEnt->index, ResUnusedOpr);
	
	/* Register the PCI-assigned resources. */
	if (xf86RegisterResources(pCir->pEnt->index, NULL, ResExclusive)) {
		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
			"xf86RegisterResources() found resource conflicts\n");
		return FALSE;
	}

	if (!xf86LoadSubModule(pScrn, "ddc")) {
		LgFreeRec(pScrn);
		return FALSE;
	}
	xf86LoaderReqSymLists(ddcSymbols, NULL);

#if LGuseI2C
	if (!xf86LoadSubModule(pScrn, "i2c")) {
		LgFreeRec(pScrn);
		return FALSE;
	}
	xf86LoaderReqSymLists(i2cSymbols, NULL);
#endif

	/* Read and print the monitor DDC information */
	pScrn->monitor->DDC = LgDoDDC(pScrn);

	/* The gamma fields must be initialised when using the new cmap code */
	if (pScrn->depth > 1) {
		Gamma zeros = {0.0, 0.0, 0.0};

		if (!xf86SetGamma(pScrn, zeros))
			return FALSE;
	}
	if (xf86GetOptValBool(pCir->Options,
			      OPTION_SHADOW_FB,&pCir->shadowFB))
	    xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "ShadowFB %s.\n",
		       pCir->shadowFB ? "enabled" : "disabled");
	    
	if ((s = xf86GetOptValString(pCir->Options, OPTION_ROTATE))) {
	    if(!xf86NameCmp(s, "CW")) {
		/* accel is disabled below for shadowFB */
		pCir->shadowFB = TRUE;
		pCir->rotate = 1;
		xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, 
			   "Rotating screen clockwise - acceleration disabled\n");
	    } else if(!xf86NameCmp(s, "CCW")) {
		pCir->shadowFB = TRUE;
		pCir->rotate = -1;
		xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,  "Rotating screen"
			   "counter clockwise - acceleration disabled\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\" or \"CCW\"\n");
	    }
	}

	if (pCir->shadowFB && !pCir->NoAccel) {
	    xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
		       "HW acceleration not supported with \"shadowFB\".\n");
	    pCir->NoAccel = TRUE;
	}
	
	if (pCir->rotate && pCir->HWCursor) {
	    xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
		       "HW cursor not supported with \"rotate\".\n");
	    pCir->HWCursor = FALSE;
	}
	
	/* We use a programmable clock */
	pScrn->progClock = TRUE;

	/* XXX Set HW cursor use */

	/* Set the min pixel clock */
	pCir->MinClock = 12000;	/* XXX Guess, need to check this */
	xf86DrvMsg(pScrn->scrnIndex, X_DEFAULT, "Min pixel clock is %d MHz\n",
				pCir->MinClock / 1000);
	/*
	 * If the user has specified ramdac speed in the XF86Config
	 * file, we respect that setting.
	 */
	if (pCir->pEnt->device->dacSpeeds[0]) {
		ErrorF("Do not specify a Clocks line for Cirrus chips\n");
		return FALSE;
	} else {
		int speed;
		int *p;
		switch (pCir->Chipset) {
		case PCI_CHIP_GD5462:
			p = gd5462_MaxClocks;
			break;
		case PCI_CHIP_GD5464:
		case PCI_CHIP_GD5464BD:
			p = gd5464_MaxClocks;
			break;
		case PCI_CHIP_GD5465:
			p = gd5465_MaxClocks;
			break;
		default:
			ErrorF("???\n");
			return FALSE;
		}
		switch (pScrn->bitsPerPixel) {
		case 8:
			speed = p[1];
			break;
		case 15:
		case 16:
			speed = p[2];
			break;
		case 24:
			speed = p[3];
			break;
		case 32:
			speed = p[4];
			break;
		default:
			/* Should not get here */
			speed = 0;
			break;
		}
		pCir->MaxClock = speed;
		from = X_PROBED;
	}
	xf86DrvMsg(pScrn->scrnIndex, from, "Max pixel clock is %d MHz\n",
				pCir->MaxClock / 1000);

	/*
	 * Setup the ClockRanges, which describe what clock ranges are available,
	 * and what sort of modes they can be used for.
	 */
	clockRanges = xnfcalloc(sizeof(ClockRange), 1);
	clockRanges->next = NULL;
	clockRanges->minClock = pCir->MinClock;
	clockRanges->maxClock = pCir->MaxClock;
	clockRanges->clockIndex = -1;		/* programmable */
	clockRanges->interlaceAllowed = FALSE;	/* XXX check this */
	clockRanges->doubleScanAllowed = FALSE;	/* XXX check this */
	clockRanges->doubleScanAllowed = FALSE;	/* XXX check this */
	clockRanges->doubleScanAllowed = FALSE;	/* XXX check this */
	clockRanges->ClockMulFactor = 1;
	clockRanges->ClockDivFactor = 1;
	clockRanges->PrivFlags = 0;

	/* Depending upon what sized tiles used, either 128 or 256. */
	/* Aw, heck.  Just say 128. */
	pCir->Rounding = 128 >> pCir->BppShift;

	/*
	 * xf86ValidateModes will check that the mode HTotal and VTotal values
	 * don't exceed the chipset's limit if pScrn->maxHValue and
	 * pScrn->maxVValue are set.  Since our CIRValidMode() already takes
	 * care of this, we don't worry about setting them here.
	 */

	i = xf86ValidateModes(pScrn, pScrn->monitor->Modes, pScrn->display->modes,
							clockRanges,
							LgLinePitches[pScrn->bitsPerPixel / 8 - 1],
							0, 0, 128 * 8,
							0, 0, /* Any virtual height is allowed. */
							pScrn->display->virtualX,
							pScrn->display->virtualY,
							pCir->FbMapSize,
							LOOKUP_BEST_REFRESH);

	pCir->chip.lg->lineDataIndex = LgFindLineData(pScrn->displayWidth,
										pScrn->bitsPerPixel);

	if (i == -1) {
		LgFreeRec(pScrn);
		return FALSE;
	}

	/* Prune the modes marked as invalid */
	xf86PruneDriverModes(pScrn);

	if (i == 0 || pScrn->modes == NULL) {
		xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes found\n");
		LgFreeRec(pScrn);
		return FALSE;
	}

	/*
	 * Set the CRTC parameters for all of the modes based on the type
	 * of mode, and the chipset's interlace requirements.
	 *
	 * Calling this is required if the mode->Crtc* values are used by the
	 * driver and if the driver doesn't provide code to set them.  They
	 * are not pre-initialised at all.
	 */
	xf86SetCrtcForModes(pScrn, INTERLACE_HALVE_V);

	/* Set the current mode to the first in the list */
	pScrn->currentMode = pScrn->modes;

	/* Print the list of modes being used */
	xf86PrintModes(pScrn);

	/* Set display resolution */
	xf86SetDpi(pScrn, 0, 0);

	/* Load bpp-specific modules */
	switch (pScrn->bitsPerPixel) {
	case 8:
	case 16:
	case 24:
	case 32: 
	    if (xf86LoadSubModule(pScrn, "fb") == NULL) {
	         LgFreeRec(pScrn);
		 return FALSE;
	    }
	    xf86LoaderReqSymLists(fbSymbols, NULL);
	    break;
	}

	/* Load XAA if needed */
	if (!pCir->NoAccel) {
		if (!xf86LoadSubModule(pScrn, "xaa")) {
			LgFreeRec(pScrn);
			return FALSE;
		}
		xf86LoaderReqSymLists(xaaSymbols, NULL);
	}

	/* Load ramdac if needed */
	if (pCir->HWCursor) {
		if (!xf86LoadSubModule(pScrn, "ramdac")) {
			LgFreeRec(pScrn);
			return FALSE;
		}
		xf86LoaderReqSymLists(ramdacSymbols, NULL);
	}

	if (pCir->shadowFB) {
	    if (!xf86LoadSubModule(pScrn, "shadowfb")) {
		LgFreeRec(pScrn);
		return FALSE;
	    }
	    xf86LoaderReqSymLists(shadowSymbols, NULL);
	}
	
	return TRUE;
}
Esempio n. 7
0
/* Mandatory */
static Bool
VoodooPreInit(ScrnInfoPtr pScrn, int flags)
{
  VoodooPtr pVoo;
  int i;
  ClockRangePtr clockRanges;
  MessageType from;
  int maxwidth;

  if (flags & PROBE_DETECT)
      return FALSE;

  /* Check the number of entities, and fail if it isn't one. */
  if (pScrn->numEntities != 1)
    return FALSE;

  /* Set pScrn->monitor */
  pScrn->monitor = pScrn->confScreen->monitor;

  if (!xf86SetDepthBpp(pScrn, 16, 0, 0, Support32bppFb)) {
    return FALSE;
  }

  /* Check that the returned depth is one we support */
  switch (pScrn->depth) {
  case 16:
  case 24:
  case 32:
    break;
  default:
    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
               "Given depth (%d) is not supported by this driver\n",
               pScrn->depth);
    return FALSE;
  }
  xf86PrintDepthBpp(pScrn);
  
  if(pScrn->depth == 32)
  	pScrn->depth = 24;
  
  /*
   * This must happen after pScrn->display has been set because
   * xf86SetWeight references it.
   */

  if (pScrn->depth > 8) {
    /* The defaults are OK for us */
    rgb zeros = {0, 0, 0};

    if (!xf86SetWeight(pScrn, zeros, zeros)) {
      return FALSE;
    } else {
      /* XXX check that weight returned is supported */
      ;
    }
  }

  /* Set the default visual. */
  if (!xf86SetDefaultVisual(pScrn, -1)) {
    return FALSE;
  }
  /* We don't 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;
  }

  /* Set default gamma */
  {
    Gamma zeros = {0.0, 0.0, 0.0};

    if (!xf86SetGamma(pScrn, zeros)) {
      return FALSE;
    }
  }

  /* We use a programmable clock */
  pScrn->progClock = TRUE;

  /* Allocate the VoodooRec driverPrivate */
  if (!VoodooGetRec(pScrn)) {
    return FALSE;
  }

  pVoo = VoodooPTR(pScrn);

  /* Get the entity */
  pVoo->pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
  
  pVoo->PciInfo = xf86GetPciInfoForEntity(pVoo->pEnt->index);
#ifndef XSERVER_LIBPCIACCESS
  pVoo->PciTag = pciTag(pVoo->PciInfo->bus, pVoo->PciInfo->device, pVoo->PciInfo->func);
#endif

  /* Collect all of the relevant option flags (fill in pScrn->options) */
  xf86CollectOptions(pScrn, NULL);

  /* Process the options */
  if (!(pVoo->Options = malloc(sizeof(VoodooOptions))))
    return FALSE;
  memcpy(pVoo->Options, VoodooOptions, sizeof(VoodooOptions));
  xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pVoo->Options);

  /* Need to do rotation some day */

  if(pVoo->pEnt->chipset == PCI_CHIP_VOODOO2)
  {
  	pVoo->Voodoo2 = 1;	/* We have 2D accel, interlace, double */
  	pVoo->Accel = 1;
  }
  else
  {
  	pVoo->Voodoo2 = 0;
  	pVoo->ShadowFB = 1;
  	xf86DrvMsg(pScrn->scrnIndex, X_DEFAULT, "Using shadowFB with Voodoo1 hardware.\n");
  }

  from = X_DEFAULT;

  if (xf86ReturnOptValBool(pVoo->Options, OPTION_SHADOW_FB,  FALSE)) {
  	pVoo->ShadowFB = 1;
  	pVoo->Accel = 0;
  }
  
  if (xf86ReturnOptValBool(pVoo->Options, OPTION_PASS_THROUGH,  FALSE))
      pVoo->PassThrough = 1;

  if (xf86ReturnOptValBool(pVoo->Options, OPTION_NOACCEL, FALSE)) {
  	pVoo->ShadowFB = 1;
  	pVoo->Accel = 0;
  }
  
  if(pScrn->depth == 24 && !pVoo->ShadowFB)
  {
      xf86DrvMsg(pScrn->scrnIndex, X_DEFAULT, "ShadowFB is required for 24/32bit modes.\n");
      pVoo->ShadowFB = 1;
      pVoo->Accel = 0;
  }

  /* MMIO at 0 , FB at 4Mb, Texture at 8Mb */
  pVoo->PhysBase = PCI_REGION_BASE(pVoo->PciInfo, 0, REGION_MEM) + 0x400000;

#ifndef XSERVER_LIBPCIACCESS
  pVoo->MMIO = xf86MapPciMem(pScrn->scrnIndex, VIDMEM_MMIO, pVoo->PciTag,
			     pVoo->PciInfo->memBase[0], 0x400000);
  pVoo->FBBase = xf86MapPciMem(pScrn->scrnIndex, VIDMEM_MMIO, pVoo->PciTag,
			       pVoo->PciInfo->memBase[0] + 0x400000, 0x400000);
  		
#else
  {
    void** result = (void**)&pVoo->MMIO;
    int err = pci_device_map_range(pVoo->PciInfo,
				   PCI_REGION_BASE(pVoo->PciInfo, 0, REGION_MEM),
				   0x400000,
				   PCI_DEV_MAP_FLAG_WRITABLE,
				   result);
    if (err)
      return FALSE;
  }

  {
    void** result = (void**)&pVoo->FBBase;
    int err = pci_device_map_range(pVoo->PciInfo,
				   PCI_REGION_BASE(pVoo->PciInfo, 0, REGION_MEM) + 0x400000,
				   0x400000,
				   PCI_DEV_MAP_FLAG_WRITABLE|
				   PCI_DEV_MAP_FLAG_WRITE_COMBINE,
				   result);
    if (err)
      return FALSE;
  }
#endif  		
  VoodooHardwareInit(pVoo);
  
  /*
   * If the user has specified the amount of memory in the XF86Config
   * file, we respect that setting.
   */
  if (pVoo->pEnt->device->videoRam != 0) {
    pScrn->videoRam = pVoo->pEnt->device->videoRam;
    from = X_CONFIG;
  } else {
    pScrn->videoRam = VoodooMemorySize(pVoo) * 1024 ;	/* Sizer reports Mbytes */
    from = X_PROBED;
  }
  xf86DrvMsg(pScrn->scrnIndex, from, "Video RAM: %d kB\n",
             pScrn->videoRam);

  /* Set up clock ranges so that the xf86ValidateModes() function will not fail a mode because of the clock
     requirement (because we don't use the clock value anyway) */
  clockRanges = xnfcalloc(sizeof(ClockRange), 1);
  clockRanges->next = NULL;
  clockRanges->minClock = 10000;
  clockRanges->maxClock = 250000;	/* 250MHz DAC */
  clockRanges->clockIndex = -1;		/* programmable */
  
  if(pVoo->Voodoo2)
  {
    clockRanges->interlaceAllowed = TRUE;
    clockRanges->doubleScanAllowed = TRUE;
    maxwidth = min(1024, pScrn->display->virtualX);
  }
  else
  {
    clockRanges->interlaceAllowed = FALSE;
    clockRanges->doubleScanAllowed = FALSE;
    maxwidth = min(800, pScrn->display->virtualX);
  }

  /* Select valid modes from those available */
  i = xf86ValidateModes(pScrn, pScrn->monitor->Modes,
                        pScrn->display->modes, clockRanges,
                        NULL, 256, 2048,
                        pScrn->bitsPerPixel, 128, 768,
                        pScrn->display->virtualX,
                        pScrn->display->virtualY,
                        pScrn->videoRam * 1024,
                        LOOKUP_BEST_REFRESH);
    
  if (i == -1) {
    VoodooFreeRec(pScrn);
    return FALSE;
  }

  /* Prune the modes marked as invalid */
  xf86PruneDriverModes(pScrn);

  /* If no valid modes, return */
  if (i == 0 || pScrn->modes == NULL) {
    xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes found\n");
    VoodooFreeRec(pScrn);
    return FALSE;
  }

  /* Set the current mode to the first in the list */
  xf86SetCrtcForModes(pScrn, 0);
  pScrn->currentMode = pScrn->modes;

  /* Do some checking, we will not support a virtual framebuffer larger than
     the visible screen. */
  if (pScrn->currentMode->HDisplay != pScrn->virtualX || 
      pScrn->currentMode->VDisplay != pScrn->virtualY ||
      pScrn->displayWidth != pScrn->virtualX)
  {
    /* FIXME: In this case we could use shadowfb and clip the drawing into
       the physical buffer */
    xf86DrvMsg(pScrn->scrnIndex, X_WARNING, 
               "Virtual size doesn't equal display size. Forcing virtual size to equal display size.\n");
    xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
               "(Virtual size: %dx%d, Display size: %dx%d)\n", pScrn->virtualX, pScrn->virtualY,
               pScrn->currentMode->HDisplay, pScrn->currentMode->VDisplay);
    /* I'm not entirely sure this is "legal" but I hope so. */
    pScrn->virtualX = pScrn->currentMode->HDisplay;
    pScrn->virtualY = pScrn->currentMode->VDisplay;
    pScrn->displayWidth = pScrn->virtualX;
  }

  /* Print the list of modes being used */
  xf86PrintModes(pScrn);

  /* Set display resolution */
  xf86SetDpi(pScrn, 0, 0);
    
  /* Load fb */
  if (xf86LoadSubModule(pScrn, "fb") == NULL) {
    VoodooFreeRec(pScrn);
    return FALSE;
  }

  if (!xf86LoadSubModule(pScrn, "xaa")) {
      xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Falling back to shadowfb\n");
      pVoo->Accel = 0;
      pVoo->ShadowFB = 1;
  }
  
  if(pVoo->ShadowFB)
  {
    /* Load the shadow framebuffer */
    if (!xf86LoadSubModule(pScrn, "shadowfb")) {
      VoodooFreeRec(pScrn);
      return FALSE;
    }
  }
  return TRUE;
}
/* Mandatory */
Bool
DUMMYPreInit(ScrnInfoPtr pScrn, int flags)
{
    ClockRangePtr clockRanges;
    int i;
    int maxClock = 230000;
    GDevPtr device = xf86GetEntityInfo(pScrn->entityList[0])->device;
    ModuleDescPtr pMod;

    if (flags & PROBE_DETECT) 
	return TRUE;
    
    /* Allocate the DummyRec driverPrivate */
    if (!DUMMYGetRec(pScrn)) {
	return FALSE;
    }
# define RETURN \
    { DUMMYFreeRec(pScrn);\
			    return FALSE;\
					     }
    
    pScrn->chipset = (char *)xf86TokenToString(DUMMYChipsets,
					       DUMMY_CHIP);

    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Chipset is a DUMMY\n");
    
    pScrn->monitor = pScrn->confScreen->monitor;

    if (!xf86SetDepthBpp(pScrn, 0, 0, 0,  Support24bppFb | Support32bppFb))
	return FALSE;
    else {
	/* Check that the returned depth is one we support */
	switch (pScrn->depth) {
	case 8:
	case 15:
	case 16:
	case 24:
	    break;
	default:
	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
		       "Given depth (%d) is not supported by this driver\n",
		       pScrn->depth);
	    return FALSE;
	}
    }

    xf86PrintDepthBpp(pScrn);
    if (pScrn->depth == 8)
	pScrn->rgbBits = 8;

    /* Get the depth24 pixmap format */
    if (pScrn->depth == 24 && pix24bpp == 0)
	pix24bpp = xf86GetBppFromDepth(pScrn, 24);

    /*
     * This must happen after pScrn->display has been set because
     * xf86SetWeight references it.
     */
    if (pScrn->depth > 8) {
	/* The defaults are OK for us */
	rgb zeros = {0, 0, 0};

	if (!xf86SetWeight(pScrn, zeros, zeros)) {
	    return FALSE;
	} else {
	    /* XXX check that weight returned is supported */
	    ;
	}
    }

    if (!xf86SetDefaultVisual(pScrn, -1)) 
	return FALSE;

    if (pScrn->depth > 1) {
	Gamma zeros = {0.0, 0.0, 0.0};

	if (!xf86SetGamma(pScrn, zeros))
	    return FALSE;
    }

    xf86CollectOptions(pScrn, device->options);

    if (device->videoRam != 0) {
	pScrn->videoRam = device->videoRam;
	xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "VideoRAM: %d kByte\n",
		   pScrn->videoRam);
    } else {
	pScrn->videoRam = 4096;
	xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "VideoRAM: %d kByte\n",
		   pScrn->videoRam);
    }
    
    if (device->dacSpeeds[0] != 0) {
	maxClock = device->dacSpeeds[0];
	xf86DrvMsg(pScrn->scrnIndex, X_CONFIG, "Max Clock: %d kHz\n",
		   maxClock);
    } else {
	xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "Max Clock: %d kHz\n",
		   maxClock);
    }

    pScrn->progClock = TRUE;
    /*
     * Setup the ClockRanges, which describe what clock ranges are available,
     * and what sort of modes they can be used for.
     */
    clockRanges = (ClockRangePtr)xnfcalloc(sizeof(ClockRange), 1);
    clockRanges->next = NULL;
    clockRanges->ClockMulFactor = 1;
    clockRanges->minClock = 11000;   /* guessed §§§ */
    clockRanges->maxClock = 300000;
    clockRanges->clockIndex = -1;		/* programmable */
    clockRanges->interlaceAllowed = TRUE; 
    clockRanges->doubleScanAllowed = TRUE;

    /* Subtract memory for HW cursor */


    i = xf86ValidateModes(pScrn, pScrn->monitor->Modes,
			  pScrn->display->modes, clockRanges,
			  NULL, 256, 2048,(8 * pScrn->bitsPerPixel),
			  128, 2048, pScrn->display->virtualX,
			  pScrn->display->virtualY, pScrn->videoRam * 1024,
			  LOOKUP_BEST_REFRESH);

    if (i == -1)
        RETURN

    /* Prune the modes marked as invalid */
    xf86PruneDriverModes(pScrn);

    if (i == 0 || pScrn->modes == NULL) {
	xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes found\n");
	RETURN
    }