atipreinit.c

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/*
 * ATIPreInit --
 *
 * This function is only called once per screen at the start of the first
 * server generation.
 */
_X_EXPORT Bool
ATIPreInit
(
    ScrnInfoPtr pScreenInfo,
    int flags
)
{
#   define           BIOS_SIZE       0x00010000U     /* 64kB */
    CARD8            BIOS[BIOS_SIZE];
#   define           BIOSByte(_n)    ((CARD8)(BIOS[_n]))
#   define           BIOSWord(_n)    ((CARD16)(BIOS[_n] |                \
                                               (BIOS[(_n) + 1] << 8)))
#   define           BIOSLong(_n)    ((CARD32)(BIOS[_n] |                \
                                               (BIOS[(_n) + 1] << 8) |   \
                                               (BIOS[(_n) + 2] << 16) |  \
                                               (BIOS[(_n) + 3] << 24)))
    unsigned int     BIOSSize = 0;
    unsigned int     ROMTable = 0, ClockTable = 0, FrequencyTable = 0;
    unsigned int     LCDTable = 0, LCDPanelInfo = 0, VideoTable = 0;
    unsigned int     HardwareTable = 0;

    char             Buffer[128], *Message;
    ATIPtr           pATI;
    GDevPtr          pGDev;
    EntityInfoPtr    pEntity;
    resPtr           pResources;
    pciVideoPtr      pVideo;
    DisplayModePtr   pMode;
    unsigned long    Block0Base;
    CARD32           IOValue;
    int              i, j, AcceleratorVideoRAM = 0, ServerVideoRAM;
    int              Numerator, Denominator;
    int              MinX, MinY;
    ClockRange       ATIClockRange = {NULL, 0, 80000, 0, TRUE, TRUE, 1, 1, 0};
    int              DefaultmaxClock = 0;
    int              minPitch, maxPitch = 0xFFU, maxHeight = 0;
    int              ApertureSize = 0x00010000U;
    int              ModeType = M_T_BUILTIN;
    LookupModeFlags  Strategy = LOOKUP_CLOSEST_CLOCK;
    int              DefaultDepth;

#   define           pATIHW     (&pATI->OldHW)

#ifndef AVOID_CPIO

    xf86Int10InfoPtr pInt10Info = NULL;
    vbeInfoPtr       pVBE;
    pointer          pInt10Module, pDDCModule = NULL, pVBEModule = NULL;
    int              VGAVideoRAM = 0;
    resRange         Resources[2] = {{0, 0, 0}, _END};

#endif /* AVOID_CPIO */

    if (pScreenInfo->numEntities != 1)
    {
        xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR,
            "Logic error:  Number of attached entities not 1.\n");
        return FALSE;
    }

    pATI = ATIPTR(pScreenInfo);

    if (pATI->iEntity != pScreenInfo->entityList[0])
    {
        xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR,
            "Logic error:  Entity mismatch.\n");
        return FALSE;
    }

    /* Register resources */
    pEntity = xf86GetEntityInfo(pATI->iEntity);
    pGDev = pEntity->device;
    pResources = pEntity->resources;
    xfree(pEntity);
    if (!pResources)
        pResources = xf86RegisterResources(pATI->iEntity, NULL,
            pATI->SharedAccelerator ? ResShared : ResExclusive);
    if (pResources)
    {
        xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR,
            "Unable to register the following bus resources:\n");
        xf86PrintResList(0, pResources);
        xf86FreeResList(pResources);
        return FALSE;
    }

    ConfiguredMonitor = NULL;
    (void)memset(BIOS, 0, SizeOf(BIOS));

    if (!(flags & PROBE_DETECT))
    {
        xf86DrvMsg(pScreenInfo->scrnIndex,
            pATI->Chipset ? X_CONFIG : X_DEFAULT,
            "Chipset:  \"%s\".\n", ATIChipsetNames[pATI->Chipset]);

        /* Promote chipset specification */
        switch (pATI->Chipset)
        {

#ifndef AVOID_CPIO

            case ATI_CHIPSET_IBMVGA:
                if (pATI->Adapter == ATI_ADAPTER_VGA)
                    break;      /* XXX */
                /* Fall through */

            case ATI_CHIPSET_VGAWONDER:
                pATI->Chipset = ATI_CHIPSET_ATIVGA;
                break;

            case ATI_CHIPSET_IBM8514:
                if (pATI->Adapter == ATI_ADAPTER_8514A)
                    break;      /* XXX */
                /* Fall through */

            case ATI_CHIPSET_MACH8:
            case ATI_CHIPSET_MACH32:

#endif /* AVOID_CPIO */

            case ATI_CHIPSET_MACH64:
            case ATI_CHIPSET_RAGE128:
            case ATI_CHIPSET_RADEON:
                pATI->Chipset = ATI_CHIPSET_ATI;
                break;

            default:
                break;
        }

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

        /* Set depth, bpp, etc. */
        if ((pATI->Chipset != ATI_CHIPSET_ATI) ||
            (pATI->Chip < ATI_CHIP_264CT))
        {
            i = NoDepth24Support;       /* No support for >8bpp either */
            DefaultDepth = 8;
        }
        else
        {
            i = Support24bppFb | Support32bppFb;
            DefaultDepth = 0;
        }

        if (!xf86SetDepthBpp(pScreenInfo, DefaultDepth, 0, 0, i))
            return FALSE;

        for (j = 0;  ;  j++)
        {
            static const CARD8 AllowedDepthBpp[][2] =
            {

#ifndef AVOID_CPIO

                { 1,  1},
                { 4,  4},
                { 4,  8},

#endif /* AVOID_CPIO */

                { 8,  8},
                {15, 16},
                {16, 16},
                {24, 24},
                {24, 32}
            };

            if (j < NumberOf(AllowedDepthBpp))
            {
                if (pScreenInfo->depth > AllowedDepthBpp[j][0])
                    continue;

                if (pScreenInfo->depth == AllowedDepthBpp[j][0])
                {
                    if (pScreenInfo->bitsPerPixel > AllowedDepthBpp[j][1])
                        continue;

                    if (pScreenInfo->bitsPerPixel == AllowedDepthBpp[j][1])
                        break;
                }
            }

            xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR,
                "Driver does not support depth %d at fbbpp %d.\n",
                pScreenInfo->depth, pScreenInfo->bitsPerPixel);
            return FALSE;
        }

        xf86PrintDepthBpp(pScreenInfo);

        if ((i == NoDepth24Support) && (pScreenInfo->depth > 8))
        {
            xf86DrvMsg(pScreenInfo->scrnIndex, X_ERROR,
                "Depth %d is not supported through this adapter.\n",
                pScreenInfo->depth);
            return FALSE;
        }

        /* Pick up XF86Config options */
        ATIProcessOptions(pScreenInfo, pATI);
    }

#ifdef AVOID_CPIO

    else /* if (flags & PROBE_DETECT) */
    {
        return TRUE;
    }

#else /* AVOID_CPIO */

#ifdef TV_OUT

    pATI->pVBE = NULL;
    pATI->pInt10 = NULL;

#endif /* TV_OUT */

    /*
     * If there is an ix86-style BIOS, ensure its initialisation entry point
     * has been executed, and retrieve DDC and VBE information from it.
     */
    if (!(pInt10Module = ATILoadModule(pScreenInfo, "int10", ATIint10Symbols)))
    {
        xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
            "Unable to load int10 module.\n");
    }
    else if (!(pInt10Info = xf86InitInt10(pATI->iEntity)))
    {
        xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
             "Unable to initialise int10 interface.\n");
    }
    else
    {
        if (!(pDDCModule = ATILoadModule(pScreenInfo, "ddc", ATIddcSymbols)))
        {
            xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
                "Unable to load ddc module.\n");
        }
        else
        if (!(pVBEModule = ATILoadModule(pScreenInfo, "vbe", ATIvbeSymbols)))
        {
            xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
                "Unable to load vbe module.\n");
        }
        else
        {
            if ((pVBE = VBEInit(pInt10Info, pATI->iEntity)))
            {
                ConfiguredMonitor = vbeDoEDID(pVBE, pDDCModule);
#ifdef TV_OUT
		pATI->pInt10 = pInt10Info;
		pATI->pVBE = pVBE;
		pVBE = NULL;
#else
                vbeFree(pVBE);
#endif /* TV_OUT */
            }
#ifndef TV_OUT
            xf86UnloadSubModule(pVBEModule);
#endif /* TV_OUT */
        }

        if (!(flags & PROBE_DETECT))
        {
            /* Validate, then make a private copy of, the initialised BIOS */
            CARD8 *pBIOS = xf86int10Addr(pInt10Info, pInt10Info->BIOSseg << 4);

            if ((pBIOS[0] != 0x55U) || (pBIOS[1] != 0xAAU) || !pBIOS[2])
            {
                xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
                    "Unable to correctly retrieve adapter BIOS.\n");
            }
            else
            {
                BIOSSize = pBIOS[2] << 9;
                if (BIOSSize > BIOS_SIZE)
                    BIOSSize = BIOS_SIZE;
                (void)memcpy(BIOS, pBIOS, BIOSSize);
            }
        }
    }

#ifndef TV_OUT
    /* De-activate int10 */
    xf86FreeInt10(pInt10Info);
    xf86UnloadSubModule(pInt10Module);
#else
    pInt10Info = NULL;
#endif /* TV_OUT */

    if (flags & PROBE_DETECT)
    {
        xf86UnloadSubModule(pDDCModule);
        return TRUE;
    }

    if (ConfiguredMonitor)
    {
        xf86PrintEDID(ConfiguredMonitor);
        xf86SetDDCproperties(pScreenInfo, ConfiguredMonitor);
    }

    /* DDC module is no longer needed at this point */
    xf86UnloadSubModule(pDDCModule);

#endif /* AVOID_CPIO */

    pATI->Block0Base = 0;       /* Might no longer be valid */
    if ((pVideo = pATI->PCIInfo))
    {
        if (pATI->CPIODecoding == BLOCK_IO)
            pATI->CPIOBase = pVideo->ioBase[1];

        /* Set MMIO address from PCI configuration space, if available */
        if ((pATI->Block0Base = pVideo->memBase[2]))
        {
            if (pATI->Block0Base >= (CARD32)(-1 << pVideo->size[2]))
                pATI->Block0Base = 0;
            else
                pATI->Block0Base += 0x0400U;
        }
    }

#ifdef AVOID_CPIO

    pScreenInfo->racMemFlags =
        RAC_FB | RAC_COLORMAP | RAC_VIEWPORT | RAC_CURSOR;

#else /* AVOID_CPIO */

    pScreenInfo->racIoFlags =
        RAC_FB | RAC_COLORMAP | RAC_VIEWPORT | RAC_CURSOR;
    pScreenInfo->racMemFlags = RAC_FB | RAC_CURSOR;

#endif /* AVOID_CPIO */

    /* Deal with ChipID & ChipRev overrides */
    if (pGDev->chipID >= 0)
    {
        ATIChipType Chip;

        Chip = ATIChipID(pGDev->chipID,
            (pGDev->chipRev < 0) ? pATI->ChipRev : pGDev->chipRev);
        if (Chip != pATI->Chip)
        {
            pATI->Chip = Chip;
            pATI->ChipType = pGDev->chipID;
            if (pGDev->chipRev < 0)
            {
                xf86DrvMsg(pScreenInfo->scrnIndex, X_CONFIG,
                    "Driver messages reflect ChipID 0x%04X override.\n",
                    pATI->ChipType);
            }
            else
            {
                pATI->ChipRev = pGDev->chipRev;
                pATI->ChipVersion = GetBits(pATI->ChipRev,
                    GetBits(CFG_CHIP_VERSION, CFG_CHIP_REV));
                pATI->ChipFoundry = GetBits(pATI->ChipRev,
                    GetBits(CFG_CHIP_FOUNDRY, CFG_CHIP_REV));
                pATI->ChipRevision = GetBits(pATI->ChipRev,
                    GetBits(CFG_CHIP_REVISION, CFG_CHIP_REV));
                xf86DrvMsg(pScreenInfo->scrnIndex, X_CONFIG,
                    "Driver messages reflect ChipID 0x%04X and ChipRev 0x%02X"
                    " overrides.\n", pATI->ChipType, pATI->ChipRev);
            }
        }
    }

    /* Finish private area initialisation */
    pATI->DAC = ATI_DAC_GENERIC;

#ifndef AVOID_CPIO

    pATI->NewHW.SetBank = ATIx8800SetBank;
    pATI->BankInfo.SetSourceBank = ATIx8800SetRead;
    pATI->BankInfo.SetDestinationBank = ATIx8800SetWrite;