atistruct.h

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     * Definitions related to system bus interface.
     */
    pciVideoPtr PCIInfo;
    CARD8 BusType;
    CARD8 SharedAccelerator;

#ifndef AVOID_CPIO

    CARD8 SharedVGA;
    resRange VGAWonderResources[2];

#endif /* AVOID_CPIO */

    /*
     * Definitions related to video memory.
     */
    CARD8 MemoryType;
    int VideoRAM;

    /*
     * BIOS-related definitions.
     */
    unsigned long BIOSBase;
    CARD8 I2CType, Tuner, Decoder, Audio;

    /*
     * Definitions related to video memory apertures.
     */
    pointer pMemory, pShadow;
    pointer pMemoryLE;          /* Always little-endian */
    unsigned long LinearBase;
    int LinearSize, FBPitch, FBBytesPerPixel;

#ifndef AVOID_CPIO

    /*
     * Banking interface.
     */
    miBankInfoRec BankInfo;
    pointer pBank;
    CARD8 UseSmallApertures;

#endif /* AVOID_CPIO */

    /*
     * Definitions related to MMIO register apertures.
     */
    pointer pMMIO, pBlock[2];
    unsigned long Block0Base, Block1Base;

    /*
     * XAA interface.
     */
    Bool useEXA;
#ifdef USE_EXA
    ExaDriverPtr pExa;
#endif
#ifdef USE_XAA
    XAAInfoRecPtr pXAAInfo;
#endif
    int nAvailableFIFOEntries, nFIFOEntries, nHostFIFOEntries;
    CARD8 EngineIsBusy, EngineIsLocked, XModifier;
    CARD32 dst_cntl;    /* For SetupFor/Subsequent communication */
    CARD32 sc_left_right, sc_top_bottom;
    CARD16 sc_left, sc_right, sc_top, sc_bottom;        /* Current scissors */
    pointer pHOST_DATA; /* Current HOST_DATA_* transfer window address */
#ifdef USE_XAA
    CARD32 *ExpansionBitmapScanlinePtr[2];
    int ExpansionBitmapWidth;
#endif
#ifdef USE_EXA
    Bool RenderAccelEnabled;
    Mach64ContextRegs3D m3d;
#endif

    /*
     * Cursor-related definitions.
     */
    xf86CursorInfoPtr pCursorInfo;
    pointer pCursorPage, pCursorImage;
    unsigned long CursorBase;
    CARD32 CursorOffset;
    CARD16 CursorXOffset, CursorYOffset;
    CARD8 Cursor;

    /*
     * MMIO cache.
     */
    CARD32 MMIOCache[CacheSlotOf(DWORD_SELECT) + 1];
    CARD8  MMIOCached[(CacheSlotOf(DWORD_SELECT) + 8) >> 3];

    /*
     * Clock-related definitions.
     */
    int ClockNumberToProgramme, ReferenceNumerator, ReferenceDenominator;
    int ProgrammableClock, maxClock;
    ClockRec ClockDescriptor;
    CARD16 BIOSClocks[16];
    CARD8 Clock;

    /*
     * DSP register data.
     */
    int XCLKFeedbackDivider, XCLKReferenceDivider, XCLKPostDivider;
    CARD16 XCLKMaxRASDelay, XCLKPageFaultDelay,
           DisplayLoopLatency, DisplayFIFODepth;

    /*
     * LCD panel data.
     */
    int LCDPanelID, LCDClock, LCDHorizontal, LCDVertical;
    unsigned LCDHSyncStart, LCDHSyncWidth, LCDHBlankWidth;
    unsigned LCDVSyncStart, LCDVSyncWidth, LCDVBlankWidth;
    int LCDVBlendFIFOSize;

    /*
     * Data used by ATIAdjustFrame().
     */
    int AdjustDepth, AdjustMaxX, AdjustMaxY;
    unsigned long AdjustMask, AdjustMaxBase;

    /*
     * DGA and non-DGA common data.
     */
    DisplayModePtr currentMode;
    CARD8 depth, bitsPerPixel;
    short int displayWidth;
    int pitchInc;
    rgb weight;

#ifndef AVOID_DGA

    /*
     * DGA-related data.
     */
    DGAModePtr pDGAMode;
    DGAFunctionRec ATIDGAFunctions;
    int nDGAMode;

    /*
     * XAAForceTransBlit alters the behavior of 'SetupForScreenToScreenCopy',
     * such that ~0 is interpreted as a legitimate transparency key.
     */
    CARD8 XAAForceTransBlit;

#endif /* AVOID_DGA */

    /*
     * XVideo-related data.
     */
    DevUnion XVPortPrivate[1];
    pointer pXVBuffer;		/* USE_EXA: ExaOffscreenArea*
				   USE_XAA: FBLinearPtr */
    RegionRec VideoClip;
    int SurfacePitch, SurfaceOffset;
    CARD8 AutoPaint, DoubleBuffer, CurrentBuffer, ActiveSurface;

    /*
     * Data saved by ATIUnlock() and restored by ATILock().
     */
    struct
    {
        /* Mach64 registers */
        CARD32 crtc_int_cntl, crtc_gen_cntl, i2c_cntl_0, hw_debug,
               scratch_reg3, bus_cntl, lcd_index, mem_cntl, i2c_cntl_1,
               dac_cntl, gen_test_cntl, mpp_config, mpp_strobe_seq, tvo_cntl;

#ifndef AVOID_CPIO

        CARD32 config_cntl;

        /* Mach8/Mach32 registers */
        CARD16 clock_sel, misc_options, mem_bndry, mem_cfg;

        /* VGA Wonder registers */
        CARD8 a6, ab, b1, b4, b5, b6, b8, b9, be;

        /* VGA registers */
        CARD8 crt03, crt11;

        /* VGA shadow registers */
        CARD8 shadow_crt03, shadow_crt11;

#endif /* AVOID_CPIO */

    } LockData;

    /* Mode data */
    ATIHWRec OldHW, NewHW;
    int MaximumInterlacedPitch;
    Bool InterlacedSeen;

    /*
     * Resource Access Control entity index.
     */
    int iEntity;

    /*
     * Driver options.
     */
    unsigned int OptionAccel:1;        /* Use hardware draw engine */
    unsigned int OptionBIOSDisplay:1;  /* Allow BIOS interference */
    unsigned int OptionBlend:1;        /* Force horizontal blending */
    unsigned int OptionCRTDisplay:1;   /* Display on both CRT & DFP */
    unsigned int OptionCSync:1;        /* Use composite sync */
    unsigned int OptionDevel:1;        /* Intentionally undocumented */

#ifndef AVOID_CPIO

    unsigned int OptionLinear:1;       /* Use linear aperture if available */

#endif /* AVOID_CPIO */
 
#ifdef TV_OUT

    CARD8 OptionTvOut;          /* Enable TV out if TV is connected */
    CARD8 OptionTvStd;          /* Requested TV standard - see ATITVStandard enum in atioption.h */

#endif /* TV_OUT */

    unsigned int OptionMMIOCache:1;    /* Cache MMIO writes */
    unsigned int OptionTestMMIOCache:1;/* Test MMIO cache integrity */
    unsigned int OptionPanelDisplay:1; /* Prefer digital panel over CRT */
    unsigned int OptionProbeClocks:1;  /* Force probe for fixed clocks */
    unsigned int OptionShadowFB:1;     /* Use shadow frame buffer */
    unsigned int OptionLCDSync:1;      /* Temporary */

    /*
     * State flags.
     */
    CARD8 Unlocked, Mapped, Closeable;
    CARD8 MMIOInLinear;

    /*
     * Wrapped functions.
     */
    CloseScreenProcPtr CloseScreen;

#ifdef XF86DRI_DEVEL

    /*
     * DRI data.
     */
    int directRenderingEnabled;
    DRIInfoPtr pDRIInfo;
    int drmFD;
    int irq;
    int numVisualConfigs;
    __GLXvisualConfig *pVisualConfigs;
    ATIConfigPrivPtr pVisualConfigsPriv;
    ATIDRIServerInfoPtr pDRIServerInfo;
    Bool NeedDRISync;
    Bool have3DWindows;
                                                                                
    /* offscreen memory management */
#ifdef USE_XAA
    int               backLines;
    FBAreaPtr         backArea;
    int               depthTexLines;
    FBAreaPtr         depthTexArea;
#endif
    CARD8 OptionIsPCI;           /* Force PCI mode */
    CARD8 OptionDMAMode;         /* async, sync, mmio */
    CARD8 OptionAGPMode;         /* AGP mode */
    CARD8 OptionAGPSize;         /* AGP size in MB */
    CARD8 OptionLocalTextures;   /* Use local textures + AGP textures (only valid for AGP) */
    CARD8 OptionBufferSize;      /* Command/dma buffer size in MB */

#endif /* XF86DRI_DEVEL */

#ifdef TV_OUT
    /* TV out */
    vbeInfoPtr pVBE;
    xf86Int10InfoPtr pInt10;
    int vbemode; /* saved text mode */
    Bool tvActive;
#endif /* TV_OUT */
} ATIRec;

#define ATIPTR(_p) ((ATIPtr)((_p)->driverPrivate))

#endif /* ___ATISTRUCT_H___ */