riva_hw.h

linux-2.6.15.6

 */
typedef volatile struct
{
    U032 reserved00[4];
#ifdef __BIG_ENDIAN
    U032 FifoFree;
#else
    U016 FifoFree;
    U016 Nop;
#endif
    U032 reserved01[0x0BC];
    U032 TextureOffset;
    U032 TextureFormat;
    U032 TextureFilter;
    U032 FogColor;
/* This is a problem on LynxOS */
#ifdef Control
#undef Control
#endif
    U032 Control;
    U032 AlphaTest;
    U032 reserved02[0x339];
    U032 FogAndIndex;
    U032 Color;
    float ScreenX;
    float ScreenY;
    float ScreenZ;
    float EyeM;
    float TextureS;
    float TextureT;
} RivaTexturedTriangle03;
typedef volatile struct
{
    U032 reserved00[4];
#ifdef __BIG_ENDIAN
    U032 FifoFree;
#else
    U016 FifoFree;
    U016 Nop;
#endif
    U032 reserved01[0x0BB];
    U032 ColorKey;
    U032 TextureOffset;
    U032 TextureFormat;
    U032 TextureFilter;
    U032 Blend;
/* This is a problem on LynxOS */
#ifdef Control
#undef Control
#endif
    U032 Control;
    U032 FogColor;
    U032 reserved02[0x39];
    struct
    {
        float ScreenX;
        float ScreenY;
        float ScreenZ;
        float EyeM;
        U032 Color;
        U032 Specular;
        float TextureS;
        float TextureT;
    } Vertex[16];
    U032 DrawTriangle3D;
} RivaTexturedTriangle05;
/*
 * 2D line.
 */
typedef volatile struct
{
    U032 reserved00[4];
#ifdef __BIG_ENDIAN
    U032 FifoFree;
#else
    U016 FifoFree;
    U016 Nop[1];
#endif
    U032 reserved01[0x0BC];
    U032 Color;             /* source color               0304-0307*/
    U032 Reserved02[0x03e];
    struct {                /* start aliased methods in array   0400-    */
        U032 point0;        /* y_x S16_S16 in pixels            0-   3*/
        U032 point1;        /* y_x S16_S16 in pixels            4-   7*/
    } Lin[16];              /* end of aliased methods in array      -047f*/
    struct {                /* start aliased methods in array   0480-    */
        U032 point0X;       /* in pixels, 0 at left                0-   3*/
        U032 point0Y;       /* in pixels, 0 at top                 4-   7*/
        U032 point1X;       /* in pixels, 0 at left                8-   b*/
        U032 point1Y;       /* in pixels, 0 at top                 c-   f*/
    } Lin32[8];             /* end of aliased methods in array      -04ff*/
    U032 PolyLin[32];       /* y_x S16_S16 in pixels         0500-057f*/
    struct {                /* start aliased methods in array   0580-    */
        U032 x;             /* in pixels, 0 at left                0-   3*/
        U032 y;             /* in pixels, 0 at top                 4-   7*/
    } PolyLin32[16];        /* end of aliased methods in array      -05ff*/
    struct {                /* start aliased methods in array   0600-    */
        U032 color;         /* source color                     0-   3*/
        U032 point;         /* y_x S16_S16 in pixels            4-   7*/
    } ColorPolyLin[16];     /* end of aliased methods in array      -067f*/
} RivaLine;
/*
 * 2D/3D surfaces
 */
typedef volatile struct
{
    U032 reserved00[4];
#ifdef __BIG_ENDIAN
    U032 FifoFree;
#else
    U016 FifoFree;
    U016 Nop;
#endif
    U032 reserved01[0x0BE];
    U032 Offset;
} RivaSurface;
typedef volatile struct
{
    U032 reserved00[4];
#ifdef __BIG_ENDIAN
    U032 FifoFree;
#else
    U016 FifoFree;
    U016 Nop;
#endif
    U032 reserved01[0x0BD];
    U032 Pitch;
    U032 RenderBufferOffset;
    U032 ZBufferOffset;
} RivaSurface3D;
    
/***************************************************************************\
*                                                                           *
*                        Virtualized RIVA H/W interface.                    *
*                                                                           *
\***************************************************************************/

#define FP_ENABLE  1
#define FP_DITHER  2

struct _riva_hw_inst;
struct _riva_hw_state;
/*
 * Virtialized chip interface. Makes RIVA 128 and TNT look alike.
 */
typedef struct _riva_hw_inst
{
    /*
     * Chip specific settings.
     */
    U032 Architecture;
    U032 Version;
    U032 Chipset;
    U032 CrystalFreqKHz;
    U032 RamAmountKBytes;
    U032 MaxVClockFreqKHz;
    U032 RamBandwidthKBytesPerSec;
    U032 EnableIRQ;
    U032 IO;
    U032 VBlankBit;
    U032 FifoFreeCount;
    U032 FifoEmptyCount;
    U032 CursorStart;
    U032 flatPanel;
    Bool twoHeads;
    /*
     * Non-FIFO registers.
     */
    volatile U032 __iomem *PCRTC0;
    volatile U032 __iomem *PCRTC;
    volatile U032 __iomem *PRAMDAC0;
    volatile U032 __iomem *PFB;
    volatile U032 __iomem *PFIFO;
    volatile U032 __iomem *PGRAPH;
    volatile U032 __iomem *PEXTDEV;
    volatile U032 __iomem *PTIMER;
    volatile U032 __iomem *PMC;
    volatile U032 __iomem *PRAMIN;
    volatile U032 __iomem *FIFO;
    volatile U032 __iomem *CURSOR;
    volatile U008 __iomem *PCIO0;
    volatile U008 __iomem *PCIO;
    volatile U008 __iomem *PVIO;
    volatile U008 __iomem *PDIO0;
    volatile U008 __iomem *PDIO;
    volatile U032 __iomem *PRAMDAC;
    /*
     * Common chip functions.
     */
    int  (*Busy)(struct _riva_hw_inst *);
    void (*CalcStateExt)(struct _riva_hw_inst *,struct _riva_hw_state *,int,int,int,int,int);
    void (*LoadStateExt)(struct _riva_hw_inst *,struct _riva_hw_state *);
    void (*UnloadStateExt)(struct _riva_hw_inst *,struct _riva_hw_state *);
    void (*SetStartAddress)(struct _riva_hw_inst *,U032);
    void (*SetSurfaces2D)(struct _riva_hw_inst *,U032,U032);
    void (*SetSurfaces3D)(struct _riva_hw_inst *,U032,U032);
    int  (*ShowHideCursor)(struct _riva_hw_inst *,int);
    void (*LockUnlock)(struct _riva_hw_inst *, int);
    /*
     * Current extended mode settings.
     */
    struct _riva_hw_state *CurrentState;
    /*
     * FIFO registers.
     */
    RivaRop                 __iomem *Rop;
    RivaPattern             __iomem *Patt;
    RivaClip                __iomem *Clip;
    RivaPixmap              __iomem *Pixmap;
    RivaScreenBlt           __iomem *Blt;
    RivaBitmap              __iomem *Bitmap;
    RivaLine                __iomem *Line;
    RivaTexturedTriangle03  __iomem *Tri03;
    RivaTexturedTriangle05  __iomem *Tri05;
} RIVA_HW_INST;
/*
 * Extended mode state information.
 */
typedef struct _riva_hw_state
{
    U032 bpp;
    U032 width;
    U032 height;
    U032 interlace;
    U032 repaint0;
    U032 repaint1;
    U032 screen;
    U032 scale;
    U032 dither;
    U032 extra;
    U032 pixel;
    U032 horiz;
    U032 arbitration0;
    U032 arbitration1;
    U032 vpll;
    U032 vpll2;
    U032 pllsel;
    U032 general;
    U032 crtcOwner;
    U032 head; 
    U032 head2; 
    U032 config;
    U032 cursorConfig;	
    U032 cursor0;
    U032 cursor1;
    U032 cursor2;
    U032 offset0;
    U032 offset1;
    U032 offset2;
    U032 offset3;
    U032 pitch0;
    U032 pitch1;
    U032 pitch2;
    U032 pitch3;
} RIVA_HW_STATE;
/*
 * External routines.
 */
int RivaGetConfig(RIVA_HW_INST *, unsigned int);
/*
 * FIFO Free Count. Should attempt to yield processor if RIVA is busy.
 */

#define RIVA_FIFO_FREE(hwinst,hwptr,cnt)                            \
{                                                                   \
    while ((hwinst).FifoFreeCount < (cnt)) {                        \
	mb();mb();						    \
        (hwinst).FifoFreeCount = NV_RD32(&(hwinst).hwptr->FifoFree, 0) >> 2;     \
    }								    \
    (hwinst).FifoFreeCount -= (cnt);                                \
}
#endif /* __RIVA_HW_H__ */