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/*
* Common strutures and function for CL-GD546x -- The Laguna family
*
* lg.h
*
* (c) 1998 Corin Anderson.
* corina@the4cs.com
* Tukwila, WA
*
* Inspired by cir.h
*/
#ifndef LG_H
#define LG_H
#define LG_DEBUG
extern ScrnInfoPtr LgProbe(int entity);
extern const OptionInfoRec * LgAvailableOptions(int chipid);
# ifdef _LG_PRIVATE_
/* Saved registers that are not part of the core VGA */
/* CRTC >= 0x19; Sequencer >= 0x05; Graphics >= 0x09; Attribute >= 0x15 */
/* CR regs */
enum {
/* CR regs */
CR1A,
CR1B,
CR1D,
CR1E,
/* SR regs */
SR07,
SR0E,
SR1E,
/* Must be last! */
LG_LAST_REG
};
#undef FORMAT
typedef struct {
unsigned char ExtVga[LG_LAST_REG];
/* Laguna regs */
CARD8 TILE, BCLK;
CARD16 FORMAT, DTTC, TileCtrl, CONTROL;
CARD16 RIFCtrl, RACCtrl;
CARD32 VSC;
} LgRegRec, *LgRegPtr;
typedef struct {
int tilesPerLine; /* Number of tiles per line */
int pitch; /* Display pitch, in bytes */
int width; /* Tile width. 0 = 128 byte 1 = 256 byte */
} LgLineDataRec, *LgLineDataPtr;
/* lg_driver.c */
extern LgLineDataRec LgLineData[];
/* lg_hwcurs.c */
extern Bool LgHWCursorInit(ScreenPtr pScreen);
extern void LgHideCursor(ScrnInfoPtr pScrn);
extern void LgShowCursor(ScrnInfoPtr pScrn);
/* lg_i2c.c */
extern Bool LgI2CInit(ScrnInfoPtr pScrn);
#define memrb(off) MMIO_IN8(pCir->IOBase,off)
#define memrw(off) MMIO_IN16(pCir->IOBase,off)
#define memrl(off) MMIO_IN32(pCir->IOBase,off)
#define memwb(off,val) MMIO_OUT8(pCir->IOBase,off,val)
#define memww(off,val) MMIO_OUT16(pCir->IOBase,off,val)
#define memwl(off,val) MMIO_OUT32(pCir->IOBase,off,val)
/* Card-specific driver information */
#define LGPTR(p) ((LgPtr)((p)->chip.lg))
typedef struct lgRec {
CARD32 HWCursorAddr;
int HWCursorImageX;
int HWCursorImageY;
int HWCursorTileWidth;
int HWCursorTileHeight;
int lineDataIndex;
int memInterleave;
LgRegRec SavedReg;
LgRegRec ModeReg;
CARD32 oldBitmask;
Bool blitTransparent;
int blitYDir;
} LgRec, *LgPtr;
# endif /* _LG_PRIVATE_ */
#endif /* LG_H */
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