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#ifndef _XF86RAMDAC_H
#define _XF86RAMDAC_H 1
#include "colormapst.h"
#include "xf86Cursor.h"
/* Define unique vendor codes for RAMDAC's */
#define VENDOR_IBM 0x0000
#define VENDOR_BT 0x0001
#define VENDOR_TI 0x0002
typedef struct _RamDacRegRec {
/* This is probably the nastiest assumption, we allocate 1024 slots for
* ramdac registers, should be enough. I've checked IBM and TVP series
* and they seem o.k
* Then we allocate 768 entries for the DAC too. IBM640 needs 1024 -FIXME
*/
unsigned short DacRegs[0x400]; /* register set */
unsigned char DAC[0x300]; /* colour map */
Bool Overlay;
} RamDacRegRec, *RamDacRegRecPtr;
typedef struct _RamDacHWRegRec {
RamDacRegRec SavedReg;
RamDacRegRec ModeReg;
} RamDacHWRec, *RamDacHWRecPtr;
typedef struct _RamDacRec {
CARD32 RamDacType;
void (*LoadPalette) (ScrnInfoPtr pScrn,
int numColors,
int *indices, LOCO * colors, VisualPtr pVisual);
unsigned char (*ReadDAC) (ScrnInfoPtr pScrn, CARD32);
void (*WriteDAC) (ScrnInfoPtr pScrn, CARD32, unsigned char, unsigned char);
void (*WriteAddress) (ScrnInfoPtr pScrn, CARD32);
void (*WriteData) (ScrnInfoPtr pScrn, unsigned char);
void (*ReadAddress) (ScrnInfoPtr pScrn, CARD32);
unsigned char (*ReadData) (ScrnInfoPtr pScrn);
} RamDacRec, *RamDacRecPtr;
typedef struct _RamDacHelperRec {
CARD32 RamDacType;
void (*Restore) (ScrnInfoPtr pScrn,
RamDacRecPtr ramdacPtr, RamDacRegRecPtr ramdacReg);
void (*Save) (ScrnInfoPtr pScrn,
RamDacRecPtr ramdacPtr, RamDacRegRecPtr ramdacReg);
void (*SetBpp) (ScrnInfoPtr pScrn, RamDacRegRecPtr ramdacReg);
void (*HWCursorInit) (xf86CursorInfoPtr infoPtr);
} RamDacHelperRec, *RamDacHelperRecPtr;
#define RAMDACHWPTR(p) ((RamDacHWRecPtr)((p)->privates[RamDacGetHWIndex()].ptr))
typedef struct _RamdacScreenRec {
RamDacRecPtr RamDacRec;
} RamDacScreenRec, *RamDacScreenRecPtr;
#define RAMDACSCRPTR(p) ((RamDacScreenRecPtr)((p)->privates[RamDacGetScreenIndex()].ptr))->RamDacRec
extern _X_EXPORT int RamDacHWPrivateIndex;
extern _X_EXPORT int RamDacScreenPrivateIndex;
typedef struct {
int token;
} RamDacSupportedInfoRec, *RamDacSupportedInfoRecPtr;
extern _X_EXPORT RamDacRecPtr RamDacCreateInfoRec(void);
extern _X_EXPORT RamDacHelperRecPtr RamDacHelperCreateInfoRec(void);
extern _X_EXPORT void RamDacDestroyInfoRec(RamDacRecPtr RamDacRec);
extern _X_EXPORT void RamDacHelperDestroyInfoRec(RamDacHelperRecPtr RamDacRec);
extern _X_EXPORT Bool RamDacInit(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec);
extern _X_EXPORT Bool RamDacHandleColormaps(ScreenPtr pScreen, int maxColors,
int sigRGBbits, unsigned int flags);
extern _X_EXPORT void RamDacFreeRec(ScrnInfoPtr pScrn);
extern _X_EXPORT int RamDacGetHWIndex(void);
#endif /* _XF86RAMDAC_H */
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