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