| 1 |
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| 2 | #ifndef _XF86RAMDAC_H
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| 3 | #define _XF86RAMDAC_H 1
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| 4 |
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| 5 | #include "colormapst.h"
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| 6 | #include "xf86Cursor.h"
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| 7 |
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| 8 | /* Define unique vendor codes for RAMDAC's */
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| 9 | #define VENDOR_IBM 0x0000
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| 10 | #define VENDOR_BT 0x0001
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| 11 | #define VENDOR_TI 0x0002
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| 12 |
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| 13 | typedef struct _RamDacRegRec {
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| 14 | /* This is probably the nastiest assumption, we allocate 1024 slots for
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| 15 | * ramdac registers, should be enough. I've checked IBM and TVP series
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| 16 | * and they seem o.k
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| 17 | * Then we allocate 768 entries for the DAC too. IBM640 needs 1024 -FIXME
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| 18 | */
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| 19 | unsigned short DacRegs[0x400]; /* register set */
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| 20 | unsigned char DAC[0x300]; /* colour map */
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| 21 | Bool Overlay;
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| 22 | } RamDacRegRec, *RamDacRegRecPtr;
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| 23 |
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| 24 | typedef struct _RamDacHWRegRec {
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| 25 | RamDacRegRec SavedReg;
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| 26 | RamDacRegRec ModeReg;
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| 27 | } RamDacHWRec, *RamDacHWRecPtr;
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| 28 |
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| 29 | typedef struct _RamDacRec {
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| 30 | CARD32 RamDacType;
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| 31 |
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| 32 | void (*LoadPalette) (ScrnInfoPtr pScrn,
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| 33 | int numColors,
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| 34 | int *indices, LOCO * colors, VisualPtr pVisual);
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| 35 |
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| 36 | unsigned char (*ReadDAC) (ScrnInfoPtr pScrn, CARD32);
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| 37 |
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| 38 | void (*WriteDAC) (ScrnInfoPtr pScrn, CARD32, unsigned char, unsigned char);
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| 39 |
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| 40 | void (*WriteAddress) (ScrnInfoPtr pScrn, CARD32);
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| 41 |
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| 42 | void (*WriteData) (ScrnInfoPtr pScrn, unsigned char);
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| 43 |
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| 44 | void (*ReadAddress) (ScrnInfoPtr pScrn, CARD32);
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| 45 |
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| 46 | unsigned char (*ReadData) (ScrnInfoPtr pScrn);
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| 47 | } RamDacRec, *RamDacRecPtr;
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| 48 |
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| 49 | typedef struct _RamDacHelperRec {
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| 50 | CARD32 RamDacType;
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| 51 |
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| 52 | void (*Restore) (ScrnInfoPtr pScrn,
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| 53 | RamDacRecPtr ramdacPtr, RamDacRegRecPtr ramdacReg);
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| 54 |
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| 55 | void (*Save) (ScrnInfoPtr pScrn,
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| 56 | RamDacRecPtr ramdacPtr, RamDacRegRecPtr ramdacReg);
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| 57 |
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| 58 | void (*SetBpp) (ScrnInfoPtr pScrn, RamDacRegRecPtr ramdacReg);
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| 59 |
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| 60 | void (*HWCursorInit) (xf86CursorInfoPtr infoPtr);
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| 61 | } RamDacHelperRec, *RamDacHelperRecPtr;
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| 62 |
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| 63 | #define RAMDACHWPTR(p) ((RamDacHWRecPtr)((p)->privates[RamDacGetHWIndex()].ptr))
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| 64 |
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| 65 | typedef struct _RamdacScreenRec {
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| 66 | RamDacRecPtr RamDacRec;
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| 67 | } RamDacScreenRec, *RamDacScreenRecPtr;
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| 68 |
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| 69 | #define RAMDACSCRPTR(p) ((RamDacScreenRecPtr)((p)->privates[RamDacGetScreenIndex()].ptr))->RamDacRec
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| 70 |
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| 71 | extern _X_EXPORT int RamDacHWPrivateIndex;
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| 72 | extern _X_EXPORT int RamDacScreenPrivateIndex;
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| 73 |
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| 74 | typedef struct {
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| 75 | int token;
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| 76 | } RamDacSupportedInfoRec, *RamDacSupportedInfoRecPtr;
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| 77 |
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| 78 | extern _X_EXPORT RamDacRecPtr RamDacCreateInfoRec(void);
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| 79 | extern _X_EXPORT RamDacHelperRecPtr RamDacHelperCreateInfoRec(void);
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| 80 | extern _X_EXPORT void RamDacDestroyInfoRec(RamDacRecPtr RamDacRec);
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| 81 | extern _X_EXPORT void RamDacHelperDestroyInfoRec(RamDacHelperRecPtr RamDacRec);
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| 82 | extern _X_EXPORT Bool RamDacInit(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec);
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| 83 | extern _X_EXPORT Bool RamDacHandleColormaps(ScreenPtr pScreen, int maxColors,
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| 84 | int sigRGBbits, unsigned int flags);
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| 85 | extern _X_EXPORT void RamDacFreeRec(ScrnInfoPtr pScrn);
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| 86 | extern _X_EXPORT int RamDacGetHWIndex(void);
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| 87 |
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| 88 | #endif /* _XF86RAMDAC_H */
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