1*4882a593Smuzhiyun 2*4882a593Smuzhiyun #ifndef _XF86RAMDAC_H 3*4882a593Smuzhiyun #define _XF86RAMDAC_H 1 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include "colormapst.h" 6*4882a593Smuzhiyun #include "xf86Cursor.h" 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun /* Define unique vendor codes for RAMDAC's */ 9*4882a593Smuzhiyun #define VENDOR_IBM 0x0000 10*4882a593Smuzhiyun #define VENDOR_BT 0x0001 11*4882a593Smuzhiyun #define VENDOR_TI 0x0002 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun typedef struct _RamDacRegRec { 14*4882a593Smuzhiyun /* This is probably the nastiest assumption, we allocate 1024 slots for 15*4882a593Smuzhiyun * ramdac registers, should be enough. I've checked IBM and TVP series 16*4882a593Smuzhiyun * and they seem o.k 17*4882a593Smuzhiyun * Then we allocate 768 entries for the DAC too. IBM640 needs 1024 -FIXME 18*4882a593Smuzhiyun */ 19*4882a593Smuzhiyun unsigned short DacRegs[0x400]; /* register set */ 20*4882a593Smuzhiyun unsigned char DAC[0x300]; /* colour map */ 21*4882a593Smuzhiyun Bool Overlay; 22*4882a593Smuzhiyun } RamDacRegRec, *RamDacRegRecPtr; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun typedef struct _RamDacHWRegRec { 25*4882a593Smuzhiyun RamDacRegRec SavedReg; 26*4882a593Smuzhiyun RamDacRegRec ModeReg; 27*4882a593Smuzhiyun } RamDacHWRec, *RamDacHWRecPtr; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun typedef struct _RamDacRec { 30*4882a593Smuzhiyun CARD32 RamDacType; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun void (*LoadPalette) (ScrnInfoPtr pScrn, 33*4882a593Smuzhiyun int numColors, 34*4882a593Smuzhiyun int *indices, LOCO * colors, VisualPtr pVisual); 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun unsigned char (*ReadDAC) (ScrnInfoPtr pScrn, CARD32); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun void (*WriteDAC) (ScrnInfoPtr pScrn, CARD32, unsigned char, unsigned char); 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun void (*WriteAddress) (ScrnInfoPtr pScrn, CARD32); 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun void (*WriteData) (ScrnInfoPtr pScrn, unsigned char); 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun void (*ReadAddress) (ScrnInfoPtr pScrn, CARD32); 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun unsigned char (*ReadData) (ScrnInfoPtr pScrn); 47*4882a593Smuzhiyun } RamDacRec, *RamDacRecPtr; 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun typedef struct _RamDacHelperRec { 50*4882a593Smuzhiyun CARD32 RamDacType; 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun void (*Restore) (ScrnInfoPtr pScrn, 53*4882a593Smuzhiyun RamDacRecPtr ramdacPtr, RamDacRegRecPtr ramdacReg); 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun void (*Save) (ScrnInfoPtr pScrn, 56*4882a593Smuzhiyun RamDacRecPtr ramdacPtr, RamDacRegRecPtr ramdacReg); 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun void (*SetBpp) (ScrnInfoPtr pScrn, RamDacRegRecPtr ramdacReg); 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun void (*HWCursorInit) (xf86CursorInfoPtr infoPtr); 61*4882a593Smuzhiyun } RamDacHelperRec, *RamDacHelperRecPtr; 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun #define RAMDACHWPTR(p) ((RamDacHWRecPtr)((p)->privates[RamDacGetHWIndex()].ptr)) 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun typedef struct _RamdacScreenRec { 66*4882a593Smuzhiyun RamDacRecPtr RamDacRec; 67*4882a593Smuzhiyun } RamDacScreenRec, *RamDacScreenRecPtr; 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun #define RAMDACSCRPTR(p) ((RamDacScreenRecPtr)((p)->privates[RamDacGetScreenIndex()].ptr))->RamDacRec 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun extern _X_EXPORT int RamDacHWPrivateIndex; 72*4882a593Smuzhiyun extern _X_EXPORT int RamDacScreenPrivateIndex; 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun typedef struct { 75*4882a593Smuzhiyun int token; 76*4882a593Smuzhiyun } RamDacSupportedInfoRec, *RamDacSupportedInfoRecPtr; 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun extern _X_EXPORT RamDacRecPtr RamDacCreateInfoRec(void); 79*4882a593Smuzhiyun extern _X_EXPORT RamDacHelperRecPtr RamDacHelperCreateInfoRec(void); 80*4882a593Smuzhiyun extern _X_EXPORT void RamDacDestroyInfoRec(RamDacRecPtr RamDacRec); 81*4882a593Smuzhiyun extern _X_EXPORT void RamDacHelperDestroyInfoRec(RamDacHelperRecPtr RamDacRec); 82*4882a593Smuzhiyun extern _X_EXPORT Bool RamDacInit(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec); 83*4882a593Smuzhiyun extern _X_EXPORT Bool RamDacHandleColormaps(ScreenPtr pScreen, int maxColors, 84*4882a593Smuzhiyun int sigRGBbits, unsigned int flags); 85*4882a593Smuzhiyun extern _X_EXPORT void RamDacFreeRec(ScrnInfoPtr pScrn); 86*4882a593Smuzhiyun extern _X_EXPORT int RamDacGetHWIndex(void); 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun #endif /* _XF86RAMDAC_H */ 89