diff options
Diffstat (limited to 'xorg-server/hw/xfree86/ramdac/xf86RamDac.h')
-rw-r--r-- | xorg-server/hw/xfree86/ramdac/xf86RamDac.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/ramdac/xf86RamDac.h b/xorg-server/hw/xfree86/ramdac/xf86RamDac.h new file mode 100644 index 000000000..1f03dfb99 --- /dev/null +++ b/xorg-server/hw/xfree86/ramdac/xf86RamDac.h @@ -0,0 +1,123 @@ + +#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 int RamDacHWPrivateIndex; +extern int RamDacScreenPrivateIndex; + +typedef struct { + int token; +} RamDacSupportedInfoRec, *RamDacSupportedInfoRecPtr; + +RamDacRecPtr RamDacCreateInfoRec(void); +RamDacHelperRecPtr RamDacHelperCreateInfoRec(void); +void RamDacDestroyInfoRec(RamDacRecPtr RamDacRec); +void RamDacHelperDestroyInfoRec(RamDacHelperRecPtr RamDacRec); +Bool RamDacInit(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec); +void RamDacSetGamma(ScrnInfoPtr pScrn, Bool Real8BitDac); +void RamDacRestoreDACValues(ScrnInfoPtr pScrn); +Bool RamDacHandleColormaps(ScreenPtr pScreen, int maxColors, int sigRGBbits, + unsigned int flags); +void RamDacFreeRec(ScrnInfoPtr pScrn); +int RamDacGetHWIndex(void); + +#endif /* _XF86RAMDAC_H */ |