125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/ramdac/xf86RamDac.h,v 1.9 1999/03/28 15:33:02 dawes Exp $ */
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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)(
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ScrnInfoPtr pScrn,
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int numColors,
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int *indices,
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LOCO *colors,
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VisualPtr pVisual
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);
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unsigned char (*ReadDAC)(
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ScrnInfoPtr pScrn,
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CARD32
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);
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void (*WriteDAC)(
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ScrnInfoPtr pScrn,
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CARD32,
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unsigned char,
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unsigned char
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);
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void (*WriteAddress)(
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ScrnInfoPtr pScrn,
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CARD32
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);
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void (*WriteData)(
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ScrnInfoPtr pScrn,
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unsigned char
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);
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void (*ReadAddress)(
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ScrnInfoPtr pScrn,
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CARD32
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);
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unsigned char (*ReadData)(
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ScrnInfoPtr pScrn
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);
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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)(
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ScrnInfoPtr pScrn,
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RamDacRecPtr ramdacPtr,
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RamDacRegRecPtr ramdacReg
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);
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void (*Save)(
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ScrnInfoPtr pScrn,
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RamDacRecPtr ramdacPtr,
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RamDacRegRecPtr ramdacReg
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);
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void (*SetBpp)(
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ScrnInfoPtr pScrn,
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RamDacRegRecPtr ramdacReg
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);
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void (*HWCursorInit)(
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xf86CursorInfoPtr infoPtr
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);
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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 int RamDacHWPrivateIndex;
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extern int RamDacScreenPrivateIndex;
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typedef struct {
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int token;
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} RamDacSupportedInfoRec, *RamDacSupportedInfoRecPtr;
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RamDacRecPtr RamDacCreateInfoRec(void);
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RamDacHelperRecPtr RamDacHelperCreateInfoRec(void);
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void RamDacDestroyInfoRec(RamDacRecPtr RamDacRec);
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void RamDacHelperDestroyInfoRec(RamDacHelperRecPtr RamDacRec);
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Bool RamDacInit(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec);
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void RamDacSetGamma(ScrnInfoPtr pScrn, Bool Real8BitDac);
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void RamDacRestoreDACValues(ScrnInfoPtr pScrn);
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Bool RamDacHandleColormaps(ScreenPtr pScreen, int maxColors, int sigRGBbits,
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unsigned int flags);
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void RamDacFreeRec(ScrnInfoPtr pScrn);
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int RamDacGetHWIndex(void);
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#endif /* _XF86RAMDAC_H */
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