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-rw-r--r--hw/xfree86/ramdac/xf86RamDac.h124
1 files changed, 124 insertions, 0 deletions
diff --git a/hw/xfree86/ramdac/xf86RamDac.h b/hw/xfree86/ramdac/xf86RamDac.h
new file mode 100644
index 000000000..626a8b2b9
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+++ b/hw/xfree86/ramdac/xf86RamDac.h
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+/* $XFree86: xc/programs/Xserver/hw/xfree86/ramdac/xf86RamDac.h,v 1.11 2000/03/21 21:15:28 alanh Exp $ */
+
+#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 */