1 files changed, 121 insertions, 0 deletions
diff --git a/hw/xfree86/ramdac/xf86RamDac.h b/hw/xfree86/ramdac/xf86RamDac.h
new file mode 100644
index 0000000..4a3900b
--- /dev/null
+++ b/hw/xfree86/ramdac/xf86RamDac.h
@@ -0,0 +1,121 @@
+
+#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 _X_EXPORT int RamDacHWPrivateIndex;
+extern _X_EXPORT int RamDacScreenPrivateIndex;
+
+typedef struct {
+    int		token;
+} RamDacSupportedInfoRec, *RamDacSupportedInfoRecPtr;
+
+extern _X_EXPORT RamDacRecPtr RamDacCreateInfoRec(void);
+extern _X_EXPORT RamDacHelperRecPtr RamDacHelperCreateInfoRec(void);
+extern _X_EXPORT void RamDacDestroyInfoRec(RamDacRecPtr RamDacRec);
+extern _X_EXPORT void RamDacHelperDestroyInfoRec(RamDacHelperRecPtr RamDacRec);
+extern _X_EXPORT Bool RamDacInit(ScrnInfoPtr pScrn, RamDacRecPtr RamDacRec);
+extern _X_EXPORT Bool RamDacHandleColormaps(ScreenPtr pScreen, int maxColors, int sigRGBbits,
+			   unsigned int flags);
+extern _X_EXPORT void RamDacFreeRec(ScrnInfoPtr pScrn);
+extern _X_EXPORT int  RamDacGetHWIndex(void);
+
+#endif /* _XF86RAMDAC_H */