/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/cirrus/cir.h,v 1.20 2002/01/04 21:26:54 tsi Exp $ */

/* (c) Itai Nahshon */

#ifndef CIR_H
#define CIR_H

#include "xf86Cursor.h"
#include "xaa.h"
#include "xf86i2c.h"

/* Card-specific driver information */
#define CIRPTR(p) ((CirPtr)((p)->driverPrivate))
struct lgRec;
struct alpRec;

typedef struct {
	ScrnInfoPtr		pScrn;
	CARD32			properties;
	pciVideoPtr		PciInfo;
	PCITAG			PciTag;
	IOADDRESS		PIOReg;
    union {
	struct lgRec		*lg;
	struct alpRec		*alp;
    } chip;
	EntityInfoPtr		pEnt;
	int			Chipset;
	int			ChipRev;
	int			Rounding;
	int			BppShift;
	Bool			HasFBitBlt;
	CARD32			IOAddress;
	CARD32			FbAddress;
	unsigned char *		IOBase;
	unsigned char *		FbBase;
	long			FbMapSize;
	long			IoMapSize;
	int			MinClock;
	int			MaxClock;
	Bool			NoAccel;
	Bool			HWCursor;
	Bool			UseMMIO;
	XAAInfoRecPtr		AccelInfoRec;
	xf86CursorInfoPtr	CursorInfoRec;
	int			DGAnumModes;
	DGAModePtr		DGAModes;
	Bool			DGAactive;
	Bool			(*DGAModeInit)(ScrnInfoPtr, DisplayModePtr);
	int			DGAViewportStatus;
	I2CBusPtr		I2CPtr1;
	I2CBusPtr		I2CPtr2;
	CloseScreenProcPtr	CloseScreen;

	Bool			CursorIsSkewed;
	Bool			shadowFB;
	int			rotate;
	int			ShadowPitch;
	unsigned char *		ShadowPtr;
	void			(*PointerMoved)(int index, int x, int y);
	int			pitch;

	unsigned char **	ScanlineColorExpandBuffers;
	void			(*InitAccel)(ScrnInfoPtr);
	int			offscreen_size;
	int			offscreen_offset;
	OptionInfoPtr		Options;
} CirRec, *CirPtr;

/* CirrusClk.c */
extern Bool
CirrusFindClock(int *rfreq, int max_clock, int *num_out, int *den_out);

/* cir_driver.c */
extern SymTabRec CIRChipsets[];
extern PciChipsets CIRPciChipsets[];

extern Bool CirMapMem(CirPtr pCir, int scrnIndex);
extern Bool CirUnmapMem(CirPtr pCir, int scrnIndex);
extern void cirProbeDDC(ScrnInfoPtr pScrn, int index);

/* cir_dga.c */
extern Bool CirDGAInit(ScreenPtr pScreen);

/* in cir_shadow.c */
void cirPointerMoved(int index, int x, int y);
void cirRefreshArea(ScrnInfoPtr pScrn, int num, BoxPtr pbox);
void cirRefreshArea8(ScrnInfoPtr pScrn, int num, BoxPtr pbox);
void cirRefreshArea16(ScrnInfoPtr pScrn, int num, BoxPtr pbox);
void cirRefreshArea24(ScrnInfoPtr pScrn, int num, BoxPtr pbox);
void cirRefreshArea32(ScrnInfoPtr pScrn, int num, BoxPtr pbox);

/* properties */
#define HWCUR64 0x1
#define ACCEL_AUTOSTART 0x2

#endif /* CIR_H */