summaryrefslogtreecommitdiff
path: root/src/lg.h
blob: af9a914fddcd456449ec766f46a3b5e92e92cc4a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
/*
 * Common strutures and function for CL-GD546x -- The Laguna family
 *
 * lg.h
 *
 * (c) 1998 Corin Anderson.
 *          corina@the4cs.com
 *          Tukwila, WA
 *
 *  Inspired by cir.h
 */

/* $XFree86$ */

#ifndef LG_H
#define LG_H
#define LG_DEBUG

extern ScrnInfoPtr LgProbe(int entity);
extern const OptionInfoRec *	LgAvailableOptions(int chipid);

# ifdef _LG_PRIVATE_

/* Saved registers that are not part of the core VGA */
/* CRTC >= 0x19; Sequencer >= 0x05; Graphics >= 0x09; Attribute >= 0x15 */
	/* CR regs */
enum {
	/* CR regs */
	CR1A,
	CR1B,
	CR1D,
	CR1E,
	/* SR regs */
	SR07,
	SR0E,
	SR12,
	SR13,
	SR1E,
	/* Must be last! */
	LG_LAST_REG
};

#undef FORMAT

typedef struct {
	unsigned char ExtVga[LG_LAST_REG];

	/* Laguna regs */
	CARD8 TILE, BCLK;
	CARD16 FORMAT, DTTC, TileCtrl, CONTROL;
	CARD32 VSC;
} LgRegRec, *LgRegPtr;

typedef struct {
	int tilesPerLine;	/* Number of tiles per line */
	int pitch;			/* Display pitch, in bytes */
	int width;			/* Tile width.  0 = 128 byte  1 = 256 byte */
} LgLineDataRec, *LgLineDataPtr;


/* lg_driver.c */
extern LgLineDataRec LgLineData[];

/* lg_xaa.c */
extern Bool LgXAAInit(ScreenPtr pScreen);

/* lg_hwcurs.c */
extern Bool LgHWCursorInit(ScreenPtr pScreen);
extern void LgHideCursor(ScrnInfoPtr pScrn);
extern void LgShowCursor(ScrnInfoPtr pScrn);

/* lg_i2c.c */
extern Bool LgI2CInit(ScrnInfoPtr pScrn);

#define memrb(off) MMIO_IN8(pCir->IOBase,off)
#define memrw(off) MMIO_IN16(pCir->IOBase,off)
#define memrl(off) MMIO_IN32(pCir->IOBase,off)
#define memwb(off,val) MMIO_OUT8(pCir->IOBase,off,val)
#define memww(off,val) MMIO_OUT16(pCir->IOBase,off,val)
#define memwl(off,val) MMIO_OUT32(pCir->IOBase,off,val)

/* Card-specific driver information */
#define LGPTR(p) ((LgPtr)((p)->chip.lg))

typedef struct lgRec {
	CARD32		HWCursorAddr;
	int			HWCursorImageX;
	int			HWCursorImageY;
	int			HWCursorTileWidth;
	int			HWCursorTileHeight;

	int			lineDataIndex;

	int			memInterleave;

	LgRegRec	SavedReg;
	LgRegRec	ModeReg;

	CARD32		oldBitmask;
	Bool		blitTransparent;
	int			blitYDir;
} LgRec, *LgPtr;

# endif /* _LG_PRIVATE_ */
#endif /* LG_H */