lg.h revision 76888252 
1/*
2 * Common strutures and function for CL-GD546x -- The Laguna family
3 *
4 * lg.h
5 *
6 * (c) 1998 Corin Anderson.
7 *          corina@the4cs.com
8 *          Tukwila, WA
9 *
10 *  Inspired by cir.h
11 */
12
13/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/cirrus/lg.h,v 1.11 2000/12/06 15:35:16 eich Exp $ */
14
15#ifndef LG_H
16#define LG_H
17#define LG_DEBUG
18
19extern ScrnInfoPtr LgProbe(int entity);
20extern const OptionInfoRec *	LgAvailableOptions(int chipid);
21
22# ifdef _LG_PRIVATE_
23
24/* Saved registers that are not part of the core VGA */
25/* CRTC >= 0x19; Sequencer >= 0x05; Graphics >= 0x09; Attribute >= 0x15 */
26	/* CR regs */
27enum {
28	/* CR regs */
29	CR1A,
30	CR1B,
31	CR1D,
32	CR1E,
33	/* SR regs */
34	SR07,
35	SR0E,
36	SR12,
37	SR13,
38	SR1E,
39	/* Must be last! */
40	LG_LAST_REG
41};
42
43#undef FORMAT
44
45typedef struct {
46	unsigned char ExtVga[LG_LAST_REG];
47
48	/* Laguna regs */
49	CARD8 TILE, BCLK;
50	CARD16 FORMAT, DTTC, TileCtrl, CONTROL;
51	CARD32 VSC;
52} LgRegRec, *LgRegPtr;
53
54typedef struct {
55	int tilesPerLine;	/* Number of tiles per line */
56	int pitch;			/* Display pitch, in bytes */
57	int width;			/* Tile width.  0 = 128 byte  1 = 256 byte */
58} LgLineDataRec, *LgLineDataPtr;
59
60
61/* lg_driver.c */
62extern LgLineDataRec LgLineData[];
63
64/* lg_xaa.c */
65extern Bool LgXAAInit(ScreenPtr pScreen);
66
67/* lg_hwcurs.c */
68extern Bool LgHWCursorInit(ScreenPtr pScreen);
69extern void LgHideCursor(ScrnInfoPtr pScrn);
70extern void LgShowCursor(ScrnInfoPtr pScrn);
71
72/* lg_i2c.c */
73extern Bool LgI2CInit(ScrnInfoPtr pScrn);
74
75#define memrb(off) MMIO_IN8(pCir->IOBase,off)
76#define memrw(off) MMIO_IN16(pCir->IOBase,off)
77#define memrl(off) MMIO_IN32(pCir->IOBase,off)
78#define memwb(off,val) MMIO_OUT8(pCir->IOBase,off,val)
79#define memww(off,val) MMIO_OUT16(pCir->IOBase,off,val)
80#define memwl(off,val) MMIO_OUT32(pCir->IOBase,off,val)
81
82/* Card-specific driver information */
83#define LGPTR(p) ((LgPtr)((p)->chip.lg))
84
85typedef struct lgRec {
86	CARD32		HWCursorAddr;
87	int			HWCursorImageX;
88	int			HWCursorImageY;
89	int			HWCursorTileWidth;
90	int			HWCursorTileHeight;
91
92	int			lineDataIndex;
93
94	int			memInterleave;
95
96	LgRegRec	SavedReg;
97	LgRegRec	ModeReg;
98
99	CARD32		oldBitmask;
100	Bool		blitTransparent;
101	int			blitYDir;
102} LgRec, *LgPtr;
103
104# endif /* _LG_PRIVATE_ */
105#endif /* LG_H */
106
107
108
109
110
111