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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/* $XConsortium: cir_blitter.h,v 1.1 94/03/28 21:48:17 dpw Exp $ */
/* $XFree86: xc/programs/Xserver/hw/xfree86/vga256/drivers/cirrus/cirBlitter.h,v 3.6 1995/01/04 04:42:18 dawes Exp $ */
/* Definitions for BitBLT engine communication. */
/* BitBLT modes. */
#define FORWARDS 0x00
#define BACKWARDS 0x01
#define SYSTEMDEST 0x02
#define SYSTEMSRC 0x04
#define TRANSPARENCYCOMPARE 0x08
#define PIXELWIDTH16 0x10
#define PIXELWIDTH32 0x30 /* 543x only. */
#define PATTERNCOPY 0x40
#define COLOREXPAND 0x80
/* Address: the 5426 adresses 2MBytes, the 5434 can address 4MB. */
/* Set BLT source address; source address is modified by blit.
* Shadow variable is invalidated. */
#define SETSRCADDR(srcAddr) \
outw (0x3CE, (((srcAddr) & 0x000000FF) << 8) | 0x2C); \
outw (0x3CE, (((srcAddr) & 0x0000FF00)) | 0x2D); \
outw (0x3CE, (((srcAddr) & 0x003F0000) >> 8) | 0x2E); \
cirrusBltSrcAddrShadow = -1;
/* Set BLT source address; source address is preserved by blit.
* Usually dummy source address that needs to set to 0. */
#define SETSRCADDRUNMODIFIED(srcAddr) \
if (srcAddr != cirrusBltSrcAddrShadow) { \
cirrusBltSrcAddrShadow = srcAddr; \
outw (0x3CE, (((srcAddr) & 0x000000FF) << 8) | 0x2C); \
outw (0x3CE, (((srcAddr) & 0x0000FF00)) | 0x2D); \
outw (0x3CE, (((srcAddr) & 0x003F0000) >> 8) | 0x2E); \
}
#define SETDESTADDR(dstAddr) \
outw (0x3CE, (((dstAddr) & 0x000000FF) << 8) | 0x28); \
outw (0x3CE, (((dstAddr) & 0x0000FF00)) | 0x29); \
outw (0x3CE, (((dstAddr) & 0x003F0000) >> 8) | 0x2A);
/* Pitch: the 5426 goes up to 4095, the 5434 can do 8191. */
#define SETDESTPITCH(dstPitch) \
if ((dstPitch) != cirrusBltDestPitchShadow) { \
cirrusBltDestPitchShadow = dstPitch; \
outw (0x3CE, (((dstPitch) & 0x000000FF) << 8) | 0x24); \
outw (0x3CE, (((dstPitch) & 0x00001F00)) | 0x25); \
}
#define SETSRCPITCH(srcPitch) \
if ((srcPitch) != cirrusBltSrcPitchShadow) { \
cirrusBltSrcPitchShadow = srcPitch; \
outw (0x3CE, (((srcPitch) & 0x000000FF) << 8) | 0x26); \
outw (0x3CE, (((srcPitch) & 0x00001F00)) | 0x27); \
}
/* Width: the 5426 goes up to 2048, the 5434 can do 8192. */
#define SETWIDTH(fillWidth) \
outw (0x3CE, ((((fillWidth) - 1) & 0x000000FF) << 8) | 0x20); \
outw (0x3CE, ((((fillWidth) - 1) & 0x00001F00)) | 0x21);
/* Height: the 5426 goes up to 1024, the 5434 can do 2048. */
/* It appears many 5434's only go up to 2048. */
/* The height is preserved by a blit only on the 543x. */
#define SETHEIGHT543X(fillHeight) \
if ((fillHeight) != cirrusBltHeightShadow) { \
cirrusBltHeightShadow = fillHeight; \
outw (0x3CE, ((((fillHeight) - 1) & 0x000000FF) << 8) | 0x22); \
outw (0x3CE, (((fillHeight) - 1) & 0x00000700) | 0x23); \
}
#define SETHEIGHT(fillHeight) \
outw (0x3CE, ((((fillHeight) - 1) & 0x000000FF) << 8) | 0x22); \
outw (0x3CE, (((fillHeight) - 1) & 0x00000700) | 0x23);
#define SETBLTMODE(m) \
if ((m) != cirrusBltModeShadow) { \
cirrusBltModeShadow = m; \
outw(0x3CE, ((m) << 8) | 0x30); \
}
#define SETBLTWRITEMASK(m) outw(0x3ce, ((m) << 8) | 0x2f);
#define SETTRANSPARENCYCOLOR(c) outw(0x3ce, ((c) << 8) | 0x34);
#define SETTRANSPARENCYCOLOR16(c) \
outw(0x3ce, ((c) << 8) | 0x34); \
outw(0x3ce, (c & 0xff00) | 0x35);
#define SETTRANSPARENCYCOLORMASK16(m) \
outw(0x3ce, ((m) << 8) | 0x38); \
outw(0x3ce, ((m) & 0xff00) | 0x39);
#define SETROP(rop) \
if ((rop) != cirrusBltRopShadow) { \
cirrusBltRopShadow = rop; \
outw (0x3CE, ((rop) << 8) | 0x32); \
}
/* 32-bit colors are specific to the BitBLT engine, so define macros here. */
#define SETFOREGROUNDCOLOR32(c) \
if (c != cirrusForegroundColorShadow) { \
cirrusForegroundColorShadow = c; \
outw(0x3ce, 0x01 + ((c) << 8)); \
outw(0x3ce, 0x11 + ((c) & 0xff00)); \
outw(0x3ce, 0x13 + (((c) & 0xff0000) >> 8)); \
outw(0x3ce, 0x15 + (((unsigned int)(c) & 0xff000000) >> 16)); \
}
#define SETBACKGROUNDCOLOR32(c) \
if (c != cirrusBackgroundColorShadow) { \
cirrusBackgroundColorShadow = c; \
outw(0x3ce, 0x00 + ((c) << 8)); \
outw(0x3ce, 0x10 + ((c) & 0xff00)); \
outw(0x3ce, 0x12 + (((c) & 0xff0000) >> 8)); \
outw(0x3ce, 0x14 + (((unsigned int)(c) & 0xff000000) >> 16)); \
}
#define STARTBLT() { \
unsigned char tmp; \
outb(0x3ce, 0x31); \
tmp = inb(0x3cf); \
outb(0x3cf, tmp | 0x02); \
}
#define BLTBUSY(s) { \
outb(0x3ce, 0x31); \
s = inb(0x3cf) & 1; \
}
#define BLTRESET() { \
unsigned char tmp; \
outb(0x3ce, 0x31); \
tmp = inb(0x3cf); \
outb(0x3cf, tmp | 0x04); \
outb(0x3cf, tmp); \
}
#define WAITUNTILFINISHED() CirrusBLTWaitUntilFinished()
|
