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1/*
2 * linux/drivers/video/macmodes.h -- Standard MacOS video modes
3 *
4 * Copyright (C) 1998 Geert Uytterhoeven
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file COPYING in the main directory of this archive for
8 * more details.
9 */
10
11#ifndef _VIDEO_MACMODES_H
12#define _VIDEO_MACMODES_H
13
14 /*
15 * Video mode values.
16 * These are supposed to be the same as the values that Apple uses in
17 * MacOS.
18 */
19
20#define VMODE_NVRAM 0
21#define VMODE_512_384_60I 1 /* 512x384, 60Hz interlaced (NTSC) */
22#define VMODE_512_384_60 2 /* 512x384, 60Hz */
23#define VMODE_640_480_50I 3 /* 640x480, 50Hz interlaced (PAL) */
24#define VMODE_640_480_60I 4 /* 640x480, 60Hz interlaced (NTSC) */
25#define VMODE_640_480_60 5 /* 640x480, 60Hz (VGA) */
26#define VMODE_640_480_67 6 /* 640x480, 67Hz */
27#define VMODE_640_870_75P 7 /* 640x870, 75Hz (portrait) */
28#define VMODE_768_576_50I 8 /* 768x576, 50Hz (PAL full frame) */
29#define VMODE_800_600_56 9 /* 800x600, 56Hz */
30#define VMODE_800_600_60 10 /* 800x600, 60Hz */
31#define VMODE_800_600_72 11 /* 800x600, 72Hz */
32#define VMODE_800_600_75 12 /* 800x600, 75Hz */
33#define VMODE_832_624_75 13 /* 832x624, 75Hz */
34#define VMODE_1024_768_60 14 /* 1024x768, 60Hz */
35#define VMODE_1024_768_70 15 /* 1024x768, 70Hz (or 72Hz?) */
36#define VMODE_1024_768_75V 16 /* 1024x768, 75Hz (VESA) */
37#define VMODE_1024_768_75 17 /* 1024x768, 75Hz */
38#define VMODE_1152_870_75 18 /* 1152x870, 75Hz */
39#define VMODE_1280_960_75 19 /* 1280x960, 75Hz */
40#define VMODE_1280_1024_75 20 /* 1280x1024, 75Hz */
41#define VMODE_1152_768_60 21 /* 1152x768, 60Hz Titanium PowerBook */
42#define VMODE_1600_1024_60 22 /* 1600x1024, 60Hz 22" Cinema Display */
43#define VMODE_MAX 22
44#define VMODE_CHOOSE 99
45
46#define CMODE_NVRAM -1
47#define CMODE_CHOOSE -2
48#define CMODE_8 0 /* 8 bits/pixel */
49#define CMODE_16 1 /* 16 (actually 15) bits/pixel */
50#define CMODE_32 2 /* 32 (actually 24) bits/pixel */
51
52
53extern int mac_vmode_to_var(int vmode, int cmode,
54 struct fb_var_screeninfo *var);
55extern int mac_var_to_vmode(const struct fb_var_screeninfo *var, int *vmode,
56 int *cmode);
57extern int mac_map_monitor_sense(int sense);
58extern int mac_find_mode(struct fb_var_screeninfo *var,
59 struct fb_info *info,
60 const char *mode_option,
61 unsigned int default_bpp);
62
63
64 /*
65 * Addresses in NVRAM where video mode and pixel size are stored.
66 */
67
68#define NV_VMODE 0x140f
69#define NV_CMODE 0x1410
70
71#endif /* _VIDEO_MACMODES_H */