linux/drivers/video/macmodes.h
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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 */
  72
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