macmodes.h

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/*
 *  linux/drivers/video/macmodes.h -- Standard MacOS video modes
 *
 *  Copyright (C) 1998 Geert Uytterhoeven
 *
 *  This file is subject to the terms and conditions of the GNU General Public
 *  License. See the file COPYING in the main directory of this archive for
 *  more details.
 */

#ifndef _VIDEO_MACMODES_H
#define _VIDEO_MACMODES_H

    /*
     *  Video mode values.
     *  These are supposed to be the same as the values that Apple uses in
     *  MacOS.
     */

#define VMODE_NVRAM     0
#define VMODE_512_384_60I   1   /* 512x384, 60Hz interlaced (NTSC) */
#define VMODE_512_384_60    2   /* 512x384, 60Hz */
#define VMODE_640_480_50I   3   /* 640x480, 50Hz interlaced (PAL) */
#define VMODE_640_480_60I   4   /* 640x480, 60Hz interlaced (NTSC) */
#define VMODE_640_480_60    5   /* 640x480, 60Hz (VGA) */
#define VMODE_640_480_67    6   /* 640x480, 67Hz */
#define VMODE_640_870_75P   7   /* 640x870, 75Hz (portrait) */
#define VMODE_768_576_50I   8   /* 768x576, 50Hz (PAL full frame) */
#define VMODE_800_600_56    9   /* 800x600, 56Hz */
#define VMODE_800_600_60    10  /* 800x600, 60Hz */
#define VMODE_800_600_72    11  /* 800x600, 72Hz */
#define VMODE_800_600_75    12  /* 800x600, 75Hz */
#define VMODE_832_624_75    13  /* 832x624, 75Hz */
#define VMODE_1024_768_60   14  /* 1024x768, 60Hz */
#define VMODE_1024_768_70   15  /* 1024x768, 70Hz (or 72Hz?) */
#define VMODE_1024_768_75V  16  /* 1024x768, 75Hz (VESA) */
#define VMODE_1024_768_75   17  /* 1024x768, 75Hz */
#define VMODE_1152_870_75   18  /* 1152x870, 75Hz */
#define VMODE_1280_960_75   19  /* 1280x960, 75Hz */
#define VMODE_1280_1024_75  20  /* 1280x1024, 75Hz */
#define VMODE_1152_768_60   21  /* 1152x768, 60Hz     Titanium PowerBook */
#define VMODE_1600_1024_60  22  /* 1600x1024, 60Hz 22" Cinema Display */
#define VMODE_MAX       22
#define VMODE_CHOOSE        99

#define CMODE_NVRAM     -1
#define CMODE_CHOOSE        -2
#define CMODE_8         0   /* 8 bits/pixel */
#define CMODE_16        1   /* 16 (actually 15) bits/pixel */
#define CMODE_32        2   /* 32 (actually 24) bits/pixel */


extern int mac_vmode_to_var(int vmode, int cmode,
                struct fb_var_screeninfo *var);
extern int mac_var_to_vmode(const struct fb_var_screeninfo *var, int *vmode,
                int *cmode);
extern int mac_map_monitor_sense(int sense);
extern int mac_find_mode(struct fb_var_screeninfo *var,
             struct fb_info *info,
             const char *mode_option,
             unsigned int default_bpp);


    /*
     *  Addresses in NVRAM where video mode and pixel size are stored.
     */

#define NV_VMODE        0x140f
#define NV_CMODE        0x1410

#endif /* _VIDEO_MACMODES_H */