Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6.git] / include / linux / screen_info.h
1 #ifndef _SCREEN_INFO_H
2 #define _SCREEN_INFO_H
3
4 #include <linux/types.h>
5
6 /*
7  * These are set up by the setup-routine at boot-time:
8  */
9
10 struct screen_info {
11         __u8  orig_x;           /* 0x00 */
12         __u8  orig_y;           /* 0x01 */
13         __u16 ext_mem_k;        /* 0x02 */
14         __u16 orig_video_page;  /* 0x04 */
15         __u8  orig_video_mode;  /* 0x06 */
16         __u8  orig_video_cols;  /* 0x07 */
17         __u16 unused2;          /* 0x08 */
18         __u16 orig_video_ega_bx;/* 0x0a */
19         __u16 unused3;          /* 0x0c */
20         __u8  orig_video_lines; /* 0x0e */
21         __u8  orig_video_isVGA; /* 0x0f */
22         __u16 orig_video_points;/* 0x10 */
23
24         /* VESA graphic mode -- linear frame buffer */
25         __u16 lfb_width;        /* 0x12 */
26         __u16 lfb_height;       /* 0x14 */
27         __u16 lfb_depth;        /* 0x16 */
28         __u32 lfb_base;         /* 0x18 */
29         __u32 lfb_size;         /* 0x1c */
30         __u16 cl_magic, cl_offset; /* 0x20 */
31         __u16 lfb_linelength;   /* 0x24 */
32         __u8  red_size;         /* 0x26 */
33         __u8  red_pos;          /* 0x27 */
34         __u8  green_size;       /* 0x28 */
35         __u8  green_pos;        /* 0x29 */
36         __u8  blue_size;        /* 0x2a */
37         __u8  blue_pos;         /* 0x2b */
38         __u8  rsvd_size;        /* 0x2c */
39         __u8  rsvd_pos;         /* 0x2d */
40         __u16 vesapm_seg;       /* 0x2e */
41         __u16 vesapm_off;       /* 0x30 */
42         __u16 pages;            /* 0x32 */
43         __u16 vesa_attributes;  /* 0x34 */
44         __u32 capabilities;     /* 0x36 */
45         __u8  _reserved[6];     /* 0x3a */
46 } __attribute__((packed));
47
48 #define VIDEO_TYPE_MDA          0x10    /* Monochrome Text Display      */
49 #define VIDEO_TYPE_CGA          0x11    /* CGA Display                  */
50 #define VIDEO_TYPE_EGAM         0x20    /* EGA/VGA in Monochrome Mode   */
51 #define VIDEO_TYPE_EGAC         0x21    /* EGA in Color Mode            */
52 #define VIDEO_TYPE_VGAC         0x22    /* VGA+ in Color Mode           */
53 #define VIDEO_TYPE_VLFB         0x23    /* VESA VGA in graphic mode     */
54
55 #define VIDEO_TYPE_PICA_S3      0x30    /* ACER PICA-61 local S3 video  */
56 #define VIDEO_TYPE_MIPS_G364    0x31    /* MIPS Magnum 4000 G364 video  */
57 #define VIDEO_TYPE_SGI          0x33    /* Various SGI graphics hardware */
58
59 #define VIDEO_TYPE_TGAC         0x40    /* DEC TGA */
60
61 #define VIDEO_TYPE_SUN          0x50    /* Sun frame buffer. */
62 #define VIDEO_TYPE_SUNPCI       0x51    /* Sun PCI based frame buffer. */
63
64 #define VIDEO_TYPE_PMAC         0x60    /* PowerMacintosh frame buffer. */
65
66 #define VIDEO_TYPE_EFI          0x70    /* EFI graphic mode             */
67
68 #ifdef __KERNEL__
69 extern struct screen_info screen_info;
70
71 #define ORIG_X                  (screen_info.orig_x)
72 #define ORIG_Y                  (screen_info.orig_y)
73 #define ORIG_VIDEO_MODE         (screen_info.orig_video_mode)
74 #define ORIG_VIDEO_COLS         (screen_info.orig_video_cols)
75 #define ORIG_VIDEO_EGA_BX       (screen_info.orig_video_ega_bx)
76 #define ORIG_VIDEO_LINES        (screen_info.orig_video_lines)
77 #define ORIG_VIDEO_ISVGA        (screen_info.orig_video_isVGA)
78 #define ORIG_VIDEO_POINTS       (screen_info.orig_video_points)
79 #endif /* __KERNEL__ */
80
81 #endif /* _SCREEN_INFO_H */