blob: 76850b75b3f6892392b7e5e5480712225405d74f (
plain)
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
|
#ifndef _SCREEN_INFO_H
#define _SCREEN_INFO_H
#include <linux/types.h>
/*
* These are set up by the setup-routine at boot-time:
*/
struct screen_info {
u8 orig_x; /* 0x00 */
u8 orig_y; /* 0x01 */
u16 dontuse1; /* 0x02 -- EXT_MEM_K sits here */
u16 orig_video_page; /* 0x04 */
u8 orig_video_mode; /* 0x06 */
u8 orig_video_cols; /* 0x07 */
u16 unused2; /* 0x08 */
u16 orig_video_ega_bx; /* 0x0a */
u16 unused3; /* 0x0c */
u8 orig_video_lines; /* 0x0e */
u8 orig_video_isVGA; /* 0x0f */
u16 orig_video_points; /* 0x10 */
/* VESA graphic mode -- linear frame buffer */
u16 lfb_width; /* 0x12 */
u16 lfb_height; /* 0x14 */
u16 lfb_depth; /* 0x16 */
u32 lfb_base; /* 0x18 */
u32 lfb_size; /* 0x1c */
u16 dontuse2, dontuse3; /* 0x20 -- CL_MAGIC and CL_OFFSET here */
u16 lfb_linelength; /* 0x24 */
u8 red_size; /* 0x26 */
u8 red_pos; /* 0x27 */
u8 green_size; /* 0x28 */
u8 green_pos; /* 0x29 */
u8 blue_size; /* 0x2a */
u8 blue_pos; /* 0x2b */
u8 rsvd_size; /* 0x2c */
u8 rsvd_pos; /* 0x2d */
u16 vesapm_seg; /* 0x2e */
u16 vesapm_off; /* 0x30 */
u16 pages; /* 0x32 */
u16 vesa_attributes; /* 0x34 */
u32 capabilities; /* 0x36 */
/* 0x3a -- 0x3f reserved for future expansion */
};
extern struct screen_info screen_info;
#define ORIG_X (screen_info.orig_x)
#define ORIG_Y (screen_info.orig_y)
#define ORIG_VIDEO_MODE (screen_info.orig_video_mode)
#define ORIG_VIDEO_COLS (screen_info.orig_video_cols)
#define ORIG_VIDEO_EGA_BX (screen_info.orig_video_ega_bx)
#define ORIG_VIDEO_LINES (screen_info.orig_video_lines)
#define ORIG_VIDEO_ISVGA (screen_info.orig_video_isVGA)
#define ORIG_VIDEO_POINTS (screen_info.orig_video_points)
#define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */
#define VIDEO_TYPE_CGA 0x11 /* CGA Display */
#define VIDEO_TYPE_EGAM 0x20 /* EGA/VGA in Monochrome Mode */
#define VIDEO_TYPE_EGAC 0x21 /* EGA in Color Mode */
#define VIDEO_TYPE_VGAC 0x22 /* VGA+ in Color Mode */
#define VIDEO_TYPE_VLFB 0x23 /* VESA VGA in graphic mode */
#define VIDEO_TYPE_PICA_S3 0x30 /* ACER PICA-61 local S3 video */
#define VIDEO_TYPE_MIPS_G364 0x31 /* MIPS Magnum 4000 G364 video */
#define VIDEO_TYPE_SGI 0x33 /* Various SGI graphics hardware */
#define VIDEO_TYPE_TGAC 0x40 /* DEC TGA */
#define VIDEO_TYPE_SUN 0x50 /* Sun frame buffer. */
#define VIDEO_TYPE_SUNPCI 0x51 /* Sun PCI based frame buffer. */
#define VIDEO_TYPE_PMAC 0x60 /* PowerMacintosh frame buffer. */
#endif /* _SCREEN_INFO_H */
|
