blob: 899fbb487c94e5cb2385ff90ab86f0b8985aa435 [file] [log] [blame]
Brian Gerst7e7f3582006-01-08 01:04:54 -08001#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
10struct screen_info {
Rusty Russellee8e7cf2007-10-22 10:56:19 +100011 __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 */
Matthew Garrettd9b26352009-11-13 14:57:00 -050017 __u8 flags; /* 0x08 */
18 __u8 unused2; /* 0x09 */
Rusty Russellee8e7cf2007-10-22 10:56:19 +100019 __u16 orig_video_ega_bx;/* 0x0a */
20 __u16 unused3; /* 0x0c */
21 __u8 orig_video_lines; /* 0x0e */
22 __u8 orig_video_isVGA; /* 0x0f */
23 __u16 orig_video_points;/* 0x10 */
Brian Gerst7e7f3582006-01-08 01:04:54 -080024
25 /* VESA graphic mode -- linear frame buffer */
Rusty Russellee8e7cf2007-10-22 10:56:19 +100026 __u16 lfb_width; /* 0x12 */
27 __u16 lfb_height; /* 0x14 */
28 __u16 lfb_depth; /* 0x16 */
29 __u32 lfb_base; /* 0x18 */
30 __u32 lfb_size; /* 0x1c */
31 __u16 cl_magic, cl_offset; /* 0x20 */
32 __u16 lfb_linelength; /* 0x24 */
33 __u8 red_size; /* 0x26 */
34 __u8 red_pos; /* 0x27 */
35 __u8 green_size; /* 0x28 */
36 __u8 green_pos; /* 0x29 */
37 __u8 blue_size; /* 0x2a */
38 __u8 blue_pos; /* 0x2b */
39 __u8 rsvd_size; /* 0x2c */
40 __u8 rsvd_pos; /* 0x2d */
41 __u16 vesapm_seg; /* 0x2e */
42 __u16 vesapm_off; /* 0x30 */
43 __u16 pages; /* 0x32 */
44 __u16 vesa_attributes; /* 0x34 */
45 __u32 capabilities; /* 0x36 */
46 __u8 _reserved[6]; /* 0x3a */
H. Peter Anvine087db52007-07-11 12:18:31 -070047} __attribute__((packed));
Brian Gerst7e7f3582006-01-08 01:04:54 -080048
Brian Gerst7e7f3582006-01-08 01:04:54 -080049#define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */
50#define VIDEO_TYPE_CGA 0x11 /* CGA Display */
51#define VIDEO_TYPE_EGAM 0x20 /* EGA/VGA in Monochrome Mode */
52#define VIDEO_TYPE_EGAC 0x21 /* EGA in Color Mode */
53#define VIDEO_TYPE_VGAC 0x22 /* VGA+ in Color Mode */
54#define VIDEO_TYPE_VLFB 0x23 /* VESA VGA in graphic mode */
55
56#define VIDEO_TYPE_PICA_S3 0x30 /* ACER PICA-61 local S3 video */
57#define VIDEO_TYPE_MIPS_G364 0x31 /* MIPS Magnum 4000 G364 video */
58#define VIDEO_TYPE_SGI 0x33 /* Various SGI graphics hardware */
59
60#define VIDEO_TYPE_TGAC 0x40 /* DEC TGA */
61
62#define VIDEO_TYPE_SUN 0x50 /* Sun frame buffer. */
63#define VIDEO_TYPE_SUNPCI 0x51 /* Sun PCI based frame buffer. */
64
65#define VIDEO_TYPE_PMAC 0x60 /* PowerMacintosh frame buffer. */
66
Huang, Ying7c831722007-11-28 16:21:55 -080067#define VIDEO_TYPE_EFI 0x70 /* EFI graphic mode */
68
Matthew Garrettd9b26352009-11-13 14:57:00 -050069#define VIDEO_FLAGS_NOCURSOR (1 << 0) /* The video mode has no cursor set */
70
Rusty Russellee8e7cf2007-10-22 10:56:19 +100071#ifdef __KERNEL__
72extern struct screen_info screen_info;
73
74#define ORIG_X (screen_info.orig_x)
75#define ORIG_Y (screen_info.orig_y)
76#define ORIG_VIDEO_MODE (screen_info.orig_video_mode)
77#define ORIG_VIDEO_COLS (screen_info.orig_video_cols)
78#define ORIG_VIDEO_EGA_BX (screen_info.orig_video_ega_bx)
79#define ORIG_VIDEO_LINES (screen_info.orig_video_lines)
80#define ORIG_VIDEO_ISVGA (screen_info.orig_video_isVGA)
81#define ORIG_VIDEO_POINTS (screen_info.orig_video_points)
82#endif /* __KERNEL__ */
83
Brian Gerst7e7f3582006-01-08 01:04:54 -080084#endif /* _SCREEN_INFO_H */