Root/
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 | __u8 flags; /* 0x08 */ |
18 | __u8 unused2; /* 0x09 */ |
19 | __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 */ |
24 | |
25 | /* VESA graphic mode -- linear frame buffer */ |
26 | __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 */ |
47 | } __attribute__((packed)); |
48 | |
49 | #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 | |
67 | #define VIDEO_TYPE_EFI 0x70 /* EFI graphic mode */ |
68 | |
69 | #define VIDEO_FLAGS_NOCURSOR (1 << 0) /* The video mode has no cursor set */ |
70 | |
71 | #ifdef __KERNEL__ |
72 | extern 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 | |
84 | #endif /* _SCREEN_INFO_H */ |
85 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
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v3.9