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| author | Brian Gerst <bgerst@didntduck.org> | 2006-01-08 12:04:54 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 07:14:05 +0300 |
| commit | 7e7f358c8f8f836c504faa293fda0c1c0733b63c (patch) | |
| tree | b06ef1742fe9e5533f754b46cb0e0e56ee619b0a /include/linux/screen_info.h | |
| parent | 389cd6ec086e9b5421fe479d14d20a1faf74848d (diff) | |
| download | linux-7e7f358c8f8f836c504faa293fda0c1c0733b63c.tar.xz | |
[PATCH] Split out screen_info from tty.h
This makes it possible for boot code to use screen_info without dragging in
all of tty.h.
Signed-off-by: Brian Gerst <bgerst@didntduck.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/screen_info.h')
| -rw-r--r-- | include/linux/screen_info.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h new file mode 100644 index 000000000000..76850b75b3f6 --- /dev/null +++ b/include/linux/screen_info.h @@ -0,0 +1,77 @@ +#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 */ |