| Brian Gerst | 7e7f358 | 2006-01-08 01:04:54 -0800 | [diff] [blame] | 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 dontuse1; /* 0x02 -- EXT_MEM_K sits here */ |
| 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 dontuse2, dontuse3; /* 0x20 -- CL_MAGIC and CL_OFFSET here */ |
| 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 */ |
| Antonino A. Daplas | 89ec4c2 | 2006-04-10 22:55:48 -0700 | [diff] [blame] | 44 | u32 capabilities; /* 0x36 */ |
| Eric W. Biederman | 968de4f | 2006-12-07 02:14:04 +0100 | [diff] [blame] | 45 | /* 0x3a -- 0x3b reserved for future expansion */ |
| 46 | /* 0x3c -- 0x3f micro stack for relocatable kernels */ |
| Brian Gerst | 7e7f358 | 2006-01-08 01:04:54 -0800 | [diff] [blame] | 47 | }; |
| 48 | |
| 49 | extern struct screen_info screen_info; |
| 50 | |
| 51 | #define ORIG_X (screen_info.orig_x) |
| 52 | #define ORIG_Y (screen_info.orig_y) |
| 53 | #define ORIG_VIDEO_MODE (screen_info.orig_video_mode) |
| 54 | #define ORIG_VIDEO_COLS (screen_info.orig_video_cols) |
| 55 | #define ORIG_VIDEO_EGA_BX (screen_info.orig_video_ega_bx) |
| 56 | #define ORIG_VIDEO_LINES (screen_info.orig_video_lines) |
| 57 | #define ORIG_VIDEO_ISVGA (screen_info.orig_video_isVGA) |
| 58 | #define ORIG_VIDEO_POINTS (screen_info.orig_video_points) |
| 59 | |
| 60 | #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */ |
| 61 | #define VIDEO_TYPE_CGA 0x11 /* CGA Display */ |
| 62 | #define VIDEO_TYPE_EGAM 0x20 /* EGA/VGA in Monochrome Mode */ |
| 63 | #define VIDEO_TYPE_EGAC 0x21 /* EGA in Color Mode */ |
| 64 | #define VIDEO_TYPE_VGAC 0x22 /* VGA+ in Color Mode */ |
| 65 | #define VIDEO_TYPE_VLFB 0x23 /* VESA VGA in graphic mode */ |
| 66 | |
| 67 | #define VIDEO_TYPE_PICA_S3 0x30 /* ACER PICA-61 local S3 video */ |
| 68 | #define VIDEO_TYPE_MIPS_G364 0x31 /* MIPS Magnum 4000 G364 video */ |
| 69 | #define VIDEO_TYPE_SGI 0x33 /* Various SGI graphics hardware */ |
| 70 | |
| 71 | #define VIDEO_TYPE_TGAC 0x40 /* DEC TGA */ |
| 72 | |
| 73 | #define VIDEO_TYPE_SUN 0x50 /* Sun frame buffer. */ |
| 74 | #define VIDEO_TYPE_SUNPCI 0x51 /* Sun PCI based frame buffer. */ |
| 75 | |
| 76 | #define VIDEO_TYPE_PMAC 0x60 /* PowerMacintosh frame buffer. */ |
| 77 | |
| 78 | #endif /* _SCREEN_INFO_H */ |