| Graeme Russ | 1bab104 | 2010-04-24 00:05:49 +1000 | [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 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 */ |