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