#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 -- 0x3b reserved for future expansion */ /* 0x3c -- 0x3f micro stack for relocatable kernels */ }; 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 */