| /* ----------------------------------------------------------------------- * |
| * |
| * Copyright 1999-2007 H. Peter Anvin - All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, Inc., 53 Temple Place Ste 330, |
| * Boston MA 02111-1307, USA; either version 2 of the License, or |
| * (at your option) any later version; incorporated herein by reference. |
| * |
| * ----------------------------------------------------------------------- */ |
| |
| #ifndef BOOT_VESA_H |
| #define BOOT_VESA_H |
| |
| typedef struct { |
| u16 off, seg; |
| } far_ptr; |
| |
| /* VESA General Information table */ |
| struct vesa_general_info { |
| u32 signature; /* 0 Magic number = "VESA" */ |
| u16 version; /* 4 */ |
| far_ptr vendor_string; /* 6 */ |
| u32 capabilities; /* 10 */ |
| far_ptr video_mode_ptr; /* 14 */ |
| u16 total_memory; /* 18 */ |
| |
| u16 oem_software_rev; /* 20 */ |
| far_ptr oem_vendor_name_ptr; /* 22 */ |
| far_ptr oem_product_name_ptr; /* 26 */ |
| far_ptr oem_product_rev_ptr; /* 30 */ |
| |
| u8 reserved[222]; /* 34 */ |
| u8 oem_data[256]; /* 256 */ |
| } __attribute__ ((packed)); |
| |
| #define VESA_MAGIC ('V' + ('E' << 8) + ('S' << 16) + ('A' << 24)) |
| #define VBE2_MAGIC ('V' + ('B' << 8) + ('E' << 16) + ('2' << 24)) |
| |
| struct vesa_mode_info { |
| u16 mode_attr; /* 0 */ |
| u8 win_attr[2]; /* 2 */ |
| u16 win_grain; /* 4 */ |
| u16 win_size; /* 6 */ |
| u16 win_seg[2]; /* 8 */ |
| far_ptr win_scheme; /* 12 */ |
| u16 logical_scan; /* 16 */ |
| |
| u16 h_res; /* 18 */ |
| u16 v_res; /* 20 */ |
| u8 char_width; /* 22 */ |
| u8 char_height; /* 23 */ |
| u8 memory_planes; /* 24 */ |
| u8 bpp; /* 25 */ |
| u8 banks; /* 26 */ |
| u8 memory_layout; /* 27 */ |
| u8 bank_size; /* 28 */ |
| u8 image_planes; /* 29 */ |
| u8 page_function; /* 30 */ |
| |
| u8 rmask; /* 31 */ |
| u8 rpos; /* 32 */ |
| u8 gmask; /* 33 */ |
| u8 gpos; /* 34 */ |
| u8 bmask; /* 35 */ |
| u8 bpos; /* 36 */ |
| u8 resv_mask; /* 37 */ |
| u8 resv_pos; /* 38 */ |
| u8 dcm_info; /* 39 */ |
| |
| u32 lfb_ptr; /* 40 Linear frame buffer address */ |
| u32 offscreen_ptr; /* 44 Offscreen memory address */ |
| u16 offscreen_size; /* 48 */ |
| |
| u8 reserved[206]; /* 50 */ |
| } __attribute__ ((packed)); |
| |
| #endif /* LIB_SYS_VESA_H */ |