libs/lrmi-0.10/vbe.h

   1 /*
   2 This file is in the public domain.
   3 */
   4
   5 #ifndef _VBE_H
   6 #define _VBE_H
   7
   8 /* structures for vbe 2.0 */
   9
  10 struct vbe_info_block {
  11         char vbe_signature[4];
  12         short vbe_version;
  13         unsigned short oem_string_off;
  14         unsigned short oem_string_seg;
  15         int capabilities;
  16         unsigned short video_mode_list_off;
  17         unsigned short video_mode_list_seg;
  18         short total_memory;
  19         short oem_software_rev;
  20         unsigned short oem_vendor_name_off;
  21         unsigned short oem_vendor_name_seg;
  22         unsigned short oem_product_name_off;
  23         unsigned short oem_product_name_seg;
  24         unsigned short oem_product_rev_off;
  25         unsigned short oem_product_rev_seg;
  26         char reserved[222];
  27         char oem_data[256];
  28 } __attribute__ ((packed));
  29
  30 #define VBE_ATTR_MODE_SUPPORTED         (1 << 0)
  31 #define VBE_ATTR_TTY    (1 << 2)
  32 #define VBE_ATTR_COLOR  (1 << 3)
  33 #define VBE_ATTR_GRAPHICS       (1 << 4)
  34 #define VBE_ATTR_NOT_VGA        (1 << 5)
  35 #define VBE_ATTR_NOT_WINDOWED   (1 << 6)
  36 #define VBE_ATTR_LINEAR         (1 << 7)
  37
  38 #define VBE_WIN_RELOCATABLE     (1 << 0)
  39 #define VBE_WIN_READABLE        (1 << 1)
  40 #define VBE_WIN_WRITEABLE       (1 << 2)
  41
  42 #define VBE_MODEL_TEXT  0
  43 #define VBE_MODEL_CGA   1
  44 #define VBE_MODEL_HERCULES      2
  45 #define VBE_MODEL_PLANAR        3
  46 #define VBE_MODEL_PACKED        4
  47 #define VBE_MODEL_256   5
  48 #define VBE_MODEL_RGB   6
  49 #define VBE_MODEL_YUV   7
  50
  51 struct vbe_mode_info_block {
  52         unsigned short mode_attributes;
  53         unsigned char win_a_attributes;
  54         unsigned char win_b_attributes;
  55         unsigned short win_granularity;
  56         unsigned short win_size;
  57         unsigned short win_a_segment;
  58         unsigned short win_b_segment;
  59         unsigned short win_func_ptr_off;
  60         unsigned short win_func_ptr_seg;
  61         unsigned short bytes_per_scanline;
  62         unsigned short x_resolution;
  63         unsigned short y_resolution;
  64         unsigned char x_char_size;
  65         unsigned char y_char_size;
  66         unsigned char number_of_planes;
  67         unsigned char bits_per_pixel;
  68         unsigned char number_of_banks;
  69         unsigned char memory_model;
  70         unsigned char bank_size;
  71         unsigned char number_of_image_pages;
  72         unsigned char res1;
  73         unsigned char red_mask_size;
  74         unsigned char red_field_position;
  75         unsigned char green_mask_size;
  76         unsigned char green_field_position;
  77         unsigned char blue_mask_size;
  78         unsigned char blue_field_position;
  79         unsigned char rsvd_mask_size;
  80         unsigned char rsvd_field_position;
  81         unsigned char direct_color_mode_info;
  82         unsigned int phys_base_ptr;
  83         unsigned int offscreen_mem_offset;
  84         unsigned short offscreen_mem_size;
  85         unsigned char res2[206];
  86 } __attribute__ ((packed));
  87
  88 struct vbe_palette_entry {
  89         unsigned char blue;
  90         unsigned char green;
  91         unsigned char red;
  92         unsigned char align;
  93 } __attribute__ ((packed));
  94
  95 #endif