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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 132 | giacomo | 1 | /* |
| 2 | Copyright (C) 1996 by Josh Vanderhoof |
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| 3 | |||
| 4 | You are free to distribute and modify this file, as long as you |
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| 5 | do not remove this copyright notice and clearly label modified |
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| 6 | versions as being modified. |
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| 7 | |||
| 8 | This software has NO WARRANTY. Use it at your own risk. |
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| 9 | */ |
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| 10 | |||
| 11 | #ifndef _VBE_H |
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| 12 | #define _VBE_H |
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| 13 | |||
| 14 | /* structures for vbe 2.0 */ |
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| 15 | |||
| 16 | struct vbe_info_block |
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| 17 | { |
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| 18 | char vbe_signature[4]; |
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| 19 | short vbe_version; |
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| 20 | unsigned short oem_string_off; |
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| 21 | unsigned short oem_string_seg; |
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| 22 | int capabilities; |
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| 23 | unsigned short video_mode_list_off; |
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| 24 | unsigned short video_mode_list_seg; |
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| 25 | short total_memory; |
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| 26 | short oem_software_rev; |
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| 27 | unsigned short oem_vendor_name_off; |
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| 28 | unsigned short oem_vendor_name_seg; |
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| 29 | unsigned short oem_product_name_off; |
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| 30 | unsigned short oem_product_name_seg; |
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| 31 | unsigned short oem_product_rev_off; |
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| 32 | unsigned short oem_product_rev_seg; |
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| 33 | char reserved[222]; |
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| 34 | char oem_data[256]; |
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| 35 | } __attribute__ ((packed)); |
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| 36 | |||
| 37 | #define VBE_ATTR_MODE_SUPPORTED (1 << 0) |
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| 38 | #define VBE_ATTR_TTY (1 << 2) |
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| 39 | #define VBE_ATTR_COLOR (1 << 3) |
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| 40 | #define VBE_ATTR_GRAPHICS (1 << 4) |
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| 41 | #define VBE_ATTR_NOT_VGA (1 << 5) |
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| 42 | #define VBE_ATTR_NOT_WINDOWED (1 << 6) |
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| 43 | #define VBE_ATTR_LINEAR (1 << 7) |
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| 44 | |||
| 45 | #define VBE_WIN_RELOCATABLE (1 << 0) |
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| 46 | #define VBE_WIN_READABLE (1 << 1) |
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| 47 | #define VBE_WIN_WRITEABLE (1 << 2) |
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| 48 | |||
| 49 | #define VBE_MODEL_TEXT 0 |
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| 50 | #define VBE_MODEL_CGA 1 |
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| 51 | #define VBE_MODEL_HERCULES 2 |
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| 52 | #define VBE_MODEL_PLANAR 3 |
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| 53 | #define VBE_MODEL_PACKED 4 |
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| 54 | #define VBE_MODEL_256 5 |
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| 55 | #define VBE_MODEL_RGB 6 |
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| 56 | #define VBE_MODEL_YUV 7 |
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| 57 | |||
| 58 | struct vbe_mode_info_block |
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| 59 | { |
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| 60 | unsigned short mode_attributes; |
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| 61 | uint8_t win_a_attributes; |
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| 62 | uint8_t win_b_attributes; |
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| 63 | unsigned short win_granularity; |
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| 64 | unsigned short win_size; |
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| 65 | unsigned short win_a_segment; |
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| 66 | unsigned short win_b_segment; |
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| 67 | unsigned short win_func_ptr_off; |
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| 68 | unsigned short win_func_ptr_seg; |
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| 69 | unsigned short bytes_per_scanline; |
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| 70 | unsigned short x_resolution; |
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| 71 | unsigned short y_resolution; |
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| 72 | uint8_t x_char_size; |
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| 73 | uint8_t y_char_size; |
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| 74 | uint8_t number_of_planes; |
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| 75 | uint8_t bits_per_pixel; |
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| 76 | uint8_t number_of_banks; |
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| 77 | uint8_t memory_model; |
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| 78 | uint8_t bank_size; |
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| 79 | uint8_t number_of_image_pages; |
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| 80 | uint8_t res1; |
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| 81 | uint8_t red_mask_size; |
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| 82 | uint8_t red_field_position; |
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| 83 | uint8_t green_mask_size; |
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| 84 | uint8_t green_field_position; |
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| 85 | uint8_t blue_mask_size; |
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| 86 | uint8_t blue_field_position; |
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| 87 | uint8_t rsvd_mask_size; |
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| 88 | uint8_t rsvd_field_position; |
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| 89 | uint8_t direct_color_mode_info; |
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| 90 | unsigned int phys_base_ptr; |
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| 91 | unsigned int offscreen_mem_offset; |
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| 92 | unsigned short offscreen_mem_size; |
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| 93 | uint8_t res2[206]; |
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| 94 | } __attribute__ ((packed)); |
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| 95 | |||
| 96 | struct vbe_palette_entry |
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| 97 | { |
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| 98 | uint8_t blue; |
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| 99 | uint8_t green; |
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| 100 | uint8_t red; |
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| 101 | uint8_t align; |
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| 102 | } __attribute__ ((packed)); |
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| 103 | |||
| 104 | #endif |