| 1 | #ifndef __VBE_H␊ |
| 2 | #define __VBE_H␊ |
| 3 | ␊ |
| 4 | #include "types.h" // u8␊ |
| 5 | ␊ |
| 6 | #define VESA_SIGNATURE 0x41534556 // VESA␊ |
| 7 | #define VBE2_SIGNATURE 0x32454256 // VBE2␊ |
| 8 | ␊ |
| 9 | struct vbe_info {␊ |
| 10 | u32 signature;␊ |
| 11 | u16 version;␊ |
| 12 | struct segoff_s oem_string;␊ |
| 13 | u32 capabilities;␊ |
| 14 | struct segoff_s video_mode;␊ |
| 15 | u16 total_memory;␊ |
| 16 | u16 oem_revision;␊ |
| 17 | struct segoff_s oem_vendor_string;␊ |
| 18 | struct segoff_s oem_product_string;␊ |
| 19 | struct segoff_s oem_revision_string;␊ |
| 20 | u8 reserved[222];␊ |
| 21 | } PACKED;␊ |
| 22 | ␊ |
| 23 | struct vbe_mode_info {␊ |
| 24 | /* VBE */␊ |
| 25 | u16 mode_attributes;␊ |
| 26 | u8 winA_attributes;␊ |
| 27 | u8 winB_attributes;␊ |
| 28 | u16 win_granularity;␊ |
| 29 | u16 win_size;␊ |
| 30 | u16 winA_seg;␊ |
| 31 | u16 winB_seg;␊ |
| 32 | struct segoff_s win_func_ptr;␊ |
| 33 | u16 bytes_per_scanline;␊ |
| 34 | /* VBE 1.2 */␊ |
| 35 | u16 xres;␊ |
| 36 | u16 yres;␊ |
| 37 | u8 xcharsize;␊ |
| 38 | u8 ycharsize;␊ |
| 39 | u8 planes;␊ |
| 40 | u8 bits_per_pixel;␊ |
| 41 | u8 banks;␊ |
| 42 | u8 mem_model;␊ |
| 43 | u8 bank_size;␊ |
| 44 | u8 pages;␊ |
| 45 | u8 reserved0;␊ |
| 46 | /* Direct Color */␊ |
| 47 | u8 red_size;␊ |
| 48 | u8 red_pos;␊ |
| 49 | u8 green_size;␊ |
| 50 | u8 green_pos;␊ |
| 51 | u8 blue_size;␊ |
| 52 | u8 blue_pos;␊ |
| 53 | u8 alpha_size;␊ |
| 54 | u8 alpha_pos;␊ |
| 55 | u8 directcolor_info;␊ |
| 56 | /* VBE 2.0 */␊ |
| 57 | u32 phys_base;␊ |
| 58 | u32 reserved1;␊ |
| 59 | u16 reserved2;␊ |
| 60 | /* VBE 3.0 */␊ |
| 61 | u16 linear_bytes_per_scanline;␊ |
| 62 | u8 bank_pages;␊ |
| 63 | u8 linear_pages;␊ |
| 64 | u8 linear_red_size;␊ |
| 65 | u8 linear_red_pos;␊ |
| 66 | u8 linear_green_size;␊ |
| 67 | u8 linear_green_pos;␊ |
| 68 | u8 linear_blue_size;␊ |
| 69 | u8 linear_blue_pos;␊ |
| 70 | u8 linear_alpha_size;␊ |
| 71 | u8 linear_alpha_pos;␊ |
| 72 | u32 pixclock_max;␊ |
| 73 | u8 reserved[190];␊ |
| 74 | } PACKED;␊ |
| 75 | ␊ |
| 76 | struct vbe_crtc_info {␊ |
| 77 | u16 horiz_total;␊ |
| 78 | u16 horiz_sync_start;␊ |
| 79 | u16 horiz_sync_end;␊ |
| 80 | u16 vert_total;␊ |
| 81 | u16 vert_sync_start;␊ |
| 82 | u16 vert_sync_end;␊ |
| 83 | u8 flags;␊ |
| 84 | u32 pixclock;␊ |
| 85 | u16 refresh_rate;␊ |
| 86 | u8 reserved[40];␊ |
| 87 | } PACKED;␊ |
| 88 | ␊ |
| 89 | /* VBE Return Status Info */␊ |
| 90 | /* AL */␊ |
| 91 | #define VBE_RETURN_STATUS_SUPPORTED 0x4F␊ |
| 92 | #define VBE_RETURN_STATUS_UNSUPPORTED 0x00␊ |
| 93 | /* AH */␊ |
| 94 | #define VBE_RETURN_STATUS_SUCCESSFULL 0x00␊ |
| 95 | #define VBE_RETURN_STATUS_FAILED 0x01␊ |
| 96 | #define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02␊ |
| 97 | #define VBE_RETURN_STATUS_INVALID 0x03␊ |
| 98 | ␊ |
| 99 | /* VBE Mode Numbers */␊ |
| 100 | ␊ |
| 101 | #define VBE_MODE_VESA_DEFINED 0x0100␊ |
| 102 | #define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800␊ |
| 103 | #define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000␊ |
| 104 | #define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000␊ |
| 105 | ␊ |
| 106 | #define VBE_VESA_MODE_END_OF_LIST 0xFFFF␊ |
| 107 | ␊ |
| 108 | /* Capabilities */␊ |
| 109 | ␊ |
| 110 | #define VBE_CAPABILITY_8BIT_DAC 0x0001␊ |
| 111 | #define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002␊ |
| 112 | #define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004␊ |
| 113 | #define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008␊ |
| 114 | #define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010␊ |
| 115 | ␊ |
| 116 | /* Mode Attributes */␊ |
| 117 | ␊ |
| 118 | #define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001␊ |
| 119 | #define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002␊ |
| 120 | #define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004␊ |
| 121 | #define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008␊ |
| 122 | #define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010␊ |
| 123 | #define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020␊ |
| 124 | #define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040␊ |
| 125 | #define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080␊ |
| 126 | #define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100␊ |
| 127 | #define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200␊ |
| 128 | #define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400␊ |
| 129 | #define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800␊ |
| 130 | #define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000␊ |
| 131 | ␊ |
| 132 | #define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )␊ |
| 133 | ␊ |
| 134 | /* Window attributes */␊ |
| 135 | ␊ |
| 136 | #define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01␊ |
| 137 | #define VBE_WINDOW_ATTRIBUTE_READABLE 0x02␊ |
| 138 | #define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04␊ |
| 139 | ␊ |
| 140 | /* Memory model */␊ |
| 141 | ␊ |
| 142 | #define VBE_MEMORYMODEL_TEXT_MODE 0x00␊ |
| 143 | #define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01␊ |
| 144 | #define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02␊ |
| 145 | #define VBE_MEMORYMODEL_PLANAR 0x03␊ |
| 146 | #define VBE_MEMORYMODEL_PACKED_PIXEL 0x04␊ |
| 147 | #define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05␊ |
| 148 | #define VBE_MEMORYMODEL_DIRECT_COLOR 0x06␊ |
| 149 | #define VBE_MEMORYMODEL_YUV 0x07␊ |
| 150 | ␊ |
| 151 | /* DirectColorModeInfo */␊ |
| 152 | ␊ |
| 153 | #define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01␊ |
| 154 | #define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02␊ |
| 155 | ␊ |
| 156 | #endif␊ |
