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review.coreboot.org / seabios / db301ef20c03657631790393ac36ec191dbf24e2 / . / src / vbe.h
blob: 386613c752534062054aab725d63c2d1f08d01b1 [file] [log] [blame]
Julian Pidancet69e941c2011-12-19 05:07:59 +0000[diff] [blame]1#ifndef __VBE_H
2#define __VBE_H
3
4#include "types.h" // u8
5#include "farptr.h" // struct segoff_s
6
7#define VESA_SIGNATURE 0x41534556 // VESA
8#define VBE2_SIGNATURE 0x32454256 // VBE2
9
10struct vbe_info {
11 u32 signature;
12 u16 version;
13 struct segoff_s oem_string;
Kevin O'Connordb301ef2011-12-30 16:37:20 -0500[diff] [blame^]14 u32 capabilities;
Julian Pidancet69e941c2011-12-19 05:07:59 +0000[diff] [blame]15 struct segoff_s video_mode;
16 u16 total_memory;
17 u16 oem_revision;
18 struct segoff_s oem_vendor_string;
19 struct segoff_s oem_product_string;
20 struct segoff_s oem_revision_string;
21 u8 reserved[222];
22} PACKED;
23
24struct vbe_mode_info {
25 /* VBE */
26 u16 mode_attributes;
27 u8 winA_attributes;
28 u8 winB_attributes;
29 u16 win_granularity;
30 u16 win_size;
31 u16 winA_seg;
32 u16 winB_seg;
Kevin O'Connordb301ef2011-12-30 16:37:20 -0500[diff] [blame^]33 struct segoff_s win_func_ptr;
Julian Pidancet69e941c2011-12-19 05:07:59 +0000[diff] [blame]34 u16 bytes_per_scanline;
35 /* VBE 1.2 */
36 u16 xres;
37 u16 yres;
38 u8 xcharsize;
39 u8 ycharsize;
40 u8 planes;
41 u8 bits_per_pixel;
42 u8 banks;
43 u8 mem_model;
44 u8 bank_size;
45 u8 pages;
46 u8 reserved0;
47 /* Direct Color */
48 u8 red_size;
49 u8 red_pos;
50 u8 green_size;
51 u8 green_pos;
52 u8 blue_size;
53 u8 blue_pos;
54 u8 alpha_size;
55 u8 alpha_pos;
56 u8 directcolor_info;
57 /* VBE 2.0 */
58 u32 phys_base;
59 u32 reserved1;
60 u16 reserved2;
61 /* VBE 3.0 */
62 u16 linear_bytes_per_scanline;
63 u8 bank_pages;
64 u8 linear_pages;
65 u8 linear_red_size;
66 u8 linear_red_pos;
67 u8 linear_green_size;
68 u8 linear_green_pos;
69 u8 linear_blue_size;
70 u8 linear_blue_pos;
71 u8 linear_alpha_size;
72 u8 linear_alpha_pos;
73 u32 pixclock_max;
Kevin O'Connordb301ef2011-12-30 16:37:20 -0500[diff] [blame^]74 u8 reserved[190];
Julian Pidancet69e941c2011-12-19 05:07:59 +0000[diff] [blame]75} PACKED;
76
77struct vbe_crtc_info {
78 u16 horiz_total;
79 u16 horiz_sync_start;
80 u16 horiz_sync_end;
81 u16 vert_total;
82 u16 vert_sync_start;
83 u16 vert_sync_end;
84 u8 flags;
85 u32 pixclock;
86 u16 refresh_rate;
87 u8 reserved[40];
88} PACKED;
89
90/* VBE Return Status Info */
91/* AL */
92#define VBE_RETURN_STATUS_SUPPORTED 0x4F
93#define VBE_RETURN_STATUS_UNSUPPORTED 0x00
94/* AH */
95#define VBE_RETURN_STATUS_SUCCESSFULL 0x00
96#define VBE_RETURN_STATUS_FAILED 0x01
97#define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02
98#define VBE_RETURN_STATUS_INVALID 0x03
99
100/* VBE Mode Numbers */
101
102#define VBE_MODE_VESA_DEFINED 0x0100
103#define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
104#define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
105#define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
106
107#define VBE_VESA_MODE_END_OF_LIST 0xFFFF
108
109/* Capabilities */
110
111#define VBE_CAPABILITY_8BIT_DAC 0x0001
112#define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
113#define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
114#define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
115#define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
116
117/* Mode Attributes */
118
119#define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
120#define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
121#define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
122#define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
123#define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
124#define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
125#define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
126#define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
127#define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
128#define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
129#define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
130#define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
131#define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
132
133#define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
134
135/* Window attributes */
136
137#define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
138#define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
139#define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
140
141/* Memory model */
142
143#define VBE_MEMORYMODEL_TEXT_MODE 0x00
144#define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
145#define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
146#define VBE_MEMORYMODEL_PLANAR 0x03
147#define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
148#define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
149#define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
150#define VBE_MEMORYMODEL_YUV 0x07
151
152/* DirectColorModeInfo */
153
154#define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
155#define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02
156
157#endif