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