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Julian Pidancet69e941c2011-12-19 05:07:59 +00001#ifndef __VBE_H
2#define __VBE_H
3
4#include "types.h" // u8
Julian Pidancet69e941c2011-12-19 05:07:59 +00005
6#define VESA_SIGNATURE 0x41534556 // VESA
7#define VBE2_SIGNATURE 0x32454256 // VBE2
8
9struct vbe_info {
10 u32 signature;
11 u16 version;
12 struct segoff_s oem_string;
Kevin O'Connordb301ef2011-12-30 16:37:20 -050013 u32 capabilities;
Julian Pidancet69e941c2011-12-19 05:07:59 +000014 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
23struct 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;
Kevin O'Connordb301ef2011-12-30 16:37:20 -050032 struct segoff_s win_func_ptr;
Julian Pidancet69e941c2011-12-19 05:07:59 +000033 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;
Kevin O'Connordb301ef2011-12-30 16:37:20 -050073 u8 reserved[190];
Julian Pidancet69e941c2011-12-19 05:07:59 +000074} PACKED;
75
76struct 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