4
#include "types.h" // u8
6
#define VESA_SIGNATURE 0x41534556 // VESA
7
#define VBE2_SIGNATURE 0x32454256 // VBE2
12
struct segoff_s oem_string;
14
struct segoff_s video_mode;
17
struct segoff_s oem_vendor_string;
18
struct segoff_s oem_product_string;
19
struct segoff_s oem_revision_string;
23
struct vbe_mode_info {
32
struct segoff_s win_func_ptr;
33
u16 bytes_per_scanline;
61
u16 linear_bytes_per_scanline;
76
struct vbe_crtc_info {
89
/* VBE Return Status Info */
91
#define VBE_RETURN_STATUS_SUPPORTED 0x4F
92
#define VBE_RETURN_STATUS_UNSUPPORTED 0x00
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
99
/* VBE Mode Numbers */
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
106
#define VBE_VESA_MODE_END_OF_LIST 0xFFFF
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
116
/* Mode Attributes */
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
132
#define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
134
/* Window attributes */
136
#define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
137
#define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
138
#define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
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
151
/* DirectColorModeInfo */
153
#define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
154
#define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02