VirtualBox

source: vbox/trunk/src/VBox/Devices/Graphics/BIOS/vbe.h@ 1

Last change on this file since 1 was 1, checked in by vboxsync, 55 years ago

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1#ifndef vbe_h_included
2#define vbe_h_included
3
4#include "vgabios.h"
5
6// DISPI helper function
7void dispi_set_enable(enable);
8
9/** VBE int10 API
10 *
11 * See the function descriptions in vbe.c for more information
12 */
13Boolean vbe_has_vbe_display();
14void vbe_biosfn_return_controller_information(AX, ES, DI);
15void vbe_biosfn_return_mode_information(AX, CX, ES, DI);
16void vbe_biosfn_set_mode(AX, BX, ES, DI);
17void vbe_biosfn_save_restore_state(AX, DL, CX, ES, BX);
18void vbe_biosfn_set_get_palette_data(AX);
19void vbe_biosfn_return_protected_mode_interface(AX);
20
21// The official VBE Information Block
22typedef struct VbeInfoBlock
23{
24 Bit8u VbeSignature[4];
25 Bit16u VbeVersion;
26 Bit16u OemStringPtr_Off;
27 Bit16u OemStringPtr_Seg;
28 Bit8u Capabilities[4];
29 Bit16u VideoModePtr_Off;
30 Bit16u VideoModePtr_Seg;
31 Bit16u TotalMemory;
32 Bit16u OemSoftwareRev;
33 Bit16u OemVendorNamePtr_Off;
34 Bit16u OemVendorNamePtr_Seg;
35 Bit16u OemProductNamePtr_Off;
36 Bit16u OemProductNamePtr_Seg;
37 Bit16u OemProductRevPtr_Off;
38 Bit16u OemProductRevPtr_Seg;
39 Bit16u Reserved[111]; // used for dynamicly generated mode list
40 Bit8u OemData[256];
41} VbeInfoBlock;
42
43
44// This one is for compactly storing a static list of mode info blocks
45// this saves us 189 bytes per block
46typedef struct ModeInfoBlockCompact
47{
48// Mandatory information for all VBE revisions
49 Bit16u ModeAttributes;
50 Bit8u WinAAttributes;
51 Bit8u WinBAttributes;
52 Bit16u WinGranularity;
53 Bit16u WinSize;
54 Bit16u WinASegment;
55 Bit16u WinBSegment;
56 Bit32u WinFuncPtr;
57 Bit16u BytesPerScanLine;
58// Mandatory information for VBE 1.2 and above
59 Bit16u XResolution;
60 Bit16u YResolution;
61 Bit8u XCharSize;
62 Bit8u YCharSize;
63 Bit8u NumberOfPlanes;
64 Bit8u BitsPerPixel;
65 Bit8u NumberOfBanks;
66 Bit8u MemoryModel;
67 Bit8u BankSize;
68 Bit8u NumberOfImagePages;
69 Bit8u Reserved_page;
70// Direct Color fields (required for direct/6 and YUV/7 memory models)
71 Bit8u RedMaskSize;
72 Bit8u RedFieldPosition;
73 Bit8u GreenMaskSize;
74 Bit8u GreenFieldPosition;
75 Bit8u BlueMaskSize;
76 Bit8u BlueFieldPosition;
77 Bit8u RsvdMaskSize;
78 Bit8u RsvdFieldPosition;
79 Bit8u DirectColorModeInfo;
80// Mandatory information for VBE 2.0 and above
81 Bit32u PhysBasePtr;
82 Bit32u OffScreenMemOffset;
83 Bit16u OffScreenMemSize;
84// Mandatory information for VBE 3.0 and above
85 Bit16u LinBytesPerScanLine;
86 Bit8u BnkNumberOfPages;
87 Bit8u LinNumberOfPages;
88 Bit8u LinRedMaskSize;
89 Bit8u LinRedFieldPosition;
90 Bit8u LinGreenMaskSize;
91 Bit8u LinGreenFieldPosition;
92 Bit8u LinBlueMaskSize;
93 Bit8u LinBlueFieldPosition;
94 Bit8u LinRsvdMaskSize;
95 Bit8u LinRsvdFieldPosition;
96 Bit32u MaxPixelClock;
97// Bit8u Reserved[189]; // DO NOT PUT THIS IN HERE because of Compact Mode Info storage in bios
98} ModeInfoBlockCompact;
99
100typedef struct ModeInfoBlock
101{
102// Mandatory information for all VBE revisions
103 Bit16u ModeAttributes;
104 Bit8u WinAAttributes;
105 Bit8u WinBAttributes;
106 Bit16u WinGranularity;
107 Bit16u WinSize;
108 Bit16u WinASegment;
109 Bit16u WinBSegment;
110 Bit32u WinFuncPtr;
111 Bit16u BytesPerScanLine;
112// Mandatory information for VBE 1.2 and above
113 Bit16u XResolution;
114 Bit16u YResolution;
115 Bit8u XCharSize;
116 Bit8u YCharSize;
117 Bit8u NumberOfPlanes;
118 Bit8u BitsPerPixel;
119 Bit8u NumberOfBanks;
120 Bit8u MemoryModel;
121 Bit8u BankSize;
122 Bit8u NumberOfImagePages;
123 Bit8u Reserved_page;
124// Direct Color fields (required for direct/6 and YUV/7 memory models)
125 Bit8u RedMaskSize;
126 Bit8u RedFieldPosition;
127 Bit8u GreenMaskSize;
128 Bit8u GreenFieldPosition;
129 Bit8u BlueMaskSize;
130 Bit8u BlueFieldPosition;
131 Bit8u RsvdMaskSize;
132 Bit8u RsvdFieldPosition;
133 Bit8u DirectColorModeInfo;
134// Mandatory information for VBE 2.0 and above
135 Bit32u PhysBasePtr;
136 Bit32u OffScreenMemOffset;
137 Bit16u OffScreenMemSize;
138// Mandatory information for VBE 3.0 and above
139 Bit16u LinBytesPerScanLine;
140 Bit8u BnkNumberOfPages;
141 Bit8u LinNumberOfPages;
142 Bit8u LinRedMaskSize;
143 Bit8u LinRedFieldPosition;
144 Bit8u LinGreenMaskSize;
145 Bit8u LinGreenFieldPosition;
146 Bit8u LinBlueMaskSize;
147 Bit8u LinBlueFieldPosition;
148 Bit8u LinRsvdMaskSize;
149 Bit8u LinRsvdFieldPosition;
150 Bit32u MaxPixelClock;
151 Bit8u Reserved[189];
152} ModeInfoBlock;
153
154// VBE Return Status Info
155// AL
156#define VBE_RETURN_STATUS_SUPPORTED 0x4F
157#define VBE_RETURN_STATUS_UNSUPPORTED 0x00
158// AH
159#define VBE_RETURN_STATUS_SUCCESSFULL 0x00
160#define VBE_RETURN_STATUS_FAILED 0x01
161#define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02
162#define VBE_RETURN_STATUS_INVALID 0x03
163
164// VBE Mode Numbers
165
166#define VBE_MODE_VESA_DEFINED 0x0100
167#define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
168#define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
169#define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
170
171// VBE GFX Mode Number
172
173#define VBE_VESA_MODE_640X400X8 0x100
174#define VBE_VESA_MODE_640X480X8 0x101
175#define VBE_VESA_MODE_800X600X4 0x102
176#define VBE_VESA_MODE_800X600X8 0x103
177#define VBE_VESA_MODE_1024X768X4 0x104
178#define VBE_VESA_MODE_1024X768X8 0x105
179#define VBE_VESA_MODE_1280X1024X4 0x106
180#define VBE_VESA_MODE_1280X1024X8 0x107
181#define VBE_VESA_MODE_320X200X1555 0x10D
182#define VBE_VESA_MODE_320X200X565 0x10E
183#define VBE_VESA_MODE_320X200X888 0x10F
184#define VBE_VESA_MODE_640X480X1555 0x110
185#define VBE_VESA_MODE_640X480X565 0x111
186#define VBE_VESA_MODE_640X480X888 0x112
187#define VBE_VESA_MODE_800X600X1555 0x113
188#define VBE_VESA_MODE_800X600X565 0x114
189#define VBE_VESA_MODE_800X600X888 0x115
190#define VBE_VESA_MODE_1024X768X1555 0x116
191#define VBE_VESA_MODE_1024X768X565 0x117
192#define VBE_VESA_MODE_1024X768X888 0x118
193#define VBE_VESA_MODE_1280X1024X1555 0x119
194#define VBE_VESA_MODE_1280X1024X565 0x11A
195#define VBE_VESA_MODE_1280X1024X888 0x11B
196
197// BOCHS/PLEX86 'own' mode numbers
198#define VBE_OWN_MODE_320X200X8888 0x140
199#define VBE_OWN_MODE_640X400X8888 0x141
200#define VBE_OWN_MODE_640X480X8888 0x142
201#define VBE_OWN_MODE_800X600X8888 0x143
202#define VBE_OWN_MODE_1024X768X8888 0x144
203#define VBE_OWN_MODE_1280X1024X8888 0x145
204#define VBE_OWN_MODE_320X200X8 0x146
205
206#define VBE_VESA_MODE_END_OF_LIST 0xFFFF
207
208// Capabilities
209
210#define VBE_CAPABILITY_8BIT_DAC 0x0001
211#define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
212#define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
213#define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
214#define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
215
216// Mode Attributes
217
218#define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
219#define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
220#define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
221#define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
222#define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
223#define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
224#define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
225#define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
226#define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
227#define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
228#define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
229#define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
230#define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
231
232#define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
233
234// Window attributes
235
236#define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
237#define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
238#define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
239
240// Memory model
241
242#define VBE_MEMORYMODEL_TEXT_MODE 0x00
243#define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
244#define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
245#define VBE_MEMORYMODEL_PLANAR 0x03
246#define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
247#define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
248#define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
249#define VBE_MEMORYMODEL_YUV 0x07
250
251// DirectColorModeInfo
252
253#define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
254#define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02
255
256// GUEST <-> HOST Communication API
257
258// FIXME: either dynamicly ask host for this or put somewhere high in physical memory
259// like 0xE0000000
260
261
262 #define VBE_DISPI_BANK_ADDRESS 0xA0000
263 #define VBE_DISPI_BANK_SIZE_KB 64
264
265 #define VBE_DISPI_MAX_XRES 1024
266 #define VBE_DISPI_MAX_YRES 768
267
268 #define VBE_DISPI_IOPORT_INDEX 0x01CE
269 #define VBE_DISPI_IOPORT_DATA 0x01CF
270
271 #define VBE_DISPI_INDEX_ID 0x0
272 #define VBE_DISPI_INDEX_XRES 0x1
273 #define VBE_DISPI_INDEX_YRES 0x2
274 #define VBE_DISPI_INDEX_BPP 0x3
275 #define VBE_DISPI_INDEX_ENABLE 0x4
276 #define VBE_DISPI_INDEX_BANK 0x5
277 #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
278 #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
279 #define VBE_DISPI_INDEX_X_OFFSET 0x8
280 #define VBE_DISPI_INDEX_Y_OFFSET 0x9
281
282 #define VBE_DISPI_ID0 0xB0C0
283 #define VBE_DISPI_ID1 0xB0C1
284 #define VBE_DISPI_ID2 0xB0C2
285 #define VBE_DISPI_ID3 0xB0C3
286
287 #define VBE_DISPI_DISABLED 0x00
288 #define VBE_DISPI_ENABLED 0x01
289 #define VBE_DISPI_GETCAPS 0x02
290 #define VBE_DISPI_8BIT_DAC 0x20
291 #define VBE_DISPI_LFB_ENABLED 0x40
292 #define VBE_DISPI_NOCLEARMEM 0x80
293
294 #define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
295
296 /**
297 * VBE Bios Extra Data structure.
298 * @remark duplicated in vga_int.h.
299 */
300 typedef struct VBEHeader
301 {
302 /** Signature (VBEHEADER_MAGIC). */
303 Bit16u u16Signature;
304 /** Data size. */
305 Bit16u cbData;
306 } VBEHeader;
307
308 /** The value of the VBEHEADER::u16Signature field.
309 * @remark duplicated in vga_int.h. */
310 #define VBEHEADER_MAGIC 0x77CC
311
312 /** The extra port which is used to read the mode list.
313 * @remark duplicated in vga_int.h. */
314 #define VBE_EXTRA_PORT 0x3b6
315
316 /** The extra port which is used for debug printf.
317 * @remark duplicated in vga_int.h. */
318 #define VBE_PRINTF_PORT 0x3b7
319
320
321#endif
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