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1.1 root 1: #ifndef vbe_h_included
2: #define vbe_h_included
3:
4: #include "vgabios.h"
5:
6: // DISPI helper function
7: void dispi_set_enable(enable);
8:
9: /** VBE int10 API
10: *
11: * See the function descriptions in vbe.c for more information
12: */
13: Boolean vbe_has_vbe_display();
14: void vbe_biosfn_return_controller_information(AX, ES, DI);
15: void vbe_biosfn_return_mode_information(AX, CX, ES, DI);
16: void vbe_biosfn_set_mode(AX, BX, ES, DI);
17: void vbe_biosfn_save_restore_state(AX, CX, DX, ES, BX);
18: void vbe_biosfn_set_get_palette_data(AX);
19: void vbe_biosfn_return_protected_mode_interface(AX);
20:
21: // The official VBE Information Block
22: typedef 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
46: typedef 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:
100: typedef 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: typedef struct ModeInfoListItem
155: {
156: Bit16u mode;
157: ModeInfoBlockCompact info;
158: } ModeInfoListItem;
159:
160: // VBE Return Status Info
161: // AL
162: #define VBE_RETURN_STATUS_SUPPORTED 0x4F
163: #define VBE_RETURN_STATUS_UNSUPPORTED 0x00
164: // AH
165: #define VBE_RETURN_STATUS_SUCCESSFULL 0x00
166: #define VBE_RETURN_STATUS_FAILED 0x01
167: #define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02
168: #define VBE_RETURN_STATUS_INVALID 0x03
169:
170: // VBE Mode Numbers
171:
172: #define VBE_MODE_VESA_DEFINED 0x0100
173: #define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
174: #define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
175: #define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
176:
177: // VBE GFX Mode Number
178:
179: #define VBE_VESA_MODE_640X400X8 0x100
180: #define VBE_VESA_MODE_640X480X8 0x101
181: #define VBE_VESA_MODE_800X600X4 0x102
182: #define VBE_VESA_MODE_800X600X8 0x103
183: #define VBE_VESA_MODE_1024X768X4 0x104
184: #define VBE_VESA_MODE_1024X768X8 0x105
185: #define VBE_VESA_MODE_1280X1024X4 0x106
186: #define VBE_VESA_MODE_1280X1024X8 0x107
187: #define VBE_VESA_MODE_320X200X1555 0x10D
188: #define VBE_VESA_MODE_320X200X565 0x10E
189: #define VBE_VESA_MODE_320X200X888 0x10F
190: #define VBE_VESA_MODE_640X480X1555 0x110
191: #define VBE_VESA_MODE_640X480X565 0x111
192: #define VBE_VESA_MODE_640X480X888 0x112
193: #define VBE_VESA_MODE_800X600X1555 0x113
194: #define VBE_VESA_MODE_800X600X565 0x114
195: #define VBE_VESA_MODE_800X600X888 0x115
196: #define VBE_VESA_MODE_1024X768X1555 0x116
197: #define VBE_VESA_MODE_1024X768X565 0x117
198: #define VBE_VESA_MODE_1024X768X888 0x118
199: #define VBE_VESA_MODE_1280X1024X1555 0x119
200: #define VBE_VESA_MODE_1280X1024X565 0x11A
201: #define VBE_VESA_MODE_1280X1024X888 0x11B
202: #define VBE_VESA_MODE_1600X1200X8 0x11C
203: #define VBE_VESA_MODE_1600X1200X1555 0x11D
204: #define VBE_VESA_MODE_1600X1200X565 0x11E
205: #define VBE_VESA_MODE_1600X1200X888 0x11F
206:
207: // BOCHS/PLEX86 'own' mode numbers
208: #define VBE_OWN_MODE_320X200X8888 0x140
209: #define VBE_OWN_MODE_640X400X8888 0x141
210: #define VBE_OWN_MODE_640X480X8888 0x142
211: #define VBE_OWN_MODE_800X600X8888 0x143
212: #define VBE_OWN_MODE_1024X768X8888 0x144
213: #define VBE_OWN_MODE_1280X1024X8888 0x145
214: #define VBE_OWN_MODE_320X200X8 0x146
215: #define VBE_OWN_MODE_1600X1200X8888 0x147
216: #define VBE_OWN_MODE_1152X864X8 0x148
217: #define VBE_OWN_MODE_1152X864X1555 0x149
218: #define VBE_OWN_MODE_1152X864X565 0x14a
219: #define VBE_OWN_MODE_1152X864X888 0x14b
220: #define VBE_OWN_MODE_1152X864X8888 0x14c
221:
222: #define VBE_VESA_MODE_END_OF_LIST 0xFFFF
223:
224: // Capabilities
225:
226: #define VBE_CAPABILITY_8BIT_DAC 0x0001
227: #define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
228: #define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
229: #define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
230: #define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
231:
232: // Mode Attributes
233:
234: #define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
235: #define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
236: #define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
237: #define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
238: #define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
239: #define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
240: #define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
241: #define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
242: #define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
243: #define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
244: #define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
245: #define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
246: #define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
247:
248: #define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
249:
250: // Window attributes
251:
252: #define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
253: #define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
254: #define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
255:
256: // Memory model
257:
258: #define VBE_MEMORYMODEL_TEXT_MODE 0x00
259: #define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
260: #define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
261: #define VBE_MEMORYMODEL_PLANAR 0x03
262: #define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
263: #define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
264: #define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
265: #define VBE_MEMORYMODEL_YUV 0x07
266:
267: // DirectColorModeInfo
268:
269: #define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
270: #define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02
271:
272: // GUEST <-> HOST Communication API
273:
274: // FIXME: either dynamicly ask host for this or put somewhere high in physical memory
275: // like 0xE0000000
276:
277:
278: #define VBE_DISPI_BANK_ADDRESS 0xA0000
279: #define VBE_DISPI_BANK_SIZE_KB 64
280:
281: #define VBE_DISPI_MAX_XRES 1024
282: #define VBE_DISPI_MAX_YRES 768
283:
284: #define VBE_DISPI_IOPORT_INDEX 0x01CE
285: #define VBE_DISPI_IOPORT_DATA 0x01CF
286:
287: #define VBE_DISPI_INDEX_ID 0x0
288: #define VBE_DISPI_INDEX_XRES 0x1
289: #define VBE_DISPI_INDEX_YRES 0x2
290: #define VBE_DISPI_INDEX_BPP 0x3
291: #define VBE_DISPI_INDEX_ENABLE 0x4
292: #define VBE_DISPI_INDEX_BANK 0x5
293: #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
294: #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
295: #define VBE_DISPI_INDEX_X_OFFSET 0x8
296: #define VBE_DISPI_INDEX_Y_OFFSET 0x9
297:
298: #define VBE_DISPI_ID0 0xB0C0
299: #define VBE_DISPI_ID1 0xB0C1
300: #define VBE_DISPI_ID2 0xB0C2
301: #define VBE_DISPI_ID3 0xB0C3
302: #define VBE_DISPI_ID4 0xB0C4
303:
304: #define VBE_DISPI_DISABLED 0x00
305: #define VBE_DISPI_ENABLED 0x01
306: #define VBE_DISPI_GETCAPS 0x02
307: #define VBE_DISPI_8BIT_DAC 0x20
308: #define VBE_DISPI_LFB_ENABLED 0x40
309: #define VBE_DISPI_NOCLEARMEM 0x80
310:
311: #define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
312:
313: #endif
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