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1 /** @file
2
3 Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
4
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions
7 of the BSD License which accompanies this distribution. The
8 full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
10
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14 **/
15
16 #ifndef _VESA_BIOS_EXTENSIONS_H_
17 #define _VESA_BIOS_EXTENSIONS_H_
18
19 //
20 // Turn on byte packing of data structures
21 //
22 #pragma pack(1)
23 //
24 // VESA BIOS Extensions status codes
25 //
26 #define VESA_BIOS_EXTENSIONS_STATUS_SUCCESS 0x004f
27
28 //
29 // VESA BIOS Extensions Services
30 //
31 #define VESA_BIOS_EXTENSIONS_RETURN_CONTROLLER_INFORMATION 0x4f00
32
33 /*++
34
35 Routine Description:
36 Function 00 : Return Controller Information
37
38 Arguments:
39 Inputs:
40 AX = 0x4f00
41 ES:DI = Pointer to buffer to place VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK structure
42 Outputs:
43 AX = Return Status
44
45 --*/
46 #define VESA_BIOS_EXTENSIONS_RETURN_MODE_INFORMATION 0x4f01
47
48 /*++
49
50 Routine Description:
51 Function 01 : Return Mode Information
52
53 Arguments:
54 Inputs:
55 AX = 0x4f01
56 CX = Mode Number
57 ES:DI = Pointer to buffer to place VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK structure
58 Outputs:
59 AX = Return Status
60
61 --*/
62 #define VESA_BIOS_EXTENSIONS_SET_MODE 0x4f02
63
64 /*++
65
66 Routine Description:
67 Function 02 : Set Mode
68
69 Arguments:
70 Inputs:
71 AX = 0x4f02
72 BX = Desired mode to set
73 D0-D8 = Mode Number
74 D9-D10 = Reserved (must be 0)
75 D11 = 0 - Use current default refresh rate
76 = 1 - Use user specfieid CRTC values for refresh rate
77 D12-D13 = Reserved (must be 0)
78 D14 = 0 - Use windowed frame buffer model
79 = 1 - Use linear/flat frame buffer model
80 D15 = 0 - Clear display memory
81 = 1 - Don't clear display memory
82 ES:DI = Pointer to buffer to the VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK structure
83 Outputs:
84 AX = Return Status
85
86 --*/
87 #define VESA_BIOS_EXTENSIONS_RETURN_CURRENT_MODE 0x4f03
88
89 /*++
90
91 Routine Description:
92 Function 03 : Return Current Mode
93
94 Arguments:
95 Inputs:
96 AX = 0x4f03
97 Outputs:
98 AX = Return Status
99 BX = Current mode
100 D0-D13 = Mode Number
101 D14 = 0 - Windowed frame buffer model
102 = 1 - Linear/flat frame buffer model
103 D15 = 0 - Memory cleared at last mode set
104 = 1 - Memory not cleared at last mode set
105
106 --*/
107 #define VESA_BIOS_EXTENSIONS_SAVE_RESTORE_STATE 0x4f04
108
109 /*++
110
111 Routine Description:
112 Function 04 : Save/Restore State
113
114 Arguments:
115 Inputs:
116 AX = 0x4f03
117 DL = 0x00 - Return Save/Restore State buffer size
118 = 0x01 - Save State
119 = 0x02 - Restore State
120 CX = Requested Status
121 D0 = Save/Restore controller hardware state
122 D1 = Save/Restore BIOS data state
123 D2 = Save/Restore DAC state
124 D3 = Save/Restore Regsiter state
125 ES:BX = Pointer to buffer if DL=1 or DL=2
126 Outputs:
127 AX = Return Status
128 BX = Number of 64 byte blocks to hold the state buffer if DL=0
129
130 --*/
131 #define VESA_BIOS_EXTENSIONS_EDID 0x4f15
132
133 /*++
134
135 Routine Description:
136 Function 15 : implement VBE/DDC service
137
138 Arguments:
139 Inputs:
140 AX = 0x4f15
141 BL = 0x00 - Report VBE/DDC Capabilities
142 CX = 0x00 - Controller unit number (00 = primary controller)
143 ES:DI = Null pointer, must be 0:0 in version 1.0
144 Outputs:
145 AX = Return Status
146 BH = Approx. time in seconds, rounded up, to transfer one EDID block(128 bytes)
147 BL = DDC level supported
148 D0 = 0 DDC1 not supported
149 = 1 DDC1 supported
150 D1 = 0 DDC2 not supported
151 = 1 DDC2 supported
152 D2 = 0 Screen not blanked during data transfer
153 = 1 Screen blanked during data transfer
154
155 Inputs:
156 AX = 0x4f15
157 BL = 0x01 - Read EDID
158 CX = 0x00 - Controller unit number (00 = primary controller)
159 DX = 0x00 - EDID block number
160 ES:DI = Pointer to buffer in which the EDID block is returned
161 Outputs:
162 AX = Return Status
163 --*/
164
165 //
166 // Timing data from EDID data block
167 //
168 #define VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE 128
169 #define VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER 17
170
171 typedef struct {
172 UINT16 HorizontalResolution;
173 UINT16 VerticalResolution;
174 UINT16 RefreshRate;
175 } VESA_BIOS_EXTENSIONS_EDID_TIMING;
176
177 typedef struct {
178 UINT32 ValidNumber;
179 UINT32 Key[VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER];
180 } VESA_BIOS_EXTENSIONS_VALID_EDID_TIMING;
181
182 typedef struct {
183 UINT8 Header[8]; //EDID header "00 FF FF FF FF FF FF 00"
184 UINT16 ManufactureName; //EISA 3-character ID
185 UINT16 ProductCode; //Vendor assigned code
186 UINT32 SerialNumber; //32-bit serial number
187 UINT8 WeekOfManufacture; //Week number
188 UINT8 YearOfManufacture; //Year
189 UINT8 EdidVersion; //EDID Structure Version
190 UINT8 EdidRevision; //EDID Structure Revision
191 UINT8 VideoInputDefinition;
192 UINT8 MaxHorizontalImageSize; //cm
193 UINT8 MaxVerticalImageSize; //cm
194 UINT8 DisplayTransferCharacteristic;
195 UINT8 FeatureSupport;
196 UINT8 RedGreenLowBits; //Rx1 Rx0 Ry1 Ry0 Gx1 Gx0 Gy1Gy0
197 UINT8 BlueWhiteLowBits; //Bx1 Bx0 By1 By0 Wx1 Wx0 Wy1 Wy0
198 UINT8 RedX; //Red-x Bits 9 - 2
199 UINT8 RedY; //Red-y Bits 9 - 2
200 UINT8 GreenX; //Green-x Bits 9 - 2
201 UINT8 GreenY; //Green-y Bits 9 - 2
202 UINT8 BlueX; //Blue-x Bits 9 - 2
203 UINT8 BlueY; //Blue-y Bits 9 - 2
204 UINT8 WhiteX; //White-x Bits 9 - 2
205 UINT8 WhiteY; //White-x Bits 9 - 2
206 UINT8 EstablishedTimings[3];
207 UINT8 StandardTimingIdentification[16];
208 UINT8 DetailedTimingDescriptions[72];
209 UINT8 ExtensionFlag; //Number of (optional) 128-byte EDID extension blocks to follow
210 UINT8 Checksum;
211 } VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK;
212
213 //
214 // Super VGA Information Block
215 //
216 typedef struct {
217 UINT32 VESASignature; // 'VESA' 4 byte signature
218 UINT16 VESAVersion; // VBE version number
219 UINT32 OEMStringPtr; // Pointer to OEM string
220 UINT32 Capabilities; // Capabilities of video card
221 UINT32 VideoModePtr; // Pointer to an array of 16-bit supported modes values terminated by 0xFFFF
222 UINT16 TotalMemory; // Number of 64kb memory blocks
223 UINT16 OemSoftwareRev; // VBE implementation Software revision
224 UINT32 OemVendorNamePtr; // VbeFarPtr to Vendor Name String
225 UINT32 OemProductNamePtr; // VbeFarPtr to Product Name String
226 UINT32 OemProductRevPtr; // VbeFarPtr to Product Revision String
227 UINT8 Reserved[222]; // Reserved for VBE implementation scratch area
228 UINT8 OemData[256]; // Data area for OEM strings. Pad to 512 byte block size
229 } VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK;
230
231 //
232 // Super VGA Information Block VESASignature values
233 //
234 #define VESA_BIOS_EXTENSIONS_VESA_SIGNATURE SIGNATURE_32 ('V', 'E', 'S', 'A')
235 #define VESA_BIOS_EXTENSIONS_VBE2_SIGNATURE SIGNATURE_32 ('V', 'B', 'E', '2')
236
237 //
238 // Super VGA Information Block VESAVersion values
239 //
240 #define VESA_BIOS_EXTENSIONS_VERSION_1_2 0x0102
241 #define VESA_BIOS_EXTENSIONS_VERSION_2_0 0x0200
242 #define VESA_BIOS_EXTENSIONS_VERSION_3_0 0x0300
243
244 //
245 // Super VGA Information Block Capabilities field bit defintions
246 //
247 #define VESA_BIOS_EXTENSIONS_CAPABILITY_8_BIT_DAC 0x01 // 0: DAC width is fixed at 6 bits/color
248 // 1: DAC width switchable to 8 bits/color
249 //
250 #define VESA_BIOS_EXTENSIONS_CAPABILITY_NOT_VGA 0x02 // 0: Controller is VGA compatible
251 // 1: Controller is not VGA compatible
252 //
253 #define VESA_BIOS_EXTENSIONS_CAPABILITY_NOT_NORMAL_RAMDAC 0x04 // 0: Normal RAMDAC operation
254 // 1: Use blank bit in function 9 to program RAMDAC
255 //
256 #define VESA_BIOS_EXTENSIONS_CAPABILITY_STEREOSCOPIC 0x08 // 0: No hardware stereoscopic signal support
257 // 1: Hardware stereoscopic signal support
258 //
259 #define VESA_BIOS_EXTENSIONS_CAPABILITY_VESA_EVC 0x10 // 0: Stero signaling supported via external VESA stereo connector
260 // 1: Stero signaling supported via VESA EVC connector
261 //
262 // Super VGA mode number bite field definitions
263 //
264 #define VESA_BIOS_EXTENSIONS_MODE_NUMBER_VESA 0x0100 // 0: Not a VESA defined VBE mode
265 // 1: A VESA defined VBE mode
266 //
267 #define VESA_BIOS_EXTENSIONS_MODE_NUMBER_REFRESH_CONTROL_USER 0x0800 // 0: Use current BIOS default referesh rate
268 // 1: Use the user specified CRTC values for refresh rate
269 //
270 #define VESA_BIOS_EXTENSIONS_MODE_NUMBER_LINEAR_FRAME_BUFFER 0x4000 // 0: Use a banked/windowed frame buffer
271 // 1: Use a linear/flat frame buffer
272 //
273 #define VESA_BIOS_EXTENSIONS_MODE_NUMBER_PRESERVE_MEMORY 0x8000 // 0: Clear display memory
274 // 1: Preseve display memory
275 //
276 // Super VGA Information Block mode list terminator value
277 //
278 #define VESA_BIOS_EXTENSIONS_END_OF_MODE_LIST 0xffff
279
280 //
281 // Window Function
282 //
283 typedef
284 VOID
285 (*VESA_BIOS_EXTENSIONS_WINDOW_FUNCTION) (
286 VOID
287 );
288
289 //
290 // Super VGA Mode Information Block
291 //
292 typedef struct {
293 //
294 // Manadory fields for all VESA Bios Extensions revisions
295 //
296 UINT16 ModeAttributes; // Mode attributes
297 UINT8 WinAAttributes; // Window A attributes
298 UINT8 WinBAttributes; // Window B attributes
299 UINT16 WinGranularity; // Window granularity in k
300 UINT16 WinSize; // Window size in k
301 UINT16 WinASegment; // Window A segment
302 UINT16 WinBSegment; // Window B segment
303 UINT32 WindowFunction; // Pointer to window function
304 UINT16 BytesPerScanLine; // Bytes per scanline
305 //
306 // Manadory fields for VESA Bios Extensions 1.2 and above
307 //
308 UINT16 XResolution; // Horizontal resolution
309 UINT16 YResolution; // Vertical resolution
310 UINT8 XCharSize; // Character cell width
311 UINT8 YCharSize; // Character cell height
312 UINT8 NumberOfPlanes; // Number of memory planes
313 UINT8 BitsPerPixel; // Bits per pixel
314 UINT8 NumberOfBanks; // Number of CGA style banks
315 UINT8 MemoryModel; // Memory model type
316 UINT8 BankSize; // Size of CGA style banks
317 UINT8 NumberOfImagePages; // Number of images pages
318 UINT8 Reserved1; // Reserved
319 UINT8 RedMaskSize; // Size of direct color red mask
320 UINT8 RedFieldPosition; // Bit posn of lsb of red mask
321 UINT8 GreenMaskSize; // Size of direct color green mask
322 UINT8 GreenFieldPosition; // Bit posn of lsb of green mask
323 UINT8 BlueMaskSize; // Size of direct color blue mask
324 UINT8 BlueFieldPosition; // Bit posn of lsb of blue mask
325 UINT8 RsvdMaskSize; // Size of direct color res mask
326 UINT8 RsvdFieldPosition; // Bit posn of lsb of res mask
327 UINT8 DirectColorModeInfo; // Direct color mode attributes
328 //
329 // Manadory fields for VESA Bios Extensions 2.0 and above
330 //
331 UINT32 PhysBasePtr; // Physical Address for flat memory frame buffer
332 UINT32 Reserved2; // Reserved
333 UINT16 Reserved3; // Reserved
334 //
335 // Manadory fields for VESA Bios Extensions 3.0 and above
336 //
337 UINT16 LinBytesPerScanLine; // Bytes/scan line for linear modes
338 UINT8 BnkNumberOfImagePages; // Number of images for banked modes
339 UINT8 LinNumberOfImagePages; // Number of images for linear modes
340 UINT8 LinRedMaskSize; // Size of direct color red mask (linear mode)
341 UINT8 LinRedFieldPosition; // Bit posiiton of lsb of red mask (linear modes)
342 UINT8 LinGreenMaskSize; // Size of direct color green mask (linear mode)
343 UINT8 LinGreenFieldPosition; // Bit posiiton of lsb of green mask (linear modes)
344 UINT8 LinBlueMaskSize; // Size of direct color blue mask (linear mode)
345 UINT8 LinBlueFieldPosition; // Bit posiiton of lsb of blue mask (linear modes)
346 UINT8 LinRsvdMaskSize; // Size of direct color reserved mask (linear mode)
347 UINT8 LinRsvdFieldPosition; // Bit posiiton of lsb of reserved mask (linear modes)
348 UINT32 MaxPixelClock; // Maximum pixel clock (in Hz) for graphics mode
349 UINT8 Pad[190]; // Pad to 256 byte block size
350 } VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK;
351
352 //
353 // Super VGA Mode Information Block ModeAttributes field bit defintions
354 //
355 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_HARDWARE 0x0001 // 0: Mode not supported in handware
356 // 1: Mode supported in handware
357 //
358 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_TTY 0x0004 // 0: TTY Output functions not supported by BIOS
359 // 1: TTY Output functions supported by BIOS
360 //
361 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_COLOR 0x0008 // 0: Monochrome mode
362 // 1: Color mode
363 //
364 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_GRAPHICS 0x0010 // 0: Text mode
365 // 1: Graphics mode
366 //
367 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NOT_VGA 0x0020 // 0: VGA compatible mode
368 // 1: Not a VGA compatible mode
369 //
370 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NOT_WINDOWED 0x0040 // 0: VGA compatible windowed memory mode
371 // 1: Not a VGA compatible windowed memory mode
372 //
373 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER 0x0080 // 0: No linear fram buffer mode available
374 // 1: Linear frame buffer mode available
375 //
376 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_DOUBLE_SCAN 0x0100 // 0: No double scan mode available
377 // 1: Double scan mode available
378 //
379 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_INTERLACED 0x0200 // 0: No interlaced mode is available
380 // 1: Interlaced mode is available
381 //
382 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NO_TRIPPLE_BUFFER 0x0400 // 0: No hardware triple buffer mode support available
383 // 1: Hardware triple buffer mode support available
384 //
385 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_STEREOSCOPIC 0x0800 // 0: No hardware steroscopic display support
386 // 1: Hardware steroscopic display support
387 //
388 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_DUAL_DISPLAY 0x1000 // 0: No dual display start address support
389 // 1: Dual display start address support
390 //
391 // Super VGA Mode Information Block WinAAttribite/WinBAttributes field bit defintions
392 //
393 #define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_RELOCATABLE 0x01 // 0: Single non-relocatable window only
394 // 1: Relocatable window(s) are supported
395 //
396 #define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_READABLE 0x02 // 0: Window is not readable
397 // 1: Window is readable
398 //
399 #define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_WRITABLE 0x04 // 0: Window is not writable
400 // 1: Window is writable
401 //
402 // Super VGA Mode Information Block DirectColorMode field bit defintions
403 //
404 #define VESA_BIOS_EXTENSIONS_DIRECT_COLOR_MODE_PROG_COLOR_RAMP 0x01 // 0: Color ram is fixed
405 // 1: Color ramp is programmable
406 //
407 #define VESA_BIOS_EXTENSIONS_DIRECT_COLOR_MODE_RSVD_USABLE 0x02 // 0: Bits in Rsvd field are reserved
408 // 1: Bits in Rsdv field are usable
409 //
410 // Super VGA Memory Models
411 //
412 typedef enum {
413 MemPL = 3, // Planar memory model
414 MemPK = 4, // Packed pixel memory model
415 MemRGB= 6, // Direct color RGB memory model
416 MemYUV= 7 // Direct color YUV memory model
417 } VESA_BIOS_EXTENSIONS_MEMORY_MODELS;
418
419 //
420 // Super VGA CRTC Information Block
421 //
422 typedef struct {
423 UINT16 HorizontalTotal; // Horizontal total in pixels
424 UINT16 HorizontalSyncStart; // Horizontal sync start in pixels
425 UINT16 HorizontalSyncEnd; // Horizontal sync end in pixels
426 UINT16 VericalTotal; // Vertical total in pixels
427 UINT16 VericalSyncStart; // Vertical sync start in pixels
428 UINT16 VericalSyncEnd; // Vertical sync end in pixels
429 UINT8 Flags; // Flags (Interlaced/DoubleScan/etc).
430 UINT32 PixelClock; // Pixel clock in units of Hz
431 UINT16 RefreshRate; // Refresh rate in units of 0.01 Hz
432 UINT8 Reserved[40]; // Pad
433 } VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK;
434
435 #define VESA_BIOS_EXTENSIONS_CRTC_FLAGS_DOUBLE_SCAN 0x01 // 0: Graphics mode is not souble scanned
436 // 1: Graphics mode is double scanned
437 //
438 #define VESA_BIOS_EXTENSIONS_CRTC_FLAGSINTERLACED 0x02 // 0: Graphics mode is not interlaced
439 // 1: Graphics mode is interlaced
440 //
441 #define VESA_BIOS_EXTENSIONS_CRTC_HORIZONTAL_SYNC_NEGATIVE 0x04 // 0: Horizontal sync polarity is positive(+)
442 // 0: Horizontal sync polarity is negative(-)
443 //
444 #define VESA_BIOS_EXTENSIONS_CRTC_VERITICAL_SYNC_NEGATIVE 0x08 // 0: Verical sync polarity is positive(+)
445 // 0: Verical sync polarity is negative(-)
446 //
447 // Turn off byte packing of data structures
448 //
449 #pragma pack()
450
451 #endif