1 /*++ 2 3 Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> 4 This program and the accompanying materials 5 are licensed and made available under the terms and conditions of the BSD License 6 which accompanies this distribution. The full text of the license may be found at 7 http://opensource.org/licenses/bsd-license.php 8 9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 12 Module Name: 13 14 VesaBiosExtensions.h 15 16 Abstract: 17 18 Revision History 19 20 --*/ 21 22 #ifndef _VESA_BIOS_EXTENSIONS_H 23 #define _VESA_BIOS_EXTENSIONS_H 24 25 // 26 // Turn on byte packing of data structures 27 // 28 #pragma pack(1) 29 // 30 // VESA BIOS Extensions status codes 31 // 32 #define VESA_BIOS_EXTENSIONS_STATUS_SUCCESS 0x004f 33 34 // 35 // VESA BIOS Extensions Services 36 // 37 #define VESA_BIOS_EXTENSIONS_RETURN_CONTROLLER_INFORMATION 0x4f00 38 39 /*++ 40 41 Routine Description: 42 Function 00 : Return Controller Information 43 44 Arguments: 45 Inputs: 46 AX = 0x4f00 47 ES:DI = Pointer to buffer to place VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK structure 48 Outputs: 49 AX = Return Status 50 51 --*/ 52 #define VESA_BIOS_EXTENSIONS_RETURN_MODE_INFORMATION 0x4f01 53 54 /*++ 55 56 Routine Description: 57 Function 01 : Return Mode Information 58 59 Arguments: 60 Inputs: 61 AX = 0x4f01 62 CX = Mode Number 63 ES:DI = Pointer to buffer to place VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK structure 64 Outputs: 65 AX = Return Status 66 67 --*/ 68 #define VESA_BIOS_EXTENSIONS_SET_MODE 0x4f02 69 70 /*++ 71 72 Routine Description: 73 Function 02 : Set Mode 74 75 Arguments: 76 Inputs: 77 AX = 0x4f02 78 BX = Desired mode to set 79 D0-D8 = Mode Number 80 D9-D10 = Reserved (must be 0) 81 D11 = 0 - Use current default refresh rate 82 = 1 - Use user specfieid CRTC values for refresh rate 83 D12-D13 = Reserved (must be 0) 84 D14 = 0 - Use windowed frame buffer model 85 = 1 - Use linear/flat frame buffer model 86 D15 = 0 - Clear display memory 87 = 1 - Don't clear display memory 88 ES:DI = Pointer to buffer to the VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK structure 89 Outputs: 90 AX = Return Status 91 92 --*/ 93 #define VESA_BIOS_EXTENSIONS_RETURN_CURRENT_MODE 0x4f03 94 95 /*++ 96 97 Routine Description: 98 Function 03 : Return Current Mode 99 100 Arguments: 101 Inputs: 102 AX = 0x4f03 103 Outputs: 104 AX = Return Status 105 BX = Current mode 106 D0-D13 = Mode Number 107 D14 = 0 - Windowed frame buffer model 108 = 1 - Linear/flat frame buffer model 109 D15 = 0 - Memory cleared at last mode set 110 = 1 - Memory not cleared at last mode set 111 112 --*/ 113 #define VESA_BIOS_EXTENSIONS_SAVE_RESTORE_STATE 0x4f04 114 115 /*++ 116 117 Routine Description: 118 Function 04 : Save/Restore State 119 120 Arguments: 121 Inputs: 122 AX = 0x4f03 123 DL = 0x00 - Return Save/Restore State buffer size 124 = 0x01 - Save State 125 = 0x02 - Restore State 126 CX = Requested Status 127 D0 = Save/Restore controller hardware state 128 D1 = Save/Restore BIOS data state 129 D2 = Save/Restore DAC state 130 D3 = Save/Restore Regsiter state 131 ES:BX = Pointer to buffer if DL=1 or DL=2 132 Outputs: 133 AX = Return Status 134 BX = Number of 64 byte blocks to hold the state buffer if DL=0 135 136 --*/ 137 #define VESA_BIOS_EXTENSIONS_EDID 0x4f15 138 139 /*++ 140 141 Routine Description: 142 Function 15 : implement VBE/DDC service 143 144 Arguments: 145 Inputs: 146 AX = 0x4f15 147 BL = 0x00 - Report VBE/DDC Capabilities 148 CX = 0x00 - Controller unit number (00 = primary controller) 149 ES:DI = Null pointer, must be 0:0 in version 1.0 150 Outputs: 151 AX = Return Status 152 BH = Approx. time in seconds, rounded up, to transfer one EDID block(128 bytes) 153 BL = DDC level supported 154 D0 = 0 DDC1 not supported 155 = 1 DDC1 supported 156 D1 = 0 DDC2 not supported 157 = 1 DDC2 supported 158 D2 = 0 Screen not blanked during data transfer 159 = 1 Screen blanked during data transfer 160 161 Inputs: 162 AX = 0x4f15 163 BL = 0x01 - Read EDID 164 CX = 0x00 - Controller unit number (00 = primary controller) 165 DX = 0x00 - EDID block number 166 ES:DI = Pointer to buffer in which the EDID block is returned 167 Outputs: 168 AX = Return Status 169 --*/ 170 171 // 172 // Timing data from EDID data block 173 // 174 #define VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE 128 175 #define VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER 17 176 177 typedef struct { 178 UINT16 HorizontalResolution; 179 UINT16 VerticalResolution; 180 UINT16 RefreshRate; 181 } VESA_BIOS_EXTENSIONS_EDID_TIMING; 182 183 typedef struct { 184 UINT32 ValidNumber; 185 UINT32 Key[VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER]; 186 } VESA_BIOS_EXTENSIONS_VALID_EDID_TIMING; 187 188 typedef struct { 189 UINT8 Header[8]; //EDID header "00 FF FF FF FF FF FF 00" 190 UINT16 ManufactureName; //EISA 3-character ID 191 UINT16 ProductCode; //Vendor assigned code 192 UINT32 SerialNumber; //32-bit serial number 193 UINT8 WeekOfManufacture; //Week number 194 UINT8 YearOfManufacture; //Year 195 UINT8 EdidVersion; //EDID Structure Version 196 UINT8 EdidRevision; //EDID Structure Revision 197 UINT8 VideoInputDefinition; 198 UINT8 MaxHorizontalImageSize; //cm 199 UINT8 MaxVerticalImageSize; //cm 200 UINT8 DisplayTransferCharacteristic; 201 UINT8 FeatureSupport; 202 UINT8 RedGreenLowBits; //Rx1 Rx0 Ry1 Ry0 Gx1 Gx0 Gy1Gy0 203 UINT8 BlueWhiteLowBits; //Bx1 Bx0 By1 By0 Wx1 Wx0 Wy1 Wy0 204 UINT8 RedX; //Red-x Bits 9 - 2 205 UINT8 RedY; //Red-y Bits 9 - 2 206 UINT8 GreenX; //Green-x Bits 9 - 2 207 UINT8 GreenY; //Green-y Bits 9 - 2 208 UINT8 BlueX; //Blue-x Bits 9 - 2 209 UINT8 BlueY; //Blue-y Bits 9 - 2 210 UINT8 WhiteX; //White-x Bits 9 - 2 211 UINT8 WhiteY; //White-x Bits 9 - 2 212 UINT8 EstablishedTimings[3]; 213 UINT8 StandardTimingIdentification[16]; 214 UINT8 DetailedTimingDescriptions[72]; 215 UINT8 ExtensionFlag; //Number of (optional) 128-byte EDID extension blocks to follow 216 UINT8 Checksum; 217 } VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK; 218 219 // 220 // Super VGA Information Block 221 // 222 typedef struct { 223 UINT32 VESASignature; // 'VESA' 4 byte signature 224 UINT16 VESAVersion; // VBE version number 225 UINT32 OEMStringPtr; // Pointer to OEM string 226 UINT32 Capabilities; // Capabilities of video card 227 UINT32 VideoModePtr; // Pointer to an array of 16-bit supported modes values terminated by 0xFFFF 228 UINT16 TotalMemory; // Number of 64kb memory blocks 229 UINT16 OemSoftwareRev; // VBE implementation Software revision 230 UINT32 OemVendorNamePtr; // VbeFarPtr to Vendor Name String 231 UINT32 OemProductNamePtr; // VbeFarPtr to Product Name String 232 UINT32 OemProductRevPtr; // VbeFarPtr to Product Revision String 233 UINT8 Reserved[222]; // Reserved for VBE implementation scratch area 234 UINT8 OemData[256]; // Data area for OEM strings. Pad to 512 byte block size 235 } VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK; 236 237 // 238 // Super VGA Information Block VESASignature values 239 // 240 #define VESA_BIOS_EXTENSIONS_VESA_SIGNATURE SIGNATURE_32 ('V', 'E', 'S', 'A') 241 #define VESA_BIOS_EXTENSIONS_VBE2_SIGNATURE SIGNATURE_32 ('V', 'B', 'E', '2') 242 243 // 244 // Super VGA Information Block VESAVersion values 245 // 246 #define VESA_BIOS_EXTENSIONS_VERSION_1_2 0x0102 247 #define VESA_BIOS_EXTENSIONS_VERSION_2_0 0x0200 248 #define VESA_BIOS_EXTENSIONS_VERSION_3_0 0x0300 249 250 // 251 // Super VGA Information Block Capabilities field bit defintions 252 // 253 #define VESA_BIOS_EXTENSIONS_CAPABILITY_8_BIT_DAC 0x01 // 0: DAC width is fixed at 6 bits/color 254 // 1: DAC width switchable to 8 bits/color 255 // 256 #define VESA_BIOS_EXTENSIONS_CAPABILITY_NOT_VGA 0x02 // 0: Controller is VGA compatible 257 // 1: Controller is not VGA compatible 258 // 259 #define VESA_BIOS_EXTENSIONS_CAPABILITY_NOT_NORMAL_RAMDAC 0x04 // 0: Normal RAMDAC operation 260 // 1: Use blank bit in function 9 to program RAMDAC 261 // 262 #define VESA_BIOS_EXTENSIONS_CAPABILITY_STEREOSCOPIC 0x08 // 0: No hardware stereoscopic signal support 263 // 1: Hardware stereoscopic signal support 264 // 265 #define VESA_BIOS_EXTENSIONS_CAPABILITY_VESA_EVC 0x10 // 0: Stero signaling supported via external VESA stereo connector 266 // 1: Stero signaling supported via VESA EVC connector 267 // 268 // Super VGA mode number bite field definitions 269 // 270 #define VESA_BIOS_EXTENSIONS_MODE_NUMBER_VESA 0x0100 // 0: Not a VESA defined VBE mode 271 // 1: A VESA defined VBE mode 272 // 273 #define VESA_BIOS_EXTENSIONS_MODE_NUMBER_REFRESH_CONTROL_USER 0x0800 // 0: Use current BIOS default referesh rate 274 // 1: Use the user specified CRTC values for refresh rate 275 // 276 #define VESA_BIOS_EXTENSIONS_MODE_NUMBER_LINEAR_FRAME_BUFFER 0x4000 // 0: Use a banked/windowed frame buffer 277 // 1: Use a linear/flat frame buffer 278 // 279 #define VESA_BIOS_EXTENSIONS_MODE_NUMBER_PRESERVE_MEMORY 0x8000 // 0: Clear display memory 280 // 1: Preseve display memory 281 // 282 // Super VGA Information Block mode list terminator value 283 // 284 #define VESA_BIOS_EXTENSIONS_END_OF_MODE_LIST 0xffff 285 286 // 287 // Window Function 288 // 289 typedef 290 VOID 291 (*VESA_BIOS_EXTENSIONS_WINDOW_FUNCTION) ( 292 VOID 293 ); 294 295 // 296 // Super VGA Mode Information Block 297 // 298 typedef struct { 299 // 300 // Manadory fields for all VESA Bios Extensions revisions 301 // 302 UINT16 ModeAttributes; // Mode attributes 303 UINT8 WinAAttributes; // Window A attributes 304 UINT8 WinBAttributes; // Window B attributes 305 UINT16 WinGranularity; // Window granularity in k 306 UINT16 WinSize; // Window size in k 307 UINT16 WinASegment; // Window A segment 308 UINT16 WinBSegment; // Window B segment 309 UINT32 WindowFunction; // Pointer to window function 310 UINT16 BytesPerScanLine; // Bytes per scanline 311 // 312 // Manadory fields for VESA Bios Extensions 1.2 and above 313 // 314 UINT16 XResolution; // Horizontal resolution 315 UINT16 YResolution; // Vertical resolution 316 UINT8 XCharSize; // Character cell width 317 UINT8 YCharSize; // Character cell height 318 UINT8 NumberOfPlanes; // Number of memory planes 319 UINT8 BitsPerPixel; // Bits per pixel 320 UINT8 NumberOfBanks; // Number of CGA style banks 321 UINT8 MemoryModel; // Memory model type 322 UINT8 BankSize; // Size of CGA style banks 323 UINT8 NumberOfImagePages; // Number of images pages 324 UINT8 Reserved1; // Reserved 325 UINT8 RedMaskSize; // Size of direct color red mask 326 UINT8 RedFieldPosition; // Bit posn of lsb of red mask 327 UINT8 GreenMaskSize; // Size of direct color green mask 328 UINT8 GreenFieldPosition; // Bit posn of lsb of green mask 329 UINT8 BlueMaskSize; // Size of direct color blue mask 330 UINT8 BlueFieldPosition; // Bit posn of lsb of blue mask 331 UINT8 RsvdMaskSize; // Size of direct color res mask 332 UINT8 RsvdFieldPosition; // Bit posn of lsb of res mask 333 UINT8 DirectColorModeInfo; // Direct color mode attributes 334 // 335 // Manadory fields for VESA Bios Extensions 2.0 and above 336 // 337 UINT32 PhysBasePtr; // Physical Address for flat memory frame buffer 338 UINT32 Reserved2; // Reserved 339 UINT16 Reserved3; // Reserved 340 // 341 // Manadory fields for VESA Bios Extensions 3.0 and above 342 // 343 UINT16 LinBytesPerScanLine; // Bytes/scan line for linear modes 344 UINT8 BnkNumberOfImagePages; // Number of images for banked modes 345 UINT8 LinNumberOfImagePages; // Number of images for linear modes 346 UINT8 LinRedMaskSize; // Size of direct color red mask (linear mode) 347 UINT8 LinRedFieldPosition; // Bit posiiton of lsb of red mask (linear modes) 348 UINT8 LinGreenMaskSize; // Size of direct color green mask (linear mode) 349 UINT8 LinGreenFieldPosition; // Bit posiiton of lsb of green mask (linear modes) 350 UINT8 LinBlueMaskSize; // Size of direct color blue mask (linear mode) 351 UINT8 LinBlueFieldPosition; // Bit posiiton of lsb of blue mask (linear modes) 352 UINT8 LinRsvdMaskSize; // Size of direct color reserved mask (linear mode) 353 UINT8 LinRsvdFieldPosition; // Bit posiiton of lsb of reserved mask (linear modes) 354 UINT32 MaxPixelClock; // Maximum pixel clock (in Hz) for graphics mode 355 UINT8 Pad[190]; // Pad to 256 byte block size 356 } VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK; 357 358 // 359 // Super VGA Mode Information Block ModeAttributes field bit defintions 360 // 361 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_HARDWARE 0x0001 // 0: Mode not supported in handware 362 // 1: Mode supported in handware 363 // 364 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_TTY 0x0004 // 0: TTY Output functions not supported by BIOS 365 // 1: TTY Output functions supported by BIOS 366 // 367 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_COLOR 0x0008 // 0: Monochrome mode 368 // 1: Color mode 369 // 370 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_GRAPHICS 0x0010 // 0: Text mode 371 // 1: Graphics mode 372 // 373 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NOT_VGA 0x0020 // 0: VGA compatible mode 374 // 1: Not a VGA compatible mode 375 // 376 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NOT_WINDOWED 0x0040 // 0: VGA compatible windowed memory mode 377 // 1: Not a VGA compatible windowed memory mode 378 // 379 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER 0x0080 // 0: No linear fram buffer mode available 380 // 1: Linear frame buffer mode available 381 // 382 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_DOUBLE_SCAN 0x0100 // 0: No double scan mode available 383 // 1: Double scan mode available 384 // 385 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_INTERLACED 0x0200 // 0: No interlaced mode is available 386 // 1: Interlaced mode is available 387 // 388 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_NO_TRIPPLE_BUFFER 0x0400 // 0: No hardware triple buffer mode support available 389 // 1: Hardware triple buffer mode support available 390 // 391 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_STEREOSCOPIC 0x0800 // 0: No hardware steroscopic display support 392 // 1: Hardware steroscopic display support 393 // 394 #define VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_DUAL_DISPLAY 0x1000 // 0: No dual display start address support 395 // 1: Dual display start address support 396 // 397 // Super VGA Mode Information Block WinAAttribite/WinBAttributes field bit defintions 398 // 399 #define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_RELOCATABLE 0x01 // 0: Single non-relocatable window only 400 // 1: Relocatable window(s) are supported 401 // 402 #define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_READABLE 0x02 // 0: Window is not readable 403 // 1: Window is readable 404 // 405 #define VESA_BIOS_EXTENSIONS_WINX_ATTRIBUTE_WRITABLE 0x04 // 0: Window is not writable 406 // 1: Window is writable 407 // 408 // Super VGA Mode Information Block DirectColorMode field bit defintions 409 // 410 #define VESA_BIOS_EXTENSIONS_DIRECT_COLOR_MODE_PROG_COLOR_RAMP 0x01 // 0: Color ram is fixed 411 // 1: Color ramp is programmable 412 // 413 #define VESA_BIOS_EXTENSIONS_DIRECT_COLOR_MODE_RSVD_USABLE 0x02 // 0: Bits in Rsvd field are reserved 414 // 1: Bits in Rsdv field are usable 415 // 416 // Super VGA Memory Models 417 // 418 typedef enum { 419 memPL = 3, // Planar memory model 420 memPK = 4, // Packed pixel memory model 421 memRGB= 6, // Direct color RGB memory model 422 memYUV= 7 // Direct color YUV memory model 423 } VESA_BIOS_EXTENSIONS_MEMORY_MODELS; 424 425 // 426 // Super VGA CRTC Information Block 427 // 428 typedef struct { 429 UINT16 HorizontalTotal; // Horizontal total in pixels 430 UINT16 HorizontalSyncStart; // Horizontal sync start in pixels 431 UINT16 HorizontalSyncEnd; // Horizontal sync end in pixels 432 UINT16 VericalTotal; // Vertical total in pixels 433 UINT16 VericalSyncStart; // Vertical sync start in pixels 434 UINT16 VericalSyncEnd; // Vertical sync end in pixels 435 UINT8 Flags; // Flags (Interlaced/DoubleScan/etc). 436 UINT32 PixelClock; // Pixel clock in units of Hz 437 UINT16 RefreshRate; // Refresh rate in units of 0.01 Hz 438 UINT8 Reserved[40]; // Pad 439 } VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK; 440 441 #define VESA_BIOS_EXTENSIONS_CRTC_FLAGS_DOUBLE_SCAN 0x01 // 0: Graphics mode is not souble scanned 442 // 1: Graphics mode is double scanned 443 // 444 #define VESA_BIOS_EXTENSIONS_CRTC_FLAGSINTERLACED 0x02 // 0: Graphics mode is not interlaced 445 // 1: Graphics mode is interlaced 446 // 447 #define VESA_BIOS_EXTENSIONS_CRTC_HORIZONTAL_SYNC_NEGATIVE 0x04 // 0: Horizontal sync polarity is positive(+) 448 // 0: Horizontal sync polarity is negative(-) 449 // 450 #define VESA_BIOS_EXTENSIONS_CRTC_VERITICAL_SYNC_NEGATIVE 0x08 // 0: Verical sync polarity is positive(+) 451 // 0: Verical sync polarity is negative(-) 452 // 453 // Turn off byte packing of data structures 454 // 455 #pragma pack() 456 457 #endif 458