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1 | /*++\r | |
2 | \r | |
3 | Copyright (c) 2006 - 2007, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | UefiBiosVideo.h\r | |
15 | \r | |
16 | Abstract: \r | |
17 | \r | |
18 | Revision History\r | |
19 | --*/\r | |
20 | \r | |
21 | #ifndef _BIOS_GRAPHICS_OUTPUT_H\r | |
22 | #define _BIOS_GRAPHICS_OUTPUT_H\r | |
23 | \r | |
24 | #include <Uefi.h>\r | |
25 | \r | |
26 | //\r | |
27 | // Driver Consumed Protocol Prototypes\r | |
28 | //\r | |
29 | #include <Protocol/DevicePath.h>\r | |
30 | #include <Protocol/PciIo.h>\r | |
31 | #include <Protocol/DriverBinding.h>\r | |
32 | #include <Protocol/ComponentName.h>\r | |
33 | #include <Protocol/ComponentName2.h>\r | |
34 | #include <Protocol/UgaDraw.h>\r | |
35 | #include <Protocol/VgaMiniPort.h>\r | |
36 | #include <Protocol/Legacy8259.h>\r | |
37 | #include <Protocol/EdidActive.h>\r | |
38 | #include <Protocol/EdidDiscovered.h>\r | |
39 | #include <Protocol/DevicePath.h>\r | |
40 | #include <Protocol/LegacyBios.h>\r | |
41 | \r | |
42 | #include <Library/UefiLib.h>\r | |
43 | #include <Library/DebugLib.h>\r | |
44 | #include <Library/UefiBootServicesTableLib.h>\r | |
45 | #include <Library/BaseMemoryLib.h>\r | |
46 | #include <Library/DevicePathLib.h>\r | |
47 | \r | |
48 | #include <IndustryStandard/Pci22.h>\r | |
49 | \r | |
50 | #include "VesaBiosExtensions.h"\r | |
51 | \r | |
52 | //\r | |
53 | // Packed format support: The number of bits reserved for each of the colors and the actual\r | |
54 | // position of RGB in the frame buffer is specified in the VBE Mode information\r | |
55 | //\r | |
56 | typedef struct {\r | |
57 | UINT8 Position; // Position of the color\r | |
58 | UINT8 Mask; // The number of bits expressed as a mask\r | |
59 | } BIOS_VIDEO_COLOR_PLACEMENT;\r | |
60 | \r | |
61 | //\r | |
62 | // BIOS Graphics Output Graphical Mode Data\r | |
63 | //\r | |
64 | typedef struct {\r | |
65 | UINT16 VbeModeNumber;\r | |
66 | UINT16 BytesPerScanLine;\r | |
67 | VOID *LinearFrameBuffer;\r | |
68 | UINTN FrameBufferSize;\r | |
69 | UINT32 HorizontalResolution;\r | |
70 | UINT32 VerticalResolution;\r | |
71 | UINT32 RefreshRate;\r | |
72 | UINT32 BitsPerPixel;\r | |
73 | BIOS_VIDEO_COLOR_PLACEMENT Red;\r | |
74 | BIOS_VIDEO_COLOR_PLACEMENT Green;\r | |
75 | BIOS_VIDEO_COLOR_PLACEMENT Blue;\r | |
76 | BIOS_VIDEO_COLOR_PLACEMENT Reserved;\r | |
77 | EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;\r | |
78 | EFI_PIXEL_BITMASK PixelBitMask;\r | |
79 | } BIOS_VIDEO_MODE_DATA;\r | |
80 | \r | |
81 | //\r | |
82 | // BIOS video child handle private data Structure\r | |
83 | //\r | |
84 | #define BIOS_VIDEO_DEV_SIGNATURE SIGNATURE_32 ('B', 'V', 'M', 'p')\r | |
85 | \r | |
86 | typedef struct {\r | |
87 | UINTN Signature;\r | |
88 | EFI_HANDLE Handle;\r | |
89 | \r | |
90 | //\r | |
91 | // Consumed Protocols\r | |
92 | //\r | |
93 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
94 | EFI_LEGACY_8259_PROTOCOL *Legacy8259;\r | |
95 | \r | |
96 | //\r | |
97 | // Produced Protocols\r | |
98 | //\r | |
99 | EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;\r | |
100 | EFI_EDID_DISCOVERED_PROTOCOL EdidDiscovered;\r | |
101 | EFI_EDID_ACTIVE_PROTOCOL EdidActive;\r | |
102 | EFI_VGA_MINI_PORT_PROTOCOL VgaMiniPort;\r | |
103 | \r | |
104 | //\r | |
105 | // General fields\r | |
106 | //\r | |
107 | BOOLEAN VgaCompatible;\r | |
108 | BOOLEAN ProduceGraphicsOutput;\r | |
109 | EFI_EVENT ExitBootServicesEvent;\r | |
110 | \r | |
111 | //\r | |
112 | // Graphics Output Protocol related fields\r | |
113 | //\r | |
114 | BOOLEAN HardwareNeedsStarting;\r | |
115 | BIOS_VIDEO_MODE_DATA *ModeData;\r | |
116 | UINT8 *LineBuffer;\r | |
117 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *VbeFrameBuffer;\r | |
118 | UINT8 *VgaFrameBuffer;\r | |
119 | \r | |
120 | //\r | |
121 | // VESA Bios Extensions related fields\r | |
122 | //\r | |
123 | UINTN NumberOfPagesBelow1MB; // Number of 4KB pages in PagesBelow1MB\r | |
124 | EFI_PHYSICAL_ADDRESS PagesBelow1MB; // Buffer for all VBE Information Blocks\r | |
125 | VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK *VbeInformationBlock; // 0x200 bytes. Must be allocated below 1MB\r | |
126 | VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK *VbeModeInformationBlock; // 0x100 bytes. Must be allocated below 1MB\r | |
127 | VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *VbeEdidDataBlock; // 0x80 bytes. Must be allocated below 1MB\r | |
128 | VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK *VbeCrtcInformationBlock; // 59 bytes. Must be allocated below 1MB\r | |
129 | UINTN VbeSaveRestorePages; // Number of 4KB pages in VbeSaveRestoreBuffer\r | |
130 | EFI_PHYSICAL_ADDRESS VbeSaveRestoreBuffer; // Must be allocated below 1MB\r | |
131 | //\r | |
132 | // Status code\r | |
133 | //\r | |
134 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
135 | } BIOS_VIDEO_DEV;\r | |
136 | \r | |
137 | #define BIOS_VIDEO_DEV_FROM_PCI_IO_THIS(a) CR (a, BIOS_VIDEO_DEV, PciIo, BIOS_VIDEO_DEV_SIGNATURE)\r | |
138 | #define BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS(a) CR (a, BIOS_VIDEO_DEV, GraphicsOutput, BIOS_VIDEO_DEV_SIGNATURE)\r | |
139 | #define BIOS_VIDEO_DEV_FROM_VGA_MINI_PORT_THIS(a) CR (a, BIOS_VIDEO_DEV, VgaMiniPort, BIOS_VIDEO_DEV_SIGNATURE)\r | |
140 | \r | |
141 | #define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff\r | |
142 | \r | |
143 | //\r | |
144 | // Global Variables\r | |
145 | //\r | |
146 | extern EFI_DRIVER_BINDING_PROTOCOL gBiosVideoDriverBinding;\r | |
147 | extern EFI_COMPONENT_NAME_PROTOCOL gBiosVideoComponentName;\r | |
148 | extern EFI_COMPONENT_NAME2_PROTOCOL gBiosVideoComponentName2;\r | |
149 | \r | |
150 | //\r | |
151 | // Driver Binding Protocol functions\r | |
152 | //\r | |
153 | EFI_STATUS\r | |
154 | EFIAPI\r | |
155 | BiosVideoDriverBindingSupported (\r | |
156 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
157 | IN EFI_HANDLE Controller,\r | |
158 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
159 | )\r | |
160 | /*++\r | |
161 | \r | |
162 | Routine Description:\r | |
163 | \r | |
164 | GC_TODO: Add function description\r | |
165 | \r | |
166 | Arguments:\r | |
167 | \r | |
168 | This - GC_TODO: add argument description\r | |
169 | Controller - GC_TODO: add argument description\r | |
170 | RemainingDevicePath - GC_TODO: add argument description\r | |
171 | \r | |
172 | Returns:\r | |
173 | \r | |
174 | GC_TODO: add return values\r | |
175 | \r | |
176 | --*/\r | |
177 | ;\r | |
178 | \r | |
179 | EFI_STATUS\r | |
180 | EFIAPI\r | |
181 | BiosVideoDriverBindingStart (\r | |
182 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
183 | IN EFI_HANDLE Controller,\r | |
184 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
185 | )\r | |
186 | /*++\r | |
187 | \r | |
188 | Routine Description:\r | |
189 | \r | |
190 | GC_TODO: Add function description\r | |
191 | \r | |
192 | Arguments:\r | |
193 | \r | |
194 | This - GC_TODO: add argument description\r | |
195 | Controller - GC_TODO: add argument description\r | |
196 | RemainingDevicePath - GC_TODO: add argument description\r | |
197 | \r | |
198 | Returns:\r | |
199 | \r | |
200 | GC_TODO: add return values\r | |
201 | \r | |
202 | --*/\r | |
203 | ;\r | |
204 | \r | |
205 | EFI_STATUS\r | |
206 | EFIAPI\r | |
207 | BiosVideoDriverBindingStop (\r | |
208 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
209 | IN EFI_HANDLE Controller,\r | |
210 | IN UINTN NumberOfChildren,\r | |
211 | IN EFI_HANDLE *ChildHandleBuffer\r | |
212 | )\r | |
213 | /*++\r | |
214 | \r | |
215 | Routine Description:\r | |
216 | \r | |
217 | GC_TODO: Add function description\r | |
218 | \r | |
219 | Arguments:\r | |
220 | \r | |
221 | This - GC_TODO: add argument description\r | |
222 | Controller - GC_TODO: add argument description\r | |
223 | NumberOfChildren - GC_TODO: add argument description\r | |
224 | ChildHandleBuffer - GC_TODO: add argument description\r | |
225 | \r | |
226 | Returns:\r | |
227 | \r | |
228 | GC_TODO: add return values\r | |
229 | \r | |
230 | --*/\r | |
231 | ;\r | |
232 | \r | |
233 | //\r | |
234 | // Private worker functions\r | |
235 | //\r | |
236 | EFI_STATUS\r | |
237 | BiosVideoCheckForVbe (\r | |
238 | BIOS_VIDEO_DEV *BiosVideoPrivate\r | |
239 | )\r | |
240 | /*++\r | |
241 | \r | |
242 | Routine Description:\r | |
243 | \r | |
244 | GC_TODO: Add function description\r | |
245 | \r | |
246 | Arguments:\r | |
247 | \r | |
248 | BiosVideoPrivate - GC_TODO: add argument description\r | |
249 | \r | |
250 | Returns:\r | |
251 | \r | |
252 | GC_TODO: add return values\r | |
253 | \r | |
254 | --*/\r | |
255 | ;\r | |
256 | \r | |
257 | EFI_STATUS\r | |
258 | BiosVideoCheckForVga (\r | |
259 | BIOS_VIDEO_DEV *BiosVideoPrivate\r | |
260 | )\r | |
261 | /*++\r | |
262 | \r | |
263 | Routine Description:\r | |
264 | \r | |
265 | GC_TODO: Add function description\r | |
266 | \r | |
267 | Arguments:\r | |
268 | \r | |
269 | BiosVideoPrivate - GC_TODO: add argument description\r | |
270 | \r | |
271 | Returns:\r | |
272 | \r | |
273 | GC_TODO: add return values\r | |
274 | \r | |
275 | --*/\r | |
276 | ;\r | |
277 | \r | |
278 | STATIC\r | |
279 | EFI_STATUS\r | |
280 | DeRegisterVideoChildHandle (\r | |
281 | EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
282 | EFI_HANDLE Controller,\r | |
283 | EFI_HANDLE Handle\r | |
284 | )\r | |
285 | /*++\r | |
286 | \r | |
287 | Routine Description:\r | |
288 | \r | |
289 | Deregister an video child handle and free resources\r | |
290 | \r | |
291 | Arguments:\r | |
292 | \r | |
293 | This - Protocol instance pointer.\r | |
294 | Controller - Video controller handle\r | |
295 | Handle - Video child handle\r | |
296 | \r | |
297 | Returns:\r | |
298 | \r | |
299 | EFI_STATUS\r | |
300 | \r | |
301 | --*/\r | |
302 | ;\r | |
303 | \r | |
304 | VOID\r | |
305 | BiosVideoDeviceReleaseResource (\r | |
306 | BIOS_VIDEO_DEV *BiosVideoChildPrivate\r | |
307 | )\r | |
308 | /*++\r | |
309 | Routing Description:\r | |
310 | \r | |
311 | Release resources of a video child device before stopping it.\r | |
312 | \r | |
313 | Arguments:\r | |
314 | \r | |
315 | BiosVideoChildPrivate - Video child device private data structure\r | |
316 | \r | |
317 | Returns:\r | |
318 | \r | |
319 | NONE\r | |
320 | \r | |
321 | ---*/\r | |
322 | ;\r | |
323 | \r | |
324 | //\r | |
325 | // BIOS Graphics Output Protocol functions\r | |
326 | //\r | |
327 | EFI_STATUS\r | |
328 | EFIAPI\r | |
329 | BiosVideoGraphicsOutputQueryMode (\r | |
330 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
331 | IN UINT32 ModeNumber,\r | |
332 | OUT UINTN *SizeOfInfo,\r | |
333 | OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info\r | |
334 | )\r | |
335 | /*++\r | |
336 | \r | |
337 | Routine Description:\r | |
338 | \r | |
339 | Graphics Output protocol interface to get video mode\r | |
340 | \r | |
341 | Arguments:\r | |
342 | This - Protocol instance pointer.\r | |
343 | ModeNumber - The mode number to return information on.\r | |
344 | Info - Caller allocated buffer that returns information about ModeNumber.\r | |
345 | SizeOfInfo - A pointer to the size, in bytes, of the Info buffer.\r | |
346 | \r | |
347 | Returns:\r | |
348 | EFI_SUCCESS - Mode information returned.\r | |
349 | EFI_BUFFER_TOO_SMALL - The Info buffer was too small.\r | |
350 | EFI_DEVICE_ERROR - A hardware error occurred trying to retrieve the video mode.\r | |
351 | EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()\r | |
352 | EFI_INVALID_PARAMETER - One of the input args was NULL.\r | |
353 | \r | |
354 | --*/\r | |
355 | ;\r | |
356 | \r | |
357 | EFI_STATUS\r | |
358 | EFIAPI\r | |
359 | BiosVideoGraphicsOutputSetMode (\r | |
360 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,\r | |
361 | IN UINT32 ModeNumber\r | |
362 | )\r | |
363 | /*++\r | |
364 | \r | |
365 | Routine Description:\r | |
366 | \r | |
367 | Graphics Output protocol interface to set video mode\r | |
368 | \r | |
369 | Arguments:\r | |
370 | This - Protocol instance pointer.\r | |
371 | ModeNumber - The mode number to be set.\r | |
372 | \r | |
373 | Returns:\r | |
374 | EFI_SUCCESS - Graphics mode was changed.\r | |
375 | EFI_DEVICE_ERROR - The device had an error and could not complete the request.\r | |
376 | EFI_UNSUPPORTED - ModeNumber is not supported by this device.\r | |
377 | \r | |
378 | --*/\r | |
379 | ;\r | |
380 | \r | |
381 | EFI_STATUS\r | |
382 | EFIAPI\r | |
383 | BiosVideoGraphicsOutputVbeBlt (\r | |
384 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
385 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r | |
386 | IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,\r | |
387 | IN UINTN SourceX,\r | |
388 | IN UINTN SourceY,\r | |
389 | IN UINTN DestinationX,\r | |
390 | IN UINTN DestinationY,\r | |
391 | IN UINTN Width,\r | |
392 | IN UINTN Height,\r | |
393 | IN UINTN Delta\r | |
394 | )\r | |
395 | /*++\r | |
396 | \r | |
397 | Routine Description:\r | |
398 | \r | |
399 | Graphics Output protocol instance to block transfer for VBE device\r | |
400 | \r | |
401 | Arguments:\r | |
402 | \r | |
403 | This - Pointer to Graphics Output protocol instance\r | |
404 | BltBuffer - The data to transfer to screen\r | |
405 | BltOperation - The operation to perform\r | |
406 | SourceX - The X coordinate of the source for BltOperation\r | |
407 | SourceY - The Y coordinate of the source for BltOperation\r | |
408 | DestinationX - The X coordinate of the destination for BltOperation\r | |
409 | DestinationY - The Y coordinate of the destination for BltOperation\r | |
410 | Width - The width of a rectangle in the blt rectangle in pixels\r | |
411 | Height - The height of a rectangle in the blt rectangle in pixels\r | |
412 | Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.\r | |
413 | If a Delta of 0 is used, the entire BltBuffer will be operated on.\r | |
414 | If a subrectangle of the BltBuffer is used, then Delta represents\r | |
415 | the number of bytes in a row of the BltBuffer.\r | |
416 | \r | |
417 | Returns:\r | |
418 | \r | |
419 | EFI_INVALID_PARAMETER - Invalid parameter passed in\r | |
420 | EFI_SUCCESS - Blt operation success\r | |
421 | \r | |
422 | --*/\r | |
423 | ;\r | |
424 | \r | |
425 | EFI_STATUS\r | |
426 | EFIAPI\r | |
427 | BiosVideoGraphicsOutputVgaBlt (\r | |
428 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r | |
429 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL\r | |
430 | IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,\r | |
431 | IN UINTN SourceX,\r | |
432 | IN UINTN SourceY,\r | |
433 | IN UINTN DestinationX,\r | |
434 | IN UINTN DestinationY,\r | |
435 | IN UINTN Width,\r | |
436 | IN UINTN Height,\r | |
437 | IN UINTN Delta\r | |
438 | )\r | |
439 | /*++\r | |
440 | \r | |
441 | Routine Description:\r | |
442 | \r | |
443 | Grahpics Output protocol instance to block transfer for VGA device\r | |
444 | \r | |
445 | Arguments:\r | |
446 | \r | |
447 | This - Pointer to Grahpics Output protocol instance\r | |
448 | BltBuffer - The data to transfer to screen\r | |
449 | BltOperation - The operation to perform\r | |
450 | SourceX - The X coordinate of the source for BltOperation\r | |
451 | SourceY - The Y coordinate of the source for BltOperation\r | |
452 | DestinationX - The X coordinate of the destination for BltOperation\r | |
453 | DestinationY - The Y coordinate of the destination for BltOperation\r | |
454 | Width - The width of a rectangle in the blt rectangle in pixels\r | |
455 | Height - The height of a rectangle in the blt rectangle in pixels\r | |
456 | Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.\r | |
457 | If a Delta of 0 is used, the entire BltBuffer will be operated on.\r | |
458 | If a subrectangle of the BltBuffer is used, then Delta represents\r | |
459 | the number of bytes in a row of the BltBuffer.\r | |
460 | \r | |
461 | Returns:\r | |
462 | \r | |
463 | EFI_INVALID_PARAMETER - Invalid parameter passed in\r | |
464 | EFI_SUCCESS - Blt operation success\r | |
465 | \r | |
466 | --*/\r | |
467 | ;\r | |
468 | \r | |
469 | //\r | |
470 | // BIOS VGA Mini Port Protocol functions\r | |
471 | //\r | |
472 | EFI_STATUS\r | |
473 | EFIAPI\r | |
474 | BiosVideoVgaMiniPortSetMode (\r | |
475 | IN EFI_VGA_MINI_PORT_PROTOCOL *This,\r | |
476 | IN UINTN ModeNumber\r | |
477 | )\r | |
478 | /*++\r | |
479 | \r | |
480 | Routine Description:\r | |
481 | \r | |
482 | VgaMiniPort protocol interface to set mode\r | |
483 | \r | |
484 | Arguments:\r | |
485 | \r | |
486 | This - Pointer to VgaMiniPort protocol instance\r | |
487 | ModeNumber - The index of the mode\r | |
488 | \r | |
489 | Returns:\r | |
490 | \r | |
491 | EFI_UNSUPPORTED - The requested mode is not supported\r | |
492 | EFI_SUCCESS - The requested mode is set successfully\r | |
493 | \r | |
494 | --*/\r | |
495 | ;\r | |
496 | \r | |
497 | \r | |
498 | BOOLEAN\r | |
499 | BiosVideoIsVga (\r | |
500 | IN EFI_PCI_IO_PROTOCOL *PciIo\r | |
501 | )\r | |
502 | ;\r | |
503 | \r | |
504 | \r | |
505 | //\r | |
506 | // Standard VGA Definitions\r | |
507 | //\r | |
508 | #define VGA_HORIZONTAL_RESOLUTION 640\r | |
509 | #define VGA_VERTICAL_RESOLUTION 480\r | |
510 | #define VGA_NUMBER_OF_BIT_PLANES 4\r | |
511 | #define VGA_PIXELS_PER_BYTE 8\r | |
512 | #define VGA_BYTES_PER_SCAN_LINE (VGA_HORIZONTAL_RESOLUTION / VGA_PIXELS_PER_BYTE)\r | |
513 | #define VGA_BYTES_PER_BIT_PLANE (VGA_VERTICAL_RESOLUTION * VGA_BYTES_PER_SCAN_LINE)\r | |
514 | \r | |
515 | #define VGA_GRAPHICS_CONTROLLER_ADDRESS_REGISTER 0x3ce\r | |
516 | #define VGA_GRAPHICS_CONTROLLER_DATA_REGISTER 0x3cf\r | |
517 | \r | |
518 | #define VGA_GRAPHICS_CONTROLLER_SET_RESET_REGISTER 0x00\r | |
519 | \r | |
520 | #define VGA_GRAPHICS_CONTROLLER_ENABLE_SET_RESET_REGISTER 0x01\r | |
521 | \r | |
522 | #define VGA_GRAPHICS_CONTROLLER_COLOR_COMPARE_REGISTER 0x02\r | |
523 | \r | |
524 | #define VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER 0x03\r | |
525 | #define VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE 0x00\r | |
526 | #define VGA_GRAPHICS_CONTROLLER_FUNCTION_AND 0x08\r | |
527 | #define VGA_GRAPHICS_CONTROLLER_FUNCTION_OR 0x10\r | |
528 | #define VGA_GRAPHICS_CONTROLLER_FUNCTION_XOR 0x18\r | |
529 | \r | |
530 | #define VGA_GRAPHICS_CONTROLLER_READ_MAP_SELECT_REGISTER 0x04\r | |
531 | \r | |
532 | #define VGA_GRAPHICS_CONTROLLER_MODE_REGISTER 0x05\r | |
533 | #define VGA_GRAPHICS_CONTROLLER_READ_MODE_0 0x00\r | |
534 | #define VGA_GRAPHICS_CONTROLLER_READ_MODE_1 0x08\r | |
535 | #define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_0 0x00\r | |
536 | #define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_1 0x01\r | |
537 | #define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2 0x02\r | |
538 | #define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_3 0x03\r | |
539 | \r | |
540 | #define VGA_GRAPHICS_CONTROLLER_MISCELLANEOUS_REGISTER 0x06\r | |
541 | \r | |
542 | #define VGA_GRAPHICS_CONTROLLER_COLOR_DONT_CARE_REGISTER 0x07\r | |
543 | \r | |
544 | #define VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER 0x08\r | |
545 | \r | |
546 | VOID\r | |
547 | InitializeBiosIntCaller (\r | |
548 | IN BIOS_VIDEO_DEV *BiosDev\r | |
549 | );\r | |
550 | \r | |
551 | VOID\r | |
552 | InitializeInterruptRedirection (\r | |
553 | IN BIOS_VIDEO_DEV *BiosDev\r | |
554 | );\r | |
555 | \r | |
556 | BOOLEAN\r | |
557 | EFIAPI\r | |
558 | LegacyBiosInt86 (\r | |
559 | IN BIOS_VIDEO_DEV *BiosDev,\r | |
560 | IN UINT8 BiosInt,\r | |
561 | IN EFI_IA32_REGISTER_SET *Regs\r | |
562 | ); \r | |
563 | \r | |
564 | #endif\r |