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3cbfba02 DW |
1 | \r |
2 | /*++\r | |
3 | \r | |
4 | Copyright (c) 2011 - 2014, Intel Corporation. All rights reserved\r | |
5 | \r\r | |
6 | This program and the accompanying materials are licensed and made available under\r\r | |
7 | the terms and conditions of the BSD License that accompanies this distribution. \r\r | |
8 | The full text of the license may be found at \r\r | |
9 | http://opensource.org/licenses/bsd-license.php. \r\r | |
10 | \r\r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r\r | |
13 | \r\r | |
14 | \r | |
15 | \r | |
16 | Module Name:\r | |
17 | \r | |
18 | IgdOpRegion.c\r | |
19 | \r | |
20 | Abstract:\r | |
21 | \r | |
22 | This is part of the implementation of an Intel Graphics drivers OpRegion /\r | |
23 | Software SCI interface between system BIOS, ASL code, and Graphics drivers.\r | |
24 | The code in this file will load the driver and initialize the interface\r | |
25 | \r | |
26 | Supporting Specifiction: OpRegion / Software SCI SPEC 0.70\r | |
27 | \r | |
28 | Acronyms:\r | |
29 | IGD: Internal Graphics Device\r | |
30 | NVS: ACPI Non Volatile Storage\r | |
31 | OpRegion: ACPI Operational Region\r | |
32 | VBT: Video BIOS Table (OEM customizable data)\r | |
33 | \r | |
34 | --*/\r | |
35 | \r | |
36 | //\r | |
37 | // Include files\r | |
38 | //\r | |
39 | \r | |
40 | \r | |
41 | #include "IgdOpRegion.h"\r | |
42 | #include "VlvPlatformInit.h"\r | |
43 | #include <FrameworkDxe.h>\r | |
44 | #include <Uefi.h>\r | |
45 | #include <PchRegs.h>\r | |
46 | \r | |
47 | #include <Guid/DataHubRecords.h>\r | |
48 | \r | |
49 | #include <Protocol/IgdOpRegion.h>\r | |
50 | #include <Protocol/FrameworkHii.h>\r | |
51 | #include <Protocol/FirmwareVolume.h>\r | |
52 | #include <Protocol/PlatformGopPolicy.h>\r | |
53 | #include <Protocol/PciIo.h>\r | |
54 | #include <Protocol/CpuIo.h>\r | |
55 | #include <Protocol/GlobalNvsArea.h>\r | |
56 | #include <Protocol/DxeSmmReadyToLock.h>\r | |
57 | #include <Protocol/PciRootBridgeIo.h>\r | |
58 | \r | |
59 | #include <Library/MemoryAllocationLib.h>\r | |
60 | #include <Library/BaseLib.h>\r | |
61 | #include <Library/S3BootScriptLib.h>\r | |
62 | #include <Library/IoLib.h>\r | |
63 | #include <Library/DevicePathLib.h>\r | |
64 | #include <Protocol/DriverBinding.h>\r | |
65 | #include <Library/PrintLib.h>\r | |
66 | #include <Library/BaseMemoryLib.h>\r | |
67 | \r | |
68 | \r | |
69 | \r | |
70 | UINT8 gSVER[12] = "Intel";\r | |
71 | \r | |
72 | extern DXE_VLV_PLATFORM_POLICY_PROTOCOL *DxePlatformSaPolicy;\r | |
73 | \r | |
74 | //\r | |
75 | // Global variables\r | |
76 | //\r | |
77 | \r | |
78 | IGD_OPREGION_PROTOCOL mIgdOpRegion;\r | |
79 | EFI_GUID mMiscSubClass = EFI_MISC_SUBCLASS_GUID;\r | |
80 | EFI_EVENT mConOutEvent;\r | |
81 | EFI_EVENT mSetGOPverEvent;\r | |
82 | VOID *mConOutReg;\r | |
83 | \r | |
84 | #define DEFAULT_FORM_BUFFER_SIZE 0xFFFF\r | |
85 | #ifndef ECP_FLAG\r | |
86 | #if 0\r | |
87 | /**\r | |
88 | \r | |
89 | Get the HII protocol interface\r | |
90 | \r | |
91 | @param Hii HII protocol interface\r | |
92 | \r | |
93 | @retval Status code\r | |
94 | \r | |
95 | **/\r | |
96 | static\r | |
97 | EFI_STATUS\r | |
98 | GetHiiInterface (\r | |
99 | OUT EFI_HII_PROTOCOL **Hii\r | |
100 | )\r | |
101 | {\r | |
102 | EFI_STATUS Status;\r | |
103 | \r | |
104 | //\r | |
105 | // There should only be one HII protocol\r | |
106 | //\r | |
107 | Status = gBS->LocateProtocol (\r | |
108 | &gEfiHiiProtocolGuid,\r | |
109 | NULL,\r | |
110 | (VOID **) Hii\r | |
111 | );\r | |
112 | \r | |
113 | return Status;;\r | |
114 | }\r | |
115 | #endif\r | |
116 | #endif\r | |
117 | \r | |
118 | /**\r | |
119 | \r | |
120 | Get VBT data.\r | |
121 | \r | |
122 | @param[in] VbtFileBuffer Pointer to VBT data buffer.\r | |
123 | \r | |
124 | @retval EFI_SUCCESS VBT data was returned.\r | |
125 | @retval EFI_NOT_FOUND VBT data not found.\r | |
126 | @exception EFI_UNSUPPORTED Invalid signature in VBT data.\r | |
127 | \r | |
128 | **/\r | |
129 | EFI_STATUS\r | |
130 | GetIntegratedIntelVbtPtr (\r | |
131 | OUT VBIOS_VBT_STRUCTURE **VbtFileBuffer\r | |
132 | )\r | |
133 | {\r | |
134 | EFI_STATUS Status;\r | |
135 | EFI_PHYSICAL_ADDRESS VbtAddress = 0;\r | |
3cbfba02 DW |
136 | UINTN FvProtocolCount;\r |
137 | EFI_HANDLE *FvHandles;\r | |
138 | EFI_FIRMWARE_VOLUME_PROTOCOL *Fv;\r | |
139 | UINTN Index;\r | |
140 | UINT32 AuthenticationStatus;\r | |
141 | \r | |
142 | UINT8 *Buffer;\r | |
143 | UINTN VbtBufferSize = 0;\r | |
144 | \r | |
145 | Buffer = 0;\r | |
146 | FvHandles = NULL;\r | |
147 | *VbtFileBuffer = NULL;\r | |
148 | Status = gBS->LocateHandleBuffer (\r | |
149 | ByProtocol,\r | |
150 | &gEfiFirmwareVolumeProtocolGuid,\r | |
151 | NULL,\r | |
152 | &FvProtocolCount,\r | |
153 | &FvHandles\r | |
154 | );\r | |
155 | \r | |
156 | if (!EFI_ERROR (Status)) {\r | |
157 | for (Index = 0; Index < FvProtocolCount; Index++) {\r | |
158 | Status = gBS->HandleProtocol (\r | |
159 | FvHandles[Index],\r | |
160 | &gEfiFirmwareVolumeProtocolGuid,\r | |
161 | (VOID **) &Fv\r | |
162 | );\r | |
163 | VbtBufferSize = 0;\r | |
164 | Status = Fv->ReadSection (\r | |
165 | Fv,\r | |
166 | &gBmpImageGuid,\r | |
167 | EFI_SECTION_RAW,\r | |
168 | 0,\r | |
169 | (void **)&Buffer,\r | |
170 | &VbtBufferSize,\r | |
171 | &AuthenticationStatus\r | |
172 | );\r | |
173 | \r | |
174 | if (!EFI_ERROR (Status)) {\r | |
175 | VbtAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Buffer;\r | |
3cbfba02 DW |
176 | Status = EFI_SUCCESS;\r |
177 | break;\r | |
178 | }\r | |
179 | }\r | |
180 | } else {\r | |
181 | Status = EFI_NOT_FOUND;\r | |
182 | }\r | |
183 | \r | |
184 | if (FvHandles != NULL) {\r | |
185 | FreePool(FvHandles);\r | |
186 | FvHandles = NULL;\r | |
187 | }\r | |
188 | \r | |
189 | \r | |
190 | //\r | |
191 | // Check VBT signature\r | |
192 | //\r | |
193 | *VbtFileBuffer = (VBIOS_VBT_STRUCTURE *) (UINTN) VbtAddress;\r | |
194 | if (*VbtFileBuffer != NULL) {\r | |
195 | if ((*((UINT32 *) ((*VbtFileBuffer)->HeaderSignature))) != VBT_SIGNATURE) {\r | |
196 | if (*VbtFileBuffer != NULL) {\r | |
197 | *VbtFileBuffer = NULL;\r | |
198 | }\r | |
199 | return EFI_UNSUPPORTED;\r | |
200 | }\r | |
201 | //\r | |
202 | // Check VBT size\r | |
203 | //\r | |
204 | if ((*VbtFileBuffer)->HeaderVbtSize > VbtBufferSize) {\r | |
205 | (*VbtFileBuffer)->HeaderVbtSize = (UINT16) VbtBufferSize;\r | |
206 | }\r | |
207 | }\r | |
208 | \r | |
209 | return EFI_SUCCESS;\r | |
210 | }\r | |
211 | \r | |
212 | //\r | |
213 | // Function implementations.\r | |
214 | //\r | |
215 | /**\r | |
216 | \r | |
217 | Get a pointer to an uncompressed image of the Intel video BIOS.\r | |
218 | \r | |
219 | Note: This function would only be called if the video BIOS at 0xC000 is\r | |
220 | missing or not an Intel video BIOS. It may not be an Intel video BIOS\r | |
221 | if the Intel graphic contoller is considered a secondary adapter.\r | |
222 | \r | |
223 | \r | |
224 | @param VBiosROMImage Pointer to an uncompressed Intel video BIOS. This pointer must\r | |
225 | be set to NULL if an uncompressed image of the Intel Video BIOS\r | |
226 | is not obtainable.\r | |
227 | \r | |
228 | \r | |
229 | @retval EFI_SUCCESS VBiosPtr is updated.\r | |
230 | \r | |
231 | **/\r | |
232 | EFI_STATUS\r | |
233 | GetIntegratedIntelVBiosPtr (\r | |
234 | INTEL_VBIOS_OPTION_ROM_HEADER **VBiosImage\r | |
235 | )\r | |
236 | {\r | |
237 | EFI_HANDLE *HandleBuffer;\r | |
238 | UINTN HandleCount;\r | |
239 | UINTN Index;\r | |
240 | INTEL_VBIOS_PCIR_STRUCTURE *PcirBlockPtr;\r | |
241 | EFI_STATUS Status;\r | |
242 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
243 | INTEL_VBIOS_OPTION_ROM_HEADER *VBiosRomImage;\r | |
244 | \r | |
245 | //\r | |
246 | // Set as if an umcompressed Intel video BIOS image was not obtainable.\r | |
247 | //\r | |
248 | VBiosRomImage = NULL;\r | |
249 | *VBiosImage = NULL;\r | |
250 | \r | |
251 | //\r | |
252 | // Get all PCI IO protocols\r | |
253 | //\r | |
254 | Status = gBS->LocateHandleBuffer (\r | |
255 | ByProtocol,\r | |
256 | &gEfiPciIoProtocolGuid,\r | |
257 | NULL,\r | |
258 | &HandleCount,\r | |
259 | &HandleBuffer\r | |
260 | );\r | |
261 | ASSERT_EFI_ERROR (Status);\r | |
262 | \r | |
263 | //\r | |
264 | // Find the video BIOS by checking each PCI IO handle for an Intel video\r | |
265 | // BIOS OPROM.\r | |
266 | //\r | |
267 | for (Index = 0; Index < HandleCount; Index++) {\r | |
268 | Status = gBS->HandleProtocol (\r | |
269 | HandleBuffer[Index],\r | |
270 | &gEfiPciIoProtocolGuid,\r | |
271 | (void **)&PciIo\r | |
272 | );\r | |
273 | ASSERT_EFI_ERROR (Status);\r | |
274 | \r | |
275 | VBiosRomImage = PciIo->RomImage;\r | |
276 | \r | |
277 | //\r | |
278 | // If this PCI device doesn't have a ROM image, skip to the next device.\r | |
279 | //\r | |
280 | if (!VBiosRomImage) {\r | |
281 | continue;\r | |
282 | }\r | |
283 | \r | |
284 | //\r | |
285 | // Get pointer to PCIR structure\r | |
286 | //\r | |
287 | PcirBlockPtr = (INTEL_VBIOS_PCIR_STRUCTURE *)((UINT8 *) VBiosRomImage + VBiosRomImage->PcirOffset);\r | |
288 | \r | |
289 | //\r | |
290 | // Check if we have an Intel video BIOS OPROM.\r | |
291 | //\r | |
292 | if ((VBiosRomImage->Signature == OPTION_ROM_SIGNATURE) &&\r | |
293 | (PcirBlockPtr->VendorId == IGD_VID) &&\r | |
294 | (PcirBlockPtr->ClassCode[0] == 0x00) &&\r | |
295 | (PcirBlockPtr->ClassCode[1] == 0x00) &&\r | |
296 | (PcirBlockPtr->ClassCode[2] == 0x03)\r | |
297 | ) {\r | |
298 | //\r | |
299 | // Found Intel video BIOS.\r | |
300 | //\r | |
301 | *VBiosImage = VBiosRomImage;\r | |
302 | return EFI_SUCCESS;\r | |
303 | }\r | |
304 | }\r | |
305 | \r | |
306 | //\r | |
307 | // No Intel video BIOS found.\r | |
308 | //\r | |
309 | \r | |
310 | //\r | |
311 | // Free any allocated buffers\r | |
312 | //\r | |
313 | return EFI_UNSUPPORTED;\r | |
314 | }\r | |
315 | \r | |
316 | EFI_STATUS\r | |
317 | SearchChildHandle(\r | |
318 | EFI_HANDLE Father,\r | |
319 | EFI_HANDLE *Child\r | |
320 | )\r | |
321 | {\r | |
322 | EFI_STATUS Status;\r | |
323 | UINTN HandleIndex;\r | |
324 | EFI_GUID **ProtocolGuidArray = NULL;\r | |
325 | UINTN ArrayCount;\r | |
326 | UINTN ProtocolIndex;\r | |
327 | UINTN OpenInfoCount;\r | |
328 | UINTN OpenInfoIndex;\r | |
329 | EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo = NULL;\r | |
330 | UINTN mHandleCount;\r | |
331 | EFI_HANDLE *mHandleBuffer= NULL;\r | |
332 | \r | |
333 | //\r | |
334 | // Retrieve the list of all handles from the handle database\r | |
335 | //\r | |
336 | Status = gBS->LocateHandleBuffer (\r | |
337 | AllHandles,\r | |
338 | NULL,\r | |
339 | NULL,\r | |
340 | &mHandleCount,\r | |
341 | &mHandleBuffer\r | |
342 | );\r | |
343 | \r | |
344 | for (HandleIndex = 0; HandleIndex < mHandleCount; HandleIndex++) {\r | |
345 | //\r | |
346 | // Retrieve the list of all the protocols on each handle\r | |
347 | //\r | |
348 | Status = gBS->ProtocolsPerHandle (\r | |
349 | mHandleBuffer[HandleIndex],\r | |
350 | &ProtocolGuidArray,\r | |
351 | &ArrayCount\r | |
352 | );\r | |
353 | if (!EFI_ERROR (Status)) {\r | |
354 | for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {\r | |
355 | Status = gBS->OpenProtocolInformation (\r | |
356 | mHandleBuffer[HandleIndex],\r | |
357 | ProtocolGuidArray[ProtocolIndex],\r | |
358 | &OpenInfo,\r | |
359 | &OpenInfoCount\r | |
360 | );\r | |
361 | if (!EFI_ERROR (Status)) {\r | |
362 | for (OpenInfoIndex = 0; OpenInfoIndex < OpenInfoCount; OpenInfoIndex++) {\r | |
363 | if(OpenInfo[OpenInfoIndex].AgentHandle == Father) {\r | |
364 | if ((OpenInfo[OpenInfoIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) == EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) {\r | |
365 | *Child = mHandleBuffer[HandleIndex];\r | |
366 | Status = EFI_SUCCESS;\r | |
367 | goto TryReturn;\r | |
368 | }\r | |
369 | }\r | |
370 | }\r | |
371 | Status = EFI_NOT_FOUND;\r | |
372 | }\r | |
373 | }\r | |
374 | if(OpenInfo != NULL) {\r | |
375 | FreePool(OpenInfo);\r | |
376 | OpenInfo = NULL;\r | |
377 | }\r | |
378 | }\r | |
379 | FreePool (ProtocolGuidArray);\r | |
380 | ProtocolGuidArray = NULL;\r | |
381 | }\r | |
382 | TryReturn:\r | |
383 | if(OpenInfo != NULL) {\r | |
384 | FreePool (OpenInfo);\r | |
385 | OpenInfo = NULL;\r | |
386 | }\r | |
387 | if(ProtocolGuidArray != NULL) {\r | |
388 | FreePool(ProtocolGuidArray);\r | |
389 | ProtocolGuidArray = NULL;\r | |
390 | }\r | |
391 | if(mHandleBuffer != NULL) {\r | |
392 | FreePool (mHandleBuffer);\r | |
393 | mHandleBuffer = NULL;\r | |
394 | }\r | |
395 | return Status;\r | |
396 | }\r | |
397 | \r | |
398 | EFI_STATUS\r | |
399 | JudgeHandleIsPCIDevice(\r | |
400 | EFI_HANDLE Handle,\r | |
401 | UINT8 Device,\r | |
402 | UINT8 Funs\r | |
403 | )\r | |
404 | {\r | |
405 | EFI_STATUS Status;\r | |
406 | EFI_DEVICE_PATH *DPath;\r | |
3cbfba02 DW |
407 | \r |
408 | Status = gBS->HandleProtocol (\r | |
409 | Handle,\r | |
410 | &gEfiDevicePathProtocolGuid,\r | |
411 | (VOID **) &DPath\r | |
412 | );\r | |
413 | if(!EFI_ERROR(Status)) {\r | |
3cbfba02 DW |
414 | while(!IsDevicePathEnd(DPath)) {\r |
415 | if((DPath->Type == HARDWARE_DEVICE_PATH) && (DPath->SubType == HW_PCI_DP)) {\r | |
416 | PCI_DEVICE_PATH *PCIPath;\r | |
417 | \r | |
418 | PCIPath = (PCI_DEVICE_PATH*) DPath;\r | |
419 | DPath = NextDevicePathNode(DPath);\r | |
420 | if(IsDevicePathEnd(DPath) && (PCIPath->Device == Device) && (PCIPath->Function == Funs)) {\r | |
421 | return EFI_SUCCESS;\r | |
422 | }\r | |
423 | } else {\r | |
424 | DPath = NextDevicePathNode(DPath);\r | |
425 | }\r | |
426 | }\r | |
427 | }\r | |
428 | return EFI_UNSUPPORTED;\r | |
429 | }\r | |
430 | \r | |
431 | EFI_STATUS\r | |
432 | GetDriverName(\r | |
433 | EFI_HANDLE Handle,\r | |
434 | CHAR16 *GopVersion\r | |
435 | )\r | |
436 | {\r | |
437 | EFI_DRIVER_BINDING_PROTOCOL *BindHandle = NULL;\r | |
438 | EFI_STATUS Status;\r | |
439 | UINT32 Version;\r | |
440 | UINT16 *Ptr;\r | |
441 | \r | |
442 | Status = gBS->OpenProtocol(\r | |
443 | Handle,\r | |
444 | &gEfiDriverBindingProtocolGuid,\r | |
445 | (VOID**)&BindHandle,\r | |
446 | NULL,\r | |
447 | NULL,\r | |
448 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
449 | );\r | |
450 | if (EFI_ERROR(Status)) {\r | |
451 | return EFI_NOT_FOUND;\r | |
452 | }\r | |
453 | \r | |
454 | Version = BindHandle->Version;\r | |
455 | Ptr = (UINT16*)&Version;\r | |
456 | UnicodeSPrint(GopVersion, 40, L"7.0.%04d", *(Ptr));\r | |
457 | return EFI_SUCCESS;\r | |
458 | }\r | |
459 | \r | |
460 | EFI_STATUS\r | |
461 | GetGOPDriverVersion(\r | |
462 | CHAR16 *GopVersion\r | |
463 | )\r | |
464 | {\r | |
465 | UINTN HandleCount;\r | |
466 | EFI_HANDLE *Handles= NULL;\r | |
467 | UINTN Index;\r | |
468 | EFI_STATUS Status;\r | |
469 | EFI_HANDLE Child = 0;\r | |
470 | \r | |
471 | Status = gBS->LocateHandleBuffer(\r | |
472 | ByProtocol,\r | |
473 | &gEfiDriverBindingProtocolGuid,\r | |
474 | NULL,\r | |
475 | &HandleCount,\r | |
476 | &Handles\r | |
477 | );\r | |
478 | for (Index = 0; Index < HandleCount ; Index++) {\r | |
479 | Status = SearchChildHandle(Handles[Index], &Child);\r | |
480 | if(!EFI_ERROR(Status)) {\r | |
481 | Status = JudgeHandleIsPCIDevice(Child, 0x02, 0x00);\r | |
482 | if(!EFI_ERROR(Status)) {\r | |
483 | return GetDriverName(Handles[Index], GopVersion);\r | |
484 | }\r | |
485 | }\r | |
486 | }\r | |
487 | return EFI_UNSUPPORTED;\r | |
488 | }\r | |
489 | \r | |
490 | \r | |
491 | /**\r | |
492 | Get Intel GOP driver version and copy it into IGD OpRegion GVER. This version\r | |
493 | is picked up by IGD driver and displayed in CUI.\r | |
494 | \r | |
495 | @param Event A pointer to the Event that triggered the callback.\r | |
496 | @param Context A pointer to private data registered with the callback function.\r | |
497 | \r | |
498 | @retval EFI_SUCCESS Video BIOS VBT information returned.\r | |
499 | @retval EFI_UNSUPPORTED Could not find VBT information (*VBiosVbtPtr = NULL).\r | |
500 | \r | |
501 | **/\r | |
502 | EFI_STATUS\r | |
503 | EFIAPI\r | |
504 | SetGOPVersionCallback (\r | |
505 | IN EFI_EVENT Event,\r | |
506 | IN VOID *Context\r | |
507 | )\r | |
508 | {\r | |
509 | CHAR16 GopVersion[16] = {0};\r | |
510 | EFI_STATUS Status;\r | |
511 | \r | |
512 | Status = GetGOPDriverVersion(GopVersion);\r | |
513 | if(!EFI_ERROR(Status)) {\r | |
514 | StrCpy((CHAR16*)&(mIgdOpRegion.OpRegion->Header.GOPV[0]), GopVersion);\r | |
515 | return Status;\r | |
516 | }\r | |
517 | return EFI_UNSUPPORTED;\r | |
518 | }\r | |
519 | \r | |
520 | /**\r | |
521 | Get Intel video BIOS VBT information (i.e. Pointer to VBT and VBT size).\r | |
522 | The VBT (Video BIOS Table) is a block of customizable data that is built\r | |
523 | within the video BIOS and edited by customers.\r | |
524 | \r | |
525 | @param Event A pointer to the Event that triggered the callback.\r | |
526 | @param Context A pointer to private data registered with the callback function.\r | |
527 | \r | |
528 | @retval EFI_SUCCESS Video BIOS VBT information returned.\r | |
529 | @retval EFI_UNSUPPORTED Could not find VBT information (*VBiosVbtPtr = NULL).\r | |
530 | \r | |
531 | **/\r | |
532 | EFI_STATUS\r | |
533 | GetVBiosVbtCallback (\r | |
534 | IN EFI_EVENT Event,\r | |
535 | IN VOID *Context\r | |
536 | )\r | |
537 | {\r | |
538 | INTEL_VBIOS_PCIR_STRUCTURE *PcirBlockPtr;\r | |
539 | UINT16 PciVenderId;\r | |
540 | UINT16 PciDeviceId;\r | |
541 | INTEL_VBIOS_OPTION_ROM_HEADER *VBiosPtr;\r | |
542 | VBIOS_VBT_STRUCTURE *VBiosVbtPtr;\r | |
543 | VBIOS_VBT_STRUCTURE *VbtFileBuffer = NULL;\r | |
544 | \r | |
545 | VBiosPtr = (INTEL_VBIOS_OPTION_ROM_HEADER *)(UINTN)(VBIOS_LOCATION_PRIMARY);\r | |
546 | PcirBlockPtr = (INTEL_VBIOS_PCIR_STRUCTURE *)((UINT8 *)VBiosPtr + VBiosPtr->PcirOffset);\r | |
547 | PciVenderId = PcirBlockPtr->VendorId;\r | |
548 | PciDeviceId = PcirBlockPtr->DeviceId;\r | |
549 | \r | |
550 | //\r | |
551 | // If the video BIOS is not at 0xC0000 or it is not an Intel video BIOS get\r | |
552 | // the integrated Intel video BIOS (must be uncompressed).\r | |
553 | //\r | |
554 | if ((VBiosPtr->Signature != OPTION_ROM_SIGNATURE) || (PciVenderId != IGD_VID) || (PciDeviceId != IGD_DID_VLV)) {\r | |
555 | GetIntegratedIntelVBiosPtr (&VBiosPtr);\r | |
556 | \r | |
557 | if(VBiosPtr) {\r | |
558 | //\r | |
559 | // Video BIOS found.\r | |
560 | //\r | |
561 | PcirBlockPtr = (INTEL_VBIOS_PCIR_STRUCTURE *)((UINT8 *)VBiosPtr + VBiosPtr->PcirOffset);\r | |
562 | PciVenderId = PcirBlockPtr->VendorId;\r | |
563 | if( (VBiosPtr->Signature != OPTION_ROM_SIGNATURE) || (PciVenderId != IGD_VID)) {\r | |
564 | //\r | |
565 | // Intel video BIOS not found.\r | |
566 | //\r | |
567 | VBiosVbtPtr = NULL;\r | |
568 | return EFI_UNSUPPORTED;\r | |
569 | }\r | |
570 | } else {\r | |
571 | //\r | |
572 | // No Video BIOS found, try to get VBT from FV.\r | |
573 | //\r | |
574 | GetIntegratedIntelVbtPtr (&VbtFileBuffer);\r | |
575 | if (VbtFileBuffer != NULL) {\r | |
576 | //\r | |
577 | // Video BIOS not found, use VBT from FV\r | |
578 | //\r | |
579 | DEBUG ((EFI_D_ERROR, "VBT data found\n"));\r | |
580 | (gBS->CopyMem) (\r | |
581 | mIgdOpRegion.OpRegion->VBT.GVD1,\r | |
582 | VbtFileBuffer,\r | |
583 | VbtFileBuffer->HeaderVbtSize\r | |
584 | );\r | |
585 | FreePool (VbtFileBuffer);\r | |
586 | return EFI_SUCCESS;\r | |
587 | }\r | |
588 | }\r | |
589 | if ((VBiosPtr == NULL) ) {\r | |
590 | //\r | |
591 | // Intel video BIOS not found.\r | |
592 | //\r | |
593 | VBiosVbtPtr = NULL;\r | |
594 | return EFI_UNSUPPORTED;\r | |
595 | }\r | |
596 | }\r | |
597 | \r | |
598 | DEBUG ((EFI_D_ERROR, "VBIOS found at 0x%X\n", VBiosPtr));\r | |
599 | VBiosVbtPtr = (VBIOS_VBT_STRUCTURE *) ((UINT8 *) VBiosPtr + VBiosPtr->VbtOffset);\r | |
600 | \r | |
601 | if ((*((UINT32 *) (VBiosVbtPtr->HeaderSignature))) != VBT_SIGNATURE) {\r | |
602 | return EFI_UNSUPPORTED;\r | |
603 | }\r | |
604 | \r | |
605 | //\r | |
606 | // Initialize Video BIOS version with its build number.\r | |
607 | //\r | |
608 | mIgdOpRegion.OpRegion->Header.VVER[0] = VBiosVbtPtr->CoreBlockBiosBuild[0];\r | |
609 | mIgdOpRegion.OpRegion->Header.VVER[1] = VBiosVbtPtr->CoreBlockBiosBuild[1];\r | |
610 | mIgdOpRegion.OpRegion->Header.VVER[2] = VBiosVbtPtr->CoreBlockBiosBuild[2];\r | |
611 | mIgdOpRegion.OpRegion->Header.VVER[3] = VBiosVbtPtr->CoreBlockBiosBuild[3];\r | |
612 | (gBS->CopyMem) (\r | |
613 | mIgdOpRegion.OpRegion->VBT.GVD1,\r | |
614 | VBiosVbtPtr,\r | |
615 | VBiosVbtPtr->HeaderVbtSize\r | |
616 | );\r | |
617 | \r | |
618 | //\r | |
619 | // Return final status\r | |
620 | //\r | |
621 | return EFI_SUCCESS;\r | |
622 | }\r | |
623 | \r | |
624 | /**\r | |
625 | Graphics OpRegion / Software SCI driver installation function.\r | |
626 | \r | |
627 | @param ImageHandle Handle for this drivers loaded image protocol.\r | |
628 | @param SystemTable EFI system table.\r | |
629 | \r | |
630 | @retval EFI_SUCCESS The driver installed without error.\r | |
631 | @retval EFI_ABORTED The driver encountered an error and could not complete\r | |
632 | installation of the ACPI tables.\r | |
633 | \r | |
634 | **/\r | |
635 | EFI_STATUS\r | |
636 | IgdOpRegionInit (\r | |
637 | void\r | |
638 | )\r | |
639 | {\r | |
640 | EFI_HANDLE Handle;\r | |
641 | EFI_STATUS Status;\r | |
642 | EFI_GLOBAL_NVS_AREA_PROTOCOL *GlobalNvsArea;\r | |
643 | UINT32 DwordData;\r | |
644 | EFI_CPU_IO_PROTOCOL *CpuIo;\r | |
645 | UINT16 Data16;\r | |
646 | UINT16 AcpiBase;\r | |
647 | VOID *gConOutNotifyReg;\r | |
648 | \r | |
649 | \r | |
650 | //\r | |
651 | // Locate the Global NVS Protocol.\r | |
652 | //\r | |
653 | Status = gBS->LocateProtocol (\r | |
654 | &gEfiGlobalNvsAreaProtocolGuid,\r | |
655 | NULL,\r | |
656 | (void **)&GlobalNvsArea\r | |
657 | );\r | |
658 | ASSERT_EFI_ERROR (Status);\r | |
659 | \r | |
660 | //\r | |
661 | // Allocate an ACPI NVS memory buffer as the IGD OpRegion, zero initialize\r | |
662 | // the first 1K, and set the IGD OpRegion pointer in the Global NVS\r | |
663 | // area structure.\r | |
664 | //\r | |
665 | Status = (gBS->AllocatePool) (\r | |
666 | EfiACPIMemoryNVS,\r | |
667 | sizeof (IGD_OPREGION_STRUC),\r | |
668 | (void **)&mIgdOpRegion.OpRegion\r | |
669 | );\r | |
670 | ASSERT_EFI_ERROR (Status);\r | |
671 | (gBS->SetMem) (\r | |
672 | mIgdOpRegion.OpRegion,\r | |
673 | sizeof (IGD_OPREGION_STRUC),\r | |
674 | 0\r | |
675 | );\r | |
676 | GlobalNvsArea->Area->IgdOpRegionAddress = (UINT32)(UINTN)(mIgdOpRegion.OpRegion);\r | |
677 | \r | |
678 | //\r | |
679 | // If IGD is disabled return\r | |
680 | //\r | |
681 | if (IgdMmPci32 (0) == 0xFFFFFFFF) {\r | |
682 | return EFI_SUCCESS;\r | |
683 | }\r | |
684 | \r | |
685 | //\r | |
686 | // Initialize OpRegion Header\r | |
687 | //\r | |
688 | \r | |
689 | (gBS->CopyMem) (\r | |
690 | mIgdOpRegion.OpRegion->Header.SIGN,\r | |
691 | HEADER_SIGNATURE,\r | |
692 | sizeof(HEADER_SIGNATURE)\r | |
693 | );\r | |
694 | \r | |
695 | \r | |
696 | //\r | |
697 | // Set OpRegion Size in KBs\r | |
698 | //\r | |
699 | mIgdOpRegion.OpRegion->Header.SIZE = HEADER_SIZE/1024;\r | |
700 | \r | |
701 | //\r | |
702 | // FIXME: Need to check Header OVER Field and the supported version.\r | |
703 | //\r | |
704 | mIgdOpRegion.OpRegion->Header.OVER = (UINT32) (LShiftU64 (HEADER_OPREGION_VER, 16) + LShiftU64 (HEADER_OPREGION_REV, 8));\r | |
705 | #ifdef ECP_FLAG\r | |
706 | CopyMem(mIgdOpRegion.OpRegion->Header.SVER, gSVER, sizeof(gSVER));\r | |
707 | #else\r | |
708 | gBS->CopyMem(\r | |
709 | mIgdOpRegion.OpRegion->Header.SVER,\r | |
710 | gSVER,\r | |
711 | sizeof(gSVER)\r | |
712 | );\r | |
713 | #endif\r | |
714 | DEBUG ((EFI_D_ERROR, "System BIOS ID is %a\n", mIgdOpRegion.OpRegion->Header.SVER));\r | |
715 | \r | |
716 | \r | |
717 | mIgdOpRegion.OpRegion->Header.MBOX = HEADER_MBOX_SUPPORT;\r | |
718 | \r | |
719 | if( 1 == DxePlatformSaPolicy->IdleReserve) {\r | |
720 | mIgdOpRegion.OpRegion->Header.PCON = (mIgdOpRegion.OpRegion->Header.PCON & 0xFFFC) | BIT1;\r | |
721 | } else {\r | |
722 | mIgdOpRegion.OpRegion->Header.PCON = (mIgdOpRegion.OpRegion->Header.PCON & 0xFFFC) | (BIT1 | BIT0);\r | |
723 | }\r | |
724 | \r | |
725 | //\r | |
726 | //For graphics driver to identify if LPE Audio/HD Audio is enabled on the platform\r | |
727 | //\r | |
728 | mIgdOpRegion.OpRegion->Header.PCON &= AUDIO_TYPE_SUPPORT_MASK;\r | |
729 | mIgdOpRegion.OpRegion->Header.PCON &= AUDIO_TYPE_FIELD_MASK;\r | |
730 | if ( 1 == DxePlatformSaPolicy->AudioTypeSupport ) {\r | |
731 | mIgdOpRegion.OpRegion->Header.PCON = HD_AUDIO_SUPPORT;\r | |
732 | mIgdOpRegion.OpRegion->Header.PCON |= AUDIO_TYPE_FIELD_VALID;\r | |
733 | }\r | |
734 | \r | |
735 | //\r | |
736 | // Initialize OpRegion Mailbox 1 (Public ACPI Methods).\r | |
737 | //\r | |
738 | //<TODO> The initial setting of mailbox 1 fields is implementation specific.\r | |
739 | // Adjust them as needed many even coming from user setting in setup.\r | |
740 | //\r | |
741 | //Workaround to solve LVDS is off after entering OS in desktop platform\r | |
742 | //\r | |
743 | mIgdOpRegion.OpRegion->MBox1.CLID = DxePlatformSaPolicy->IgdPanelFeatures.LidStatus;\r | |
744 | \r | |
745 | //\r | |
746 | // Initialize OpRegion Mailbox 3 (ASLE Interrupt and Power Conservation).\r | |
747 | //\r | |
748 | //<TODO> The initial setting of mailbox 3 fields is implementation specific.\r | |
749 | // Adjust them as needed many even coming from user setting in setup.\r | |
750 | //\r | |
751 | \r | |
752 | //\r | |
753 | // Do not initialize TCHE. This field is written by the graphics driver only.\r | |
754 | //\r | |
755 | \r | |
756 | //\r | |
757 | // The ALSI field is generally initialized by ASL code by reading the embedded controller.\r | |
758 | //\r | |
759 | \r | |
760 | mIgdOpRegion.OpRegion->MBox3.BCLP = BACKLIGHT_BRIGHTNESS;\r | |
761 | \r | |
762 | mIgdOpRegion.OpRegion->MBox3.PFIT = (FIELD_VALID_BIT | PFIT_STRETCH);\r | |
763 | if ( DxePlatformSaPolicy->IgdPanelFeatures.PFITStatus == 2) {\r | |
764 | //\r | |
765 | // Center\r | |
766 | //\r | |
767 | mIgdOpRegion.OpRegion->MBox3.PFIT = (FIELD_VALID_BIT | PFIT_CENTER);\r | |
768 | } else if (DxePlatformSaPolicy->IgdPanelFeatures.PFITStatus == 1) {\r | |
769 | //\r | |
770 | // Stretch\r | |
771 | //\r | |
772 | mIgdOpRegion.OpRegion->MBox3.PFIT = (FIELD_VALID_BIT | PFIT_STRETCH);\r | |
773 | } else {\r | |
774 | //\r | |
775 | // Auto\r | |
776 | //\r | |
777 | mIgdOpRegion.OpRegion->MBox3.PFIT = (FIELD_VALID_BIT | PFIT_SETUP_AUTO);\r | |
778 | }\r | |
779 | \r | |
780 | //\r | |
781 | // Set Initial current Brightness\r | |
782 | //\r | |
783 | mIgdOpRegion.OpRegion->MBox3.CBLV = (INIT_BRIGHT_LEVEL | FIELD_VALID_BIT);\r | |
784 | \r | |
785 | //\r | |
786 | // <EXAMPLE> Create a static Backlight Brightness Level Duty cycle Mapping Table\r | |
787 | // Possible 20 entries (example used 10), each 16 bits as follows:\r | |
788 | // [15] = Field Valid bit, [14:08] = Level in Percentage (0-64h), [07:00] = Desired duty cycle (0 - FFh).\r | |
789 | //\r | |
790 | // % Brightness\r | |
791 | mIgdOpRegion.OpRegion->MBox3.BCLM[0] = ( ( 0 << 8 ) + ( 0xFF - 0xFC ) + WORD_FIELD_VALID_BIT);\r | |
792 | mIgdOpRegion.OpRegion->MBox3.BCLM[1] = ( ( 1 << 8 ) + ( 0xFF - 0xFC ) + WORD_FIELD_VALID_BIT);\r | |
793 | mIgdOpRegion.OpRegion->MBox3.BCLM[2] = ( ( 10 << 8 ) + ( 0xFF - 0xE5 ) + WORD_FIELD_VALID_BIT);\r | |
794 | mIgdOpRegion.OpRegion->MBox3.BCLM[3] = ( ( 19 << 8 ) + ( 0xFF - 0xCE ) + WORD_FIELD_VALID_BIT);\r | |
795 | mIgdOpRegion.OpRegion->MBox3.BCLM[4] = ( ( 28 << 8 ) + ( 0xFF - 0xB7 ) + WORD_FIELD_VALID_BIT);\r | |
796 | mIgdOpRegion.OpRegion->MBox3.BCLM[5] = ( ( 37 << 8 ) + ( 0xFF - 0xA0 ) + WORD_FIELD_VALID_BIT);\r | |
797 | mIgdOpRegion.OpRegion->MBox3.BCLM[6] = ( ( 46 << 8 ) + ( 0xFF - 0x89 ) + WORD_FIELD_VALID_BIT);\r | |
798 | mIgdOpRegion.OpRegion->MBox3.BCLM[7] = ( ( 55 << 8 ) + ( 0xFF - 0x72 ) + WORD_FIELD_VALID_BIT);\r | |
799 | mIgdOpRegion.OpRegion->MBox3.BCLM[8] = ( ( 64 << 8 ) + ( 0xFF - 0x5B ) + WORD_FIELD_VALID_BIT);\r | |
800 | mIgdOpRegion.OpRegion->MBox3.BCLM[9] = ( ( 73 << 8 ) + ( 0xFF - 0x44 ) + WORD_FIELD_VALID_BIT);\r | |
801 | mIgdOpRegion.OpRegion->MBox3.BCLM[10] = ( ( 82 << 8 ) + ( 0xFF - 0x2D ) + WORD_FIELD_VALID_BIT);\r | |
802 | mIgdOpRegion.OpRegion->MBox3.BCLM[11] = ( ( 91 << 8 ) + ( 0xFF - 0x16 ) + WORD_FIELD_VALID_BIT);\r | |
803 | mIgdOpRegion.OpRegion->MBox3.BCLM[12] = ( (100 << 8 ) + ( 0xFF - 0x00 ) + WORD_FIELD_VALID_BIT);\r | |
804 | \r | |
805 | mIgdOpRegion.OpRegion->MBox3.PCFT = ((UINT32) GlobalNvsArea->Area->IgdPowerConservation) | BIT31;\r | |
806 | //\r | |
807 | // Create the notification and register callback function on the PciIo installation,\r | |
808 | //\r | |
809 | //\r | |
810 | Status = gBS->CreateEvent (\r | |
811 | EVT_NOTIFY_SIGNAL,\r | |
812 | TPL_CALLBACK,\r | |
813 | (EFI_EVENT_NOTIFY)GetVBiosVbtCallback,\r | |
814 | NULL,\r | |
815 | &mConOutEvent\r | |
816 | );\r | |
817 | \r | |
818 | ASSERT_EFI_ERROR (Status);\r | |
819 | if (EFI_ERROR (Status)) {\r | |
820 | return Status;\r | |
821 | \r | |
822 | }\r | |
823 | \r | |
824 | Status = gBS->RegisterProtocolNotify (\r | |
825 | #ifdef ECP_FLAG\r | |
826 | &gExitPmAuthProtocolGuid,\r | |
827 | #else\r | |
828 | &gEfiDxeSmmReadyToLockProtocolGuid,\r | |
829 | #endif\r | |
830 | mConOutEvent,\r | |
831 | &gConOutNotifyReg\r | |
832 | );\r | |
833 | \r | |
834 | Status = gBS->CreateEvent (\r | |
835 | EVT_NOTIFY_SIGNAL,\r | |
836 | TPL_CALLBACK,\r | |
837 | (EFI_EVENT_NOTIFY)SetGOPVersionCallback,\r | |
838 | NULL,\r | |
839 | &mSetGOPverEvent\r | |
840 | );\r | |
841 | \r | |
842 | ASSERT_EFI_ERROR (Status);\r | |
843 | if (EFI_ERROR (Status)) {\r | |
844 | return Status;\r | |
845 | }\r | |
846 | \r | |
847 | Status = gBS->RegisterProtocolNotify (\r | |
848 | &gEfiGraphicsOutputProtocolGuid,\r | |
849 | mSetGOPverEvent,\r | |
850 | &gConOutNotifyReg\r | |
851 | );\r | |
852 | \r | |
853 | \r | |
854 | //\r | |
855 | // Initialize hardware state:\r | |
856 | // Set ASLS Register to the OpRegion physical memory address.\r | |
857 | // Set SWSCI register bit 15 to a "1" to activate SCI interrupts.\r | |
858 | //\r | |
859 | \r | |
860 | IgdMmPci32 (IGD_ASLS_OFFSET) = (UINT32)(UINTN)(mIgdOpRegion.OpRegion);\r | |
861 | IgdMmPci16AndThenOr (IGD_SWSCI_OFFSET, ~(BIT0), BIT15);\r | |
862 | \r | |
863 | DwordData = IgdMmPci32 (IGD_ASLS_OFFSET);\r | |
864 | S3BootScriptSavePciCfgWrite (\r | |
865 | S3BootScriptWidthUint32,\r | |
866 | (UINTN) (EFI_PCI_ADDRESS (IGD_BUS, IGD_DEV, IGD_FUN_0, IGD_ASLS_OFFSET)),\r | |
867 | 1,\r | |
868 | &DwordData\r | |
869 | );\r | |
870 | \r | |
871 | \r | |
872 | DwordData = IgdMmPci32 (IGD_SWSCI_OFFSET);\r | |
873 | S3BootScriptSavePciCfgWrite (\r | |
874 | S3BootScriptWidthUint32,\r | |
875 | (UINTN) (EFI_PCI_ADDRESS (IGD_BUS, IGD_DEV, IGD_FUN_0, IGD_SWSCI_OFFSET)),\r | |
876 | 1,\r | |
877 | &DwordData\r | |
878 | );\r | |
879 | \r | |
880 | AcpiBase = MmPci16 (\r | |
881 | 0,\r | |
882 | DEFAULT_PCI_BUS_NUMBER_PCH,\r | |
883 | PCI_DEVICE_NUMBER_PCH_LPC,\r | |
884 | PCI_FUNCTION_NUMBER_PCH_LPC,\r | |
885 | R_PCH_LPC_ACPI_BASE\r | |
886 | ) & B_PCH_LPC_ACPI_BASE_BAR;\r | |
887 | \r | |
888 | //\r | |
889 | // Find the CPU I/O Protocol. ASSERT if not found.\r | |
890 | //\r | |
891 | Status = gBS->LocateProtocol (\r | |
892 | &gEfiCpuIoProtocolGuid,\r | |
893 | NULL,\r | |
894 | (void **)&CpuIo\r | |
895 | );\r | |
896 | ASSERT_EFI_ERROR (Status);\r | |
897 | \r | |
898 | CpuIo->Io.Read (\r | |
899 | CpuIo,\r | |
900 | EfiCpuIoWidthUint16,\r | |
901 | AcpiBase + R_PCH_ACPI_GPE0a_STS,\r | |
902 | 1,\r | |
903 | &Data16\r | |
904 | );\r | |
905 | //\r | |
906 | // Clear the B_PCH_ACPI_GPE0a_STS_GUNIT_SCI bit in R_PCH_ACPI_GPE0a_STS by writing a '1'.\r | |
907 | //\r | |
908 | Data16 |= B_PCH_ACPI_GPE0a_STS_GUNIT_SCI;\r | |
909 | \r | |
910 | CpuIo->Io.Write (\r | |
911 | CpuIo,\r | |
912 | EfiCpuIoWidthUint16,\r | |
913 | AcpiBase + R_PCH_ACPI_GPE0a_STS,\r | |
914 | 1,\r | |
915 | &Data16\r | |
916 | );\r | |
917 | \r | |
918 | //\r | |
919 | // Install OpRegion / Software SCI protocol\r | |
920 | //\r | |
921 | Handle = NULL;\r | |
922 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
923 | &Handle,\r | |
924 | &gIgdOpRegionProtocolGuid,\r | |
925 | &mIgdOpRegion,\r | |
926 | NULL\r | |
927 | );\r | |
928 | ASSERT_EFI_ERROR (Status);\r | |
929 | \r | |
930 | //\r | |
931 | // Return final status\r | |
932 | //\r | |
933 | return EFI_SUCCESS;\r | |
934 | }\r |