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[mirror_edk2.git] / CorebootModulePkg / Library / CbParseLib / CbParseLib.c
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fce4ecd9
MM		 1/** @file\r
2 This library will parse the coreboot table in memory and extract those required\r
3 information.\r
4\r
5 Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r
6 This program and the accompanying materials\r
7 are licensed and made available under the terms and conditions of the BSD License\r
8 which accompanies this distribution. The full text of the license may be found at\r
9 http://opensource.org/licenses/bsd-license.php\r
10\r
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
13\r
14**/\r
15\r
16#include <Uefi/UefiBaseType.h>\r
17#include <Library/BaseLib.h>\r
18#include <Library/BaseMemoryLib.h>\r
19#include <Library/DebugLib.h>\r
20#include <Library/PcdLib.h>\r
21#include <Library/CbParseLib.h>\r
22\r
23#include <IndustryStandard/Acpi.h>\r
24\r
25#include "Coreboot.h"\r
26\r
27/* Helpful inlines */\r
28\r
29static UINT64 cb_unpack64(struct cbuint64 val)\r
30{\r
5451fff4 31 return LShiftU64 (val.hi, 32) | val.lo;\r
fce4ecd9
MM		 32}\r
33\r
fce4ecd9
MM		 34UINT16\r
35CbCheckSum16 (\r
36 IN UINT16 *Buffer,\r
37 IN UINTN Length\r
38 )\r
39{\r
40 UINT32 Sum, TmpValue;\r
41 UINTN Idx;\r
42 UINT8 *TmpPtr;\r
43 \r
44 Sum = 0;\r
45 TmpPtr = (UINT8 *)Buffer;\r
46 for(Idx = 0; Idx < Length; Idx++) {\r
47 TmpValue = TmpPtr[Idx];\r
48 if (Idx % 2 == 1) {\r
49 TmpValue <<= 8;\r
50 }\r
51 \r
52 Sum += TmpValue;\r
53 \r
54 // Wrap\r
55 if (Sum >= 0x10000) {\r
56 Sum = (Sum + (Sum >> 16)) & 0xFFFF;\r
57 }\r
58 }\r
59 \r
60 return (UINT16)((~Sum) & 0xFFFF); \r
61}\r
62\r
63VOID *\r
64FindCbTag (\r
65 IN VOID *Start,\r
66 IN UINT32 Tag\r
67 )\r
68{\r
69 struct cb_header *Header;\r
70 struct cb_record *Record;\r
71 UINT8 *TmpPtr; \r
72 UINT8 *TagPtr; \r
73 UINTN Idx; \r
74 UINT16 CheckSum;\r
75 \r
76 Header = NULL;\r
77 TmpPtr = (UINT8 *)Start;\r
78 for (Idx = 0; Idx < 4096; Idx += 16, TmpPtr += 16) {\r
79 Header = (struct cb_header *)TmpPtr;\r
80 if (Header->signature == CB_HEADER_SIGNATURE) {\r
81 break;\r
82 }\r
83 }\r
84 \r
85 if (Idx >= 4096)\r
86 return NULL;\r
87 \r
88 if (Header == NULL || !Header->table_bytes)\r
89 return NULL;\r
90 \r
91 //\r
92 // Check the checksum of the coreboot table header\r
93 //\r
94 CheckSum = CbCheckSum16 ((UINT16 *)Header, sizeof (*Header));\r
95 if (CheckSum != 0) {\r
96 DEBUG ((EFI_D_ERROR, "Invalid coreboot table header checksum\n"));\r
97 return NULL;\r
98 } \r
99 \r
100 CheckSum = CbCheckSum16 ((UINT16 *)(TmpPtr + sizeof (*Header)), Header->table_bytes);\r
101 if (CheckSum != Header->table_checksum) {\r
102 DEBUG ((EFI_D_ERROR, "Incorrect checksum of all the coreboot table entries\n"));\r
103 return NULL;\r
104 }\r
105 \r
106 TagPtr = NULL;\r
107 TmpPtr += Header->header_bytes;\r
108 for (Idx = 0; Idx < Header->table_entries; Idx++) {\r
109 Record = (struct cb_record *)TmpPtr; \r
110 if (Record->tag == CB_TAG_FORWARD) {\r
111 TmpPtr = (VOID *)(UINTN)((struct cb_forward *)(UINTN)Record)->forward;\r
112 if (Tag == CB_TAG_FORWARD)\r
113 return TmpPtr;\r
114 else \r
115 return FindCbTag (TmpPtr, Tag);\r
116 } \r
117 if (Record->tag == Tag) {\r
118 TagPtr = TmpPtr;\r
119 break;\r
120 }\r
121 TmpPtr += Record->size; \r
122 }\r
123 \r
124 return TagPtr;\r
125}\r
126\r
127RETURN_STATUS\r
128FindCbMemTable ( \r
129 struct cbmem_root *root,\r
130 IN UINT32 TableId, \r
131 IN VOID** pMemTable,\r
132 IN UINT32* pMemTableSize\r
133)\r
134{ \r
135 UINTN Idx;\r
136 \r
137 if ((!root) || (!pMemTable))\r
138 return RETURN_INVALID_PARAMETER;\r
139 \r
140 for (Idx = 0; Idx < root->num_entries; Idx++) {\r
141 if (root->entries[Idx].id == TableId) {\r
142 *pMemTable = (VOID *) (UINTN)root->entries[Idx].start;\r
143 if (pMemTableSize)\r
144 *pMemTableSize = root->entries[Idx].size;\r
145 \r
42e548a8 146 DEBUG ((EFI_D_ERROR, "Find CbMemTable Id 0x%x, base %p, size 0x%x\n", TableId, *pMemTable, *pMemTableSize));\r
fce4ecd9
MM		 147 return RETURN_SUCCESS;\r
148 }\r
149 }\r
150 \r
151 return RETURN_NOT_FOUND; \r
152}\r
153\r
154\r
155/**\r
156 Acquire the memory information from the coreboot table in memory.\r
157\r
158 @param pLowMemorySize Pointer to the variable of low memory size\r
159 @param pHighMemorySize Pointer to the variable of high memory size\r
160\r
161 @retval RETURN_SUCCESS Successfully find out the memory information.\r
162 @retval RETURN_INVALID_PARAMETER Invalid input parameters.\r
163 @retval RETURN_NOT_FOUND Failed to find the memory information.\r
164\r
165**/\r
166RETURN_STATUS\r
167CbParseMemoryInfo (\r
168 IN UINT64* pLowMemorySize,\r
169 IN UINT64* pHighMemorySize\r
170 )\r
171{\r
172 struct cb_memory* rec;\r
173 struct cb_memory_range* Range;\r
174 UINT64 Start;\r
175 UINT64 Size;\r
176 UINTN Index;\r
177 \r
178 if ((!pLowMemorySize) || (!pHighMemorySize))\r
179 return RETURN_INVALID_PARAMETER;\r
180 \r
181 //\r
182 // Get the coreboot memory table\r
183 //\r
184 rec = (struct cb_memory *)FindCbTag (0, CB_TAG_MEMORY);\r
185 if (!rec) \r
186 rec = (struct cb_memory *)FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_MEMORY);\r
187 \r
188 if (!rec) \r
189 return RETURN_NOT_FOUND;\r
190 \r
191 *pLowMemorySize = 0;\r
192 *pHighMemorySize = 0;\r
193 \r
194 for (Index = 0; Index < MEM_RANGE_COUNT(rec); Index++) {\r
195 Range = MEM_RANGE_PTR(rec, Index); \r
196 Start = cb_unpack64(Range->start);\r
197 Size = cb_unpack64(Range->size);\r
198 DEBUG ((EFI_D_ERROR, "%d. %016lx - %016lx [%02x]\n",\r
199 Index, Start, Start + Size - 1, Range->type));\r
200 \r
201 if (Range->type != CB_MEM_RAM) {\r
202 continue;\r
203 }\r
204 \r
205 if (Start + Size < 0x100000000ULL) {\r
206 *pLowMemorySize = Start + Size;\r
207 } else { \r
208 *pHighMemorySize = Start + Size - 0x100000000ULL;\r
209 }\r
210 }\r
211 \r
42e548a8 212 DEBUG ((EFI_D_ERROR, "Low memory 0x%lx, High Memory 0x%lx\n", *pLowMemorySize, *pHighMemorySize));\r
fce4ecd9
MM		 213 \r
214 return RETURN_SUCCESS; \r
215}\r
216\r
217\r
218/**\r
219 Acquire the coreboot memory table with the given table id\r
220\r
221 @param TableId Table id to be searched\r
222 @param pMemTable Pointer to the base address of the memory table\r
223 @param pMemTableSize Pointer to the size of the memory table\r
224\r
225 @retval RETURN_SUCCESS Successfully find out the memory table.\r
226 @retval RETURN_INVALID_PARAMETER Invalid input parameters.\r
227 @retval RETURN_NOT_FOUND Failed to find the memory table.\r
228\r
229**/\r
230RETURN_STATUS\r
231CbParseCbMemTable (\r
232 IN UINT32 TableId, \r
233 IN VOID** pMemTable,\r
234 IN UINT32* pMemTableSize\r
235 )\r
236{\r
237 struct cb_memory* rec;\r
238 struct cb_memory_range* Range;\r
239 UINT64 Start;\r
240 UINT64 Size;\r
241 UINTN Index;\r
242 \r
243 if (!pMemTable)\r
244 return RETURN_INVALID_PARAMETER;\r
245 \r
246 *pMemTable = NULL;\r
247 \r
248 //\r
249 // Get the coreboot memory table\r
250 //\r
251 rec = (struct cb_memory *)FindCbTag (0, CB_TAG_MEMORY);\r
252 if (!rec)\r
253 rec = (struct cb_memory *)FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_MEMORY);\r
254 \r
255 if (!rec)\r
256 return RETURN_NOT_FOUND;\r
257 \r
258 for (Index = 0; Index < MEM_RANGE_COUNT(rec); Index++) {\r
259 Range = MEM_RANGE_PTR(rec, Index); \r
260 Start = cb_unpack64(Range->start);\r
261 Size = cb_unpack64(Range->size);\r
262 \r
263 if ((Range->type == CB_MEM_TABLE) && (Start > 0x1000)) {\r
264 if (FindCbMemTable ((struct cbmem_root *)(UINTN)(Start + Size - DYN_CBMEM_ALIGN_SIZE), TableId, pMemTable, pMemTableSize) == RETURN_SUCCESS)\r
265 return RETURN_SUCCESS;\r
266 }\r
267 }\r
268 \r
269 return RETURN_NOT_FOUND;\r
270}\r
271\r
272\r
273/**\r
274 Acquire the acpi table from coreboot\r
275\r
276 @param pMemTable Pointer to the base address of the memory table\r
277 @param pMemTableSize Pointer to the size of the memory table\r
278\r
279 @retval RETURN_SUCCESS Successfully find out the memory table.\r
280 @retval RETURN_INVALID_PARAMETER Invalid input parameters.\r
281 @retval RETURN_NOT_FOUND Failed to find the memory table.\r
282\r
283**/\r
284RETURN_STATUS\r
285CbParseAcpiTable (\r
3b17ae9e 286 IN VOID* pMemTable,\r
fce4ecd9
MM		 287 IN UINT32* pMemTableSize\r
288 )\r
289{\r
3b17ae9e 290 return CbParseCbMemTable (SIGNATURE_32 ('I', 'P', 'C', 'A'), (VOID **)pMemTable, pMemTableSize); \r
fce4ecd9
MM		 291}\r
292\r
293/**\r
294 Acquire the smbios table from coreboot\r
295\r
296 @param pMemTable Pointer to the base address of the memory table\r
297 @param pMemTableSize Pointer to the size of the memory table\r
298\r
299 @retval RETURN_SUCCESS Successfully find out the memory table.\r
300 @retval RETURN_INVALID_PARAMETER Invalid input parameters.\r
301 @retval RETURN_NOT_FOUND Failed to find the memory table.\r
302\r
303**/\r
304RETURN_STATUS\r
305CbParseSmbiosTable (\r
306 IN VOID** pMemTable,\r
307 IN UINT32* pMemTableSize\r
308 )\r
309{\r
310 return CbParseCbMemTable (SIGNATURE_32 ('T', 'B', 'M', 'S'), pMemTable, pMemTableSize); \r
311}\r
312\r
313/**\r
314 Find the required fadt information\r
315\r
316 @param pPmCtrlReg Pointer to the address of power management control register\r
317 @param pPmTimerReg Pointer to the address of power management timer register\r
318 @param pResetReg Pointer to the address of system reset register\r
319 @param pResetValue Pointer to the value to be writen to the system reset register\r
320\r
321 @retval RETURN_SUCCESS Successfully find out all the required fadt information.\r
322 @retval RETURN_NOT_FOUND Failed to find the fadt table.\r
323\r
324**/\r
325RETURN_STATUS\r
326CbParseFadtInfo (\r
327 IN UINTN* pPmCtrlReg,\r
328 IN UINTN* pPmTimerReg,\r
329 IN UINTN* pResetReg,\r
330 IN UINTN* pResetValue\r
331 )\r
332{\r
333 EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER* Rsdp;\r
334 EFI_ACPI_DESCRIPTION_HEADER* Rsdt;\r
335 UINT32* Entry32;\r
336 UINTN Entry32Num;\r
337 EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE* Fadt;\r
338 EFI_ACPI_DESCRIPTION_HEADER* Xsdt; \r
339 UINT64* Entry64;\r
340 UINTN Entry64Num;\r
341 UINTN Idx;\r
342 RETURN_STATUS Status;\r
343 \r
344 Rsdp = NULL;\r
345 Status = RETURN_SUCCESS;\r
346 \r
347 Status = CbParseAcpiTable (&Rsdp, NULL);\r
348 if (RETURN_ERROR(Status))\r
349 return Status;\r
350 \r
351 if (!Rsdp)\r
352 return RETURN_NOT_FOUND;\r
353 \r
42e548a8
SD		 354 DEBUG ((EFI_D_ERROR, "Find Rsdp at %p\n", Rsdp));\r
355 DEBUG ((EFI_D_ERROR, "Find Rsdt 0x%x, Xsdt 0x%lx\n", Rsdp->RsdtAddress, Rsdp->XsdtAddress));\r
fce4ecd9
MM		 356 \r
357 //\r
358 // Search Rsdt First\r
359 //\r
360 Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)(Rsdp->RsdtAddress); \r
361 if (Rsdt != NULL) {\r
362 Entry32 = (UINT32 *)(Rsdt + 1);\r
363 Entry32Num = (Rsdt->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER)) >> 2;\r
364 for (Idx = 0; Idx < Entry32Num; Idx++) {\r
365 if (*(UINT32 *)(UINTN)(Entry32[Idx]) == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r
366 Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN)(Entry32[Idx]); \r
367 if (pPmCtrlReg)\r
368 *pPmCtrlReg = Fadt->Pm1aCntBlk; \r
369 DEBUG ((EFI_D_ERROR, "PmCtrl Reg 0x%x\n", Fadt->Pm1aCntBlk));\r
370 \r
371 if (pPmTimerReg) \r
372 *pPmTimerReg = Fadt->PmTmrBlk; \r
373 DEBUG ((EFI_D_ERROR, "PmTimer Reg 0x%x\n", Fadt->PmTmrBlk));\r
374 \r
375 if (pResetReg) \r
376 *pResetReg = (UINTN)Fadt->ResetReg.Address; \r
42e548a8 377 DEBUG ((EFI_D_ERROR, "Reset Reg 0x%lx\n", Fadt->ResetReg.Address));\r
fce4ecd9
MM		 378 \r
379 if (pResetValue) \r
380 *pResetValue = Fadt->ResetValue;\r
381 DEBUG ((EFI_D_ERROR, "Reset Value 0x%x\n", Fadt->ResetValue));\r
382 \r
383 return RETURN_SUCCESS; \r
384 }\r
385 }\r
386 }\r
387 \r
388 //\r
389 // Search Xsdt Second\r
390 //\r
391 Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)(Rsdp->XsdtAddress); \r
392 if (Xsdt != NULL) {\r
393 Entry64 = (UINT64 *)(Xsdt + 1);\r
394 Entry64Num = (Xsdt->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER)) >> 3;\r
395 for (Idx = 0; Idx < Entry64Num; Idx++) {\r
396 if (*(UINT32 *)(UINTN)(Entry64[Idx]) == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r
397 Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN)(Entry64[Idx]); \r
398 if (pPmCtrlReg)\r
399 *pPmCtrlReg = Fadt->Pm1aCntBlk; \r
400 DEBUG ((EFI_D_ERROR, "PmCtrl Reg 0x%x\n", Fadt->Pm1aCntBlk));\r
401 \r
402 if (pPmTimerReg) \r
403 *pPmTimerReg = Fadt->PmTmrBlk; \r
404 DEBUG ((EFI_D_ERROR, "PmTimer Reg 0x%x\n", Fadt->PmTmrBlk));\r
405 \r
406 if (pResetReg) \r
407 *pResetReg = (UINTN)Fadt->ResetReg.Address; \r
42e548a8 408 DEBUG ((EFI_D_ERROR, "Reset Reg 0x%lx\n", Fadt->ResetReg.Address));\r
fce4ecd9
MM		 409 \r
410 if (pResetValue) \r
411 *pResetValue = Fadt->ResetValue;\r
412 DEBUG ((EFI_D_ERROR, "Reset Value 0x%x\n", Fadt->ResetValue));\r
413 \r
414 return RETURN_SUCCESS; \r
415 }\r
416 }\r
417 } \r
418 \r
419 return RETURN_NOT_FOUND;\r
420}\r
421\r
422/**\r
423 Find the serial port information\r
424\r
425 @param pRegBase Pointer to the base address of serial port registers\r
426 @param pRegAccessType Pointer to the access type of serial port registers\r
427 @param pBaudrate Pointer to the serial port baudrate\r
428\r
429 @retval RETURN_SUCCESS Successfully find the serial port information.\r
430 @retval RETURN_NOT_FOUND Failed to find the serial port information .\r
431\r
432**/\r
433RETURN_STATUS\r
434CbParseSerialInfo (\r
435 IN UINT32* pRegBase,\r
436 IN UINT32* pRegAccessType,\r
437 IN UINT32* pBaudrate\r
438 )\r
439{\r
440 struct cb_serial* CbSerial;\r
441 \r
442 CbSerial = FindCbTag (0, CB_TAG_SERIAL);\r
443 if (!CbSerial)\r
444 CbSerial = FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_SERIAL);\r
445 \r
446 if (!CbSerial)\r
447 return RETURN_NOT_FOUND;\r
448 \r
449 if (pRegBase)\r
450 *pRegBase = CbSerial->baseaddr;\r
451 \r
452 if (pRegAccessType)\r
453 *pRegAccessType = CbSerial->type;\r
454 \r
455 if (pBaudrate)\r
456 *pBaudrate = CbSerial->baud;\r
457 \r
458 return RETURN_SUCCESS;\r
459}\r
460\r
461/**\r
462 Search for the coreboot table header\r
463\r
464 @param Level Level of the search depth\r
465 @param HeaderPtr Pointer to the pointer of coreboot table header\r
466\r
467 @retval RETURN_SUCCESS Successfully find the coreboot table header .\r
468 @retval RETURN_NOT_FOUND Failed to find the coreboot table header .\r
469\r
470**/\r
471RETURN_STATUS\r
472CbParseGetCbHeader (\r
473 IN UINTN Level,\r
474 IN VOID** HeaderPtr\r
475 )\r
476{\r
477 UINTN Index;\r
478 VOID* TempPtr;\r
479 \r
480 if (!HeaderPtr)\r
481 return RETURN_NOT_FOUND;\r
482 \r
483 TempPtr = NULL; \r
484 for (Index = 0; Index < Level; Index++) {\r
485 TempPtr = FindCbTag (TempPtr, CB_TAG_FORWARD);\r
486 if (!TempPtr)\r
487 break; \r
488 }\r
489 \r
490 if ((Index >= Level) && (TempPtr != NULL)) {\r
491 *HeaderPtr = TempPtr;\r
492 return RETURN_SUCCESS;\r
493 }\r
494 \r
495 return RETURN_NOT_FOUND;\r
496}\r
497\r
498/**\r
499 Find the video frame buffer information\r
500\r
501 @param pFbInfo Pointer to the FRAME_BUFFER_INFO structure\r
502\r
503 @retval RETURN_SUCCESS Successfully find the video frame buffer information.\r
504 @retval RETURN_NOT_FOUND Failed to find the video frame buffer information .\r
505\r
506**/\r
507RETURN_STATUS\r
508CbParseFbInfo (\r
509 IN FRAME_BUFFER_INFO* pFbInfo\r
510 )\r
511{\r
512 struct cb_framebuffer* CbFbRec;\r
513 \r
514 if (!pFbInfo)\r
515 return RETURN_INVALID_PARAMETER;\r
516 \r
517 CbFbRec = FindCbTag (0, CB_TAG_FRAMEBUFFER);\r
518 if (!CbFbRec)\r
519 CbFbRec = FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_FRAMEBUFFER);\r
520 \r
521 if (!CbFbRec)\r
522 return RETURN_NOT_FOUND;\r
523 \r
524 DEBUG ((EFI_D_ERROR, "Found coreboot video frame buffer information\n"));\r
42e548a8 525 DEBUG ((EFI_D_ERROR, "physical_address: 0x%lx\n", CbFbRec->physical_address));\r
fce4ecd9
MM		 526 DEBUG ((EFI_D_ERROR, "x_resolution: 0x%x\n", CbFbRec->x_resolution));\r
527 DEBUG ((EFI_D_ERROR, "y_resolution: 0x%x\n", CbFbRec->y_resolution));\r
528 DEBUG ((EFI_D_ERROR, "bits_per_pixel: 0x%x\n", CbFbRec->bits_per_pixel));\r
529 DEBUG ((EFI_D_ERROR, "bytes_per_line: 0x%x\n", CbFbRec->bytes_per_line));\r
530 \r
531 DEBUG ((EFI_D_ERROR, "red_mask_size: 0x%x\n", CbFbRec->red_mask_size));\r
532 DEBUG ((EFI_D_ERROR, "red_mask_pos: 0x%x\n", CbFbRec->red_mask_pos));\r
533 DEBUG ((EFI_D_ERROR, "green_mask_size: 0x%x\n", CbFbRec->green_mask_size));\r
534 DEBUG ((EFI_D_ERROR, "green_mask_pos: 0x%x\n", CbFbRec->green_mask_pos));\r
535 DEBUG ((EFI_D_ERROR, "blue_mask_size: 0x%x\n", CbFbRec->blue_mask_size));\r
536 DEBUG ((EFI_D_ERROR, "blue_mask_pos: 0x%x\n", CbFbRec->blue_mask_pos));\r
537 DEBUG ((EFI_D_ERROR, "reserved_mask_size: 0x%x\n", CbFbRec->reserved_mask_size));\r
538 DEBUG ((EFI_D_ERROR, "reserved_mask_pos: 0x%x\n", CbFbRec->reserved_mask_pos));\r
539 \r
540 pFbInfo->LinearFrameBuffer = CbFbRec->physical_address; \r
541 pFbInfo->HorizontalResolution = CbFbRec->x_resolution;\r
542 pFbInfo->VerticalResolution = CbFbRec->y_resolution;\r
543 pFbInfo->BitsPerPixel = CbFbRec->bits_per_pixel;\r
544 pFbInfo->BytesPerScanLine = (UINT16)CbFbRec->bytes_per_line;\r
545 pFbInfo->Red.Mask = (1 << CbFbRec->red_mask_size) - 1;\r
546 pFbInfo->Red.Position = CbFbRec->red_mask_pos;\r
547 pFbInfo->Green.Mask = (1 << CbFbRec->green_mask_size) - 1;\r
548 pFbInfo->Green.Position = CbFbRec->green_mask_pos;\r
549 pFbInfo->Blue.Mask = (1 << CbFbRec->blue_mask_size) - 1;\r
550 pFbInfo->Blue.Position = CbFbRec->blue_mask_pos;\r
551 pFbInfo->Reserved.Mask = (1 << CbFbRec->reserved_mask_size) - 1;\r
552 pFbInfo->Reserved.Position = CbFbRec->reserved_mask_pos; \r
553 \r
554 return RETURN_SUCCESS;\r
555}\r
556\r
557\r
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