1 /****************************************************************************** 2 * 3 * Module Name: utxface - External interfaces, miscellaneous utility functions 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2017, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #define EXPORT_ACPI_INTERFACES 153 154 #include <contrib/dev/acpica/include/acpi.h> 155 #include <contrib/dev/acpica/include/accommon.h> 156 #include <contrib/dev/acpica/include/acdebug.h> 157 158 #define _COMPONENT ACPI_UTILITIES 159 ACPI_MODULE_NAME ("utxface") 160 161 162 /******************************************************************************* 163 * 164 * FUNCTION: AcpiTerminate 165 * 166 * PARAMETERS: None 167 * 168 * RETURN: Status 169 * 170 * DESCRIPTION: Shutdown the ACPICA subsystem and release all resources. 171 * 172 ******************************************************************************/ 173 174 ACPI_STATUS ACPI_INIT_FUNCTION 175 AcpiTerminate ( 176 void) 177 { 178 ACPI_STATUS Status; 179 180 181 ACPI_FUNCTION_TRACE (AcpiTerminate); 182 183 184 /* Shutdown and free all resources */ 185 186 AcpiUtSubsystemShutdown (); 187 188 /* Free the mutex objects */ 189 190 AcpiUtMutexTerminate (); 191 192 /* Now we can shutdown the OS-dependent layer */ 193 194 Status = AcpiOsTerminate (); 195 return_ACPI_STATUS (Status); 196 } 197 198 ACPI_EXPORT_SYMBOL_INIT (AcpiTerminate) 199 200 201 #ifndef ACPI_ASL_COMPILER 202 /******************************************************************************* 203 * 204 * FUNCTION: AcpiSubsystemStatus 205 * 206 * PARAMETERS: None 207 * 208 * RETURN: Status of the ACPI subsystem 209 * 210 * DESCRIPTION: Other drivers that use the ACPI subsystem should call this 211 * before making any other calls, to ensure the subsystem 212 * initialized successfully. 213 * 214 ******************************************************************************/ 215 216 ACPI_STATUS 217 AcpiSubsystemStatus ( 218 void) 219 { 220 221 if (AcpiGbl_StartupFlags & ACPI_INITIALIZED_OK) 222 { 223 return (AE_OK); 224 } 225 else 226 { 227 return (AE_ERROR); 228 } 229 } 230 231 ACPI_EXPORT_SYMBOL (AcpiSubsystemStatus) 232 233 234 /******************************************************************************* 235 * 236 * FUNCTION: AcpiGetSystemInfo 237 * 238 * PARAMETERS: OutBuffer - A buffer to receive the resources for the 239 * device 240 * 241 * RETURN: Status - the status of the call 242 * 243 * DESCRIPTION: This function is called to get information about the current 244 * state of the ACPI subsystem. It will return system information 245 * in the OutBuffer. 246 * 247 * If the function fails an appropriate status will be returned 248 * and the value of OutBuffer is undefined. 249 * 250 ******************************************************************************/ 251 252 ACPI_STATUS 253 AcpiGetSystemInfo ( 254 ACPI_BUFFER *OutBuffer) 255 { 256 ACPI_SYSTEM_INFO *InfoPtr; 257 ACPI_STATUS Status; 258 259 260 ACPI_FUNCTION_TRACE (AcpiGetSystemInfo); 261 262 263 /* Parameter validation */ 264 265 Status = AcpiUtValidateBuffer (OutBuffer); 266 if (ACPI_FAILURE (Status)) 267 { 268 return_ACPI_STATUS (Status); 269 } 270 271 /* Validate/Allocate/Clear caller buffer */ 272 273 Status = AcpiUtInitializeBuffer (OutBuffer, sizeof (ACPI_SYSTEM_INFO)); 274 if (ACPI_FAILURE (Status)) 275 { 276 return_ACPI_STATUS (Status); 277 } 278 279 /* 280 * Populate the return buffer 281 */ 282 InfoPtr = (ACPI_SYSTEM_INFO *) OutBuffer->Pointer; 283 InfoPtr->AcpiCaVersion = ACPI_CA_VERSION; 284 285 /* System flags (ACPI capabilities) */ 286 287 InfoPtr->Flags = ACPI_SYS_MODE_ACPI; 288 289 /* Timer resolution - 24 or 32 bits */ 290 291 if (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER) 292 { 293 InfoPtr->TimerResolution = 24; 294 } 295 else 296 { 297 InfoPtr->TimerResolution = 32; 298 } 299 300 /* Clear the reserved fields */ 301 302 InfoPtr->Reserved1 = 0; 303 InfoPtr->Reserved2 = 0; 304 305 /* Current debug levels */ 306 307 InfoPtr->DebugLayer = AcpiDbgLayer; 308 InfoPtr->DebugLevel = AcpiDbgLevel; 309 310 return_ACPI_STATUS (AE_OK); 311 } 312 313 ACPI_EXPORT_SYMBOL (AcpiGetSystemInfo) 314 315 316 /******************************************************************************* 317 * 318 * FUNCTION: AcpiGetStatistics 319 * 320 * PARAMETERS: Stats - Where the statistics are returned 321 * 322 * RETURN: Status - the status of the call 323 * 324 * DESCRIPTION: Get the contents of the various system counters 325 * 326 ******************************************************************************/ 327 328 ACPI_STATUS 329 AcpiGetStatistics ( 330 ACPI_STATISTICS *Stats) 331 { 332 ACPI_FUNCTION_TRACE (AcpiGetStatistics); 333 334 335 /* Parameter validation */ 336 337 if (!Stats) 338 { 339 return_ACPI_STATUS (AE_BAD_PARAMETER); 340 } 341 342 /* Various interrupt-based event counters */ 343 344 Stats->SciCount = AcpiSciCount; 345 Stats->GpeCount = AcpiGpeCount; 346 347 memcpy (Stats->FixedEventCount, AcpiFixedEventCount, 348 sizeof (AcpiFixedEventCount)); 349 350 /* Other counters */ 351 352 Stats->MethodCount = AcpiMethodCount; 353 return_ACPI_STATUS (AE_OK); 354 } 355 356 ACPI_EXPORT_SYMBOL (AcpiGetStatistics) 357 358 359 /***************************************************************************** 360 * 361 * FUNCTION: AcpiInstallInitializationHandler 362 * 363 * PARAMETERS: Handler - Callback procedure 364 * Function - Not (currently) used, see below 365 * 366 * RETURN: Status 367 * 368 * DESCRIPTION: Install an initialization handler 369 * 370 * TBD: When a second function is added, must save the Function also. 371 * 372 ****************************************************************************/ 373 374 ACPI_STATUS 375 AcpiInstallInitializationHandler ( 376 ACPI_INIT_HANDLER Handler, 377 UINT32 Function) 378 { 379 380 if (!Handler) 381 { 382 return (AE_BAD_PARAMETER); 383 } 384 385 if (AcpiGbl_InitHandler) 386 { 387 return (AE_ALREADY_EXISTS); 388 } 389 390 AcpiGbl_InitHandler = Handler; 391 return (AE_OK); 392 } 393 394 ACPI_EXPORT_SYMBOL (AcpiInstallInitializationHandler) 395 396 397 /***************************************************************************** 398 * 399 * FUNCTION: AcpiPurgeCachedObjects 400 * 401 * PARAMETERS: None 402 * 403 * RETURN: Status 404 * 405 * DESCRIPTION: Empty all caches (delete the cached objects) 406 * 407 ****************************************************************************/ 408 409 ACPI_STATUS 410 AcpiPurgeCachedObjects ( 411 void) 412 { 413 ACPI_FUNCTION_TRACE (AcpiPurgeCachedObjects); 414 415 416 (void) AcpiOsPurgeCache (AcpiGbl_StateCache); 417 (void) AcpiOsPurgeCache (AcpiGbl_OperandCache); 418 (void) AcpiOsPurgeCache (AcpiGbl_PsNodeCache); 419 (void) AcpiOsPurgeCache (AcpiGbl_PsNodeExtCache); 420 421 return_ACPI_STATUS (AE_OK); 422 } 423 424 ACPI_EXPORT_SYMBOL (AcpiPurgeCachedObjects) 425 426 427 /***************************************************************************** 428 * 429 * FUNCTION: AcpiInstallInterface 430 * 431 * PARAMETERS: InterfaceName - The interface to install 432 * 433 * RETURN: Status 434 * 435 * DESCRIPTION: Install an _OSI interface to the global list 436 * 437 ****************************************************************************/ 438 439 ACPI_STATUS 440 AcpiInstallInterface ( 441 ACPI_STRING InterfaceName) 442 { 443 ACPI_STATUS Status; 444 ACPI_INTERFACE_INFO *InterfaceInfo; 445 446 447 /* Parameter validation */ 448 449 if (!InterfaceName || (strlen (InterfaceName) == 0)) 450 { 451 return (AE_BAD_PARAMETER); 452 } 453 454 Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER); 455 if (ACPI_FAILURE (Status)) 456 { 457 return (Status); 458 } 459 460 /* Check if the interface name is already in the global list */ 461 462 InterfaceInfo = AcpiUtGetInterface (InterfaceName); 463 if (InterfaceInfo) 464 { 465 /* 466 * The interface already exists in the list. This is OK if the 467 * interface has been marked invalid -- just clear the bit. 468 */ 469 if (InterfaceInfo->Flags & ACPI_OSI_INVALID) 470 { 471 InterfaceInfo->Flags &= ~ACPI_OSI_INVALID; 472 Status = AE_OK; 473 } 474 else 475 { 476 Status = AE_ALREADY_EXISTS; 477 } 478 } 479 else 480 { 481 /* New interface name, install into the global list */ 482 483 Status = AcpiUtInstallInterface (InterfaceName); 484 } 485 486 AcpiOsReleaseMutex (AcpiGbl_OsiMutex); 487 return (Status); 488 } 489 490 ACPI_EXPORT_SYMBOL (AcpiInstallInterface) 491 492 493 /***************************************************************************** 494 * 495 * FUNCTION: AcpiRemoveInterface 496 * 497 * PARAMETERS: InterfaceName - The interface to remove 498 * 499 * RETURN: Status 500 * 501 * DESCRIPTION: Remove an _OSI interface from the global list 502 * 503 ****************************************************************************/ 504 505 ACPI_STATUS 506 AcpiRemoveInterface ( 507 ACPI_STRING InterfaceName) 508 { 509 ACPI_STATUS Status; 510 511 512 /* Parameter validation */ 513 514 if (!InterfaceName || (strlen (InterfaceName) == 0)) 515 { 516 return (AE_BAD_PARAMETER); 517 } 518 519 Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER); 520 if (ACPI_FAILURE (Status)) 521 { 522 return (Status); 523 } 524 525 Status = AcpiUtRemoveInterface (InterfaceName); 526 527 AcpiOsReleaseMutex (AcpiGbl_OsiMutex); 528 return (Status); 529 } 530 531 ACPI_EXPORT_SYMBOL (AcpiRemoveInterface) 532 533 534 /***************************************************************************** 535 * 536 * FUNCTION: AcpiInstallInterfaceHandler 537 * 538 * PARAMETERS: Handler - The _OSI interface handler to install 539 * NULL means "remove existing handler" 540 * 541 * RETURN: Status 542 * 543 * DESCRIPTION: Install a handler for the predefined _OSI ACPI method. 544 * invoked during execution of the internal implementation of 545 * _OSI. A NULL handler simply removes any existing handler. 546 * 547 ****************************************************************************/ 548 549 ACPI_STATUS 550 AcpiInstallInterfaceHandler ( 551 ACPI_INTERFACE_HANDLER Handler) 552 { 553 ACPI_STATUS Status; 554 555 556 Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER); 557 if (ACPI_FAILURE (Status)) 558 { 559 return (Status); 560 } 561 562 if (Handler && AcpiGbl_InterfaceHandler) 563 { 564 Status = AE_ALREADY_EXISTS; 565 } 566 else 567 { 568 AcpiGbl_InterfaceHandler = Handler; 569 } 570 571 AcpiOsReleaseMutex (AcpiGbl_OsiMutex); 572 return (Status); 573 } 574 575 ACPI_EXPORT_SYMBOL (AcpiInstallInterfaceHandler) 576 577 578 /***************************************************************************** 579 * 580 * FUNCTION: AcpiUpdateInterfaces 581 * 582 * PARAMETERS: Action - Actions to be performed during the 583 * update 584 * 585 * RETURN: Status 586 * 587 * DESCRIPTION: Update _OSI interface strings, disabling or enabling OS vendor 588 * string or/and feature group strings. 589 * 590 ****************************************************************************/ 591 592 ACPI_STATUS 593 AcpiUpdateInterfaces ( 594 UINT8 Action) 595 { 596 ACPI_STATUS Status; 597 598 599 Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER); 600 if (ACPI_FAILURE (Status)) 601 { 602 return (Status); 603 } 604 605 Status = AcpiUtUpdateInterfaces (Action); 606 607 AcpiOsReleaseMutex (AcpiGbl_OsiMutex); 608 return (Status); 609 } 610 611 612 /***************************************************************************** 613 * 614 * FUNCTION: AcpiCheckAddressRange 615 * 616 * PARAMETERS: SpaceId - Address space ID 617 * Address - Start address 618 * Length - Length 619 * Warn - TRUE if warning on overlap desired 620 * 621 * RETURN: Count of the number of conflicts detected. 622 * 623 * DESCRIPTION: Check if the input address range overlaps any of the 624 * ASL operation region address ranges. 625 * 626 ****************************************************************************/ 627 628 UINT32 629 AcpiCheckAddressRange ( 630 ACPI_ADR_SPACE_TYPE SpaceId, 631 ACPI_PHYSICAL_ADDRESS Address, 632 ACPI_SIZE Length, 633 BOOLEAN Warn) 634 { 635 UINT32 Overlaps; 636 ACPI_STATUS Status; 637 638 639 Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); 640 if (ACPI_FAILURE (Status)) 641 { 642 return (0); 643 } 644 645 Overlaps = AcpiUtCheckAddressRange (SpaceId, Address, 646 (UINT32) Length, Warn); 647 648 (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); 649 return (Overlaps); 650 } 651 652 ACPI_EXPORT_SYMBOL (AcpiCheckAddressRange) 653 654 #endif /* !ACPI_ASL_COMPILER */ 655 656 657 /******************************************************************************* 658 * 659 * FUNCTION: AcpiDecodePldBuffer 660 * 661 * PARAMETERS: InBuffer - Buffer returned by _PLD method 662 * Length - Length of the InBuffer 663 * ReturnBuffer - Where the decode buffer is returned 664 * 665 * RETURN: Status and the decoded _PLD buffer. User must deallocate 666 * the buffer via ACPI_FREE. 667 * 668 * DESCRIPTION: Decode the bit-packed buffer returned by the _PLD method into 669 * a local struct that is much more useful to an ACPI driver. 670 * 671 ******************************************************************************/ 672 673 ACPI_STATUS 674 AcpiDecodePldBuffer ( 675 UINT8 *InBuffer, 676 ACPI_SIZE Length, 677 ACPI_PLD_INFO **ReturnBuffer) 678 { 679 ACPI_PLD_INFO *PldInfo; 680 UINT32 *Buffer = ACPI_CAST_PTR (UINT32, InBuffer); 681 UINT32 Dword; 682 683 684 /* Parameter validation */ 685 686 if (!InBuffer || !ReturnBuffer || (Length < ACPI_PLD_REV1_BUFFER_SIZE)) 687 { 688 return (AE_BAD_PARAMETER); 689 } 690 691 PldInfo = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_PLD_INFO)); 692 if (!PldInfo) 693 { 694 return (AE_NO_MEMORY); 695 } 696 697 /* First 32-bit DWord */ 698 699 ACPI_MOVE_32_TO_32 (&Dword, &Buffer[0]); 700 PldInfo->Revision = ACPI_PLD_GET_REVISION (&Dword); 701 PldInfo->IgnoreColor = ACPI_PLD_GET_IGNORE_COLOR (&Dword); 702 PldInfo->Red = ACPI_PLD_GET_RED (&Dword); 703 PldInfo->Green = ACPI_PLD_GET_GREEN (&Dword); 704 PldInfo->Blue = ACPI_PLD_GET_BLUE (&Dword); 705 706 /* Second 32-bit DWord */ 707 708 ACPI_MOVE_32_TO_32 (&Dword, &Buffer[1]); 709 PldInfo->Width = ACPI_PLD_GET_WIDTH (&Dword); 710 PldInfo->Height = ACPI_PLD_GET_HEIGHT(&Dword); 711 712 /* Third 32-bit DWord */ 713 714 ACPI_MOVE_32_TO_32 (&Dword, &Buffer[2]); 715 PldInfo->UserVisible = ACPI_PLD_GET_USER_VISIBLE (&Dword); 716 PldInfo->Dock = ACPI_PLD_GET_DOCK (&Dword); 717 PldInfo->Lid = ACPI_PLD_GET_LID (&Dword); 718 PldInfo->Panel = ACPI_PLD_GET_PANEL (&Dword); 719 PldInfo->VerticalPosition = ACPI_PLD_GET_VERTICAL (&Dword); 720 PldInfo->HorizontalPosition = ACPI_PLD_GET_HORIZONTAL (&Dword); 721 PldInfo->Shape = ACPI_PLD_GET_SHAPE (&Dword); 722 PldInfo->GroupOrientation = ACPI_PLD_GET_ORIENTATION (&Dword); 723 PldInfo->GroupToken = ACPI_PLD_GET_TOKEN (&Dword); 724 PldInfo->GroupPosition = ACPI_PLD_GET_POSITION (&Dword); 725 PldInfo->Bay = ACPI_PLD_GET_BAY (&Dword); 726 727 /* Fourth 32-bit DWord */ 728 729 ACPI_MOVE_32_TO_32 (&Dword, &Buffer[3]); 730 PldInfo->Ejectable = ACPI_PLD_GET_EJECTABLE (&Dword); 731 PldInfo->OspmEjectRequired = ACPI_PLD_GET_OSPM_EJECT (&Dword); 732 PldInfo->CabinetNumber = ACPI_PLD_GET_CABINET (&Dword); 733 PldInfo->CardCageNumber = ACPI_PLD_GET_CARD_CAGE (&Dword); 734 PldInfo->Reference = ACPI_PLD_GET_REFERENCE (&Dword); 735 PldInfo->Rotation = ACPI_PLD_GET_ROTATION (&Dword); 736 PldInfo->Order = ACPI_PLD_GET_ORDER (&Dword); 737 738 if (Length >= ACPI_PLD_REV2_BUFFER_SIZE) 739 { 740 /* Fifth 32-bit DWord (Revision 2 of _PLD) */ 741 742 ACPI_MOVE_32_TO_32 (&Dword, &Buffer[4]); 743 PldInfo->VerticalOffset = ACPI_PLD_GET_VERT_OFFSET (&Dword); 744 PldInfo->HorizontalOffset = ACPI_PLD_GET_HORIZ_OFFSET (&Dword); 745 } 746 747 *ReturnBuffer = PldInfo; 748 return (AE_OK); 749 } 750 751 ACPI_EXPORT_SYMBOL (AcpiDecodePldBuffer) 752