| 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Module Name: utxface - External interfaces, miscellaneous utility functions |
| 4 | * |
| 5 | *****************************************************************************/ |
| 6 | |
| 7 | /* |
| 8 | * Copyright (C) 2000 - 2016, Intel Corp. |
| 9 | * All rights reserved. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions, and the following disclaimer, |
| 16 | * without modification. |
| 17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| 18 | * substantially similar to the "NO WARRANTY" disclaimer below |
| 19 | * ("Disclaimer") and any redistribution must be conditioned upon |
| 20 | * including a substantially similar Disclaimer requirement for further |
| 21 | * binary redistribution. |
| 22 | * 3. Neither the names of the above-listed copyright holders nor the names |
| 23 | * of any contributors may be used to endorse or promote products derived |
| 24 | * from this software without specific prior written permission. |
| 25 | * |
| 26 | * Alternatively, this software may be distributed under the terms of the |
| 27 | * GNU General Public License ("GPL") version 2 as published by the Free |
| 28 | * Software Foundation. |
| 29 | * |
| 30 | * NO WARRANTY |
| 31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| 34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| 40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 41 | * POSSIBILITY OF SUCH DAMAGES. |
| 42 | */ |
| 43 | |
| 44 | #define EXPORT_ACPI_INTERFACES |
| 45 | |
| 46 | #include "acpi.h" |
| 47 | #include "accommon.h" |
| 48 | #include "acdebug.h" |
| 49 | |
| 50 | #define _COMPONENT ACPI_UTILITIES |
| 51 | ACPI_MODULE_NAME ("utxface" ) |
| 52 | |
| 53 | |
| 54 | /******************************************************************************* |
| 55 | * |
| 56 | * FUNCTION: AcpiTerminate |
| 57 | * |
| 58 | * PARAMETERS: None |
| 59 | * |
| 60 | * RETURN: Status |
| 61 | * |
| 62 | * DESCRIPTION: Shutdown the ACPICA subsystem and release all resources. |
| 63 | * |
| 64 | ******************************************************************************/ |
| 65 | |
| 66 | ACPI_STATUS ACPI_INIT_FUNCTION |
| 67 | AcpiTerminate ( |
| 68 | void) |
| 69 | { |
| 70 | ACPI_STATUS Status; |
| 71 | |
| 72 | |
| 73 | ACPI_FUNCTION_TRACE (AcpiTerminate); |
| 74 | |
| 75 | |
| 76 | /* Shutdown and free all resources */ |
| 77 | |
| 78 | AcpiUtSubsystemShutdown (); |
| 79 | |
| 80 | /* Free the mutex objects */ |
| 81 | |
| 82 | AcpiUtMutexTerminate (); |
| 83 | |
| 84 | /* Now we can shutdown the OS-dependent layer */ |
| 85 | |
| 86 | Status = AcpiOsTerminate (); |
| 87 | return_ACPI_STATUS (Status); |
| 88 | } |
| 89 | |
| 90 | ACPI_EXPORT_SYMBOL_INIT (AcpiTerminate) |
| 91 | |
| 92 | |
| 93 | #ifndef ACPI_ASL_COMPILER |
| 94 | /******************************************************************************* |
| 95 | * |
| 96 | * FUNCTION: AcpiSubsystemStatus |
| 97 | * |
| 98 | * PARAMETERS: None |
| 99 | * |
| 100 | * RETURN: Status of the ACPI subsystem |
| 101 | * |
| 102 | * DESCRIPTION: Other drivers that use the ACPI subsystem should call this |
| 103 | * before making any other calls, to ensure the subsystem |
| 104 | * initialized successfully. |
| 105 | * |
| 106 | ******************************************************************************/ |
| 107 | |
| 108 | ACPI_STATUS |
| 109 | AcpiSubsystemStatus ( |
| 110 | void) |
| 111 | { |
| 112 | |
| 113 | if (AcpiGbl_StartupFlags & ACPI_INITIALIZED_OK) |
| 114 | { |
| 115 | return (AE_OK); |
| 116 | } |
| 117 | else |
| 118 | { |
| 119 | return (AE_ERROR); |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | ACPI_EXPORT_SYMBOL (AcpiSubsystemStatus) |
| 124 | |
| 125 | |
| 126 | /******************************************************************************* |
| 127 | * |
| 128 | * FUNCTION: AcpiGetSystemInfo |
| 129 | * |
| 130 | * PARAMETERS: OutBuffer - A buffer to receive the resources for the |
| 131 | * device |
| 132 | * |
| 133 | * RETURN: Status - the status of the call |
| 134 | * |
| 135 | * DESCRIPTION: This function is called to get information about the current |
| 136 | * state of the ACPI subsystem. It will return system information |
| 137 | * in the OutBuffer. |
| 138 | * |
| 139 | * If the function fails an appropriate status will be returned |
| 140 | * and the value of OutBuffer is undefined. |
| 141 | * |
| 142 | ******************************************************************************/ |
| 143 | |
| 144 | ACPI_STATUS |
| 145 | AcpiGetSystemInfo ( |
| 146 | ACPI_BUFFER *OutBuffer) |
| 147 | { |
| 148 | ACPI_SYSTEM_INFO *InfoPtr; |
| 149 | ACPI_STATUS Status; |
| 150 | |
| 151 | |
| 152 | ACPI_FUNCTION_TRACE (AcpiGetSystemInfo); |
| 153 | |
| 154 | |
| 155 | /* Parameter validation */ |
| 156 | |
| 157 | Status = AcpiUtValidateBuffer (OutBuffer); |
| 158 | if (ACPI_FAILURE (Status)) |
| 159 | { |
| 160 | return_ACPI_STATUS (Status); |
| 161 | } |
| 162 | |
| 163 | /* Validate/Allocate/Clear caller buffer */ |
| 164 | |
| 165 | Status = AcpiUtInitializeBuffer (OutBuffer, sizeof (ACPI_SYSTEM_INFO)); |
| 166 | if (ACPI_FAILURE (Status)) |
| 167 | { |
| 168 | return_ACPI_STATUS (Status); |
| 169 | } |
| 170 | |
| 171 | /* |
| 172 | * Populate the return buffer |
| 173 | */ |
| 174 | InfoPtr = (ACPI_SYSTEM_INFO *) OutBuffer->Pointer; |
| 175 | InfoPtr->AcpiCaVersion = ACPI_CA_VERSION; |
| 176 | |
| 177 | /* System flags (ACPI capabilities) */ |
| 178 | |
| 179 | InfoPtr->Flags = ACPI_SYS_MODE_ACPI; |
| 180 | |
| 181 | /* Timer resolution - 24 or 32 bits */ |
| 182 | |
| 183 | if (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER) |
| 184 | { |
| 185 | InfoPtr->TimerResolution = 24; |
| 186 | } |
| 187 | else |
| 188 | { |
| 189 | InfoPtr->TimerResolution = 32; |
| 190 | } |
| 191 | |
| 192 | /* Clear the reserved fields */ |
| 193 | |
| 194 | InfoPtr->Reserved1 = 0; |
| 195 | InfoPtr->Reserved2 = 0; |
| 196 | |
| 197 | /* Current debug levels */ |
| 198 | |
| 199 | InfoPtr->DebugLayer = AcpiDbgLayer; |
| 200 | InfoPtr->DebugLevel = AcpiDbgLevel; |
| 201 | |
| 202 | return_ACPI_STATUS (AE_OK); |
| 203 | } |
| 204 | |
| 205 | ACPI_EXPORT_SYMBOL (AcpiGetSystemInfo) |
| 206 | |
| 207 | |
| 208 | /******************************************************************************* |
| 209 | * |
| 210 | * FUNCTION: AcpiGetStatistics |
| 211 | * |
| 212 | * PARAMETERS: Stats - Where the statistics are returned |
| 213 | * |
| 214 | * RETURN: Status - the status of the call |
| 215 | * |
| 216 | * DESCRIPTION: Get the contents of the various system counters |
| 217 | * |
| 218 | ******************************************************************************/ |
| 219 | |
| 220 | ACPI_STATUS |
| 221 | AcpiGetStatistics ( |
| 222 | ACPI_STATISTICS *Stats) |
| 223 | { |
| 224 | ACPI_FUNCTION_TRACE (AcpiGetStatistics); |
| 225 | |
| 226 | |
| 227 | /* Parameter validation */ |
| 228 | |
| 229 | if (!Stats) |
| 230 | { |
| 231 | return_ACPI_STATUS (AE_BAD_PARAMETER); |
| 232 | } |
| 233 | |
| 234 | /* Various interrupt-based event counters */ |
| 235 | |
| 236 | Stats->SciCount = AcpiSciCount; |
| 237 | Stats->GpeCount = AcpiGpeCount; |
| 238 | |
| 239 | memcpy (Stats->FixedEventCount, AcpiFixedEventCount, |
| 240 | sizeof (AcpiFixedEventCount)); |
| 241 | |
| 242 | /* Other counters */ |
| 243 | |
| 244 | Stats->MethodCount = AcpiMethodCount; |
| 245 | return_ACPI_STATUS (AE_OK); |
| 246 | } |
| 247 | |
| 248 | ACPI_EXPORT_SYMBOL (AcpiGetStatistics) |
| 249 | |
| 250 | |
| 251 | /***************************************************************************** |
| 252 | * |
| 253 | * FUNCTION: AcpiInstallInitializationHandler |
| 254 | * |
| 255 | * PARAMETERS: Handler - Callback procedure |
| 256 | * Function - Not (currently) used, see below |
| 257 | * |
| 258 | * RETURN: Status |
| 259 | * |
| 260 | * DESCRIPTION: Install an initialization handler |
| 261 | * |
| 262 | * TBD: When a second function is added, must save the Function also. |
| 263 | * |
| 264 | ****************************************************************************/ |
| 265 | |
| 266 | ACPI_STATUS |
| 267 | AcpiInstallInitializationHandler ( |
| 268 | ACPI_INIT_HANDLER Handler, |
| 269 | UINT32 Function) |
| 270 | { |
| 271 | |
| 272 | if (!Handler) |
| 273 | { |
| 274 | return (AE_BAD_PARAMETER); |
| 275 | } |
| 276 | |
| 277 | if (AcpiGbl_InitHandler) |
| 278 | { |
| 279 | return (AE_ALREADY_EXISTS); |
| 280 | } |
| 281 | |
| 282 | AcpiGbl_InitHandler = Handler; |
| 283 | return (AE_OK); |
| 284 | } |
| 285 | |
| 286 | ACPI_EXPORT_SYMBOL (AcpiInstallInitializationHandler) |
| 287 | |
| 288 | |
| 289 | /***************************************************************************** |
| 290 | * |
| 291 | * FUNCTION: AcpiPurgeCachedObjects |
| 292 | * |
| 293 | * PARAMETERS: None |
| 294 | * |
| 295 | * RETURN: Status |
| 296 | * |
| 297 | * DESCRIPTION: Empty all caches (delete the cached objects) |
| 298 | * |
| 299 | ****************************************************************************/ |
| 300 | |
| 301 | ACPI_STATUS |
| 302 | AcpiPurgeCachedObjects ( |
| 303 | void) |
| 304 | { |
| 305 | ACPI_FUNCTION_TRACE (AcpiPurgeCachedObjects); |
| 306 | |
| 307 | |
| 308 | (void) AcpiOsPurgeCache (AcpiGbl_StateCache); |
| 309 | (void) AcpiOsPurgeCache (AcpiGbl_OperandCache); |
| 310 | (void) AcpiOsPurgeCache (AcpiGbl_PsNodeCache); |
| 311 | (void) AcpiOsPurgeCache (AcpiGbl_PsNodeExtCache); |
| 312 | |
| 313 | return_ACPI_STATUS (AE_OK); |
| 314 | } |
| 315 | |
| 316 | ACPI_EXPORT_SYMBOL (AcpiPurgeCachedObjects) |
| 317 | |
| 318 | |
| 319 | /***************************************************************************** |
| 320 | * |
| 321 | * FUNCTION: AcpiInstallInterface |
| 322 | * |
| 323 | * PARAMETERS: InterfaceName - The interface to install |
| 324 | * |
| 325 | * RETURN: Status |
| 326 | * |
| 327 | * DESCRIPTION: Install an _OSI interface to the global list |
| 328 | * |
| 329 | ****************************************************************************/ |
| 330 | |
| 331 | ACPI_STATUS |
| 332 | AcpiInstallInterface ( |
| 333 | ACPI_STRING InterfaceName) |
| 334 | { |
| 335 | ACPI_STATUS Status; |
| 336 | ACPI_INTERFACE_INFO *InterfaceInfo; |
| 337 | |
| 338 | |
| 339 | /* Parameter validation */ |
| 340 | |
| 341 | if (!InterfaceName || (strlen (InterfaceName) == 0)) |
| 342 | { |
| 343 | return (AE_BAD_PARAMETER); |
| 344 | } |
| 345 | |
| 346 | Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER); |
| 347 | if (ACPI_FAILURE (Status)) |
| 348 | { |
| 349 | return (Status); |
| 350 | } |
| 351 | |
| 352 | /* Check if the interface name is already in the global list */ |
| 353 | |
| 354 | InterfaceInfo = AcpiUtGetInterface (InterfaceName); |
| 355 | if (InterfaceInfo) |
| 356 | { |
| 357 | /* |
| 358 | * The interface already exists in the list. This is OK if the |
| 359 | * interface has been marked invalid -- just clear the bit. |
| 360 | */ |
| 361 | if (InterfaceInfo->Flags & ACPI_OSI_INVALID) |
| 362 | { |
| 363 | InterfaceInfo->Flags &= ~ACPI_OSI_INVALID; |
| 364 | Status = AE_OK; |
| 365 | } |
| 366 | else |
| 367 | { |
| 368 | Status = AE_ALREADY_EXISTS; |
| 369 | } |
| 370 | } |
| 371 | else |
| 372 | { |
| 373 | /* New interface name, install into the global list */ |
| 374 | |
| 375 | Status = AcpiUtInstallInterface (InterfaceName); |
| 376 | } |
| 377 | |
| 378 | AcpiOsReleaseMutex (AcpiGbl_OsiMutex); |
| 379 | return (Status); |
| 380 | } |
| 381 | |
| 382 | ACPI_EXPORT_SYMBOL (AcpiInstallInterface) |
| 383 | |
| 384 | |
| 385 | /***************************************************************************** |
| 386 | * |
| 387 | * FUNCTION: AcpiRemoveInterface |
| 388 | * |
| 389 | * PARAMETERS: InterfaceName - The interface to remove |
| 390 | * |
| 391 | * RETURN: Status |
| 392 | * |
| 393 | * DESCRIPTION: Remove an _OSI interface from the global list |
| 394 | * |
| 395 | ****************************************************************************/ |
| 396 | |
| 397 | ACPI_STATUS |
| 398 | AcpiRemoveInterface ( |
| 399 | ACPI_STRING InterfaceName) |
| 400 | { |
| 401 | ACPI_STATUS Status; |
| 402 | |
| 403 | |
| 404 | /* Parameter validation */ |
| 405 | |
| 406 | if (!InterfaceName || (strlen (InterfaceName) == 0)) |
| 407 | { |
| 408 | return (AE_BAD_PARAMETER); |
| 409 | } |
| 410 | |
| 411 | Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER); |
| 412 | if (ACPI_FAILURE (Status)) |
| 413 | { |
| 414 | return (Status); |
| 415 | } |
| 416 | |
| 417 | Status = AcpiUtRemoveInterface (InterfaceName); |
| 418 | |
| 419 | AcpiOsReleaseMutex (AcpiGbl_OsiMutex); |
| 420 | return (Status); |
| 421 | } |
| 422 | |
| 423 | ACPI_EXPORT_SYMBOL (AcpiRemoveInterface) |
| 424 | |
| 425 | |
| 426 | /***************************************************************************** |
| 427 | * |
| 428 | * FUNCTION: AcpiInstallInterfaceHandler |
| 429 | * |
| 430 | * PARAMETERS: Handler - The _OSI interface handler to install |
| 431 | * NULL means "remove existing handler" |
| 432 | * |
| 433 | * RETURN: Status |
| 434 | * |
| 435 | * DESCRIPTION: Install a handler for the predefined _OSI ACPI method. |
| 436 | * invoked during execution of the internal implementation of |
| 437 | * _OSI. A NULL handler simply removes any existing handler. |
| 438 | * |
| 439 | ****************************************************************************/ |
| 440 | |
| 441 | ACPI_STATUS |
| 442 | AcpiInstallInterfaceHandler ( |
| 443 | ACPI_INTERFACE_HANDLER Handler) |
| 444 | { |
| 445 | ACPI_STATUS Status; |
| 446 | |
| 447 | |
| 448 | Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER); |
| 449 | if (ACPI_FAILURE (Status)) |
| 450 | { |
| 451 | return (Status); |
| 452 | } |
| 453 | |
| 454 | if (Handler && AcpiGbl_InterfaceHandler) |
| 455 | { |
| 456 | Status = AE_ALREADY_EXISTS; |
| 457 | } |
| 458 | else |
| 459 | { |
| 460 | AcpiGbl_InterfaceHandler = Handler; |
| 461 | } |
| 462 | |
| 463 | AcpiOsReleaseMutex (AcpiGbl_OsiMutex); |
| 464 | return (Status); |
| 465 | } |
| 466 | |
| 467 | ACPI_EXPORT_SYMBOL (AcpiInstallInterfaceHandler) |
| 468 | |
| 469 | |
| 470 | /***************************************************************************** |
| 471 | * |
| 472 | * FUNCTION: AcpiUpdateInterfaces |
| 473 | * |
| 474 | * PARAMETERS: Action - Actions to be performed during the |
| 475 | * update |
| 476 | * |
| 477 | * RETURN: Status |
| 478 | * |
| 479 | * DESCRIPTION: Update _OSI interface strings, disabling or enabling OS vendor |
| 480 | * string or/and feature group strings. |
| 481 | * |
| 482 | ****************************************************************************/ |
| 483 | |
| 484 | ACPI_STATUS |
| 485 | AcpiUpdateInterfaces ( |
| 486 | UINT8 Action) |
| 487 | { |
| 488 | ACPI_STATUS Status; |
| 489 | |
| 490 | |
| 491 | Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER); |
| 492 | if (ACPI_FAILURE (Status)) |
| 493 | { |
| 494 | return (Status); |
| 495 | } |
| 496 | |
| 497 | Status = AcpiUtUpdateInterfaces (Action); |
| 498 | |
| 499 | AcpiOsReleaseMutex (AcpiGbl_OsiMutex); |
| 500 | return (Status); |
| 501 | } |
| 502 | |
| 503 | |
| 504 | /***************************************************************************** |
| 505 | * |
| 506 | * FUNCTION: AcpiCheckAddressRange |
| 507 | * |
| 508 | * PARAMETERS: SpaceId - Address space ID |
| 509 | * Address - Start address |
| 510 | * Length - Length |
| 511 | * Warn - TRUE if warning on overlap desired |
| 512 | * |
| 513 | * RETURN: Count of the number of conflicts detected. |
| 514 | * |
| 515 | * DESCRIPTION: Check if the input address range overlaps any of the |
| 516 | * ASL operation region address ranges. |
| 517 | * |
| 518 | ****************************************************************************/ |
| 519 | |
| 520 | UINT32 |
| 521 | AcpiCheckAddressRange ( |
| 522 | ACPI_ADR_SPACE_TYPE SpaceId, |
| 523 | ACPI_PHYSICAL_ADDRESS Address, |
| 524 | ACPI_SIZE Length, |
| 525 | BOOLEAN Warn) |
| 526 | { |
| 527 | UINT32 Overlaps; |
| 528 | ACPI_STATUS Status; |
| 529 | |
| 530 | |
| 531 | Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); |
| 532 | if (ACPI_FAILURE (Status)) |
| 533 | { |
| 534 | return (0); |
| 535 | } |
| 536 | |
| 537 | Overlaps = AcpiUtCheckAddressRange (SpaceId, Address, |
| 538 | (UINT32) Length, Warn); |
| 539 | |
| 540 | (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); |
| 541 | return (Overlaps); |
| 542 | } |
| 543 | |
| 544 | ACPI_EXPORT_SYMBOL (AcpiCheckAddressRange) |
| 545 | |
| 546 | #endif /* !ACPI_ASL_COMPILER */ |
| 547 | |
| 548 | |
| 549 | /******************************************************************************* |
| 550 | * |
| 551 | * FUNCTION: AcpiDecodePldBuffer |
| 552 | * |
| 553 | * PARAMETERS: InBuffer - Buffer returned by _PLD method |
| 554 | * Length - Length of the InBuffer |
| 555 | * ReturnBuffer - Where the decode buffer is returned |
| 556 | * |
| 557 | * RETURN: Status and the decoded _PLD buffer. User must deallocate |
| 558 | * the buffer via ACPI_FREE. |
| 559 | * |
| 560 | * DESCRIPTION: Decode the bit-packed buffer returned by the _PLD method into |
| 561 | * a local struct that is much more useful to an ACPI driver. |
| 562 | * |
| 563 | ******************************************************************************/ |
| 564 | |
| 565 | ACPI_STATUS |
| 566 | AcpiDecodePldBuffer ( |
| 567 | UINT8 *InBuffer, |
| 568 | ACPI_SIZE Length, |
| 569 | ACPI_PLD_INFO **ReturnBuffer) |
| 570 | { |
| 571 | ACPI_PLD_INFO *PldInfo; |
| 572 | UINT32 *Buffer = ACPI_CAST_PTR (UINT32, InBuffer); |
| 573 | UINT32 Dword; |
| 574 | |
| 575 | |
| 576 | /* Parameter validation */ |
| 577 | |
| 578 | if (!InBuffer || !ReturnBuffer || (Length < ACPI_PLD_REV1_BUFFER_SIZE)) |
| 579 | { |
| 580 | return (AE_BAD_PARAMETER); |
| 581 | } |
| 582 | |
| 583 | PldInfo = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_PLD_INFO)); |
| 584 | if (!PldInfo) |
| 585 | { |
| 586 | return (AE_NO_MEMORY); |
| 587 | } |
| 588 | |
| 589 | /* First 32-bit DWord */ |
| 590 | |
| 591 | ACPI_MOVE_32_TO_32 (&Dword, &Buffer[0]); |
| 592 | PldInfo->Revision = ACPI_PLD_GET_REVISION (&Dword); |
| 593 | PldInfo->IgnoreColor = ACPI_PLD_GET_IGNORE_COLOR (&Dword); |
| 594 | PldInfo->Red = ACPI_PLD_GET_RED (&Dword); |
| 595 | PldInfo->Green = ACPI_PLD_GET_GREEN (&Dword); |
| 596 | PldInfo->Blue = ACPI_PLD_GET_BLUE (&Dword); |
| 597 | |
| 598 | /* Second 32-bit DWord */ |
| 599 | |
| 600 | ACPI_MOVE_32_TO_32 (&Dword, &Buffer[1]); |
| 601 | PldInfo->Width = ACPI_PLD_GET_WIDTH (&Dword); |
| 602 | PldInfo->Height = ACPI_PLD_GET_HEIGHT(&Dword); |
| 603 | |
| 604 | /* Third 32-bit DWord */ |
| 605 | |
| 606 | ACPI_MOVE_32_TO_32 (&Dword, &Buffer[2]); |
| 607 | PldInfo->UserVisible = ACPI_PLD_GET_USER_VISIBLE (&Dword); |
| 608 | PldInfo->Dock = ACPI_PLD_GET_DOCK (&Dword); |
| 609 | PldInfo->Lid = ACPI_PLD_GET_LID (&Dword); |
| 610 | PldInfo->Panel = ACPI_PLD_GET_PANEL (&Dword); |
| 611 | PldInfo->VerticalPosition = ACPI_PLD_GET_VERTICAL (&Dword); |
| 612 | PldInfo->HorizontalPosition = ACPI_PLD_GET_HORIZONTAL (&Dword); |
| 613 | PldInfo->Shape = ACPI_PLD_GET_SHAPE (&Dword); |
| 614 | PldInfo->GroupOrientation = ACPI_PLD_GET_ORIENTATION (&Dword); |
| 615 | PldInfo->GroupToken = ACPI_PLD_GET_TOKEN (&Dword); |
| 616 | PldInfo->GroupPosition = ACPI_PLD_GET_POSITION (&Dword); |
| 617 | PldInfo->Bay = ACPI_PLD_GET_BAY (&Dword); |
| 618 | |
| 619 | /* Fourth 32-bit DWord */ |
| 620 | |
| 621 | ACPI_MOVE_32_TO_32 (&Dword, &Buffer[3]); |
| 622 | PldInfo->Ejectable = ACPI_PLD_GET_EJECTABLE (&Dword); |
| 623 | PldInfo->OspmEjectRequired = ACPI_PLD_GET_OSPM_EJECT (&Dword); |
| 624 | PldInfo->CabinetNumber = ACPI_PLD_GET_CABINET (&Dword); |
| 625 | PldInfo->CardCageNumber = ACPI_PLD_GET_CARD_CAGE (&Dword); |
| 626 | PldInfo->Reference = ACPI_PLD_GET_REFERENCE (&Dword); |
| 627 | PldInfo->Rotation = ACPI_PLD_GET_ROTATION (&Dword); |
| 628 | PldInfo->Order = ACPI_PLD_GET_ORDER (&Dword); |
| 629 | |
| 630 | if (Length >= ACPI_PLD_REV2_BUFFER_SIZE) |
| 631 | { |
| 632 | /* Fifth 32-bit DWord (Revision 2 of _PLD) */ |
| 633 | |
| 634 | ACPI_MOVE_32_TO_32 (&Dword, &Buffer[4]); |
| 635 | PldInfo->VerticalOffset = ACPI_PLD_GET_VERT_OFFSET (&Dword); |
| 636 | PldInfo->HorizontalOffset = ACPI_PLD_GET_HORIZ_OFFSET (&Dword); |
| 637 | } |
| 638 | |
| 639 | *ReturnBuffer = PldInfo; |
| 640 | return (AE_OK); |
| 641 | } |
| 642 | |
| 643 | ACPI_EXPORT_SYMBOL (AcpiDecodePldBuffer) |
| 644 | |