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hwgpe.c (151600) hwgpe.c (151937)
1
2/******************************************************************************
3 *
4 * Module Name: hwgpe - Low level GPE enable/disable/clear functions
1
2/******************************************************************************
3 *
4 * Module Name: hwgpe - Low level GPE enable/disable/clear functions
5 * $Revision: 65 $
5 * $Revision: 1.71 $
6 *
7 *****************************************************************************/
8
9/******************************************************************************
10 *
11 * 1. Copyright Notice
12 *
6 *
7 *****************************************************************************/
8
9/******************************************************************************
10 *
11 * 1. Copyright Notice
12 *
13 * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.
13 * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
14 * All rights reserved.
15 *
16 * 2. License
17 *
18 * 2.1. This is your license from Intel Corp. under its intellectual property
19 * rights. You may have additional license terms from the party that provided
20 * you this software, covering your right to use that party's intellectual
21 * property rights.

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116 *****************************************************************************/
117
118#include <contrib/dev/acpica/acpi.h>
119#include <contrib/dev/acpica/acevents.h>
120
121#define _COMPONENT ACPI_HARDWARE
122 ACPI_MODULE_NAME ("hwgpe")
123
14 * All rights reserved.
15 *
16 * 2. License
17 *
18 * 2.1. This is your license from Intel Corp. under its intellectual property
19 * rights. You may have additional license terms from the party that provided
20 * you this software, covering your right to use that party's intellectual
21 * property rights.

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116 *****************************************************************************/
117
118#include <contrib/dev/acpica/acpi.h>
119#include <contrib/dev/acpica/acevents.h>
120
121#define _COMPONENT ACPI_HARDWARE
122 ACPI_MODULE_NAME ("hwgpe")
123
124/* Local prototypes */
124
125
126static ACPI_STATUS
127AcpiHwEnableWakeupGpeBlock (
128 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
129 ACPI_GPE_BLOCK_INFO *GpeBlock);
130
131
125/******************************************************************************
126 *
127 * FUNCTION: AcpiHwWriteGpeEnableReg
128 *
129 * PARAMETERS: GpeEventInfo - Info block for the GPE to be enabled
130 *
131 * RETURN: Status
132 *

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279 *
280 * FUNCTION: AcpiHwDisableGpeBlock
281 *
282 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
283 * GpeBlock - Gpe Block info
284 *
285 * RETURN: Status
286 *
132/******************************************************************************
133 *
134 * FUNCTION: AcpiHwWriteGpeEnableReg
135 *
136 * PARAMETERS: GpeEventInfo - Info block for the GPE to be enabled
137 *
138 * RETURN: Status
139 *

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286 *
287 * FUNCTION: AcpiHwDisableGpeBlock
288 *
289 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
290 * GpeBlock - Gpe Block info
291 *
292 * RETURN: Status
293 *
287 * DESCRIPTION: Disable all GPEs within a GPE block
294 * DESCRIPTION: Disable all GPEs within a single GPE block
288 *
289 ******************************************************************************/
290
291ACPI_STATUS
292AcpiHwDisableGpeBlock (
293 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
294 ACPI_GPE_BLOCK_INFO *GpeBlock)
295{

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319 *
320 * FUNCTION: AcpiHwClearGpeBlock
321 *
322 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
323 * GpeBlock - Gpe Block info
324 *
325 * RETURN: Status
326 *
295 *
296 ******************************************************************************/
297
298ACPI_STATUS
299AcpiHwDisableGpeBlock (
300 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
301 ACPI_GPE_BLOCK_INFO *GpeBlock)
302{

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326 *
327 * FUNCTION: AcpiHwClearGpeBlock
328 *
329 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
330 * GpeBlock - Gpe Block info
331 *
332 * RETURN: Status
333 *
327 * DESCRIPTION: Clear status bits for all GPEs within a GPE block
334 * DESCRIPTION: Clear status bits for all GPEs within a single GPE block
328 *
329 ******************************************************************************/
330
331ACPI_STATUS
332AcpiHwClearGpeBlock (
333 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
334 ACPI_GPE_BLOCK_INFO *GpeBlock)
335{

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359 *
360 * FUNCTION: AcpiHwEnableRuntimeGpeBlock
361 *
362 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
363 * GpeBlock - Gpe Block info
364 *
365 * RETURN: Status
366 *
335 *
336 ******************************************************************************/
337
338ACPI_STATUS
339AcpiHwClearGpeBlock (
340 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
341 ACPI_GPE_BLOCK_INFO *GpeBlock)
342{

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366 *
367 * FUNCTION: AcpiHwEnableRuntimeGpeBlock
368 *
369 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
370 * GpeBlock - Gpe Block info
371 *
372 * RETURN: Status
373 *
367 * DESCRIPTION: Enable all "runtime" GPEs within a GPE block. (Includes
368 * combination wake/run GPEs.)
374 * DESCRIPTION: Enable all "runtime" GPEs within a single GPE block. Includes
375 * combination wake/run GPEs.
369 *
370 ******************************************************************************/
371
372ACPI_STATUS
373AcpiHwEnableRuntimeGpeBlock (
374 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
375 ACPI_GPE_BLOCK_INFO *GpeBlock)
376{

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407 *
408 * FUNCTION: AcpiHwEnableWakeupGpeBlock
409 *
410 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
411 * GpeBlock - Gpe Block info
412 *
413 * RETURN: Status
414 *
376 *
377 ******************************************************************************/
378
379ACPI_STATUS
380AcpiHwEnableRuntimeGpeBlock (
381 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
382 ACPI_GPE_BLOCK_INFO *GpeBlock)
383{

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414 *
415 * FUNCTION: AcpiHwEnableWakeupGpeBlock
416 *
417 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
418 * GpeBlock - Gpe Block info
419 *
420 * RETURN: Status
421 *
415 * DESCRIPTION: Enable all "wake" GPEs within a GPE block. (Includes
416 * combination wake/run GPEs.)
422 * DESCRIPTION: Enable all "wake" GPEs within a single GPE block. Includes
423 * combination wake/run GPEs.
417 *
418 ******************************************************************************/
419
424 *
425 ******************************************************************************/
426
420ACPI_STATUS
427static ACPI_STATUS
421AcpiHwEnableWakeupGpeBlock (
422 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
423 ACPI_GPE_BLOCK_INFO *GpeBlock)
424{
425 UINT32 i;
426 ACPI_STATUS Status;
427
428
429 /* Examine each GPE Register within the block */
430
431 for (i = 0; i < GpeBlock->RegisterCount; i++)
432 {
433 if (!GpeBlock->RegisterInfo[i].EnableForWake)
434 {
435 continue;
436 }
437
438 /* Enable all "wake" GPEs in this register */
439
428AcpiHwEnableWakeupGpeBlock (
429 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
430 ACPI_GPE_BLOCK_INFO *GpeBlock)
431{
432 UINT32 i;
433 ACPI_STATUS Status;
434
435
436 /* Examine each GPE Register within the block */
437
438 for (i = 0; i < GpeBlock->RegisterCount; i++)
439 {
440 if (!GpeBlock->RegisterInfo[i].EnableForWake)
441 {
442 continue;
443 }
444
445 /* Enable all "wake" GPEs in this register */
446
440 Status = AcpiHwLowLevelWrite (8, GpeBlock->RegisterInfo[i].EnableForWake,
447 Status = AcpiHwLowLevelWrite (8,
448 GpeBlock->RegisterInfo[i].EnableForWake,
441 &GpeBlock->RegisterInfo[i].EnableAddress);
442 if (ACPI_FAILURE (Status))
443 {
444 return (Status);
445 }
446 }
447
448 return (AE_OK);
449}
450
451
452/******************************************************************************
453 *
454 * FUNCTION: AcpiHwDisableAllGpes
455 *
449 &GpeBlock->RegisterInfo[i].EnableAddress);
450 if (ACPI_FAILURE (Status))
451 {
452 return (Status);
453 }
454 }
455
456 return (AE_OK);
457}
458
459
460/******************************************************************************
461 *
462 * FUNCTION: AcpiHwDisableAllGpes
463 *
456 * PARAMETERS: Flags - ACPI_NOT_ISR or ACPI_ISR
464 * PARAMETERS: None
457 *
458 * RETURN: Status
459 *
465 *
466 * RETURN: Status
467 *
460 * DESCRIPTION: Disable and clear all GPEs
468 * DESCRIPTION: Disable and clear all GPEs in all GPE blocks
461 *
462 ******************************************************************************/
463
464ACPI_STATUS
465AcpiHwDisableAllGpes (
469 *
470 ******************************************************************************/
471
472ACPI_STATUS
473AcpiHwDisableAllGpes (
466 UINT32 Flags)
474 void)
467{
468 ACPI_STATUS Status;
469
470
471 ACPI_FUNCTION_TRACE ("HwDisableAllGpes");
472
473
475{
476 ACPI_STATUS Status;
477
478
479 ACPI_FUNCTION_TRACE ("HwDisableAllGpes");
480
481
474 Status = AcpiEvWalkGpeList (AcpiHwDisableGpeBlock, Flags);
475 Status = AcpiEvWalkGpeList (AcpiHwClearGpeBlock, Flags);
482 Status = AcpiEvWalkGpeList (AcpiHwDisableGpeBlock);
483 Status = AcpiEvWalkGpeList (AcpiHwClearGpeBlock);
476 return_ACPI_STATUS (Status);
477}
478
479
480/******************************************************************************
481 *
482 * FUNCTION: AcpiHwEnableAllRuntimeGpes
483 *
484 return_ACPI_STATUS (Status);
485}
486
487
488/******************************************************************************
489 *
490 * FUNCTION: AcpiHwEnableAllRuntimeGpes
491 *
484 * PARAMETERS: Flags - ACPI_NOT_ISR or ACPI_ISR
492 * PARAMETERS: None
485 *
486 * RETURN: Status
487 *
493 *
494 * RETURN: Status
495 *
488 * DESCRIPTION: Enable all GPEs of the given type
496 * DESCRIPTION: Enable all "runtime" GPEs, in all GPE blocks
489 *
490 ******************************************************************************/
491
492ACPI_STATUS
493AcpiHwEnableAllRuntimeGpes (
497 *
498 ******************************************************************************/
499
500ACPI_STATUS
501AcpiHwEnableAllRuntimeGpes (
494 UINT32 Flags)
502 void)
495{
496 ACPI_STATUS Status;
497
498
499 ACPI_FUNCTION_TRACE ("HwEnableAllRuntimeGpes");
500
501
503{
504 ACPI_STATUS Status;
505
506
507 ACPI_FUNCTION_TRACE ("HwEnableAllRuntimeGpes");
508
509
502 Status = AcpiEvWalkGpeList (AcpiHwEnableRuntimeGpeBlock, Flags);
510 Status = AcpiEvWalkGpeList (AcpiHwEnableRuntimeGpeBlock);
503 return_ACPI_STATUS (Status);
504}
505
506
507/******************************************************************************
508 *
509 * FUNCTION: AcpiHwEnableAllWakeupGpes
510 *
511 return_ACPI_STATUS (Status);
512}
513
514
515/******************************************************************************
516 *
517 * FUNCTION: AcpiHwEnableAllWakeupGpes
518 *
511 * PARAMETERS: Flags - ACPI_NOT_ISR or ACPI_ISR
519 * PARAMETERS: None
512 *
513 * RETURN: Status
514 *
520 *
521 * RETURN: Status
522 *
515 * DESCRIPTION: Enable all GPEs of the given type
523 * DESCRIPTION: Enable all "wakeup" GPEs, in all GPE blocks
516 *
517 ******************************************************************************/
518
519ACPI_STATUS
520AcpiHwEnableAllWakeupGpes (
524 *
525 ******************************************************************************/
526
527ACPI_STATUS
528AcpiHwEnableAllWakeupGpes (
521 UINT32 Flags)
529 void)
522{
523 ACPI_STATUS Status;
524
525
526 ACPI_FUNCTION_TRACE ("HwEnableAllWakeupGpes");
527
528
530{
531 ACPI_STATUS Status;
532
533
534 ACPI_FUNCTION_TRACE ("HwEnableAllWakeupGpes");
535
536
529 Status = AcpiEvWalkGpeList (AcpiHwEnableWakeupGpeBlock, Flags);
537 Status = AcpiEvWalkGpeList (AcpiHwEnableWakeupGpeBlock);
530 return_ACPI_STATUS (Status);
531}
532
538 return_ACPI_STATUS (Status);
539}
540