1 /******************************************************************************
2 *
3 * Module Name: hwgpe - Low level GPE enable/disable/clear functions
4 *
5 *****************************************************************************/
6
7 /******************************************************************************
8 *
9 * 1. Copyright Notice
10 *
11 * Some or all of this work - Copyright (c) 1999 - 2018, 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 #include "acpi.h"
153 #include "accommon.h"
154 #include "acevents.h"
155
156 #define _COMPONENT ACPI_HARDWARE
157 ACPI_MODULE_NAME ("hwgpe")
158
159 #if (!ACPI_REDUCED_HARDWARE) /* Entire module */
160
161 /* Local prototypes */
162
163 static ACPI_STATUS
164 AcpiHwEnableWakeupGpeBlock (
165 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
166 ACPI_GPE_BLOCK_INFO *GpeBlock,
167 void *Context);
168
169 static ACPI_STATUS
170 AcpiHwGpeEnableWrite (
171 UINT8 EnableMask,
172 ACPI_GPE_REGISTER_INFO *GpeRegisterInfo);
173
174
175 /******************************************************************************
176 *
177 * FUNCTION: AcpiHwGetGpeRegisterBit
178 *
179 * PARAMETERS: GpeEventInfo - Info block for the GPE
180 *
181 * RETURN: Register mask with a one in the GPE bit position
182 *
183 * DESCRIPTION: Compute the register mask for this GPE. One bit is set in the
184 * correct position for the input GPE.
185 *
186 ******************************************************************************/
187
188 UINT32
AcpiHwGetGpeRegisterBit(ACPI_GPE_EVENT_INFO * GpeEventInfo)189 AcpiHwGetGpeRegisterBit (
190 ACPI_GPE_EVENT_INFO *GpeEventInfo)
191 {
192
193 return ((UINT32) 1 <<
194 (GpeEventInfo->GpeNumber - GpeEventInfo->RegisterInfo->BaseGpeNumber));
195 }
196
197
198 /******************************************************************************
199 *
200 * FUNCTION: AcpiHwLowSetGpe
201 *
202 * PARAMETERS: GpeEventInfo - Info block for the GPE to be disabled
203 * Action - Enable or disable
204 *
205 * RETURN: Status
206 *
207 * DESCRIPTION: Enable or disable a single GPE in the parent enable register.
208 * The EnableMask field of the involved GPE register must be
209 * updated by the caller if necessary.
210 *
211 ******************************************************************************/
212
213 ACPI_STATUS
AcpiHwLowSetGpe(ACPI_GPE_EVENT_INFO * GpeEventInfo,UINT32 Action)214 AcpiHwLowSetGpe (
215 ACPI_GPE_EVENT_INFO *GpeEventInfo,
216 UINT32 Action)
217 {
218 ACPI_GPE_REGISTER_INFO *GpeRegisterInfo;
219 ACPI_STATUS Status = AE_OK;
220 UINT64 EnableMask;
221 UINT32 RegisterBit;
222
223
224 ACPI_FUNCTION_ENTRY ();
225
226
227 /* Get the info block for the entire GPE register */
228
229 GpeRegisterInfo = GpeEventInfo->RegisterInfo;
230 if (!GpeRegisterInfo)
231 {
232 return (AE_NOT_EXIST);
233 }
234
235 /* Get current value of the enable register that contains this GPE */
236
237 Status = AcpiHwRead (&EnableMask, &GpeRegisterInfo->EnableAddress);
238 if (ACPI_FAILURE (Status))
239 {
240 return (Status);
241 }
242
243 /* Set or clear just the bit that corresponds to this GPE */
244
245 RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo);
246 switch (Action)
247 {
248 case ACPI_GPE_CONDITIONAL_ENABLE:
249
250 /* Only enable if the corresponding EnableMask bit is set */
251
252 if (!(RegisterBit & GpeRegisterInfo->EnableMask))
253 {
254 return (AE_BAD_PARAMETER);
255 }
256
257 /*lint -fallthrough */
258
259 case ACPI_GPE_ENABLE:
260
261 ACPI_SET_BIT (EnableMask, RegisterBit);
262 break;
263
264 case ACPI_GPE_DISABLE:
265
266 ACPI_CLEAR_BIT (EnableMask, RegisterBit);
267 break;
268
269 default:
270
271 ACPI_ERROR ((AE_INFO, "Invalid GPE Action, %u", Action));
272 return (AE_BAD_PARAMETER);
273 }
274
275 if (!(RegisterBit & GpeRegisterInfo->MaskForRun))
276 {
277 /* Write the updated enable mask */
278
279 Status = AcpiHwWrite (EnableMask, &GpeRegisterInfo->EnableAddress);
280 }
281 return (Status);
282 }
283
284
285 /******************************************************************************
286 *
287 * FUNCTION: AcpiHwClearGpe
288 *
289 * PARAMETERS: GpeEventInfo - Info block for the GPE to be cleared
290 *
291 * RETURN: Status
292 *
293 * DESCRIPTION: Clear the status bit for a single GPE.
294 *
295 ******************************************************************************/
296
297 ACPI_STATUS
AcpiHwClearGpe(ACPI_GPE_EVENT_INFO * GpeEventInfo)298 AcpiHwClearGpe (
299 ACPI_GPE_EVENT_INFO *GpeEventInfo)
300 {
301 ACPI_GPE_REGISTER_INFO *GpeRegisterInfo;
302 ACPI_STATUS Status;
303 UINT32 RegisterBit;
304
305
306 ACPI_FUNCTION_ENTRY ();
307
308 /* Get the info block for the entire GPE register */
309
310 GpeRegisterInfo = GpeEventInfo->RegisterInfo;
311 if (!GpeRegisterInfo)
312 {
313 return (AE_NOT_EXIST);
314 }
315
316 /*
317 * Write a one to the appropriate bit in the status register to
318 * clear this GPE.
319 */
320 RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo);
321
322 Status = AcpiHwWrite (RegisterBit, &GpeRegisterInfo->StatusAddress);
323 return (Status);
324 }
325
326
327 /******************************************************************************
328 *
329 * FUNCTION: AcpiHwGetGpeStatus
330 *
331 * PARAMETERS: GpeEventInfo - Info block for the GPE to queried
332 * EventStatus - Where the GPE status is returned
333 *
334 * RETURN: Status
335 *
336 * DESCRIPTION: Return the status of a single GPE.
337 *
338 ******************************************************************************/
339
340 ACPI_STATUS
AcpiHwGetGpeStatus(ACPI_GPE_EVENT_INFO * GpeEventInfo,ACPI_EVENT_STATUS * EventStatus)341 AcpiHwGetGpeStatus (
342 ACPI_GPE_EVENT_INFO *GpeEventInfo,
343 ACPI_EVENT_STATUS *EventStatus)
344 {
345 UINT64 InByte;
346 UINT32 RegisterBit;
347 ACPI_GPE_REGISTER_INFO *GpeRegisterInfo;
348 ACPI_EVENT_STATUS LocalEventStatus = 0;
349 ACPI_STATUS Status;
350
351
352 ACPI_FUNCTION_ENTRY ();
353
354
355 if (!EventStatus)
356 {
357 return (AE_BAD_PARAMETER);
358 }
359
360 /* GPE currently handled? */
361
362 if (ACPI_GPE_DISPATCH_TYPE (GpeEventInfo->Flags) !=
363 ACPI_GPE_DISPATCH_NONE)
364 {
365 LocalEventStatus |= ACPI_EVENT_FLAG_HAS_HANDLER;
366 }
367
368 /* Get the info block for the entire GPE register */
369
370 GpeRegisterInfo = GpeEventInfo->RegisterInfo;
371
372 /* Get the register bitmask for this GPE */
373
374 RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo);
375
376 /* GPE currently enabled? (enabled for runtime?) */
377
378 if (RegisterBit & GpeRegisterInfo->EnableForRun)
379 {
380 LocalEventStatus |= ACPI_EVENT_FLAG_ENABLED;
381 }
382
383 /* GPE currently masked? (masked for runtime?) */
384
385 if (RegisterBit & GpeRegisterInfo->MaskForRun)
386 {
387 LocalEventStatus |= ACPI_EVENT_FLAG_MASKED;
388 }
389
390 /* GPE enabled for wake? */
391
392 if (RegisterBit & GpeRegisterInfo->EnableForWake)
393 {
394 LocalEventStatus |= ACPI_EVENT_FLAG_WAKE_ENABLED;
395 }
396
397 /* GPE currently enabled (enable bit == 1)? */
398
399 Status = AcpiHwRead (&InByte, &GpeRegisterInfo->EnableAddress);
400 if (ACPI_FAILURE (Status))
401 {
402 return (Status);
403 }
404
405 if (RegisterBit & InByte)
406 {
407 LocalEventStatus |= ACPI_EVENT_FLAG_ENABLE_SET;
408 }
409
410 /* GPE currently active (status bit == 1)? */
411
412 Status = AcpiHwRead (&InByte, &GpeRegisterInfo->StatusAddress);
413 if (ACPI_FAILURE (Status))
414 {
415 return (Status);
416 }
417
418 if (RegisterBit & InByte)
419 {
420 LocalEventStatus |= ACPI_EVENT_FLAG_STATUS_SET;
421 }
422
423 /* Set return value */
424
425 (*EventStatus) = LocalEventStatus;
426 return (AE_OK);
427 }
428
429
430 /******************************************************************************
431 *
432 * FUNCTION: AcpiHwGpeEnableWrite
433 *
434 * PARAMETERS: EnableMask - Bit mask to write to the GPE register
435 * GpeRegisterInfo - Gpe Register info
436 *
437 * RETURN: Status
438 *
439 * DESCRIPTION: Write the enable mask byte to the given GPE register.
440 *
441 ******************************************************************************/
442
443 static ACPI_STATUS
AcpiHwGpeEnableWrite(UINT8 EnableMask,ACPI_GPE_REGISTER_INFO * GpeRegisterInfo)444 AcpiHwGpeEnableWrite (
445 UINT8 EnableMask,
446 ACPI_GPE_REGISTER_INFO *GpeRegisterInfo)
447 {
448 ACPI_STATUS Status;
449
450
451 GpeRegisterInfo->EnableMask = EnableMask;
452
453 Status = AcpiHwWrite (EnableMask, &GpeRegisterInfo->EnableAddress);
454 return (Status);
455 }
456
457
458 /******************************************************************************
459 *
460 * FUNCTION: AcpiHwDisableGpeBlock
461 *
462 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
463 * GpeBlock - Gpe Block info
464 *
465 * RETURN: Status
466 *
467 * DESCRIPTION: Disable all GPEs within a single GPE block
468 *
469 ******************************************************************************/
470
471 ACPI_STATUS
AcpiHwDisableGpeBlock(ACPI_GPE_XRUPT_INFO * GpeXruptInfo,ACPI_GPE_BLOCK_INFO * GpeBlock,void * Context)472 AcpiHwDisableGpeBlock (
473 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
474 ACPI_GPE_BLOCK_INFO *GpeBlock,
475 void *Context)
476 {
477 UINT32 i;
478 ACPI_STATUS Status;
479
480
481 /* Examine each GPE Register within the block */
482
483 for (i = 0; i < GpeBlock->RegisterCount; i++)
484 {
485 /* Disable all GPEs in this register */
486
487 Status = AcpiHwGpeEnableWrite (0x00, &GpeBlock->RegisterInfo[i]);
488 if (ACPI_FAILURE (Status))
489 {
490 return (Status);
491 }
492 }
493
494 return (AE_OK);
495 }
496
497
498 /******************************************************************************
499 *
500 * FUNCTION: AcpiHwClearGpeBlock
501 *
502 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
503 * GpeBlock - Gpe Block info
504 *
505 * RETURN: Status
506 *
507 * DESCRIPTION: Clear status bits for all GPEs within a single GPE block
508 *
509 ******************************************************************************/
510
511 ACPI_STATUS
AcpiHwClearGpeBlock(ACPI_GPE_XRUPT_INFO * GpeXruptInfo,ACPI_GPE_BLOCK_INFO * GpeBlock,void * Context)512 AcpiHwClearGpeBlock (
513 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
514 ACPI_GPE_BLOCK_INFO *GpeBlock,
515 void *Context)
516 {
517 UINT32 i;
518 ACPI_STATUS Status;
519
520
521 /* Examine each GPE Register within the block */
522
523 for (i = 0; i < GpeBlock->RegisterCount; i++)
524 {
525 /* Clear status on all GPEs in this register */
526
527 Status = AcpiHwWrite (0xFF, &GpeBlock->RegisterInfo[i].StatusAddress);
528 if (ACPI_FAILURE (Status))
529 {
530 return (Status);
531 }
532 }
533
534 return (AE_OK);
535 }
536
537
538 /******************************************************************************
539 *
540 * FUNCTION: AcpiHwEnableRuntimeGpeBlock
541 *
542 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
543 * GpeBlock - Gpe Block info
544 *
545 * RETURN: Status
546 *
547 * DESCRIPTION: Enable all "runtime" GPEs within a single GPE block. Includes
548 * combination wake/run GPEs.
549 *
550 ******************************************************************************/
551
552 ACPI_STATUS
AcpiHwEnableRuntimeGpeBlock(ACPI_GPE_XRUPT_INFO * GpeXruptInfo,ACPI_GPE_BLOCK_INFO * GpeBlock,void * Context)553 AcpiHwEnableRuntimeGpeBlock (
554 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
555 ACPI_GPE_BLOCK_INFO *GpeBlock,
556 void *Context)
557 {
558 UINT32 i;
559 ACPI_STATUS Status;
560 ACPI_GPE_REGISTER_INFO *GpeRegisterInfo;
561 UINT8 EnableMask;
562
563
564 /* NOTE: assumes that all GPEs are currently disabled */
565
566 /* Examine each GPE Register within the block */
567
568 for (i = 0; i < GpeBlock->RegisterCount; i++)
569 {
570 GpeRegisterInfo = &GpeBlock->RegisterInfo[i];
571 if (!GpeRegisterInfo->EnableForRun)
572 {
573 continue;
574 }
575
576 /* Enable all "runtime" GPEs in this register */
577
578 EnableMask = GpeRegisterInfo->EnableForRun &
579 ~GpeRegisterInfo->MaskForRun;
580 Status = AcpiHwGpeEnableWrite (EnableMask, GpeRegisterInfo);
581 if (ACPI_FAILURE (Status))
582 {
583 return (Status);
584 }
585 }
586
587 return (AE_OK);
588 }
589
590
591 /******************************************************************************
592 *
593 * FUNCTION: AcpiHwEnableWakeupGpeBlock
594 *
595 * PARAMETERS: GpeXruptInfo - GPE Interrupt info
596 * GpeBlock - Gpe Block info
597 *
598 * RETURN: Status
599 *
600 * DESCRIPTION: Enable all "wake" GPEs within a single GPE block. Includes
601 * combination wake/run GPEs.
602 *
603 ******************************************************************************/
604
605 static ACPI_STATUS
AcpiHwEnableWakeupGpeBlock(ACPI_GPE_XRUPT_INFO * GpeXruptInfo,ACPI_GPE_BLOCK_INFO * GpeBlock,void * Context)606 AcpiHwEnableWakeupGpeBlock (
607 ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
608 ACPI_GPE_BLOCK_INFO *GpeBlock,
609 void *Context)
610 {
611 UINT32 i;
612 ACPI_STATUS Status;
613 ACPI_GPE_REGISTER_INFO *GpeRegisterInfo;
614
615
616 /* Examine each GPE Register within the block */
617
618 for (i = 0; i < GpeBlock->RegisterCount; i++)
619 {
620 GpeRegisterInfo = &GpeBlock->RegisterInfo[i];
621
622 /*
623 * Enable all "wake" GPEs in this register and disable the
624 * remaining ones.
625 */
626 Status = AcpiHwGpeEnableWrite (GpeRegisterInfo->EnableForWake,
627 GpeRegisterInfo);
628 if (ACPI_FAILURE (Status))
629 {
630 return (Status);
631 }
632 }
633
634 return (AE_OK);
635 }
636
637
638 /******************************************************************************
639 *
640 * FUNCTION: AcpiHwDisableAllGpes
641 *
642 * PARAMETERS: None
643 *
644 * RETURN: Status
645 *
646 * DESCRIPTION: Disable and clear all GPEs in all GPE blocks
647 *
648 ******************************************************************************/
649
650 ACPI_STATUS
AcpiHwDisableAllGpes(void)651 AcpiHwDisableAllGpes (
652 void)
653 {
654 ACPI_STATUS Status;
655
656
657 ACPI_FUNCTION_TRACE (HwDisableAllGpes);
658
659
660 Status = AcpiEvWalkGpeList (AcpiHwDisableGpeBlock, NULL);
661 return_ACPI_STATUS (Status);
662 }
663
664
665 /******************************************************************************
666 *
667 * FUNCTION: AcpiHwEnableAllRuntimeGpes
668 *
669 * PARAMETERS: None
670 *
671 * RETURN: Status
672 *
673 * DESCRIPTION: Enable all "runtime" GPEs, in all GPE blocks
674 *
675 ******************************************************************************/
676
677 ACPI_STATUS
AcpiHwEnableAllRuntimeGpes(void)678 AcpiHwEnableAllRuntimeGpes (
679 void)
680 {
681 ACPI_STATUS Status;
682
683
684 ACPI_FUNCTION_TRACE (HwEnableAllRuntimeGpes);
685
686
687 Status = AcpiEvWalkGpeList (AcpiHwEnableRuntimeGpeBlock, NULL);
688 return_ACPI_STATUS (Status);
689 }
690
691
692 /******************************************************************************
693 *
694 * FUNCTION: AcpiHwEnableAllWakeupGpes
695 *
696 * PARAMETERS: None
697 *
698 * RETURN: Status
699 *
700 * DESCRIPTION: Enable all "wakeup" GPEs, in all GPE blocks
701 *
702 ******************************************************************************/
703
704 ACPI_STATUS
AcpiHwEnableAllWakeupGpes(void)705 AcpiHwEnableAllWakeupGpes (
706 void)
707 {
708 ACPI_STATUS Status;
709
710
711 ACPI_FUNCTION_TRACE (HwEnableAllWakeupGpes);
712
713
714 Status = AcpiEvWalkGpeList (AcpiHwEnableWakeupGpeBlock, NULL);
715 return_ACPI_STATUS (Status);
716 }
717
718 #endif /* !ACPI_REDUCED_HARDWARE */
719