Rev 1498 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1498 | serge | 1 | |
2 | * |
||
3 | * Name: hwsleep.c - ACPI Hardware Sleep/Wake Interface |
||
4 | * |
||
5 | *****************************************************************************/ |
||
6 | |||
7 | |||
8 | * |
||
9 | * 1. Copyright Notice |
||
10 | * |
||
11 | * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp. |
||
2216 | Serge | 12 | * All rights reserved. |
1498 | serge | 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 | |||
117 | #include "accommon.h" |
||
118 | |||
119 | |||
120 | ACPI_MODULE_NAME ("hwsleep") |
||
121 | |||
122 | |||
123 | |||
124 | * |
||
125 | * FUNCTION: AcpiSetFirmwareWakingVector |
||
126 | * |
||
127 | * PARAMETERS: PhysicalAddress - 32-bit physical address of ACPI real mode |
||
128 | * entry point. |
||
129 | * |
||
130 | * RETURN: Status |
||
131 | * |
||
132 | * DESCRIPTION: Sets the 32-bit FirmwareWakingVector field of the FACS |
||
133 | * |
||
134 | ******************************************************************************/ |
||
135 | |||
136 | |||
137 | AcpiSetFirmwareWakingVector ( |
||
138 | UINT32 PhysicalAddress) |
||
139 | { |
||
140 | ACPI_FUNCTION_TRACE (AcpiSetFirmwareWakingVector); |
||
141 | |||
142 | |||
143 | |||
144 | |||
145 | |||
146 | |||
147 | |||
148 | |||
149 | |||
150 | { |
||
151 | AcpiGbl_FACS->XFirmwareWakingVector = 0; |
||
152 | } |
||
153 | |||
154 | |||
155 | } |
||
156 | |||
157 | |||
158 | |||
159 | |||
160 | |||
161 | /******************************************************************************* |
||
162 | * |
||
163 | * FUNCTION: AcpiSetFirmwareWakingVector64 |
||
164 | * |
||
165 | * PARAMETERS: PhysicalAddress - 64-bit physical address of ACPI protected |
||
166 | * mode entry point. |
||
167 | * |
||
168 | * RETURN: Status |
||
169 | * |
||
170 | * DESCRIPTION: Sets the 64-bit X_FirmwareWakingVector field of the FACS, if |
||
171 | * it exists in the table. This function is intended for use with |
||
172 | * 64-bit host operating systems. |
||
173 | * |
||
174 | ******************************************************************************/ |
||
175 | |||
176 | |||
177 | AcpiSetFirmwareWakingVector64 ( |
||
178 | UINT64 PhysicalAddress) |
||
179 | { |
||
180 | ACPI_FUNCTION_TRACE (AcpiSetFirmwareWakingVector64); |
||
181 | |||
182 | |||
183 | |||
184 | |||
185 | |||
186 | { |
||
187 | return_ACPI_STATUS (AE_NOT_EXIST); |
||
188 | } |
||
189 | |||
190 | |||
191 | |||
192 | |||
193 | AcpiGbl_FACS->XFirmwareWakingVector = PhysicalAddress; |
||
194 | return_ACPI_STATUS (AE_OK); |
||
195 | } |
||
196 | |||
197 | |||
198 | #endif |
||
199 | |||
200 | |||
201 | * |
||
202 | * FUNCTION: AcpiEnterSleepStatePrep |
||
203 | * |
||
204 | * PARAMETERS: SleepState - Which sleep state to enter |
||
205 | * |
||
206 | * RETURN: Status |
||
207 | * |
||
208 | * DESCRIPTION: Prepare to enter a system sleep state (see ACPI 2.0 spec p 231) |
||
209 | * This function must execute with interrupts enabled. |
||
210 | * We break sleeping into 2 stages so that OSPM can handle |
||
211 | * various OS-specific tasks between the two steps. |
||
212 | * |
||
213 | ******************************************************************************/ |
||
214 | |||
215 | |||
216 | AcpiEnterSleepStatePrep ( |
||
217 | UINT8 SleepState) |
||
218 | { |
||
219 | ACPI_STATUS Status; |
||
220 | ACPI_OBJECT_LIST ArgList; |
||
221 | ACPI_OBJECT Arg; |
||
222 | |||
223 | |||
224 | |||
225 | |||
226 | |||
227 | |||
228 | |||
229 | |||
230 | &AcpiGbl_SleepTypeA, &AcpiGbl_SleepTypeB); |
||
231 | if (ACPI_FAILURE (Status)) |
||
232 | { |
||
233 | return_ACPI_STATUS (Status); |
||
234 | } |
||
235 | |||
236 | |||
237 | |||
238 | |||
239 | ArgList.Pointer = &Arg; |
||
240 | Arg.Type = ACPI_TYPE_INTEGER; |
||
241 | Arg.Integer.Value = SleepState; |
||
242 | |||
243 | |||
244 | if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND) |
||
245 | { |
||
246 | return_ACPI_STATUS (Status); |
||
247 | } |
||
248 | |||
249 | |||
250 | |||
251 | |||
252 | { |
||
253 | case ACPI_STATE_S0: |
||
254 | Arg.Integer.Value = ACPI_SST_WORKING; |
||
255 | break; |
||
256 | |||
257 | |||
258 | case ACPI_STATE_S2: |
||
259 | case ACPI_STATE_S3: |
||
260 | Arg.Integer.Value = ACPI_SST_SLEEPING; |
||
261 | break; |
||
262 | |||
263 | |||
264 | Arg.Integer.Value = ACPI_SST_SLEEP_CONTEXT; |
||
265 | break; |
||
266 | |||
267 | |||
268 | Arg.Integer.Value = ACPI_SST_INDICATOR_OFF; /* Default is off */ |
||
269 | break; |
||
270 | } |
||
271 | |||
272 | |||
273 | * Set the system indicators to show the desired sleep state. |
||
274 | * _SST is an optional method (return no error if not found) |
||
275 | */ |
||
276 | Status = AcpiEvaluateObject (NULL, METHOD_NAME__SST, &ArgList, NULL); |
||
277 | if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND) |
||
278 | { |
||
279 | ACPI_EXCEPTION ((AE_INFO, Status, "While executing method _SST")); |
||
280 | } |
||
281 | |||
282 | |||
283 | } |
||
284 | |||
285 | |||
286 | |||
287 | |||
288 | |||
289 | * |
||
290 | * FUNCTION: AcpiEnterSleepState |
||
291 | * |
||
292 | * PARAMETERS: SleepState - Which sleep state to enter |
||
293 | * |
||
294 | * RETURN: Status |
||
295 | * |
||
296 | * DESCRIPTION: Enter a system sleep state |
||
297 | * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED |
||
298 | * |
||
299 | ******************************************************************************/ |
||
300 | |||
301 | |||
302 | AcpiEnterSleepState ( |
||
303 | UINT8 SleepState) |
||
304 | { |
||
305 | UINT32 Pm1aControl; |
||
306 | UINT32 Pm1bControl; |
||
307 | ACPI_BIT_REGISTER_INFO *SleepTypeRegInfo; |
||
308 | ACPI_BIT_REGISTER_INFO *SleepEnableRegInfo; |
||
309 | UINT32 InValue; |
||
310 | ACPI_OBJECT_LIST ArgList; |
||
311 | ACPI_OBJECT Arg; |
||
312 | ACPI_STATUS Status; |
||
313 | |||
314 | |||
315 | |||
316 | |||
317 | |||
318 | |||
319 | (AcpiGbl_SleepTypeB > ACPI_SLEEP_TYPE_MAX)) |
||
320 | { |
||
321 | ACPI_ERROR ((AE_INFO, "Sleep values out of range: A=0x%X B=0x%X", |
||
322 | AcpiGbl_SleepTypeA, AcpiGbl_SleepTypeB)); |
||
323 | return_ACPI_STATUS (AE_AML_OPERAND_VALUE); |
||
324 | } |
||
325 | |||
326 | |||
327 | SleepEnableRegInfo = AcpiHwGetBitRegisterInfo (ACPI_BITREG_SLEEP_ENABLE); |
||
328 | |||
329 | |||
330 | |||
331 | |||
332 | if (ACPI_FAILURE (Status)) |
||
333 | { |
||
334 | return_ACPI_STATUS (Status); |
||
335 | } |
||
336 | |||
337 | |||
338 | |||
339 | |||
340 | if (ACPI_FAILURE (Status)) |
||
341 | { |
||
342 | return_ACPI_STATUS (Status); |
||
343 | } |
||
344 | |||
345 | |||
346 | { |
||
347 | /* |
||
348 | * Disable BM arbitration. This feature is contained within an |
||
349 | * optional register (PM2 Control), so ignore a BAD_ADDRESS |
||
350 | * exception. |
||
351 | */ |
||
352 | Status = AcpiWriteBitRegister (ACPI_BITREG_ARB_DISABLE, 1); |
||
353 | if (ACPI_FAILURE (Status) && (Status != AE_BAD_ADDRESS)) |
||
354 | { |
||
355 | return_ACPI_STATUS (Status); |
||
356 | } |
||
357 | } |
||
358 | |||
359 | |||
360 | * 1) Disable/Clear all GPEs |
||
361 | * 2) Enable all wakeup GPEs |
||
362 | */ |
||
363 | Status = AcpiHwDisableAllGpes (); |
||
364 | if (ACPI_FAILURE (Status)) |
||
365 | { |
||
366 | return_ACPI_STATUS (Status); |
||
367 | } |
||
368 | AcpiGbl_SystemAwakeAndRunning = FALSE; |
||
369 | |||
370 | |||
371 | if (ACPI_FAILURE (Status)) |
||
372 | { |
||
373 | return_ACPI_STATUS (Status); |
||
374 | } |
||
375 | |||
376 | |||
377 | |||
378 | |||
379 | ArgList.Pointer = &Arg; |
||
380 | Arg.Type = ACPI_TYPE_INTEGER; |
||
381 | Arg.Integer.Value = SleepState; |
||
382 | |||
383 | |||
384 | if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND) |
||
385 | { |
||
386 | return_ACPI_STATUS (Status); |
||
387 | } |
||
388 | |||
389 | |||
390 | |||
391 | |||
392 | &Pm1aControl); |
||
393 | if (ACPI_FAILURE (Status)) |
||
394 | { |
||
395 | return_ACPI_STATUS (Status); |
||
396 | } |
||
397 | ACPI_DEBUG_PRINT ((ACPI_DB_INIT, |
||
398 | "Entering sleep state [S%u]\n", SleepState)); |
||
399 | |||
400 | |||
401 | |||
402 | |||
403 | SleepEnableRegInfo->AccessBitMask); |
||
404 | Pm1bControl = Pm1aControl; |
||
405 | |||
406 | |||
407 | |||
408 | |||
409 | Pm1bControl |= (AcpiGbl_SleepTypeB << SleepTypeRegInfo->BitPosition); |
||
410 | |||
411 | |||
412 | * We split the writes of SLP_TYP and SLP_EN to workaround |
||
413 | * poorly implemented hardware. |
||
414 | */ |
||
415 | |||
416 | |||
417 | |||
418 | |||
419 | if (ACPI_FAILURE (Status)) |
||
420 | { |
||
421 | return_ACPI_STATUS (Status); |
||
422 | } |
||
423 | |||
424 | |||
425 | |||
426 | |||
427 | Pm1bControl |= SleepEnableRegInfo->AccessBitMask; |
||
428 | |||
429 | |||
430 | |||
431 | |||
432 | |||
433 | |||
434 | |||
435 | |||
436 | if (ACPI_FAILURE (Status)) |
||
437 | { |
||
438 | return_ACPI_STATUS (Status); |
||
439 | } |
||
440 | |||
441 | |||
442 | { |
||
443 | /* |
||
444 | * We wanted to sleep > S3, but it didn't happen (by virtue of the |
||
445 | * fact that we are still executing!) |
||
446 | * |
||
447 | * Wait ten seconds, then try again. This is to get S4/S5 to work on |
||
448 | * all machines. |
||
449 | * |
||
450 | * We wait so long to allow chipsets that poll this reg very slowly |
||
451 | * to still read the right value. Ideally, this block would go |
||
452 | * away entirely. |
||
453 | */ |
||
454 | AcpiOsStall (10000000); |
||
455 | |||
456 | |||
457 | SleepEnableRegInfo->AccessBitMask); |
||
458 | if (ACPI_FAILURE (Status)) |
||
459 | { |
||
460 | return_ACPI_STATUS (Status); |
||
461 | } |
||
462 | } |
||
463 | |||
464 | |||
465 | |||
466 | |||
467 | { |
||
468 | Status = AcpiReadBitRegister (ACPI_BITREG_WAKE_STATUS, &InValue); |
||
469 | if (ACPI_FAILURE (Status)) |
||
470 | { |
||
471 | return_ACPI_STATUS (Status); |
||
472 | } |
||
473 | |||
474 | |||
475 | |||
476 | |||
477 | |||
478 | |||
479 | } |
||
480 | |||
481 | |||
482 | |||
483 | |||
484 | |||
485 | * |
||
486 | * FUNCTION: AcpiEnterSleepStateS4bios |
||
487 | * |
||
488 | * PARAMETERS: None |
||
489 | * |
||
490 | * RETURN: Status |
||
491 | * |
||
492 | * DESCRIPTION: Perform a S4 bios request. |
||
493 | * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED |
||
494 | * |
||
495 | ******************************************************************************/ |
||
496 | |||
497 | |||
498 | AcpiEnterSleepStateS4bios ( |
||
499 | void) |
||
500 | { |
||
501 | UINT32 InValue; |
||
502 | ACPI_STATUS Status; |
||
503 | |||
504 | |||
505 | |||
506 | |||
507 | |||
508 | |||
509 | |||
510 | |||
511 | if (ACPI_FAILURE (Status)) |
||
512 | { |
||
513 | return_ACPI_STATUS (Status); |
||
514 | } |
||
515 | |||
516 | |||
517 | if (ACPI_FAILURE (Status)) |
||
518 | { |
||
519 | return_ACPI_STATUS (Status); |
||
520 | } |
||
521 | |||
522 | |||
523 | * 1) Disable/Clear all GPEs |
||
524 | * 2) Enable all wakeup GPEs |
||
525 | */ |
||
526 | Status = AcpiHwDisableAllGpes (); |
||
527 | if (ACPI_FAILURE (Status)) |
||
528 | { |
||
529 | return_ACPI_STATUS (Status); |
||
530 | } |
||
531 | AcpiGbl_SystemAwakeAndRunning = FALSE; |
||
532 | |||
533 | |||
534 | if (ACPI_FAILURE (Status)) |
||
535 | { |
||
536 | return_ACPI_STATUS (Status); |
||
537 | } |
||
538 | |||
539 | |||
540 | |||
541 | |||
542 | (UINT32) AcpiGbl_FADT.S4BiosRequest, 8); |
||
543 | |||
544 | |||
545 | AcpiOsStall(1000); |
||
546 | Status = AcpiReadBitRegister (ACPI_BITREG_WAKE_STATUS, &InValue); |
||
547 | if (ACPI_FAILURE (Status)) |
||
548 | { |
||
549 | return_ACPI_STATUS (Status); |
||
550 | } |
||
551 | } while (!InValue); |
||
552 | |||
553 | |||
554 | } |
||
555 | |||
556 | |||
557 | |||
558 | |||
559 | |||
560 | * |
||
561 | * FUNCTION: AcpiLeaveSleepState |
||
562 | * |
||
563 | * PARAMETERS: SleepState - Which sleep state we just exited |
||
564 | * |
||
565 | * RETURN: Status |
||
566 | * |
||
567 | * DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep |
||
568 | * Called with interrupts ENABLED. |
||
569 | * |
||
570 | ******************************************************************************/ |
||
571 | |||
572 | |||
573 | AcpiLeaveSleepState ( |
||
574 | UINT8 SleepState) |
||
575 | { |
||
576 | ACPI_OBJECT_LIST ArgList; |
||
577 | ACPI_OBJECT Arg; |
||
578 | ACPI_STATUS Status; |
||
579 | ACPI_BIT_REGISTER_INFO *SleepTypeRegInfo; |
||
580 | ACPI_BIT_REGISTER_INFO *SleepEnableRegInfo; |
||
581 | UINT32 Pm1aControl; |
||
582 | UINT32 Pm1bControl; |
||
583 | |||
584 | |||
585 | |||
586 | |||
587 | |||
588 | |||
589 | * Set SLP_TYPE and SLP_EN to state S0. |
||
590 | * This is unclear from the ACPI Spec, but it is required |
||
591 | * by some machines. |
||
592 | */ |
||
593 | Status = AcpiGetSleepTypeData (ACPI_STATE_S0, |
||
594 | &AcpiGbl_SleepTypeA, &AcpiGbl_SleepTypeB); |
||
595 | if (ACPI_SUCCESS (Status)) |
||
596 | { |
||
597 | SleepTypeRegInfo = |
||
598 | AcpiHwGetBitRegisterInfo (ACPI_BITREG_SLEEP_TYPE); |
||
599 | SleepEnableRegInfo = |
||
600 | AcpiHwGetBitRegisterInfo (ACPI_BITREG_SLEEP_ENABLE); |
||
601 | |||
602 | |||
603 | |||
604 | |||
605 | &Pm1aControl); |
||
606 | if (ACPI_SUCCESS (Status)) |
||
607 | { |
||
608 | /* Clear the SLP_EN and SLP_TYP fields */ |
||
609 | |||
610 | |||
611 | SleepEnableRegInfo->AccessBitMask); |
||
612 | Pm1bControl = Pm1aControl; |
||
613 | |||
614 | |||
615 | |||
616 | |||
617 | SleepTypeRegInfo->BitPosition); |
||
618 | Pm1bControl |= (AcpiGbl_SleepTypeB << |
||
619 | SleepTypeRegInfo->BitPosition); |
||
620 | |||
621 | |||
622 | |||
623 | |||
624 | } |
||
625 | } |
||
626 | |||
627 | |||
628 | |||
629 | |||
630 | |||
631 | |||
632 | |||
633 | |||
634 | ArgList.Pointer = &Arg; |
||
635 | Arg.Type = ACPI_TYPE_INTEGER; |
||
636 | |||
637 | |||
638 | |||
639 | |||
640 | Status = AcpiEvaluateObject (NULL, METHOD_NAME__SST, &ArgList, NULL); |
||
641 | if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND) |
||
642 | { |
||
643 | ACPI_EXCEPTION ((AE_INFO, Status, "During Method _SST")); |
||
644 | } |
||
645 | |||
646 | |||
647 | Status = AcpiEvaluateObject (NULL, METHOD_NAME__BFS, &ArgList, NULL); |
||
648 | if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND) |
||
649 | { |
||
650 | ACPI_EXCEPTION ((AE_INFO, Status, "During Method _BFS")); |
||
651 | } |
||
652 | |||
653 | |||
654 | if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND) |
||
655 | { |
||
656 | ACPI_EXCEPTION ((AE_INFO, Status, "During Method _WAK")); |
||
657 | } |
||
658 | /* TBD: _WAK "sometimes" returns stuff - do we want to look at it? */ |
||
659 | |||
660 | |||
661 | * Restore the GPEs: |
||
662 | * 1) Disable/Clear all GPEs |
||
663 | * 2) Enable all runtime GPEs |
||
664 | */ |
||
665 | Status = AcpiHwDisableAllGpes (); |
||
666 | if (ACPI_FAILURE (Status)) |
||
667 | { |
||
668 | return_ACPI_STATUS (Status); |
||
669 | } |
||
670 | AcpiGbl_SystemAwakeAndRunning = TRUE; |
||
671 | |||
672 | |||
673 | if (ACPI_FAILURE (Status)) |
||
674 | { |
||
675 | return_ACPI_STATUS (Status); |
||
676 | } |
||
677 | |||
678 | |||
679 | |||
680 | |||
681 | AcpiGbl_FixedEventInfo[ACPI_EVENT_POWER_BUTTON].EnableRegisterId, |
||
682 | ACPI_ENABLE_EVENT); |
||
683 | |||
684 | |||
685 | AcpiGbl_FixedEventInfo[ACPI_EVENT_POWER_BUTTON].StatusRegisterId, |
||
686 | ACPI_CLEAR_STATUS); |
||
687 | |||
688 | |||
689 | * Enable BM arbitration. This feature is contained within an |
||
690 | * optional register (PM2 Control), so ignore a BAD_ADDRESS |
||
691 | * exception. |
||
692 | */ |
||
693 | Status = AcpiWriteBitRegister (ACPI_BITREG_ARB_DISABLE, 0); |
||
694 | if (ACPI_FAILURE (Status) && (Status != AE_BAD_ADDRESS)) |
||
695 | { |
||
696 | return_ACPI_STATUS (Status); |
||
697 | } |
||
698 | |||
699 | |||
700 | Status = AcpiEvaluateObject (NULL, METHOD_NAME__SST, &ArgList, NULL); |
||
701 | if (ACPI_FAILURE (Status) && Status != AE_NOT_FOUND) |
||
702 | { |
||
703 | ACPI_EXCEPTION ((AE_INFO, Status, "During Method _SST")); |
||
704 | } |
||
705 | |||
706 | |||
707 | } |
||
708 | |||
709 | |||
710 | >< |
||
711 |