1 /******************************************************************************
2  *
3  * Name: acevents.h - Event subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2021, 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 #ifndef __ACEVENTS_H__
153 #define __ACEVENTS_H__
154 
155 
156 /*
157  * Conditions to trigger post enabling GPE polling:
158  * It is not sufficient to trigger edge-triggered GPE with specific GPE
159  * chips, software need to poll once after enabling.
160  */
161 #ifdef ACPI_USE_GPE_POLLING
162 #define ACPI_GPE_IS_POLLING_NEEDED(__gpe__)             \
163     ((__gpe__)->RuntimeCount == 1 &&                    \
164      (__gpe__)->Flags & ACPI_GPE_INITIALIZED &&         \
165      ((__gpe__)->Flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_EDGE_TRIGGERED)
166 #else
167 #define ACPI_GPE_IS_POLLING_NEEDED(__gpe__)             FALSE
168 #endif
169 
170 
171 /*
172  * evevent
173  */
174 ACPI_STATUS
175 AcpiEvInitializeEvents (
176     void);
177 
178 ACPI_STATUS
179 AcpiEvInstallXruptHandlers (
180     void);
181 
182 UINT32
183 AcpiEvFixedEventDetect (
184     void);
185 
186 
187 /*
188  * evmisc
189  */
190 BOOLEAN
191 AcpiEvIsNotifyObject (
192     ACPI_NAMESPACE_NODE     *Node);
193 
194 UINT32
195 AcpiEvGetGpeNumberIndex (
196     UINT32                  GpeNumber);
197 
198 ACPI_STATUS
199 AcpiEvQueueNotifyRequest (
200     ACPI_NAMESPACE_NODE     *Node,
201     UINT32                  NotifyValue);
202 
203 
204 /*
205  * evglock - Global Lock support
206  */
207 ACPI_STATUS
208 AcpiEvInitGlobalLockHandler (
209     void);
210 
211 ACPI_HW_DEPENDENT_RETURN_OK (
212 ACPI_STATUS
213 AcpiEvAcquireGlobalLock(
214     UINT16                  Timeout))
215 
216 ACPI_HW_DEPENDENT_RETURN_OK (
217 ACPI_STATUS
218 AcpiEvReleaseGlobalLock(
219     void))
220 
221 ACPI_STATUS
222 AcpiEvRemoveGlobalLockHandler (
223     void);
224 
225 
226 /*
227  * evgpe - Low-level GPE support
228  */
229 UINT32
230 AcpiEvGpeDetect (
231     ACPI_GPE_XRUPT_INFO     *GpeXruptList);
232 
233 ACPI_STATUS
234 AcpiEvUpdateGpeEnableMask (
235     ACPI_GPE_EVENT_INFO     *GpeEventInfo);
236 
237 ACPI_STATUS
238 AcpiEvEnableGpe (
239     ACPI_GPE_EVENT_INFO     *GpeEventInfo);
240 
241 ACPI_STATUS
242 AcpiEvMaskGpe (
243     ACPI_GPE_EVENT_INFO     *GpeEventInfo,
244     BOOLEAN                 IsMasked);
245 
246 ACPI_STATUS
247 AcpiEvAddGpeReference (
248     ACPI_GPE_EVENT_INFO     *GpeEventInfo,
249     BOOLEAN                 ClearOnEnable);
250 
251 ACPI_STATUS
252 AcpiEvRemoveGpeReference (
253     ACPI_GPE_EVENT_INFO     *GpeEventInfo);
254 
255 ACPI_GPE_EVENT_INFO *
256 AcpiEvGetGpeEventInfo (
257     ACPI_HANDLE             GpeDevice,
258     UINT32                  GpeNumber);
259 
260 ACPI_GPE_EVENT_INFO *
261 AcpiEvLowGetGpeInfo (
262     UINT32                  GpeNumber,
263     ACPI_GPE_BLOCK_INFO     *GpeBlock);
264 
265 ACPI_STATUS
266 AcpiEvFinishGpe (
267     ACPI_GPE_EVENT_INFO     *GpeEventInfo);
268 
269 UINT32
270 AcpiEvDetectGpe (
271     ACPI_NAMESPACE_NODE     *GpeDevice,
272     ACPI_GPE_EVENT_INFO     *GpeEventInfo,
273     UINT32                  GpeNumber);
274 
275 
276 /*
277  * evgpeblk - Upper-level GPE block support
278  */
279 ACPI_STATUS
280 AcpiEvCreateGpeBlock (
281     ACPI_NAMESPACE_NODE     *GpeDevice,
282     UINT64                  Address,
283     UINT8                   SpaceId,
284     UINT32                  RegisterCount,
285     UINT16                  GpeBlockBaseNumber,
286     UINT32                  InterruptNumber,
287     ACPI_GPE_BLOCK_INFO     **ReturnGpeBlock);
288 
289 ACPI_STATUS
290 AcpiEvInitializeGpeBlock (
291     ACPI_GPE_XRUPT_INFO     *GpeXruptInfo,
292     ACPI_GPE_BLOCK_INFO     *GpeBlock,
293     void                    *Context);
294 
295 ACPI_HW_DEPENDENT_RETURN_OK (
296 ACPI_STATUS
297 AcpiEvDeleteGpeBlock (
298     ACPI_GPE_BLOCK_INFO     *GpeBlock))
299 
300 UINT32
301 AcpiEvGpeDispatch (
302     ACPI_NAMESPACE_NODE     *GpeDevice,
303     ACPI_GPE_EVENT_INFO     *GpeEventInfo,
304     UINT32                  GpeNumber);
305 
306 
307 /*
308  * evgpeinit - GPE initialization and update
309  */
310 ACPI_STATUS
311 AcpiEvGpeInitialize (
312     void);
313 
314 ACPI_HW_DEPENDENT_RETURN_VOID (
315 void
316 AcpiEvUpdateGpes (
317     ACPI_OWNER_ID           TableOwnerId))
318 
319 ACPI_STATUS
320 AcpiEvMatchGpeMethod (
321     ACPI_HANDLE             ObjHandle,
322     UINT32                  Level,
323     void                    *Context,
324     void                    **ReturnValue);
325 
326 
327 /*
328  * evgpeutil - GPE utilities
329  */
330 ACPI_STATUS
331 AcpiEvWalkGpeList (
332     ACPI_GPE_CALLBACK       GpeWalkCallback,
333     void                    *Context);
334 
335 ACPI_STATUS
336 AcpiEvGetGpeDevice (
337     ACPI_GPE_XRUPT_INFO     *GpeXruptInfo,
338     ACPI_GPE_BLOCK_INFO     *GpeBlock,
339     void                    *Context);
340 
341 ACPI_STATUS
342 AcpiEvGetGpeXruptBlock (
343     UINT32                  InterruptNumber,
344     ACPI_GPE_XRUPT_INFO     **GpeXruptBlock);
345 
346 ACPI_STATUS
347 AcpiEvDeleteGpeXrupt (
348     ACPI_GPE_XRUPT_INFO     *GpeXrupt);
349 
350 ACPI_STATUS
351 AcpiEvDeleteGpeHandlers (
352     ACPI_GPE_XRUPT_INFO     *GpeXruptInfo,
353     ACPI_GPE_BLOCK_INFO     *GpeBlock,
354     void                    *Context);
355 
356 
357 /*
358  * evhandler - Address space handling
359  */
360 ACPI_OPERAND_OBJECT *
361 AcpiEvFindRegionHandler (
362     ACPI_ADR_SPACE_TYPE     SpaceId,
363     ACPI_OPERAND_OBJECT     *HandlerObj);
364 
365 BOOLEAN
366 AcpiEvHasDefaultHandler (
367     ACPI_NAMESPACE_NODE     *Node,
368     ACPI_ADR_SPACE_TYPE     SpaceId);
369 
370 ACPI_STATUS
371 AcpiEvInstallRegionHandlers (
372     void);
373 
374 ACPI_STATUS
375 AcpiEvInstallSpaceHandler (
376     ACPI_NAMESPACE_NODE     *Node,
377     ACPI_ADR_SPACE_TYPE     SpaceId,
378     ACPI_ADR_SPACE_HANDLER  Handler,
379     ACPI_ADR_SPACE_SETUP    Setup,
380     void                    *Context);
381 
382 
383 /*
384  * evregion - Operation region support
385  */
386 ACPI_STATUS
387 AcpiEvInitializeOpRegions (
388     void);
389 
390 ACPI_STATUS
391 AcpiEvAddressSpaceDispatch (
392     ACPI_OPERAND_OBJECT     *RegionObj,
393     ACPI_OPERAND_OBJECT     *FieldObj,
394     UINT32                  Function,
395     UINT32                  RegionOffset,
396     UINT32                  BitWidth,
397     UINT64                  *Value);
398 
399 ACPI_STATUS
400 AcpiEvAttachRegion (
401     ACPI_OPERAND_OBJECT     *HandlerObj,
402     ACPI_OPERAND_OBJECT     *RegionObj,
403     BOOLEAN                 AcpiNsIsLocked);
404 
405 void
406 AcpiEvDetachRegion (
407     ACPI_OPERAND_OBJECT     *RegionObj,
408     BOOLEAN                 AcpiNsIsLocked);
409 
410 void
411 AcpiEvExecuteRegMethods (
412     ACPI_NAMESPACE_NODE     *Node,
413     ACPI_ADR_SPACE_TYPE     SpaceId,
414     UINT32                  Function);
415 
416 ACPI_STATUS
417 AcpiEvExecuteRegMethod (
418     ACPI_OPERAND_OBJECT     *RegionObj,
419     UINT32                  Function);
420 
421 
422 /*
423  * evregini - Region initialization and setup
424  */
425 ACPI_STATUS
426 AcpiEvSystemMemoryRegionSetup (
427     ACPI_HANDLE             Handle,
428     UINT32                  Function,
429     void                    *HandlerContext,
430     void                    **RegionContext);
431 
432 ACPI_STATUS
433 AcpiEvIoSpaceRegionSetup (
434     ACPI_HANDLE             Handle,
435     UINT32                  Function,
436     void                    *HandlerContext,
437     void                    **RegionContext);
438 
439 ACPI_STATUS
440 AcpiEvPciConfigRegionSetup (
441     ACPI_HANDLE             Handle,
442     UINT32                  Function,
443     void                    *HandlerContext,
444     void                    **RegionContext);
445 
446 ACPI_STATUS
447 AcpiEvCmosRegionSetup (
448     ACPI_HANDLE             Handle,
449     UINT32                  Function,
450     void                    *HandlerContext,
451     void                    **RegionContext);
452 
453 ACPI_STATUS
454 AcpiEvPciBarRegionSetup (
455     ACPI_HANDLE             Handle,
456     UINT32                  Function,
457     void                    *HandlerContext,
458     void                    **RegionContext);
459 
460 ACPI_STATUS
461 AcpiEvDataTableRegionSetup (
462     ACPI_HANDLE             Handle,
463     UINT32                  Function,
464     void                    *HandlerContext,
465     void                    **RegionContext);
466 
467 ACPI_STATUS
468 AcpiEvDefaultRegionSetup (
469     ACPI_HANDLE             Handle,
470     UINT32                  Function,
471     void                    *HandlerContext,
472     void                    **RegionContext);
473 
474 ACPI_STATUS
475 AcpiEvInitializeRegion (
476     ACPI_OPERAND_OBJECT     *RegionObj);
477 
478 BOOLEAN
479 AcpiEvIsPciRootBridge (
480     ACPI_NAMESPACE_NODE     *Node);
481 
482 
483 /*
484  * evsci - SCI (System Control Interrupt) handling/dispatch
485  */
486 UINT32 ACPI_SYSTEM_XFACE
487 AcpiEvGpeXruptHandler (
488     void                    *Context);
489 
490 UINT32
491 AcpiEvSciDispatch (
492     void);
493 
494 UINT32
495 AcpiEvInstallSciHandler (
496     void);
497 
498 ACPI_STATUS
499 AcpiEvRemoveAllSciHandlers (
500     void);
501 
502 ACPI_HW_DEPENDENT_RETURN_VOID (
503 void
504 AcpiEvTerminate (
505     void))
506 
507 #endif  /* __ACEVENTS_H__  */
508