126f3cdf0SGordon Ross /******************************************************************************
226f3cdf0SGordon Ross *
326f3cdf0SGordon Ross * Module Name: evgpeutil - GPE utilities
426f3cdf0SGordon Ross *
526f3cdf0SGordon Ross *****************************************************************************/
626f3cdf0SGordon Ross
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi *
9*35786f68SRobert Mustacchi * 1. Copyright Notice
10*35786f68SRobert Mustacchi *
11*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
1226f3cdf0SGordon Ross * All rights reserved.
1326f3cdf0SGordon Ross *
14*35786f68SRobert Mustacchi * 2. License
15*35786f68SRobert Mustacchi *
16*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi * property rights.
20*35786f68SRobert Mustacchi *
21*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi *
28*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi *
37*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi * conditions are met:
39*35786f68SRobert Mustacchi *
40*35786f68SRobert Mustacchi * 3. Conditions
41*35786f68SRobert Mustacchi *
42*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi *
54*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi * make.
65*35786f68SRobert Mustacchi *
66*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi * distribution.
71*35786f68SRobert Mustacchi *
72*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi * Intel Code.
74*35786f68SRobert Mustacchi *
75*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi *
80*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi *
90*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi * LIMITED REMEDY.
98*35786f68SRobert Mustacchi *
99*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi * such license, approval or letter.
113*35786f68SRobert Mustacchi *
114*35786f68SRobert Mustacchi *****************************************************************************
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi * following license:
118*35786f68SRobert Mustacchi *
11926f3cdf0SGordon Ross * Redistribution and use in source and binary forms, with or without
12026f3cdf0SGordon Ross * modification, are permitted provided that the following conditions
12126f3cdf0SGordon Ross * are met:
12226f3cdf0SGordon Ross * 1. Redistributions of source code must retain the above copyright
12326f3cdf0SGordon Ross * notice, this list of conditions, and the following disclaimer,
12426f3cdf0SGordon Ross * without modification.
12526f3cdf0SGordon Ross * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12626f3cdf0SGordon Ross * substantially similar to the "NO WARRANTY" disclaimer below
12726f3cdf0SGordon Ross * ("Disclaimer") and any redistribution must be conditioned upon
12826f3cdf0SGordon Ross * including a substantially similar Disclaimer requirement for further
12926f3cdf0SGordon Ross * binary redistribution.
13026f3cdf0SGordon Ross * 3. Neither the names of the above-listed copyright holders nor the names
13126f3cdf0SGordon Ross * of any contributors may be used to endorse or promote products derived
13226f3cdf0SGordon Ross * from this software without specific prior written permission.
13326f3cdf0SGordon Ross *
13426f3cdf0SGordon Ross * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13526f3cdf0SGordon Ross * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
13726f3cdf0SGordon Ross * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi *
146*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
147*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
148*35786f68SRobert Mustacchi * Software Foundation.
149*35786f68SRobert Mustacchi *
150*35786f68SRobert Mustacchi *****************************************************************************/
15126f3cdf0SGordon Ross
15226f3cdf0SGordon Ross #include "acpi.h"
15326f3cdf0SGordon Ross #include "accommon.h"
15426f3cdf0SGordon Ross #include "acevents.h"
15526f3cdf0SGordon Ross
15626f3cdf0SGordon Ross #define _COMPONENT ACPI_EVENTS
15726f3cdf0SGordon Ross ACPI_MODULE_NAME ("evgpeutil")
15826f3cdf0SGordon Ross
15926f3cdf0SGordon Ross
1607b1019a6SJerry Jelinek #if (!ACPI_REDUCED_HARDWARE) /* Entire module */
16126f3cdf0SGordon Ross /*******************************************************************************
16226f3cdf0SGordon Ross *
16326f3cdf0SGordon Ross * FUNCTION: AcpiEvWalkGpeList
16426f3cdf0SGordon Ross *
16526f3cdf0SGordon Ross * PARAMETERS: GpeWalkCallback - Routine called for each GPE block
16626f3cdf0SGordon Ross * Context - Value passed to callback
16726f3cdf0SGordon Ross *
16826f3cdf0SGordon Ross * RETURN: Status
16926f3cdf0SGordon Ross *
17026f3cdf0SGordon Ross * DESCRIPTION: Walk the GPE lists.
17126f3cdf0SGordon Ross *
17226f3cdf0SGordon Ross ******************************************************************************/
17326f3cdf0SGordon Ross
17426f3cdf0SGordon Ross ACPI_STATUS
AcpiEvWalkGpeList(ACPI_GPE_CALLBACK GpeWalkCallback,void * Context)17526f3cdf0SGordon Ross AcpiEvWalkGpeList (
17626f3cdf0SGordon Ross ACPI_GPE_CALLBACK GpeWalkCallback,
17726f3cdf0SGordon Ross void *Context)
17826f3cdf0SGordon Ross {
17926f3cdf0SGordon Ross ACPI_GPE_BLOCK_INFO *GpeBlock;
18026f3cdf0SGordon Ross ACPI_GPE_XRUPT_INFO *GpeXruptInfo;
18126f3cdf0SGordon Ross ACPI_STATUS Status = AE_OK;
18226f3cdf0SGordon Ross ACPI_CPU_FLAGS Flags;
18326f3cdf0SGordon Ross
18426f3cdf0SGordon Ross
18526f3cdf0SGordon Ross ACPI_FUNCTION_TRACE (EvWalkGpeList);
18626f3cdf0SGordon Ross
18726f3cdf0SGordon Ross
18826f3cdf0SGordon Ross Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
18926f3cdf0SGordon Ross
19026f3cdf0SGordon Ross /* Walk the interrupt level descriptor list */
19126f3cdf0SGordon Ross
19226f3cdf0SGordon Ross GpeXruptInfo = AcpiGbl_GpeXruptListHead;
19326f3cdf0SGordon Ross while (GpeXruptInfo)
19426f3cdf0SGordon Ross {
19526f3cdf0SGordon Ross /* Walk all Gpe Blocks attached to this interrupt level */
19626f3cdf0SGordon Ross
19726f3cdf0SGordon Ross GpeBlock = GpeXruptInfo->GpeBlockListHead;
19826f3cdf0SGordon Ross while (GpeBlock)
19926f3cdf0SGordon Ross {
20026f3cdf0SGordon Ross /* One callback per GPE block */
20126f3cdf0SGordon Ross
20226f3cdf0SGordon Ross Status = GpeWalkCallback (GpeXruptInfo, GpeBlock, Context);
20326f3cdf0SGordon Ross if (ACPI_FAILURE (Status))
20426f3cdf0SGordon Ross {
20526f3cdf0SGordon Ross if (Status == AE_CTRL_END) /* Callback abort */
20626f3cdf0SGordon Ross {
20726f3cdf0SGordon Ross Status = AE_OK;
20826f3cdf0SGordon Ross }
20926f3cdf0SGordon Ross goto UnlockAndExit;
21026f3cdf0SGordon Ross }
21126f3cdf0SGordon Ross
21226f3cdf0SGordon Ross GpeBlock = GpeBlock->Next;
21326f3cdf0SGordon Ross }
21426f3cdf0SGordon Ross
21526f3cdf0SGordon Ross GpeXruptInfo = GpeXruptInfo->Next;
21626f3cdf0SGordon Ross }
21726f3cdf0SGordon Ross
21826f3cdf0SGordon Ross UnlockAndExit:
21926f3cdf0SGordon Ross AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
22026f3cdf0SGordon Ross return_ACPI_STATUS (Status);
22126f3cdf0SGordon Ross }
22226f3cdf0SGordon Ross
22326f3cdf0SGordon Ross
22426f3cdf0SGordon Ross /*******************************************************************************
22526f3cdf0SGordon Ross *
22626f3cdf0SGordon Ross * FUNCTION: AcpiEvGetGpeDevice
22726f3cdf0SGordon Ross *
22826f3cdf0SGordon Ross * PARAMETERS: GPE_WALK_CALLBACK
22926f3cdf0SGordon Ross *
23026f3cdf0SGordon Ross * RETURN: Status
23126f3cdf0SGordon Ross *
23226f3cdf0SGordon Ross * DESCRIPTION: Matches the input GPE index (0-CurrentGpeCount) with a GPE
23326f3cdf0SGordon Ross * block device. NULL if the GPE is one of the FADT-defined GPEs.
23426f3cdf0SGordon Ross *
23526f3cdf0SGordon Ross ******************************************************************************/
23626f3cdf0SGordon Ross
23726f3cdf0SGordon Ross ACPI_STATUS
AcpiEvGetGpeDevice(ACPI_GPE_XRUPT_INFO * GpeXruptInfo,ACPI_GPE_BLOCK_INFO * GpeBlock,void * Context)23826f3cdf0SGordon Ross AcpiEvGetGpeDevice (
23926f3cdf0SGordon Ross ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
24026f3cdf0SGordon Ross ACPI_GPE_BLOCK_INFO *GpeBlock,
24126f3cdf0SGordon Ross void *Context)
24226f3cdf0SGordon Ross {
24326f3cdf0SGordon Ross ACPI_GPE_DEVICE_INFO *Info = Context;
24426f3cdf0SGordon Ross
24526f3cdf0SGordon Ross
24626f3cdf0SGordon Ross /* Increment Index by the number of GPEs in this block */
24726f3cdf0SGordon Ross
24826f3cdf0SGordon Ross Info->NextBlockBaseIndex += GpeBlock->GpeCount;
24926f3cdf0SGordon Ross
25026f3cdf0SGordon Ross if (Info->Index < Info->NextBlockBaseIndex)
25126f3cdf0SGordon Ross {
25226f3cdf0SGordon Ross /*
25326f3cdf0SGordon Ross * The GPE index is within this block, get the node. Leave the node
25426f3cdf0SGordon Ross * NULL for the FADT-defined GPEs
25526f3cdf0SGordon Ross */
25626f3cdf0SGordon Ross if ((GpeBlock->Node)->Type == ACPI_TYPE_DEVICE)
25726f3cdf0SGordon Ross {
25826f3cdf0SGordon Ross Info->GpeDevice = GpeBlock->Node;
25926f3cdf0SGordon Ross }
26026f3cdf0SGordon Ross
26126f3cdf0SGordon Ross Info->Status = AE_OK;
26226f3cdf0SGordon Ross return (AE_CTRL_END);
26326f3cdf0SGordon Ross }
26426f3cdf0SGordon Ross
26526f3cdf0SGordon Ross return (AE_OK);
26626f3cdf0SGordon Ross }
26726f3cdf0SGordon Ross
26826f3cdf0SGordon Ross
26926f3cdf0SGordon Ross /*******************************************************************************
27026f3cdf0SGordon Ross *
27126f3cdf0SGordon Ross * FUNCTION: AcpiEvGetGpeXruptBlock
27226f3cdf0SGordon Ross *
2737b1019a6SJerry Jelinek * PARAMETERS: InterruptNumber - Interrupt for a GPE block
2747b1019a6SJerry Jelinek * GpeXruptBlock - Where the block is returned
27526f3cdf0SGordon Ross *
2767b1019a6SJerry Jelinek * RETURN: Status
27726f3cdf0SGordon Ross *
27826f3cdf0SGordon Ross * DESCRIPTION: Get or Create a GPE interrupt block. There is one interrupt
27926f3cdf0SGordon Ross * block per unique interrupt level used for GPEs. Should be
28026f3cdf0SGordon Ross * called only when the GPE lists are semaphore locked and not
28126f3cdf0SGordon Ross * subject to change.
28226f3cdf0SGordon Ross *
28326f3cdf0SGordon Ross ******************************************************************************/
28426f3cdf0SGordon Ross
2857b1019a6SJerry Jelinek ACPI_STATUS
AcpiEvGetGpeXruptBlock(UINT32 InterruptNumber,ACPI_GPE_XRUPT_INFO ** GpeXruptBlock)28626f3cdf0SGordon Ross AcpiEvGetGpeXruptBlock (
2877b1019a6SJerry Jelinek UINT32 InterruptNumber,
2887b1019a6SJerry Jelinek ACPI_GPE_XRUPT_INFO **GpeXruptBlock)
28926f3cdf0SGordon Ross {
29026f3cdf0SGordon Ross ACPI_GPE_XRUPT_INFO *NextGpeXrupt;
29126f3cdf0SGordon Ross ACPI_GPE_XRUPT_INFO *GpeXrupt;
29226f3cdf0SGordon Ross ACPI_STATUS Status;
29326f3cdf0SGordon Ross ACPI_CPU_FLAGS Flags;
29426f3cdf0SGordon Ross
29526f3cdf0SGordon Ross
29626f3cdf0SGordon Ross ACPI_FUNCTION_TRACE (EvGetGpeXruptBlock);
29726f3cdf0SGordon Ross
29826f3cdf0SGordon Ross
29926f3cdf0SGordon Ross /* No need for lock since we are not changing any list elements here */
30026f3cdf0SGordon Ross
30126f3cdf0SGordon Ross NextGpeXrupt = AcpiGbl_GpeXruptListHead;
30226f3cdf0SGordon Ross while (NextGpeXrupt)
30326f3cdf0SGordon Ross {
30426f3cdf0SGordon Ross if (NextGpeXrupt->InterruptNumber == InterruptNumber)
30526f3cdf0SGordon Ross {
3067b1019a6SJerry Jelinek *GpeXruptBlock = NextGpeXrupt;
3077b1019a6SJerry Jelinek return_ACPI_STATUS (AE_OK);
30826f3cdf0SGordon Ross }
30926f3cdf0SGordon Ross
31026f3cdf0SGordon Ross NextGpeXrupt = NextGpeXrupt->Next;
31126f3cdf0SGordon Ross }
31226f3cdf0SGordon Ross
31326f3cdf0SGordon Ross /* Not found, must allocate a new xrupt descriptor */
31426f3cdf0SGordon Ross
31526f3cdf0SGordon Ross GpeXrupt = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_GPE_XRUPT_INFO));
31626f3cdf0SGordon Ross if (!GpeXrupt)
31726f3cdf0SGordon Ross {
3187b1019a6SJerry Jelinek return_ACPI_STATUS (AE_NO_MEMORY);
31926f3cdf0SGordon Ross }
32026f3cdf0SGordon Ross
32126f3cdf0SGordon Ross GpeXrupt->InterruptNumber = InterruptNumber;
32226f3cdf0SGordon Ross
32326f3cdf0SGordon Ross /* Install new interrupt descriptor with spin lock */
32426f3cdf0SGordon Ross
32526f3cdf0SGordon Ross Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
32626f3cdf0SGordon Ross if (AcpiGbl_GpeXruptListHead)
32726f3cdf0SGordon Ross {
32826f3cdf0SGordon Ross NextGpeXrupt = AcpiGbl_GpeXruptListHead;
32926f3cdf0SGordon Ross while (NextGpeXrupt->Next)
33026f3cdf0SGordon Ross {
33126f3cdf0SGordon Ross NextGpeXrupt = NextGpeXrupt->Next;
33226f3cdf0SGordon Ross }
33326f3cdf0SGordon Ross
33426f3cdf0SGordon Ross NextGpeXrupt->Next = GpeXrupt;
33526f3cdf0SGordon Ross GpeXrupt->Previous = NextGpeXrupt;
33626f3cdf0SGordon Ross }
33726f3cdf0SGordon Ross else
33826f3cdf0SGordon Ross {
33926f3cdf0SGordon Ross AcpiGbl_GpeXruptListHead = GpeXrupt;
34026f3cdf0SGordon Ross }
3417b1019a6SJerry Jelinek
34226f3cdf0SGordon Ross AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
34326f3cdf0SGordon Ross
34426f3cdf0SGordon Ross /* Install new interrupt handler if not SCI_INT */
34526f3cdf0SGordon Ross
34626f3cdf0SGordon Ross if (InterruptNumber != AcpiGbl_FADT.SciInterrupt)
34726f3cdf0SGordon Ross {
34826f3cdf0SGordon Ross Status = AcpiOsInstallInterruptHandler (InterruptNumber,
3497b1019a6SJerry Jelinek AcpiEvGpeXruptHandler, GpeXrupt);
35026f3cdf0SGordon Ross if (ACPI_FAILURE (Status))
35126f3cdf0SGordon Ross {
3527b1019a6SJerry Jelinek ACPI_EXCEPTION ((AE_INFO, Status,
35326f3cdf0SGordon Ross "Could not install GPE interrupt handler at level 0x%X",
35426f3cdf0SGordon Ross InterruptNumber));
3557b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
35626f3cdf0SGordon Ross }
35726f3cdf0SGordon Ross }
35826f3cdf0SGordon Ross
3597b1019a6SJerry Jelinek *GpeXruptBlock = GpeXrupt;
3607b1019a6SJerry Jelinek return_ACPI_STATUS (AE_OK);
36126f3cdf0SGordon Ross }
36226f3cdf0SGordon Ross
36326f3cdf0SGordon Ross
36426f3cdf0SGordon Ross /*******************************************************************************
36526f3cdf0SGordon Ross *
36626f3cdf0SGordon Ross * FUNCTION: AcpiEvDeleteGpeXrupt
36726f3cdf0SGordon Ross *
36826f3cdf0SGordon Ross * PARAMETERS: GpeXrupt - A GPE interrupt info block
36926f3cdf0SGordon Ross *
37026f3cdf0SGordon Ross * RETURN: Status
37126f3cdf0SGordon Ross *
37226f3cdf0SGordon Ross * DESCRIPTION: Remove and free a GpeXrupt block. Remove an associated
37326f3cdf0SGordon Ross * interrupt handler if not the SCI interrupt.
37426f3cdf0SGordon Ross *
37526f3cdf0SGordon Ross ******************************************************************************/
37626f3cdf0SGordon Ross
37726f3cdf0SGordon Ross ACPI_STATUS
AcpiEvDeleteGpeXrupt(ACPI_GPE_XRUPT_INFO * GpeXrupt)37826f3cdf0SGordon Ross AcpiEvDeleteGpeXrupt (
37926f3cdf0SGordon Ross ACPI_GPE_XRUPT_INFO *GpeXrupt)
38026f3cdf0SGordon Ross {
38126f3cdf0SGordon Ross ACPI_STATUS Status;
38226f3cdf0SGordon Ross ACPI_CPU_FLAGS Flags;
38326f3cdf0SGordon Ross
38426f3cdf0SGordon Ross
38526f3cdf0SGordon Ross ACPI_FUNCTION_TRACE (EvDeleteGpeXrupt);
38626f3cdf0SGordon Ross
38726f3cdf0SGordon Ross
38826f3cdf0SGordon Ross /* We never want to remove the SCI interrupt handler */
38926f3cdf0SGordon Ross
39026f3cdf0SGordon Ross if (GpeXrupt->InterruptNumber == AcpiGbl_FADT.SciInterrupt)
39126f3cdf0SGordon Ross {
39226f3cdf0SGordon Ross GpeXrupt->GpeBlockListHead = NULL;
39326f3cdf0SGordon Ross return_ACPI_STATUS (AE_OK);
39426f3cdf0SGordon Ross }
39526f3cdf0SGordon Ross
39626f3cdf0SGordon Ross /* Disable this interrupt */
39726f3cdf0SGordon Ross
39826f3cdf0SGordon Ross Status = AcpiOsRemoveInterruptHandler (
3997b1019a6SJerry Jelinek GpeXrupt->InterruptNumber, AcpiEvGpeXruptHandler);
40026f3cdf0SGordon Ross if (ACPI_FAILURE (Status))
40126f3cdf0SGordon Ross {
40226f3cdf0SGordon Ross return_ACPI_STATUS (Status);
40326f3cdf0SGordon Ross }
40426f3cdf0SGordon Ross
40526f3cdf0SGordon Ross /* Unlink the interrupt block with lock */
40626f3cdf0SGordon Ross
40726f3cdf0SGordon Ross Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
40826f3cdf0SGordon Ross if (GpeXrupt->Previous)
40926f3cdf0SGordon Ross {
41026f3cdf0SGordon Ross GpeXrupt->Previous->Next = GpeXrupt->Next;
41126f3cdf0SGordon Ross }
41226f3cdf0SGordon Ross else
41326f3cdf0SGordon Ross {
41426f3cdf0SGordon Ross /* No previous, update list head */
41526f3cdf0SGordon Ross
41626f3cdf0SGordon Ross AcpiGbl_GpeXruptListHead = GpeXrupt->Next;
41726f3cdf0SGordon Ross }
41826f3cdf0SGordon Ross
41926f3cdf0SGordon Ross if (GpeXrupt->Next)
42026f3cdf0SGordon Ross {
42126f3cdf0SGordon Ross GpeXrupt->Next->Previous = GpeXrupt->Previous;
42226f3cdf0SGordon Ross }
42326f3cdf0SGordon Ross AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
42426f3cdf0SGordon Ross
42526f3cdf0SGordon Ross /* Free the block */
42626f3cdf0SGordon Ross
42726f3cdf0SGordon Ross ACPI_FREE (GpeXrupt);
42826f3cdf0SGordon Ross return_ACPI_STATUS (AE_OK);
42926f3cdf0SGordon Ross }
43026f3cdf0SGordon Ross
43126f3cdf0SGordon Ross
43226f3cdf0SGordon Ross /*******************************************************************************
43326f3cdf0SGordon Ross *
43426f3cdf0SGordon Ross * FUNCTION: AcpiEvDeleteGpeHandlers
43526f3cdf0SGordon Ross *
43626f3cdf0SGordon Ross * PARAMETERS: GpeXruptInfo - GPE Interrupt info
43726f3cdf0SGordon Ross * GpeBlock - Gpe Block info
43826f3cdf0SGordon Ross *
43926f3cdf0SGordon Ross * RETURN: Status
44026f3cdf0SGordon Ross *
44126f3cdf0SGordon Ross * DESCRIPTION: Delete all Handler objects found in the GPE data structs.
44226f3cdf0SGordon Ross * Used only prior to termination.
44326f3cdf0SGordon Ross *
44426f3cdf0SGordon Ross ******************************************************************************/
44526f3cdf0SGordon Ross
44626f3cdf0SGordon Ross ACPI_STATUS
AcpiEvDeleteGpeHandlers(ACPI_GPE_XRUPT_INFO * GpeXruptInfo,ACPI_GPE_BLOCK_INFO * GpeBlock,void * Context)44726f3cdf0SGordon Ross AcpiEvDeleteGpeHandlers (
44826f3cdf0SGordon Ross ACPI_GPE_XRUPT_INFO *GpeXruptInfo,
44926f3cdf0SGordon Ross ACPI_GPE_BLOCK_INFO *GpeBlock,
45026f3cdf0SGordon Ross void *Context)
45126f3cdf0SGordon Ross {
45226f3cdf0SGordon Ross ACPI_GPE_EVENT_INFO *GpeEventInfo;
4537b1019a6SJerry Jelinek ACPI_GPE_NOTIFY_INFO *Notify;
4547b1019a6SJerry Jelinek ACPI_GPE_NOTIFY_INFO *Next;
45526f3cdf0SGordon Ross UINT32 i;
45626f3cdf0SGordon Ross UINT32 j;
45726f3cdf0SGordon Ross
45826f3cdf0SGordon Ross
45926f3cdf0SGordon Ross ACPI_FUNCTION_TRACE (EvDeleteGpeHandlers);
46026f3cdf0SGordon Ross
46126f3cdf0SGordon Ross
46226f3cdf0SGordon Ross /* Examine each GPE Register within the block */
46326f3cdf0SGordon Ross
46426f3cdf0SGordon Ross for (i = 0; i < GpeBlock->RegisterCount; i++)
46526f3cdf0SGordon Ross {
46626f3cdf0SGordon Ross /* Now look at the individual GPEs in this byte register */
46726f3cdf0SGordon Ross
46826f3cdf0SGordon Ross for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++)
46926f3cdf0SGordon Ross {
47026f3cdf0SGordon Ross GpeEventInfo = &GpeBlock->EventInfo[((ACPI_SIZE) i *
47126f3cdf0SGordon Ross ACPI_GPE_REGISTER_WIDTH) + j];
47226f3cdf0SGordon Ross
4737b1019a6SJerry Jelinek if ((ACPI_GPE_DISPATCH_TYPE (GpeEventInfo->Flags) ==
4747b1019a6SJerry Jelinek ACPI_GPE_DISPATCH_HANDLER) ||
4757b1019a6SJerry Jelinek (ACPI_GPE_DISPATCH_TYPE (GpeEventInfo->Flags) ==
4767b1019a6SJerry Jelinek ACPI_GPE_DISPATCH_RAW_HANDLER))
47726f3cdf0SGordon Ross {
4787b1019a6SJerry Jelinek /* Delete an installed handler block */
4797b1019a6SJerry Jelinek
48026f3cdf0SGordon Ross ACPI_FREE (GpeEventInfo->Dispatch.Handler);
48126f3cdf0SGordon Ross GpeEventInfo->Dispatch.Handler = NULL;
48226f3cdf0SGordon Ross GpeEventInfo->Flags &= ~ACPI_GPE_DISPATCH_MASK;
48326f3cdf0SGordon Ross }
4847b1019a6SJerry Jelinek else if (ACPI_GPE_DISPATCH_TYPE (GpeEventInfo->Flags) ==
4857b1019a6SJerry Jelinek ACPI_GPE_DISPATCH_NOTIFY)
4867b1019a6SJerry Jelinek {
4877b1019a6SJerry Jelinek /* Delete the implicit notification device list */
4887b1019a6SJerry Jelinek
4897b1019a6SJerry Jelinek Notify = GpeEventInfo->Dispatch.NotifyList;
4907b1019a6SJerry Jelinek while (Notify)
4917b1019a6SJerry Jelinek {
4927b1019a6SJerry Jelinek Next = Notify->Next;
4937b1019a6SJerry Jelinek ACPI_FREE (Notify);
4947b1019a6SJerry Jelinek Notify = Next;
4957b1019a6SJerry Jelinek }
4967b1019a6SJerry Jelinek
4977b1019a6SJerry Jelinek GpeEventInfo->Dispatch.NotifyList = NULL;
4987b1019a6SJerry Jelinek GpeEventInfo->Flags &= ~ACPI_GPE_DISPATCH_MASK;
4997b1019a6SJerry Jelinek }
50026f3cdf0SGordon Ross }
50126f3cdf0SGordon Ross }
50226f3cdf0SGordon Ross
50326f3cdf0SGordon Ross return_ACPI_STATUS (AE_OK);
50426f3cdf0SGordon Ross }
50526f3cdf0SGordon Ross
5067b1019a6SJerry Jelinek #endif /* !ACPI_REDUCED_HARDWARE */
507