17c478bd9Sstevel@tonic-gate /*******************************************************************************
27c478bd9Sstevel@tonic-gate *
37c478bd9Sstevel@tonic-gate * Module Name: evsci - System Control Interrupt configuration and
47c478bd9Sstevel@tonic-gate * legacy to ACPI mode state transition functions
57c478bd9Sstevel@tonic-gate *
67c478bd9Sstevel@tonic-gate ******************************************************************************/
77c478bd9Sstevel@tonic-gate
8*35786f68SRobert Mustacchi /******************************************************************************
9*35786f68SRobert Mustacchi *
10*35786f68SRobert Mustacchi * 1. Copyright Notice
11*35786f68SRobert Mustacchi *
12*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
137c478bd9Sstevel@tonic-gate * All rights reserved.
147c478bd9Sstevel@tonic-gate *
15*35786f68SRobert Mustacchi * 2. License
16*35786f68SRobert Mustacchi *
17*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
18*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
19*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
20*35786f68SRobert Mustacchi * property rights.
21*35786f68SRobert Mustacchi *
22*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
24*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
26*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
27*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
28*35786f68SRobert Mustacchi *
29*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
31*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
32*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
33*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
34*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
35*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
36*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
37*35786f68SRobert Mustacchi *
38*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
39*35786f68SRobert Mustacchi * conditions are met:
40*35786f68SRobert Mustacchi *
41*35786f68SRobert Mustacchi * 3. Conditions
42*35786f68SRobert Mustacchi *
43*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
45*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
46*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
47*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
48*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
49*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
50*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
51*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
52*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
53*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
54*35786f68SRobert Mustacchi *
55*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
57*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
58*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
59*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
60*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
61*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
62*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
63*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
64*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
65*35786f68SRobert Mustacchi
66*35786f68SRobert Mustacchi * make.
67*35786f68SRobert Mustacchi *
68*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
69*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
70*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
71*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
72*35786f68SRobert Mustacchi * distribution.
73*35786f68SRobert Mustacchi *
74*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
75*35786f68SRobert Mustacchi * Intel Code.
76*35786f68SRobert Mustacchi *
77*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
78*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
79*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
80*35786f68SRobert Mustacchi * without prior written authorization from Intel.
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
83*35786f68SRobert Mustacchi *
84*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
85*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
86*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
87*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
88*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
89*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
90*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
91*35786f68SRobert Mustacchi *
92*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
93*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
94*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
95*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
96*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
97*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
98*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
99*35786f68SRobert Mustacchi * LIMITED REMEDY.
100*35786f68SRobert Mustacchi *
101*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
102*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
103*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
104*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
105*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
106*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
107*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
108*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
109*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
110*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
111*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
112*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
113*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
114*35786f68SRobert Mustacchi * such license, approval or letter.
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi *****************************************************************************
117*35786f68SRobert Mustacchi *
118*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
119*35786f68SRobert Mustacchi * following license:
120*35786f68SRobert Mustacchi *
12126f3cdf0SGordon Ross * Redistribution and use in source and binary forms, with or without
12226f3cdf0SGordon Ross * modification, are permitted provided that the following conditions
12326f3cdf0SGordon Ross * are met:
12426f3cdf0SGordon Ross * 1. Redistributions of source code must retain the above copyright
12526f3cdf0SGordon Ross * notice, this list of conditions, and the following disclaimer,
12626f3cdf0SGordon Ross * without modification.
12726f3cdf0SGordon Ross * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12826f3cdf0SGordon Ross * substantially similar to the "NO WARRANTY" disclaimer below
12926f3cdf0SGordon Ross * ("Disclaimer") and any redistribution must be conditioned upon
13026f3cdf0SGordon Ross * including a substantially similar Disclaimer requirement for further
13126f3cdf0SGordon Ross * binary redistribution.
13226f3cdf0SGordon Ross * 3. Neither the names of the above-listed copyright holders nor the names
13326f3cdf0SGordon Ross * of any contributors may be used to endorse or promote products derived
13426f3cdf0SGordon Ross * from this software without specific prior written permission.
13526f3cdf0SGordon Ross *
13626f3cdf0SGordon Ross * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13726f3cdf0SGordon Ross * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
138*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
13926f3cdf0SGordon Ross * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
140*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
141*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
142*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
143*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
144*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
145*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
146*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
147*35786f68SRobert Mustacchi *
148*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
149*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
150*35786f68SRobert Mustacchi * Software Foundation.
151*35786f68SRobert Mustacchi *
152*35786f68SRobert Mustacchi *****************************************************************************/
1537c478bd9Sstevel@tonic-gate
1547c478bd9Sstevel@tonic-gate #include "acpi.h"
155aa2aa9a6SDana Myers #include "accommon.h"
1567c478bd9Sstevel@tonic-gate #include "acevents.h"
1577c478bd9Sstevel@tonic-gate
1587c478bd9Sstevel@tonic-gate
1597c478bd9Sstevel@tonic-gate #define _COMPONENT ACPI_EVENTS
1607c478bd9Sstevel@tonic-gate ACPI_MODULE_NAME ("evsci")
1617c478bd9Sstevel@tonic-gate
1627b1019a6SJerry Jelinek #if (!ACPI_REDUCED_HARDWARE) /* Entire module */
1637b1019a6SJerry Jelinek
1647c478bd9Sstevel@tonic-gate /* Local prototypes */
1657c478bd9Sstevel@tonic-gate
1667c478bd9Sstevel@tonic-gate static UINT32 ACPI_SYSTEM_XFACE
1677c478bd9Sstevel@tonic-gate AcpiEvSciXruptHandler (
1687c478bd9Sstevel@tonic-gate void *Context);
1697c478bd9Sstevel@tonic-gate
1707c478bd9Sstevel@tonic-gate
1717b1019a6SJerry Jelinek /*******************************************************************************
1727b1019a6SJerry Jelinek *
1737b1019a6SJerry Jelinek * FUNCTION: AcpiEvSciDispatch
1747b1019a6SJerry Jelinek *
1757b1019a6SJerry Jelinek * PARAMETERS: None
1767b1019a6SJerry Jelinek *
1777b1019a6SJerry Jelinek * RETURN: Status code indicates whether interrupt was handled.
1787b1019a6SJerry Jelinek *
1797b1019a6SJerry Jelinek * DESCRIPTION: Dispatch the SCI to all host-installed SCI handlers.
1807b1019a6SJerry Jelinek *
1817b1019a6SJerry Jelinek ******************************************************************************/
1827b1019a6SJerry Jelinek
1837b1019a6SJerry Jelinek UINT32
AcpiEvSciDispatch(void)1847b1019a6SJerry Jelinek AcpiEvSciDispatch (
1857b1019a6SJerry Jelinek void)
1867b1019a6SJerry Jelinek {
1877b1019a6SJerry Jelinek ACPI_SCI_HANDLER_INFO *SciHandler;
1887b1019a6SJerry Jelinek ACPI_CPU_FLAGS Flags;
1897b1019a6SJerry Jelinek UINT32 IntStatus = ACPI_INTERRUPT_NOT_HANDLED;
1907b1019a6SJerry Jelinek
1917b1019a6SJerry Jelinek
1927b1019a6SJerry Jelinek ACPI_FUNCTION_NAME (EvSciDispatch);
1937b1019a6SJerry Jelinek
1947b1019a6SJerry Jelinek
1957b1019a6SJerry Jelinek /* Are there any host-installed SCI handlers? */
1967b1019a6SJerry Jelinek
1977b1019a6SJerry Jelinek if (!AcpiGbl_SciHandlerList)
1987b1019a6SJerry Jelinek {
1997b1019a6SJerry Jelinek return (IntStatus);
2007b1019a6SJerry Jelinek }
2017b1019a6SJerry Jelinek
2027b1019a6SJerry Jelinek Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
2037b1019a6SJerry Jelinek
2047b1019a6SJerry Jelinek /* Invoke all host-installed SCI handlers */
2057b1019a6SJerry Jelinek
2067b1019a6SJerry Jelinek SciHandler = AcpiGbl_SciHandlerList;
2077b1019a6SJerry Jelinek while (SciHandler)
2087b1019a6SJerry Jelinek {
2097b1019a6SJerry Jelinek /* Invoke the installed handler (at interrupt level) */
2107b1019a6SJerry Jelinek
2117b1019a6SJerry Jelinek IntStatus |= SciHandler->Address (
2127b1019a6SJerry Jelinek SciHandler->Context);
2137b1019a6SJerry Jelinek
2147b1019a6SJerry Jelinek SciHandler = SciHandler->Next;
2157b1019a6SJerry Jelinek }
2167b1019a6SJerry Jelinek
2177b1019a6SJerry Jelinek AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
2187b1019a6SJerry Jelinek return (IntStatus);
2197b1019a6SJerry Jelinek }
2207b1019a6SJerry Jelinek
2217b1019a6SJerry Jelinek
2227c478bd9Sstevel@tonic-gate /*******************************************************************************
2237c478bd9Sstevel@tonic-gate *
2247c478bd9Sstevel@tonic-gate * FUNCTION: AcpiEvSciXruptHandler
2257c478bd9Sstevel@tonic-gate *
2267c478bd9Sstevel@tonic-gate * PARAMETERS: Context - Calling Context
2277c478bd9Sstevel@tonic-gate *
2287c478bd9Sstevel@tonic-gate * RETURN: Status code indicates whether interrupt was handled.
2297c478bd9Sstevel@tonic-gate *
2307c478bd9Sstevel@tonic-gate * DESCRIPTION: Interrupt handler that will figure out what function or
2317c478bd9Sstevel@tonic-gate * control method to call to deal with a SCI.
2327c478bd9Sstevel@tonic-gate *
2337c478bd9Sstevel@tonic-gate ******************************************************************************/
2347c478bd9Sstevel@tonic-gate
2357c478bd9Sstevel@tonic-gate static UINT32 ACPI_SYSTEM_XFACE
AcpiEvSciXruptHandler(void * Context)2367c478bd9Sstevel@tonic-gate AcpiEvSciXruptHandler (
2377c478bd9Sstevel@tonic-gate void *Context)
2387c478bd9Sstevel@tonic-gate {
2397c478bd9Sstevel@tonic-gate ACPI_GPE_XRUPT_INFO *GpeXruptList = Context;
2407c478bd9Sstevel@tonic-gate UINT32 InterruptHandled = ACPI_INTERRUPT_NOT_HANDLED;
2417c478bd9Sstevel@tonic-gate
2427c478bd9Sstevel@tonic-gate
24327f7c583Smyers ACPI_FUNCTION_TRACE (EvSciXruptHandler);
2447c478bd9Sstevel@tonic-gate
2457c478bd9Sstevel@tonic-gate
2467c478bd9Sstevel@tonic-gate /*
2477b1019a6SJerry Jelinek * We are guaranteed by the ACPICA initialization/shutdown code that
2487c478bd9Sstevel@tonic-gate * if this interrupt handler is installed, ACPI is enabled.
2497c478bd9Sstevel@tonic-gate */
2507c478bd9Sstevel@tonic-gate
2517c478bd9Sstevel@tonic-gate /*
2527c478bd9Sstevel@tonic-gate * Fixed Events:
2537c478bd9Sstevel@tonic-gate * Check for and dispatch any Fixed Events that have occurred
2547c478bd9Sstevel@tonic-gate */
2557c478bd9Sstevel@tonic-gate InterruptHandled |= AcpiEvFixedEventDetect ();
2567c478bd9Sstevel@tonic-gate
2577c478bd9Sstevel@tonic-gate /*
2587c478bd9Sstevel@tonic-gate * General Purpose Events:
2597c478bd9Sstevel@tonic-gate * Check for and dispatch any GPEs that have occurred
2607c478bd9Sstevel@tonic-gate */
2617c478bd9Sstevel@tonic-gate InterruptHandled |= AcpiEvGpeDetect (GpeXruptList);
2627c478bd9Sstevel@tonic-gate
2637b1019a6SJerry Jelinek /* Invoke all host-installed SCI handlers */
2647b1019a6SJerry Jelinek
2657b1019a6SJerry Jelinek InterruptHandled |= AcpiEvSciDispatch ();
2667b1019a6SJerry Jelinek
267db2bae30SDana Myers AcpiSciCount++;
268186507a7Smyers return_UINT32 (InterruptHandled);
2697c478bd9Sstevel@tonic-gate }
2707c478bd9Sstevel@tonic-gate
2717c478bd9Sstevel@tonic-gate
2727c478bd9Sstevel@tonic-gate /*******************************************************************************
2737c478bd9Sstevel@tonic-gate *
2747c478bd9Sstevel@tonic-gate * FUNCTION: AcpiEvGpeXruptHandler
2757c478bd9Sstevel@tonic-gate *
2767c478bd9Sstevel@tonic-gate * PARAMETERS: Context - Calling Context
2777c478bd9Sstevel@tonic-gate *
2787c478bd9Sstevel@tonic-gate * RETURN: Status code indicates whether interrupt was handled.
2797c478bd9Sstevel@tonic-gate *
2807c478bd9Sstevel@tonic-gate * DESCRIPTION: Handler for GPE Block Device interrupts
2817c478bd9Sstevel@tonic-gate *
2827c478bd9Sstevel@tonic-gate ******************************************************************************/
2837c478bd9Sstevel@tonic-gate
2847c478bd9Sstevel@tonic-gate UINT32 ACPI_SYSTEM_XFACE
AcpiEvGpeXruptHandler(void * Context)2857c478bd9Sstevel@tonic-gate AcpiEvGpeXruptHandler (
2867c478bd9Sstevel@tonic-gate void *Context)
2877c478bd9Sstevel@tonic-gate {
2887c478bd9Sstevel@tonic-gate ACPI_GPE_XRUPT_INFO *GpeXruptList = Context;
2897c478bd9Sstevel@tonic-gate UINT32 InterruptHandled = ACPI_INTERRUPT_NOT_HANDLED;
2907c478bd9Sstevel@tonic-gate
2917c478bd9Sstevel@tonic-gate
29227f7c583Smyers ACPI_FUNCTION_TRACE (EvGpeXruptHandler);
2937c478bd9Sstevel@tonic-gate
2947c478bd9Sstevel@tonic-gate
2957c478bd9Sstevel@tonic-gate /*
2967b1019a6SJerry Jelinek * We are guaranteed by the ACPICA initialization/shutdown code that
2977c478bd9Sstevel@tonic-gate * if this interrupt handler is installed, ACPI is enabled.
2987c478bd9Sstevel@tonic-gate */
2997c478bd9Sstevel@tonic-gate
300aa2aa9a6SDana Myers /* GPEs: Check for and dispatch any GPEs that have occurred */
301aa2aa9a6SDana Myers
3027c478bd9Sstevel@tonic-gate InterruptHandled |= AcpiEvGpeDetect (GpeXruptList);
303186507a7Smyers return_UINT32 (InterruptHandled);
3047c478bd9Sstevel@tonic-gate }
3057c478bd9Sstevel@tonic-gate
3067c478bd9Sstevel@tonic-gate
3077c478bd9Sstevel@tonic-gate /******************************************************************************
3087c478bd9Sstevel@tonic-gate *
3097c478bd9Sstevel@tonic-gate * FUNCTION: AcpiEvInstallSciHandler
3107c478bd9Sstevel@tonic-gate *
3117c478bd9Sstevel@tonic-gate * PARAMETERS: none
3127c478bd9Sstevel@tonic-gate *
3137c478bd9Sstevel@tonic-gate * RETURN: Status
3147c478bd9Sstevel@tonic-gate *
3157c478bd9Sstevel@tonic-gate * DESCRIPTION: Installs SCI handler.
3167c478bd9Sstevel@tonic-gate *
3177c478bd9Sstevel@tonic-gate ******************************************************************************/
3187c478bd9Sstevel@tonic-gate
3197c478bd9Sstevel@tonic-gate UINT32
AcpiEvInstallSciHandler(void)3207c478bd9Sstevel@tonic-gate AcpiEvInstallSciHandler (
3217c478bd9Sstevel@tonic-gate void)
3227c478bd9Sstevel@tonic-gate {
3237c478bd9Sstevel@tonic-gate UINT32 Status = AE_OK;
3247c478bd9Sstevel@tonic-gate
3257c478bd9Sstevel@tonic-gate
32627f7c583Smyers ACPI_FUNCTION_TRACE (EvInstallSciHandler);
3277c478bd9Sstevel@tonic-gate
3287c478bd9Sstevel@tonic-gate
329db2bae30SDana Myers Status = AcpiOsInstallInterruptHandler ((UINT32) AcpiGbl_FADT.SciInterrupt,
3307b1019a6SJerry Jelinek AcpiEvSciXruptHandler, AcpiGbl_GpeXruptListHead);
3317c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
3327c478bd9Sstevel@tonic-gate }
3337c478bd9Sstevel@tonic-gate
3347c478bd9Sstevel@tonic-gate
3357c478bd9Sstevel@tonic-gate /******************************************************************************
3367c478bd9Sstevel@tonic-gate *
3377b1019a6SJerry Jelinek * FUNCTION: AcpiEvRemoveAllSciHandlers
3387c478bd9Sstevel@tonic-gate *
3397c478bd9Sstevel@tonic-gate * PARAMETERS: none
3407c478bd9Sstevel@tonic-gate *
3417b1019a6SJerry Jelinek * RETURN: AE_OK if handler uninstalled, AE_ERROR if handler was not
3427c478bd9Sstevel@tonic-gate * installed to begin with
3437c478bd9Sstevel@tonic-gate *
344aa2aa9a6SDana Myers * DESCRIPTION: Remove the SCI interrupt handler. No further SCIs will be
3457b1019a6SJerry Jelinek * taken. Remove all host-installed SCI handlers.
3467c478bd9Sstevel@tonic-gate *
3477c478bd9Sstevel@tonic-gate * Note: It doesn't seem important to disable all events or set the event
348aa2aa9a6SDana Myers * enable registers to their original values. The OS should disable
3497c478bd9Sstevel@tonic-gate * the SCI interrupt level when the handler is removed, so no more
3507c478bd9Sstevel@tonic-gate * events will come in.
3517c478bd9Sstevel@tonic-gate *
3527c478bd9Sstevel@tonic-gate ******************************************************************************/
3537c478bd9Sstevel@tonic-gate
3547c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiEvRemoveAllSciHandlers(void)3557b1019a6SJerry Jelinek AcpiEvRemoveAllSciHandlers (
3567c478bd9Sstevel@tonic-gate void)
3577c478bd9Sstevel@tonic-gate {
3587b1019a6SJerry Jelinek ACPI_SCI_HANDLER_INFO *SciHandler;
3597b1019a6SJerry Jelinek ACPI_CPU_FLAGS Flags;
3607c478bd9Sstevel@tonic-gate ACPI_STATUS Status;
3617c478bd9Sstevel@tonic-gate
3627c478bd9Sstevel@tonic-gate
3637b1019a6SJerry Jelinek ACPI_FUNCTION_TRACE (EvRemoveAllSciHandlers);
3647c478bd9Sstevel@tonic-gate
3657c478bd9Sstevel@tonic-gate
3667c478bd9Sstevel@tonic-gate /* Just let the OS remove the handler and disable the level */
3677c478bd9Sstevel@tonic-gate
368db2bae30SDana Myers Status = AcpiOsRemoveInterruptHandler ((UINT32) AcpiGbl_FADT.SciInterrupt,
3697b1019a6SJerry Jelinek AcpiEvSciXruptHandler);
3707b1019a6SJerry Jelinek
3717b1019a6SJerry Jelinek if (!AcpiGbl_SciHandlerList)
3727b1019a6SJerry Jelinek {
3737b1019a6SJerry Jelinek return (Status);
3747b1019a6SJerry Jelinek }
3757c478bd9Sstevel@tonic-gate
3767b1019a6SJerry Jelinek Flags = AcpiOsAcquireLock (AcpiGbl_GpeLock);
3777b1019a6SJerry Jelinek
3787b1019a6SJerry Jelinek /* Free all host-installed SCI handlers */
3797b1019a6SJerry Jelinek
3807b1019a6SJerry Jelinek while (AcpiGbl_SciHandlerList)
3817b1019a6SJerry Jelinek {
3827b1019a6SJerry Jelinek SciHandler = AcpiGbl_SciHandlerList;
3837b1019a6SJerry Jelinek AcpiGbl_SciHandlerList = SciHandler->Next;
3847b1019a6SJerry Jelinek ACPI_FREE (SciHandler);
3857b1019a6SJerry Jelinek }
3867b1019a6SJerry Jelinek
3877b1019a6SJerry Jelinek AcpiOsReleaseLock (AcpiGbl_GpeLock, Flags);
3887c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
3897c478bd9Sstevel@tonic-gate }
3907c478bd9Sstevel@tonic-gate
3917b1019a6SJerry Jelinek #endif /* !ACPI_REDUCED_HARDWARE */
392