17c478bd9Sstevel@tonic-gate /******************************************************************************
27c478bd9Sstevel@tonic-gate  *
37b1019a6SJerry Jelinek  * Module Name: utxface - External interfaces, miscellaneous utility functions
47c478bd9Sstevel@tonic-gate  *
57c478bd9Sstevel@tonic-gate  *****************************************************************************/
67c478bd9Sstevel@tonic-gate 
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.
127c478bd9Sstevel@tonic-gate  * All rights reserved.
137c478bd9Sstevel@tonic-gate  *
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  *****************************************************************************/
1517c478bd9Sstevel@tonic-gate 
1527b1019a6SJerry Jelinek #define EXPORT_ACPI_INTERFACES
1537c478bd9Sstevel@tonic-gate 
1547c478bd9Sstevel@tonic-gate #include "acpi.h"
155aa2aa9a6SDana Myers #include "accommon.h"
1567c478bd9Sstevel@tonic-gate #include "acdebug.h"
1577c478bd9Sstevel@tonic-gate 
1587c478bd9Sstevel@tonic-gate #define _COMPONENT          ACPI_UTILITIES
1597c478bd9Sstevel@tonic-gate         ACPI_MODULE_NAME    ("utxface")
1607c478bd9Sstevel@tonic-gate 
1617c478bd9Sstevel@tonic-gate 
1627c478bd9Sstevel@tonic-gate /*******************************************************************************
1637c478bd9Sstevel@tonic-gate  *
1647c478bd9Sstevel@tonic-gate  * FUNCTION:    AcpiTerminate
1657c478bd9Sstevel@tonic-gate  *
1667c478bd9Sstevel@tonic-gate  * PARAMETERS:  None
1677c478bd9Sstevel@tonic-gate  *
1687c478bd9Sstevel@tonic-gate  * RETURN:      Status
1697c478bd9Sstevel@tonic-gate  *
17057190917SDana Myers  * DESCRIPTION: Shutdown the ACPICA subsystem and release all resources.
1717c478bd9Sstevel@tonic-gate  *
1727c478bd9Sstevel@tonic-gate  ******************************************************************************/
1737c478bd9Sstevel@tonic-gate 
174*35786f68SRobert Mustacchi ACPI_STATUS ACPI_INIT_FUNCTION
AcpiTerminate(void)1757c478bd9Sstevel@tonic-gate AcpiTerminate (
1767c478bd9Sstevel@tonic-gate     void)
1777c478bd9Sstevel@tonic-gate {
1787c478bd9Sstevel@tonic-gate     ACPI_STATUS         Status;
1797c478bd9Sstevel@tonic-gate 
1807c478bd9Sstevel@tonic-gate 
18127f7c583Smyers     ACPI_FUNCTION_TRACE (AcpiTerminate);
1827c478bd9Sstevel@tonic-gate 
1837c478bd9Sstevel@tonic-gate 
1847c478bd9Sstevel@tonic-gate     /* Shutdown and free all resources */
1857c478bd9Sstevel@tonic-gate 
1867c478bd9Sstevel@tonic-gate     AcpiUtSubsystemShutdown ();
1877c478bd9Sstevel@tonic-gate 
1887c478bd9Sstevel@tonic-gate     /* Free the mutex objects */
1897c478bd9Sstevel@tonic-gate 
1907c478bd9Sstevel@tonic-gate     AcpiUtMutexTerminate ();
1917c478bd9Sstevel@tonic-gate 
1927c478bd9Sstevel@tonic-gate     /* Now we can shutdown the OS-dependent layer */
1937c478bd9Sstevel@tonic-gate 
1947c478bd9Sstevel@tonic-gate     Status = AcpiOsTerminate ();
1957c478bd9Sstevel@tonic-gate     return_ACPI_STATUS (Status);
1967c478bd9Sstevel@tonic-gate }
1977c478bd9Sstevel@tonic-gate 
ACPI_EXPORT_SYMBOL_INIT(AcpiTerminate)1987b1019a6SJerry Jelinek ACPI_EXPORT_SYMBOL_INIT (AcpiTerminate)
19927f7c583Smyers 
2007c478bd9Sstevel@tonic-gate 
20157190917SDana Myers #ifndef ACPI_ASL_COMPILER
2027c478bd9Sstevel@tonic-gate /*******************************************************************************
2037c478bd9Sstevel@tonic-gate  *
2047c478bd9Sstevel@tonic-gate  * FUNCTION:    AcpiSubsystemStatus
2057c478bd9Sstevel@tonic-gate  *
2067c478bd9Sstevel@tonic-gate  * PARAMETERS:  None
2077c478bd9Sstevel@tonic-gate  *
2087c478bd9Sstevel@tonic-gate  * RETURN:      Status of the ACPI subsystem
2097c478bd9Sstevel@tonic-gate  *
2107c478bd9Sstevel@tonic-gate  * DESCRIPTION: Other drivers that use the ACPI subsystem should call this
2117c478bd9Sstevel@tonic-gate  *              before making any other calls, to ensure the subsystem
2127c478bd9Sstevel@tonic-gate  *              initialized successfully.
2137c478bd9Sstevel@tonic-gate  *
2147c478bd9Sstevel@tonic-gate  ******************************************************************************/
2157c478bd9Sstevel@tonic-gate 
2167c478bd9Sstevel@tonic-gate ACPI_STATUS
2177c478bd9Sstevel@tonic-gate AcpiSubsystemStatus (
2187c478bd9Sstevel@tonic-gate     void)
2197c478bd9Sstevel@tonic-gate {
2207c478bd9Sstevel@tonic-gate 
2217c478bd9Sstevel@tonic-gate     if (AcpiGbl_StartupFlags & ACPI_INITIALIZED_OK)
2227c478bd9Sstevel@tonic-gate     {
2237c478bd9Sstevel@tonic-gate         return (AE_OK);
2247c478bd9Sstevel@tonic-gate     }
2257c478bd9Sstevel@tonic-gate     else
2267c478bd9Sstevel@tonic-gate     {
2277c478bd9Sstevel@tonic-gate         return (AE_ERROR);
2287c478bd9Sstevel@tonic-gate     }
2297c478bd9Sstevel@tonic-gate }
2307c478bd9Sstevel@tonic-gate 
ACPI_EXPORT_SYMBOL(AcpiSubsystemStatus)23127f7c583Smyers ACPI_EXPORT_SYMBOL (AcpiSubsystemStatus)
23227f7c583Smyers 
2337c478bd9Sstevel@tonic-gate 
2347c478bd9Sstevel@tonic-gate /*******************************************************************************
2357c478bd9Sstevel@tonic-gate  *
2367c478bd9Sstevel@tonic-gate  * FUNCTION:    AcpiGetSystemInfo
2377c478bd9Sstevel@tonic-gate  *
2387c478bd9Sstevel@tonic-gate  * PARAMETERS:  OutBuffer       - A buffer to receive the resources for the
2397c478bd9Sstevel@tonic-gate  *                                device
2407c478bd9Sstevel@tonic-gate  *
2417c478bd9Sstevel@tonic-gate  * RETURN:      Status          - the status of the call
2427c478bd9Sstevel@tonic-gate  *
2437c478bd9Sstevel@tonic-gate  * DESCRIPTION: This function is called to get information about the current
2447b1019a6SJerry Jelinek  *              state of the ACPI subsystem. It will return system information
2457c478bd9Sstevel@tonic-gate  *              in the OutBuffer.
2467c478bd9Sstevel@tonic-gate  *
2477c478bd9Sstevel@tonic-gate  *              If the function fails an appropriate status will be returned
2487c478bd9Sstevel@tonic-gate  *              and the value of OutBuffer is undefined.
2497c478bd9Sstevel@tonic-gate  *
2507c478bd9Sstevel@tonic-gate  ******************************************************************************/
2517c478bd9Sstevel@tonic-gate 
2527c478bd9Sstevel@tonic-gate ACPI_STATUS
2537c478bd9Sstevel@tonic-gate AcpiGetSystemInfo (
2547c478bd9Sstevel@tonic-gate     ACPI_BUFFER             *OutBuffer)
2557c478bd9Sstevel@tonic-gate {
2567c478bd9Sstevel@tonic-gate     ACPI_SYSTEM_INFO        *InfoPtr;
2577c478bd9Sstevel@tonic-gate     ACPI_STATUS             Status;
2587c478bd9Sstevel@tonic-gate 
2597c478bd9Sstevel@tonic-gate 
26027f7c583Smyers     ACPI_FUNCTION_TRACE (AcpiGetSystemInfo);
2617c478bd9Sstevel@tonic-gate 
2627c478bd9Sstevel@tonic-gate 
2637c478bd9Sstevel@tonic-gate     /* Parameter validation */
2647c478bd9Sstevel@tonic-gate 
2657c478bd9Sstevel@tonic-gate     Status = AcpiUtValidateBuffer (OutBuffer);
2667c478bd9Sstevel@tonic-gate     if (ACPI_FAILURE (Status))
2677c478bd9Sstevel@tonic-gate     {
2687c478bd9Sstevel@tonic-gate         return_ACPI_STATUS (Status);
2697c478bd9Sstevel@tonic-gate     }
2707c478bd9Sstevel@tonic-gate 
2717c478bd9Sstevel@tonic-gate     /* Validate/Allocate/Clear caller buffer */
2727c478bd9Sstevel@tonic-gate 
2737c478bd9Sstevel@tonic-gate     Status = AcpiUtInitializeBuffer (OutBuffer, sizeof (ACPI_SYSTEM_INFO));
2747c478bd9Sstevel@tonic-gate     if (ACPI_FAILURE (Status))
2757c478bd9Sstevel@tonic-gate     {
2767c478bd9Sstevel@tonic-gate         return_ACPI_STATUS (Status);
2777c478bd9Sstevel@tonic-gate     }
2787c478bd9Sstevel@tonic-gate 
2797c478bd9Sstevel@tonic-gate     /*
2807c478bd9Sstevel@tonic-gate      * Populate the return buffer
2817c478bd9Sstevel@tonic-gate      */
2827c478bd9Sstevel@tonic-gate     InfoPtr = (ACPI_SYSTEM_INFO *) OutBuffer->Pointer;
28327f7c583Smyers     InfoPtr->AcpiCaVersion = ACPI_CA_VERSION;
2847c478bd9Sstevel@tonic-gate 
2857c478bd9Sstevel@tonic-gate     /* System flags (ACPI capabilities) */
2867c478bd9Sstevel@tonic-gate 
28727f7c583Smyers     InfoPtr->Flags = ACPI_SYS_MODE_ACPI;
2887c478bd9Sstevel@tonic-gate 
2897c478bd9Sstevel@tonic-gate     /* Timer resolution - 24 or 32 bits  */
2907c478bd9Sstevel@tonic-gate 
291db2bae30SDana Myers     if (AcpiGbl_FADT.Flags & ACPI_FADT_32BIT_TIMER)
2927c478bd9Sstevel@tonic-gate     {
2937c478bd9Sstevel@tonic-gate         InfoPtr->TimerResolution = 24;
2947c478bd9Sstevel@tonic-gate     }
2957c478bd9Sstevel@tonic-gate     else
2967c478bd9Sstevel@tonic-gate     {
2977c478bd9Sstevel@tonic-gate         InfoPtr->TimerResolution = 32;
2987c478bd9Sstevel@tonic-gate     }
2997c478bd9Sstevel@tonic-gate 
3007c478bd9Sstevel@tonic-gate     /* Clear the reserved fields */
3017c478bd9Sstevel@tonic-gate 
30227f7c583Smyers     InfoPtr->Reserved1 = 0;
30327f7c583Smyers     InfoPtr->Reserved2 = 0;
3047c478bd9Sstevel@tonic-gate 
3057c478bd9Sstevel@tonic-gate     /* Current debug levels */
3067c478bd9Sstevel@tonic-gate 
30727f7c583Smyers     InfoPtr->DebugLayer = AcpiDbgLayer;
30827f7c583Smyers     InfoPtr->DebugLevel = AcpiDbgLevel;
3097c478bd9Sstevel@tonic-gate 
310db2bae30SDana Myers     return_ACPI_STATUS (AE_OK);
311db2bae30SDana Myers }
312db2bae30SDana Myers 
ACPI_EXPORT_SYMBOL(AcpiGetSystemInfo)313db2bae30SDana Myers ACPI_EXPORT_SYMBOL (AcpiGetSystemInfo)
314db2bae30SDana Myers 
3157c478bd9Sstevel@tonic-gate 
316db2bae30SDana Myers /*******************************************************************************
317db2bae30SDana Myers  *
318db2bae30SDana Myers  * FUNCTION:    AcpiGetStatistics
319db2bae30SDana Myers  *
320db2bae30SDana Myers  * PARAMETERS:  Stats           - Where the statistics are returned
321db2bae30SDana Myers  *
322db2bae30SDana Myers  * RETURN:      Status          - the status of the call
323db2bae30SDana Myers  *
324db2bae30SDana Myers  * DESCRIPTION: Get the contents of the various system counters
325db2bae30SDana Myers  *
326db2bae30SDana Myers  ******************************************************************************/
327db2bae30SDana Myers 
328db2bae30SDana Myers ACPI_STATUS
329db2bae30SDana Myers AcpiGetStatistics (
330db2bae30SDana Myers     ACPI_STATISTICS         *Stats)
331db2bae30SDana Myers {
332db2bae30SDana Myers     ACPI_FUNCTION_TRACE (AcpiGetStatistics);
333db2bae30SDana Myers 
334db2bae30SDana Myers 
335db2bae30SDana Myers     /* Parameter validation */
336db2bae30SDana Myers 
337db2bae30SDana Myers     if (!Stats)
3387c478bd9Sstevel@tonic-gate     {
339db2bae30SDana Myers         return_ACPI_STATUS (AE_BAD_PARAMETER);
3407c478bd9Sstevel@tonic-gate     }
3417c478bd9Sstevel@tonic-gate 
342db2bae30SDana Myers     /* Various interrupt-based event counters */
343db2bae30SDana Myers 
344db2bae30SDana Myers     Stats->SciCount = AcpiSciCount;
345db2bae30SDana Myers     Stats->GpeCount = AcpiGpeCount;
346db2bae30SDana Myers 
3477b1019a6SJerry Jelinek     memcpy (Stats->FixedEventCount, AcpiFixedEventCount,
348db2bae30SDana Myers         sizeof (AcpiFixedEventCount));
349db2bae30SDana Myers 
350db2bae30SDana Myers     /* Other counters */
351db2bae30SDana Myers 
352db2bae30SDana Myers     Stats->MethodCount = AcpiMethodCount;
3537c478bd9Sstevel@tonic-gate     return_ACPI_STATUS (AE_OK);
3547c478bd9Sstevel@tonic-gate }
3557c478bd9Sstevel@tonic-gate 
ACPI_EXPORT_SYMBOL(AcpiGetStatistics)356db2bae30SDana Myers ACPI_EXPORT_SYMBOL (AcpiGetStatistics)
35727f7c583Smyers 
3587c478bd9Sstevel@tonic-gate 
3597c478bd9Sstevel@tonic-gate /*****************************************************************************
3607c478bd9Sstevel@tonic-gate  *
3617c478bd9Sstevel@tonic-gate  * FUNCTION:    AcpiInstallInitializationHandler
3627c478bd9Sstevel@tonic-gate  *
3637c478bd9Sstevel@tonic-gate  * PARAMETERS:  Handler             - Callback procedure
3647c478bd9Sstevel@tonic-gate  *              Function            - Not (currently) used, see below
3657c478bd9Sstevel@tonic-gate  *
3667c478bd9Sstevel@tonic-gate  * RETURN:      Status
3677c478bd9Sstevel@tonic-gate  *
3687c478bd9Sstevel@tonic-gate  * DESCRIPTION: Install an initialization handler
3697c478bd9Sstevel@tonic-gate  *
3707c478bd9Sstevel@tonic-gate  * TBD: When a second function is added, must save the Function also.
3717c478bd9Sstevel@tonic-gate  *
3727c478bd9Sstevel@tonic-gate  ****************************************************************************/
3737c478bd9Sstevel@tonic-gate 
3747c478bd9Sstevel@tonic-gate ACPI_STATUS
3757c478bd9Sstevel@tonic-gate AcpiInstallInitializationHandler (
3767c478bd9Sstevel@tonic-gate     ACPI_INIT_HANDLER       Handler,
3777c478bd9Sstevel@tonic-gate     UINT32                  Function)
3787c478bd9Sstevel@tonic-gate {
3797c478bd9Sstevel@tonic-gate 
3807c478bd9Sstevel@tonic-gate     if (!Handler)
3817c478bd9Sstevel@tonic-gate     {
3827c478bd9Sstevel@tonic-gate         return (AE_BAD_PARAMETER);
3837c478bd9Sstevel@tonic-gate     }
3847c478bd9Sstevel@tonic-gate 
3857c478bd9Sstevel@tonic-gate     if (AcpiGbl_InitHandler)
3867c478bd9Sstevel@tonic-gate     {
3877c478bd9Sstevel@tonic-gate         return (AE_ALREADY_EXISTS);
3887c478bd9Sstevel@tonic-gate     }
3897c478bd9Sstevel@tonic-gate 
3907c478bd9Sstevel@tonic-gate     AcpiGbl_InitHandler = Handler;
3917b1019a6SJerry Jelinek     return (AE_OK);
3927c478bd9Sstevel@tonic-gate }
3937c478bd9Sstevel@tonic-gate 
ACPI_EXPORT_SYMBOL(AcpiInstallInitializationHandler)39427f7c583Smyers ACPI_EXPORT_SYMBOL (AcpiInstallInitializationHandler)
39527f7c583Smyers 
3967c478bd9Sstevel@tonic-gate 
3977c478bd9Sstevel@tonic-gate /*****************************************************************************
3987c478bd9Sstevel@tonic-gate  *
3997c478bd9Sstevel@tonic-gate  * FUNCTION:    AcpiPurgeCachedObjects
4007c478bd9Sstevel@tonic-gate  *
4017c478bd9Sstevel@tonic-gate  * PARAMETERS:  None
4027c478bd9Sstevel@tonic-gate  *
4037c478bd9Sstevel@tonic-gate  * RETURN:      Status
4047c478bd9Sstevel@tonic-gate  *
4057c478bd9Sstevel@tonic-gate  * DESCRIPTION: Empty all caches (delete the cached objects)
4067c478bd9Sstevel@tonic-gate  *
4077c478bd9Sstevel@tonic-gate  ****************************************************************************/
4087c478bd9Sstevel@tonic-gate 
4097c478bd9Sstevel@tonic-gate ACPI_STATUS
4107c478bd9Sstevel@tonic-gate AcpiPurgeCachedObjects (
4117c478bd9Sstevel@tonic-gate     void)
4127c478bd9Sstevel@tonic-gate {
41327f7c583Smyers     ACPI_FUNCTION_TRACE (AcpiPurgeCachedObjects);
4147c478bd9Sstevel@tonic-gate 
4157b1019a6SJerry Jelinek 
416450d6964Smyers     (void) AcpiOsPurgeCache (AcpiGbl_StateCache);
417450d6964Smyers     (void) AcpiOsPurgeCache (AcpiGbl_OperandCache);
418450d6964Smyers     (void) AcpiOsPurgeCache (AcpiGbl_PsNodeCache);
419450d6964Smyers     (void) AcpiOsPurgeCache (AcpiGbl_PsNodeExtCache);
4207b1019a6SJerry Jelinek 
4217c478bd9Sstevel@tonic-gate     return_ACPI_STATUS (AE_OK);
4227c478bd9Sstevel@tonic-gate }
42327f7c583Smyers 
ACPI_EXPORT_SYMBOL(AcpiPurgeCachedObjects)42427f7c583Smyers ACPI_EXPORT_SYMBOL (AcpiPurgeCachedObjects)
425db2bae30SDana Myers 
42626f3cdf0SGordon Ross 
42726f3cdf0SGordon Ross /*****************************************************************************
42826f3cdf0SGordon Ross  *
42926f3cdf0SGordon Ross  * FUNCTION:    AcpiInstallInterface
43026f3cdf0SGordon Ross  *
43126f3cdf0SGordon Ross  * PARAMETERS:  InterfaceName       - The interface to install
43226f3cdf0SGordon Ross  *
43326f3cdf0SGordon Ross  * RETURN:      Status
43426f3cdf0SGordon Ross  *
43526f3cdf0SGordon Ross  * DESCRIPTION: Install an _OSI interface to the global list
43626f3cdf0SGordon Ross  *
43726f3cdf0SGordon Ross  ****************************************************************************/
43826f3cdf0SGordon Ross 
43926f3cdf0SGordon Ross ACPI_STATUS
44026f3cdf0SGordon Ross AcpiInstallInterface (
44126f3cdf0SGordon Ross     ACPI_STRING             InterfaceName)
44226f3cdf0SGordon Ross {
44326f3cdf0SGordon Ross     ACPI_STATUS             Status;
44426f3cdf0SGordon Ross     ACPI_INTERFACE_INFO     *InterfaceInfo;
44526f3cdf0SGordon Ross 
44626f3cdf0SGordon Ross 
44726f3cdf0SGordon Ross     /* Parameter validation */
44826f3cdf0SGordon Ross 
4497b1019a6SJerry Jelinek     if (!InterfaceName || (strlen (InterfaceName) == 0))
45026f3cdf0SGordon Ross     {
45126f3cdf0SGordon Ross         return (AE_BAD_PARAMETER);
45226f3cdf0SGordon Ross     }
45326f3cdf0SGordon Ross 
4547b1019a6SJerry Jelinek     Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
4557b1019a6SJerry Jelinek     if (ACPI_FAILURE (Status))
4567b1019a6SJerry Jelinek     {
4577b1019a6SJerry Jelinek         return (Status);
4587b1019a6SJerry Jelinek     }
45926f3cdf0SGordon Ross 
46026f3cdf0SGordon Ross     /* Check if the interface name is already in the global list */
46126f3cdf0SGordon Ross 
46226f3cdf0SGordon Ross     InterfaceInfo = AcpiUtGetInterface (InterfaceName);
46326f3cdf0SGordon Ross     if (InterfaceInfo)
46426f3cdf0SGordon Ross     {
46526f3cdf0SGordon Ross         /*
46626f3cdf0SGordon Ross          * The interface already exists in the list. This is OK if the
46726f3cdf0SGordon Ross          * interface has been marked invalid -- just clear the bit.
46826f3cdf0SGordon Ross          */
46926f3cdf0SGordon Ross         if (InterfaceInfo->Flags & ACPI_OSI_INVALID)
47026f3cdf0SGordon Ross         {
47126f3cdf0SGordon Ross             InterfaceInfo->Flags &= ~ACPI_OSI_INVALID;
47226f3cdf0SGordon Ross             Status = AE_OK;
47326f3cdf0SGordon Ross         }
47426f3cdf0SGordon Ross         else
47526f3cdf0SGordon Ross         {
47626f3cdf0SGordon Ross             Status = AE_ALREADY_EXISTS;
47726f3cdf0SGordon Ross         }
47826f3cdf0SGordon Ross     }
47926f3cdf0SGordon Ross     else
48026f3cdf0SGordon Ross     {
48126f3cdf0SGordon Ross         /* New interface name, install into the global list */
48226f3cdf0SGordon Ross 
48326f3cdf0SGordon Ross         Status = AcpiUtInstallInterface (InterfaceName);
48426f3cdf0SGordon Ross     }
48526f3cdf0SGordon Ross 
48626f3cdf0SGordon Ross     AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
48726f3cdf0SGordon Ross     return (Status);
48826f3cdf0SGordon Ross }
48926f3cdf0SGordon Ross 
ACPI_EXPORT_SYMBOL(AcpiInstallInterface)49026f3cdf0SGordon Ross ACPI_EXPORT_SYMBOL (AcpiInstallInterface)
49126f3cdf0SGordon Ross 
49226f3cdf0SGordon Ross 
49326f3cdf0SGordon Ross /*****************************************************************************
49426f3cdf0SGordon Ross  *
49526f3cdf0SGordon Ross  * FUNCTION:    AcpiRemoveInterface
49626f3cdf0SGordon Ross  *
49726f3cdf0SGordon Ross  * PARAMETERS:  InterfaceName       - The interface to remove
49826f3cdf0SGordon Ross  *
49926f3cdf0SGordon Ross  * RETURN:      Status
50026f3cdf0SGordon Ross  *
50126f3cdf0SGordon Ross  * DESCRIPTION: Remove an _OSI interface from the global list
50226f3cdf0SGordon Ross  *
50326f3cdf0SGordon Ross  ****************************************************************************/
50426f3cdf0SGordon Ross 
50526f3cdf0SGordon Ross ACPI_STATUS
50626f3cdf0SGordon Ross AcpiRemoveInterface (
50726f3cdf0SGordon Ross     ACPI_STRING             InterfaceName)
50826f3cdf0SGordon Ross {
50926f3cdf0SGordon Ross     ACPI_STATUS             Status;
51026f3cdf0SGordon Ross 
51126f3cdf0SGordon Ross 
51226f3cdf0SGordon Ross     /* Parameter validation */
51326f3cdf0SGordon Ross 
5147b1019a6SJerry Jelinek     if (!InterfaceName || (strlen (InterfaceName) == 0))
51526f3cdf0SGordon Ross     {
51626f3cdf0SGordon Ross         return (AE_BAD_PARAMETER);
51726f3cdf0SGordon Ross     }
51826f3cdf0SGordon Ross 
5197b1019a6SJerry Jelinek     Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
5207b1019a6SJerry Jelinek     if (ACPI_FAILURE (Status))
5217b1019a6SJerry Jelinek     {
5227b1019a6SJerry Jelinek         return (Status);
5237b1019a6SJerry Jelinek     }
52426f3cdf0SGordon Ross 
52526f3cdf0SGordon Ross     Status = AcpiUtRemoveInterface (InterfaceName);
52626f3cdf0SGordon Ross 
52726f3cdf0SGordon Ross     AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
52826f3cdf0SGordon Ross     return (Status);
52926f3cdf0SGordon Ross }
53026f3cdf0SGordon Ross 
ACPI_EXPORT_SYMBOL(AcpiRemoveInterface)53126f3cdf0SGordon Ross ACPI_EXPORT_SYMBOL (AcpiRemoveInterface)
53226f3cdf0SGordon Ross 
53326f3cdf0SGordon Ross 
53426f3cdf0SGordon Ross /*****************************************************************************
53526f3cdf0SGordon Ross  *
53626f3cdf0SGordon Ross  * FUNCTION:    AcpiInstallInterfaceHandler
53726f3cdf0SGordon Ross  *
53826f3cdf0SGordon Ross  * PARAMETERS:  Handler             - The _OSI interface handler to install
53926f3cdf0SGordon Ross  *                                    NULL means "remove existing handler"
54026f3cdf0SGordon Ross  *
54126f3cdf0SGordon Ross  * RETURN:      Status
54226f3cdf0SGordon Ross  *
54326f3cdf0SGordon Ross  * DESCRIPTION: Install a handler for the predefined _OSI ACPI method.
54426f3cdf0SGordon Ross  *              invoked during execution of the internal implementation of
54526f3cdf0SGordon Ross  *              _OSI. A NULL handler simply removes any existing handler.
54626f3cdf0SGordon Ross  *
54726f3cdf0SGordon Ross  ****************************************************************************/
54826f3cdf0SGordon Ross 
54926f3cdf0SGordon Ross ACPI_STATUS
55026f3cdf0SGordon Ross AcpiInstallInterfaceHandler (
55126f3cdf0SGordon Ross     ACPI_INTERFACE_HANDLER  Handler)
55226f3cdf0SGordon Ross {
5537b1019a6SJerry Jelinek     ACPI_STATUS             Status;
55426f3cdf0SGordon Ross 
55526f3cdf0SGordon Ross 
5567b1019a6SJerry Jelinek     Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
5577b1019a6SJerry Jelinek     if (ACPI_FAILURE (Status))
5587b1019a6SJerry Jelinek     {
5597b1019a6SJerry Jelinek         return (Status);
5607b1019a6SJerry Jelinek     }
56126f3cdf0SGordon Ross 
56226f3cdf0SGordon Ross     if (Handler && AcpiGbl_InterfaceHandler)
56326f3cdf0SGordon Ross     {
56426f3cdf0SGordon Ross         Status = AE_ALREADY_EXISTS;
56526f3cdf0SGordon Ross     }
56626f3cdf0SGordon Ross     else
56726f3cdf0SGordon Ross     {
56826f3cdf0SGordon Ross         AcpiGbl_InterfaceHandler = Handler;
56926f3cdf0SGordon Ross     }
57026f3cdf0SGordon Ross 
57126f3cdf0SGordon Ross     AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
57226f3cdf0SGordon Ross     return (Status);
57326f3cdf0SGordon Ross }
57426f3cdf0SGordon Ross 
ACPI_EXPORT_SYMBOL(AcpiInstallInterfaceHandler)57526f3cdf0SGordon Ross ACPI_EXPORT_SYMBOL (AcpiInstallInterfaceHandler)
57626f3cdf0SGordon Ross 
5777b1019a6SJerry Jelinek 
5787b1019a6SJerry Jelinek /*****************************************************************************
5797b1019a6SJerry Jelinek  *
5807b1019a6SJerry Jelinek  * FUNCTION:    AcpiUpdateInterfaces
5817b1019a6SJerry Jelinek  *
5827b1019a6SJerry Jelinek  * PARAMETERS:  Action              - Actions to be performed during the
5837b1019a6SJerry Jelinek  *                                    update
5847b1019a6SJerry Jelinek  *
5857b1019a6SJerry Jelinek  * RETURN:      Status
5867b1019a6SJerry Jelinek  *
5877b1019a6SJerry Jelinek  * DESCRIPTION: Update _OSI interface strings, disabling or enabling OS vendor
5887b1019a6SJerry Jelinek  *              string or/and feature group strings.
5897b1019a6SJerry Jelinek  *
5907b1019a6SJerry Jelinek  ****************************************************************************/
5917b1019a6SJerry Jelinek 
5927b1019a6SJerry Jelinek ACPI_STATUS
5937b1019a6SJerry Jelinek AcpiUpdateInterfaces (
5947b1019a6SJerry Jelinek     UINT8                   Action)
5957b1019a6SJerry Jelinek {
5967b1019a6SJerry Jelinek     ACPI_STATUS             Status;
5977b1019a6SJerry Jelinek 
5987b1019a6SJerry Jelinek 
5997b1019a6SJerry Jelinek     Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
6007b1019a6SJerry Jelinek     if (ACPI_FAILURE (Status))
6017b1019a6SJerry Jelinek     {
6027b1019a6SJerry Jelinek         return (Status);
6037b1019a6SJerry Jelinek     }
6047b1019a6SJerry Jelinek 
6057b1019a6SJerry Jelinek     Status = AcpiUtUpdateInterfaces (Action);
6067b1019a6SJerry Jelinek 
6077b1019a6SJerry Jelinek     AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
6087b1019a6SJerry Jelinek     return (Status);
6097b1019a6SJerry Jelinek }
6107b1019a6SJerry Jelinek 
6117b1019a6SJerry Jelinek 
6127b1019a6SJerry Jelinek /*****************************************************************************
6137b1019a6SJerry Jelinek  *
6147b1019a6SJerry Jelinek  * FUNCTION:    AcpiCheckAddressRange
6157b1019a6SJerry Jelinek  *
6167b1019a6SJerry Jelinek  * PARAMETERS:  SpaceId             - Address space ID
6177b1019a6SJerry Jelinek  *              Address             - Start address
6187b1019a6SJerry Jelinek  *              Length              - Length
6197b1019a6SJerry Jelinek  *              Warn                - TRUE if warning on overlap desired
6207b1019a6SJerry Jelinek  *
6217b1019a6SJerry Jelinek  * RETURN:      Count of the number of conflicts detected.
6227b1019a6SJerry Jelinek  *
6237b1019a6SJerry Jelinek  * DESCRIPTION: Check if the input address range overlaps any of the
6247b1019a6SJerry Jelinek  *              ASL operation region address ranges.
6257b1019a6SJerry Jelinek  *
6267b1019a6SJerry Jelinek  ****************************************************************************/
6277b1019a6SJerry Jelinek 
6287b1019a6SJerry Jelinek UINT32
AcpiCheckAddressRange(ACPI_ADR_SPACE_TYPE SpaceId,ACPI_PHYSICAL_ADDRESS Address,ACPI_SIZE Length,BOOLEAN Warn)6297b1019a6SJerry Jelinek AcpiCheckAddressRange (
6307b1019a6SJerry Jelinek     ACPI_ADR_SPACE_TYPE     SpaceId,
6317b1019a6SJerry Jelinek     ACPI_PHYSICAL_ADDRESS   Address,
6327b1019a6SJerry Jelinek     ACPI_SIZE               Length,
6337b1019a6SJerry Jelinek     BOOLEAN                 Warn)
6347b1019a6SJerry Jelinek {
6357b1019a6SJerry Jelinek     UINT32                  Overlaps;
6367b1019a6SJerry Jelinek     ACPI_STATUS             Status;
6377b1019a6SJerry Jelinek 
6387b1019a6SJerry Jelinek 
6397b1019a6SJerry Jelinek     Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
6407b1019a6SJerry Jelinek     if (ACPI_FAILURE (Status))
6417b1019a6SJerry Jelinek     {
6427b1019a6SJerry Jelinek         return (0);
6437b1019a6SJerry Jelinek     }
6447b1019a6SJerry Jelinek 
6457b1019a6SJerry Jelinek     Overlaps = AcpiUtCheckAddressRange (SpaceId, Address,
6467b1019a6SJerry Jelinek         (UINT32) Length, Warn);
6477b1019a6SJerry Jelinek 
6487b1019a6SJerry Jelinek     (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
6497b1019a6SJerry Jelinek     return (Overlaps);
6507b1019a6SJerry Jelinek }
6517b1019a6SJerry Jelinek 
ACPI_EXPORT_SYMBOL(AcpiCheckAddressRange)6527b1019a6SJerry Jelinek ACPI_EXPORT_SYMBOL (AcpiCheckAddressRange)
6537b1019a6SJerry Jelinek 
65426f3cdf0SGordon Ross #endif /* !ACPI_ASL_COMPILER */
655aa2aa9a6SDana Myers 
6567b1019a6SJerry Jelinek 
6577b1019a6SJerry Jelinek /*******************************************************************************
6587b1019a6SJerry Jelinek  *
6597b1019a6SJerry Jelinek  * FUNCTION:    AcpiDecodePldBuffer
6607b1019a6SJerry Jelinek  *
6617b1019a6SJerry Jelinek  * PARAMETERS:  InBuffer            - Buffer returned by _PLD method
6627b1019a6SJerry Jelinek  *              Length              - Length of the InBuffer
6637b1019a6SJerry Jelinek  *              ReturnBuffer        - Where the decode buffer is returned
6647b1019a6SJerry Jelinek  *
6657b1019a6SJerry Jelinek  * RETURN:      Status and the decoded _PLD buffer. User must deallocate
6667b1019a6SJerry Jelinek  *              the buffer via ACPI_FREE.
6677b1019a6SJerry Jelinek  *
6687b1019a6SJerry Jelinek  * DESCRIPTION: Decode the bit-packed buffer returned by the _PLD method into
6697b1019a6SJerry Jelinek  *              a local struct that is much more useful to an ACPI driver.
6707b1019a6SJerry Jelinek  *
6717b1019a6SJerry Jelinek  ******************************************************************************/
6727b1019a6SJerry Jelinek 
6737b1019a6SJerry Jelinek ACPI_STATUS
6747b1019a6SJerry Jelinek AcpiDecodePldBuffer (
6757b1019a6SJerry Jelinek     UINT8                   *InBuffer,
6767b1019a6SJerry Jelinek     ACPI_SIZE               Length,
6777b1019a6SJerry Jelinek     ACPI_PLD_INFO           **ReturnBuffer)
6787b1019a6SJerry Jelinek {
6797b1019a6SJerry Jelinek     ACPI_PLD_INFO           *PldInfo;
6807b1019a6SJerry Jelinek     UINT32                  *Buffer = ACPI_CAST_PTR (UINT32, InBuffer);
6817b1019a6SJerry Jelinek     UINT32                  Dword;
6827b1019a6SJerry Jelinek 
6837b1019a6SJerry Jelinek 
6847b1019a6SJerry Jelinek     /* Parameter validation */
6857b1019a6SJerry Jelinek 
6867b1019a6SJerry Jelinek     if (!InBuffer || !ReturnBuffer || (Length < ACPI_PLD_REV1_BUFFER_SIZE))
6877b1019a6SJerry Jelinek     {
6887b1019a6SJerry Jelinek         return (AE_BAD_PARAMETER);
6897b1019a6SJerry Jelinek     }
6907b1019a6SJerry Jelinek 
6917b1019a6SJerry Jelinek     PldInfo = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_PLD_INFO));
6927b1019a6SJerry Jelinek     if (!PldInfo)
6937b1019a6SJerry Jelinek     {
6947b1019a6SJerry Jelinek         return (AE_NO_MEMORY);
6957b1019a6SJerry Jelinek     }
6967b1019a6SJerry Jelinek 
6977b1019a6SJerry Jelinek     /* First 32-bit DWord */
6987b1019a6SJerry Jelinek 
6997b1019a6SJerry Jelinek     ACPI_MOVE_32_TO_32 (&Dword, &Buffer[0]);
7007b1019a6SJerry Jelinek     PldInfo->Revision =             ACPI_PLD_GET_REVISION (&Dword);
7017b1019a6SJerry Jelinek     PldInfo->IgnoreColor =          ACPI_PLD_GET_IGNORE_COLOR (&Dword);
7027b1019a6SJerry Jelinek     PldInfo->Red =                  ACPI_PLD_GET_RED (&Dword);
7037b1019a6SJerry Jelinek     PldInfo->Green =                ACPI_PLD_GET_GREEN (&Dword);
7047b1019a6SJerry Jelinek     PldInfo->Blue =                 ACPI_PLD_GET_BLUE (&Dword);
7057b1019a6SJerry Jelinek 
7067b1019a6SJerry Jelinek     /* Second 32-bit DWord */
7077b1019a6SJerry Jelinek 
7087b1019a6SJerry Jelinek     ACPI_MOVE_32_TO_32 (&Dword, &Buffer[1]);
7097b1019a6SJerry Jelinek     PldInfo->Width =                ACPI_PLD_GET_WIDTH (&Dword);
7107b1019a6SJerry Jelinek     PldInfo->Height =               ACPI_PLD_GET_HEIGHT(&Dword);
7117b1019a6SJerry Jelinek 
7127b1019a6SJerry Jelinek     /* Third 32-bit DWord */
7137b1019a6SJerry Jelinek 
7147b1019a6SJerry Jelinek     ACPI_MOVE_32_TO_32 (&Dword, &Buffer[2]);
7157b1019a6SJerry Jelinek     PldInfo->UserVisible =          ACPI_PLD_GET_USER_VISIBLE (&Dword);
7167b1019a6SJerry Jelinek     PldInfo->Dock =                 ACPI_PLD_GET_DOCK (&Dword);
7177b1019a6SJerry Jelinek     PldInfo->Lid =                  ACPI_PLD_GET_LID (&Dword);
7187b1019a6SJerry Jelinek     PldInfo->Panel =                ACPI_PLD_GET_PANEL (&Dword);
7197b1019a6SJerry Jelinek     PldInfo->VerticalPosition =     ACPI_PLD_GET_VERTICAL (&Dword);
7207b1019a6SJerry Jelinek     PldInfo->HorizontalPosition =   ACPI_PLD_GET_HORIZONTAL (&Dword);
7217b1019a6SJerry Jelinek     PldInfo->Shape =                ACPI_PLD_GET_SHAPE (&Dword);
7227b1019a6SJerry Jelinek     PldInfo->GroupOrientation =     ACPI_PLD_GET_ORIENTATION (&Dword);
7237b1019a6SJerry Jelinek     PldInfo->GroupToken =           ACPI_PLD_GET_TOKEN (&Dword);
7247b1019a6SJerry Jelinek     PldInfo->GroupPosition =        ACPI_PLD_GET_POSITION (&Dword);
7257b1019a6SJerry Jelinek     PldInfo->Bay =                  ACPI_PLD_GET_BAY (&Dword);
7267b1019a6SJerry Jelinek 
7277b1019a6SJerry Jelinek     /* Fourth 32-bit DWord */
7287b1019a6SJerry Jelinek 
7297b1019a6SJerry Jelinek     ACPI_MOVE_32_TO_32 (&Dword, &Buffer[3]);
7307b1019a6SJerry Jelinek     PldInfo->Ejectable =            ACPI_PLD_GET_EJECTABLE (&Dword);
7317b1019a6SJerry Jelinek     PldInfo->OspmEjectRequired =    ACPI_PLD_GET_OSPM_EJECT (&Dword);
7327b1019a6SJerry Jelinek     PldInfo->CabinetNumber =        ACPI_PLD_GET_CABINET (&Dword);
7337b1019a6SJerry Jelinek     PldInfo->CardCageNumber =       ACPI_PLD_GET_CARD_CAGE (&Dword);
7347b1019a6SJerry Jelinek     PldInfo->Reference =            ACPI_PLD_GET_REFERENCE (&Dword);
7357b1019a6SJerry Jelinek     PldInfo->Rotation =             ACPI_PLD_GET_ROTATION (&Dword);
7367b1019a6SJerry Jelinek     PldInfo->Order =                ACPI_PLD_GET_ORDER (&Dword);
7377b1019a6SJerry Jelinek 
7387b1019a6SJerry Jelinek     if (Length >= ACPI_PLD_REV2_BUFFER_SIZE)
7397b1019a6SJerry Jelinek     {
7407b1019a6SJerry Jelinek         /* Fifth 32-bit DWord (Revision 2 of _PLD) */
7417b1019a6SJerry Jelinek 
7427b1019a6SJerry Jelinek         ACPI_MOVE_32_TO_32 (&Dword, &Buffer[4]);
7437b1019a6SJerry Jelinek         PldInfo->VerticalOffset =       ACPI_PLD_GET_VERT_OFFSET (&Dword);
7447b1019a6SJerry Jelinek         PldInfo->HorizontalOffset =     ACPI_PLD_GET_HORIZ_OFFSET (&Dword);
7457b1019a6SJerry Jelinek     }
7467b1019a6SJerry Jelinek 
7477b1019a6SJerry Jelinek     *ReturnBuffer = PldInfo;
7487b1019a6SJerry Jelinek     return (AE_OK);
7497b1019a6SJerry Jelinek }
7507b1019a6SJerry Jelinek 
7517b1019a6SJerry Jelinek ACPI_EXPORT_SYMBOL (AcpiDecodePldBuffer)
752