utinit.c revision 231844 
1/******************************************************************************
2 *
3 * Module Name: utinit - Common ACPI subsystem initialization
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2012, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions, and the following disclaimer,
16 *    without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 *    substantially similar to the "NO WARRANTY" disclaimer below
19 *    ("Disclaimer") and any redistribution must be conditioned upon
20 *    including a substantially similar Disclaimer requirement for further
21 *    binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 *    of any contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44
45#define __UTINIT_C__
46
47#include <contrib/dev/acpica/include/acpi.h>
48#include <contrib/dev/acpica/include/accommon.h>
49#include <contrib/dev/acpica/include/acnamesp.h>
50#include <contrib/dev/acpica/include/acevents.h>
51#include <contrib/dev/acpica/include/actables.h>
52
53#define _COMPONENT          ACPI_UTILITIES
54        ACPI_MODULE_NAME    ("utinit")
55
56/* Local prototypes */
57
58static void AcpiUtTerminate (
59    void);
60
61#if (!ACPI_REDUCED_HARDWARE)
62
63static void
64AcpiUtFreeGpeLists (
65    void);
66
67#else
68
69#define AcpiUtFreeGpeLists()
70#endif /* !ACPI_REDUCED_HARDWARE */
71
72
73#if (!ACPI_REDUCED_HARDWARE)
74/******************************************************************************
75 *
76 * FUNCTION:    AcpiUtFreeGpeLists
77 *
78 * PARAMETERS:  none
79 *
80 * RETURN:      none
81 *
82 * DESCRIPTION: Free global GPE lists
83 *
84 ******************************************************************************/
85
86static void
87AcpiUtFreeGpeLists (
88    void)
89{
90    ACPI_GPE_BLOCK_INFO     *GpeBlock;
91    ACPI_GPE_BLOCK_INFO     *NextGpeBlock;
92    ACPI_GPE_XRUPT_INFO     *GpeXruptInfo;
93    ACPI_GPE_XRUPT_INFO     *NextGpeXruptInfo;
94
95
96    /* Free global GPE blocks and related info structures */
97
98    GpeXruptInfo = AcpiGbl_GpeXruptListHead;
99    while (GpeXruptInfo)
100    {
101        GpeBlock = GpeXruptInfo->GpeBlockListHead;
102        while (GpeBlock)
103        {
104            NextGpeBlock = GpeBlock->Next;
105            ACPI_FREE (GpeBlock->EventInfo);
106            ACPI_FREE (GpeBlock->RegisterInfo);
107            ACPI_FREE (GpeBlock);
108
109            GpeBlock = NextGpeBlock;
110        }
111        NextGpeXruptInfo = GpeXruptInfo->Next;
112        ACPI_FREE (GpeXruptInfo);
113        GpeXruptInfo = NextGpeXruptInfo;
114    }
115}
116#endif /* !ACPI_REDUCED_HARDWARE */
117
118
119/******************************************************************************
120 *
121 * FUNCTION:    AcpiUtTerminate
122 *
123 * PARAMETERS:  none
124 *
125 * RETURN:      none
126 *
127 * DESCRIPTION: Free global memory
128 *
129 ******************************************************************************/
130
131static void
132AcpiUtTerminate (
133    void)
134{
135    ACPI_FUNCTION_TRACE (UtTerminate);
136
137    AcpiUtFreeGpeLists ();
138    AcpiUtDeleteAddressLists ();
139    return_VOID;
140}
141
142
143/*******************************************************************************
144 *
145 * FUNCTION:    AcpiUtSubsystemShutdown
146 *
147 * PARAMETERS:  None
148 *
149 * RETURN:      None
150 *
151 * DESCRIPTION: Shutdown the various components. Do not delete the mutex
152 *              objects here, because the AML debugger may be still running.
153 *
154 ******************************************************************************/
155
156void
157AcpiUtSubsystemShutdown (
158    void)
159{
160    ACPI_FUNCTION_TRACE (UtSubsystemShutdown);
161
162
163#ifndef ACPI_ASL_COMPILER
164
165    /* Close the AcpiEvent Handling */
166
167    AcpiEvTerminate ();
168
169    /* Delete any dynamic _OSI interfaces */
170
171    AcpiUtInterfaceTerminate ();
172#endif
173
174    /* Close the Namespace */
175
176    AcpiNsTerminate ();
177
178    /* Delete the ACPI tables */
179
180    AcpiTbTerminate ();
181
182    /* Close the globals */
183
184    AcpiUtTerminate ();
185
186    /* Purge the local caches */
187
188    (void) AcpiUtDeleteCaches ();
189    return_VOID;
190}
191
192
193