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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Module Name: utinit - Common ACPI subsystem initialization | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
75a44ce0 | 8 | * Copyright (C) 2000 - 2008, Intel Corp. |
1da177e4 LT |
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 | ||
1da177e4 | 44 | #include <acpi/acpi.h> |
e2f7a777 LB |
45 | #include "accommon.h" |
46 | #include "acnamesp.h" | |
47 | #include "acevents.h" | |
48 | #include "actables.h" | |
1da177e4 LT |
49 | |
50 | #define _COMPONENT ACPI_UTILITIES | |
4be44fcd | 51 | ACPI_MODULE_NAME("utinit") |
1da177e4 | 52 | |
44f6c012 | 53 | /* Local prototypes */ |
4be44fcd | 54 | static void acpi_ut_terminate(void); |
1da177e4 | 55 | |
1da177e4 LT |
56 | /****************************************************************************** |
57 | * | |
58 | * FUNCTION: acpi_ut_terminate | |
59 | * | |
60 | * PARAMETERS: none | |
61 | * | |
62 | * RETURN: none | |
63 | * | |
44f6c012 | 64 | * DESCRIPTION: Free global memory |
1da177e4 LT |
65 | * |
66 | ******************************************************************************/ | |
67 | ||
4be44fcd | 68 | static void acpi_ut_terminate(void) |
1da177e4 | 69 | { |
4be44fcd LB |
70 | struct acpi_gpe_block_info *gpe_block; |
71 | struct acpi_gpe_block_info *next_gpe_block; | |
72 | struct acpi_gpe_xrupt_info *gpe_xrupt_info; | |
73 | struct acpi_gpe_xrupt_info *next_gpe_xrupt_info; | |
1da177e4 | 74 | |
b229cf92 | 75 | ACPI_FUNCTION_TRACE(ut_terminate); |
1da177e4 | 76 | |
1da177e4 LT |
77 | /* Free global GPE blocks and related info structures */ |
78 | ||
79 | gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head; | |
80 | while (gpe_xrupt_info) { | |
81 | gpe_block = gpe_xrupt_info->gpe_block_list_head; | |
82 | while (gpe_block) { | |
83 | next_gpe_block = gpe_block->next; | |
8313524a BM |
84 | ACPI_FREE(gpe_block->event_info); |
85 | ACPI_FREE(gpe_block->register_info); | |
86 | ACPI_FREE(gpe_block); | |
1da177e4 LT |
87 | |
88 | gpe_block = next_gpe_block; | |
89 | } | |
90 | next_gpe_xrupt_info = gpe_xrupt_info->next; | |
8313524a | 91 | ACPI_FREE(gpe_xrupt_info); |
1da177e4 LT |
92 | gpe_xrupt_info = next_gpe_xrupt_info; |
93 | } | |
94 | ||
95 | return_VOID; | |
96 | } | |
97 | ||
1da177e4 LT |
98 | /******************************************************************************* |
99 | * | |
100 | * FUNCTION: acpi_ut_subsystem_shutdown | |
101 | * | |
102 | * PARAMETERS: none | |
103 | * | |
104 | * RETURN: none | |
105 | * | |
106 | * DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex | |
107 | * objects here -- because the AML debugger may be still running. | |
108 | * | |
109 | ******************************************************************************/ | |
110 | ||
4be44fcd | 111 | void acpi_ut_subsystem_shutdown(void) |
1da177e4 LT |
112 | { |
113 | ||
b229cf92 | 114 | ACPI_FUNCTION_TRACE(ut_subsystem_shutdown); |
1da177e4 LT |
115 | |
116 | /* Just exit if subsystem is already shutdown */ | |
117 | ||
118 | if (acpi_gbl_shutdown) { | |
b8e4d893 | 119 | ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated")); |
1da177e4 LT |
120 | return_VOID; |
121 | } | |
122 | ||
123 | /* Subsystem appears active, go ahead and shut it down */ | |
124 | ||
125 | acpi_gbl_shutdown = TRUE; | |
4119532c | 126 | acpi_gbl_startup_flags = 0; |
4a90c7e8 | 127 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n")); |
1da177e4 | 128 | |
e20a679b BM |
129 | #ifndef ACPI_ASL_COMPILER |
130 | ||
1da177e4 LT |
131 | /* Close the acpi_event Handling */ |
132 | ||
4be44fcd | 133 | acpi_ev_terminate(); |
e20a679b | 134 | #endif |
1da177e4 LT |
135 | |
136 | /* Close the Namespace */ | |
137 | ||
4be44fcd | 138 | acpi_ns_terminate(); |
1da177e4 | 139 | |
f3d2e786 BM |
140 | /* Delete the ACPI tables */ |
141 | ||
142 | acpi_tb_terminate(); | |
143 | ||
1da177e4 LT |
144 | /* Close the globals */ |
145 | ||
4be44fcd | 146 | acpi_ut_terminate(); |
1da177e4 LT |
147 | |
148 | /* Purge the local caches */ | |
149 | ||
4be44fcd | 150 | (void)acpi_ut_delete_caches(); |
1da177e4 LT |
151 | return_VOID; |
152 | } |