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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Module Name: utinit - Common ACPI subsystem initialization | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
6c9deb72 | 8 | * Copyright (C) 2000 - 2007, R. Byron Moore |
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 LT |
44 | #include <acpi/acpi.h> |
45 | #include <acpi/acnamesp.h> | |
46 | #include <acpi/acevents.h> | |
f3d2e786 | 47 | #include <acpi/actables.h> |
1da177e4 LT |
48 | |
49 | #define _COMPONENT ACPI_UTILITIES | |
4be44fcd | 50 | ACPI_MODULE_NAME("utinit") |
1da177e4 | 51 | |
44f6c012 | 52 | /* Local prototypes */ |
4be44fcd | 53 | static void acpi_ut_terminate(void); |
1da177e4 | 54 | |
1da177e4 LT |
55 | /****************************************************************************** |
56 | * | |
57 | * FUNCTION: acpi_ut_terminate | |
58 | * | |
59 | * PARAMETERS: none | |
60 | * | |
61 | * RETURN: none | |
62 | * | |
44f6c012 | 63 | * DESCRIPTION: Free global memory |
1da177e4 LT |
64 | * |
65 | ******************************************************************************/ | |
66 | ||
4be44fcd | 67 | static void acpi_ut_terminate(void) |
1da177e4 | 68 | { |
4be44fcd LB |
69 | struct acpi_gpe_block_info *gpe_block; |
70 | struct acpi_gpe_block_info *next_gpe_block; | |
71 | struct acpi_gpe_xrupt_info *gpe_xrupt_info; | |
72 | struct acpi_gpe_xrupt_info *next_gpe_xrupt_info; | |
1da177e4 | 73 | |
b229cf92 | 74 | ACPI_FUNCTION_TRACE(ut_terminate); |
1da177e4 | 75 | |
1da177e4 LT |
76 | /* Free global GPE blocks and related info structures */ |
77 | ||
78 | gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head; | |
79 | while (gpe_xrupt_info) { | |
80 | gpe_block = gpe_xrupt_info->gpe_block_list_head; | |
81 | while (gpe_block) { | |
82 | next_gpe_block = gpe_block->next; | |
8313524a BM |
83 | ACPI_FREE(gpe_block->event_info); |
84 | ACPI_FREE(gpe_block->register_info); | |
85 | ACPI_FREE(gpe_block); | |
1da177e4 LT |
86 | |
87 | gpe_block = next_gpe_block; | |
88 | } | |
89 | next_gpe_xrupt_info = gpe_xrupt_info->next; | |
8313524a | 90 | ACPI_FREE(gpe_xrupt_info); |
1da177e4 LT |
91 | gpe_xrupt_info = next_gpe_xrupt_info; |
92 | } | |
93 | ||
94 | return_VOID; | |
95 | } | |
96 | ||
1da177e4 LT |
97 | /******************************************************************************* |
98 | * | |
99 | * FUNCTION: acpi_ut_subsystem_shutdown | |
100 | * | |
101 | * PARAMETERS: none | |
102 | * | |
103 | * RETURN: none | |
104 | * | |
105 | * DESCRIPTION: Shutdown the various subsystems. Don't delete the mutex | |
106 | * objects here -- because the AML debugger may be still running. | |
107 | * | |
108 | ******************************************************************************/ | |
109 | ||
4be44fcd | 110 | void acpi_ut_subsystem_shutdown(void) |
1da177e4 LT |
111 | { |
112 | ||
b229cf92 | 113 | ACPI_FUNCTION_TRACE(ut_subsystem_shutdown); |
1da177e4 LT |
114 | |
115 | /* Just exit if subsystem is already shutdown */ | |
116 | ||
117 | if (acpi_gbl_shutdown) { | |
b8e4d893 | 118 | ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated")); |
1da177e4 LT |
119 | return_VOID; |
120 | } | |
121 | ||
122 | /* Subsystem appears active, go ahead and shut it down */ | |
123 | ||
124 | acpi_gbl_shutdown = TRUE; | |
4119532c | 125 | acpi_gbl_startup_flags = 0; |
4a90c7e8 | 126 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n")); |
1da177e4 LT |
127 | |
128 | /* Close the acpi_event Handling */ | |
129 | ||
4be44fcd | 130 | acpi_ev_terminate(); |
1da177e4 LT |
131 | |
132 | /* Close the Namespace */ | |
133 | ||
4be44fcd | 134 | acpi_ns_terminate(); |
1da177e4 | 135 | |
f3d2e786 BM |
136 | /* Delete the ACPI tables */ |
137 | ||
138 | acpi_tb_terminate(); | |
139 | ||
1da177e4 LT |
140 | /* Close the globals */ |
141 | ||
4be44fcd | 142 | acpi_ut_terminate(); |
1da177e4 LT |
143 | |
144 | /* Purge the local caches */ | |
145 | ||
4be44fcd | 146 | (void)acpi_ut_delete_caches(); |
1da177e4 LT |
147 | return_VOID; |
148 | } |