Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Module Name: utinit - Common ACPI subsystem initialization |
| 4 | * |
| 5 | *****************************************************************************/ |
| 6 | |
| 7 | /* |
Len Brown | 75a44ce | 2008-04-23 23:00:13 -0400 | [diff] [blame] | 8 | * Copyright (C) 2000 - 2008, Intel Corp. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | #include <acpi/acpi.h> |
Len Brown | e2f7a77 | 2009-01-09 00:30:03 -0500 | [diff] [blame^] | 45 | #include "accommon.h" |
| 46 | #include "acnamesp.h" |
| 47 | #include "acevents.h" |
| 48 | #include "actables.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | |
| 50 | #define _COMPONENT ACPI_UTILITIES |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 51 | ACPI_MODULE_NAME("utinit") |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 53 | /* Local prototypes */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 54 | static void acpi_ut_terminate(void); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | /****************************************************************************** |
| 57 | * |
| 58 | * FUNCTION: acpi_ut_terminate |
| 59 | * |
| 60 | * PARAMETERS: none |
| 61 | * |
| 62 | * RETURN: none |
| 63 | * |
Robert Moore | 44f6c01 | 2005-04-18 22:49:35 -0400 | [diff] [blame] | 64 | * DESCRIPTION: Free global memory |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | * |
| 66 | ******************************************************************************/ |
| 67 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 68 | static void acpi_ut_terminate(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | |
Bob Moore | b229cf9 | 2006-04-21 17:15:00 -0400 | [diff] [blame] | 75 | ACPI_FUNCTION_TRACE(ut_terminate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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; |
Bob Moore | 8313524 | 2006-10-03 00:00:00 -0400 | [diff] [blame] | 84 | ACPI_FREE(gpe_block->event_info); |
| 85 | ACPI_FREE(gpe_block->register_info); |
| 86 | ACPI_FREE(gpe_block); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | |
| 88 | gpe_block = next_gpe_block; |
| 89 | } |
| 90 | next_gpe_xrupt_info = gpe_xrupt_info->next; |
Bob Moore | 8313524 | 2006-10-03 00:00:00 -0400 | [diff] [blame] | 91 | ACPI_FREE(gpe_xrupt_info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | gpe_xrupt_info = next_gpe_xrupt_info; |
| 93 | } |
| 94 | |
| 95 | return_VOID; |
| 96 | } |
| 97 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 111 | void acpi_ut_subsystem_shutdown(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | { |
| 113 | |
Bob Moore | b229cf9 | 2006-04-21 17:15:00 -0400 | [diff] [blame] | 114 | ACPI_FUNCTION_TRACE(ut_subsystem_shutdown); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | |
| 116 | /* Just exit if subsystem is already shutdown */ |
| 117 | |
| 118 | if (acpi_gbl_shutdown) { |
Bob Moore | b8e4d89 | 2006-01-27 16:43:00 -0500 | [diff] [blame] | 119 | ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated")); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | return_VOID; |
| 121 | } |
| 122 | |
| 123 | /* Subsystem appears active, go ahead and shut it down */ |
| 124 | |
| 125 | acpi_gbl_shutdown = TRUE; |
Bob Moore | 4119532 | 2006-05-26 16:36:00 -0400 | [diff] [blame] | 126 | acpi_gbl_startup_flags = 0; |
Bob Moore | 4a90c7e | 2006-01-13 16:22:00 -0500 | [diff] [blame] | 127 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n")); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | |
Bob Moore | e20a679 | 2008-04-10 19:06:38 +0400 | [diff] [blame] | 129 | #ifndef ACPI_ASL_COMPILER |
| 130 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | /* Close the acpi_event Handling */ |
| 132 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 133 | acpi_ev_terminate(); |
Bob Moore | e20a679 | 2008-04-10 19:06:38 +0400 | [diff] [blame] | 134 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | |
| 136 | /* Close the Namespace */ |
| 137 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 138 | acpi_ns_terminate(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | |
Bob Moore | f3d2e78 | 2007-02-02 19:48:18 +0300 | [diff] [blame] | 140 | /* Delete the ACPI tables */ |
| 141 | |
| 142 | acpi_tb_terminate(); |
| 143 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | /* Close the globals */ |
| 145 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 146 | acpi_ut_terminate(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | |
| 148 | /* Purge the local caches */ |
| 149 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 150 | (void)acpi_ut_delete_caches(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | return_VOID; |
| 152 | } |