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#include <acpi/acpi.h>
45#include "accommon.h"
46#include "acnamesp.h"
47#include "acevents.h"
48#include "actables.h"
49
50#define _COMPONENT          ACPI_UTILITIES
51ACPI_MODULE_NAME("utinit")
52
53/* Local prototypes */
54static void acpi_ut_terminate(void);
55
56#if (!ACPI_REDUCED_HARDWARE)
57
58static void acpi_ut_free_gpe_lists(void);
59
60#else
61
62#define acpi_ut_free_gpe_lists()
63#endif				/* !ACPI_REDUCED_HARDWARE */
64
65#if (!ACPI_REDUCED_HARDWARE)
66/******************************************************************************
67 *
68 * FUNCTION:    acpi_ut_free_gpe_lists
69 *
70 * PARAMETERS:  none
71 *
72 * RETURN:      none
73 *
74 * DESCRIPTION: Free global GPE lists
75 *
76 ******************************************************************************/
77
78static void acpi_ut_free_gpe_lists(void)
79{
80	struct acpi_gpe_block_info *gpe_block;
81	struct acpi_gpe_block_info *next_gpe_block;
82	struct acpi_gpe_xrupt_info *gpe_xrupt_info;
83	struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;
84
85	/* Free global GPE blocks and related info structures */
86
87	gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
88	while (gpe_xrupt_info) {
89		gpe_block = gpe_xrupt_info->gpe_block_list_head;
90		while (gpe_block) {
91			next_gpe_block = gpe_block->next;
92			ACPI_FREE(gpe_block->event_info);
93			ACPI_FREE(gpe_block->register_info);
94			ACPI_FREE(gpe_block);
95
96			gpe_block = next_gpe_block;
97		}
98		next_gpe_xrupt_info = gpe_xrupt_info->next;
99		ACPI_FREE(gpe_xrupt_info);
100		gpe_xrupt_info = next_gpe_xrupt_info;
101	}
102}
103#endif				/* !ACPI_REDUCED_HARDWARE */
104
105/******************************************************************************
106 *
107 * FUNCTION:    acpi_ut_terminate
108 *
109 * PARAMETERS:  none
110 *
111 * RETURN:      none
112 *
113 * DESCRIPTION: Free global memory
114 *
115 ******************************************************************************/
116
117static void acpi_ut_terminate(void)
118{
119	ACPI_FUNCTION_TRACE(ut_terminate);
120
121	acpi_ut_free_gpe_lists();
122	acpi_ut_delete_address_lists();
123	return_VOID;
124}
125
126/*******************************************************************************
127 *
128 * FUNCTION:    acpi_ut_subsystem_shutdown
129 *
130 * PARAMETERS:  None
131 *
132 * RETURN:      None
133 *
134 * DESCRIPTION: Shutdown the various components. Do not delete the mutex
135 *              objects here, because the AML debugger may be still running.
136 *
137 ******************************************************************************/
138
139void acpi_ut_subsystem_shutdown(void)
140{
141	ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
142
143#ifndef ACPI_ASL_COMPILER
144
145	/* Close the acpi_event Handling */
146
147	acpi_ev_terminate();
148
149	/* Delete any dynamic _OSI interfaces */
150
151	acpi_ut_interface_terminate();
152#endif
153
154	/* Close the Namespace */
155
156	acpi_ns_terminate();
157
158	/* Delete the ACPI tables */
159
160	acpi_tb_terminate();
161
162	/* Close the globals */
163
164	acpi_ut_terminate();
165
166	/* Purge the local caches */
167
168	(void)acpi_ut_delete_caches();
169	return_VOID;
170}
171