1 /******************************************************************************
   2  *
   3  * Module Name: utinit - Common ACPI subsystem initialization
   4  *
   5  *****************************************************************************/
   6 
   7 /*
   8  * Copyright (C) 2000 - 2014, 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 "acpi.h"
  48 #include "accommon.h"
  49 #include "acnamesp.h"
  50 #include "acevents.h"
  51 #include "actables.h"
  52 
  53 #define _COMPONENT          ACPI_UTILITIES
  54         ACPI_MODULE_NAME    ("utinit")
  55 
  56 /* Local prototypes */
  57 
  58 static void AcpiUtTerminate (
  59     void);
  60 
  61 #if (!ACPI_REDUCED_HARDWARE)
  62 
  63 static void
  64 AcpiUtFreeGpeLists (
  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 
  86 static void
  87 AcpiUtFreeGpeLists (
  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 
 131 static void
 132 AcpiUtTerminate (
 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 
 156 void
 157 AcpiUtSubsystemShutdown (
 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 }