drivers/bus/acpi/acpica/utilities/utglobal.c

   1 /******************************************************************************
   2  *
   3  * Module Name: utglobal - Global variables for the ACPI subsystem
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2018, 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 #define EXPORT_ACPI_INTERFACES
  45 #define DEFINE_ACPI_GLOBALS
  46
  47 #include "acpi.h"
  48 #include "accommon.h"
  49
  50 #define _COMPONENT          ACPI_UTILITIES
  51         ACPI_MODULE_NAME    ("utglobal")
  52
  53
  54 /*******************************************************************************
  55  *
  56  * Static global variable initialization.
  57  *
  58  ******************************************************************************/
  59
  60 /* Various state name strings */
  61
  62 const char                  *AcpiGbl_SleepStateNames[ACPI_S_STATE_COUNT] =
  63 {
  64     "\\_S0_",
  65     "\\_S1_",
  66     "\\_S2_",
  67     "\\_S3_",
  68     "\\_S4_",
  69     "\\_S5_"
  70 };
  71
  72 const char                  *AcpiGbl_LowestDstateNames[ACPI_NUM_SxW_METHODS] =
  73 {
  74     "_S0W",
  75     "_S1W",
  76     "_S2W",
  77     "_S3W",
  78     "_S4W"
  79 };
  80
  81 const char                  *AcpiGbl_HighestDstateNames[ACPI_NUM_SxD_METHODS] =
  82 {
  83     "_S1D",
  84     "_S2D",
  85     "_S3D",
  86     "_S4D"
  87 };
  88
  89
  90 /* Hex-to-ascii */
  91
  92 const char                  AcpiGbl_LowerHexDigits[] = "0123456789abcdef";
  93 const char                  AcpiGbl_UpperHexDigits[] = "0123456789ABCDEF";
  94
  95
  96 /*******************************************************************************
  97  *
  98  * Namespace globals
  99  *
 100  ******************************************************************************/
 101
 102 /*
 103  * Predefined ACPI Names (Built-in to the Interpreter)
 104  *
 105  * NOTES:
 106  * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
 107  *    during the initialization sequence.
 108  * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
 109  *    perform a Notify() operation on it. 09/2010: Changed to type Device.
 110  *    This still allows notifies, but does not confuse host code that
 111  *    searches for valid ThermalZone objects.
 112  */
 113 const ACPI_PREDEFINED_NAMES     AcpiGbl_PreDefinedNames[] =
 114 {
 115     {"_GPE",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
 116     {"_PR_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
 117     {"_SB_",    ACPI_TYPE_DEVICE,           NULL},
 118     {"_SI_",    ACPI_TYPE_LOCAL_SCOPE,      NULL},
 119     {"_TZ_",    ACPI_TYPE_DEVICE,           NULL},
 120     /*
 121      * March, 2015:
 122      * The _REV object is in the process of being deprecated, because
 123      * other ACPI implementations permanently return 2. Thus, it
 124      * has little or no value. Return 2 for compatibility with
 125      * other ACPI implementations.
 126      */
 127     {"_REV",    ACPI_TYPE_INTEGER,          ACPI_CAST_PTR (char, 2)},
 128     {"_OS_",    ACPI_TYPE_STRING,           ACPI_OS_NAME},
 129     {"_GL_",    ACPI_TYPE_MUTEX,            ACPI_CAST_PTR (char, 1)},
 130
 131 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
 132     {"_OSI",    ACPI_TYPE_METHOD,           ACPI_CAST_PTR (char, 1)},
 133 #endif
 134
 135     /* Table terminator */
 136
 137     {NULL,      ACPI_TYPE_ANY,              NULL}
 138 };
 139
 140
 141 #if (!ACPI_REDUCED_HARDWARE)
 142 /******************************************************************************
 143  *
 144  * Event and Hardware globals
 145  *
 146  ******************************************************************************/
 147
 148 ACPI_BIT_REGISTER_INFO      AcpiGbl_BitRegisterInfo[ACPI_NUM_BITREG] =
 149 {
 150     /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */
 151
 152     /* ACPI_BITREG_TIMER_STATUS         */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_TIMER_STATUS,          ACPI_BITMASK_TIMER_STATUS},
 153     /* ACPI_BITREG_BUS_MASTER_STATUS    */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_BUS_MASTER_STATUS,     ACPI_BITMASK_BUS_MASTER_STATUS},
 154     /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_STATUS},
 155     /* ACPI_BITREG_POWER_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_STATUS},
 156     /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_STATUS},
 157     /* ACPI_BITREG_RT_CLOCK_STATUS      */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_STATUS},
 158     /* ACPI_BITREG_WAKE_STATUS          */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_WAKE_STATUS,           ACPI_BITMASK_WAKE_STATUS},
 159     /* ACPI_BITREG_PCIEXP_WAKE_STATUS   */   {ACPI_REGISTER_PM1_STATUS,   ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,    ACPI_BITMASK_PCIEXP_WAKE_STATUS},
 160
 161     /* ACPI_BITREG_TIMER_ENABLE         */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_TIMER_ENABLE,          ACPI_BITMASK_TIMER_ENABLE},
 162     /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
 163     /* ACPI_BITREG_POWER_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_POWER_BUTTON_ENABLE,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
 164     /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
 165     /* ACPI_BITREG_RT_CLOCK_ENABLE      */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_RT_CLOCK_ENABLE,       ACPI_BITMASK_RT_CLOCK_ENABLE},
 166     /* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */   {ACPI_REGISTER_PM1_ENABLE,   ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,   ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
 167
 168     /* ACPI_BITREG_SCI_ENABLE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SCI_ENABLE,            ACPI_BITMASK_SCI_ENABLE},
 169     /* ACPI_BITREG_BUS_MASTER_RLD       */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_BUS_MASTER_RLD,        ACPI_BITMASK_BUS_MASTER_RLD},
 170     /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,   ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
 171     /* ACPI_BITREG_SLEEP_TYPE           */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_TYPE,            ACPI_BITMASK_SLEEP_TYPE},
 172     /* ACPI_BITREG_SLEEP_ENABLE         */   {ACPI_REGISTER_PM1_CONTROL,  ACPI_BITPOSITION_SLEEP_ENABLE,          ACPI_BITMASK_SLEEP_ENABLE},
 173
 174     /* ACPI_BITREG_ARB_DIS              */   {ACPI_REGISTER_PM2_CONTROL,  ACPI_BITPOSITION_ARB_DISABLE,           ACPI_BITMASK_ARB_DISABLE}
 175 };
 176
 177
 178 ACPI_FIXED_EVENT_INFO       AcpiGbl_FixedEventInfo[ACPI_NUM_FIXED_EVENTS] =
 179 {
 180     /* ACPI_EVENT_PMTIMER       */  {ACPI_BITREG_TIMER_STATUS,          ACPI_BITREG_TIMER_ENABLE,        ACPI_BITMASK_TIMER_STATUS,          ACPI_BITMASK_TIMER_ENABLE},
 181     /* ACPI_EVENT_GLOBAL        */  {ACPI_BITREG_GLOBAL_LOCK_STATUS,    ACPI_BITREG_GLOBAL_LOCK_ENABLE,  ACPI_BITMASK_GLOBAL_LOCK_STATUS,    ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
 182     /* ACPI_EVENT_POWER_BUTTON  */  {ACPI_BITREG_POWER_BUTTON_STATUS,   ACPI_BITREG_POWER_BUTTON_ENABLE, ACPI_BITMASK_POWER_BUTTON_STATUS,   ACPI_BITMASK_POWER_BUTTON_ENABLE},
 183     /* ACPI_EVENT_SLEEP_BUTTON  */  {ACPI_BITREG_SLEEP_BUTTON_STATUS,   ACPI_BITREG_SLEEP_BUTTON_ENABLE, ACPI_BITMASK_SLEEP_BUTTON_STATUS,   ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
 184     /* ACPI_EVENT_RTC           */  {ACPI_BITREG_RT_CLOCK_STATUS,       ACPI_BITREG_RT_CLOCK_ENABLE,     ACPI_BITMASK_RT_CLOCK_STATUS,       ACPI_BITMASK_RT_CLOCK_ENABLE},
 185 };
 186 #endif /* !ACPI_REDUCED_HARDWARE */
 187
 188
 189 #if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
 190
 191 /* ToPld macro: compile/disassemble strings */
 192
 193 const char              *AcpiGbl_PldPanelList[] =
 194 {
 195     "TOP",
 196     "BOTTOM",
 197     "LEFT",
 198     "RIGHT",
 199     "FRONT",
 200     "BACK",
 201     "UNKNOWN",
 202     NULL
 203 };
 204
 205 const char              *AcpiGbl_PldVerticalPositionList[] =
 206 {
 207     "UPPER",
 208     "CENTER",
 209     "LOWER",
 210     NULL
 211 };
 212
 213 const char              *AcpiGbl_PldHorizontalPositionList[] =
 214 {
 215     "LEFT",
 216     "CENTER",
 217     "RIGHT",
 218     NULL
 219 };
 220
 221 const char              *AcpiGbl_PldShapeList[] =
 222 {
 223     "ROUND",
 224     "OVAL",
 225     "SQUARE",
 226     "VERTICALRECTANGLE",
 227     "HORIZONTALRECTANGLE",
 228     "VERTICALTRAPEZOID",
 229     "HORIZONTALTRAPEZOID",
 230     "UNKNOWN",
 231     "CHAMFERED",
 232     NULL
 233 };
 234 #endif
 235
 236
 237 /* Public globals */
 238
 239 ACPI_EXPORT_SYMBOL (AcpiGbl_FADT)
 240 ACPI_EXPORT_SYMBOL (AcpiDbgLevel)
 241 ACPI_EXPORT_SYMBOL (AcpiDbgLayer)
 242 ACPI_EXPORT_SYMBOL (AcpiGpeCount)
 243 ACPI_EXPORT_SYMBOL (AcpiCurrentGpeCount)