LXR linux/drivers/acpi/acpica/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/acpi.h>
  48#include "accommon.h"
  49
  50#define _COMPONENT          ACPI_UTILITIES
  51ACPI_MODULE_NAME("utglobal")
  52
  53/*******************************************************************************
  54 *
  55 * Static global variable initialization.
  56 *
  57 ******************************************************************************/
  58/* Various state name strings */
  59const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = {
  60        "\\_S0_",
  61        "\\_S1_",
  62        "\\_S2_",
  63        "\\_S3_",
  64        "\\_S4_",
  65        "\\_S5_"
  66};
  67
  68const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS] = {
  69        "_S0W",
  70        "_S1W",
  71        "_S2W",
  72        "_S3W",
  73        "_S4W"
  74};
  75
  76const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = {
  77        "_S1D",
  78        "_S2D",
  79        "_S3D",
  80        "_S4D"
  81};
  82
  83/* Hex-to-ascii */
  84
  85const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef";
  86const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF";
  87
  88/*******************************************************************************
  89 *
  90 * Namespace globals
  91 *
  92 ******************************************************************************/
  93/*
  94 * Predefined ACPI Names (Built-in to the Interpreter)
  95 *
  96 * NOTES:
  97 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run
  98 *    during the initialization sequence.
  99 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to
 100 *    perform a Notify() operation on it. 09/2010: Changed to type Device.
 101 *    This still allows notifies, but does not confuse host code that
 102 *    searches for valid thermal_zone objects.
 103 */
 104const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = {
 105        {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL},
 106        {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL},
 107        {"_SB_", ACPI_TYPE_DEVICE, NULL},
 108        {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL},
 109        {"_TZ_", ACPI_TYPE_DEVICE, NULL},
 110        /*
 111         * March, 2015:
 112         * The _REV object is in the process of being deprecated, because
 113         * other ACPI implementations permanently return 2. Thus, it
 114         * has little or no value. Return 2 for compatibility with
 115         * other ACPI implementations.
 116         */
 117        {"_REV", ACPI_TYPE_INTEGER, ACPI_CAST_PTR(char, 2)},
 118        {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME},
 119        {"_GL_", ACPI_TYPE_MUTEX, ACPI_CAST_PTR(char, 1)},
 120
 121#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
 122        {"_OSI", ACPI_TYPE_METHOD, ACPI_CAST_PTR(char, 1)},
 123#endif
 124
 125        /* Table terminator */
 126
 127        {NULL, ACPI_TYPE_ANY, NULL}
 128};
 129
 130#if (!ACPI_REDUCED_HARDWARE)
 131/******************************************************************************
 132 *
 133 * Event and Hardware globals
 134 *
 135 ******************************************************************************/
 136
 137struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = {
 138        /* Name                                     Parent Register             Register Bit Position                   Register Bit Mask       */
 139
 140        /* ACPI_BITREG_TIMER_STATUS         */ {ACPI_REGISTER_PM1_STATUS,
 141                                                ACPI_BITPOSITION_TIMER_STATUS,
 142                                                ACPI_BITMASK_TIMER_STATUS},
 143        /* ACPI_BITREG_BUS_MASTER_STATUS    */ {ACPI_REGISTER_PM1_STATUS,
 144                                                ACPI_BITPOSITION_BUS_MASTER_STATUS,
 145                                                ACPI_BITMASK_BUS_MASTER_STATUS},
 146        /* ACPI_BITREG_GLOBAL_LOCK_STATUS   */ {ACPI_REGISTER_PM1_STATUS,
 147                                                ACPI_BITPOSITION_GLOBAL_LOCK_STATUS,
 148                                                ACPI_BITMASK_GLOBAL_LOCK_STATUS},
 149        /* ACPI_BITREG_POWER_BUTTON_STATUS  */ {ACPI_REGISTER_PM1_STATUS,
 150                                                ACPI_BITPOSITION_POWER_BUTTON_STATUS,
 151                                                ACPI_BITMASK_POWER_BUTTON_STATUS},
 152        /* ACPI_BITREG_SLEEP_BUTTON_STATUS  */ {ACPI_REGISTER_PM1_STATUS,
 153                                                ACPI_BITPOSITION_SLEEP_BUTTON_STATUS,
 154                                                ACPI_BITMASK_SLEEP_BUTTON_STATUS},
 155        /* ACPI_BITREG_RT_CLOCK_STATUS      */ {ACPI_REGISTER_PM1_STATUS,
 156                                                ACPI_BITPOSITION_RT_CLOCK_STATUS,
 157                                                ACPI_BITMASK_RT_CLOCK_STATUS},
 158        /* ACPI_BITREG_WAKE_STATUS          */ {ACPI_REGISTER_PM1_STATUS,
 159                                                ACPI_BITPOSITION_WAKE_STATUS,
 160                                                ACPI_BITMASK_WAKE_STATUS},
 161        /* ACPI_BITREG_PCIEXP_WAKE_STATUS   */ {ACPI_REGISTER_PM1_STATUS,
 162                                                ACPI_BITPOSITION_PCIEXP_WAKE_STATUS,
 163                                                ACPI_BITMASK_PCIEXP_WAKE_STATUS},
 164
 165        /* ACPI_BITREG_TIMER_ENABLE         */ {ACPI_REGISTER_PM1_ENABLE,
 166                                                ACPI_BITPOSITION_TIMER_ENABLE,
 167                                                ACPI_BITMASK_TIMER_ENABLE},
 168        /* ACPI_BITREG_GLOBAL_LOCK_ENABLE   */ {ACPI_REGISTER_PM1_ENABLE,
 169                                                ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE,
 170                                                ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
 171        /* ACPI_BITREG_POWER_BUTTON_ENABLE  */ {ACPI_REGISTER_PM1_ENABLE,
 172                                                ACPI_BITPOSITION_POWER_BUTTON_ENABLE,
 173                                                ACPI_BITMASK_POWER_BUTTON_ENABLE},
 174        /* ACPI_BITREG_SLEEP_BUTTON_ENABLE  */ {ACPI_REGISTER_PM1_ENABLE,
 175                                                ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE,
 176                                                ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
 177        /* ACPI_BITREG_RT_CLOCK_ENABLE      */ {ACPI_REGISTER_PM1_ENABLE,
 178                                                ACPI_BITPOSITION_RT_CLOCK_ENABLE,
 179                                                ACPI_BITMASK_RT_CLOCK_ENABLE},
 180        /* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */ {ACPI_REGISTER_PM1_ENABLE,
 181                                                ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,
 182                                                ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
 183
 184        /* ACPI_BITREG_SCI_ENABLE           */ {ACPI_REGISTER_PM1_CONTROL,
 185                                                ACPI_BITPOSITION_SCI_ENABLE,
 186                                                ACPI_BITMASK_SCI_ENABLE},
 187        /* ACPI_BITREG_BUS_MASTER_RLD       */ {ACPI_REGISTER_PM1_CONTROL,
 188                                                ACPI_BITPOSITION_BUS_MASTER_RLD,
 189                                                ACPI_BITMASK_BUS_MASTER_RLD},
 190        /* ACPI_BITREG_GLOBAL_LOCK_RELEASE  */ {ACPI_REGISTER_PM1_CONTROL,
 191                                                ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE,
 192                                                ACPI_BITMASK_GLOBAL_LOCK_RELEASE},
 193        /* ACPI_BITREG_SLEEP_TYPE           */ {ACPI_REGISTER_PM1_CONTROL,
 194                                                ACPI_BITPOSITION_SLEEP_TYPE,
 195                                                ACPI_BITMASK_SLEEP_TYPE},
 196        /* ACPI_BITREG_SLEEP_ENABLE         */ {ACPI_REGISTER_PM1_CONTROL,
 197                                                ACPI_BITPOSITION_SLEEP_ENABLE,
 198                                                ACPI_BITMASK_SLEEP_ENABLE},
 199
 200        /* ACPI_BITREG_ARB_DIS              */ {ACPI_REGISTER_PM2_CONTROL,
 201                                                ACPI_BITPOSITION_ARB_DISABLE,
 202                                                ACPI_BITMASK_ARB_DISABLE}
 203};
 204
 205struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = {
 206        /* ACPI_EVENT_PMTIMER       */ {ACPI_BITREG_TIMER_STATUS,
 207                                        ACPI_BITREG_TIMER_ENABLE,
 208                                        ACPI_BITMASK_TIMER_STATUS,
 209                                        ACPI_BITMASK_TIMER_ENABLE},
 210        /* ACPI_EVENT_GLOBAL        */ {ACPI_BITREG_GLOBAL_LOCK_STATUS,
 211                                        ACPI_BITREG_GLOBAL_LOCK_ENABLE,
 212                                        ACPI_BITMASK_GLOBAL_LOCK_STATUS,
 213                                        ACPI_BITMASK_GLOBAL_LOCK_ENABLE},
 214        /* ACPI_EVENT_POWER_BUTTON  */ {ACPI_BITREG_POWER_BUTTON_STATUS,
 215                                        ACPI_BITREG_POWER_BUTTON_ENABLE,
 216                                        ACPI_BITMASK_POWER_BUTTON_STATUS,
 217                                        ACPI_BITMASK_POWER_BUTTON_ENABLE},
 218        /* ACPI_EVENT_SLEEP_BUTTON  */ {ACPI_BITREG_SLEEP_BUTTON_STATUS,
 219                                        ACPI_BITREG_SLEEP_BUTTON_ENABLE,
 220                                        ACPI_BITMASK_SLEEP_BUTTON_STATUS,
 221                                        ACPI_BITMASK_SLEEP_BUTTON_ENABLE},
 222        /* ACPI_EVENT_RTC           */ {ACPI_BITREG_RT_CLOCK_STATUS,
 223                                        ACPI_BITREG_RT_CLOCK_ENABLE,
 224                                        ACPI_BITMASK_RT_CLOCK_STATUS,
 225                                        ACPI_BITMASK_RT_CLOCK_ENABLE},
 226};
 227#endif                          /* !ACPI_REDUCED_HARDWARE */
 228
 229#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER)
 230
 231/* to_pld macro: compile/disassemble strings */
 232
 233const char *acpi_gbl_pld_panel_list[] = {
 234        "TOP",
 235        "BOTTOM",
 236        "LEFT",
 237        "RIGHT",
 238        "FRONT",
 239        "BACK",
 240        "UNKNOWN",
 241        NULL
 242};
 243
 244const char *acpi_gbl_pld_vertical_position_list[] = {
 245        "UPPER",
 246        "CENTER",
 247        "LOWER",
 248        NULL
 249};
 250
 251const char *acpi_gbl_pld_horizontal_position_list[] = {
 252        "LEFT",
 253        "CENTER",
 254        "RIGHT",
 255        NULL
 256};
 257
 258const char *acpi_gbl_pld_shape_list[] = {
 259        "ROUND",
 260        "OVAL",
 261        "SQUARE",
 262        "VERTICALRECTANGLE",
 263        "HORIZONTALRECTANGLE",
 264        "VERTICALTRAPEZOID",
 265        "HORIZONTALTRAPEZOID",
 266        "UNKNOWN",
 267        "CHAMFERED",
 268        NULL
 269};
 270#endif
 271
 272/* Public globals */
 273
 274ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
 275ACPI_EXPORT_SYMBOL(acpi_dbg_level)
 276ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
 277ACPI_EXPORT_SYMBOL(acpi_gpe_count)
 278ACPI_EXPORT_SYMBOL(acpi_current_gpe_count)
 279