1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 2/****************************************************************************** 3 * 4 * Module Name: utglobal - Global variables for the ACPI subsystem 5 * 6 * Copyright (C) 2000 - 2023, Intel Corp. 7 * 8 *****************************************************************************/ 9 10#define EXPORT_ACPI_INTERFACES 11#define DEFINE_ACPI_GLOBALS 12 13#include <acpi/acpi.h> 14#include "accommon.h" 15 16#define _COMPONENT ACPI_UTILITIES 17ACPI_MODULE_NAME("utglobal") 18 19/******************************************************************************* 20 * 21 * Static global variable initialization. 22 * 23 ******************************************************************************/ 24/* Various state name strings */ 25const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = { 26 "\\_S0_", 27 "\\_S1_", 28 "\\_S2_", 29 "\\_S3_", 30 "\\_S4_", 31 "\\_S5_" 32}; 33 34const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS] = { 35 "_S0W", 36 "_S1W", 37 "_S2W", 38 "_S3W", 39 "_S4W" 40}; 41 42const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = { 43 "_S1D", 44 "_S2D", 45 "_S3D", 46 "_S4D" 47}; 48 49/* Hex-to-ascii */ 50 51const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef"; 52const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF"; 53 54/******************************************************************************* 55 * 56 * Namespace globals 57 * 58 ******************************************************************************/ 59/* 60 * Predefined ACPI Names (Built-in to the Interpreter) 61 * 62 * NOTES: 63 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run 64 * during the initialization sequence. 65 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to 66 * perform a Notify() operation on it. 09/2010: Changed to type Device. 67 * This still allows notifies, but does not confuse host code that 68 * searches for valid thermal_zone objects. 69 */ 70const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = { 71 {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, 72 {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 73 {"_SB_", ACPI_TYPE_DEVICE, NULL}, 74 {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 75 {"_TZ_", ACPI_TYPE_DEVICE, NULL}, 76 /* 77 * March, 2015: 78 * The _REV object is in the process of being deprecated, because 79 * other ACPI implementations permanently return 2. Thus, it 80 * has little or no value. Return 2 for compatibility with 81 * other ACPI implementations. 82 */ 83 {"_REV", ACPI_TYPE_INTEGER, ACPI_CAST_PTR(char, 2)}, 84 {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, 85 {"_GL_", ACPI_TYPE_MUTEX, ACPI_CAST_PTR(char, 1)}, 86 {"_OSI", ACPI_TYPE_METHOD, ACPI_CAST_PTR(char, 1)}, 87 88 /* Table terminator */ 89 90 {NULL, ACPI_TYPE_ANY, NULL} 91}; 92 93#if (!ACPI_REDUCED_HARDWARE) 94/****************************************************************************** 95 * 96 * Event and Hardware globals 97 * 98 ******************************************************************************/ 99 100struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = { 101 /* Name Parent Register Register Bit Position Register Bit Mask */ 102 103 /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, 104 ACPI_BITPOSITION_TIMER_STATUS, 105 ACPI_BITMASK_TIMER_STATUS}, 106 /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, 107 ACPI_BITPOSITION_BUS_MASTER_STATUS, 108 ACPI_BITMASK_BUS_MASTER_STATUS}, 109 /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, 110 ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, 111 ACPI_BITMASK_GLOBAL_LOCK_STATUS}, 112 /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, 113 ACPI_BITPOSITION_POWER_BUTTON_STATUS, 114 ACPI_BITMASK_POWER_BUTTON_STATUS}, 115 /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, 116 ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, 117 ACPI_BITMASK_SLEEP_BUTTON_STATUS}, 118 /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, 119 ACPI_BITPOSITION_RT_CLOCK_STATUS, 120 ACPI_BITMASK_RT_CLOCK_STATUS}, 121 /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, 122 ACPI_BITPOSITION_WAKE_STATUS, 123 ACPI_BITMASK_WAKE_STATUS}, 124 /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, 125 ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, 126 ACPI_BITMASK_PCIEXP_WAKE_STATUS}, 127 128 /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 129 ACPI_BITPOSITION_TIMER_ENABLE, 130 ACPI_BITMASK_TIMER_ENABLE}, 131 /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 132 ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, 133 ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 134 /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 135 ACPI_BITPOSITION_POWER_BUTTON_ENABLE, 136 ACPI_BITMASK_POWER_BUTTON_ENABLE}, 137 /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 138 ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, 139 ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 140 /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 141 ACPI_BITPOSITION_RT_CLOCK_ENABLE, 142 ACPI_BITMASK_RT_CLOCK_ENABLE}, 143 /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, 144 ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, 145 ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, 146 147 /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, 148 ACPI_BITPOSITION_SCI_ENABLE, 149 ACPI_BITMASK_SCI_ENABLE}, 150 /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, 151 ACPI_BITPOSITION_BUS_MASTER_RLD, 152 ACPI_BITMASK_BUS_MASTER_RLD}, 153 /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, 154 ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, 155 ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, 156 /* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL, 157 ACPI_BITPOSITION_SLEEP_TYPE, 158 ACPI_BITMASK_SLEEP_TYPE}, 159 /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, 160 ACPI_BITPOSITION_SLEEP_ENABLE, 161 ACPI_BITMASK_SLEEP_ENABLE}, 162 163 /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, 164 ACPI_BITPOSITION_ARB_DISABLE, 165 ACPI_BITMASK_ARB_DISABLE} 166}; 167 168struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = { 169 /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, 170 ACPI_BITREG_TIMER_ENABLE, 171 ACPI_BITMASK_TIMER_STATUS, 172 ACPI_BITMASK_TIMER_ENABLE}, 173 /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, 174 ACPI_BITREG_GLOBAL_LOCK_ENABLE, 175 ACPI_BITMASK_GLOBAL_LOCK_STATUS, 176 ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 177 /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, 178 ACPI_BITREG_POWER_BUTTON_ENABLE, 179 ACPI_BITMASK_POWER_BUTTON_STATUS, 180 ACPI_BITMASK_POWER_BUTTON_ENABLE}, 181 /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, 182 ACPI_BITREG_SLEEP_BUTTON_ENABLE, 183 ACPI_BITMASK_SLEEP_BUTTON_STATUS, 184 ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 185 /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, 186 ACPI_BITREG_RT_CLOCK_ENABLE, 187 ACPI_BITMASK_RT_CLOCK_STATUS, 188 ACPI_BITMASK_RT_CLOCK_ENABLE}, 189}; 190#endif /* !ACPI_REDUCED_HARDWARE */ 191 192#if defined (ACPI_DISASSEMBLER) || defined (ACPI_ASL_COMPILER) 193 194/* to_pld macro: compile/disassemble strings */ 195 196const char *acpi_gbl_pld_panel_list[] = { 197 "TOP", 198 "BOTTOM", 199 "LEFT", 200 "RIGHT", 201 "FRONT", 202 "BACK", 203 "UNKNOWN", 204 NULL 205}; 206 207const char *acpi_gbl_pld_vertical_position_list[] = { 208 "UPPER", 209 "CENTER", 210 "LOWER", 211 NULL 212}; 213 214const char *acpi_gbl_pld_horizontal_position_list[] = { 215 "LEFT", 216 "CENTER", 217 "RIGHT", 218 NULL 219}; 220 221const char *acpi_gbl_pld_shape_list[] = { 222 "ROUND", 223 "OVAL", 224 "SQUARE", 225 "VERTICALRECTANGLE", 226 "HORIZONTALRECTANGLE", 227 "VERTICALTRAPEZOID", 228 "HORIZONTALTRAPEZOID", 229 "UNKNOWN", 230 "CHAMFERED", 231 NULL 232}; 233#endif 234 235/* Public globals */ 236 237ACPI_EXPORT_SYMBOL(acpi_gbl_FADT) 238ACPI_EXPORT_SYMBOL(acpi_dbg_level) 239ACPI_EXPORT_SYMBOL(acpi_dbg_layer) 240ACPI_EXPORT_SYMBOL(acpi_gpe_count) 241ACPI_EXPORT_SYMBOL(acpi_current_gpe_count) 242