1 /****************************************************************************** 2 * 3 * Module Name: utglobal - Global variables for the ACPI subsystem 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 #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 51 ACPI_MODULE_NAME("utglobal") 52 53 /******************************************************************************* 54 * 55 * Static global variable initialization. 56 * 57 ******************************************************************************/ 58 /* Various state name strings */ 59 const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT] = { 60 "\\_S0_", 61 "\\_S1_", 62 "\\_S2_", 63 "\\_S3_", 64 "\\_S4_", 65 "\\_S5_" 66 }; 67 68 const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS] = { 69 "_S0W", 70 "_S1W", 71 "_S2W", 72 "_S3W", 73 "_S4W" 74 }; 75 76 const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS] = { 77 "_S1D", 78 "_S2D", 79 "_S3D", 80 "_S4D" 81 }; 82 83 /******************************************************************************* 84 * 85 * Namespace globals 86 * 87 ******************************************************************************/ 88 /* 89 * Predefined ACPI Names (Built-in to the Interpreter) 90 * 91 * NOTES: 92 * 1) _SB_ is defined to be a device to allow \_SB_._INI to be run 93 * during the initialization sequence. 94 * 2) _TZ_ is defined to be a thermal zone in order to allow ASL code to 95 * perform a Notify() operation on it. 09/2010: Changed to type Device. 96 * This still allows notifies, but does not confuse host code that 97 * searches for valid thermal_zone objects. 98 */ 99 const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = { 100 {"_GPE", ACPI_TYPE_LOCAL_SCOPE, NULL}, 101 {"_PR_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 102 {"_SB_", ACPI_TYPE_DEVICE, NULL}, 103 {"_SI_", ACPI_TYPE_LOCAL_SCOPE, NULL}, 104 {"_TZ_", ACPI_TYPE_DEVICE, NULL}, 105 {"_REV", ACPI_TYPE_INTEGER, (char *)ACPI_CA_SUPPORT_LEVEL}, 106 {"_OS_", ACPI_TYPE_STRING, ACPI_OS_NAME}, 107 {"_GL_", ACPI_TYPE_MUTEX, (char *)1}, 108 109 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY) 110 {"_OSI", ACPI_TYPE_METHOD, (char *)1}, 111 #endif 112 113 /* Table terminator */ 114 115 {NULL, ACPI_TYPE_ANY, NULL} 116 }; 117 118 #if (!ACPI_REDUCED_HARDWARE) 119 /****************************************************************************** 120 * 121 * Event and Hardware globals 122 * 123 ******************************************************************************/ 124 125 struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = { 126 /* Name Parent Register Register Bit Position Register Bit Mask */ 127 128 /* ACPI_BITREG_TIMER_STATUS */ {ACPI_REGISTER_PM1_STATUS, 129 ACPI_BITPOSITION_TIMER_STATUS, 130 ACPI_BITMASK_TIMER_STATUS}, 131 /* ACPI_BITREG_BUS_MASTER_STATUS */ {ACPI_REGISTER_PM1_STATUS, 132 ACPI_BITPOSITION_BUS_MASTER_STATUS, 133 ACPI_BITMASK_BUS_MASTER_STATUS}, 134 /* ACPI_BITREG_GLOBAL_LOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, 135 ACPI_BITPOSITION_GLOBAL_LOCK_STATUS, 136 ACPI_BITMASK_GLOBAL_LOCK_STATUS}, 137 /* ACPI_BITREG_POWER_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, 138 ACPI_BITPOSITION_POWER_BUTTON_STATUS, 139 ACPI_BITMASK_POWER_BUTTON_STATUS}, 140 /* ACPI_BITREG_SLEEP_BUTTON_STATUS */ {ACPI_REGISTER_PM1_STATUS, 141 ACPI_BITPOSITION_SLEEP_BUTTON_STATUS, 142 ACPI_BITMASK_SLEEP_BUTTON_STATUS}, 143 /* ACPI_BITREG_RT_CLOCK_STATUS */ {ACPI_REGISTER_PM1_STATUS, 144 ACPI_BITPOSITION_RT_CLOCK_STATUS, 145 ACPI_BITMASK_RT_CLOCK_STATUS}, 146 /* ACPI_BITREG_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, 147 ACPI_BITPOSITION_WAKE_STATUS, 148 ACPI_BITMASK_WAKE_STATUS}, 149 /* ACPI_BITREG_PCIEXP_WAKE_STATUS */ {ACPI_REGISTER_PM1_STATUS, 150 ACPI_BITPOSITION_PCIEXP_WAKE_STATUS, 151 ACPI_BITMASK_PCIEXP_WAKE_STATUS}, 152 153 /* ACPI_BITREG_TIMER_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 154 ACPI_BITPOSITION_TIMER_ENABLE, 155 ACPI_BITMASK_TIMER_ENABLE}, 156 /* ACPI_BITREG_GLOBAL_LOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 157 ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE, 158 ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 159 /* ACPI_BITREG_POWER_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 160 ACPI_BITPOSITION_POWER_BUTTON_ENABLE, 161 ACPI_BITMASK_POWER_BUTTON_ENABLE}, 162 /* ACPI_BITREG_SLEEP_BUTTON_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 163 ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE, 164 ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 165 /* ACPI_BITREG_RT_CLOCK_ENABLE */ {ACPI_REGISTER_PM1_ENABLE, 166 ACPI_BITPOSITION_RT_CLOCK_ENABLE, 167 ACPI_BITMASK_RT_CLOCK_ENABLE}, 168 /* ACPI_BITREG_PCIEXP_WAKE_DISABLE */ {ACPI_REGISTER_PM1_ENABLE, 169 ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE, 170 ACPI_BITMASK_PCIEXP_WAKE_DISABLE}, 171 172 /* ACPI_BITREG_SCI_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, 173 ACPI_BITPOSITION_SCI_ENABLE, 174 ACPI_BITMASK_SCI_ENABLE}, 175 /* ACPI_BITREG_BUS_MASTER_RLD */ {ACPI_REGISTER_PM1_CONTROL, 176 ACPI_BITPOSITION_BUS_MASTER_RLD, 177 ACPI_BITMASK_BUS_MASTER_RLD}, 178 /* ACPI_BITREG_GLOBAL_LOCK_RELEASE */ {ACPI_REGISTER_PM1_CONTROL, 179 ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE, 180 ACPI_BITMASK_GLOBAL_LOCK_RELEASE}, 181 /* ACPI_BITREG_SLEEP_TYPE */ {ACPI_REGISTER_PM1_CONTROL, 182 ACPI_BITPOSITION_SLEEP_TYPE, 183 ACPI_BITMASK_SLEEP_TYPE}, 184 /* ACPI_BITREG_SLEEP_ENABLE */ {ACPI_REGISTER_PM1_CONTROL, 185 ACPI_BITPOSITION_SLEEP_ENABLE, 186 ACPI_BITMASK_SLEEP_ENABLE}, 187 188 /* ACPI_BITREG_ARB_DIS */ {ACPI_REGISTER_PM2_CONTROL, 189 ACPI_BITPOSITION_ARB_DISABLE, 190 ACPI_BITMASK_ARB_DISABLE} 191 }; 192 193 struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = { 194 /* ACPI_EVENT_PMTIMER */ {ACPI_BITREG_TIMER_STATUS, 195 ACPI_BITREG_TIMER_ENABLE, 196 ACPI_BITMASK_TIMER_STATUS, 197 ACPI_BITMASK_TIMER_ENABLE}, 198 /* ACPI_EVENT_GLOBAL */ {ACPI_BITREG_GLOBAL_LOCK_STATUS, 199 ACPI_BITREG_GLOBAL_LOCK_ENABLE, 200 ACPI_BITMASK_GLOBAL_LOCK_STATUS, 201 ACPI_BITMASK_GLOBAL_LOCK_ENABLE}, 202 /* ACPI_EVENT_POWER_BUTTON */ {ACPI_BITREG_POWER_BUTTON_STATUS, 203 ACPI_BITREG_POWER_BUTTON_ENABLE, 204 ACPI_BITMASK_POWER_BUTTON_STATUS, 205 ACPI_BITMASK_POWER_BUTTON_ENABLE}, 206 /* ACPI_EVENT_SLEEP_BUTTON */ {ACPI_BITREG_SLEEP_BUTTON_STATUS, 207 ACPI_BITREG_SLEEP_BUTTON_ENABLE, 208 ACPI_BITMASK_SLEEP_BUTTON_STATUS, 209 ACPI_BITMASK_SLEEP_BUTTON_ENABLE}, 210 /* ACPI_EVENT_RTC */ {ACPI_BITREG_RT_CLOCK_STATUS, 211 ACPI_BITREG_RT_CLOCK_ENABLE, 212 ACPI_BITMASK_RT_CLOCK_STATUS, 213 ACPI_BITMASK_RT_CLOCK_ENABLE}, 214 }; 215 #endif /* !ACPI_REDUCED_HARDWARE */ 216 217 /* Public globals */ 218 219 ACPI_EXPORT_SYMBOL(acpi_gbl_FADT) 220 ACPI_EXPORT_SYMBOL(acpi_dbg_level) 221 ACPI_EXPORT_SYMBOL(acpi_dbg_layer) 222 ACPI_EXPORT_SYMBOL(acpi_gpe_count) 223 ACPI_EXPORT_SYMBOL(acpi_current_gpe_count) 224