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 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 /* Hex-to-ascii */ 84 85 const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef"; 86 const 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 */ 104 const 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 ******************************************************************************/ 136 137 struct 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 }; 204 205 struct 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 */ 232 233 const char *acpi_gbl_pld_panel_list[] = { 234 "TOP", 235 "BOTTOM", 236 "LEFT", 237 "RIGHT", 238 "FRONT", 239 "BACK", 240 "UNKNOWN", 241 NULL 242 }; 243 244 const char *acpi_gbl_pld_vertical_position_list[] = { 245 "UPPER", 246 "CENTER", 247 "LOWER", 248 NULL 249 }; 250 251 const char *acpi_gbl_pld_horizontal_position_list[] = { 252 "LEFT", 253 "CENTER", 254 "RIGHT", 255 NULL 256 }; 257 258 const 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 */ 273 274 ACPI_EXPORT_SYMBOL(acpi_gbl_FADT) 275 ACPI_EXPORT_SYMBOL(acpi_dbg_level) 276 ACPI_EXPORT_SYMBOL(acpi_dbg_layer) 277 ACPI_EXPORT_SYMBOL(acpi_gpe_count) 278 ACPI_EXPORT_SYMBOL(acpi_current_gpe_count) 279