evxfevnt.c revision 1.1.1.2.2.2
1 1.1.1.2.2.2 bouyer /****************************************************************************** 2 1.1.1.2.2.2 bouyer * 3 1.1.1.2.2.2 bouyer * Module Name: evxfevnt - External Interfaces, ACPI event disable/enable 4 1.1.1.2.2.2 bouyer * 5 1.1.1.2.2.2 bouyer *****************************************************************************/ 6 1.1.1.2.2.2 bouyer 7 1.1.1.2.2.2 bouyer /* 8 1.1.1.2.2.2 bouyer * Copyright (C) 2000 - 2011, Intel Corp. 9 1.1.1.2.2.2 bouyer * All rights reserved. 10 1.1.1.2.2.2 bouyer * 11 1.1.1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 12 1.1.1.2.2.2 bouyer * modification, are permitted provided that the following conditions 13 1.1.1.2.2.2 bouyer * are met: 14 1.1.1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 15 1.1.1.2.2.2 bouyer * notice, this list of conditions, and the following disclaimer, 16 1.1.1.2.2.2 bouyer * without modification. 17 1.1.1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.2.2.2 bouyer * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.2.2.2 bouyer * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.2.2.2 bouyer * including a substantially similar Disclaimer requirement for further 21 1.1.1.2.2.2 bouyer * binary redistribution. 22 1.1.1.2.2.2 bouyer * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.2.2.2 bouyer * of any contributors may be used to endorse or promote products derived 24 1.1.1.2.2.2 bouyer * from this software without specific prior written permission. 25 1.1.1.2.2.2 bouyer * 26 1.1.1.2.2.2 bouyer * Alternatively, this software may be distributed under the terms of the 27 1.1.1.2.2.2 bouyer * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.2.2.2 bouyer * Software Foundation. 29 1.1.1.2.2.2 bouyer * 30 1.1.1.2.2.2 bouyer * NO WARRANTY 31 1.1.1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.2.2.2 bouyer * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.2.2.2 bouyer * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.2.2.2 bouyer * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.2.2.2 bouyer * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.2.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.2.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.2.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.2.2.2 bouyer * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.2.2.2 bouyer * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.2.2.2 bouyer * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.2.2.2 bouyer */ 43 1.1.1.2.2.2 bouyer 44 1.1.1.2.2.2 bouyer 45 1.1.1.2.2.2 bouyer #define __EVXFEVNT_C__ 46 1.1.1.2.2.2 bouyer 47 1.1.1.2.2.2 bouyer #include "acpi.h" 48 1.1.1.2.2.2 bouyer #include "accommon.h" 49 1.1.1.2.2.2 bouyer #include "actables.h" 50 1.1.1.2.2.2 bouyer 51 1.1.1.2.2.2 bouyer #define _COMPONENT ACPI_EVENTS 52 1.1.1.2.2.2 bouyer ACPI_MODULE_NAME ("evxfevnt") 53 1.1.1.2.2.2 bouyer 54 1.1.1.2.2.2 bouyer 55 1.1.1.2.2.2 bouyer /******************************************************************************* 56 1.1.1.2.2.2 bouyer * 57 1.1.1.2.2.2 bouyer * FUNCTION: AcpiEnable 58 1.1.1.2.2.2 bouyer * 59 1.1.1.2.2.2 bouyer * PARAMETERS: None 60 1.1.1.2.2.2 bouyer * 61 1.1.1.2.2.2 bouyer * RETURN: Status 62 1.1.1.2.2.2 bouyer * 63 1.1.1.2.2.2 bouyer * DESCRIPTION: Transfers the system into ACPI mode. 64 1.1.1.2.2.2 bouyer * 65 1.1.1.2.2.2 bouyer ******************************************************************************/ 66 1.1.1.2.2.2 bouyer 67 1.1.1.2.2.2 bouyer ACPI_STATUS 68 1.1.1.2.2.2 bouyer AcpiEnable ( 69 1.1.1.2.2.2 bouyer void) 70 1.1.1.2.2.2 bouyer { 71 1.1.1.2.2.2 bouyer ACPI_STATUS Status = AE_OK; 72 1.1.1.2.2.2 bouyer 73 1.1.1.2.2.2 bouyer 74 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE (AcpiEnable); 75 1.1.1.2.2.2 bouyer 76 1.1.1.2.2.2 bouyer 77 1.1.1.2.2.2 bouyer /* ACPI tables must be present */ 78 1.1.1.2.2.2 bouyer 79 1.1.1.2.2.2 bouyer if (!AcpiTbTablesLoaded ()) 80 1.1.1.2.2.2 bouyer { 81 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_NO_ACPI_TABLES); 82 1.1.1.2.2.2 bouyer } 83 1.1.1.2.2.2 bouyer 84 1.1.1.2.2.2 bouyer /* Check current mode */ 85 1.1.1.2.2.2 bouyer 86 1.1.1.2.2.2 bouyer if (AcpiHwGetMode() == ACPI_SYS_MODE_ACPI) 87 1.1.1.2.2.2 bouyer { 88 1.1.1.2.2.2 bouyer ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "System is already in ACPI mode\n")); 89 1.1.1.2.2.2 bouyer } 90 1.1.1.2.2.2 bouyer else 91 1.1.1.2.2.2 bouyer { 92 1.1.1.2.2.2 bouyer /* Transition to ACPI mode */ 93 1.1.1.2.2.2 bouyer 94 1.1.1.2.2.2 bouyer Status = AcpiHwSetMode (ACPI_SYS_MODE_ACPI); 95 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 96 1.1.1.2.2.2 bouyer { 97 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, "Could not transition to ACPI mode")); 98 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 99 1.1.1.2.2.2 bouyer } 100 1.1.1.2.2.2 bouyer 101 1.1.1.2.2.2 bouyer ACPI_DEBUG_PRINT ((ACPI_DB_INIT, 102 1.1.1.2.2.2 bouyer "Transition to ACPI mode successful\n")); 103 1.1.1.2.2.2 bouyer } 104 1.1.1.2.2.2 bouyer 105 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 106 1.1.1.2.2.2 bouyer } 107 1.1.1.2.2.2 bouyer 108 1.1.1.2.2.2 bouyer ACPI_EXPORT_SYMBOL (AcpiEnable) 109 1.1.1.2.2.2 bouyer 110 1.1.1.2.2.2 bouyer 111 1.1.1.2.2.2 bouyer /******************************************************************************* 112 1.1.1.2.2.2 bouyer * 113 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDisable 114 1.1.1.2.2.2 bouyer * 115 1.1.1.2.2.2 bouyer * PARAMETERS: None 116 1.1.1.2.2.2 bouyer * 117 1.1.1.2.2.2 bouyer * RETURN: Status 118 1.1.1.2.2.2 bouyer * 119 1.1.1.2.2.2 bouyer * DESCRIPTION: Transfers the system into LEGACY (non-ACPI) mode. 120 1.1.1.2.2.2 bouyer * 121 1.1.1.2.2.2 bouyer ******************************************************************************/ 122 1.1.1.2.2.2 bouyer 123 1.1.1.2.2.2 bouyer ACPI_STATUS 124 1.1.1.2.2.2 bouyer AcpiDisable ( 125 1.1.1.2.2.2 bouyer void) 126 1.1.1.2.2.2 bouyer { 127 1.1.1.2.2.2 bouyer ACPI_STATUS Status = AE_OK; 128 1.1.1.2.2.2 bouyer 129 1.1.1.2.2.2 bouyer 130 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE (AcpiDisable); 131 1.1.1.2.2.2 bouyer 132 1.1.1.2.2.2 bouyer 133 1.1.1.2.2.2 bouyer if (AcpiHwGetMode() == ACPI_SYS_MODE_LEGACY) 134 1.1.1.2.2.2 bouyer { 135 1.1.1.2.2.2 bouyer ACPI_DEBUG_PRINT ((ACPI_DB_INIT, 136 1.1.1.2.2.2 bouyer "System is already in legacy (non-ACPI) mode\n")); 137 1.1.1.2.2.2 bouyer } 138 1.1.1.2.2.2 bouyer else 139 1.1.1.2.2.2 bouyer { 140 1.1.1.2.2.2 bouyer /* Transition to LEGACY mode */ 141 1.1.1.2.2.2 bouyer 142 1.1.1.2.2.2 bouyer Status = AcpiHwSetMode (ACPI_SYS_MODE_LEGACY); 143 1.1.1.2.2.2 bouyer 144 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 145 1.1.1.2.2.2 bouyer { 146 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, 147 1.1.1.2.2.2 bouyer "Could not exit ACPI mode to legacy mode")); 148 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 149 1.1.1.2.2.2 bouyer } 150 1.1.1.2.2.2 bouyer 151 1.1.1.2.2.2 bouyer ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "ACPI mode disabled\n")); 152 1.1.1.2.2.2 bouyer } 153 1.1.1.2.2.2 bouyer 154 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 155 1.1.1.2.2.2 bouyer } 156 1.1.1.2.2.2 bouyer 157 1.1.1.2.2.2 bouyer ACPI_EXPORT_SYMBOL (AcpiDisable) 158 1.1.1.2.2.2 bouyer 159 1.1.1.2.2.2 bouyer 160 1.1.1.2.2.2 bouyer /******************************************************************************* 161 1.1.1.2.2.2 bouyer * 162 1.1.1.2.2.2 bouyer * FUNCTION: AcpiEnableEvent 163 1.1.1.2.2.2 bouyer * 164 1.1.1.2.2.2 bouyer * PARAMETERS: Event - The fixed eventto be enabled 165 1.1.1.2.2.2 bouyer * Flags - Reserved 166 1.1.1.2.2.2 bouyer * 167 1.1.1.2.2.2 bouyer * RETURN: Status 168 1.1.1.2.2.2 bouyer * 169 1.1.1.2.2.2 bouyer * DESCRIPTION: Enable an ACPI event (fixed) 170 1.1.1.2.2.2 bouyer * 171 1.1.1.2.2.2 bouyer ******************************************************************************/ 172 1.1.1.2.2.2 bouyer 173 1.1.1.2.2.2 bouyer ACPI_STATUS 174 1.1.1.2.2.2 bouyer AcpiEnableEvent ( 175 1.1.1.2.2.2 bouyer UINT32 Event, 176 1.1.1.2.2.2 bouyer UINT32 Flags) 177 1.1.1.2.2.2 bouyer { 178 1.1.1.2.2.2 bouyer ACPI_STATUS Status = AE_OK; 179 1.1.1.2.2.2 bouyer UINT32 Value; 180 1.1.1.2.2.2 bouyer 181 1.1.1.2.2.2 bouyer 182 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE (AcpiEnableEvent); 183 1.1.1.2.2.2 bouyer 184 1.1.1.2.2.2 bouyer 185 1.1.1.2.2.2 bouyer /* Decode the Fixed Event */ 186 1.1.1.2.2.2 bouyer 187 1.1.1.2.2.2 bouyer if (Event > ACPI_EVENT_MAX) 188 1.1.1.2.2.2 bouyer { 189 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_BAD_PARAMETER); 190 1.1.1.2.2.2 bouyer } 191 1.1.1.2.2.2 bouyer 192 1.1.1.2.2.2 bouyer /* 193 1.1.1.2.2.2 bouyer * Enable the requested fixed event (by writing a one to the enable 194 1.1.1.2.2.2 bouyer * register bit) 195 1.1.1.2.2.2 bouyer */ 196 1.1.1.2.2.2 bouyer Status = AcpiWriteBitRegister ( 197 1.1.1.2.2.2 bouyer AcpiGbl_FixedEventInfo[Event].EnableRegisterId, 198 1.1.1.2.2.2 bouyer ACPI_ENABLE_EVENT); 199 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 200 1.1.1.2.2.2 bouyer { 201 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 202 1.1.1.2.2.2 bouyer } 203 1.1.1.2.2.2 bouyer 204 1.1.1.2.2.2 bouyer /* Make sure that the hardware responded */ 205 1.1.1.2.2.2 bouyer 206 1.1.1.2.2.2 bouyer Status = AcpiReadBitRegister ( 207 1.1.1.2.2.2 bouyer AcpiGbl_FixedEventInfo[Event].EnableRegisterId, &Value); 208 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 209 1.1.1.2.2.2 bouyer { 210 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 211 1.1.1.2.2.2 bouyer } 212 1.1.1.2.2.2 bouyer 213 1.1.1.2.2.2 bouyer if (Value != 1) 214 1.1.1.2.2.2 bouyer { 215 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, 216 1.1.1.2.2.2 bouyer "Could not enable %s event", AcpiUtGetEventName (Event))); 217 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_NO_HARDWARE_RESPONSE); 218 1.1.1.2.2.2 bouyer } 219 1.1.1.2.2.2 bouyer 220 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 221 1.1.1.2.2.2 bouyer } 222 1.1.1.2.2.2 bouyer 223 1.1.1.2.2.2 bouyer ACPI_EXPORT_SYMBOL (AcpiEnableEvent) 224 1.1.1.2.2.2 bouyer 225 1.1.1.2.2.2 bouyer 226 1.1.1.2.2.2 bouyer /******************************************************************************* 227 1.1.1.2.2.2 bouyer * 228 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDisableEvent 229 1.1.1.2.2.2 bouyer * 230 1.1.1.2.2.2 bouyer * PARAMETERS: Event - The fixed event to be disabled 231 1.1.1.2.2.2 bouyer * Flags - Reserved 232 1.1.1.2.2.2 bouyer * 233 1.1.1.2.2.2 bouyer * RETURN: Status 234 1.1.1.2.2.2 bouyer * 235 1.1.1.2.2.2 bouyer * DESCRIPTION: Disable an ACPI event (fixed) 236 1.1.1.2.2.2 bouyer * 237 1.1.1.2.2.2 bouyer ******************************************************************************/ 238 1.1.1.2.2.2 bouyer 239 1.1.1.2.2.2 bouyer ACPI_STATUS 240 1.1.1.2.2.2 bouyer AcpiDisableEvent ( 241 1.1.1.2.2.2 bouyer UINT32 Event, 242 1.1.1.2.2.2 bouyer UINT32 Flags) 243 1.1.1.2.2.2 bouyer { 244 1.1.1.2.2.2 bouyer ACPI_STATUS Status = AE_OK; 245 1.1.1.2.2.2 bouyer UINT32 Value; 246 1.1.1.2.2.2 bouyer 247 1.1.1.2.2.2 bouyer 248 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE (AcpiDisableEvent); 249 1.1.1.2.2.2 bouyer 250 1.1.1.2.2.2 bouyer 251 1.1.1.2.2.2 bouyer /* Decode the Fixed Event */ 252 1.1.1.2.2.2 bouyer 253 1.1.1.2.2.2 bouyer if (Event > ACPI_EVENT_MAX) 254 1.1.1.2.2.2 bouyer { 255 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_BAD_PARAMETER); 256 1.1.1.2.2.2 bouyer } 257 1.1.1.2.2.2 bouyer 258 1.1.1.2.2.2 bouyer /* 259 1.1.1.2.2.2 bouyer * Disable the requested fixed event (by writing a zero to the enable 260 1.1.1.2.2.2 bouyer * register bit) 261 1.1.1.2.2.2 bouyer */ 262 1.1.1.2.2.2 bouyer Status = AcpiWriteBitRegister ( 263 1.1.1.2.2.2 bouyer AcpiGbl_FixedEventInfo[Event].EnableRegisterId, 264 1.1.1.2.2.2 bouyer ACPI_DISABLE_EVENT); 265 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 266 1.1.1.2.2.2 bouyer { 267 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 268 1.1.1.2.2.2 bouyer } 269 1.1.1.2.2.2 bouyer 270 1.1.1.2.2.2 bouyer Status = AcpiReadBitRegister ( 271 1.1.1.2.2.2 bouyer AcpiGbl_FixedEventInfo[Event].EnableRegisterId, &Value); 272 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 273 1.1.1.2.2.2 bouyer { 274 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 275 1.1.1.2.2.2 bouyer } 276 1.1.1.2.2.2 bouyer 277 1.1.1.2.2.2 bouyer if (Value != 0) 278 1.1.1.2.2.2 bouyer { 279 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, 280 1.1.1.2.2.2 bouyer "Could not disable %s events", AcpiUtGetEventName (Event))); 281 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_NO_HARDWARE_RESPONSE); 282 1.1.1.2.2.2 bouyer } 283 1.1.1.2.2.2 bouyer 284 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 285 1.1.1.2.2.2 bouyer } 286 1.1.1.2.2.2 bouyer 287 1.1.1.2.2.2 bouyer ACPI_EXPORT_SYMBOL (AcpiDisableEvent) 288 1.1.1.2.2.2 bouyer 289 1.1.1.2.2.2 bouyer 290 1.1.1.2.2.2 bouyer /******************************************************************************* 291 1.1.1.2.2.2 bouyer * 292 1.1.1.2.2.2 bouyer * FUNCTION: AcpiClearEvent 293 1.1.1.2.2.2 bouyer * 294 1.1.1.2.2.2 bouyer * PARAMETERS: Event - The fixed event to be cleared 295 1.1.1.2.2.2 bouyer * 296 1.1.1.2.2.2 bouyer * RETURN: Status 297 1.1.1.2.2.2 bouyer * 298 1.1.1.2.2.2 bouyer * DESCRIPTION: Clear an ACPI event (fixed) 299 1.1.1.2.2.2 bouyer * 300 1.1.1.2.2.2 bouyer ******************************************************************************/ 301 1.1.1.2.2.2 bouyer 302 1.1.1.2.2.2 bouyer ACPI_STATUS 303 1.1.1.2.2.2 bouyer AcpiClearEvent ( 304 1.1.1.2.2.2 bouyer UINT32 Event) 305 1.1.1.2.2.2 bouyer { 306 1.1.1.2.2.2 bouyer ACPI_STATUS Status = AE_OK; 307 1.1.1.2.2.2 bouyer 308 1.1.1.2.2.2 bouyer 309 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE (AcpiClearEvent); 310 1.1.1.2.2.2 bouyer 311 1.1.1.2.2.2 bouyer 312 1.1.1.2.2.2 bouyer /* Decode the Fixed Event */ 313 1.1.1.2.2.2 bouyer 314 1.1.1.2.2.2 bouyer if (Event > ACPI_EVENT_MAX) 315 1.1.1.2.2.2 bouyer { 316 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_BAD_PARAMETER); 317 1.1.1.2.2.2 bouyer } 318 1.1.1.2.2.2 bouyer 319 1.1.1.2.2.2 bouyer /* 320 1.1.1.2.2.2 bouyer * Clear the requested fixed event (By writing a one to the status 321 1.1.1.2.2.2 bouyer * register bit) 322 1.1.1.2.2.2 bouyer */ 323 1.1.1.2.2.2 bouyer Status = AcpiWriteBitRegister ( 324 1.1.1.2.2.2 bouyer AcpiGbl_FixedEventInfo[Event].StatusRegisterId, 325 1.1.1.2.2.2 bouyer ACPI_CLEAR_STATUS); 326 1.1.1.2.2.2 bouyer 327 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 328 1.1.1.2.2.2 bouyer } 329 1.1.1.2.2.2 bouyer 330 1.1.1.2.2.2 bouyer ACPI_EXPORT_SYMBOL (AcpiClearEvent) 331 1.1.1.2.2.2 bouyer 332 1.1.1.2.2.2 bouyer 333 1.1.1.2.2.2 bouyer /******************************************************************************* 334 1.1.1.2.2.2 bouyer * 335 1.1.1.2.2.2 bouyer * FUNCTION: AcpiGetEventStatus 336 1.1.1.2.2.2 bouyer * 337 1.1.1.2.2.2 bouyer * PARAMETERS: Event - The fixed event 338 1.1.1.2.2.2 bouyer * EventStatus - Where the current status of the event will 339 1.1.1.2.2.2 bouyer * be returned 340 1.1.1.2.2.2 bouyer * 341 1.1.1.2.2.2 bouyer * RETURN: Status 342 1.1.1.2.2.2 bouyer * 343 1.1.1.2.2.2 bouyer * DESCRIPTION: Obtains and returns the current status of the event 344 1.1.1.2.2.2 bouyer * 345 1.1.1.2.2.2 bouyer ******************************************************************************/ 346 1.1.1.2.2.2 bouyer 347 1.1.1.2.2.2 bouyer ACPI_STATUS 348 1.1.1.2.2.2 bouyer AcpiGetEventStatus ( 349 1.1.1.2.2.2 bouyer UINT32 Event, 350 1.1.1.2.2.2 bouyer ACPI_EVENT_STATUS *EventStatus) 351 1.1.1.2.2.2 bouyer { 352 1.1.1.2.2.2 bouyer ACPI_STATUS Status = AE_OK; 353 1.1.1.2.2.2 bouyer 354 1.1.1.2.2.2 bouyer 355 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE (AcpiGetEventStatus); 356 1.1.1.2.2.2 bouyer 357 1.1.1.2.2.2 bouyer 358 1.1.1.2.2.2 bouyer if (!EventStatus) 359 1.1.1.2.2.2 bouyer { 360 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_BAD_PARAMETER); 361 1.1.1.2.2.2 bouyer } 362 1.1.1.2.2.2 bouyer 363 1.1.1.2.2.2 bouyer /* Decode the Fixed Event */ 364 1.1.1.2.2.2 bouyer 365 1.1.1.2.2.2 bouyer if (Event > ACPI_EVENT_MAX) 366 1.1.1.2.2.2 bouyer { 367 1.1.1.2.2.2 bouyer return_ACPI_STATUS (AE_BAD_PARAMETER); 368 1.1.1.2.2.2 bouyer } 369 1.1.1.2.2.2 bouyer 370 1.1.1.2.2.2 bouyer /* Get the status of the requested fixed event */ 371 1.1.1.2.2.2 bouyer 372 1.1.1.2.2.2 bouyer Status = AcpiReadBitRegister ( 373 1.1.1.2.2.2 bouyer AcpiGbl_FixedEventInfo[Event].StatusRegisterId, EventStatus); 374 1.1.1.2.2.2 bouyer 375 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 376 1.1.1.2.2.2 bouyer } 377 1.1.1.2.2.2 bouyer 378 1.1.1.2.2.2 bouyer ACPI_EXPORT_SYMBOL (AcpiGetEventStatus) 379 1.1.1.2.2.2 bouyer 380 1.1.1.2.2.2 bouyer 381
Indexes created Thu Oct 30 03:10:01 GMT 2025