hwgpe.c revision 1.1.1.2.8.2
1 1.1.1.2.8.2 jruoho 2 1.1.1.2.8.2 jruoho /****************************************************************************** 3 1.1.1.2.8.2 jruoho * 4 1.1.1.2.8.2 jruoho * Module Name: hwgpe - Low level GPE enable/disable/clear functions 5 1.1.1.2.8.2 jruoho * 6 1.1.1.2.8.2 jruoho *****************************************************************************/ 7 1.1.1.2.8.2 jruoho 8 1.1.1.2.8.2 jruoho /* 9 1.1.1.2.8.2 jruoho * Copyright (C) 2000 - 2011, Intel Corp. 10 1.1.1.2.8.2 jruoho * All rights reserved. 11 1.1.1.2.8.2 jruoho * 12 1.1.1.2.8.2 jruoho * Redistribution and use in source and binary forms, with or without 13 1.1.1.2.8.2 jruoho * modification, are permitted provided that the following conditions 14 1.1.1.2.8.2 jruoho * are met: 15 1.1.1.2.8.2 jruoho * 1. Redistributions of source code must retain the above copyright 16 1.1.1.2.8.2 jruoho * notice, this list of conditions, and the following disclaimer, 17 1.1.1.2.8.2 jruoho * without modification. 18 1.1.1.2.8.2 jruoho * 2. Redistributions in binary form must reproduce at minimum a disclaimer 19 1.1.1.2.8.2 jruoho * substantially similar to the "NO WARRANTY" disclaimer below 20 1.1.1.2.8.2 jruoho * ("Disclaimer") and any redistribution must be conditioned upon 21 1.1.1.2.8.2 jruoho * including a substantially similar Disclaimer requirement for further 22 1.1.1.2.8.2 jruoho * binary redistribution. 23 1.1.1.2.8.2 jruoho * 3. Neither the names of the above-listed copyright holders nor the names 24 1.1.1.2.8.2 jruoho * of any contributors may be used to endorse or promote products derived 25 1.1.1.2.8.2 jruoho * from this software without specific prior written permission. 26 1.1.1.2.8.2 jruoho * 27 1.1.1.2.8.2 jruoho * Alternatively, this software may be distributed under the terms of the 28 1.1.1.2.8.2 jruoho * GNU General Public License ("GPL") version 2 as published by the Free 29 1.1.1.2.8.2 jruoho * Software Foundation. 30 1.1.1.2.8.2 jruoho * 31 1.1.1.2.8.2 jruoho * NO WARRANTY 32 1.1.1.2.8.2 jruoho * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 1.1.1.2.8.2 jruoho * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 1.1.1.2.8.2 jruoho * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 35 1.1.1.2.8.2 jruoho * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36 1.1.1.2.8.2 jruoho * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 1.1.1.2.8.2 jruoho * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 1.1.1.2.8.2 jruoho * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 1.1.1.2.8.2 jruoho * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 40 1.1.1.2.8.2 jruoho * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 41 1.1.1.2.8.2 jruoho * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 42 1.1.1.2.8.2 jruoho * POSSIBILITY OF SUCH DAMAGES. 43 1.1.1.2.8.2 jruoho */ 44 1.1.1.2.8.2 jruoho 45 1.1.1.2.8.2 jruoho #include "acpi.h" 46 1.1.1.2.8.2 jruoho #include "accommon.h" 47 1.1.1.2.8.2 jruoho #include "acevents.h" 48 1.1.1.2.8.2 jruoho 49 1.1.1.2.8.2 jruoho #define _COMPONENT ACPI_HARDWARE 50 1.1.1.2.8.2 jruoho ACPI_MODULE_NAME ("hwgpe") 51 1.1.1.2.8.2 jruoho 52 1.1.1.2.8.2 jruoho /* Local prototypes */ 53 1.1.1.2.8.2 jruoho 54 1.1.1.2.8.2 jruoho static ACPI_STATUS 55 1.1.1.2.8.2 jruoho AcpiHwEnableWakeupGpeBlock ( 56 1.1.1.2.8.2 jruoho ACPI_GPE_XRUPT_INFO *GpeXruptInfo, 57 1.1.1.2.8.2 jruoho ACPI_GPE_BLOCK_INFO *GpeBlock, 58 1.1.1.2.8.2 jruoho void *Context); 59 1.1.1.2.8.2 jruoho 60 1.1.1.2.8.2 jruoho 61 1.1.1.2.8.2 jruoho /****************************************************************************** 62 1.1.1.2.8.2 jruoho * 63 1.1.1.2.8.2 jruoho * FUNCTION: AcpiHwGetGpeRegisterBit 64 1.1.1.2.8.2 jruoho * 65 1.1.1.2.8.2 jruoho * PARAMETERS: GpeEventInfo - Info block for the GPE 66 1.1.1.2.8.2 jruoho * GpeRegisterInfo - Info block for the GPE register 67 1.1.1.2.8.2 jruoho * 68 1.1.1.2.8.2 jruoho * RETURN: Register mask with a one in the GPE bit position 69 1.1.1.2.8.2 jruoho * 70 1.1.1.2.8.2 jruoho * DESCRIPTION: Compute the register mask for this GPE. One bit is set in the 71 1.1.1.2.8.2 jruoho * correct position for the input GPE. 72 1.1.1.2.8.2 jruoho * 73 1.1.1.2.8.2 jruoho ******************************************************************************/ 74 1.1.1.2.8.2 jruoho 75 1.1.1.2.8.2 jruoho UINT32 76 1.1.1.2.8.2 jruoho AcpiHwGetGpeRegisterBit ( 77 1.1.1.2.8.2 jruoho ACPI_GPE_EVENT_INFO *GpeEventInfo, 78 1.1.1.2.8.2 jruoho ACPI_GPE_REGISTER_INFO *GpeRegisterInfo) 79 1.1.1.2.8.2 jruoho { 80 1.1.1.2.8.2 jruoho 81 1.1.1.2.8.2 jruoho return ((UINT32) 1 << 82 1.1.1.2.8.2 jruoho (GpeEventInfo->GpeNumber - GpeRegisterInfo->BaseGpeNumber)); 83 1.1.1.2.8.2 jruoho } 84 1.1.1.2.8.2 jruoho 85 1.1.1.2.8.2 jruoho 86 1.1.1.2.8.2 jruoho /****************************************************************************** 87 1.1.1.2.8.2 jruoho * 88 1.1.1.2.8.2 jruoho * FUNCTION: AcpiHwLowSetGpe 89 1.1.1.2.8.2 jruoho * 90 1.1.1.2.8.2 jruoho * PARAMETERS: GpeEventInfo - Info block for the GPE to be disabled 91 1.1.1.2.8.2 jruoho * Action - Enable or disable 92 1.1.1.2.8.2 jruoho * 93 1.1.1.2.8.2 jruoho * RETURN: Status 94 1.1.1.2.8.2 jruoho * 95 1.1.1.2.8.2 jruoho * DESCRIPTION: Enable or disable a single GPE in the parent enable register. 96 1.1.1.2.8.2 jruoho * 97 1.1.1.2.8.2 jruoho ******************************************************************************/ 98 1.1.1.2.8.2 jruoho 99 1.1.1.2.8.2 jruoho ACPI_STATUS 100 1.1.1.2.8.2 jruoho AcpiHwLowSetGpe ( 101 1.1.1.2.8.2 jruoho ACPI_GPE_EVENT_INFO *GpeEventInfo, 102 1.1.1.2.8.2 jruoho UINT32 Action) 103 1.1.1.2.8.2 jruoho { 104 1.1.1.2.8.2 jruoho ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; 105 1.1.1.2.8.2 jruoho ACPI_STATUS Status; 106 1.1.1.2.8.2 jruoho UINT32 EnableMask; 107 1.1.1.2.8.2 jruoho UINT32 RegisterBit; 108 1.1.1.2.8.2 jruoho 109 1.1.1.2.8.2 jruoho 110 1.1.1.2.8.2 jruoho ACPI_FUNCTION_ENTRY (); 111 1.1.1.2.8.2 jruoho 112 1.1.1.2.8.2 jruoho 113 1.1.1.2.8.2 jruoho /* Get the info block for the entire GPE register */ 114 1.1.1.2.8.2 jruoho 115 1.1.1.2.8.2 jruoho GpeRegisterInfo = GpeEventInfo->RegisterInfo; 116 1.1.1.2.8.2 jruoho if (!GpeRegisterInfo) 117 1.1.1.2.8.2 jruoho { 118 1.1.1.2.8.2 jruoho return (AE_NOT_EXIST); 119 1.1.1.2.8.2 jruoho } 120 1.1.1.2.8.2 jruoho 121 1.1.1.2.8.2 jruoho /* Get current value of the enable register that contains this GPE */ 122 1.1.1.2.8.2 jruoho 123 1.1.1.2.8.2 jruoho Status = AcpiHwRead (&EnableMask, &GpeRegisterInfo->EnableAddress); 124 1.1.1.2.8.2 jruoho if (ACPI_FAILURE (Status)) 125 1.1.1.2.8.2 jruoho { 126 1.1.1.2.8.2 jruoho return (Status); 127 1.1.1.2.8.2 jruoho } 128 1.1.1.2.8.2 jruoho 129 1.1.1.2.8.2 jruoho /* Set or clear just the bit that corresponds to this GPE */ 130 1.1.1.2.8.2 jruoho 131 1.1.1.2.8.2 jruoho RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo, GpeRegisterInfo); 132 1.1.1.2.8.2 jruoho switch (Action) 133 1.1.1.2.8.2 jruoho { 134 1.1.1.2.8.2 jruoho case ACPI_GPE_CONDITIONAL_ENABLE: 135 1.1.1.2.8.2 jruoho 136 1.1.1.2.8.2 jruoho /* Only enable if the EnableForRun bit is set */ 137 1.1.1.2.8.2 jruoho 138 1.1.1.2.8.2 jruoho if (!(RegisterBit & GpeRegisterInfo->EnableForRun)) 139 1.1.1.2.8.2 jruoho { 140 1.1.1.2.8.2 jruoho return (AE_BAD_PARAMETER); 141 1.1.1.2.8.2 jruoho } 142 1.1.1.2.8.2 jruoho 143 1.1.1.2.8.2 jruoho /*lint -fallthrough */ 144 1.1.1.2.8.2 jruoho 145 1.1.1.2.8.2 jruoho case ACPI_GPE_ENABLE: 146 1.1.1.2.8.2 jruoho ACPI_SET_BIT (EnableMask, RegisterBit); 147 1.1.1.2.8.2 jruoho break; 148 1.1.1.2.8.2 jruoho 149 1.1.1.2.8.2 jruoho case ACPI_GPE_DISABLE: 150 1.1.1.2.8.2 jruoho ACPI_CLEAR_BIT (EnableMask, RegisterBit); 151 1.1.1.2.8.2 jruoho break; 152 1.1.1.2.8.2 jruoho 153 1.1.1.2.8.2 jruoho default: 154 1.1.1.2.8.2 jruoho ACPI_ERROR ((AE_INFO, "Invalid GPE Action, %u\n", Action)); 155 1.1.1.2.8.2 jruoho return (AE_BAD_PARAMETER); 156 1.1.1.2.8.2 jruoho } 157 1.1.1.2.8.2 jruoho 158 1.1.1.2.8.2 jruoho /* Write the updated enable mask */ 159 1.1.1.2.8.2 jruoho 160 1.1.1.2.8.2 jruoho Status = AcpiHwWrite (EnableMask, &GpeRegisterInfo->EnableAddress); 161 1.1.1.2.8.2 jruoho return (Status); 162 1.1.1.2.8.2 jruoho } 163 1.1.1.2.8.2 jruoho 164 1.1.1.2.8.2 jruoho 165 1.1.1.2.8.2 jruoho /****************************************************************************** 166 1.1.1.2.8.2 jruoho * 167 1.1.1.2.8.2 jruoho * FUNCTION: AcpiHwClearGpe 168 1.1.1.2.8.2 jruoho * 169 1.1.1.2.8.2 jruoho * PARAMETERS: GpeEventInfo - Info block for the GPE to be cleared 170 1.1.1.2.8.2 jruoho * 171 1.1.1.2.8.2 jruoho * RETURN: Status 172 1.1.1.2.8.2 jruoho * 173 1.1.1.2.8.2 jruoho * DESCRIPTION: Clear the status bit for a single GPE. 174 1.1.1.2.8.2 jruoho * 175 1.1.1.2.8.2 jruoho ******************************************************************************/ 176 1.1.1.2.8.2 jruoho 177 1.1.1.2.8.2 jruoho ACPI_STATUS 178 1.1.1.2.8.2 jruoho AcpiHwClearGpe ( 179 1.1.1.2.8.2 jruoho ACPI_GPE_EVENT_INFO *GpeEventInfo) 180 1.1.1.2.8.2 jruoho { 181 1.1.1.2.8.2 jruoho ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; 182 1.1.1.2.8.2 jruoho ACPI_STATUS Status; 183 1.1.1.2.8.2 jruoho UINT32 RegisterBit; 184 1.1.1.2.8.2 jruoho 185 1.1.1.2.8.2 jruoho 186 1.1.1.2.8.2 jruoho ACPI_FUNCTION_ENTRY (); 187 1.1.1.2.8.2 jruoho 188 1.1.1.2.8.2 jruoho /* Get the info block for the entire GPE register */ 189 1.1.1.2.8.2 jruoho 190 1.1.1.2.8.2 jruoho GpeRegisterInfo = GpeEventInfo->RegisterInfo; 191 1.1.1.2.8.2 jruoho if (!GpeRegisterInfo) 192 1.1.1.2.8.2 jruoho { 193 1.1.1.2.8.2 jruoho return (AE_NOT_EXIST); 194 1.1.1.2.8.2 jruoho } 195 1.1.1.2.8.2 jruoho 196 1.1.1.2.8.2 jruoho /* 197 1.1.1.2.8.2 jruoho * Write a one to the appropriate bit in the status register to 198 1.1.1.2.8.2 jruoho * clear this GPE. 199 1.1.1.2.8.2 jruoho */ 200 1.1.1.2.8.2 jruoho RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo, GpeRegisterInfo); 201 1.1.1.2.8.2 jruoho 202 1.1.1.2.8.2 jruoho Status = AcpiHwWrite (RegisterBit, 203 1.1.1.2.8.2 jruoho &GpeRegisterInfo->StatusAddress); 204 1.1.1.2.8.2 jruoho 205 1.1.1.2.8.2 jruoho return (Status); 206 1.1.1.2.8.2 jruoho } 207 1.1.1.2.8.2 jruoho 208 1.1.1.2.8.2 jruoho 209 1.1.1.2.8.2 jruoho /****************************************************************************** 210 1.1.1.2.8.2 jruoho * 211 1.1.1.2.8.2 jruoho * FUNCTION: AcpiHwGetGpeStatus 212 1.1.1.2.8.2 jruoho * 213 1.1.1.2.8.2 jruoho * PARAMETERS: GpeEventInfo - Info block for the GPE to queried 214 1.1.1.2.8.2 jruoho * EventStatus - Where the GPE status is returned 215 1.1.1.2.8.2 jruoho * 216 1.1.1.2.8.2 jruoho * RETURN: Status 217 1.1.1.2.8.2 jruoho * 218 1.1.1.2.8.2 jruoho * DESCRIPTION: Return the status of a single GPE. 219 1.1.1.2.8.2 jruoho * 220 1.1.1.2.8.2 jruoho ******************************************************************************/ 221 1.1.1.2.8.2 jruoho 222 1.1.1.2.8.2 jruoho ACPI_STATUS 223 1.1.1.2.8.2 jruoho AcpiHwGetGpeStatus ( 224 1.1.1.2.8.2 jruoho ACPI_GPE_EVENT_INFO *GpeEventInfo, 225 1.1.1.2.8.2 jruoho ACPI_EVENT_STATUS *EventStatus) 226 1.1.1.2.8.2 jruoho { 227 1.1.1.2.8.2 jruoho UINT32 InByte; 228 1.1.1.2.8.2 jruoho UINT32 RegisterBit; 229 1.1.1.2.8.2 jruoho ACPI_GPE_REGISTER_INFO *GpeRegisterInfo; 230 1.1.1.2.8.2 jruoho ACPI_EVENT_STATUS LocalEventStatus = 0; 231 1.1.1.2.8.2 jruoho ACPI_STATUS Status; 232 1.1.1.2.8.2 jruoho 233 1.1.1.2.8.2 jruoho 234 1.1.1.2.8.2 jruoho ACPI_FUNCTION_ENTRY (); 235 1.1.1.2.8.2 jruoho 236 1.1.1.2.8.2 jruoho 237 1.1.1.2.8.2 jruoho if (!EventStatus) 238 1.1.1.2.8.2 jruoho { 239 1.1.1.2.8.2 jruoho return (AE_BAD_PARAMETER); 240 1.1.1.2.8.2 jruoho } 241 1.1.1.2.8.2 jruoho 242 1.1.1.2.8.2 jruoho /* Get the info block for the entire GPE register */ 243 1.1.1.2.8.2 jruoho 244 1.1.1.2.8.2 jruoho GpeRegisterInfo = GpeEventInfo->RegisterInfo; 245 1.1.1.2.8.2 jruoho 246 1.1.1.2.8.2 jruoho /* Get the register bitmask for this GPE */ 247 1.1.1.2.8.2 jruoho 248 1.1.1.2.8.2 jruoho RegisterBit = AcpiHwGetGpeRegisterBit (GpeEventInfo, GpeRegisterInfo); 249 1.1.1.2.8.2 jruoho 250 1.1.1.2.8.2 jruoho /* GPE currently enabled? (enabled for runtime?) */ 251 1.1.1.2.8.2 jruoho 252 1.1.1.2.8.2 jruoho if (RegisterBit & GpeRegisterInfo->EnableForRun) 253 1.1.1.2.8.2 jruoho { 254 1.1.1.2.8.2 jruoho LocalEventStatus |= ACPI_EVENT_FLAG_ENABLED; 255 1.1.1.2.8.2 jruoho } 256 1.1.1.2.8.2 jruoho 257 1.1.1.2.8.2 jruoho /* GPE enabled for wake? */ 258 1.1.1.2.8.2 jruoho 259 1.1.1.2.8.2 jruoho if (RegisterBit & GpeRegisterInfo->EnableForWake) 260 1.1.1.2.8.2 jruoho { 261 1.1.1.2.8.2 jruoho LocalEventStatus |= ACPI_EVENT_FLAG_WAKE_ENABLED; 262 1.1.1.2.8.2 jruoho } 263 1.1.1.2.8.2 jruoho 264 1.1.1.2.8.2 jruoho /* GPE currently active (status bit == 1)? */ 265 1.1.1.2.8.2 jruoho 266 1.1.1.2.8.2 jruoho Status = AcpiHwRead (&InByte, &GpeRegisterInfo->StatusAddress); 267 1.1.1.2.8.2 jruoho if (ACPI_FAILURE (Status)) 268 1.1.1.2.8.2 jruoho { 269 1.1.1.2.8.2 jruoho return (Status); 270 1.1.1.2.8.2 jruoho } 271 1.1.1.2.8.2 jruoho 272 1.1.1.2.8.2 jruoho if (RegisterBit & InByte) 273 1.1.1.2.8.2 jruoho { 274 1.1.1.2.8.2 jruoho LocalEventStatus |= ACPI_EVENT_FLAG_SET; 275 1.1.1.2.8.2 jruoho } 276 1.1.1.2.8.2 jruoho 277 1.1.1.2.8.2 jruoho /* Set return value */ 278 1.1.1.2.8.2 jruoho 279 1.1.1.2.8.2 jruoho (*EventStatus) = LocalEventStatus; 280 1.1.1.2.8.2 jruoho return (AE_OK); 281 1.1.1.2.8.2 jruoho } 282 1.1.1.2.8.2 jruoho 283 1.1.1.2.8.2 jruoho 284 1.1.1.2.8.2 jruoho /****************************************************************************** 285 1.1.1.2.8.2 jruoho * 286 1.1.1.2.8.2 jruoho * FUNCTION: AcpiHwDisableGpeBlock 287 1.1.1.2.8.2 jruoho * 288 1.1.1.2.8.2 jruoho * PARAMETERS: GpeXruptInfo - GPE Interrupt info 289 1.1.1.2.8.2 jruoho * GpeBlock - Gpe Block info 290 1.1.1.2.8.2 jruoho * 291 1.1.1.2.8.2 jruoho * RETURN: Status 292 1.1.1.2.8.2 jruoho * 293 1.1.1.2.8.2 jruoho * DESCRIPTION: Disable all GPEs within a single GPE block 294 1.1.1.2.8.2 jruoho * 295 1.1.1.2.8.2 jruoho ******************************************************************************/ 296 1.1.1.2.8.2 jruoho 297 1.1.1.2.8.2 jruoho ACPI_STATUS 298 1.1.1.2.8.2 jruoho AcpiHwDisableGpeBlock ( 299 1.1.1.2.8.2 jruoho ACPI_GPE_XRUPT_INFO *GpeXruptInfo, 300 1.1.1.2.8.2 jruoho ACPI_GPE_BLOCK_INFO *GpeBlock, 301 1.1.1.2.8.2 jruoho void *Context) 302 1.1.1.2.8.2 jruoho { 303 1.1.1.2.8.2 jruoho UINT32 i; 304 1.1.1.2.8.2 jruoho ACPI_STATUS Status; 305 1.1.1.2.8.2 jruoho 306 1.1.1.2.8.2 jruoho 307 1.1.1.2.8.2 jruoho /* Examine each GPE Register within the block */ 308 1.1.1.2.8.2 jruoho 309 1.1.1.2.8.2 jruoho for (i = 0; i < GpeBlock->RegisterCount; i++) 310 1.1.1.2.8.2 jruoho { 311 1.1.1.2.8.2 jruoho /* Disable all GPEs in this register */ 312 1.1.1.2.8.2 jruoho 313 1.1.1.2.8.2 jruoho Status = AcpiHwWrite (0x00, &GpeBlock->RegisterInfo[i].EnableAddress); 314 1.1.1.2.8.2 jruoho if (ACPI_FAILURE (Status)) 315 1.1.1.2.8.2 jruoho { 316 1.1.1.2.8.2 jruoho return (Status); 317 1.1.1.2.8.2 jruoho } 318 1.1.1.2.8.2 jruoho } 319 1.1.1.2.8.2 jruoho 320 1.1.1.2.8.2 jruoho return (AE_OK); 321 1.1.1.2.8.2 jruoho } 322 1.1.1.2.8.2 jruoho 323 1.1.1.2.8.2 jruoho 324 1.1.1.2.8.2 jruoho /****************************************************************************** 325 1.1.1.2.8.2 jruoho * 326 1.1.1.2.8.2 jruoho * FUNCTION: AcpiHwClearGpeBlock 327 1.1.1.2.8.2 jruoho * 328 1.1.1.2.8.2 jruoho * PARAMETERS: GpeXruptInfo - GPE Interrupt info 329 1.1.1.2.8.2 jruoho * GpeBlock - Gpe Block info 330 1.1.1.2.8.2 jruoho * 331 1.1.1.2.8.2 jruoho * RETURN: Status 332 1.1.1.2.8.2 jruoho * 333 1.1.1.2.8.2 jruoho * DESCRIPTION: Clear status bits for all GPEs within a single GPE block 334 1.1.1.2.8.2 jruoho * 335 1.1.1.2.8.2 jruoho ******************************************************************************/ 336 1.1.1.2.8.2 jruoho 337 1.1.1.2.8.2 jruoho ACPI_STATUS 338 1.1.1.2.8.2 jruoho AcpiHwClearGpeBlock ( 339 1.1.1.2.8.2 jruoho ACPI_GPE_XRUPT_INFO *GpeXruptInfo, 340 1.1.1.2.8.2 jruoho ACPI_GPE_BLOCK_INFO *GpeBlock, 341 1.1.1.2.8.2 jruoho void *Context) 342 1.1.1.2.8.2 jruoho { 343 1.1.1.2.8.2 jruoho UINT32 i; 344 1.1.1.2.8.2 jruoho ACPI_STATUS Status; 345 1.1.1.2.8.2 jruoho 346 1.1.1.2.8.2 jruoho 347 1.1.1.2.8.2 jruoho /* Examine each GPE Register within the block */ 348 1.1.1.2.8.2 jruoho 349 1.1.1.2.8.2 jruoho for (i = 0; i < GpeBlock->RegisterCount; i++) 350 1.1.1.2.8.2 jruoho { 351 1.1.1.2.8.2 jruoho /* Clear status on all GPEs in this register */ 352 1.1.1.2.8.2 jruoho 353 1.1.1.2.8.2 jruoho Status = AcpiHwWrite (0xFF, &GpeBlock->RegisterInfo[i].StatusAddress); 354 1.1.1.2.8.2 jruoho if (ACPI_FAILURE (Status)) 355 1.1.1.2.8.2 jruoho { 356 1.1.1.2.8.2 jruoho return (Status); 357 1.1.1.2.8.2 jruoho } 358 1.1.1.2.8.2 jruoho } 359 1.1.1.2.8.2 jruoho 360 1.1.1.2.8.2 jruoho return (AE_OK); 361 1.1.1.2.8.2 jruoho } 362 1.1.1.2.8.2 jruoho 363 1.1.1.2.8.2 jruoho 364 1.1.1.2.8.2 jruoho /****************************************************************************** 365 1.1.1.2.8.2 jruoho * 366 1.1.1.2.8.2 jruoho * FUNCTION: AcpiHwEnableRuntimeGpeBlock 367 1.1.1.2.8.2 jruoho * 368 1.1.1.2.8.2 jruoho * PARAMETERS: GpeXruptInfo - GPE Interrupt info 369 1.1.1.2.8.2 jruoho * GpeBlock - Gpe Block info 370 1.1.1.2.8.2 jruoho * 371 1.1.1.2.8.2 jruoho * RETURN: Status 372 1.1.1.2.8.2 jruoho * 373 1.1.1.2.8.2 jruoho * DESCRIPTION: Enable all "runtime" GPEs within a single GPE block. Includes 374 1.1.1.2.8.2 jruoho * combination wake/run GPEs. 375 1.1.1.2.8.2 jruoho * 376 1.1.1.2.8.2 jruoho ******************************************************************************/ 377 1.1.1.2.8.2 jruoho 378 1.1.1.2.8.2 jruoho ACPI_STATUS 379 1.1.1.2.8.2 jruoho AcpiHwEnableRuntimeGpeBlock ( 380 1.1.1.2.8.2 jruoho ACPI_GPE_XRUPT_INFO *GpeXruptInfo, 381 1.1.1.2.8.2 jruoho ACPI_GPE_BLOCK_INFO *GpeBlock, 382 1.1.1.2.8.2 jruoho void *Context) 383 1.1.1.2.8.2 jruoho { 384 1.1.1.2.8.2 jruoho UINT32 i; 385 1.1.1.2.8.2 jruoho ACPI_STATUS Status; 386 1.1.1.2.8.2 jruoho 387 1.1.1.2.8.2 jruoho 388 1.1.1.2.8.2 jruoho /* NOTE: assumes that all GPEs are currently disabled */ 389 1.1.1.2.8.2 jruoho 390 1.1.1.2.8.2 jruoho /* Examine each GPE Register within the block */ 391 1.1.1.2.8.2 jruoho 392 1.1.1.2.8.2 jruoho for (i = 0; i < GpeBlock->RegisterCount; i++) 393 1.1.1.2.8.2 jruoho { 394 1.1.1.2.8.2 jruoho if (!GpeBlock->RegisterInfo[i].EnableForRun) 395 1.1.1.2.8.2 jruoho { 396 1.1.1.2.8.2 jruoho continue; 397 1.1.1.2.8.2 jruoho } 398 1.1.1.2.8.2 jruoho 399 1.1.1.2.8.2 jruoho /* Enable all "runtime" GPEs in this register */ 400 1.1.1.2.8.2 jruoho 401 1.1.1.2.8.2 jruoho Status = AcpiHwWrite (GpeBlock->RegisterInfo[i].EnableForRun, 402 1.1.1.2.8.2 jruoho &GpeBlock->RegisterInfo[i].EnableAddress); 403 1.1.1.2.8.2 jruoho if (ACPI_FAILURE (Status)) 404 1.1.1.2.8.2 jruoho { 405 1.1.1.2.8.2 jruoho return (Status); 406 1.1.1.2.8.2 jruoho } 407 1.1.1.2.8.2 jruoho } 408 1.1.1.2.8.2 jruoho 409 1.1.1.2.8.2 jruoho return (AE_OK); 410 1.1.1.2.8.2 jruoho } 411 1.1.1.2.8.2 jruoho 412 1.1.1.2.8.2 jruoho 413 1.1.1.2.8.2 jruoho /****************************************************************************** 414 1.1.1.2.8.2 jruoho * 415 1.1.1.2.8.2 jruoho * FUNCTION: AcpiHwEnableWakeupGpeBlock 416 1.1.1.2.8.2 jruoho * 417 1.1.1.2.8.2 jruoho * PARAMETERS: GpeXruptInfo - GPE Interrupt info 418 1.1.1.2.8.2 jruoho * GpeBlock - Gpe Block info 419 1.1.1.2.8.2 jruoho * 420 1.1.1.2.8.2 jruoho * RETURN: Status 421 1.1.1.2.8.2 jruoho * 422 1.1.1.2.8.2 jruoho * DESCRIPTION: Enable all "wake" GPEs within a single GPE block. Includes 423 1.1.1.2.8.2 jruoho * combination wake/run GPEs. 424 1.1.1.2.8.2 jruoho * 425 1.1.1.2.8.2 jruoho ******************************************************************************/ 426 1.1.1.2.8.2 jruoho 427 1.1.1.2.8.2 jruoho static ACPI_STATUS 428 1.1.1.2.8.2 jruoho AcpiHwEnableWakeupGpeBlock ( 429 1.1.1.2.8.2 jruoho ACPI_GPE_XRUPT_INFO *GpeXruptInfo, 430 1.1.1.2.8.2 jruoho ACPI_GPE_BLOCK_INFO *GpeBlock, 431 1.1.1.2.8.2 jruoho void *Context) 432 1.1.1.2.8.2 jruoho { 433 1.1.1.2.8.2 jruoho UINT32 i; 434 1.1.1.2.8.2 jruoho ACPI_STATUS Status; 435 1.1.1.2.8.2 jruoho 436 1.1.1.2.8.2 jruoho 437 1.1.1.2.8.2 jruoho /* Examine each GPE Register within the block */ 438 1.1.1.2.8.2 jruoho 439 1.1.1.2.8.2 jruoho for (i = 0; i < GpeBlock->RegisterCount; i++) 440 1.1.1.2.8.2 jruoho { 441 1.1.1.2.8.2 jruoho if (!GpeBlock->RegisterInfo[i].EnableForWake) 442 1.1.1.2.8.2 jruoho { 443 1.1.1.2.8.2 jruoho continue; 444 1.1.1.2.8.2 jruoho } 445 1.1.1.2.8.2 jruoho 446 1.1.1.2.8.2 jruoho /* Enable all "wake" GPEs in this register */ 447 1.1.1.2.8.2 jruoho 448 1.1.1.2.8.2 jruoho Status = AcpiHwWrite (GpeBlock->RegisterInfo[i].EnableForWake, 449 1.1.1.2.8.2 jruoho &GpeBlock->RegisterInfo[i].EnableAddress); 450 1.1.1.2.8.2 jruoho if (ACPI_FAILURE (Status)) 451 1.1.1.2.8.2 jruoho { 452 1.1.1.2.8.2 jruoho return (Status); 453 1.1.1.2.8.2 jruoho } 454 1.1.1.2.8.2 jruoho } 455 1.1.1.2.8.2 jruoho 456 1.1.1.2.8.2 jruoho return (AE_OK); 457 1.1.1.2.8.2 jruoho } 458 1.1.1.2.8.2 jruoho 459 1.1.1.2.8.2 jruoho 460 1.1.1.2.8.2 jruoho /****************************************************************************** 461 1.1.1.2.8.2 jruoho * 462 1.1.1.2.8.2 jruoho * FUNCTION: AcpiHwDisableAllGpes 463 1.1.1.2.8.2 jruoho * 464 1.1.1.2.8.2 jruoho * PARAMETERS: None 465 1.1.1.2.8.2 jruoho * 466 1.1.1.2.8.2 jruoho * RETURN: Status 467 1.1.1.2.8.2 jruoho * 468 1.1.1.2.8.2 jruoho * DESCRIPTION: Disable and clear all GPEs in all GPE blocks 469 1.1.1.2.8.2 jruoho * 470 1.1.1.2.8.2 jruoho ******************************************************************************/ 471 1.1.1.2.8.2 jruoho 472 1.1.1.2.8.2 jruoho ACPI_STATUS 473 1.1.1.2.8.2 jruoho AcpiHwDisableAllGpes ( 474 1.1.1.2.8.2 jruoho void) 475 1.1.1.2.8.2 jruoho { 476 1.1.1.2.8.2 jruoho ACPI_STATUS Status; 477 1.1.1.2.8.2 jruoho 478 1.1.1.2.8.2 jruoho 479 1.1.1.2.8.2 jruoho ACPI_FUNCTION_TRACE (HwDisableAllGpes); 480 1.1.1.2.8.2 jruoho 481 1.1.1.2.8.2 jruoho 482 1.1.1.2.8.2 jruoho Status = AcpiEvWalkGpeList (AcpiHwDisableGpeBlock, NULL); 483 1.1.1.2.8.2 jruoho Status = AcpiEvWalkGpeList (AcpiHwClearGpeBlock, NULL); 484 1.1.1.2.8.2 jruoho return_ACPI_STATUS (Status); 485 1.1.1.2.8.2 jruoho } 486 1.1.1.2.8.2 jruoho 487 1.1.1.2.8.2 jruoho 488 1.1.1.2.8.2 jruoho /****************************************************************************** 489 1.1.1.2.8.2 jruoho * 490 1.1.1.2.8.2 jruoho * FUNCTION: AcpiHwEnableAllRuntimeGpes 491 1.1.1.2.8.2 jruoho * 492 1.1.1.2.8.2 jruoho * PARAMETERS: None 493 1.1.1.2.8.2 jruoho * 494 1.1.1.2.8.2 jruoho * RETURN: Status 495 1.1.1.2.8.2 jruoho * 496 1.1.1.2.8.2 jruoho * DESCRIPTION: Enable all "runtime" GPEs, in all GPE blocks 497 1.1.1.2.8.2 jruoho * 498 1.1.1.2.8.2 jruoho ******************************************************************************/ 499 1.1.1.2.8.2 jruoho 500 1.1.1.2.8.2 jruoho ACPI_STATUS 501 1.1.1.2.8.2 jruoho AcpiHwEnableAllRuntimeGpes ( 502 1.1.1.2.8.2 jruoho void) 503 1.1.1.2.8.2 jruoho { 504 1.1.1.2.8.2 jruoho ACPI_STATUS Status; 505 1.1.1.2.8.2 jruoho 506 1.1.1.2.8.2 jruoho 507 1.1.1.2.8.2 jruoho ACPI_FUNCTION_TRACE (HwEnableAllRuntimeGpes); 508 1.1.1.2.8.2 jruoho 509 1.1.1.2.8.2 jruoho 510 1.1.1.2.8.2 jruoho Status = AcpiEvWalkGpeList (AcpiHwEnableRuntimeGpeBlock, NULL); 511 1.1.1.2.8.2 jruoho return_ACPI_STATUS (Status); 512 1.1.1.2.8.2 jruoho } 513 1.1.1.2.8.2 jruoho 514 1.1.1.2.8.2 jruoho 515 1.1.1.2.8.2 jruoho /****************************************************************************** 516 1.1.1.2.8.2 jruoho * 517 1.1.1.2.8.2 jruoho * FUNCTION: AcpiHwEnableAllWakeupGpes 518 1.1.1.2.8.2 jruoho * 519 1.1.1.2.8.2 jruoho * PARAMETERS: None 520 1.1.1.2.8.2 jruoho * 521 1.1.1.2.8.2 jruoho * RETURN: Status 522 1.1.1.2.8.2 jruoho * 523 1.1.1.2.8.2 jruoho * DESCRIPTION: Enable all "wakeup" GPEs, in all GPE blocks 524 1.1.1.2.8.2 jruoho * 525 1.1.1.2.8.2 jruoho ******************************************************************************/ 526 1.1.1.2.8.2 jruoho 527 1.1.1.2.8.2 jruoho ACPI_STATUS 528 1.1.1.2.8.2 jruoho AcpiHwEnableAllWakeupGpes ( 529 1.1.1.2.8.2 jruoho void) 530 1.1.1.2.8.2 jruoho { 531 1.1.1.2.8.2 jruoho ACPI_STATUS Status; 532 1.1.1.2.8.2 jruoho 533 1.1.1.2.8.2 jruoho 534 1.1.1.2.8.2 jruoho ACPI_FUNCTION_TRACE (HwEnableAllWakeupGpes); 535 1.1.1.2.8.2 jruoho 536 1.1.1.2.8.2 jruoho 537 1.1.1.2.8.2 jruoho Status = AcpiEvWalkGpeList (AcpiHwEnableWakeupGpeBlock, NULL); 538 1.1.1.2.8.2 jruoho return_ACPI_STATUS (Status); 539 1.1.1.2.8.2 jruoho } 540 1.1.1.2.8.2 jruoho 541
Indexes created Thu Oct 02 14:10:14 GMT 2025