6 * 7 *****************************************************************************/ 8 9/****************************************************************************** 10 * 11 * 1. Copyright Notice 12 * 13 * Some or all of this work - Copyright (c) 1999, Intel Corp. All rights 14 * reserved. 15 * 16 * 2. License 17 * 18 * 2.1. This is your license from Intel Corp. under its intellectual property 19 * rights. You may have additional license terms from the party that provided 20 * you this software, covering your right to use that party's intellectual 21 * property rights. 22 * 23 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 24 * copy of the source code appearing in this file ("Covered Code") an 25 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 26 * base code distributed originally by Intel ("Original Intel Code") to copy, 27 * make derivatives, distribute, use and display any portion of the Covered 28 * Code in any form, with the right to sublicense such rights; and 29 * 30 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 31 * license (with the right to sublicense), under only those claims of Intel 32 * patents that are infringed by the Original Intel Code, to make, use, sell, 33 * offer to sell, and import the Covered Code and derivative works thereof 34 * solely to the minimum extent necessary to exercise the above copyright 35 * license, and in no event shall the patent license extend to any additions 36 * to or modifications of the Original Intel Code. No other license or right 37 * is granted directly or by implication, estoppel or otherwise; 38 * 39 * The above copyright and patent license is granted only if the following 40 * conditions are met: 41 * 42 * 3. Conditions 43 * 44 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 45 * Redistribution of source code of any substantial portion of the Covered 46 * Code or modification with rights to further distribute source must include 47 * the above Copyright Notice, the above License, this list of Conditions, 48 * and the following Disclaimer and Export Compliance provision. In addition, 49 * Licensee must cause all Covered Code to which Licensee contributes to 50 * contain a file documenting the changes Licensee made to create that Covered 51 * Code and the date of any change. Licensee must include in that file the 52 * documentation of any changes made by any predecessor Licensee. Licensee 53 * must include a prominent statement that the modification is derived, 54 * directly or indirectly, from Original Intel Code. 55 * 56 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 57 * Redistribution of source code of any substantial portion of the Covered 58 * Code or modification without rights to further distribute source must 59 * include the following Disclaimer and Export Compliance provision in the 60 * documentation and/or other materials provided with distribution. In 61 * addition, Licensee may not authorize further sublicense of source of any 62 * portion of the Covered Code, and must include terms to the effect that the 63 * license from Licensee to its licensee is limited to the intellectual 64 * property embodied in the software Licensee provides to its licensee, and 65 * not to intellectual property embodied in modifications its licensee may 66 * make. 67 * 68 * 3.3. Redistribution of Executable. Redistribution in executable form of any 69 * substantial portion of the Covered Code or modification must reproduce the 70 * above Copyright Notice, and the following Disclaimer and Export Compliance 71 * provision in the documentation and/or other materials provided with the 72 * distribution. 73 * 74 * 3.4. Intel retains all right, title, and interest in and to the Original 75 * Intel Code. 76 * 77 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 78 * Intel shall be used in advertising or otherwise to promote the sale, use or 79 * other dealings in products derived from or relating to the Covered Code 80 * without prior written authorization from Intel. 81 * 82 * 4. Disclaimer and Export Compliance 83 * 84 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 85 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 86 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 87 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 88 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 89 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 90 * PARTICULAR PURPOSE. 91 * 92 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 93 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 94 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 95 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 96 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 97 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 98 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 99 * LIMITED REMEDY. 100 * 101 * 4.3. Licensee shall not export, either directly or indirectly, any of this 102 * software or system incorporating such software without first obtaining any 103 * required license or other approval from the U. S. Department of Commerce or 104 * any other agency or department of the United States Government. In the 105 * event Licensee exports any such software from the United States or 106 * re-exports any such software from a foreign destination, Licensee shall 107 * ensure that the distribution and export/re-export of the software is in 108 * compliance with all laws, regulations, orders, or other restrictions of the 109 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 110 * any of its subsidiaries will export/re-export any technical data, process, 111 * software, or service, directly or indirectly, to any country for which the 112 * United States government or any agency thereof requires an export license, 113 * other governmental approval, or letter of assurance, without first obtaining 114 * such license, approval or letter. 115 * 116 *****************************************************************************/ 117 118#include "acpi.h" 119#include "acevents.h" 120#include "acnamesp.h" 121#include "acinterp.h" 122#include "achware.h" 123 124#define _COMPONENT EVENT_HANDLING 125 MODULE_NAME ("evmisc") 126 127 128/************************************************************************** 129 * 130 * FUNCTION: AcpiEvNotifyDispatch 131 * 132 * PARAMETERS: 133 * 134 * RETURN: None. 135 * 136 * DESCRIPTION: Dispatch a device notification event to a previously 137 * installed handler. 138 * 139 *************************************************************************/ 140 141void 142AcpiEvNotifyDispatch ( 143 ACPI_HANDLE Device, 144 UINT32 NotifyValue) 145{ 146 ACPI_OPERAND_OBJECT *ObjDesc; 147 ACPI_OPERAND_OBJECT *HandlerObj; 148 NOTIFY_HANDLER Handler; 149 150 151 /* 152 * For value 1 (Ejection Request), some device method may need to be run. 153 * For value 2 (Device Wake) if _PRW exists, the _PS0 method may need to be run. 154 * For value 0x80 (Status Change) on the power button or sleep button, 155 * initiate soft-off or sleep operation? 156 */ 157 158 159 DEBUG_PRINT (ACPI_INFO, 160 ("Dispatching Notify(%d) on device %p\n", NotifyValue, Device)); 161 162 switch (NotifyValue) 163 { 164 case 0: 165 DEBUG_PRINT (ACPI_INFO, ("Notify value: Re-enumerate Devices\n")); 166 break; 167 168 case 1: 169 DEBUG_PRINT (ACPI_INFO, ("Notify value: Ejection Request\n")); 170 break; 171 172 case 2: 173 DEBUG_PRINT (ACPI_INFO, ("Notify value: Device Wake\n")); 174 break; 175 176 case 0x80: 177 DEBUG_PRINT (ACPI_INFO, ("Notify value: Status Change\n")); 178 break; 179 180 default: 181 DEBUG_PRINT (ACPI_INFO, ("Unknown Notify Value: %lx \n", NotifyValue)); 182 break; 183 } 184 185 186 /* 187 * Invoke a global notify handler if installed. 188 * This is done _before_ we invoke the per-device handler attached to the device. 189 */ 190 191 if (NotifyValue <= MAX_SYS_NOTIFY) 192 { 193 /* Global system notification handler */ 194 195 if (AcpiGbl_SysNotify.Handler) 196 { 197 AcpiGbl_SysNotify.Handler (Device, NotifyValue, 198 AcpiGbl_SysNotify.Context); 199 } 200 } 201 202 else 203 { 204 /* Global driver notification handler */ 205 206 if (AcpiGbl_DrvNotify.Handler) 207 { 208 AcpiGbl_DrvNotify.Handler (Device, NotifyValue, 209 AcpiGbl_DrvNotify.Context); 210 } 211 } 212 213 214 /* 215 * Get the notify object which must be attached to the device Node 216 */ 217 218 ObjDesc = AcpiNsGetAttachedObject ((ACPI_HANDLE) Device); 219 if (!ObjDesc) 220 { 221 /* There can be no notify handler for this device */ 222 223 DEBUG_PRINT (ACPI_INFO, 224 ("No notify handler for device %p \n", Device)); 225 return; 226 } 227 228 229 /* We have the notify object, Get the right handler */ 230 231 if (NotifyValue <= MAX_SYS_NOTIFY) 232 { 233 HandlerObj = ObjDesc->Device.SysHandler; 234 } 235 else 236 { 237 HandlerObj = ObjDesc->Device.DrvHandler; 238 } 239 240 /* Validate the handler */ 241 242 if (!HandlerObj) 243 { 244 /* There is no notify handler for this device */ 245 246 DEBUG_PRINT (ACPI_INFO, 247 ("No notify handler for device %p \n", Device)); 248 return; 249 } 250 251 /* There is a handler, invoke it */ 252 253 Handler = HandlerObj->NotifyHandler.Handler; 254 Handler (Device, NotifyValue, HandlerObj->NotifyHandler.Context); 255 256} 257 258 259/*************************************************************************** 260 * 261 * FUNCTION: AcpiEvGlobalLockThread 262 * 263 * RETURN: None 264 * 265 * DESCRIPTION: Invoked by SCI interrupt handler upon acquisition of the 266 * Global Lock. Simply signal all threads that are waiting 267 * for the lock. 268 * 269 **************************************************************************/ 270
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