1114239Snjl/****************************************************************************** 2114239Snjl * 3114239Snjl * Module Name: dsinit - Object initialization namespace walk 4114239Snjl * 5114239Snjl *****************************************************************************/ 6114239Snjl 7217365Sjkim/* 8217365Sjkim * Copyright (C) 2000 - 2011, Intel Corp. 9114239Snjl * All rights reserved. 10114239Snjl * 11217365Sjkim * Redistribution and use in source and binary forms, with or without 12217365Sjkim * modification, are permitted provided that the following conditions 13217365Sjkim * are met: 14217365Sjkim * 1. Redistributions of source code must retain the above copyright 15217365Sjkim * notice, this list of conditions, and the following disclaimer, 16217365Sjkim * without modification. 17217365Sjkim * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18217365Sjkim * substantially similar to the "NO WARRANTY" disclaimer below 19217365Sjkim * ("Disclaimer") and any redistribution must be conditioned upon 20217365Sjkim * including a substantially similar Disclaimer requirement for further 21217365Sjkim * binary redistribution. 22217365Sjkim * 3. Neither the names of the above-listed copyright holders nor the names 23217365Sjkim * of any contributors may be used to endorse or promote products derived 24217365Sjkim * from this software without specific prior written permission. 25114239Snjl * 26217365Sjkim * Alternatively, this software may be distributed under the terms of the 27217365Sjkim * GNU General Public License ("GPL") version 2 as published by the Free 28217365Sjkim * Software Foundation. 29114239Snjl * 30217365Sjkim * NO WARRANTY 31217365Sjkim * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32217365Sjkim * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33217365Sjkim * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34217365Sjkim * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35217365Sjkim * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36217365Sjkim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37217365Sjkim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38217365Sjkim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39217365Sjkim * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40217365Sjkim * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41217365Sjkim * POSSIBILITY OF SUCH DAMAGES. 42217365Sjkim */ 43114239Snjl 44114239Snjl#define __DSINIT_C__ 45114239Snjl 46193341Sjkim#include <contrib/dev/acpica/include/acpi.h> 47193341Sjkim#include <contrib/dev/acpica/include/accommon.h> 48193341Sjkim#include <contrib/dev/acpica/include/acdispat.h> 49193341Sjkim#include <contrib/dev/acpica/include/acnamesp.h> 50193341Sjkim#include <contrib/dev/acpica/include/actables.h> 51114239Snjl 52114239Snjl#define _COMPONENT ACPI_DISPATCHER 53114239Snjl ACPI_MODULE_NAME ("dsinit") 54114239Snjl 55151937Sjkim/* Local prototypes */ 56114239Snjl 57151937Sjkimstatic ACPI_STATUS 58151937SjkimAcpiDsInitOneObject ( 59151937Sjkim ACPI_HANDLE ObjHandle, 60151937Sjkim UINT32 Level, 61151937Sjkim void *Context, 62151937Sjkim void **ReturnValue); 63151937Sjkim 64151937Sjkim 65114239Snjl/******************************************************************************* 66114239Snjl * 67114239Snjl * FUNCTION: AcpiDsInitOneObject 68114239Snjl * 69151937Sjkim * PARAMETERS: ObjHandle - Node for the object 70114239Snjl * Level - Current nesting level 71114239Snjl * Context - Points to a init info struct 72114239Snjl * ReturnValue - Not used 73114239Snjl * 74114239Snjl * RETURN: Status 75114239Snjl * 76114239Snjl * DESCRIPTION: Callback from AcpiWalkNamespace. Invoked for every object 77114239Snjl * within the namespace. 78114239Snjl * 79114239Snjl * Currently, the only objects that require initialization are: 80114239Snjl * 1) Methods 81114239Snjl * 2) Operation Regions 82114239Snjl * 83114239Snjl ******************************************************************************/ 84114239Snjl 85151937Sjkimstatic ACPI_STATUS 86114239SnjlAcpiDsInitOneObject ( 87114239Snjl ACPI_HANDLE ObjHandle, 88114239Snjl UINT32 Level, 89114239Snjl void *Context, 90114239Snjl void **ReturnValue) 91114239Snjl{ 92151937Sjkim ACPI_INIT_WALK_INFO *Info = (ACPI_INIT_WALK_INFO *) Context; 93151937Sjkim ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle; 94114239Snjl ACPI_OBJECT_TYPE Type; 95114239Snjl ACPI_STATUS Status; 96114239Snjl 97114239Snjl 98167802Sjkim ACPI_FUNCTION_ENTRY (); 99114239Snjl 100114239Snjl 101114239Snjl /* 102151937Sjkim * We are only interested in NS nodes owned by the table that 103114239Snjl * was just loaded 104114239Snjl */ 105167802Sjkim if (Node->OwnerId != Info->OwnerId) 106114239Snjl { 107114239Snjl return (AE_OK); 108114239Snjl } 109114239Snjl 110114239Snjl Info->ObjectCount++; 111114239Snjl 112114239Snjl /* And even then, we are only interested in a few object types */ 113114239Snjl 114114239Snjl Type = AcpiNsGetType (ObjHandle); 115114239Snjl 116114239Snjl switch (Type) 117114239Snjl { 118114239Snjl case ACPI_TYPE_REGION: 119114239Snjl 120114239Snjl Status = AcpiDsInitializeRegion (ObjHandle); 121114239Snjl if (ACPI_FAILURE (Status)) 122114239Snjl { 123167802Sjkim ACPI_EXCEPTION ((AE_INFO, Status, 124167802Sjkim "During Region initialization %p [%4.4s]", 125167802Sjkim ObjHandle, AcpiUtGetNodeName (ObjHandle))); 126114239Snjl } 127114239Snjl 128114239Snjl Info->OpRegionCount++; 129114239Snjl break; 130114239Snjl 131114239Snjl 132114239Snjl case ACPI_TYPE_METHOD: 133114239Snjl 134151937Sjkim Info->MethodCount++; 135114239Snjl break; 136114239Snjl 137114239Snjl 138114239Snjl case ACPI_TYPE_DEVICE: 139114239Snjl 140114239Snjl Info->DeviceCount++; 141114239Snjl break; 142114239Snjl 143114239Snjl 144114239Snjl default: 145114239Snjl break; 146114239Snjl } 147114239Snjl 148114239Snjl /* 149114239Snjl * We ignore errors from above, and always return OK, since 150114239Snjl * we don't want to abort the walk on a single error. 151114239Snjl */ 152114239Snjl return (AE_OK); 153114239Snjl} 154114239Snjl 155114239Snjl 156114239Snjl/******************************************************************************* 157114239Snjl * 158114239Snjl * FUNCTION: AcpiDsInitializeObjects 159114239Snjl * 160114239Snjl * PARAMETERS: TableDesc - Descriptor for parent ACPI table 161114239Snjl * StartNode - Root of subtree to be initialized. 162114239Snjl * 163114239Snjl * RETURN: Status 164114239Snjl * 165114239Snjl * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any 166114239Snjl * necessary initialization on the objects found therein 167114239Snjl * 168114239Snjl ******************************************************************************/ 169114239Snjl 170114239SnjlACPI_STATUS 171114239SnjlAcpiDsInitializeObjects ( 172193267Sjkim UINT32 TableIndex, 173114239Snjl ACPI_NAMESPACE_NODE *StartNode) 174114239Snjl{ 175114239Snjl ACPI_STATUS Status; 176114239Snjl ACPI_INIT_WALK_INFO Info; 177167802Sjkim ACPI_TABLE_HEADER *Table; 178167802Sjkim ACPI_OWNER_ID OwnerId; 179114239Snjl 180114239Snjl 181167802Sjkim ACPI_FUNCTION_TRACE (DsInitializeObjects); 182114239Snjl 183114239Snjl 184167802Sjkim Status = AcpiTbGetOwnerId (TableIndex, &OwnerId); 185167802Sjkim if (ACPI_FAILURE (Status)) 186167802Sjkim { 187167802Sjkim return_ACPI_STATUS (Status); 188167802Sjkim } 189167802Sjkim 190114239Snjl ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 191114239Snjl "**** Starting initialization of namespace objects ****\n")); 192114239Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "Parsing all Control Methods:")); 193114239Snjl 194209746Sjkim /* Set all init info to zero */ 195114239Snjl 196209746Sjkim ACPI_MEMSET (&Info, 0, sizeof (ACPI_INIT_WALK_INFO)); 197209746Sjkim 198209746Sjkim Info.OwnerId = OwnerId; 199209746Sjkim Info.TableIndex = TableIndex; 200209746Sjkim 201114239Snjl /* Walk entire namespace from the supplied root */ 202114239Snjl 203193267Sjkim Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); 204114239Snjl if (ACPI_FAILURE (Status)) 205114239Snjl { 206193267Sjkim return_ACPI_STATUS (Status); 207193267Sjkim } 208193267Sjkim 209193267Sjkim /* 210193267Sjkim * We don't use AcpiWalkNamespace since we do not want to acquire 211193267Sjkim * the namespace reader lock. 212193267Sjkim */ 213193267Sjkim Status = AcpiNsWalkNamespace (ACPI_TYPE_ANY, StartNode, ACPI_UINT32_MAX, 214199337Sjkim ACPI_NS_WALK_UNLOCK, AcpiDsInitOneObject, NULL, &Info, NULL); 215193267Sjkim if (ACPI_FAILURE (Status)) 216193267Sjkim { 217167802Sjkim ACPI_EXCEPTION ((AE_INFO, Status, "During WalkNamespace")); 218114239Snjl } 219193267Sjkim (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); 220114239Snjl 221167802Sjkim Status = AcpiGetTableByIndex (TableIndex, &Table); 222167802Sjkim if (ACPI_FAILURE (Status)) 223167802Sjkim { 224167802Sjkim return_ACPI_STATUS (Status); 225167802Sjkim } 226167802Sjkim 227114239Snjl ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 228209746Sjkim "\nTable [%4.4s](id %4.4X) - %u Objects with %u Devices %u Methods %u Regions\n", 229167802Sjkim Table->Signature, OwnerId, Info.ObjectCount, 230114239Snjl Info.DeviceCount, Info.MethodCount, Info.OpRegionCount)); 231114239Snjl 232114239Snjl ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 233209746Sjkim "%u Methods, %u Regions\n", Info.MethodCount, Info.OpRegionCount)); 234114239Snjl 235114239Snjl return_ACPI_STATUS (AE_OK); 236114239Snjl} 237114239Snjl 238114239Snjl 239