1/****************************************************************************** 2 * 3 * Name: acconfig.h - Global configuration constants 4 * 5 *****************************************************************************/ 6 7/* 8 * Copyright (C) 2000 - 2007, R. Byron Moore 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#ifndef _ACCONFIG_H 45#define _ACCONFIG_H 46 47/****************************************************************************** 48 * 49 * Configuration options 50 * 51 *****************************************************************************/ 52 53/* 54 * ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the 55 * ACPI subsystem. This includes the DEBUG_PRINT output 56 * statements. When disabled, all DEBUG_PRINT 57 * statements are compiled out. 58 * 59 * ACPI_APPLICATION - Use this switch if the subsystem is going to be run 60 * at the application level. 61 * 62 */ 63 64/* Current ACPICA subsystem version in YYYYMMDD format */ 65 66#define ACPI_CA_VERSION 0x20070126 67 68/* 69 * OS name, used for the _OS object. The _OS object is essentially obsolete, 70 * but there is a large base of ASL/AML code in existing machines that check 71 * for the string below. The use of this string usually guarantees that 72 * the ASL will execute down the most tested code path. Also, there is some 73 * code that will not execute the _OSI method unless _OS matches the string 74 * below. Therefore, change this string at your own risk. 75 */ 76#define ACPI_OS_NAME "Microsoft Windows NT" 77 78/* Maximum objects in the various object caches */ 79 80#define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */ 81#define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */ 82#define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */ 83#define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */ 84#define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */ 85 86/* 87 * Should the subsystem abort the loading of an ACPI table if the 88 * table checksum is incorrect? 89 */ 90#define ACPI_CHECKSUM_ABORT FALSE 91 92/****************************************************************************** 93 * 94 * Subsystem Constants 95 * 96 *****************************************************************************/ 97 98/* Version of ACPI supported */ 99 100#define ACPI_CA_SUPPORT_LEVEL 3 101 102/* Maximum count for a semaphore object */ 103 104#define ACPI_MAX_SEMAPHORE_COUNT 256 105 106/* Maximum object reference count (detects object deletion issues) */ 107 108#define ACPI_MAX_REFERENCE_COUNT 0x1000 109 110/* Size of cached memory mapping for system memory operation region */ 111 112#define ACPI_SYSMEM_REGION_WINDOW_SIZE 4096 113 114/* owner_id tracking. 8 entries allows for 255 owner_ids */ 115 116#define ACPI_NUM_OWNERID_MASKS 8 117 118/* Size of the root table array is increased by this increment */ 119 120#define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 121 122/****************************************************************************** 123 * 124 * ACPI Specification constants (Do not change unless the specification changes) 125 * 126 *****************************************************************************/ 127 128/* Number of distinct GPE register blocks and register width */ 129 130#define ACPI_MAX_GPE_BLOCKS 2 131#define ACPI_GPE_REGISTER_WIDTH 8 132 133/* Method info (in WALK_STATE), containing local variables and argumetns */ 134 135#define ACPI_METHOD_NUM_LOCALS 8 136#define ACPI_METHOD_MAX_LOCAL 7 137 138#define ACPI_METHOD_NUM_ARGS 7 139#define ACPI_METHOD_MAX_ARG 6 140 141/* Length of _HID, _UID, _CID, and UUID values */ 142 143#define ACPI_DEVICE_ID_LENGTH 0x09 144#define ACPI_MAX_CID_LENGTH 48 145#define ACPI_UUID_LENGTH 16 146 147/* 148 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG 149 */ 150#define ACPI_OBJ_NUM_OPERANDS 8 151#define ACPI_OBJ_MAX_OPERAND 7 152 153/* Names within the namespace are 4 bytes long */ 154 155#define ACPI_NAME_SIZE 4 156#define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */ 157#define ACPI_PATH_SEPARATOR '.' 158 159/* Sizes for ACPI table headers */ 160 161#define ACPI_OEM_ID_SIZE 6 162#define ACPI_OEM_TABLE_ID_SIZE 8 163 164/* Constants used in searching for the RSDP in low memory */ 165 166#define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */ 167#define ACPI_EBDA_PTR_LENGTH 2 168#define ACPI_EBDA_WINDOW_SIZE 1024 169#define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */ 170#define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000 171#define ACPI_RSDP_SCAN_STEP 16 172 173/* Operation regions */ 174 175#define ACPI_NUM_PREDEFINED_REGIONS 8 176#define ACPI_USER_REGION_BEGIN 0x80 177 178/* Maximum space_ids for Operation Regions */ 179 180#define ACPI_MAX_ADDRESS_SPACE 255 181 182/* Array sizes. Used for range checking also */ 183 184#define ACPI_MAX_MATCH_OPCODE 5 185 186/* RSDP checksums */ 187 188#define ACPI_RSDP_CHECKSUM_LENGTH 20 189#define ACPI_RSDP_XCHECKSUM_LENGTH 36 190 191/* SMBus bidirectional buffer size */ 192 193#define ACPI_SMBUS_BUFFER_SIZE 34 194 195/****************************************************************************** 196 * 197 * ACPI AML Debugger 198 * 199 *****************************************************************************/ 200 201#define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */ 202 203#define ACPI_DEBUGGER_COMMAND_PROMPT '-' 204#define ACPI_DEBUGGER_EXECUTE_PROMPT '%' 205 206#endif /* _ACCONFIG_H */ 207