1 /****************************************************************************** 2 * 3 * Name: acconfig.h - Global configuration constants 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2005, 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 * 50 * Configuration options 51 * 52 *****************************************************************************/ 53 54 /* 55 * ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the 56 * ACPI subsystem. This includes the DEBUG_PRINT output 57 * statements. When disabled, all DEBUG_PRINT 58 * statements are compiled out. 59 * 60 * ACPI_APPLICATION - Use this switch if the subsystem is going to be run 61 * at the application level. 62 * 63 */ 64 65 /* Version string */ 66 67 #define ACPI_CA_VERSION 0x20050309 68 69 /* 70 * OS name, used for the _OS object. The _OS object is essentially obsolete, 71 * but there is a large base of ASL/AML code in existing machines that check 72 * for the string below. The use of this string usually guarantees that 73 * the ASL will execute down the most tested code path. Also, there is some 74 * code that will not execute the _OSI method unless _OS matches the string 75 * below. Therefore, change this string at your own risk. 76 */ 77 #define ACPI_OS_NAME "Microsoft Windows NT" 78 79 /* Maximum objects in the various object caches */ 80 81 #define ACPI_MAX_STATE_CACHE_DEPTH 64 /* State objects */ 82 #define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */ 83 #define ACPI_MAX_EXTPARSE_CACHE_DEPTH 64 /* Parse tree objects */ 84 #define ACPI_MAX_OBJECT_CACHE_DEPTH 64 /* Interpreter operand objects */ 85 #define ACPI_MAX_WALK_CACHE_DEPTH 4 /* Objects for parse tree walks */ 86 87 /* 88 * Should the subystem abort the loading of an ACPI table if the 89 * table checksum is incorrect? 90 */ 91 #define ACPI_CHECKSUM_ABORT FALSE 92 93 94 /****************************************************************************** 95 * 96 * Subsystem Constants 97 * 98 *****************************************************************************/ 99 100 /* Version of ACPI supported */ 101 102 #define ACPI_CA_SUPPORT_LEVEL 3 103 104 /* String size constants */ 105 106 #define ACPI_MAX_STRING_LENGTH 512 107 #define ACPI_PATHNAME_MAX 256 /* A full namespace pathname */ 108 109 /* Maximum count for a semaphore object */ 110 111 #define ACPI_MAX_SEMAPHORE_COUNT 256 112 113 /* Max reference count (for debug only) */ 114 115 #define ACPI_MAX_REFERENCE_COUNT 0x400 116 117 /* Size of cached memory mapping for system memory operation region */ 118 119 #define ACPI_SYSMEM_REGION_WINDOW_SIZE 4096 120 121 122 /****************************************************************************** 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 /* 134 * Method info (in WALK_STATE), containing local variables and argumetns 135 */ 136 #define ACPI_METHOD_NUM_LOCALS 8 137 #define ACPI_METHOD_MAX_LOCAL 7 138 139 #define ACPI_METHOD_NUM_ARGS 7 140 #define ACPI_METHOD_MAX_ARG 6 141 142 /* Maximum length of resulting string when converting from a buffer */ 143 144 #define ACPI_MAX_STRING_CONVERSION 200 145 146 /* Length of _HID, _UID, and _CID values */ 147 148 #define ACPI_DEVICE_ID_LENGTH 0x09 149 #define ACPI_MAX_CID_LENGTH 48 150 151 /* 152 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG 153 */ 154 #define ACPI_OBJ_NUM_OPERANDS 8 155 #define ACPI_OBJ_MAX_OPERAND 7 156 157 /* Names within the namespace are 4 bytes long */ 158 159 #define ACPI_NAME_SIZE 4 160 #define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */ 161 #define ACPI_PATH_SEPARATOR '.' 162 163 /* Constants used in searching for the RSDP in low memory */ 164 165 #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */ 166 #define ACPI_EBDA_PTR_LENGTH 2 167 #define ACPI_EBDA_WINDOW_SIZE 1024 168 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */ 169 #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000 170 #define ACPI_RSDP_SCAN_STEP 16 171 172 /* Operation regions */ 173 174 #define ACPI_NUM_PREDEFINED_REGIONS 8 175 #define ACPI_USER_REGION_BEGIN 0x80 176 177 /* Maximum space_ids for Operation Regions */ 178 179 #define ACPI_MAX_ADDRESS_SPACE 255 180 181 /* Array sizes. Used for range checking also */ 182 183 #define ACPI_NUM_ACCESS_TYPES 6 184 #define ACPI_NUM_UPDATE_RULES 3 185 #define ACPI_NUM_LOCK_RULES 2 186 #define ACPI_NUM_MATCH_OPS 6 187 #define ACPI_NUM_OPCODES 256 188 #define ACPI_NUM_FIELD_NAMES 2 189 190 /* RSDP checksums */ 191 192 #define ACPI_RSDP_CHECKSUM_LENGTH 20 193 #define ACPI_RSDP_XCHECKSUM_LENGTH 36 194 195 /* SMBus bidirectional buffer size */ 196 197 #define ACPI_SMBUS_BUFFER_SIZE 34 198 199 /* Number of strings associated with the _OSI reserved method */ 200 201 #define ACPI_NUM_OSI_STRINGS 10 202 203 204 /****************************************************************************** 205 * 206 * ACPI AML Debugger 207 * 208 *****************************************************************************/ 209 210 #define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */ 211 212 #define ACPI_DEBUGGER_COMMAND_PROMPT '-' 213 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%' 214 215 216 #endif /* _ACCONFIG_H */ 217 218