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