Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |