1 /****************************************************************************** 2 * 3 * Name: acconfig.h - Global configuration constants 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2011, Intel Corp. 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 /* 66 * OS name, used for the _OS object. The _OS object is essentially obsolete, 67 * but there is a large base of ASL/AML code in existing machines that check 68 * for the string below. The use of this string usually guarantees that 69 * the ASL will execute down the most tested code path. Also, there is some 70 * code that will not execute the _OSI method unless _OS matches the string 71 * below. Therefore, change this string at your own risk. 72 */ 73 #define ACPI_OS_NAME "Microsoft Windows NT" 74 75 /* Maximum objects in the various object caches */ 76 77 #define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */ 78 #define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */ 79 #define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */ 80 #define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */ 81 #define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */ 82 83 /* 84 * Should the subsystem abort the loading of an ACPI table if the 85 * table checksum is incorrect? 86 */ 87 #define ACPI_CHECKSUM_ABORT FALSE 88 89 90 /****************************************************************************** 91 * 92 * Subsystem Constants 93 * 94 *****************************************************************************/ 95 96 /* Version of ACPI supported */ 97 98 #define ACPI_CA_SUPPORT_LEVEL 3 99 100 /* Maximum count for a semaphore object */ 101 102 #define ACPI_MAX_SEMAPHORE_COUNT 256 103 104 /* Maximum object reference count (detects object deletion issues) */ 105 106 #define ACPI_MAX_REFERENCE_COUNT 0x800 107 108 /* Default page size for use in mapping memory for operation regions */ 109 110 #define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */ 111 112 /* OwnerId tracking. 8 entries allows for 255 OwnerIds */ 113 114 #define ACPI_NUM_OWNERID_MASKS 8 115 116 /* Size of the root table array is increased by this increment */ 117 118 #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 119 120 /* Maximum number of While() loop iterations before forced abort */ 121 122 #define ACPI_MAX_LOOP_ITERATIONS 0xFFFF 123 124 /* Maximum sleep allowed via Sleep() operator */ 125 126 #define ACPI_MAX_SLEEP 20000 /* Two seconds */ 127 128 129 /****************************************************************************** 130 * 131 * ACPI Specification constants (Do not change unless the specification changes) 132 * 133 *****************************************************************************/ 134 135 /* Method info (in WALK_STATE), containing local variables and argumetns */ 136 137 #define ACPI_METHOD_NUM_LOCALS 8 138 #define ACPI_METHOD_MAX_LOCAL 7 139 140 #define ACPI_METHOD_NUM_ARGS 7 141 #define ACPI_METHOD_MAX_ARG 6 142 143 /* 144 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG 145 */ 146 #define ACPI_OBJ_NUM_OPERANDS 8 147 #define ACPI_OBJ_MAX_OPERAND 7 148 149 /* Number of elements in the Result Stack frame, can be an arbitrary value */ 150 151 #define ACPI_RESULTS_FRAME_OBJ_NUM 8 152 153 /* 154 * Maximal number of elements the Result Stack can contain, 155 * it may be an arbitray value not exceeding the types of 156 * ResultSize and ResultCount (now UINT8). 157 */ 158 #define ACPI_RESULTS_OBJ_NUM_MAX 255 159 160 /* Constants used in searching for the RSDP in low memory */ 161 162 #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */ 163 #define ACPI_EBDA_PTR_LENGTH 2 164 #define ACPI_EBDA_WINDOW_SIZE 1024 165 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */ 166 #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000 167 #define ACPI_RSDP_SCAN_STEP 16 168 169 /* Operation regions */ 170 171 #define ACPI_USER_REGION_BEGIN 0x80 172 173 /* Maximum SpaceIds for Operation Regions */ 174 175 #define ACPI_MAX_ADDRESS_SPACE 255 176 177 /* Array sizes. Used for range checking also */ 178 179 #define ACPI_MAX_MATCH_OPCODE 5 180 181 /* RSDP checksums */ 182 183 #define ACPI_RSDP_CHECKSUM_LENGTH 20 184 #define ACPI_RSDP_XCHECKSUM_LENGTH 36 185 186 /* SMBus and IPMI bidirectional buffer size */ 187 188 #define ACPI_SMBUS_BUFFER_SIZE 34 189 #define ACPI_IPMI_BUFFER_SIZE 66 190 191 /* _SxD and _SxW control methods */ 192 193 #define ACPI_NUM_SxD_METHODS 4 194 #define ACPI_NUM_SxW_METHODS 5 195 196 197 /****************************************************************************** 198 * 199 * ACPI AML Debugger 200 * 201 *****************************************************************************/ 202 203 #define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 2 /* Max command line arguments */ 204 #define ACPI_DB_LINE_BUFFER_SIZE 512 205 206 #define ACPI_DEBUGGER_COMMAND_PROMPT '-' 207 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%' 208 209 210 #endif /* _ACCONFIG_H */ 211 212