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 * 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 /* 65 * OS name, used for the _OS object. The _OS object is essentially obsolete, 66 * but there is a large base of ASL/AML code in existing machines that check 67 * for the string below. The use of this string usually guarantees that 68 * the ASL will execute down the most tested code path. Also, there is some 69 * code that will not execute the _OSI method unless _OS matches the string 70 * below. Therefore, change this string at your own risk. 71 */ 72 #define ACPI_OS_NAME "Microsoft Windows NT" 73 74 /* Maximum objects in the various object caches */ 75 76 #define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */ 77 #define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */ 78 #define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */ 79 #define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */ 80 #define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */ 81 82 /* 83 * Should the subsystem abort the loading of an ACPI table if the 84 * table checksum is incorrect? 85 */ 86 #define ACPI_CHECKSUM_ABORT FALSE 87 88 /****************************************************************************** 89 * 90 * Subsystem Constants 91 * 92 *****************************************************************************/ 93 94 /* Version of ACPI supported */ 95 96 #define ACPI_CA_SUPPORT_LEVEL 3 97 98 /* Maximum count for a semaphore object */ 99 100 #define ACPI_MAX_SEMAPHORE_COUNT 256 101 102 /* Maximum object reference count (detects object deletion issues) */ 103 104 #define ACPI_MAX_REFERENCE_COUNT 0x1000 105 106 /* Default page size for use in mapping memory for operation regions */ 107 108 #define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */ 109 110 /* owner_id tracking. 8 entries allows for 255 owner_ids */ 111 112 #define ACPI_NUM_OWNERID_MASKS 8 113 114 /* Size of the root table array is increased by this increment */ 115 116 #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 117 118 /* Maximum number of While() loop iterations before forced abort */ 119 120 #define ACPI_MAX_LOOP_ITERATIONS 0xFFFF 121 122 /* Maximum sleep allowed via Sleep() operator */ 123 124 #define ACPI_MAX_SLEEP 20000 /* Two seconds */ 125 126 /****************************************************************************** 127 * 128 * ACPI Specification constants (Do not change unless the specification changes) 129 * 130 *****************************************************************************/ 131 132 /* Number of distinct GPE register blocks and register width */ 133 134 #define ACPI_MAX_GPE_BLOCKS 2 135 #define ACPI_GPE_REGISTER_WIDTH 8 136 137 /* Method info (in WALK_STATE), containing local variables and argumetns */ 138 139 #define ACPI_METHOD_NUM_LOCALS 8 140 #define ACPI_METHOD_MAX_LOCAL 7 141 142 #define ACPI_METHOD_NUM_ARGS 7 143 #define ACPI_METHOD_MAX_ARG 6 144 145 /* Length of _HID, _UID, _CID, and UUID values */ 146 147 #define ACPI_DEVICE_ID_LENGTH 0x09 148 #define ACPI_MAX_CID_LENGTH 48 149 #define ACPI_UUID_LENGTH 16 150 151 /* 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 /* Number of elements in the Result Stack frame, can be an arbitrary value */ 158 159 #define ACPI_RESULTS_FRAME_OBJ_NUM 8 160 161 /* 162 * Maximal number of elements the Result Stack can contain, 163 * it may be an arbitray value not exceeding the types of 164 * result_size and result_count (now u8). 165 */ 166 #define ACPI_RESULTS_OBJ_NUM_MAX 255 167 168 /* Names within the namespace are 4 bytes long */ 169 170 #define ACPI_NAME_SIZE 4 171 #define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */ 172 #define ACPI_PATH_SEPARATOR '.' 173 174 /* Sizes for ACPI table headers */ 175 176 #define ACPI_OEM_ID_SIZE 6 177 #define ACPI_OEM_TABLE_ID_SIZE 8 178 179 /* Constants used in searching for the RSDP in low memory */ 180 181 #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */ 182 #define ACPI_EBDA_PTR_LENGTH 2 183 #define ACPI_EBDA_WINDOW_SIZE 1024 184 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */ 185 #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000 186 #define ACPI_RSDP_SCAN_STEP 16 187 188 /* Operation regions */ 189 190 #define ACPI_NUM_PREDEFINED_REGIONS 9 191 #define ACPI_USER_REGION_BEGIN 0x80 192 193 /* Maximum space_ids for Operation Regions */ 194 195 #define ACPI_MAX_ADDRESS_SPACE 255 196 197 /* Array sizes. Used for range checking also */ 198 199 #define ACPI_MAX_MATCH_OPCODE 5 200 201 /* RSDP checksums */ 202 203 #define ACPI_RSDP_CHECKSUM_LENGTH 20 204 #define ACPI_RSDP_XCHECKSUM_LENGTH 36 205 206 /* SMBus and IPMI bidirectional buffer size */ 207 208 #define ACPI_SMBUS_BUFFER_SIZE 34 209 #define ACPI_IPMI_BUFFER_SIZE 66 210 211 /* _sx_d and _sx_w control methods */ 212 213 #define ACPI_NUM_sx_d_METHODS 4 214 #define ACPI_NUM_sx_w_METHODS 5 215 216 /****************************************************************************** 217 * 218 * ACPI AML Debugger 219 * 220 *****************************************************************************/ 221 222 #define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */ 223 224 #define ACPI_DEBUGGER_COMMAND_PROMPT '-' 225 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%' 226 227 #endif /* _ACCONFIG_H */ 228