1 /****************************************************************************** 2 * 3 * Name: acconfig.h - Global configuration constants 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2012, 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 * Generate a version of ACPICA that only supports "reduced hardware" 90 * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized 91 * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware" 92 * model. In other words, no ACPI hardware is supported. 93 * 94 * If TRUE, this means no support for the following: 95 * PM Event and Control registers 96 * SCI interrupt (and handler) 97 * Fixed Events 98 * General Purpose Events (GPEs) 99 * Global Lock 100 * ACPI PM timer 101 * FACS table (Waking vectors and Global Lock) 102 */ 103 #define ACPI_REDUCED_HARDWARE FALSE 104 105 /****************************************************************************** 106 * 107 * Subsystem Constants 108 * 109 *****************************************************************************/ 110 111 /* Version of ACPI supported */ 112 113 #define ACPI_CA_SUPPORT_LEVEL 5 114 115 /* Maximum count for a semaphore object */ 116 117 #define ACPI_MAX_SEMAPHORE_COUNT 256 118 119 /* Maximum object reference count (detects object deletion issues) */ 120 121 #define ACPI_MAX_REFERENCE_COUNT 0x1000 122 123 /* Default page size for use in mapping memory for operation regions */ 124 125 #define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */ 126 127 /* owner_id tracking. 8 entries allows for 255 owner_ids */ 128 129 #define ACPI_NUM_OWNERID_MASKS 8 130 131 /* Size of the root table array is increased by this increment */ 132 133 #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 134 135 /* Maximum number of While() loop iterations before forced abort */ 136 137 #define ACPI_MAX_LOOP_ITERATIONS 0xFFFF 138 139 /* Maximum sleep allowed via Sleep() operator */ 140 141 #define ACPI_MAX_SLEEP 2000 /* Two seconds */ 142 143 /* Address Range lists are per-space_id (Memory and I/O only) */ 144 145 #define ACPI_ADDRESS_RANGE_MAX 2 146 147 /****************************************************************************** 148 * 149 * ACPI Specification constants (Do not change unless the specification changes) 150 * 151 *****************************************************************************/ 152 153 /* Number of distinct GPE register blocks and register width */ 154 155 #define ACPI_MAX_GPE_BLOCKS 2 156 #define ACPI_GPE_REGISTER_WIDTH 8 157 158 /* Method info (in WALK_STATE), containing local variables and argumetns */ 159 160 #define ACPI_METHOD_NUM_LOCALS 8 161 #define ACPI_METHOD_MAX_LOCAL 7 162 163 #define ACPI_METHOD_NUM_ARGS 7 164 #define ACPI_METHOD_MAX_ARG 6 165 166 /* Length of _HID, _UID, _CID, and UUID values */ 167 168 #define ACPI_DEVICE_ID_LENGTH 0x09 169 #define ACPI_MAX_CID_LENGTH 48 170 #define ACPI_UUID_LENGTH 16 171 172 /* 173 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG 174 */ 175 #define ACPI_OBJ_NUM_OPERANDS 8 176 #define ACPI_OBJ_MAX_OPERAND 7 177 178 /* Number of elements in the Result Stack frame, can be an arbitrary value */ 179 180 #define ACPI_RESULTS_FRAME_OBJ_NUM 8 181 182 /* 183 * Maximal number of elements the Result Stack can contain, 184 * it may be an arbitray value not exceeding the types of 185 * result_size and result_count (now u8). 186 */ 187 #define ACPI_RESULTS_OBJ_NUM_MAX 255 188 189 /* Names within the namespace are 4 bytes long */ 190 191 #define ACPI_NAME_SIZE 4 192 #define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */ 193 #define ACPI_PATH_SEPARATOR '.' 194 195 /* Sizes for ACPI table headers */ 196 197 #define ACPI_OEM_ID_SIZE 6 198 #define ACPI_OEM_TABLE_ID_SIZE 8 199 200 /* Constants used in searching for the RSDP in low memory */ 201 202 #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */ 203 #define ACPI_EBDA_PTR_LENGTH 2 204 #define ACPI_EBDA_WINDOW_SIZE 1024 205 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */ 206 #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000 207 #define ACPI_RSDP_SCAN_STEP 16 208 209 /* Operation regions */ 210 211 #define ACPI_USER_REGION_BEGIN 0x80 212 213 /* Maximum space_ids for Operation Regions */ 214 215 #define ACPI_MAX_ADDRESS_SPACE 255 216 217 /* Array sizes. Used for range checking also */ 218 219 #define ACPI_MAX_MATCH_OPCODE 5 220 221 /* RSDP checksums */ 222 223 #define ACPI_RSDP_CHECKSUM_LENGTH 20 224 #define ACPI_RSDP_XCHECKSUM_LENGTH 36 225 226 /* SMBus, GSBus and IPMI bidirectional buffer size */ 227 228 #define ACPI_SMBUS_BUFFER_SIZE 34 229 #define ACPI_GSBUS_BUFFER_SIZE 34 230 #define ACPI_IPMI_BUFFER_SIZE 66 231 232 /* _sx_d and _sx_w control methods */ 233 234 #define ACPI_NUM_sx_d_METHODS 4 235 #define ACPI_NUM_sx_w_METHODS 5 236 237 /****************************************************************************** 238 * 239 * ACPI AML Debugger 240 * 241 *****************************************************************************/ 242 243 #define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */ 244 245 #define ACPI_DEBUGGER_COMMAND_PROMPT '-' 246 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%' 247 248 #endif /* _ACCONFIG_H */ 249