1 /****************************************************************************** 2 * 3 * Name: acconfig.h - Global configuration constants 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2015, 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 #ifndef ACPI_CHECKSUM_ABORT 87 #define ACPI_CHECKSUM_ABORT FALSE 88 #endif 89 90 /* 91 * Generate a version of ACPICA that only supports "reduced hardware" 92 * platforms (as defined in ACPI 5.0). Set to TRUE to generate a specialized 93 * version of ACPICA that ONLY supports the ACPI 5.0 "reduced hardware" 94 * model. In other words, no ACPI hardware is supported. 95 * 96 * If TRUE, this means no support for the following: 97 * PM Event and Control registers 98 * SCI interrupt (and handler) 99 * Fixed Events 100 * General Purpose Events (GPEs) 101 * Global Lock 102 * ACPI PM timer 103 * FACS table (Waking vectors and Global Lock) 104 */ 105 #ifndef ACPI_REDUCED_HARDWARE 106 #define ACPI_REDUCED_HARDWARE FALSE 107 #endif 108 109 /****************************************************************************** 110 * 111 * Subsystem Constants 112 * 113 *****************************************************************************/ 114 115 /* Version of ACPI supported */ 116 117 #define ACPI_CA_SUPPORT_LEVEL 5 118 119 /* Maximum count for a semaphore object */ 120 121 #define ACPI_MAX_SEMAPHORE_COUNT 256 122 123 /* Maximum object reference count (detects object deletion issues) */ 124 125 #define ACPI_MAX_REFERENCE_COUNT 0x1000 126 127 /* Default page size for use in mapping memory for operation regions */ 128 129 #define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */ 130 131 /* owner_id tracking. 8 entries allows for 255 owner_ids */ 132 133 #define ACPI_NUM_OWNERID_MASKS 8 134 135 /* Size of the root table array is increased by this increment */ 136 137 #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 138 139 /* Maximum sleep allowed via Sleep() operator */ 140 141 #define ACPI_MAX_SLEEP 2000 /* 2000 millisec == 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 /* Method info (in WALK_STATE), containing local variables and argumetns */ 154 155 #define ACPI_METHOD_NUM_LOCALS 8 156 #define ACPI_METHOD_MAX_LOCAL 7 157 158 #define ACPI_METHOD_NUM_ARGS 7 159 #define ACPI_METHOD_MAX_ARG 6 160 161 /* 162 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG 163 */ 164 #define ACPI_OBJ_NUM_OPERANDS 8 165 #define ACPI_OBJ_MAX_OPERAND 7 166 167 /* Number of elements in the Result Stack frame, can be an arbitrary value */ 168 169 #define ACPI_RESULTS_FRAME_OBJ_NUM 8 170 171 /* 172 * Maximal number of elements the Result Stack can contain, 173 * it may be an arbitray value not exceeding the types of 174 * result_size and result_count (now u8). 175 */ 176 #define ACPI_RESULTS_OBJ_NUM_MAX 255 177 178 /* Constants used in searching for the RSDP in low memory */ 179 180 #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */ 181 #define ACPI_EBDA_PTR_LENGTH 2 182 #define ACPI_EBDA_WINDOW_SIZE 1024 183 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */ 184 #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000 185 #define ACPI_RSDP_SCAN_STEP 16 186 187 /* Operation regions */ 188 189 #define ACPI_USER_REGION_BEGIN 0x80 190 191 /* Maximum space_ids for Operation Regions */ 192 193 #define ACPI_MAX_ADDRESS_SPACE 255 194 #define ACPI_NUM_DEFAULT_SPACES 4 195 196 /* Array sizes. Used for range checking also */ 197 198 #define ACPI_MAX_MATCH_OPCODE 5 199 200 /* RSDP checksums */ 201 202 #define ACPI_RSDP_CHECKSUM_LENGTH 20 203 #define ACPI_RSDP_XCHECKSUM_LENGTH 36 204 205 /* SMBus, GSBus and IPMI bidirectional buffer size */ 206 207 #define ACPI_SMBUS_BUFFER_SIZE 34 208 #define ACPI_GSBUS_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 * Miscellaneous constants 219 * 220 *****************************************************************************/ 221 222 /* UUID constants */ 223 224 #define UUID_BUFFER_LENGTH 16 /* Length of UUID in memory */ 225 #define UUID_STRING_LENGTH 36 /* Total length of a UUID string */ 226 227 /* Positions for required hyphens (dashes) in UUID strings */ 228 229 #define UUID_HYPHEN1_OFFSET 8 230 #define UUID_HYPHEN2_OFFSET 13 231 #define UUID_HYPHEN3_OFFSET 18 232 #define UUID_HYPHEN4_OFFSET 23 233 234 /****************************************************************************** 235 * 236 * ACPI AML Debugger 237 * 238 *****************************************************************************/ 239 240 #define ACPI_DEBUGGER_MAX_ARGS ACPI_METHOD_NUM_ARGS + 4 /* Max command line arguments */ 241 #define ACPI_DB_LINE_BUFFER_SIZE 512 242 243 #define ACPI_DEBUGGER_COMMAND_PROMPT '-' 244 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%' 245 246 #endif /* _ACCONFIG_H */ 247