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1 /****************************************************************************** |
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2 * |
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3 * Name: acconfig.h - Global configuration constants |
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4 * |
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5 *****************************************************************************/ |
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6 |
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7 /* |
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8 * Copyright (C) 2000 - 2008, Intel Corp. |
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9 * All rights reserved. |
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10 * |
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11 * Redistribution and use in source and binary forms, with or without |
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12 * modification, are permitted provided that the following conditions |
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13 * are met: |
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14 * 1. Redistributions of source code must retain the above copyright |
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15 * notice, this list of conditions, and the following disclaimer, |
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16 * without modification. |
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17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
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18 * substantially similar to the "NO WARRANTY" disclaimer below |
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19 * ("Disclaimer") and any redistribution must be conditioned upon |
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20 * including a substantially similar Disclaimer requirement for further |
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21 * binary redistribution. |
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22 * 3. Neither the names of the above-listed copyright holders nor the names |
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23 * of any contributors may be used to endorse or promote products derived |
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24 * from this software without specific prior written permission. |
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25 * |
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26 * Alternatively, this software may be distributed under the terms of the |
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27 * GNU General Public License ("GPL") version 2 as published by the Free |
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28 * Software Foundation. |
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29 * |
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30 * NO WARRANTY |
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31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
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34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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41 * POSSIBILITY OF SUCH DAMAGES. |
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42 */ |
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43 |
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44 #ifndef _ACCONFIG_H |
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45 #define _ACCONFIG_H |
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46 |
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47 /****************************************************************************** |
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48 * |
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49 * Configuration options |
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50 * |
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51 *****************************************************************************/ |
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52 |
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53 /* |
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54 * ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the |
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55 * ACPI subsystem. This includes the DEBUG_PRINT output |
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56 * statements. When disabled, all DEBUG_PRINT |
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57 * statements are compiled out. |
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58 * |
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59 * ACPI_APPLICATION - Use this switch if the subsystem is going to be run |
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60 * at the application level. |
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61 * |
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62 */ |
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63 |
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64 /* Current ACPICA subsystem version in YYYYMMDD format */ |
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65 |
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66 #define ACPI_CA_VERSION 0x20080926 |
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67 |
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68 /* |
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69 * OS name, used for the _OS object. The _OS object is essentially obsolete, |
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70 * but there is a large base of ASL/AML code in existing machines that check |
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71 * for the string below. The use of this string usually guarantees that |
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72 * the ASL will execute down the most tested code path. Also, there is some |
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73 * code that will not execute the _OSI method unless _OS matches the string |
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74 * below. Therefore, change this string at your own risk. |
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75 */ |
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76 #define ACPI_OS_NAME "Microsoft Windows NT" |
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77 |
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78 /* Maximum objects in the various object caches */ |
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79 |
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80 #define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */ |
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81 #define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */ |
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82 #define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */ |
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83 #define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */ |
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84 #define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */ |
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85 |
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86 /* |
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87 * Should the subsystem abort the loading of an ACPI table if the |
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88 * table checksum is incorrect? |
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89 */ |
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90 #define ACPI_CHECKSUM_ABORT FALSE |
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91 |
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92 /****************************************************************************** |
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93 * |
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94 * Subsystem Constants |
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95 * |
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96 *****************************************************************************/ |
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97 |
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98 /* Version of ACPI supported */ |
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99 |
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100 #define ACPI_CA_SUPPORT_LEVEL 3 |
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101 |
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102 /* Maximum count for a semaphore object */ |
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103 |
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104 #define ACPI_MAX_SEMAPHORE_COUNT 256 |
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105 |
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106 /* Maximum object reference count (detects object deletion issues) */ |
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107 |
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108 #define ACPI_MAX_REFERENCE_COUNT 0x1000 |
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109 |
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110 /* Size of cached memory mapping for system memory operation region */ |
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111 |
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112 #define ACPI_SYSMEM_REGION_WINDOW_SIZE 4096 |
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113 |
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114 /* owner_id tracking. 8 entries allows for 255 owner_ids */ |
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115 |
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116 #define ACPI_NUM_OWNERID_MASKS 8 |
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117 |
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118 /* Size of the root table array is increased by this increment */ |
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119 |
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120 #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 |
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121 |
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122 /****************************************************************************** |
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123 * |
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124 * ACPI Specification constants (Do not change unless the specification changes) |
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125 * |
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126 *****************************************************************************/ |
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127 |
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128 /* Number of distinct GPE register blocks and register width */ |
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129 |
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130 #define ACPI_MAX_GPE_BLOCKS 2 |
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131 #define ACPI_GPE_REGISTER_WIDTH 8 |
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132 |
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133 /* Method info (in WALK_STATE), containing local variables and argumetns */ |
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134 |
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135 #define ACPI_METHOD_NUM_LOCALS 8 |
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136 #define ACPI_METHOD_MAX_LOCAL 7 |
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137 |
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138 #define ACPI_METHOD_NUM_ARGS 7 |
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139 #define ACPI_METHOD_MAX_ARG 6 |
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140 |
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141 /* Length of _HID, _UID, _CID, and UUID values */ |
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142 |
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143 #define ACPI_DEVICE_ID_LENGTH 0x09 |
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144 #define ACPI_MAX_CID_LENGTH 48 |
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145 #define ACPI_UUID_LENGTH 16 |
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146 |
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147 /* |
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148 * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG |
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149 */ |
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150 #define ACPI_OBJ_NUM_OPERANDS 8 |
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151 #define ACPI_OBJ_MAX_OPERAND 7 |
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152 |
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153 /* Number of elements in the Result Stack frame, can be an arbitrary value */ |
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154 |
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155 #define ACPI_RESULTS_FRAME_OBJ_NUM 8 |
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156 |
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157 /* |
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158 * Maximal number of elements the Result Stack can contain, |
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159 * it may be an arbitray value not exceeding the types of |
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160 * result_size and result_count (now u8). |
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161 */ |
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162 #define ACPI_RESULTS_OBJ_NUM_MAX 255 |
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163 |
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164 /* Names within the namespace are 4 bytes long */ |
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165 |
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166 #define ACPI_NAME_SIZE 4 |
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167 #define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */ |
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168 #define ACPI_PATH_SEPARATOR '.' |
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169 |
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170 /* Sizes for ACPI table headers */ |
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171 |
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172 #define ACPI_OEM_ID_SIZE 6 |
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173 #define ACPI_OEM_TABLE_ID_SIZE 8 |
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174 |
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175 /* Constants used in searching for the RSDP in low memory */ |
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176 |
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177 #define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */ |
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178 #define ACPI_EBDA_PTR_LENGTH 2 |
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179 #define ACPI_EBDA_WINDOW_SIZE 1024 |
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180 #define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */ |
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181 #define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000 |
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182 #define ACPI_RSDP_SCAN_STEP 16 |
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183 |
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184 /* Operation regions */ |
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185 |
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186 #define ACPI_NUM_PREDEFINED_REGIONS 8 |
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187 #define ACPI_USER_REGION_BEGIN 0x80 |
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188 |
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189 /* Maximum space_ids for Operation Regions */ |
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190 |
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191 #define ACPI_MAX_ADDRESS_SPACE 255 |
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192 |
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193 /* Array sizes. Used for range checking also */ |
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194 |
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195 #define ACPI_MAX_MATCH_OPCODE 5 |
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196 |
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197 /* RSDP checksums */ |
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198 |
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199 #define ACPI_RSDP_CHECKSUM_LENGTH 20 |
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200 #define ACPI_RSDP_XCHECKSUM_LENGTH 36 |
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201 |
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202 /* SMBus bidirectional buffer size */ |
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203 |
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204 #define ACPI_SMBUS_BUFFER_SIZE 34 |
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205 |
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206 /****************************************************************************** |
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207 * |
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208 * ACPI AML Debugger |
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209 * |
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210 *****************************************************************************/ |
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211 |
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212 #define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */ |
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213 |
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214 #define ACPI_DEBUGGER_COMMAND_PROMPT '-' |
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215 #define ACPI_DEBUGGER_EXECUTE_PROMPT '%' |
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216 |
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217 #endif /* _ACCONFIG_H */ |