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434 | giacomo | 1 | /****************************************************************************** |
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 | |||
7 | /* |
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8 | * Copyright (C) 2000 - 2003, R. Byron Moore |
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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 | |||
44 | #ifndef _ACCONFIG_H |
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45 | #define _ACCONFIG_H |
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46 | |||
47 | |||
48 | /****************************************************************************** |
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49 | * |
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50 | * Configuration options |
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51 | * |
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52 | *****************************************************************************/ |
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53 | |||
54 | /* |
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55 | * ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the |
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56 | * ACPI subsystem. This includes the DEBUG_PRINT output |
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57 | * statements. When disabled, all DEBUG_PRINT |
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58 | * statements are compiled out. |
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59 | * |
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60 | * ACPI_APPLICATION - Use this switch if the subsystem is going to be run |
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61 | * at the application level. |
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62 | * |
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63 | */ |
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64 | |||
65 | /* Version string */ |
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66 | |||
67 | #define ACPI_CA_VERSION 0x20031002 |
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68 | |||
69 | /* Maximum objects in the various object caches */ |
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70 | |||
71 | #define ACPI_MAX_STATE_CACHE_DEPTH 64 /* State objects for stacks */ |
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72 | #define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */ |
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73 | #define ACPI_MAX_EXTPARSE_CACHE_DEPTH 64 /* Parse tree objects */ |
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74 | #define ACPI_MAX_OBJECT_CACHE_DEPTH 64 /* Interpreter operand objects */ |
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75 | #define ACPI_MAX_WALK_CACHE_DEPTH 4 /* Objects for parse tree walks */ |
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76 | |||
77 | /* |
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78 | * Should the subystem abort the loading of an ACPI table if the |
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79 | * table checksum is incorrect? |
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80 | */ |
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81 | #define ACPI_CHECKSUM_ABORT FALSE |
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82 | |||
83 | |||
84 | /****************************************************************************** |
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85 | * |
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86 | * Subsystem Constants |
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87 | * |
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88 | *****************************************************************************/ |
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89 | |||
90 | /* Version of ACPI supported */ |
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91 | |||
92 | #define ACPI_CA_SUPPORT_LEVEL 2 |
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93 | |||
94 | /* String size constants */ |
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95 | |||
96 | #define ACPI_MAX_STRING_LENGTH 512 |
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97 | #define ACPI_PATHNAME_MAX 256 /* A full namespace pathname */ |
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98 | |||
99 | /* Maximum count for a semaphore object */ |
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100 | |||
101 | #define ACPI_MAX_SEMAPHORE_COUNT 256 |
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102 | |||
103 | /* Max reference count (for debug only) */ |
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104 | |||
105 | #define ACPI_MAX_REFERENCE_COUNT 0x400 |
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106 | |||
107 | /* Size of cached memory mapping for system memory operation region */ |
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108 | |||
109 | #define ACPI_SYSMEM_REGION_WINDOW_SIZE 4096 |
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110 | |||
111 | |||
112 | /****************************************************************************** |
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113 | * |
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114 | * ACPI Specification constants (Do not change unless the specification changes) |
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115 | * |
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116 | *****************************************************************************/ |
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117 | |||
118 | /* Number of distinct GPE register blocks and register width */ |
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119 | |||
120 | #define ACPI_MAX_GPE_BLOCKS 2 |
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121 | #define ACPI_GPE_REGISTER_WIDTH 8 |
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122 | |||
123 | /* |
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124 | * Method info (in WALK_STATE), containing local variables and argumetns |
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125 | */ |
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126 | #define ACPI_METHOD_NUM_LOCALS 8 |
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127 | #define ACPI_METHOD_MAX_LOCAL 7 |
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128 | |||
129 | #define ACPI_METHOD_NUM_ARGS 7 |
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130 | #define ACPI_METHOD_MAX_ARG 6 |
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131 | |||
132 | /* Maximum length of resulting string when converting from a buffer */ |
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133 | |||
134 | #define ACPI_MAX_STRING_CONVERSION 200 |
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135 | |||
136 | /* Length of _HID, _UID, and _CID values */ |
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137 | |||
138 | #define ACPI_DEVICE_ID_LENGTH 0x09 |
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139 | #define ACPI_MAX_CID_LENGTH 48 |
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140 | |||
141 | /* |
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142 | * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG |
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143 | */ |
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144 | #define ACPI_OBJ_NUM_OPERANDS 8 |
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145 | #define ACPI_OBJ_MAX_OPERAND 7 |
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146 | |||
147 | /* Names within the namespace are 4 bytes long */ |
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148 | |||
149 | #define ACPI_NAME_SIZE 4 |
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150 | #define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */ |
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151 | #define ACPI_PATH_SEPARATOR '.' |
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152 | |||
153 | /* Constants used in searching for the RSDP in low memory */ |
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154 | |||
155 | #define ACPI_LO_RSDP_WINDOW_BASE 0 /* Physical Address */ |
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156 | #define ACPI_HI_RSDP_WINDOW_BASE 0xE0000 /* Physical Address */ |
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157 | #define ACPI_LO_RSDP_WINDOW_SIZE 0x400 |
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158 | #define ACPI_HI_RSDP_WINDOW_SIZE 0x20000 |
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159 | #define ACPI_RSDP_SCAN_STEP 16 |
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160 | |||
161 | /* Operation regions */ |
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162 | |||
163 | #define ACPI_NUM_PREDEFINED_REGIONS 8 |
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164 | #define ACPI_USER_REGION_BEGIN 0x80 |
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165 | |||
166 | /* Maximum space_ids for Operation Regions */ |
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167 | |||
168 | #define ACPI_MAX_ADDRESS_SPACE 255 |
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169 | |||
170 | /* Array sizes. Used for range checking also */ |
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171 | |||
172 | #define ACPI_NUM_ACCESS_TYPES 6 |
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173 | #define ACPI_NUM_UPDATE_RULES 3 |
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174 | #define ACPI_NUM_LOCK_RULES 2 |
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175 | #define ACPI_NUM_MATCH_OPS 6 |
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176 | #define ACPI_NUM_OPCODES 256 |
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177 | #define ACPI_NUM_FIELD_NAMES 2 |
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178 | |||
179 | /* RSDP checksums */ |
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180 | |||
181 | #define ACPI_RSDP_CHECKSUM_LENGTH 20 |
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182 | #define ACPI_RSDP_XCHECKSUM_LENGTH 36 |
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183 | |||
184 | /* SMBus bidirectional buffer size */ |
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185 | |||
186 | #define ACPI_SMBUS_BUFFER_SIZE 34 |
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187 | |||
188 | |||
189 | /****************************************************************************** |
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190 | * |
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191 | * ACPI AML Debugger |
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192 | * |
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193 | *****************************************************************************/ |
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194 | |||
195 | #define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */ |
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196 | |||
197 | #define ACPI_DEBUGGER_COMMAND_PROMPT '-' |
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198 | #define ACPI_DEBUGGER_EXECUTE_PROMPT '%' |
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199 | |||
200 | |||
201 | #endif /* _ACCONFIG_H */ |
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202 |