arch/x86/include/sys/acpi/amlcode.h

   1 /******************************************************************************
   2  *
   3  * Name: amlcode.h - Definitions for AML, as included in "definition blocks"
   4  *                   Declarations and definitions contained herein are derived
   5  *                   directly from the ACPI specification.
   6  *
   7  *****************************************************************************/
   8
   9 /*
  10  * Copyright (C) 2000 - 2016, Intel Corp.
  11  * All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions, and the following disclaimer,
  18  *    without modification.
  19  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  20  *    substantially similar to the "NO WARRANTY" disclaimer below
  21  *    ("Disclaimer") and any redistribution must be conditioned upon
  22  *    including a substantially similar Disclaimer requirement for further
  23  *    binary redistribution.
  24  * 3. Neither the names of the above-listed copyright holders nor the names
  25  *    of any contributors may be used to endorse or promote products derived
  26  *    from this software without specific prior written permission.
  27  *
  28  * Alternatively, this software may be distributed under the terms of the
  29  * GNU General Public License ("GPL") version 2 as published by the Free
  30  * Software Foundation.
  31  *
  32  * NO WARRANTY
  33  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  34  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  35  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  36  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  37  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  38  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  39  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  41  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  42  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  43  * POSSIBILITY OF SUCH DAMAGES.
  44  */
  45
  46 #ifndef __AMLCODE_H__
  47 #define __AMLCODE_H__
  48
  49 /* primary opcodes */
  50
  51 #define AML_NULL_CHAR               (UINT16) 0x00
  52
  53 #define AML_ZERO_OP                 (UINT16) 0x00
  54 #define AML_ONE_OP                  (UINT16) 0x01
  55 #define AML_UNASSIGNED              (UINT16) 0x02
  56 #define AML_ALIAS_OP                (UINT16) 0x06
  57 #define AML_NAME_OP                 (UINT16) 0x08
  58 #define AML_BYTE_OP                 (UINT16) 0x0a
  59 #define AML_WORD_OP                 (UINT16) 0x0b
  60 #define AML_DWORD_OP                (UINT16) 0x0c
  61 #define AML_STRING_OP               (UINT16) 0x0d
  62 #define AML_QWORD_OP                (UINT16) 0x0e     /* ACPI 2.0 */
  63 #define AML_SCOPE_OP                (UINT16) 0x10
  64 #define AML_BUFFER_OP               (UINT16) 0x11
  65 #define AML_PACKAGE_OP              (UINT16) 0x12
  66 #define AML_VAR_PACKAGE_OP          (UINT16) 0x13     /* ACPI 2.0 */
  67 #define AML_METHOD_OP               (UINT16) 0x14
  68 #define AML_EXTERNAL_OP             (UINT16) 0x15     /* ACPI 6.0 */
  69 #define AML_DUAL_NAME_PREFIX        (UINT16) 0x2e
  70 #define AML_MULTI_NAME_PREFIX_OP    (UINT16) 0x2f
  71 #define AML_NAME_CHAR_SUBSEQ        (UINT16) 0x30
  72 #define AML_NAME_CHAR_FIRST         (UINT16) 0x41
  73 #define AML_EXTENDED_OP_PREFIX      (UINT16) 0x5b
  74 #define AML_ROOT_PREFIX             (UINT16) 0x5c
  75 #define AML_PARENT_PREFIX           (UINT16) 0x5e
  76 #define AML_LOCAL_OP                (UINT16) 0x60
  77 #define AML_LOCAL0                  (UINT16) 0x60
  78 #define AML_LOCAL1                  (UINT16) 0x61
  79 #define AML_LOCAL2                  (UINT16) 0x62
  80 #define AML_LOCAL3                  (UINT16) 0x63
  81 #define AML_LOCAL4                  (UINT16) 0x64
  82 #define AML_LOCAL5                  (UINT16) 0x65
  83 #define AML_LOCAL6                  (UINT16) 0x66
  84 #define AML_LOCAL7                  (UINT16) 0x67
  85 #define AML_ARG_OP                  (UINT16) 0x68
  86 #define AML_ARG0                    (UINT16) 0x68
  87 #define AML_ARG1                    (UINT16) 0x69
  88 #define AML_ARG2                    (UINT16) 0x6a
  89 #define AML_ARG3                    (UINT16) 0x6b
  90 #define AML_ARG4                    (UINT16) 0x6c
  91 #define AML_ARG5                    (UINT16) 0x6d
  92 #define AML_ARG6                    (UINT16) 0x6e
  93 #define AML_STORE_OP                (UINT16) 0x70
  94 #define AML_REF_OF_OP               (UINT16) 0x71
  95 #define AML_ADD_OP                  (UINT16) 0x72
  96 #define AML_CONCAT_OP               (UINT16) 0x73
  97 #define AML_SUBTRACT_OP             (UINT16) 0x74
  98 #define AML_INCREMENT_OP            (UINT16) 0x75
  99 #define AML_DECREMENT_OP            (UINT16) 0x76
 100 #define AML_MULTIPLY_OP             (UINT16) 0x77
 101 #define AML_DIVIDE_OP               (UINT16) 0x78
 102 #define AML_SHIFT_LEFT_OP           (UINT16) 0x79
 103 #define AML_SHIFT_RIGHT_OP          (UINT16) 0x7a
 104 #define AML_BIT_AND_OP              (UINT16) 0x7b
 105 #define AML_BIT_NAND_OP             (UINT16) 0x7c
 106 #define AML_BIT_OR_OP               (UINT16) 0x7d
 107 #define AML_BIT_NOR_OP              (UINT16) 0x7e
 108 #define AML_BIT_XOR_OP              (UINT16) 0x7f
 109 #define AML_BIT_NOT_OP              (UINT16) 0x80
 110 #define AML_FIND_SET_LEFT_BIT_OP    (UINT16) 0x81
 111 #define AML_FIND_SET_RIGHT_BIT_OP   (UINT16) 0x82
 112 #define AML_DEREF_OF_OP             (UINT16) 0x83
 113 #define AML_CONCAT_RES_OP           (UINT16) 0x84     /* ACPI 2.0 */
 114 #define AML_MOD_OP                  (UINT16) 0x85     /* ACPI 2.0 */
 115 #define AML_NOTIFY_OP               (UINT16) 0x86
 116 #define AML_SIZE_OF_OP              (UINT16) 0x87
 117 #define AML_INDEX_OP                (UINT16) 0x88
 118 #define AML_MATCH_OP                (UINT16) 0x89
 119 #define AML_CREATE_DWORD_FIELD_OP   (UINT16) 0x8a
 120 #define AML_CREATE_WORD_FIELD_OP    (UINT16) 0x8b
 121 #define AML_CREATE_BYTE_FIELD_OP    (UINT16) 0x8c
 122 #define AML_CREATE_BIT_FIELD_OP     (UINT16) 0x8d
 123 #define AML_OBJECT_TYPE_OP          (UINT16) 0x8e
 124 #define AML_CREATE_QWORD_FIELD_OP   (UINT16) 0x8f     /* ACPI 2.0 */
 125 #define AML_LAND_OP                 (UINT16) 0x90
 126 #define AML_LOR_OP                  (UINT16) 0x91
 127 #define AML_LNOT_OP                 (UINT16) 0x92
 128 #define AML_LEQUAL_OP               (UINT16) 0x93
 129 #define AML_LGREATER_OP             (UINT16) 0x94
 130 #define AML_LLESS_OP                (UINT16) 0x95
 131 #define AML_TO_BUFFER_OP            (UINT16) 0x96     /* ACPI 2.0 */
 132 #define AML_TO_DECSTRING_OP         (UINT16) 0x97     /* ACPI 2.0 */
 133 #define AML_TO_HEXSTRING_OP         (UINT16) 0x98     /* ACPI 2.0 */
 134 #define AML_TO_INTEGER_OP           (UINT16) 0x99     /* ACPI 2.0 */
 135 #define AML_TO_STRING_OP            (UINT16) 0x9c     /* ACPI 2.0 */
 136 #define AML_COPY_OP                 (UINT16) 0x9d     /* ACPI 2.0 */
 137 #define AML_MID_OP                  (UINT16) 0x9e     /* ACPI 2.0 */
 138 #define AML_CONTINUE_OP             (UINT16) 0x9f     /* ACPI 2.0 */
 139 #define AML_IF_OP                   (UINT16) 0xa0
 140 #define AML_ELSE_OP                 (UINT16) 0xa1
 141 #define AML_WHILE_OP                (UINT16) 0xa2
 142 #define AML_NOOP_OP                 (UINT16) 0xa3
 143 #define AML_RETURN_OP               (UINT16) 0xa4
 144 #define AML_BREAK_OP                (UINT16) 0xa5
 145 #define AML_BREAK_POINT_OP          (UINT16) 0xcc
 146 #define AML_ONES_OP                 (UINT16) 0xff
 147
 148 /* prefixed opcodes */
 149
 150 #define AML_EXTENDED_OPCODE         (UINT16) 0x5b00     /* prefix for 2-byte opcodes */
 151
 152 #define AML_MUTEX_OP                (UINT16) 0x5b01
 153 #define AML_EVENT_OP                (UINT16) 0x5b02
 154 #define AML_SHIFT_RIGHT_BIT_OP      (UINT16) 0x5b10
 155 #define AML_SHIFT_LEFT_BIT_OP       (UINT16) 0x5b11
 156 #define AML_COND_REF_OF_OP          (UINT16) 0x5b12
 157 #define AML_CREATE_FIELD_OP         (UINT16) 0x5b13
 158 #define AML_LOAD_TABLE_OP           (UINT16) 0x5b1f     /* ACPI 2.0 */
 159 #define AML_LOAD_OP                 (UINT16) 0x5b20
 160 #define AML_STALL_OP                (UINT16) 0x5b21
 161 #define AML_SLEEP_OP                (UINT16) 0x5b22
 162 #define AML_ACQUIRE_OP              (UINT16) 0x5b23
 163 #define AML_SIGNAL_OP               (UINT16) 0x5b24
 164 #define AML_WAIT_OP                 (UINT16) 0x5b25
 165 #define AML_RESET_OP                (UINT16) 0x5b26
 166 #define AML_RELEASE_OP              (UINT16) 0x5b27
 167 #define AML_FROM_BCD_OP             (UINT16) 0x5b28
 168 #define AML_TO_BCD_OP               (UINT16) 0x5b29
 169 #define AML_UNLOAD_OP               (UINT16) 0x5b2a
 170 #define AML_REVISION_OP             (UINT16) 0x5b30
 171 #define AML_DEBUG_OP                (UINT16) 0x5b31
 172 #define AML_FATAL_OP                (UINT16) 0x5b32
 173 #define AML_TIMER_OP                (UINT16) 0x5b33     /* ACPI 3.0 */
 174 #define AML_REGION_OP               (UINT16) 0x5b80
 175 #define AML_FIELD_OP                (UINT16) 0x5b81
 176 #define AML_DEVICE_OP               (UINT16) 0x5b82
 177 #define AML_PROCESSOR_OP            (UINT16) 0x5b83
 178 #define AML_POWER_RES_OP            (UINT16) 0x5b84
 179 #define AML_THERMAL_ZONE_OP         (UINT16) 0x5b85
 180 #define AML_INDEX_FIELD_OP          (UINT16) 0x5b86
 181 #define AML_BANK_FIELD_OP           (UINT16) 0x5b87
 182 #define AML_DATA_REGION_OP          (UINT16) 0x5b88     /* ACPI 2.0 */
 183
 184
 185 /*
 186  * Combination opcodes (actually two one-byte opcodes)
 187  * Used by the disassembler and iASL compiler
 188  */
 189 #define AML_LGREATEREQUAL_OP        (UINT16) 0x9295
 190 #define AML_LLESSEQUAL_OP           (UINT16) 0x9294
 191 #define AML_LNOTEQUAL_OP            (UINT16) 0x9293
 192
 193
 194 /*
 195  * Opcodes for "Field" operators
 196  */
 197 #define AML_FIELD_OFFSET_OP         (UINT8) 0x00
 198 #define AML_FIELD_ACCESS_OP         (UINT8) 0x01
 199 #define AML_FIELD_CONNECTION_OP     (UINT8) 0x02        /* ACPI 5.0 */
 200 #define AML_FIELD_EXT_ACCESS_OP     (UINT8) 0x03        /* ACPI 5.0 */
 201
 202
 203 /*
 204  * Internal opcodes
 205  * Use only "Unknown" AML opcodes, don't attempt to use
 206  * any valid ACPI ASCII values (A-Z, 0-9, '-')
 207  */
 208 #define AML_INT_NAMEPATH_OP         (UINT16) 0x002d
 209 #define AML_INT_NAMEDFIELD_OP       (UINT16) 0x0030
 210 #define AML_INT_RESERVEDFIELD_OP    (UINT16) 0x0031
 211 #define AML_INT_ACCESSFIELD_OP      (UINT16) 0x0032
 212 #define AML_INT_BYTELIST_OP         (UINT16) 0x0033
 213 #define AML_INT_METHODCALL_OP       (UINT16) 0x0035
 214 #define AML_INT_RETURN_VALUE_OP     (UINT16) 0x0036
 215 #define AML_INT_EVAL_SUBTREE_OP     (UINT16) 0x0037
 216 #define AML_INT_CONNECTION_OP       (UINT16) 0x0038
 217 #define AML_INT_EXTACCESSFIELD_OP   (UINT16) 0x0039
 218
 219 #define ARG_NONE                    0x0
 220
 221 /*
 222  * Argument types for the AML Parser
 223  * Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
 224  * There can be up to 31 unique argument types
 225  * Zero is reserved as end-of-list indicator
 226  */
 227 #define ARGP_BYTEDATA               0x01
 228 #define ARGP_BYTELIST               0x02
 229 #define ARGP_CHARLIST               0x03
 230 #define ARGP_DATAOBJ                0x04
 231 #define ARGP_DATAOBJLIST            0x05
 232 #define ARGP_DWORDDATA              0x06
 233 #define ARGP_FIELDLIST              0x07
 234 #define ARGP_NAME                   0x08
 235 #define ARGP_NAMESTRING             0x09
 236 #define ARGP_OBJLIST                0x0A
 237 #define ARGP_PKGLENGTH              0x0B
 238 #define ARGP_SUPERNAME              0x0C
 239 #define ARGP_TARGET                 0x0D
 240 #define ARGP_TERMARG                0x0E
 241 #define ARGP_TERMLIST               0x0F
 242 #define ARGP_WORDDATA               0x10
 243 #define ARGP_QWORDDATA              0x11
 244 #define ARGP_SIMPLENAME             0x12 /* NameString | LocalTerm | ArgTerm */
 245 #define ARGP_NAME_OR_REF            0x13 /* For ObjectType only */
 246
 247 /*
 248  * Resolved argument types for the AML Interpreter
 249  * Each field in the ArgTypes UINT32 is 5 bits, allowing for a maximum of 6 arguments.
 250  * There can be up to 31 unique argument types (0 is end-of-arg-list indicator)
 251  *
 252  * Note1: These values are completely independent from the ACPI_TYPEs
 253  *        i.e., ARGI_INTEGER != ACPI_TYPE_INTEGER
 254  *
 255  * Note2: If and when 5 bits becomes insufficient, it would probably be best
 256  * to convert to a 6-byte array of argument types, allowing 8 bits per argument.
 257  */
 258
 259 /* Single, simple types */
 260
 261 #define ARGI_ANYTYPE                0x01    /* Don't care */
 262 #define ARGI_PACKAGE                0x02
 263 #define ARGI_EVENT                  0x03
 264 #define ARGI_MUTEX                  0x04
 265 #define ARGI_DDBHANDLE              0x05
 266
 267 /* Interchangeable types (via implicit conversion) */
 268
 269 #define ARGI_INTEGER                0x06
 270 #define ARGI_STRING                 0x07
 271 #define ARGI_BUFFER                 0x08
 272 #define ARGI_BUFFER_OR_STRING       0x09    /* Used by MID op only */
 273 #define ARGI_COMPUTEDATA            0x0A    /* Buffer, String, or Integer */
 274
 275 /* Reference objects */
 276
 277 #define ARGI_INTEGER_REF            0x0B
 278 #define ARGI_OBJECT_REF             0x0C
 279 #define ARGI_DEVICE_REF             0x0D
 280 #define ARGI_REFERENCE              0x0E
 281 #define ARGI_TARGETREF              0x0F    /* Target, subject to implicit conversion */
 282 #define ARGI_FIXED_TARGET           0x10    /* Target, no implicit conversion */
 283 #define ARGI_SIMPLE_TARGET          0x11    /* Name, Local, Arg -- no implicit conversion */
 284 #define ARGI_STORE_TARGET           0x12    /* Target for store is TARGETREF + package objects */
 285
 286 /* Multiple/complex types */
 287
 288 #define ARGI_DATAOBJECT             0x13    /* Buffer, String, package or reference to a Node - Used only by SizeOf operator*/
 289 #define ARGI_COMPLEXOBJ             0x14    /* Buffer, String, or package (Used by INDEX op only) */
 290 #define ARGI_REF_OR_STRING          0x15    /* Reference or String (Used by DEREFOF op only) */
 291 #define ARGI_REGION_OR_BUFFER       0x16    /* Used by LOAD op only */
 292 #define ARGI_DATAREFOBJ             0x17
 293
 294 /* Note: types above can expand to 0x1F maximum */
 295
 296 #define ARGI_INVALID_OPCODE         0xFFFFFFFF
 297
 298
 299 /*
 300  * hash offsets
 301  */
 302 #define AML_EXTOP_HASH_OFFSET       22
 303 #define AML_LNOT_HASH_OFFSET        19
 304
 305
 306 /*
 307  * opcode groups and types
 308  */
 309 #define OPGRP_NAMED                 0x01
 310 #define OPGRP_FIELD                 0x02
 311 #define OPGRP_BYTELIST              0x04
 312
 313
 314 /*
 315  * Opcode information
 316  */
 317
 318 /* Opcode flags */
 319
 320 #define AML_LOGICAL                 0x0001
 321 #define AML_LOGICAL_NUMERIC         0x0002
 322 #define AML_MATH                    0x0004
 323 #define AML_CREATE                  0x0008
 324 #define AML_FIELD                   0x0010
 325 #define AML_DEFER                   0x0020
 326 #define AML_NAMED                   0x0040
 327 #define AML_NSNODE                  0x0080
 328 #define AML_NSOPCODE                0x0100
 329 #define AML_NSOBJECT                0x0200
 330 #define AML_HAS_RETVAL              0x0400
 331 #define AML_HAS_TARGET              0x0800
 332 #define AML_HAS_ARGS                0x1000
 333 #define AML_CONSTANT                0x2000
 334 #define AML_NO_OPERAND_RESOLVE      0x4000
 335
 336 /* Convenient flag groupings */
 337
 338 #define AML_FLAGS_EXEC_0A_0T_1R                                     AML_HAS_RETVAL
 339 #define AML_FLAGS_EXEC_1A_0T_0R     AML_HAS_ARGS                                   /* Monadic1  */
 340 #define AML_FLAGS_EXEC_1A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL /* Monadic2  */
 341 #define AML_FLAGS_EXEC_1A_1T_0R     AML_HAS_ARGS | AML_HAS_TARGET
 342 #define AML_FLAGS_EXEC_1A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* Monadic2R */
 343 #define AML_FLAGS_EXEC_2A_0T_0R     AML_HAS_ARGS                                   /* Dyadic1   */
 344 #define AML_FLAGS_EXEC_2A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL /* Dyadic2   */
 345 #define AML_FLAGS_EXEC_2A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL /* Dyadic2R  */
 346 #define AML_FLAGS_EXEC_2A_2T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
 347 #define AML_FLAGS_EXEC_3A_0T_0R     AML_HAS_ARGS
 348 #define AML_FLAGS_EXEC_3A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
 349 #define AML_FLAGS_EXEC_6A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL
 350
 351
 352 /*
 353  * The opcode Type is used in a dispatch table, do not change
 354  * without updating the table.
 355  */
 356 #define AML_TYPE_EXEC_0A_0T_1R      0x00
 357 #define AML_TYPE_EXEC_1A_0T_0R      0x01 /* Monadic1  */
 358 #define AML_TYPE_EXEC_1A_0T_1R      0x02 /* Monadic2  */
 359 #define AML_TYPE_EXEC_1A_1T_0R      0x03
 360 #define AML_TYPE_EXEC_1A_1T_1R      0x04 /* Monadic2R */
 361 #define AML_TYPE_EXEC_2A_0T_0R      0x05 /* Dyadic1   */
 362 #define AML_TYPE_EXEC_2A_0T_1R      0x06 /* Dyadic2   */
 363 #define AML_TYPE_EXEC_2A_1T_1R      0x07 /* Dyadic2R  */
 364 #define AML_TYPE_EXEC_2A_2T_1R      0x08
 365 #define AML_TYPE_EXEC_3A_0T_0R      0x09
 366 #define AML_TYPE_EXEC_3A_1T_1R      0x0A
 367 #define AML_TYPE_EXEC_6A_0T_1R      0x0B
 368 /* End of types used in dispatch table */
 369
 370 #define AML_TYPE_LITERAL            0x0B
 371 #define AML_TYPE_CONSTANT           0x0C
 372 #define AML_TYPE_METHOD_ARGUMENT    0x0D
 373 #define AML_TYPE_LOCAL_VARIABLE     0x0E
 374 #define AML_TYPE_DATA_TERM          0x0F
 375
 376 /* Generic for an op that returns a value */
 377
 378 #define AML_TYPE_METHOD_CALL        0x10
 379
 380 /* Misc */
 381
 382 #define AML_TYPE_CREATE_FIELD       0x11
 383 #define AML_TYPE_CREATE_OBJECT      0x12
 384 #define AML_TYPE_CONTROL            0x13
 385 #define AML_TYPE_NAMED_NO_OBJ       0x14
 386 #define AML_TYPE_NAMED_FIELD        0x15
 387 #define AML_TYPE_NAMED_SIMPLE       0x16
 388 #define AML_TYPE_NAMED_COMPLEX      0x17
 389 #define AML_TYPE_RETURN             0x18
 390
 391 #define AML_TYPE_UNDEFINED          0x19
 392 #define AML_TYPE_BOGUS              0x1A
 393
 394 /* AML Package Length encodings */
 395
 396 #define ACPI_AML_PACKAGE_TYPE1      0x40
 397 #define ACPI_AML_PACKAGE_TYPE2      0x4000
 398 #define ACPI_AML_PACKAGE_TYPE3      0x400000
 399 #define ACPI_AML_PACKAGE_TYPE4      0x40000000
 400
 401 /*
 402  * Opcode classes
 403  */
 404 #define AML_CLASS_EXECUTE           0x00
 405 #define AML_CLASS_CREATE            0x01
 406 #define AML_CLASS_ARGUMENT          0x02
 407 #define AML_CLASS_NAMED_OBJECT      0x03
 408 #define AML_CLASS_CONTROL           0x04
 409 #define AML_CLASS_ASCII             0x05
 410 #define AML_CLASS_PREFIX            0x06
 411 #define AML_CLASS_INTERNAL          0x07
 412 #define AML_CLASS_RETURN_VALUE      0x08
 413 #define AML_CLASS_METHOD_CALL       0x09
 414 #define AML_CLASS_UNKNOWN           0x0A
 415
 416
 417 /* Comparison operation codes for MatchOp operator */
 418
 419 typedef enum
 420 {
 421     MATCH_MTR                       = 0,
 422     MATCH_MEQ                       = 1,
 423     MATCH_MLE                       = 2,
 424     MATCH_MLT                       = 3,
 425     MATCH_MGE                       = 4,
 426     MATCH_MGT                       = 5
 427
 428 } AML_MATCH_OPERATOR;
 429
 430 #define MAX_MATCH_OPERATOR          5
 431
 432
 433 /*
 434  * FieldFlags
 435  *
 436  * This byte is extracted from the AML and includes three separate
 437  * pieces of information about the field:
 438  * 1) The field access type
 439  * 2) The field update rule
 440  * 3) The lock rule for the field
 441  *
 442  * Bits 00 - 03 : AccessType (AnyAcc, ByteAcc, etc.)
 443  *      04      : LockRule (1 == Lock)
 444  *      05 - 06 : UpdateRule
 445  */
 446 #define AML_FIELD_ACCESS_TYPE_MASK  0x0F
 447 #define AML_FIELD_LOCK_RULE_MASK    0x10
 448 #define AML_FIELD_UPDATE_RULE_MASK  0x60
 449
 450
 451 /* 1) Field Access Types */
 452
 453 typedef enum
 454 {
 455     AML_FIELD_ACCESS_ANY            = 0x00,
 456     AML_FIELD_ACCESS_BYTE           = 0x01,
 457     AML_FIELD_ACCESS_WORD           = 0x02,
 458     AML_FIELD_ACCESS_DWORD          = 0x03,
 459     AML_FIELD_ACCESS_QWORD          = 0x04,    /* ACPI 2.0 */
 460     AML_FIELD_ACCESS_BUFFER         = 0x05     /* ACPI 2.0 */
 461
 462 } AML_ACCESS_TYPE;
 463
 464
 465 /* 2) Field Lock Rules */
 466
 467 typedef enum
 468 {
 469     AML_FIELD_LOCK_NEVER            = 0x00,
 470     AML_FIELD_LOCK_ALWAYS           = 0x10
 471
 472 } AML_LOCK_RULE;
 473
 474
 475 /* 3) Field Update Rules */
 476
 477 typedef enum
 478 {
 479     AML_FIELD_UPDATE_PRESERVE       = 0x00,
 480     AML_FIELD_UPDATE_WRITE_AS_ONES  = 0x20,
 481     AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0x40
 482
 483 } AML_UPDATE_RULE;
 484
 485
 486 /*
 487  * Field Access Attributes.
 488  * This byte is extracted from the AML via the
 489  * AccessAs keyword
 490  */
 491 typedef enum
 492 {
 493     AML_FIELD_ATTRIB_QUICK          = 0x02,
 494     AML_FIELD_ATTRIB_SEND_RCV       = 0x04,
 495     AML_FIELD_ATTRIB_BYTE           = 0x06,
 496     AML_FIELD_ATTRIB_WORD           = 0x08,
 497     AML_FIELD_ATTRIB_BLOCK          = 0x0A,
 498     AML_FIELD_ATTRIB_MULTIBYTE      = 0x0B,
 499     AML_FIELD_ATTRIB_WORD_CALL      = 0x0C,
 500     AML_FIELD_ATTRIB_BLOCK_CALL     = 0x0D,
 501     AML_FIELD_ATTRIB_RAW_BYTES      = 0x0E,
 502     AML_FIELD_ATTRIB_RAW_PROCESS    = 0x0F
 503
 504 } AML_ACCESS_ATTRIBUTE;
 505
 506
 507 /* Bit fields in the AML MethodFlags byte */
 508
 509 #define AML_METHOD_ARG_COUNT        0x07
 510 #define AML_METHOD_SERIALIZED       0x08
 511 #define AML_METHOD_SYNC_LEVEL       0xF0
 512
 513
 514 #endif /* __AMLCODE_H__ */