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  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 - 2015, 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               (u16) 0x00
  52.  
  53. #define AML_ZERO_OP                 (u16) 0x00
  54. #define AML_ONE_OP                  (u16) 0x01
  55. #define AML_UNASSIGNED              (u16) 0x02
  56. #define AML_ALIAS_OP                (u16) 0x06
  57. #define AML_NAME_OP                 (u16) 0x08
  58. #define AML_BYTE_OP                 (u16) 0x0a
  59. #define AML_WORD_OP                 (u16) 0x0b
  60. #define AML_DWORD_OP                (u16) 0x0c
  61. #define AML_STRING_OP               (u16) 0x0d
  62. #define AML_QWORD_OP                (u16) 0x0e  /* ACPI 2.0 */
  63. #define AML_SCOPE_OP                (u16) 0x10
  64. #define AML_BUFFER_OP               (u16) 0x11
  65. #define AML_PACKAGE_OP              (u16) 0x12
  66. #define AML_VAR_PACKAGE_OP          (u16) 0x13  /* ACPI 2.0 */
  67. #define AML_METHOD_OP               (u16) 0x14
  68. #define AML_EXTERNAL_OP             (u16) 0x15  /* ACPI 6.0 */
  69. #define AML_DUAL_NAME_PREFIX        (u16) 0x2e
  70. #define AML_MULTI_NAME_PREFIX_OP    (u16) 0x2f
  71. #define AML_NAME_CHAR_SUBSEQ        (u16) 0x30
  72. #define AML_NAME_CHAR_FIRST         (u16) 0x41
  73. #define AML_EXTENDED_OP_PREFIX      (u16) 0x5b
  74. #define AML_ROOT_PREFIX             (u16) 0x5c
  75. #define AML_PARENT_PREFIX           (u16) 0x5e
  76. #define AML_LOCAL_OP                (u16) 0x60
  77. #define AML_LOCAL0                  (u16) 0x60
  78. #define AML_LOCAL1                  (u16) 0x61
  79. #define AML_LOCAL2                  (u16) 0x62
  80. #define AML_LOCAL3                  (u16) 0x63
  81. #define AML_LOCAL4                  (u16) 0x64
  82. #define AML_LOCAL5                  (u16) 0x65
  83. #define AML_LOCAL6                  (u16) 0x66
  84. #define AML_LOCAL7                  (u16) 0x67
  85. #define AML_ARG_OP                  (u16) 0x68
  86. #define AML_ARG0                    (u16) 0x68
  87. #define AML_ARG1                    (u16) 0x69
  88. #define AML_ARG2                    (u16) 0x6a
  89. #define AML_ARG3                    (u16) 0x6b
  90. #define AML_ARG4                    (u16) 0x6c
  91. #define AML_ARG5                    (u16) 0x6d
  92. #define AML_ARG6                    (u16) 0x6e
  93. #define AML_STORE_OP                (u16) 0x70
  94. #define AML_REF_OF_OP               (u16) 0x71
  95. #define AML_ADD_OP                  (u16) 0x72
  96. #define AML_CONCAT_OP               (u16) 0x73
  97. #define AML_SUBTRACT_OP             (u16) 0x74
  98. #define AML_INCREMENT_OP            (u16) 0x75
  99. #define AML_DECREMENT_OP            (u16) 0x76
  100. #define AML_MULTIPLY_OP             (u16) 0x77
  101. #define AML_DIVIDE_OP               (u16) 0x78
  102. #define AML_SHIFT_LEFT_OP           (u16) 0x79
  103. #define AML_SHIFT_RIGHT_OP          (u16) 0x7a
  104. #define AML_BIT_AND_OP              (u16) 0x7b
  105. #define AML_BIT_NAND_OP             (u16) 0x7c
  106. #define AML_BIT_OR_OP               (u16) 0x7d
  107. #define AML_BIT_NOR_OP              (u16) 0x7e
  108. #define AML_BIT_XOR_OP              (u16) 0x7f
  109. #define AML_BIT_NOT_OP              (u16) 0x80
  110. #define AML_FIND_SET_LEFT_BIT_OP    (u16) 0x81
  111. #define AML_FIND_SET_RIGHT_BIT_OP   (u16) 0x82
  112. #define AML_DEREF_OF_OP             (u16) 0x83
  113. #define AML_CONCAT_RES_OP           (u16) 0x84  /* ACPI 2.0 */
  114. #define AML_MOD_OP                  (u16) 0x85  /* ACPI 2.0 */
  115. #define AML_NOTIFY_OP               (u16) 0x86
  116. #define AML_SIZE_OF_OP              (u16) 0x87
  117. #define AML_INDEX_OP                (u16) 0x88
  118. #define AML_MATCH_OP                (u16) 0x89
  119. #define AML_CREATE_DWORD_FIELD_OP   (u16) 0x8a
  120. #define AML_CREATE_WORD_FIELD_OP    (u16) 0x8b
  121. #define AML_CREATE_BYTE_FIELD_OP    (u16) 0x8c
  122. #define AML_CREATE_BIT_FIELD_OP     (u16) 0x8d
  123. #define AML_TYPE_OP                 (u16) 0x8e
  124. #define AML_CREATE_QWORD_FIELD_OP   (u16) 0x8f  /* ACPI 2.0 */
  125. #define AML_LAND_OP                 (u16) 0x90
  126. #define AML_LOR_OP                  (u16) 0x91
  127. #define AML_LNOT_OP                 (u16) 0x92
  128. #define AML_LEQUAL_OP               (u16) 0x93
  129. #define AML_LGREATER_OP             (u16) 0x94
  130. #define AML_LLESS_OP                (u16) 0x95
  131. #define AML_TO_BUFFER_OP            (u16) 0x96  /* ACPI 2.0 */
  132. #define AML_TO_DECSTRING_OP         (u16) 0x97  /* ACPI 2.0 */
  133. #define AML_TO_HEXSTRING_OP         (u16) 0x98  /* ACPI 2.0 */
  134. #define AML_TO_INTEGER_OP           (u16) 0x99  /* ACPI 2.0 */
  135. #define AML_TO_STRING_OP            (u16) 0x9c  /* ACPI 2.0 */
  136. #define AML_COPY_OP                 (u16) 0x9d  /* ACPI 2.0 */
  137. #define AML_MID_OP                  (u16) 0x9e  /* ACPI 2.0 */
  138. #define AML_CONTINUE_OP             (u16) 0x9f  /* ACPI 2.0 */
  139. #define AML_IF_OP                   (u16) 0xa0
  140. #define AML_ELSE_OP                 (u16) 0xa1
  141. #define AML_WHILE_OP                (u16) 0xa2
  142. #define AML_NOOP_OP                 (u16) 0xa3
  143. #define AML_RETURN_OP               (u16) 0xa4
  144. #define AML_BREAK_OP                (u16) 0xa5
  145. #define AML_BREAK_POINT_OP          (u16) 0xcc
  146. #define AML_ONES_OP                 (u16) 0xff
  147.  
  148. /* prefixed opcodes */
  149.  
  150. #define AML_EXTENDED_OPCODE         (u16) 0x5b00        /* prefix for 2-byte opcodes */
  151.  
  152. #define AML_MUTEX_OP                (u16) 0x5b01
  153. #define AML_EVENT_OP                (u16) 0x5b02
  154. #define AML_SHIFT_RIGHT_BIT_OP      (u16) 0x5b10
  155. #define AML_SHIFT_LEFT_BIT_OP       (u16) 0x5b11
  156. #define AML_COND_REF_OF_OP          (u16) 0x5b12
  157. #define AML_CREATE_FIELD_OP         (u16) 0x5b13
  158. #define AML_LOAD_TABLE_OP           (u16) 0x5b1f        /* ACPI 2.0 */
  159. #define AML_LOAD_OP                 (u16) 0x5b20
  160. #define AML_STALL_OP                (u16) 0x5b21
  161. #define AML_SLEEP_OP                (u16) 0x5b22
  162. #define AML_ACQUIRE_OP              (u16) 0x5b23
  163. #define AML_SIGNAL_OP               (u16) 0x5b24
  164. #define AML_WAIT_OP                 (u16) 0x5b25
  165. #define AML_RESET_OP                (u16) 0x5b26
  166. #define AML_RELEASE_OP              (u16) 0x5b27
  167. #define AML_FROM_BCD_OP             (u16) 0x5b28
  168. #define AML_TO_BCD_OP               (u16) 0x5b29
  169. #define AML_UNLOAD_OP               (u16) 0x5b2a
  170. #define AML_REVISION_OP             (u16) 0x5b30
  171. #define AML_DEBUG_OP                (u16) 0x5b31
  172. #define AML_FATAL_OP                (u16) 0x5b32
  173. #define AML_TIMER_OP                (u16) 0x5b33        /* ACPI 3.0 */
  174. #define AML_REGION_OP               (u16) 0x5b80
  175. #define AML_FIELD_OP                (u16) 0x5b81
  176. #define AML_DEVICE_OP               (u16) 0x5b82
  177. #define AML_PROCESSOR_OP            (u16) 0x5b83
  178. #define AML_POWER_RES_OP            (u16) 0x5b84
  179. #define AML_THERMAL_ZONE_OP         (u16) 0x5b85
  180. #define AML_INDEX_FIELD_OP          (u16) 0x5b86
  181. #define AML_BANK_FIELD_OP           (u16) 0x5b87
  182. #define AML_DATA_REGION_OP          (u16) 0x5b88        /* ACPI 2.0 */
  183.  
  184. /*
  185.  * Combination opcodes (actually two one-byte opcodes)
  186.  * Used by the disassembler and iASL compiler
  187.  */
  188. #define AML_LGREATEREQUAL_OP        (u16) 0x9295
  189. #define AML_LLESSEQUAL_OP           (u16) 0x9294
  190. #define AML_LNOTEQUAL_OP            (u16) 0x9293
  191.  
  192. /*
  193.  * Opcodes for "Field" operators
  194.  */
  195. #define AML_FIELD_OFFSET_OP         (u8) 0x00
  196. #define AML_FIELD_ACCESS_OP         (u8) 0x01
  197. #define AML_FIELD_CONNECTION_OP     (u8) 0x02   /* ACPI 5.0 */
  198. #define AML_FIELD_EXT_ACCESS_OP     (u8) 0x03   /* ACPI 5.0 */
  199.  
  200. /*
  201.  * Internal opcodes
  202.  * Use only "Unknown" AML opcodes, don't attempt to use
  203.  * any valid ACPI ASCII values (A-Z, 0-9, '-')
  204.  */
  205. #define AML_INT_NAMEPATH_OP         (u16) 0x002d
  206. #define AML_INT_NAMEDFIELD_OP       (u16) 0x0030
  207. #define AML_INT_RESERVEDFIELD_OP    (u16) 0x0031
  208. #define AML_INT_ACCESSFIELD_OP      (u16) 0x0032
  209. #define AML_INT_BYTELIST_OP         (u16) 0x0033
  210. #define AML_INT_METHODCALL_OP       (u16) 0x0035
  211. #define AML_INT_RETURN_VALUE_OP     (u16) 0x0036
  212. #define AML_INT_EVAL_SUBTREE_OP     (u16) 0x0037
  213. #define AML_INT_CONNECTION_OP       (u16) 0x0038
  214. #define AML_INT_EXTACCESSFIELD_OP   (u16) 0x0039
  215.  
  216. #define ARG_NONE                    0x0
  217.  
  218. /*
  219.  * Argument types for the AML Parser
  220.  * Each field in the arg_types u32 is 5 bits, allowing for a maximum of 6 arguments.
  221.  * There can be up to 31 unique argument types
  222.  * Zero is reserved as end-of-list indicator
  223.  */
  224. #define ARGP_BYTEDATA               0x01
  225. #define ARGP_BYTELIST               0x02
  226. #define ARGP_CHARLIST               0x03
  227. #define ARGP_DATAOBJ                0x04
  228. #define ARGP_DATAOBJLIST            0x05
  229. #define ARGP_DWORDDATA              0x06
  230. #define ARGP_FIELDLIST              0x07
  231. #define ARGP_NAME                   0x08
  232. #define ARGP_NAMESTRING             0x09
  233. #define ARGP_OBJLIST                0x0A
  234. #define ARGP_PKGLENGTH              0x0B
  235. #define ARGP_SUPERNAME              0x0C
  236. #define ARGP_TARGET                 0x0D
  237. #define ARGP_TERMARG                0x0E
  238. #define ARGP_TERMLIST               0x0F
  239. #define ARGP_WORDDATA               0x10
  240. #define ARGP_QWORDDATA              0x11
  241. #define ARGP_SIMPLENAME             0x12
  242.  
  243. /*
  244.  * Resolved argument types for the AML Interpreter
  245.  * Each field in the arg_types u32 is 5 bits, allowing for a maximum of 6 arguments.
  246.  * There can be up to 31 unique argument types (0 is end-of-arg-list indicator)
  247.  *
  248.  * Note1: These values are completely independent from the ACPI_TYPEs
  249.  *        i.e., ARGI_INTEGER != ACPI_TYPE_INTEGER
  250.  *
  251.  * Note2: If and when 5 bits becomes insufficient, it would probably be best
  252.  * to convert to a 6-byte array of argument types, allowing 8 bits per argument.
  253.  */
  254.  
  255. /* Single, simple types */
  256.  
  257. #define ARGI_ANYTYPE                0x01        /* Don't care */
  258. #define ARGI_PACKAGE                0x02
  259. #define ARGI_EVENT                  0x03
  260. #define ARGI_MUTEX                  0x04
  261. #define ARGI_DDBHANDLE              0x05
  262.  
  263. /* Interchangeable types (via implicit conversion) */
  264.  
  265. #define ARGI_INTEGER                0x06
  266. #define ARGI_STRING                 0x07
  267. #define ARGI_BUFFER                 0x08
  268. #define ARGI_BUFFER_OR_STRING       0x09        /* Used by MID op only */
  269. #define ARGI_COMPUTEDATA            0x0A        /* Buffer, String, or Integer */
  270.  
  271. /* Reference objects */
  272.  
  273. #define ARGI_INTEGER_REF            0x0B
  274. #define ARGI_OBJECT_REF             0x0C
  275. #define ARGI_DEVICE_REF             0x0D
  276. #define ARGI_REFERENCE              0x0E
  277. #define ARGI_TARGETREF              0x0F        /* Target, subject to implicit conversion */
  278. #define ARGI_FIXED_TARGET           0x10        /* Target, no implicit conversion */
  279. #define ARGI_SIMPLE_TARGET          0x11        /* Name, Local, Arg -- no implicit conversion */
  280. #define ARGI_STORE_TARGET           0x12        /* Target for store is TARGETREF + package objects */
  281.  
  282. /* Multiple/complex types */
  283.  
  284. #define ARGI_DATAOBJECT             0x13        /* Buffer, String, package or reference to a node - Used only by size_of operator */
  285. #define ARGI_COMPLEXOBJ             0x14        /* Buffer, String, or package (Used by INDEX op only) */
  286. #define ARGI_REF_OR_STRING          0x15        /* Reference or String (Used by DEREFOF op only) */
  287. #define ARGI_REGION_OR_BUFFER       0x16        /* Used by LOAD op only */
  288. #define ARGI_DATAREFOBJ             0x17
  289.  
  290. /* Note: types above can expand to 0x1F maximum */
  291.  
  292. #define ARGI_INVALID_OPCODE         0xFFFFFFFF
  293.  
  294. /*
  295.  * hash offsets
  296.  */
  297. #define AML_EXTOP_HASH_OFFSET       22
  298. #define AML_LNOT_HASH_OFFSET        19
  299.  
  300. /*
  301.  * opcode groups and types
  302.  */
  303. #define OPGRP_NAMED                 0x01
  304. #define OPGRP_FIELD                 0x02
  305. #define OPGRP_BYTELIST              0x04
  306.  
  307. /*
  308.  * Opcode information
  309.  */
  310.  
  311. /* Opcode flags */
  312.  
  313. #define AML_LOGICAL                 0x0001
  314. #define AML_LOGICAL_NUMERIC         0x0002
  315. #define AML_MATH                    0x0004
  316. #define AML_CREATE                  0x0008
  317. #define AML_FIELD                   0x0010
  318. #define AML_DEFER                   0x0020
  319. #define AML_NAMED                   0x0040
  320. #define AML_NSNODE                  0x0080
  321. #define AML_NSOPCODE                0x0100
  322. #define AML_NSOBJECT                0x0200
  323. #define AML_HAS_RETVAL              0x0400
  324. #define AML_HAS_TARGET              0x0800
  325. #define AML_HAS_ARGS                0x1000
  326. #define AML_CONSTANT                0x2000
  327. #define AML_NO_OPERAND_RESOLVE      0x4000
  328.  
  329. /* Convenient flag groupings */
  330.  
  331. #define AML_FLAGS_EXEC_0A_0T_1R                                     AML_HAS_RETVAL
  332. #define AML_FLAGS_EXEC_1A_0T_0R     AML_HAS_ARGS        /* Monadic1  */
  333. #define AML_FLAGS_EXEC_1A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL      /* Monadic2  */
  334. #define AML_FLAGS_EXEC_1A_1T_0R     AML_HAS_ARGS | AML_HAS_TARGET
  335. #define AML_FLAGS_EXEC_1A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL      /* monadic2_r */
  336. #define AML_FLAGS_EXEC_2A_0T_0R     AML_HAS_ARGS        /* Dyadic1   */
  337. #define AML_FLAGS_EXEC_2A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL      /* Dyadic2   */
  338. #define AML_FLAGS_EXEC_2A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL      /* dyadic2_r  */
  339. #define AML_FLAGS_EXEC_2A_2T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
  340. #define AML_FLAGS_EXEC_3A_0T_0R     AML_HAS_ARGS
  341. #define AML_FLAGS_EXEC_3A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
  342. #define AML_FLAGS_EXEC_6A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL
  343.  
  344. /*
  345.  * The opcode Type is used in a dispatch table, do not change
  346.  * without updating the table.
  347.  */
  348. #define AML_TYPE_EXEC_0A_0T_1R      0x00
  349. #define AML_TYPE_EXEC_1A_0T_0R      0x01        /* Monadic1  */
  350. #define AML_TYPE_EXEC_1A_0T_1R      0x02        /* Monadic2  */
  351. #define AML_TYPE_EXEC_1A_1T_0R      0x03
  352. #define AML_TYPE_EXEC_1A_1T_1R      0x04        /* monadic2_r */
  353. #define AML_TYPE_EXEC_2A_0T_0R      0x05        /* Dyadic1   */
  354. #define AML_TYPE_EXEC_2A_0T_1R      0x06        /* Dyadic2   */
  355. #define AML_TYPE_EXEC_2A_1T_1R      0x07        /* dyadic2_r  */
  356. #define AML_TYPE_EXEC_2A_2T_1R      0x08
  357. #define AML_TYPE_EXEC_3A_0T_0R      0x09
  358. #define AML_TYPE_EXEC_3A_1T_1R      0x0A
  359. #define AML_TYPE_EXEC_6A_0T_1R      0x0B
  360. /* End of types used in dispatch table */
  361.  
  362. #define AML_TYPE_LITERAL            0x0B
  363. #define AML_TYPE_CONSTANT           0x0C
  364. #define AML_TYPE_METHOD_ARGUMENT    0x0D
  365. #define AML_TYPE_LOCAL_VARIABLE     0x0E
  366. #define AML_TYPE_DATA_TERM          0x0F
  367.  
  368. /* Generic for an op that returns a value */
  369.  
  370. #define AML_TYPE_METHOD_CALL        0x10
  371.  
  372. /* Misc */
  373.  
  374. #define AML_TYPE_CREATE_FIELD       0x11
  375. #define AML_TYPE_CREATE_OBJECT      0x12
  376. #define AML_TYPE_CONTROL            0x13
  377. #define AML_TYPE_NAMED_NO_OBJ       0x14
  378. #define AML_TYPE_NAMED_FIELD        0x15
  379. #define AML_TYPE_NAMED_SIMPLE       0x16
  380. #define AML_TYPE_NAMED_COMPLEX      0x17
  381. #define AML_TYPE_RETURN             0x18
  382.  
  383. #define AML_TYPE_UNDEFINED          0x19
  384. #define AML_TYPE_BOGUS              0x1A
  385.  
  386. /* AML Package Length encodings */
  387.  
  388. #define ACPI_AML_PACKAGE_TYPE1      0x40
  389. #define ACPI_AML_PACKAGE_TYPE2      0x4000
  390. #define ACPI_AML_PACKAGE_TYPE3      0x400000
  391. #define ACPI_AML_PACKAGE_TYPE4      0x40000000
  392.  
  393. /*
  394.  * Opcode classes
  395.  */
  396. #define AML_CLASS_EXECUTE           0x00
  397. #define AML_CLASS_CREATE            0x01
  398. #define AML_CLASS_ARGUMENT          0x02
  399. #define AML_CLASS_NAMED_OBJECT      0x03
  400. #define AML_CLASS_CONTROL           0x04
  401. #define AML_CLASS_ASCII             0x05
  402. #define AML_CLASS_PREFIX            0x06
  403. #define AML_CLASS_INTERNAL          0x07
  404. #define AML_CLASS_RETURN_VALUE      0x08
  405. #define AML_CLASS_METHOD_CALL       0x09
  406. #define AML_CLASS_UNKNOWN           0x0A
  407.  
  408. /* Comparison operation codes for match_op operator */
  409.  
  410. typedef enum {
  411.         MATCH_MTR = 0,
  412.         MATCH_MEQ = 1,
  413.         MATCH_MLE = 2,
  414.         MATCH_MLT = 3,
  415.         MATCH_MGE = 4,
  416.         MATCH_MGT = 5
  417. } AML_MATCH_OPERATOR;
  418.  
  419. #define MAX_MATCH_OPERATOR          5
  420.  
  421. /*
  422.  * field_flags
  423.  *
  424.  * This byte is extracted from the AML and includes three separate
  425.  * pieces of information about the field:
  426.  * 1) The field access type
  427.  * 2) The field update rule
  428.  * 3) The lock rule for the field
  429.  *
  430.  * Bits 00 - 03 : access_type (any_acc, byte_acc, etc.)
  431.  *      04      : lock_rule (1 == Lock)
  432.  *      05 - 06 : update_rule
  433.  */
  434. #define AML_FIELD_ACCESS_TYPE_MASK  0x0F
  435. #define AML_FIELD_LOCK_RULE_MASK    0x10
  436. #define AML_FIELD_UPDATE_RULE_MASK  0x60
  437.  
  438. /* 1) Field Access Types */
  439.  
  440. typedef enum {
  441.         AML_FIELD_ACCESS_ANY = 0x00,
  442.         AML_FIELD_ACCESS_BYTE = 0x01,
  443.         AML_FIELD_ACCESS_WORD = 0x02,
  444.         AML_FIELD_ACCESS_DWORD = 0x03,
  445.         AML_FIELD_ACCESS_QWORD = 0x04,  /* ACPI 2.0 */
  446.         AML_FIELD_ACCESS_BUFFER = 0x05  /* ACPI 2.0 */
  447. } AML_ACCESS_TYPE;
  448.  
  449. /* 2) Field Lock Rules */
  450.  
  451. typedef enum {
  452.         AML_FIELD_LOCK_NEVER = 0x00,
  453.         AML_FIELD_LOCK_ALWAYS = 0x10
  454. } AML_LOCK_RULE;
  455.  
  456. /* 3) Field Update Rules */
  457.  
  458. typedef enum {
  459.         AML_FIELD_UPDATE_PRESERVE = 0x00,
  460.         AML_FIELD_UPDATE_WRITE_AS_ONES = 0x20,
  461.         AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0x40
  462. } AML_UPDATE_RULE;
  463.  
  464. /*
  465.  * Field Access Attributes.
  466.  * This byte is extracted from the AML via the
  467.  * access_as keyword
  468.  */
  469. typedef enum {
  470.         AML_FIELD_ATTRIB_QUICK = 0x02,
  471.         AML_FIELD_ATTRIB_SEND_RCV = 0x04,
  472.         AML_FIELD_ATTRIB_BYTE = 0x06,
  473.         AML_FIELD_ATTRIB_WORD = 0x08,
  474.         AML_FIELD_ATTRIB_BLOCK = 0x0A,
  475.         AML_FIELD_ATTRIB_MULTIBYTE = 0x0B,
  476.         AML_FIELD_ATTRIB_WORD_CALL = 0x0C,
  477.         AML_FIELD_ATTRIB_BLOCK_CALL = 0x0D,
  478.         AML_FIELD_ATTRIB_RAW_BYTES = 0x0E,
  479.         AML_FIELD_ATTRIB_RAW_PROCESS = 0x0F
  480. } AML_ACCESS_ATTRIBUTE;
  481.  
  482. /* Bit fields in the AML method_flags byte */
  483.  
  484. #define AML_METHOD_ARG_COUNT        0x07
  485. #define AML_METHOD_SERIALIZED       0x08
  486. #define AML_METHOD_SYNC_LEVEL       0xF0
  487.  
  488. #endif                          /* __AMLCODE_H__ */
  489.