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 - 2012, 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_DUAL_NAME_PREFIX        (u16) 0x2e
69 #define AML_MULTI_NAME_PREFIX_OP    (u16) 0x2f
70 #define AML_NAME_CHAR_SUBSEQ        (u16) 0x30
71 #define AML_NAME_CHAR_FIRST         (u16) 0x41
72 #define AML_EXTENDED_OP_PREFIX      (u16) 0x5b
73 #define AML_ROOT_PREFIX             (u16) 0x5c
74 #define AML_PARENT_PREFIX           (u16) 0x5e
75 #define AML_LOCAL_OP                (u16) 0x60
76 #define AML_LOCAL0                  (u16) 0x60
77 #define AML_LOCAL1                  (u16) 0x61
78 #define AML_LOCAL2                  (u16) 0x62
79 #define AML_LOCAL3                  (u16) 0x63
80 #define AML_LOCAL4                  (u16) 0x64
81 #define AML_LOCAL5                  (u16) 0x65
82 #define AML_LOCAL6                  (u16) 0x66
83 #define AML_LOCAL7                  (u16) 0x67
84 #define AML_ARG_OP                  (u16) 0x68
85 #define AML_ARG0                    (u16) 0x68
86 #define AML_ARG1                    (u16) 0x69
87 #define AML_ARG2                    (u16) 0x6a
88 #define AML_ARG3                    (u16) 0x6b
89 #define AML_ARG4                    (u16) 0x6c
90 #define AML_ARG5                    (u16) 0x6d
91 #define AML_ARG6                    (u16) 0x6e
92 #define AML_STORE_OP                (u16) 0x70
93 #define AML_REF_OF_OP               (u16) 0x71
94 #define AML_ADD_OP                  (u16) 0x72
95 #define AML_CONCAT_OP               (u16) 0x73
96 #define AML_SUBTRACT_OP             (u16) 0x74
97 #define AML_INCREMENT_OP            (u16) 0x75
98 #define AML_DECREMENT_OP            (u16) 0x76
99 #define AML_MULTIPLY_OP             (u16) 0x77
100 #define AML_DIVIDE_OP               (u16) 0x78
101 #define AML_SHIFT_LEFT_OP           (u16) 0x79
102 #define AML_SHIFT_RIGHT_OP          (u16) 0x7a
103 #define AML_BIT_AND_OP              (u16) 0x7b
104 #define AML_BIT_NAND_OP             (u16) 0x7c
105 #define AML_BIT_OR_OP               (u16) 0x7d
106 #define AML_BIT_NOR_OP              (u16) 0x7e
107 #define AML_BIT_XOR_OP              (u16) 0x7f
108 #define AML_BIT_NOT_OP              (u16) 0x80
109 #define AML_FIND_SET_LEFT_BIT_OP    (u16) 0x81
110 #define AML_FIND_SET_RIGHT_BIT_OP   (u16) 0x82
111 #define AML_DEREF_OF_OP             (u16) 0x83
112 #define AML_CONCAT_RES_OP           (u16) 0x84	/* ACPI 2.0 */
113 #define AML_MOD_OP                  (u16) 0x85	/* ACPI 2.0 */
114 #define AML_NOTIFY_OP               (u16) 0x86
115 #define AML_SIZE_OF_OP              (u16) 0x87
116 #define AML_INDEX_OP                (u16) 0x88
117 #define AML_MATCH_OP                (u16) 0x89
118 #define AML_CREATE_DWORD_FIELD_OP   (u16) 0x8a
119 #define AML_CREATE_WORD_FIELD_OP    (u16) 0x8b
120 #define AML_CREATE_BYTE_FIELD_OP    (u16) 0x8c
121 #define AML_CREATE_BIT_FIELD_OP     (u16) 0x8d
122 #define AML_TYPE_OP                 (u16) 0x8e
123 #define AML_CREATE_QWORD_FIELD_OP   (u16) 0x8f	/* ACPI 2.0 */
124 #define AML_LAND_OP                 (u16) 0x90
125 #define AML_LOR_OP                  (u16) 0x91
126 #define AML_LNOT_OP                 (u16) 0x92
127 #define AML_LEQUAL_OP               (u16) 0x93
128 #define AML_LGREATER_OP             (u16) 0x94
129 #define AML_LLESS_OP                (u16) 0x95
130 #define AML_TO_BUFFER_OP            (u16) 0x96	/* ACPI 2.0 */
131 #define AML_TO_DECSTRING_OP         (u16) 0x97	/* ACPI 2.0 */
132 #define AML_TO_HEXSTRING_OP         (u16) 0x98	/* ACPI 2.0 */
133 #define AML_TO_INTEGER_OP           (u16) 0x99	/* ACPI 2.0 */
134 #define AML_TO_STRING_OP            (u16) 0x9c	/* ACPI 2.0 */
135 #define AML_COPY_OP                 (u16) 0x9d	/* ACPI 2.0 */
136 #define AML_MID_OP                  (u16) 0x9e	/* ACPI 2.0 */
137 #define AML_CONTINUE_OP             (u16) 0x9f	/* ACPI 2.0 */
138 #define AML_IF_OP                   (u16) 0xa0
139 #define AML_ELSE_OP                 (u16) 0xa1
140 #define AML_WHILE_OP                (u16) 0xa2
141 #define AML_NOOP_OP                 (u16) 0xa3
142 #define AML_RETURN_OP               (u16) 0xa4
143 #define AML_BREAK_OP                (u16) 0xa5
144 #define AML_BREAK_POINT_OP          (u16) 0xcc
145 #define AML_ONES_OP                 (u16) 0xff
146 
147 /* prefixed opcodes */
148 
149 #define AML_EXTENDED_OPCODE         (u16) 0x5b00	/* prefix for 2-byte opcodes */
150 
151 #define AML_MUTEX_OP                (u16) 0x5b01
152 #define AML_EVENT_OP                (u16) 0x5b02
153 #define AML_SHIFT_RIGHT_BIT_OP      (u16) 0x5b10
154 #define AML_SHIFT_LEFT_BIT_OP       (u16) 0x5b11
155 #define AML_COND_REF_OF_OP          (u16) 0x5b12
156 #define AML_CREATE_FIELD_OP         (u16) 0x5b13
157 #define AML_LOAD_TABLE_OP           (u16) 0x5b1f	/* ACPI 2.0 */
158 #define AML_LOAD_OP                 (u16) 0x5b20
159 #define AML_STALL_OP                (u16) 0x5b21
160 #define AML_SLEEP_OP                (u16) 0x5b22
161 #define AML_ACQUIRE_OP              (u16) 0x5b23
162 #define AML_SIGNAL_OP               (u16) 0x5b24
163 #define AML_WAIT_OP                 (u16) 0x5b25
164 #define AML_RESET_OP                (u16) 0x5b26
165 #define AML_RELEASE_OP              (u16) 0x5b27
166 #define AML_FROM_BCD_OP             (u16) 0x5b28
167 #define AML_TO_BCD_OP               (u16) 0x5b29
168 #define AML_UNLOAD_OP               (u16) 0x5b2a
169 #define AML_REVISION_OP             (u16) 0x5b30
170 #define AML_DEBUG_OP                (u16) 0x5b31
171 #define AML_FATAL_OP                (u16) 0x5b32
172 #define AML_TIMER_OP                (u16) 0x5b33	/* ACPI 3.0 */
173 #define AML_REGION_OP               (u16) 0x5b80
174 #define AML_FIELD_OP                (u16) 0x5b81
175 #define AML_DEVICE_OP               (u16) 0x5b82
176 #define AML_PROCESSOR_OP            (u16) 0x5b83
177 #define AML_POWER_RES_OP            (u16) 0x5b84
178 #define AML_THERMAL_ZONE_OP         (u16) 0x5b85
179 #define AML_INDEX_FIELD_OP          (u16) 0x5b86
180 #define AML_BANK_FIELD_OP           (u16) 0x5b87
181 #define AML_DATA_REGION_OP          (u16) 0x5b88	/* ACPI 2.0 */
182 
183 /*
184  * Combination opcodes (actually two one-byte opcodes)
185  * Used by the disassembler and i_aSL compiler
186  */
187 #define AML_LGREATEREQUAL_OP        (u16) 0x9295
188 #define AML_LLESSEQUAL_OP           (u16) 0x9294
189 #define AML_LNOTEQUAL_OP            (u16) 0x9293
190 
191 /*
192  * Opcodes for "Field" operators
193  */
194 #define AML_FIELD_OFFSET_OP         (u8) 0x00
195 #define AML_FIELD_ACCESS_OP         (u8) 0x01
196 #define AML_FIELD_CONNECTION_OP     (u8) 0x02	/* ACPI 5.0 */
197 #define AML_FIELD_EXT_ACCESS_OP     (u8) 0x03	/* ACPI 5.0 */
198 
199 /*
200  * Internal opcodes
201  * Use only "Unknown" AML opcodes, don't attempt to use
202  * any valid ACPI ASCII values (A-Z, 0-9, '-')
203  */
204 #define AML_INT_NAMEPATH_OP         (u16) 0x002d
205 #define AML_INT_NAMEDFIELD_OP       (u16) 0x0030
206 #define AML_INT_RESERVEDFIELD_OP    (u16) 0x0031
207 #define AML_INT_ACCESSFIELD_OP      (u16) 0x0032
208 #define AML_INT_BYTELIST_OP         (u16) 0x0033
209 #define AML_INT_STATICSTRING_OP     (u16) 0x0034
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 
281 /* Multiple/complex types */
282 
283 #define ARGI_DATAOBJECT             0x12	/* Buffer, String, package or reference to a Node - Used only by size_of operator */
284 #define ARGI_COMPLEXOBJ             0x13	/* Buffer, String, or package (Used by INDEX op only) */
285 #define ARGI_REF_OR_STRING          0x14	/* Reference or String (Used by DEREFOF op only) */
286 #define ARGI_REGION_OR_BUFFER       0x15	/* Used by LOAD op only */
287 #define ARGI_DATAREFOBJ             0x16
288 
289 /* Note: types above can expand to 0x1F maximum */
290 
291 #define ARGI_INVALID_OPCODE         0xFFFFFFFF
292 
293 /*
294  * hash offsets
295  */
296 #define AML_EXTOP_HASH_OFFSET       22
297 #define AML_LNOT_HASH_OFFSET        19
298 
299 /*
300  * opcode groups and types
301  */
302 #define OPGRP_NAMED                 0x01
303 #define OPGRP_FIELD                 0x02
304 #define OPGRP_BYTELIST              0x04
305 
306 /*
307  * Opcode information
308  */
309 
310 /* Opcode flags */
311 
312 #define AML_LOGICAL                 0x0001
313 #define AML_LOGICAL_NUMERIC         0x0002
314 #define AML_MATH                    0x0004
315 #define AML_CREATE                  0x0008
316 #define AML_FIELD                   0x0010
317 #define AML_DEFER                   0x0020
318 #define AML_NAMED                   0x0040
319 #define AML_NSNODE                  0x0080
320 #define AML_NSOPCODE                0x0100
321 #define AML_NSOBJECT                0x0200
322 #define AML_HAS_RETVAL              0x0400
323 #define AML_HAS_TARGET              0x0800
324 #define AML_HAS_ARGS                0x1000
325 #define AML_CONSTANT                0x2000
326 #define AML_NO_OPERAND_RESOLVE      0x4000
327 
328 /* Convenient flag groupings */
329 
330 #define AML_FLAGS_EXEC_0A_0T_1R                                     AML_HAS_RETVAL
331 #define AML_FLAGS_EXEC_1A_0T_0R     AML_HAS_ARGS	/* Monadic1  */
332 #define AML_FLAGS_EXEC_1A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL	/* Monadic2  */
333 #define AML_FLAGS_EXEC_1A_1T_0R     AML_HAS_ARGS | AML_HAS_TARGET
334 #define AML_FLAGS_EXEC_1A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL	/* monadic2_r */
335 #define AML_FLAGS_EXEC_2A_0T_0R     AML_HAS_ARGS	/* Dyadic1   */
336 #define AML_FLAGS_EXEC_2A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL	/* Dyadic2   */
337 #define AML_FLAGS_EXEC_2A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL	/* dyadic2_r  */
338 #define AML_FLAGS_EXEC_2A_2T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
339 #define AML_FLAGS_EXEC_3A_0T_0R     AML_HAS_ARGS
340 #define AML_FLAGS_EXEC_3A_1T_1R     AML_HAS_ARGS | AML_HAS_TARGET | AML_HAS_RETVAL
341 #define AML_FLAGS_EXEC_6A_0T_1R     AML_HAS_ARGS |                  AML_HAS_RETVAL
342 
343 /*
344  * The opcode Type is used in a dispatch table, do not change
345  * without updating the table.
346  */
347 #define AML_TYPE_EXEC_0A_0T_1R      0x00
348 #define AML_TYPE_EXEC_1A_0T_0R      0x01	/* Monadic1  */
349 #define AML_TYPE_EXEC_1A_0T_1R      0x02	/* Monadic2  */
350 #define AML_TYPE_EXEC_1A_1T_0R      0x03
351 #define AML_TYPE_EXEC_1A_1T_1R      0x04	/* monadic2_r */
352 #define AML_TYPE_EXEC_2A_0T_0R      0x05	/* Dyadic1   */
353 #define AML_TYPE_EXEC_2A_0T_1R      0x06	/* Dyadic2   */
354 #define AML_TYPE_EXEC_2A_1T_1R      0x07	/* dyadic2_r  */
355 #define AML_TYPE_EXEC_2A_2T_1R      0x08
356 #define AML_TYPE_EXEC_3A_0T_0R      0x09
357 #define AML_TYPE_EXEC_3A_1T_1R      0x0A
358 #define AML_TYPE_EXEC_6A_0T_1R      0x0B
359 /* End of types used in dispatch table */
360 
361 #define AML_TYPE_LITERAL            0x0B
362 #define AML_TYPE_CONSTANT           0x0C
363 #define AML_TYPE_METHOD_ARGUMENT    0x0D
364 #define AML_TYPE_LOCAL_VARIABLE     0x0E
365 #define AML_TYPE_DATA_TERM          0x0F
366 
367 /* Generic for an op that returns a value */
368 
369 #define AML_TYPE_METHOD_CALL        0x10
370 
371 /* Misc */
372 
373 #define AML_TYPE_CREATE_FIELD       0x11
374 #define AML_TYPE_CREATE_OBJECT      0x12
375 #define AML_TYPE_CONTROL            0x13
376 #define AML_TYPE_NAMED_NO_OBJ       0x14
377 #define AML_TYPE_NAMED_FIELD        0x15
378 #define AML_TYPE_NAMED_SIMPLE       0x16
379 #define AML_TYPE_NAMED_COMPLEX      0x17
380 #define AML_TYPE_RETURN             0x18
381 
382 #define AML_TYPE_UNDEFINED          0x19
383 #define AML_TYPE_BOGUS              0x1A
384 
385 /* AML Package Length encodings */
386 
387 #define ACPI_AML_PACKAGE_TYPE1      0x40
388 #define ACPI_AML_PACKAGE_TYPE2      0x4000
389 #define ACPI_AML_PACKAGE_TYPE3      0x400000
390 #define ACPI_AML_PACKAGE_TYPE4      0x40000000
391 
392 /*
393  * Opcode classes
394  */
395 #define AML_CLASS_EXECUTE           0x00
396 #define AML_CLASS_CREATE            0x01
397 #define AML_CLASS_ARGUMENT          0x02
398 #define AML_CLASS_NAMED_OBJECT      0x03
399 #define AML_CLASS_CONTROL           0x04
400 #define AML_CLASS_ASCII             0x05
401 #define AML_CLASS_PREFIX            0x06
402 #define AML_CLASS_INTERNAL          0x07
403 #define AML_CLASS_RETURN_VALUE      0x08
404 #define AML_CLASS_METHOD_CALL       0x09
405 #define AML_CLASS_UNKNOWN           0x0A
406 
407 /* Comparison operation codes for match_op operator */
408 
409 typedef enum {
410 	MATCH_MTR = 0,
411 	MATCH_MEQ = 1,
412 	MATCH_MLE = 2,
413 	MATCH_MLT = 3,
414 	MATCH_MGE = 4,
415 	MATCH_MGT = 5
416 } AML_MATCH_OPERATOR;
417 
418 #define MAX_MATCH_OPERATOR          5
419 
420 /*
421  * field_flags
422  *
423  * This byte is extracted from the AML and includes three separate
424  * pieces of information about the field:
425  * 1) The field access type
426  * 2) The field update rule
427  * 3) The lock rule for the field
428  *
429  * Bits 00 - 03 : access_type (any_acc, byte_acc, etc.)
430  *      04      : lock_rule (1 == Lock)
431  *      05 - 06 : update_rule
432  */
433 #define AML_FIELD_ACCESS_TYPE_MASK  0x0F
434 #define AML_FIELD_LOCK_RULE_MASK    0x10
435 #define AML_FIELD_UPDATE_RULE_MASK  0x60
436 
437 /* 1) Field Access Types */
438 
439 typedef enum {
440 	AML_FIELD_ACCESS_ANY = 0x00,
441 	AML_FIELD_ACCESS_BYTE = 0x01,
442 	AML_FIELD_ACCESS_WORD = 0x02,
443 	AML_FIELD_ACCESS_DWORD = 0x03,
444 	AML_FIELD_ACCESS_QWORD = 0x04,	/* ACPI 2.0 */
445 	AML_FIELD_ACCESS_BUFFER = 0x05	/* ACPI 2.0 */
446 } AML_ACCESS_TYPE;
447 
448 /* 2) Field Lock Rules */
449 
450 typedef enum {
451 	AML_FIELD_LOCK_NEVER = 0x00,
452 	AML_FIELD_LOCK_ALWAYS = 0x10
453 } AML_LOCK_RULE;
454 
455 /* 3) Field Update Rules */
456 
457 typedef enum {
458 	AML_FIELD_UPDATE_PRESERVE = 0x00,
459 	AML_FIELD_UPDATE_WRITE_AS_ONES = 0x20,
460 	AML_FIELD_UPDATE_WRITE_AS_ZEROS = 0x40
461 } AML_UPDATE_RULE;
462 
463 /*
464  * Field Access Attributes.
465  * This byte is extracted from the AML via the
466  * access_as keyword
467  */
468 typedef enum {
469 	AML_FIELD_ATTRIB_QUICK = 0x02,
470 	AML_FIELD_ATTRIB_SEND_RCV = 0x04,
471 	AML_FIELD_ATTRIB_BYTE = 0x06,
472 	AML_FIELD_ATTRIB_WORD = 0x08,
473 	AML_FIELD_ATTRIB_BLOCK = 0x0A,
474 	AML_FIELD_ATTRIB_MULTIBYTE = 0x0B,
475 	AML_FIELD_ATTRIB_WORD_CALL = 0x0C,
476 	AML_FIELD_ATTRIB_BLOCK_CALL = 0x0D,
477 	AML_FIELD_ATTRIB_RAW_BYTES = 0x0E,
478 	AML_FIELD_ATTRIB_RAW_PROCESS = 0x0F
479 } AML_ACCESS_ATTRIBUTE;
480 
481 /* Bit fields in the AML method_flags byte */
482 
483 #define AML_METHOD_ARG_COUNT        0x07
484 #define AML_METHOD_SERIALIZED       0x08
485 #define AML_METHOD_SYNC_LEVEL       0xF0
486 
487 #endif				/* __AMLCODE_H__ */
488