aboutsummaryrefslogtreecommitdiff
path: root/include/acpi/aclocal.h
blob: 97f8e4185e4f4cc87ba898ae1cf2c8c4362f9063 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
/******************************************************************************
 *
 * Name: aclocal.h - Internal data types used across the ACPI subsystem
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2006, R. Byron Moore
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#ifndef __ACLOCAL_H__
#define __ACLOCAL_H__

#define ACPI_WAIT_FOREVER               0xFFFF	/* u16, as per ACPI spec */

typedef void *acpi_mutex;
typedef u32 acpi_mutex_handle;

/* Total number of aml opcodes defined */

#define AML_NUM_OPCODES                 0x7F

/* Forward declarations */

struct acpi_walk_state;
struct acpi_obj_mutex;
union acpi_parse_object;

/*****************************************************************************
 *
 * Mutex typedefs and structs
 *
 ****************************************************************************/

/*
 * Predefined handles for the mutex objects used within the subsystem
 * All mutex objects are automatically created by acpi_ut_mutex_initialize.
 *
 * The acquire/release ordering protocol is implied via this list.  Mutexes
 * with a lower value must be acquired before mutexes with a higher value.
 *
 * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names table also!
 */
#define ACPI_MTX_EXECUTE                0
#define ACPI_MTX_INTERPRETER            1
#define ACPI_MTX_PARSER                 2
#define ACPI_MTX_DISPATCHER             3
#define ACPI_MTX_TABLES                 4
#define ACPI_MTX_OP_REGIONS             5
#define ACPI_MTX_NAMESPACE              6
#define ACPI_MTX_EVENTS                 7
#define ACPI_MTX_HARDWARE               8
#define ACPI_MTX_CACHES                 9
#define ACPI_MTX_MEMORY                 10
#define ACPI_MTX_DEBUG_CMD_COMPLETE     11
#define ACPI_MTX_DEBUG_CMD_READY        12

#define MAX_MUTEX                       12
#define NUM_MUTEX                       MAX_MUTEX+1

#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
#ifdef DEFINE_ACPI_GLOBALS

/* Names for the mutexes used in the subsystem */

static char *acpi_gbl_mutex_names[] = {
	"ACPI_MTX_Execute",
	"ACPI_MTX_Interpreter",
	"ACPI_MTX_Parser",
	"ACPI_MTX_Dispatcher",
	"ACPI_MTX_Tables",
	"ACPI_MTX_op_regions",
	"ACPI_MTX_Namespace",
	"ACPI_MTX_Events",
	"ACPI_MTX_Hardware",
	"ACPI_MTX_Caches",
	"ACPI_MTX_Memory",
	"ACPI_MTX_debug_cmd_complete",
	"ACPI_MTX_debug_cmd_ready",
};

#endif
#endif

/* Owner IDs are used to track namespace nodes for selective deletion */

typedef u8 acpi_owner_id;
#define ACPI_OWNER_ID_MAX               0xFF

/* This Thread ID means that the mutex is not in use (unlocked) */

#define ACPI_MUTEX_NOT_ACQUIRED         (u32) -1

/* Table for the global mutexes */

struct acpi_mutex_info {
	acpi_mutex mutex;
	u32 use_count;
	u32 thread_id;
};

/* Lock flag parameter for various interfaces */

#define ACPI_MTX_DO_NOT_LOCK            0
#define ACPI_MTX_LOCK                   1

/* Field access granularities */

#define ACPI_FIELD_BYTE_GRANULARITY     1
#define ACPI_FIELD_WORD_GRANULARITY     2
#define ACPI_FIELD_DWORD_GRANULARITY    4
#define ACPI_FIELD_QWORD_GRANULARITY    8

/*****************************************************************************
 *
 * Namespace typedefs and structs
 *
 ****************************************************************************/

/* Operational modes of the AML interpreter/scanner */

typedef enum {
	ACPI_IMODE_LOAD_PASS1 = 0x01,
	ACPI_IMODE_LOAD_PASS2 = 0x02,
	ACPI_IMODE_EXECUTE = 0x0E
} acpi_interpreter_mode;

/*
 * The Node describes a named object that appears in the AML
 * An acpi_node is used to store Nodes.
 *
 * data_type is used to differentiate between internal descriptors, and MUST
 * be the first byte in this structure.
 */
union acpi_name_union {
	u32 integer;
	char ascii[4];
};

struct acpi_namespace_node {
	u8 descriptor;		/* Used to differentiate object descriptor types */
	u8 type;		/* Type associated with this name */
	u16 reference_count;	/* Current count of references and children */
	union acpi_name_union name;	/* ACPI Name, always 4 chars per ACPI spec */
	union acpi_operand_object *object;	/* Pointer to attached ACPI object (optional) */
	struct acpi_namespace_node *child;	/* First child */
	struct acpi_namespace_node *peer;	/* Next peer */
	u8 owner_id;		/* Who created this node */
	u8 flags;

	/* Fields used by the ASL compiler only */

#ifdef ACPI_ASL_COMPILER
	u32 value;
	union acpi_parse_object *op;
#endif
};

#define ACPI_ENTRY_NOT_FOUND            NULL

/* Node flags */

#define ANOBJ_RESERVED                  0x01
#define ANOBJ_END_OF_PEER_LIST          0x02
#define ANOBJ_DATA_WIDTH_32             0x04	/* Parent table is 64-bits */
#define ANOBJ_METHOD_ARG                0x08
#define ANOBJ_METHOD_LOCAL              0x10
#define ANOBJ_METHOD_NO_RETVAL          0x20
#define ANOBJ_METHOD_SOME_NO_RETVAL     0x40
#define ANOBJ_IS_BIT_OFFSET             0x80

/*
 * ACPI Table Descriptor.  One per ACPI table
 */
struct acpi_table_desc {
	struct acpi_table_desc *prev;
	struct acpi_table_desc *next;
	struct acpi_table_desc *installed_desc;
	struct acpi_table_header *pointer;
	u8 *aml_start;
	u64 physical_address;
	u32 aml_length;
	acpi_size length;
	acpi_owner_id owner_id;
	u8 type;
	u8 allocation;
	u8 loaded_into_namespace;
};

struct acpi_table_list {
	struct acpi_table_desc *next;
	u32 count;
};

struct acpi_find_context {
	char *search_for;
	acpi_handle *list;
	u32 *count;
};

struct acpi_ns_search_data {
	struct acpi_namespace_node *node;
};

/*
 * Predefined Namespace items
 */
struct acpi_predefined_names {
	char *name;
	u8 type;
	char *val;
};

/* Object types used during package copies */

#define ACPI_COPY_TYPE_SIMPLE           0
#define ACPI_COPY_TYPE_PACKAGE          1

/* Info structure used to convert external<->internal namestrings */

struct acpi_namestring_info {
	char *external_name;
	char *next_external_char;
	char *internal_name;
	u32 length;
	u32 num_segments;
	u32 num_carats;
	u8 fully_qualified;
};

/* Field creation info */

struct acpi_create_field_info {
	struct acpi_namespace_node *region_node;
	struct acpi_namespace_node *field_node;
	struct acpi_namespace_node *register_node;
	struct acpi_namespace_node *data_register_node;
	u32 bank_value;
	u32 field_bit_position;
	u32 field_bit_length;
	u8 field_flags;
	u8 attribute;
	u8 field_type;
};

/*
 * Bitmapped ACPI types.  Used internally only
 */
#define ACPI_BTYPE_ANY                  0x00000000
#define ACPI_BTYPE_INTEGER              0x00000001
#define ACPI_BTYPE_STRING               0x00000002
#define ACPI_BTYPE_BUFFER               0x00000004
#define ACPI_BTYPE_PACKAGE              0x00000008
#define ACPI_BTYPE_FIELD_UNIT           0x00000010
#define ACPI_BTYPE_DEVICE               0x00000020
#define ACPI_BTYPE_EVENT                0x00000040
#define ACPI_BTYPE_METHOD               0x00000080
#define ACPI_BTYPE_MUTEX                0x00000100
#define ACPI_BTYPE_REGION               0x00000200
#define ACPI_BTYPE_POWER                0x00000400
#define ACPI_BTYPE_PROCESSOR            0x00000800
#define ACPI_BTYPE_THERMAL              0x00001000
#define ACPI_BTYPE_BUFFER_FIELD         0x00002000
#define ACPI_BTYPE_DDB_HANDLE           0x00004000
#define ACPI_BTYPE_DEBUG_OBJECT         0x00008000
#define ACPI_BTYPE_REFERENCE            0x00010000
#define ACPI_BTYPE_RESOURCE             0x00020000

#define ACPI_BTYPE_COMPUTE_DATA         (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER)

#define ACPI_BTYPE_DATA                 (ACPI_BTYPE_COMPUTE_DATA  | ACPI_BTYPE_PACKAGE)
#define ACPI_BTYPE_DATA_REFERENCE       (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE)
#define ACPI_BTYPE_DEVICE_OBJECTS       (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR)
#define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF	/* ARG or LOCAL */
#define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF

/*****************************************************************************
 *
 * Event typedefs and structs
 *
 ****************************************************************************/

/* Dispatch info for each GPE -- either a method or handler, cannot be both */

struct acpi_handler_info {
	acpi_event_handler address;	/* Address of handler, if any */
	void *context;		/* Context to be passed to handler */
	struct acpi_namespace_node *method_node;	/* Method node for this GPE level (saved) */
};

union acpi_gpe_dispatch_info {
	struct acpi_namespace_node *method_node;	/* Method node for this GPE level */
	struct acpi_handler_info *handler;
};

/*
 * Information about a GPE, one per each GPE in an array.
 * NOTE: Important to keep this struct as small as possible.
 */
struct acpi_gpe_event_info {
	union acpi_gpe_dispatch_info dispatch;	/* Either Method or Handler */
	struct acpi_gpe_register_info *register_info;	/* Backpointer to register info */
	u8 flags;		/* Misc info about this GPE */
	u8 register_bit;	/* This GPE bit within the register */
};

/* Information about a GPE register pair, one per each status/enable pair in an array */

struct acpi_gpe_register_info {
	struct acpi_generic_address status_address;	/* Address of status reg */
	struct acpi_generic_address enable_address;	/* Address of enable reg */
	u8 enable_for_wake;	/* GPEs to keep enabled when sleeping */
	u8 enable_for_run;	/* GPEs to keep enabled when running */
	u8 base_gpe_number;	/* Base GPE number for this register */
};

/*
 * Information about a GPE register block, one per each installed block --
 * GPE0, GPE1, and one per each installed GPE Block Device.
 */
struct acpi_gpe_block_info {
	struct acpi_namespace_node *node;
	struct acpi_gpe_block_info *previous;
	struct acpi_gpe_block_info *next;
	struct acpi_gpe_xrupt_info *xrupt_block;	/* Backpointer to interrupt block */
	struct acpi_gpe_register_info *register_info;	/* One per GPE register pair */
	struct acpi_gpe_event_info *event_info;	/* One for each GPE */
	struct acpi_generic_address block_address;	/* Base address of the block */
	u32 register_count;	/* Number of register pairs in block */
	u8 block_base_number;	/* Base GPE number for this block */
};

/* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */

struct acpi_gpe_xrupt_info {
	struct acpi_gpe_xrupt_info *previous;
	struct acpi_gpe_xrupt_info *next;
	struct acpi_gpe_block_info *gpe_block_list_head;	/* List of GPE blocks for this xrupt */
	u32 interrupt_number;	/* System interrupt number */
};

struct acpi_gpe_walk_info {
	struct acpi_namespace_node *gpe_device;
	struct acpi_gpe_block_info *gpe_block;
};

typedef acpi_status(*ACPI_GPE_CALLBACK) (struct acpi_gpe_xrupt_info *
					 gpe_xrupt_info,
					 struct acpi_gpe_block_info *
					 gpe_block);

/* Information about each particular fixed event */

struct acpi_fixed_event_handler {
	acpi_event_handler handler;	/* Address of handler. */
	void *context;		/* Context to be passed to handler */
};

struct acpi_fixed_event_info {
	u8 status_register_id;
	u8 enable_register_id;
	u16 status_bit_mask;
	u16 enable_bit_mask;
};

/* Information used during field processing */

struct acpi_field_info {
	u8 skip_field;
	u8 field_flag;
	u32 pkg_length;
};

/*****************************************************************************
 *
 * Generic "state" object for stacks
 *
 ****************************************************************************/

#define ACPI_CONTROL_NORMAL                  0xC0
#define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
#define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
#define ACPI_CONTROL_PREDICATE_FALSE         0xC3
#define ACPI_CONTROL_PREDICATE_TRUE          0xC4

#define ACPI_STATE_COMMON                  /* Two 32-bit fields and a pointer */\
	u8                                  data_type;          /* To differentiate various internal objs */\
	u8                                  flags;      \
	u16                                 value;      \
	u16                                 state;      \
	u16                                 reserved;   \
	void                                *next;      \

struct acpi_common_state {
ACPI_STATE_COMMON};

/*
 * Update state - used to traverse complex objects such as packages
 */
struct acpi_update_state {
	ACPI_STATE_COMMON union acpi_operand_object *object;
};

/*
 * Pkg state - used to traverse nested package structures
 */
struct acpi_pkg_state {
	ACPI_STATE_COMMON union acpi_operand_object *source_object;
	union acpi_operand_object *dest_object;
	struct acpi_walk_state *walk_state;
	void *this_target_obj;
	u32 num_packages;
	u16 index;
};

/*
 * Control state - one per if/else and while constructs.
 * Allows nesting of these constructs
 */
struct acpi_control_state {
	ACPI_STATE_COMMON union acpi_parse_object *predicate_op;
	u8 *aml_predicate_start;	/* Start of if/while predicate */
	u8 *package_end;	/* End of if/while block */
	u16 opcode;
};

/*
 * Scope state - current scope during namespace lookups
 */
struct acpi_scope_state {
	ACPI_STATE_COMMON struct acpi_namespace_node *node;
};

struct acpi_pscope_state {
	ACPI_STATE_COMMON union acpi_parse_object *op;	/* Current op being parsed */
	u8 *arg_end;		/* Current argument end */
	u8 *pkg_end;		/* Current package end */
	u32 arg_list;		/* Next argument to parse */
	u32 arg_count;		/* Number of fixed arguments */
};

/*
 * Thread state - one per thread across multiple walk states.  Multiple walk
 * states are created when there are nested control methods executing.
 */
struct acpi_thread_state {
	ACPI_STATE_COMMON struct acpi_walk_state *walk_state_list;	/* Head of list of walk_states for this thread */
	union acpi_operand_object *acquired_mutex_list;	/* List of all currently acquired mutexes */
	u32 thread_id;		/* Running thread ID */
	u8 current_sync_level;	/* Mutex Sync (nested acquire) level */
};

/*
 * Result values - used to accumulate the results of nested
 * AML arguments
 */
struct acpi_result_values {
	ACPI_STATE_COMMON
	    union acpi_operand_object *obj_desc[ACPI_OBJ_NUM_OPERANDS];
	u8 num_results;
	u8 last_insert;
};

typedef
acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
				    union acpi_parse_object ** out_op);

typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state);

/*
 * Notify info - used to pass info to the deferred notify
 * handler/dispatcher.
 */
struct acpi_notify_info {
	ACPI_STATE_COMMON struct acpi_namespace_node *node;
	union acpi_operand_object *handler_obj;
};

/* Generic state is union of structs above */

union acpi_generic_state {
	struct acpi_common_state common;
	struct acpi_control_state control;
	struct acpi_update_state update;
	struct acpi_scope_state scope;
	struct acpi_pscope_state parse_scope;
	struct acpi_pkg_state pkg;
	struct acpi_thread_state thread;
	struct acpi_result_values results;
	struct acpi_notify_info notify;
};

/*****************************************************************************
 *
 * Interpreter typedefs and structs
 *
 ****************************************************************************/

typedef acpi_status(*ACPI_EXECUTE_OP) (struct acpi_walk_state * walk_state);

/*****************************************************************************
 *
 * Parser typedefs and structs
 *
 ****************************************************************************/

/*
 * AML opcode, name, and argument layout
 */
struct acpi_opcode_info {
#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
	char *name;		/* Opcode name (disassembler/debug only) */
#endif
	u32 parse_args;		/* Grammar/Parse time arguments */
	u32 runtime_args;	/* Interpret time arguments */
	u32 flags;		/* Misc flags */
	u8 object_type;		/* Corresponding internal object type */
	u8 class;		/* Opcode class */
	u8 type;		/* Opcode type */
};

union acpi_parse_value {
	acpi_integer integer;	/* Integer constant (Up to 64 bits) */
	struct uint64_struct integer64;	/* Structure overlay for 2 32-bit Dwords */
	u32 size;		/* bytelist or field size */
	char *string;		/* NULL terminated string */
	u8 *buffer;		/* buffer or string */
	char *name;		/* NULL terminated string */
	union acpi_parse_object *arg;	/* arguments and contained ops */
};

#define ACPI_PARSE_COMMON \
	u8                                  data_type;      /* To differentiate various internal objs */\
	u8                                  flags;          /* Type of Op */\
	u16                                 aml_opcode;     /* AML opcode */\
	u32                                 aml_offset;     /* Offset of declaration in AML */\
	union acpi_parse_object             *parent;        /* Parent op */\
	union acpi_parse_object             *next;          /* Next op */\
	ACPI_DISASM_ONLY_MEMBERS (\
	u8                                  disasm_flags;   /* Used during AML disassembly */\
	u8                                  disasm_opcode;  /* Subtype used for disassembly */\
	char                                aml_op_name[16]) /* Op name (debug only) */\
			   /* NON-DEBUG members below: */\
	struct acpi_namespace_node          *node;          /* For use by interpreter */\
	union acpi_parse_value              value;          /* Value or args associated with the opcode */\


#define ACPI_DASM_BUFFER        0x00
#define ACPI_DASM_RESOURCE      0x01
#define ACPI_DASM_STRING        0x02
#define ACPI_DASM_UNICODE       0x03
#define ACPI_DASM_EISAID        0x04
#define ACPI_DASM_MATCHOP       0x05

/*
 * generic operation (for example:  If, While, Store)
 */
struct acpi_parse_obj_common {
ACPI_PARSE_COMMON};

/*
 * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
 * and bytelists.
 */
struct acpi_parse_obj_named {
	ACPI_PARSE_COMMON u8 * path;
	u8 *data;		/* AML body or bytelist data */
	u32 length;		/* AML length */
	u32 name;		/* 4-byte name or zero if no name */
};

/* The parse node is the fundamental element of the parse tree */

#define ACPI_MAX_PARSEOP_NAME   20

struct acpi_parse_obj_asl {
	ACPI_PARSE_COMMON union acpi_parse_object *child;
	union acpi_parse_object *parent_method;
	char *filename;
	char *external_name;
	char *namepath;
	char name_seg[4];
	u32 extra_value;
	u32 column;
	u32 line_number;
	u32 logical_line_number;
	u32 logical_byte_offset;
	u32 end_line;
	u32 end_logical_line;
	u32 acpi_btype;
	u32 aml_length;
	u32 aml_subtree_length;
	u32 final_aml_length;
	u32 final_aml_offset;
	u32 compile_flags;
	u16 parse_opcode;
	u8 aml_opcode_length;
	u8 aml_pkg_len_bytes;
	u8 extra;
	char parse_op_name[ACPI_MAX_PARSEOP_NAME];
};

union acpi_parse_object {
	struct acpi_parse_obj_common common;
	struct acpi_parse_obj_named named;
	struct acpi_parse_obj_asl asl;
};

/*
 * Parse state - one state per parser invocation and each control
 * method.
 */
struct acpi_parse_state {
	u32 aml_size;
	u8 *aml_start;		/* First AML byte */
	u8 *aml;		/* Next AML byte */
	u8 *aml_end;		/* (last + 1) AML byte */
	u8 *pkg_start;		/* Current package begin */
	u8 *pkg_end;		/* Current package end */
	union acpi_parse_object *start_op;	/* Root of parse tree */
	struct acpi_namespace_node *start_node;
	union acpi_generic_state *scope;	/* Current scope */
	union acpi_parse_object *start_scope;
};

/* Parse object flags */

#define ACPI_PARSEOP_GENERIC                    0x01
#define ACPI_PARSEOP_NAMED                      0x02
#define ACPI_PARSEOP_DEFERRED                   0x04
#define ACPI_PARSEOP_BYTELIST                   0x08
#define ACPI_PARSEOP_IN_CACHE                   0x80

/* Parse object disasm_flags */

#define ACPI_PARSEOP_IGNORE                     0x01
#define ACPI_PARSEOP_PARAMLIST                  0x02
#define ACPI_PARSEOP_EMPTY_TERMLIST             0x04
#define ACPI_PARSEOP_SPECIAL                    0x10

/*****************************************************************************
 *
 * Hardware (ACPI registers) and PNP
 *
 ****************************************************************************/

#define PCI_ROOT_HID_STRING         "PNP0A03"
#define PCI_EXPRESS_ROOT_HID_STRING "PNP0A08"

struct acpi_bit_register_info {
	u8 parent_register;
	u8 bit_position;
	u16 access_bit_mask;
};

/*
 * Register IDs
 * These are the full ACPI registers
 */
#define ACPI_REGISTER_PM1_STATUS                0x01
#define ACPI_REGISTER_PM1_ENABLE                0x02
#define ACPI_REGISTER_PM1_CONTROL               0x03
#define ACPI_REGISTER_PM1A_CONTROL              0x04
#define ACPI_REGISTER_PM1B_CONTROL              0x05
#define ACPI_REGISTER_PM2_CONTROL               0x06
#define ACPI_REGISTER_PM_TIMER                  0x07
#define ACPI_REGISTER_PROCESSOR_BLOCK           0x08
#define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x09

/* Masks used to access the bit_registers */

#define ACPI_BITMASK_TIMER_STATUS               0x0001
#define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
#define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
#define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
#define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
#define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
#define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000	/* ACPI 3.0 */
#define ACPI_BITMASK_WAKE_STATUS                0x8000

#define ACPI_BITMASK_ALL_FIXED_STATUS           (ACPI_BITMASK_TIMER_STATUS          | \
			 ACPI_BITMASK_BUS_MASTER_STATUS     | \
			 ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
			 ACPI_BITMASK_POWER_BUTTON_STATUS   | \
			 ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
			 ACPI_BITMASK_RT_CLOCK_STATUS       | \
			 ACPI_BITMASK_WAKE_STATUS)

#define ACPI_BITMASK_TIMER_ENABLE               0x0001
#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
#define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
#define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000	/* ACPI 3.0 */

#define ACPI_BITMASK_SCI_ENABLE                 0x0001
#define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
#define ACPI_BITMASK_SLEEP_TYPE_X               0x1C00
#define ACPI_BITMASK_SLEEP_ENABLE               0x2000

#define ACPI_BITMASK_ARB_DISABLE                0x0001

/* Raw bit position of each bit_register */

#define ACPI_BITPOSITION_TIMER_STATUS           0x00
#define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
#define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
#define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
#define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
#define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
#define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E	/* ACPI 3.0 */
#define ACPI_BITPOSITION_WAKE_STATUS            0x0F

#define ACPI_BITPOSITION_TIMER_ENABLE           0x00
#define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
#define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
#define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
#define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
#define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E	/* ACPI 3.0 */

#define ACPI_BITPOSITION_SCI_ENABLE             0x00
#define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
#define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
#define ACPI_BITPOSITION_SLEEP_TYPE_X           0x0A
#define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D

#define ACPI_BITPOSITION_ARB_DISABLE            0x00

/*****************************************************************************
 *
 * Resource descriptors
 *
 ****************************************************************************/

/* resource_type values */

#define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
#define ACPI_ADDRESS_TYPE_IO_RANGE              1
#define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2

/* Resource descriptor types and masks */

#define ACPI_RESOURCE_NAME_LARGE                0x80
#define ACPI_RESOURCE_NAME_SMALL                0x00

#define ACPI_RESOURCE_NAME_SMALL_MASK           0x78	/* Bits 6:3 contain the type */
#define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07	/* Bits 2:0 contain the length */
#define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F	/* Bits 6:0 contain the type */

/*
 * Small resource descriptor "names" as defined by the ACPI specification.
 * Note: Bits 2:0 are used for the descriptor length
 */
#define ACPI_RESOURCE_NAME_IRQ                  0x20
#define ACPI_RESOURCE_NAME_DMA                  0x28
#define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
#define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
#define ACPI_RESOURCE_NAME_IO                   0x40
#define ACPI_RESOURCE_NAME_FIXED_IO             0x48
#define ACPI_RESOURCE_NAME_RESERVED_S1          0x50
#define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
#define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
#define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
#define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
#define ACPI_RESOURCE_NAME_END_TAG              0x78

/*
 * Large resource descriptor "names" as defined by the ACPI specification.
 * Note: includes the Large Descriptor bit in bit[7]
 */
#define ACPI_RESOURCE_NAME_MEMORY24             0x81
#define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
#define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
#define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
#define ACPI_RESOURCE_NAME_MEMORY32             0x85
#define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
#define ACPI_RESOURCE_NAME_ADDRESS32            0x87
#define ACPI_RESOURCE_NAME_ADDRESS16            0x88
#define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
#define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
#define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
#define ACPI_RESOURCE_NAME_LARGE_MAX            0x8B

/*****************************************************************************
 *
 * Miscellaneous
 *
 ****************************************************************************/

#define ACPI_ASCII_ZERO                         0x30

/*****************************************************************************
 *
 * Debugger
 *
 ****************************************************************************/

struct acpi_db_method_info {
	acpi_handle thread_gate;
	char *name;
	char **args;
	u32 flags;
	u32 num_loops;
	char pathname[128];
};

struct acpi_integrity_info {
	u32 nodes;
	u32 objects;
};

#define ACPI_DB_REDIRECTABLE_OUTPUT  0x01
#define ACPI_DB_CONSOLE_OUTPUT       0x02
#define ACPI_DB_DUPLICATE_OUTPUT     0x03

/*****************************************************************************
 *
 * Debug
 *
 ****************************************************************************/

/* Entry for a memory allocation (debug only) */

#define ACPI_MEM_MALLOC                      0
#define ACPI_MEM_CALLOC                      1
#define ACPI_MAX_MODULE_NAME                 16

#define ACPI_COMMON_DEBUG_MEM_HEADER \
	struct acpi_debug_mem_block         *previous; \
	struct acpi_debug_mem_block         *next; \
	u32                                 size; \
	u32                                 component; \
	u32                                 line; \
	char                                module[ACPI_MAX_MODULE_NAME]; \
	u8                                  alloc_type;

struct acpi_debug_mem_header {
ACPI_COMMON_DEBUG_MEM_HEADER};

struct acpi_debug_mem_block {
	ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
};

#define ACPI_MEM_LIST_GLOBAL            0
#define ACPI_MEM_LIST_NSNODE            1
#define ACPI_MEM_LIST_MAX               1
#define ACPI_NUM_MEM_LISTS              2

struct acpi_memory_list {
	char *list_name;
	void *list_head;
	u16 object_size;
	u16 max_depth;
	u16 current_depth;
	u16 link_offset;

#ifdef ACPI_DBG_TRACK_ALLOCATIONS

	/* Statistics for debug memory tracking only */

	u32 total_allocated;
	u32 total_freed;
	u32 current_total_size;
	u32 requests;
	u32 hits;
#endif
};

#endif				/* __ACLOCAL_H__ */