• Home
  • History
  • Annotate
  • Line#
  • Navigate
  • Raw
  • Download
  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/acpi/acpica/
1/******************************************************************************
2 *
3 * Name: aclocal.h - Internal data types used across the ACPI subsystem
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2010, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions, and the following disclaimer,
16 *    without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 *    substantially similar to the "NO WARRANTY" disclaimer below
19 *    ("Disclaimer") and any redistribution must be conditioned upon
20 *    including a substantially similar Disclaimer requirement for further
21 *    binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 *    of any contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#ifndef __ACLOCAL_H__
45#define __ACLOCAL_H__
46
47/* acpisrc:struct_defs -- for acpisrc conversion */
48
49#define ACPI_SERIALIZED                 0xFF
50
51typedef u32 acpi_mutex_handle;
52#define ACPI_GLOBAL_LOCK                (acpi_semaphore) (-1)
53
54/* Total number of aml opcodes defined */
55
56#define AML_NUM_OPCODES                 0x7F
57
58/* Forward declarations */
59
60struct acpi_walk_state;
61struct acpi_obj_mutex;
62union acpi_parse_object;
63
64/*****************************************************************************
65 *
66 * Mutex typedefs and structs
67 *
68 ****************************************************************************/
69
70/*
71 * Predefined handles for the mutex objects used within the subsystem
72 * All mutex objects are automatically created by acpi_ut_mutex_initialize.
73 *
74 * The acquire/release ordering protocol is implied via this list. Mutexes
75 * with a lower value must be acquired before mutexes with a higher value.
76 *
77 * NOTE: any changes here must be reflected in the acpi_gbl_mutex_names
78 * table below also!
79 */
80#define ACPI_MTX_INTERPRETER            0	/* AML Interpreter, main lock */
81#define ACPI_MTX_NAMESPACE              1	/* ACPI Namespace */
82#define ACPI_MTX_TABLES                 2	/* Data for ACPI tables */
83#define ACPI_MTX_EVENTS                 3	/* Data for ACPI events */
84#define ACPI_MTX_CACHES                 4	/* Internal caches, general purposes */
85#define ACPI_MTX_MEMORY                 5	/* Debug memory tracking lists */
86#define ACPI_MTX_DEBUG_CMD_COMPLETE     6	/* AML debugger */
87#define ACPI_MTX_DEBUG_CMD_READY        7	/* AML debugger */
88
89#define ACPI_MAX_MUTEX                  7
90#define ACPI_NUM_MUTEX                  ACPI_MAX_MUTEX+1
91
92#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
93#ifdef DEFINE_ACPI_GLOBALS
94
95/* Debug names for the mutexes above */
96
97static char *acpi_gbl_mutex_names[ACPI_NUM_MUTEX] = {
98	"ACPI_MTX_Interpreter",
99	"ACPI_MTX_Namespace",
100	"ACPI_MTX_Tables",
101	"ACPI_MTX_Events",
102	"ACPI_MTX_Caches",
103	"ACPI_MTX_Memory",
104	"ACPI_MTX_CommandComplete",
105	"ACPI_MTX_CommandReady"
106};
107
108#endif
109#endif
110
111/* Lock structure for reader/writer interfaces */
112
113struct acpi_rw_lock {
114	acpi_mutex writer_mutex;
115	acpi_mutex reader_mutex;
116	u32 num_readers;
117};
118
119/*
120 * Predefined handles for spinlocks used within the subsystem.
121 * These spinlocks are created by acpi_ut_mutex_initialize
122 */
123#define ACPI_LOCK_GPES                  0
124#define ACPI_LOCK_HARDWARE              1
125
126#define ACPI_MAX_LOCK                   1
127#define ACPI_NUM_LOCK                   ACPI_MAX_LOCK+1
128
129/* This Thread ID means that the mutex is not in use (unlocked) */
130
131#define ACPI_MUTEX_NOT_ACQUIRED         (acpi_thread_id) 0
132
133/* Table for the global mutexes */
134
135struct acpi_mutex_info {
136	acpi_mutex mutex;
137	u32 use_count;
138	acpi_thread_id thread_id;
139};
140
141/* Lock flag parameter for various interfaces */
142
143#define ACPI_MTX_DO_NOT_LOCK            0
144#define ACPI_MTX_LOCK                   1
145
146/* Field access granularities */
147
148#define ACPI_FIELD_BYTE_GRANULARITY     1
149#define ACPI_FIELD_WORD_GRANULARITY     2
150#define ACPI_FIELD_DWORD_GRANULARITY    4
151#define ACPI_FIELD_QWORD_GRANULARITY    8
152
153#define ACPI_ENTRY_NOT_FOUND            NULL
154
155/*****************************************************************************
156 *
157 * Namespace typedefs and structs
158 *
159 ****************************************************************************/
160
161/* Operational modes of the AML interpreter/scanner */
162
163typedef enum {
164	ACPI_IMODE_LOAD_PASS1 = 0x01,
165	ACPI_IMODE_LOAD_PASS2 = 0x02,
166	ACPI_IMODE_EXECUTE = 0x03
167} acpi_interpreter_mode;
168
169/*
170 * The Namespace Node describes a named object that appears in the AML.
171 * descriptor_type is used to differentiate between internal descriptors.
172 *
173 * The node is optimized for both 32-bit and 64-bit platforms:
174 * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case.
175 *
176 * Note: The descriptor_type and Type fields must appear in the identical
177 * position in both the struct acpi_namespace_node and union acpi_operand_object
178 * structures.
179 */
180struct acpi_namespace_node {
181	union acpi_operand_object *object;	/* Interpreter object */
182	u8 descriptor_type;	/* Differentiate object descriptor types */
183	u8 type;		/* ACPI Type associated with this name */
184	u8 flags;		/* Miscellaneous flags */
185	acpi_owner_id owner_id;	/* Node creator */
186	union acpi_name_union name;	/* ACPI Name, always 4 chars per ACPI spec */
187	struct acpi_namespace_node *parent;	/* Parent node */
188	struct acpi_namespace_node *child;	/* First child */
189	struct acpi_namespace_node *peer;	/* First peer */
190
191	/*
192	 * The following fields are used by the ASL compiler and disassembler only
193	 */
194#ifdef ACPI_LARGE_NAMESPACE_NODE
195	union acpi_parse_object *op;
196	u32 value;
197	u32 length;
198#endif
199};
200
201/* Namespace Node flags */
202
203#define ANOBJ_RESERVED                  0x01	/* Available for use */
204#define ANOBJ_TEMPORARY                 0x02	/* Node is create by a method and is temporary */
205#define ANOBJ_METHOD_ARG                0x04	/* Node is a method argument */
206#define ANOBJ_METHOD_LOCAL              0x08	/* Node is a method local */
207#define ANOBJ_SUBTREE_HAS_INI           0x10	/* Used to optimize device initialization */
208#define ANOBJ_EVALUATED                 0x20	/* Set on first evaluation of node */
209#define ANOBJ_ALLOCATED_BUFFER          0x40	/* Method AML buffer is dynamic (install_method) */
210
211#define ANOBJ_IS_EXTERNAL               0x08	/* i_aSL only: This object created via External() */
212#define ANOBJ_METHOD_NO_RETVAL          0x10	/* i_aSL only: Method has no return value */
213#define ANOBJ_METHOD_SOME_NO_RETVAL     0x20	/* i_aSL only: Method has at least one return value */
214#define ANOBJ_IS_BIT_OFFSET             0x40	/* i_aSL only: Reference is a bit offset */
215#define ANOBJ_IS_REFERENCED             0x80	/* i_aSL only: Object was referenced */
216
217/* Internal ACPI table management - master table list */
218
219struct acpi_table_list {
220	struct acpi_table_desc *tables;	/* Table descriptor array */
221	u32 current_table_count;	/* Tables currently in the array */
222	u32 max_table_count;	/* Max tables array will hold */
223	u8 flags;
224};
225
226/* Flags for above */
227
228#define ACPI_ROOT_ORIGIN_UNKNOWN        (0)	/* ~ORIGIN_ALLOCATED */
229#define ACPI_ROOT_ORIGIN_ALLOCATED      (1)
230#define ACPI_ROOT_ALLOW_RESIZE          (2)
231
232/* Predefined (fixed) table indexes */
233
234#define ACPI_TABLE_INDEX_DSDT           (0)
235#define ACPI_TABLE_INDEX_FACS           (1)
236
237struct acpi_find_context {
238	char *search_for;
239	acpi_handle *list;
240	u32 *count;
241};
242
243struct acpi_ns_search_data {
244	struct acpi_namespace_node *node;
245};
246
247/* Object types used during package copies */
248
249#define ACPI_COPY_TYPE_SIMPLE           0
250#define ACPI_COPY_TYPE_PACKAGE          1
251
252/* Info structure used to convert external<->internal namestrings */
253
254struct acpi_namestring_info {
255	const char *external_name;
256	const char *next_external_char;
257	char *internal_name;
258	u32 length;
259	u32 num_segments;
260	u32 num_carats;
261	u8 fully_qualified;
262};
263
264/* Field creation info */
265
266struct acpi_create_field_info {
267	struct acpi_namespace_node *region_node;
268	struct acpi_namespace_node *field_node;
269	struct acpi_namespace_node *register_node;
270	struct acpi_namespace_node *data_register_node;
271	u32 bank_value;
272	u32 field_bit_position;
273	u32 field_bit_length;
274	u8 field_flags;
275	u8 attribute;
276	u8 field_type;
277};
278
279typedef
280acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state);
281
282/*
283 * Bitmapped ACPI types.  Used internally only
284 */
285#define ACPI_BTYPE_ANY                  0x00000000
286#define ACPI_BTYPE_INTEGER              0x00000001
287#define ACPI_BTYPE_STRING               0x00000002
288#define ACPI_BTYPE_BUFFER               0x00000004
289#define ACPI_BTYPE_PACKAGE              0x00000008
290#define ACPI_BTYPE_FIELD_UNIT           0x00000010
291#define ACPI_BTYPE_DEVICE               0x00000020
292#define ACPI_BTYPE_EVENT                0x00000040
293#define ACPI_BTYPE_METHOD               0x00000080
294#define ACPI_BTYPE_MUTEX                0x00000100
295#define ACPI_BTYPE_REGION               0x00000200
296#define ACPI_BTYPE_POWER                0x00000400
297#define ACPI_BTYPE_PROCESSOR            0x00000800
298#define ACPI_BTYPE_THERMAL              0x00001000
299#define ACPI_BTYPE_BUFFER_FIELD         0x00002000
300#define ACPI_BTYPE_DDB_HANDLE           0x00004000
301#define ACPI_BTYPE_DEBUG_OBJECT         0x00008000
302#define ACPI_BTYPE_REFERENCE            0x00010000
303#define ACPI_BTYPE_RESOURCE             0x00020000
304
305#define ACPI_BTYPE_COMPUTE_DATA         (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER)
306
307#define ACPI_BTYPE_DATA                 (ACPI_BTYPE_COMPUTE_DATA  | ACPI_BTYPE_PACKAGE)
308#define ACPI_BTYPE_DATA_REFERENCE       (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE)
309#define ACPI_BTYPE_DEVICE_OBJECTS       (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR)
310#define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF	/* ARG or LOCAL */
311#define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF
312
313/*
314 * Information structure for ACPI predefined names.
315 * Each entry in the table contains the following items:
316 *
317 * Name                 - The ACPI reserved name
318 * param_count          - Number of arguments to the method
319 * expected_return_btypes - Allowed type(s) for the return value
320 */
321struct acpi_name_info {
322	char name[ACPI_NAME_SIZE];
323	u8 param_count;
324	u8 expected_btypes;
325};
326
327/*
328 * Secondary information structures for ACPI predefined objects that return
329 * package objects. This structure appears as the next entry in the table
330 * after the NAME_INFO structure above.
331 *
332 * The reason for this is to minimize the size of the predefined name table.
333 */
334
335/*
336 * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2,
337 * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT
338 */
339struct acpi_package_info {
340	u8 type;
341	u8 object_type1;
342	u8 count1;
343	u8 object_type2;
344	u8 count2;
345	u8 reserved;
346};
347
348/* Used for ACPI_PTYPE2_FIXED */
349
350struct acpi_package_info2 {
351	u8 type;
352	u8 count;
353	u8 object_type[4];
354};
355
356/* Used for ACPI_PTYPE1_OPTION */
357
358struct acpi_package_info3 {
359	u8 type;
360	u8 count;
361	u8 object_type[2];
362	u8 tail_object_type;
363	u8 reserved;
364};
365
366union acpi_predefined_info {
367	struct acpi_name_info info;
368	struct acpi_package_info ret_info;
369	struct acpi_package_info2 ret_info2;
370	struct acpi_package_info3 ret_info3;
371};
372
373/* Data block used during object validation */
374
375struct acpi_predefined_data {
376	char *pathname;
377	const union acpi_predefined_info *predefined;
378	union acpi_operand_object *parent_package;
379	u32 flags;
380	u8 node_flags;
381};
382
383/* Defines for Flags field above */
384
385#define ACPI_OBJECT_REPAIRED    1
386
387/*
388 * Bitmapped return value types
389 * Note: the actual data types must be contiguous, a loop in nspredef.c
390 * depends on this.
391 */
392#define ACPI_RTYPE_ANY                  0x00
393#define ACPI_RTYPE_NONE                 0x01
394#define ACPI_RTYPE_INTEGER              0x02
395#define ACPI_RTYPE_STRING               0x04
396#define ACPI_RTYPE_BUFFER               0x08
397#define ACPI_RTYPE_PACKAGE              0x10
398#define ACPI_RTYPE_REFERENCE            0x20
399#define ACPI_RTYPE_ALL                  0x3F
400
401#define ACPI_NUM_RTYPES                 5	/* Number of actual object types */
402
403/*****************************************************************************
404 *
405 * Event typedefs and structs
406 *
407 ****************************************************************************/
408
409/* Dispatch info for each GPE -- either a method or handler, cannot be both */
410
411struct acpi_handler_info {
412	acpi_event_handler address;	/* Address of handler, if any */
413	void *context;		/* Context to be passed to handler */
414	struct acpi_namespace_node *method_node;	/* Method node for this GPE level (saved) */
415	u8 orig_flags;		/* Original misc info about this GPE */
416};
417
418union acpi_gpe_dispatch_info {
419	struct acpi_namespace_node *method_node;	/* Method node for this GPE level */
420	struct acpi_handler_info *handler;
421};
422
423/*
424 * Information about a GPE, one per each GPE in an array.
425 * NOTE: Important to keep this struct as small as possible.
426 */
427struct acpi_gpe_event_info {
428	union acpi_gpe_dispatch_info dispatch;	/* Either Method or Handler */
429	struct acpi_gpe_register_info *register_info;	/* Backpointer to register info */
430	u8 flags;		/* Misc info about this GPE */
431	u8 gpe_number;		/* This GPE */
432	u8 runtime_count;	/* References to a run GPE */
433};
434
435/* Information about a GPE register pair, one per each status/enable pair in an array */
436
437struct acpi_gpe_register_info {
438	struct acpi_generic_address status_address;	/* Address of status reg */
439	struct acpi_generic_address enable_address;	/* Address of enable reg */
440	u8 enable_for_wake;	/* GPEs to keep enabled when sleeping */
441	u8 enable_for_run;	/* GPEs to keep enabled when running */
442	u8 base_gpe_number;	/* Base GPE number for this register */
443};
444
445/*
446 * Information about a GPE register block, one per each installed block --
447 * GPE0, GPE1, and one per each installed GPE Block Device.
448 */
449struct acpi_gpe_block_info {
450	struct acpi_namespace_node *node;
451	struct acpi_gpe_block_info *previous;
452	struct acpi_gpe_block_info *next;
453	struct acpi_gpe_xrupt_info *xrupt_block;	/* Backpointer to interrupt block */
454	struct acpi_gpe_register_info *register_info;	/* One per GPE register pair */
455	struct acpi_gpe_event_info *event_info;	/* One for each GPE */
456	struct acpi_generic_address block_address;	/* Base address of the block */
457	u32 register_count;	/* Number of register pairs in block */
458	u16 gpe_count;		/* Number of individual GPEs in block */
459	u8 block_base_number;	/* Base GPE number for this block */
460};
461
462/* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
463
464struct acpi_gpe_xrupt_info {
465	struct acpi_gpe_xrupt_info *previous;
466	struct acpi_gpe_xrupt_info *next;
467	struct acpi_gpe_block_info *gpe_block_list_head;	/* List of GPE blocks for this xrupt */
468	u32 interrupt_number;	/* System interrupt number */
469};
470
471struct acpi_gpe_walk_info {
472	struct acpi_namespace_node *gpe_device;
473	struct acpi_gpe_block_info *gpe_block;
474	u16 count;
475	acpi_owner_id owner_id;
476	u8 enable_this_gpe;
477	u8 execute_by_owner_id;
478};
479
480struct acpi_gpe_device_info {
481	u32 index;
482	u32 next_block_base_index;
483	acpi_status status;
484	struct acpi_namespace_node *gpe_device;
485};
486
487typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *gpe_xrupt_info,
488		struct acpi_gpe_block_info *gpe_block, void *context);
489
490/* Information about each particular fixed event */
491
492struct acpi_fixed_event_handler {
493	acpi_event_handler handler;	/* Address of handler. */
494	void *context;		/* Context to be passed to handler */
495};
496
497struct acpi_fixed_event_info {
498	u8 status_register_id;
499	u8 enable_register_id;
500	u16 status_bit_mask;
501	u16 enable_bit_mask;
502};
503
504/* Information used during field processing */
505
506struct acpi_field_info {
507	u8 skip_field;
508	u8 field_flag;
509	u32 pkg_length;
510};
511
512/*****************************************************************************
513 *
514 * Generic "state" object for stacks
515 *
516 ****************************************************************************/
517
518#define ACPI_CONTROL_NORMAL                  0xC0
519#define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
520#define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
521#define ACPI_CONTROL_PREDICATE_FALSE         0xC3
522#define ACPI_CONTROL_PREDICATE_TRUE          0xC4
523
524#define ACPI_STATE_COMMON \
525	void                            *next; \
526	u8                              descriptor_type; /* To differentiate various internal objs */\
527	u8                              flags; \
528	u16                             value; \
529	u16                             state;
530
531	/* There are 2 bytes available here until the next natural alignment boundary */
532
533struct acpi_common_state {
534ACPI_STATE_COMMON};
535
536/*
537 * Update state - used to traverse complex objects such as packages
538 */
539struct acpi_update_state {
540	ACPI_STATE_COMMON union acpi_operand_object *object;
541};
542
543/*
544 * Pkg state - used to traverse nested package structures
545 */
546struct acpi_pkg_state {
547	ACPI_STATE_COMMON u16 index;
548	union acpi_operand_object *source_object;
549	union acpi_operand_object *dest_object;
550	struct acpi_walk_state *walk_state;
551	void *this_target_obj;
552	u32 num_packages;
553};
554
555/*
556 * Control state - one per if/else and while constructs.
557 * Allows nesting of these constructs
558 */
559struct acpi_control_state {
560	ACPI_STATE_COMMON u16 opcode;
561	union acpi_parse_object *predicate_op;
562	u8 *aml_predicate_start;	/* Start of if/while predicate */
563	u8 *package_end;	/* End of if/while block */
564	u32 loop_count;		/* While() loop counter */
565};
566
567/*
568 * Scope state - current scope during namespace lookups
569 */
570struct acpi_scope_state {
571	ACPI_STATE_COMMON struct acpi_namespace_node *node;
572};
573
574struct acpi_pscope_state {
575	ACPI_STATE_COMMON u32 arg_count;	/* Number of fixed arguments */
576	union acpi_parse_object *op;	/* Current op being parsed */
577	u8 *arg_end;		/* Current argument end */
578	u8 *pkg_end;		/* Current package end */
579	u32 arg_list;		/* Next argument to parse */
580};
581
582/*
583 * Thread state - one per thread across multiple walk states.  Multiple walk
584 * states are created when there are nested control methods executing.
585 */
586struct acpi_thread_state {
587	ACPI_STATE_COMMON u8 current_sync_level;	/* Mutex Sync (nested acquire) level */
588	struct acpi_walk_state *walk_state_list;	/* Head of list of walk_states for this thread */
589	union acpi_operand_object *acquired_mutex_list;	/* List of all currently acquired mutexes */
590	acpi_thread_id thread_id;	/* Running thread ID */
591};
592
593/*
594 * Result values - used to accumulate the results of nested
595 * AML arguments
596 */
597struct acpi_result_values {
598	ACPI_STATE_COMMON
599	    union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
600};
601
602typedef
603acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
604				    union acpi_parse_object ** out_op);
605
606typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
607
608/*
609 * Notify info - used to pass info to the deferred notify
610 * handler/dispatcher.
611 */
612struct acpi_notify_info {
613	ACPI_STATE_COMMON struct acpi_namespace_node *node;
614	union acpi_operand_object *handler_obj;
615};
616
617/* Generic state is union of structs above */
618
619union acpi_generic_state {
620	struct acpi_common_state common;
621	struct acpi_control_state control;
622	struct acpi_update_state update;
623	struct acpi_scope_state scope;
624	struct acpi_pscope_state parse_scope;
625	struct acpi_pkg_state pkg;
626	struct acpi_thread_state thread;
627	struct acpi_result_values results;
628	struct acpi_notify_info notify;
629};
630
631/*****************************************************************************
632 *
633 * Interpreter typedefs and structs
634 *
635 ****************************************************************************/
636
637typedef acpi_status(*ACPI_EXECUTE_OP) (struct acpi_walk_state * walk_state);
638
639/*****************************************************************************
640 *
641 * Parser typedefs and structs
642 *
643 ****************************************************************************/
644
645/*
646 * AML opcode, name, and argument layout
647 */
648struct acpi_opcode_info {
649#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
650	char *name;		/* Opcode name (disassembler/debug only) */
651#endif
652	u32 parse_args;		/* Grammar/Parse time arguments */
653	u32 runtime_args;	/* Interpret time arguments */
654	u16 flags;		/* Misc flags */
655	u8 object_type;		/* Corresponding internal object type */
656	u8 class;		/* Opcode class */
657	u8 type;		/* Opcode type */
658};
659
660union acpi_parse_value {
661	u64 integer;		/* Integer constant (Up to 64 bits) */
662	u32 size;		/* bytelist or field size */
663	char *string;		/* NULL terminated string */
664	u8 *buffer;		/* buffer or string */
665	char *name;		/* NULL terminated string */
666	union acpi_parse_object *arg;	/* arguments and contained ops */
667};
668
669#ifdef ACPI_DISASSEMBLER
670#define ACPI_DISASM_ONLY_MEMBERS(a)     a;
671#else
672#define ACPI_DISASM_ONLY_MEMBERS(a)
673#endif
674
675#define ACPI_PARSE_COMMON \
676	union acpi_parse_object         *parent;        /* Parent op */\
677	u8                              descriptor_type; /* To differentiate various internal objs */\
678	u8                              flags;          /* Type of Op */\
679	u16                             aml_opcode;     /* AML opcode */\
680	u32                             aml_offset;     /* Offset of declaration in AML */\
681	union acpi_parse_object         *next;          /* Next op */\
682	struct acpi_namespace_node      *node;          /* For use by interpreter */\
683	union acpi_parse_value          value;          /* Value or args associated with the opcode */\
684	u8                              arg_list_length; /* Number of elements in the arg list */\
685	ACPI_DISASM_ONLY_MEMBERS (\
686	u8                              disasm_flags;   /* Used during AML disassembly */\
687	u8                              disasm_opcode;  /* Subtype used for disassembly */\
688	char                            aml_op_name[16])	/* Op name (debug only) */
689
690#define ACPI_DASM_BUFFER                0x00
691#define ACPI_DASM_RESOURCE              0x01
692#define ACPI_DASM_STRING                0x02
693#define ACPI_DASM_UNICODE               0x03
694#define ACPI_DASM_EISAID                0x04
695#define ACPI_DASM_MATCHOP               0x05
696#define ACPI_DASM_LNOT_PREFIX           0x06
697#define ACPI_DASM_LNOT_SUFFIX           0x07
698#define ACPI_DASM_IGNORE                0x08
699
700/*
701 * Generic operation (for example:  If, While, Store)
702 */
703struct acpi_parse_obj_common {
704ACPI_PARSE_COMMON};
705
706/*
707 * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
708 * and bytelists.
709 */
710struct acpi_parse_obj_named {
711	ACPI_PARSE_COMMON u8 *path;
712	u8 *data;		/* AML body or bytelist data */
713	u32 length;		/* AML length */
714	u32 name;		/* 4-byte name or zero if no name */
715};
716
717/* This version is used by the i_aSL compiler only */
718
719#define ACPI_MAX_PARSEOP_NAME   20
720
721struct acpi_parse_obj_asl {
722	ACPI_PARSE_COMMON union acpi_parse_object *child;
723	union acpi_parse_object *parent_method;
724	char *filename;
725	char *external_name;
726	char *namepath;
727	char name_seg[4];
728	u32 extra_value;
729	u32 column;
730	u32 line_number;
731	u32 logical_line_number;
732	u32 logical_byte_offset;
733	u32 end_line;
734	u32 end_logical_line;
735	u32 acpi_btype;
736	u32 aml_length;
737	u32 aml_subtree_length;
738	u32 final_aml_length;
739	u32 final_aml_offset;
740	u32 compile_flags;
741	u16 parse_opcode;
742	u8 aml_opcode_length;
743	u8 aml_pkg_len_bytes;
744	u8 extra;
745	char parse_op_name[ACPI_MAX_PARSEOP_NAME];
746};
747
748union acpi_parse_object {
749	struct acpi_parse_obj_common common;
750	struct acpi_parse_obj_named named;
751	struct acpi_parse_obj_asl asl;
752};
753
754/*
755 * Parse state - one state per parser invocation and each control
756 * method.
757 */
758struct acpi_parse_state {
759	u8 *aml_start;		/* First AML byte */
760	u8 *aml;		/* Next AML byte */
761	u8 *aml_end;		/* (last + 1) AML byte */
762	u8 *pkg_start;		/* Current package begin */
763	u8 *pkg_end;		/* Current package end */
764	union acpi_parse_object *start_op;	/* Root of parse tree */
765	struct acpi_namespace_node *start_node;
766	union acpi_generic_state *scope;	/* Current scope */
767	union acpi_parse_object *start_scope;
768	u32 aml_size;
769};
770
771/* Parse object flags */
772
773#define ACPI_PARSEOP_GENERIC            0x01
774#define ACPI_PARSEOP_NAMED              0x02
775#define ACPI_PARSEOP_DEFERRED           0x04
776#define ACPI_PARSEOP_BYTELIST           0x08
777#define ACPI_PARSEOP_IN_STACK           0x10
778#define ACPI_PARSEOP_TARGET             0x20
779#define ACPI_PARSEOP_IN_CACHE           0x80
780
781/* Parse object disasm_flags */
782
783#define ACPI_PARSEOP_IGNORE             0x01
784#define ACPI_PARSEOP_PARAMLIST          0x02
785#define ACPI_PARSEOP_EMPTY_TERMLIST     0x04
786#define ACPI_PARSEOP_SPECIAL            0x10
787
788/*****************************************************************************
789 *
790 * Hardware (ACPI registers) and PNP
791 *
792 ****************************************************************************/
793
794struct acpi_bit_register_info {
795	u8 parent_register;
796	u8 bit_position;
797	u16 access_bit_mask;
798};
799
800/*
801 * Some ACPI registers have bits that must be ignored -- meaning that they
802 * must be preserved.
803 */
804#define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800	/* Bit 11 */
805
806/* Write-only bits must be zeroed by software */
807
808#define ACPI_PM1_CONTROL_WRITEONLY_BITS         0x2004	/* Bits 13, 2 */
809
810/* For control registers, both ignored and reserved bits must be preserved */
811
812/*
813 * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the
814 * ACPI specification to be a "preserved" bit - "OSPM always preserves this
815 * bit position", section 4.7.3.2.1. However, on some machines the OS must
816 * write a one to this bit after resume for the machine to work properly.
817 * To enable this, we no longer attempt to preserve this bit. No machines
818 * are known to fail if the bit is not preserved. (May 2009)
819 */
820#define ACPI_PM1_CONTROL_IGNORED_BITS           0x0200	/* Bit 9 */
821#define ACPI_PM1_CONTROL_RESERVED_BITS          0xC1F8	/* Bits 14-15, 3-8 */
822#define ACPI_PM1_CONTROL_PRESERVED_BITS \
823	       (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)
824
825#define ACPI_PM2_CONTROL_PRESERVED_BITS         0xFFFFFFFE	/* All except bit 0 */
826
827/*
828 * Register IDs
829 * These are the full ACPI registers
830 */
831#define ACPI_REGISTER_PM1_STATUS                0x01
832#define ACPI_REGISTER_PM1_ENABLE                0x02
833#define ACPI_REGISTER_PM1_CONTROL               0x03
834#define ACPI_REGISTER_PM2_CONTROL               0x04
835#define ACPI_REGISTER_PM_TIMER                  0x05
836#define ACPI_REGISTER_PROCESSOR_BLOCK           0x06
837#define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x07
838
839/* Masks used to access the bit_registers */
840
841#define ACPI_BITMASK_TIMER_STATUS               0x0001
842#define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
843#define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
844#define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
845#define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
846#define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
847#define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000	/* ACPI 3.0 */
848#define ACPI_BITMASK_WAKE_STATUS                0x8000
849
850#define ACPI_BITMASK_ALL_FIXED_STATUS           (\
851	ACPI_BITMASK_TIMER_STATUS          | \
852	ACPI_BITMASK_BUS_MASTER_STATUS     | \
853	ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
854	ACPI_BITMASK_POWER_BUTTON_STATUS   | \
855	ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
856	ACPI_BITMASK_RT_CLOCK_STATUS       | \
857	ACPI_BITMASK_PCIEXP_WAKE_DISABLE   | \
858	ACPI_BITMASK_WAKE_STATUS)
859
860#define ACPI_BITMASK_TIMER_ENABLE               0x0001
861#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
862#define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
863#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
864#define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
865#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000	/* ACPI 3.0 */
866
867#define ACPI_BITMASK_SCI_ENABLE                 0x0001
868#define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
869#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
870#define ACPI_BITMASK_SLEEP_TYPE                 0x1C00
871#define ACPI_BITMASK_SLEEP_ENABLE               0x2000
872
873#define ACPI_BITMASK_ARB_DISABLE                0x0001
874
875/* Raw bit position of each bit_register */
876
877#define ACPI_BITPOSITION_TIMER_STATUS           0x00
878#define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
879#define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
880#define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
881#define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
882#define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
883#define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E	/* ACPI 3.0 */
884#define ACPI_BITPOSITION_WAKE_STATUS            0x0F
885
886#define ACPI_BITPOSITION_TIMER_ENABLE           0x00
887#define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
888#define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
889#define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
890#define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
891#define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E	/* ACPI 3.0 */
892
893#define ACPI_BITPOSITION_SCI_ENABLE             0x00
894#define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
895#define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
896#define ACPI_BITPOSITION_SLEEP_TYPE             0x0A
897#define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
898
899#define ACPI_BITPOSITION_ARB_DISABLE            0x00
900
901/* Structs and definitions for _OSI support and I/O port validation */
902
903#define ACPI_OSI_WIN_2000               0x01
904#define ACPI_OSI_WIN_XP                 0x02
905#define ACPI_OSI_WIN_XP_SP1             0x03
906#define ACPI_OSI_WINSRV_2003            0x04
907#define ACPI_OSI_WIN_XP_SP2             0x05
908#define ACPI_OSI_WINSRV_2003_SP1        0x06
909#define ACPI_OSI_WIN_VISTA              0x07
910#define ACPI_OSI_WINSRV_2008            0x08
911#define ACPI_OSI_WIN_VISTA_SP1          0x09
912#define ACPI_OSI_WIN_7                  0x0A
913
914#define ACPI_ALWAYS_ILLEGAL             0x00
915
916struct acpi_interface_info {
917	char *name;
918	u8 value;
919};
920
921struct acpi_port_info {
922	char *name;
923	u16 start;
924	u16 end;
925	u8 osi_dependency;
926};
927
928/*****************************************************************************
929 *
930 * Resource descriptors
931 *
932 ****************************************************************************/
933
934/* resource_type values */
935
936#define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
937#define ACPI_ADDRESS_TYPE_IO_RANGE              1
938#define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
939
940/* Resource descriptor types and masks */
941
942#define ACPI_RESOURCE_NAME_LARGE                0x80
943#define ACPI_RESOURCE_NAME_SMALL                0x00
944
945#define ACPI_RESOURCE_NAME_SMALL_MASK           0x78	/* Bits 6:3 contain the type */
946#define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07	/* Bits 2:0 contain the length */
947#define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F	/* Bits 6:0 contain the type */
948
949/*
950 * Small resource descriptor "names" as defined by the ACPI specification.
951 * Note: Bits 2:0 are used for the descriptor length
952 */
953#define ACPI_RESOURCE_NAME_IRQ                  0x20
954#define ACPI_RESOURCE_NAME_DMA                  0x28
955#define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
956#define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
957#define ACPI_RESOURCE_NAME_IO                   0x40
958#define ACPI_RESOURCE_NAME_FIXED_IO             0x48
959#define ACPI_RESOURCE_NAME_RESERVED_S1          0x50
960#define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
961#define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
962#define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
963#define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
964#define ACPI_RESOURCE_NAME_END_TAG              0x78
965
966/*
967 * Large resource descriptor "names" as defined by the ACPI specification.
968 * Note: includes the Large Descriptor bit in bit[7]
969 */
970#define ACPI_RESOURCE_NAME_MEMORY24             0x81
971#define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
972#define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
973#define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
974#define ACPI_RESOURCE_NAME_MEMORY32             0x85
975#define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
976#define ACPI_RESOURCE_NAME_ADDRESS32            0x87
977#define ACPI_RESOURCE_NAME_ADDRESS16            0x88
978#define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
979#define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
980#define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
981#define ACPI_RESOURCE_NAME_LARGE_MAX            0x8B
982
983/*****************************************************************************
984 *
985 * Miscellaneous
986 *
987 ****************************************************************************/
988
989#define ACPI_ASCII_ZERO                 0x30
990
991/*****************************************************************************
992 *
993 * Debugger
994 *
995 ****************************************************************************/
996
997struct acpi_db_method_info {
998	acpi_handle main_thread_gate;
999	acpi_handle thread_complete_gate;
1000	u32 *threads;
1001	u32 num_threads;
1002	u32 num_created;
1003	u32 num_completed;
1004
1005	char *name;
1006	u32 flags;
1007	u32 num_loops;
1008	char pathname[128];
1009	char **args;
1010
1011	/*
1012	 * Arguments to be passed to method for the command
1013	 * Threads -
1014	 *   the Number of threads, ID of current thread and
1015	 *   Index of current thread inside all them created.
1016	 */
1017	char init_args;
1018	char *arguments[4];
1019	char num_threads_str[11];
1020	char id_of_thread_str[11];
1021	char index_of_thread_str[11];
1022};
1023
1024struct acpi_integrity_info {
1025	u32 nodes;
1026	u32 objects;
1027};
1028
1029#define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
1030#define ACPI_DB_CONSOLE_OUTPUT          0x02
1031#define ACPI_DB_DUPLICATE_OUTPUT        0x03
1032
1033/*****************************************************************************
1034 *
1035 * Debug
1036 *
1037 ****************************************************************************/
1038
1039/* Entry for a memory allocation (debug only) */
1040
1041#define ACPI_MEM_MALLOC                 0
1042#define ACPI_MEM_CALLOC                 1
1043#define ACPI_MAX_MODULE_NAME            16
1044
1045#define ACPI_COMMON_DEBUG_MEM_HEADER \
1046	struct acpi_debug_mem_block     *previous; \
1047	struct acpi_debug_mem_block     *next; \
1048	u32                             size; \
1049	u32                             component; \
1050	u32                             line; \
1051	char                            module[ACPI_MAX_MODULE_NAME]; \
1052	u8                              alloc_type;
1053
1054struct acpi_debug_mem_header {
1055ACPI_COMMON_DEBUG_MEM_HEADER};
1056
1057struct acpi_debug_mem_block {
1058	ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
1059};
1060
1061#define ACPI_MEM_LIST_GLOBAL            0
1062#define ACPI_MEM_LIST_NSNODE            1
1063#define ACPI_MEM_LIST_MAX               1
1064#define ACPI_NUM_MEM_LISTS              2
1065
1066#endif				/* __ACLOCAL_H__ */
1067