1 /******************************************************************************
2  *
3  * Name: aclocal.h - Internal data types used across the ACPI subsystem
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2011, 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 
51 typedef 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 
60 struct acpi_walk_state;
61 struct acpi_obj_mutex;
62 union 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 /* Lock structure for reader/writer interfaces */
93 
94 struct acpi_rw_lock {
95 	acpi_mutex writer_mutex;
96 	acpi_mutex reader_mutex;
97 	u32 num_readers;
98 };
99 
100 /*
101  * Predefined handles for spinlocks used within the subsystem.
102  * These spinlocks are created by acpi_ut_mutex_initialize
103  */
104 #define ACPI_LOCK_GPES                  0
105 #define ACPI_LOCK_HARDWARE              1
106 
107 #define ACPI_MAX_LOCK                   1
108 #define ACPI_NUM_LOCK                   ACPI_MAX_LOCK+1
109 
110 /* This Thread ID means that the mutex is not in use (unlocked) */
111 
112 #define ACPI_MUTEX_NOT_ACQUIRED         (acpi_thread_id) 0
113 
114 /* Table for the global mutexes */
115 
116 struct acpi_mutex_info {
117 	acpi_mutex mutex;
118 	u32 use_count;
119 	acpi_thread_id thread_id;
120 };
121 
122 /* Lock flag parameter for various interfaces */
123 
124 #define ACPI_MTX_DO_NOT_LOCK            0
125 #define ACPI_MTX_LOCK                   1
126 
127 /* Field access granularities */
128 
129 #define ACPI_FIELD_BYTE_GRANULARITY     1
130 #define ACPI_FIELD_WORD_GRANULARITY     2
131 #define ACPI_FIELD_DWORD_GRANULARITY    4
132 #define ACPI_FIELD_QWORD_GRANULARITY    8
133 
134 #define ACPI_ENTRY_NOT_FOUND            NULL
135 
136 /*****************************************************************************
137  *
138  * Namespace typedefs and structs
139  *
140  ****************************************************************************/
141 
142 /* Operational modes of the AML interpreter/scanner */
143 
144 typedef enum {
145 	ACPI_IMODE_LOAD_PASS1 = 0x01,
146 	ACPI_IMODE_LOAD_PASS2 = 0x02,
147 	ACPI_IMODE_EXECUTE = 0x03
148 } acpi_interpreter_mode;
149 
150 /*
151  * The Namespace Node describes a named object that appears in the AML.
152  * descriptor_type is used to differentiate between internal descriptors.
153  *
154  * The node is optimized for both 32-bit and 64-bit platforms:
155  * 20 bytes for the 32-bit case, 32 bytes for the 64-bit case.
156  *
157  * Note: The descriptor_type and Type fields must appear in the identical
158  * position in both the struct acpi_namespace_node and union acpi_operand_object
159  * structures.
160  */
161 struct acpi_namespace_node {
162 	union acpi_operand_object *object;	/* Interpreter object */
163 	u8 descriptor_type;	/* Differentiate object descriptor types */
164 	u8 type;		/* ACPI Type associated with this name */
165 	u8 flags;		/* Miscellaneous flags */
166 	acpi_owner_id owner_id;	/* Node creator */
167 	union acpi_name_union name;	/* ACPI Name, always 4 chars per ACPI spec */
168 	struct acpi_namespace_node *parent;	/* Parent node */
169 	struct acpi_namespace_node *child;	/* First child */
170 	struct acpi_namespace_node *peer;	/* First peer */
171 
172 	/*
173 	 * The following fields are used by the ASL compiler and disassembler only
174 	 */
175 #ifdef ACPI_LARGE_NAMESPACE_NODE
176 	union acpi_parse_object *op;
177 	u32 value;
178 	u32 length;
179 #endif
180 };
181 
182 /* Namespace Node flags */
183 
184 #define ANOBJ_RESERVED                  0x01	/* Available for use */
185 #define ANOBJ_TEMPORARY                 0x02	/* Node is create by a method and is temporary */
186 #define ANOBJ_METHOD_ARG                0x04	/* Node is a method argument */
187 #define ANOBJ_METHOD_LOCAL              0x08	/* Node is a method local */
188 #define ANOBJ_SUBTREE_HAS_INI           0x10	/* Used to optimize device initialization */
189 #define ANOBJ_EVALUATED                 0x20	/* Set on first evaluation of node */
190 #define ANOBJ_ALLOCATED_BUFFER          0x40	/* Method AML buffer is dynamic (install_method) */
191 
192 #define ANOBJ_IS_EXTERNAL               0x08	/* i_aSL only: This object created via External() */
193 #define ANOBJ_METHOD_NO_RETVAL          0x10	/* i_aSL only: Method has no return value */
194 #define ANOBJ_METHOD_SOME_NO_RETVAL     0x20	/* i_aSL only: Method has at least one return value */
195 #define ANOBJ_IS_BIT_OFFSET             0x40	/* i_aSL only: Reference is a bit offset */
196 #define ANOBJ_IS_REFERENCED             0x80	/* i_aSL only: Object was referenced */
197 
198 /* Internal ACPI table management - master table list */
199 
200 struct acpi_table_list {
201 	struct acpi_table_desc *tables;	/* Table descriptor array */
202 	u32 current_table_count;	/* Tables currently in the array */
203 	u32 max_table_count;	/* Max tables array will hold */
204 	u8 flags;
205 };
206 
207 /* Flags for above */
208 
209 #define ACPI_ROOT_ORIGIN_UNKNOWN        (0)	/* ~ORIGIN_ALLOCATED */
210 #define ACPI_ROOT_ORIGIN_ALLOCATED      (1)
211 #define ACPI_ROOT_ALLOW_RESIZE          (2)
212 
213 /* Predefined (fixed) table indexes */
214 
215 #define ACPI_TABLE_INDEX_DSDT           (0)
216 #define ACPI_TABLE_INDEX_FACS           (1)
217 
218 struct acpi_find_context {
219 	char *search_for;
220 	acpi_handle *list;
221 	u32 *count;
222 };
223 
224 struct acpi_ns_search_data {
225 	struct acpi_namespace_node *node;
226 };
227 
228 /* Object types used during package copies */
229 
230 #define ACPI_COPY_TYPE_SIMPLE           0
231 #define ACPI_COPY_TYPE_PACKAGE          1
232 
233 /* Info structure used to convert external<->internal namestrings */
234 
235 struct acpi_namestring_info {
236 	const char *external_name;
237 	const char *next_external_char;
238 	char *internal_name;
239 	u32 length;
240 	u32 num_segments;
241 	u32 num_carats;
242 	u8 fully_qualified;
243 };
244 
245 /* Field creation info */
246 
247 struct acpi_create_field_info {
248 	struct acpi_namespace_node *region_node;
249 	struct acpi_namespace_node *field_node;
250 	struct acpi_namespace_node *register_node;
251 	struct acpi_namespace_node *data_register_node;
252 	u32 bank_value;
253 	u32 field_bit_position;
254 	u32 field_bit_length;
255 	u8 field_flags;
256 	u8 attribute;
257 	u8 field_type;
258 };
259 
260 typedef
261 acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state);
262 
263 /*
264  * Bitmapped ACPI types.  Used internally only
265  */
266 #define ACPI_BTYPE_ANY                  0x00000000
267 #define ACPI_BTYPE_INTEGER              0x00000001
268 #define ACPI_BTYPE_STRING               0x00000002
269 #define ACPI_BTYPE_BUFFER               0x00000004
270 #define ACPI_BTYPE_PACKAGE              0x00000008
271 #define ACPI_BTYPE_FIELD_UNIT           0x00000010
272 #define ACPI_BTYPE_DEVICE               0x00000020
273 #define ACPI_BTYPE_EVENT                0x00000040
274 #define ACPI_BTYPE_METHOD               0x00000080
275 #define ACPI_BTYPE_MUTEX                0x00000100
276 #define ACPI_BTYPE_REGION               0x00000200
277 #define ACPI_BTYPE_POWER                0x00000400
278 #define ACPI_BTYPE_PROCESSOR            0x00000800
279 #define ACPI_BTYPE_THERMAL              0x00001000
280 #define ACPI_BTYPE_BUFFER_FIELD         0x00002000
281 #define ACPI_BTYPE_DDB_HANDLE           0x00004000
282 #define ACPI_BTYPE_DEBUG_OBJECT         0x00008000
283 #define ACPI_BTYPE_REFERENCE            0x00010000
284 #define ACPI_BTYPE_RESOURCE             0x00020000
285 
286 #define ACPI_BTYPE_COMPUTE_DATA         (ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_BUFFER)
287 
288 #define ACPI_BTYPE_DATA                 (ACPI_BTYPE_COMPUTE_DATA  | ACPI_BTYPE_PACKAGE)
289 #define ACPI_BTYPE_DATA_REFERENCE       (ACPI_BTYPE_DATA | ACPI_BTYPE_REFERENCE | ACPI_BTYPE_DDB_HANDLE)
290 #define ACPI_BTYPE_DEVICE_OBJECTS       (ACPI_BTYPE_DEVICE | ACPI_BTYPE_THERMAL | ACPI_BTYPE_PROCESSOR)
291 #define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF	/* ARG or LOCAL */
292 #define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF
293 
294 /*
295  * Information structure for ACPI predefined names.
296  * Each entry in the table contains the following items:
297  *
298  * Name                 - The ACPI reserved name
299  * param_count          - Number of arguments to the method
300  * expected_return_btypes - Allowed type(s) for the return value
301  */
302 struct acpi_name_info {
303 	char name[ACPI_NAME_SIZE];
304 	u8 param_count;
305 	u8 expected_btypes;
306 };
307 
308 /*
309  * Secondary information structures for ACPI predefined objects that return
310  * package objects. This structure appears as the next entry in the table
311  * after the NAME_INFO structure above.
312  *
313  * The reason for this is to minimize the size of the predefined name table.
314  */
315 
316 /*
317  * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2,
318  * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT
319  */
320 struct acpi_package_info {
321 	u8 type;
322 	u8 object_type1;
323 	u8 count1;
324 	u8 object_type2;
325 	u8 count2;
326 	u8 reserved;
327 };
328 
329 /* Used for ACPI_PTYPE2_FIXED */
330 
331 struct acpi_package_info2 {
332 	u8 type;
333 	u8 count;
334 	u8 object_type[4];
335 };
336 
337 /* Used for ACPI_PTYPE1_OPTION */
338 
339 struct acpi_package_info3 {
340 	u8 type;
341 	u8 count;
342 	u8 object_type[2];
343 	u8 tail_object_type;
344 	u8 reserved;
345 };
346 
347 union acpi_predefined_info {
348 	struct acpi_name_info info;
349 	struct acpi_package_info ret_info;
350 	struct acpi_package_info2 ret_info2;
351 	struct acpi_package_info3 ret_info3;
352 };
353 
354 /* Data block used during object validation */
355 
356 struct acpi_predefined_data {
357 	char *pathname;
358 	const union acpi_predefined_info *predefined;
359 	union acpi_operand_object *parent_package;
360 	u32 flags;
361 	u8 node_flags;
362 };
363 
364 /* Defines for Flags field above */
365 
366 #define ACPI_OBJECT_REPAIRED    1
367 
368 /*
369  * Bitmapped return value types
370  * Note: the actual data types must be contiguous, a loop in nspredef.c
371  * depends on this.
372  */
373 #define ACPI_RTYPE_ANY                  0x00
374 #define ACPI_RTYPE_NONE                 0x01
375 #define ACPI_RTYPE_INTEGER              0x02
376 #define ACPI_RTYPE_STRING               0x04
377 #define ACPI_RTYPE_BUFFER               0x08
378 #define ACPI_RTYPE_PACKAGE              0x10
379 #define ACPI_RTYPE_REFERENCE            0x20
380 #define ACPI_RTYPE_ALL                  0x3F
381 
382 #define ACPI_NUM_RTYPES                 5	/* Number of actual object types */
383 
384 /*****************************************************************************
385  *
386  * Event typedefs and structs
387  *
388  ****************************************************************************/
389 
390 /* Dispatch info for each GPE -- either a method or handler, cannot be both */
391 
392 struct acpi_gpe_handler_info {
393 	acpi_gpe_handler address;	/* Address of handler, if any */
394 	void *context;		/* Context to be passed to handler */
395 	struct acpi_namespace_node *method_node;	/* Method node for this GPE level (saved) */
396 	u8 original_flags;      /* Original (pre-handler) GPE info */
397 	u8 originally_enabled;  /* True if GPE was originally enabled */
398 };
399 
400 struct acpi_gpe_notify_object {
401 	struct acpi_namespace_node *node;
402 	struct acpi_gpe_notify_object *next;
403 };
404 
405 union acpi_gpe_dispatch_info {
406 	struct acpi_namespace_node *method_node;	/* Method node for this GPE level */
407 	struct acpi_gpe_handler_info *handler;  /* Installed GPE handler */
408 	struct acpi_gpe_notify_object device;   /* List of _PRW devices for implicit notify */
409 };
410 
411 /*
412  * Information about a GPE, one per each GPE in an array.
413  * NOTE: Important to keep this struct as small as possible.
414  */
415 struct acpi_gpe_event_info {
416 	union acpi_gpe_dispatch_info dispatch;	/* Either Method or Handler */
417 	struct acpi_gpe_register_info *register_info;	/* Backpointer to register info */
418 	u8 flags;		/* Misc info about this GPE */
419 	u8 gpe_number;		/* This GPE */
420 	u8 runtime_count;	/* References to a run GPE */
421 };
422 
423 /* Information about a GPE register pair, one per each status/enable pair in an array */
424 
425 struct acpi_gpe_register_info {
426 	struct acpi_generic_address status_address;	/* Address of status reg */
427 	struct acpi_generic_address enable_address;	/* Address of enable reg */
428 	u8 enable_for_wake;	/* GPEs to keep enabled when sleeping */
429 	u8 enable_for_run;	/* GPEs to keep enabled when running */
430 	u8 base_gpe_number;	/* Base GPE number for this register */
431 };
432 
433 /*
434  * Information about a GPE register block, one per each installed block --
435  * GPE0, GPE1, and one per each installed GPE Block Device.
436  */
437 struct acpi_gpe_block_info {
438 	struct acpi_namespace_node *node;
439 	struct acpi_gpe_block_info *previous;
440 	struct acpi_gpe_block_info *next;
441 	struct acpi_gpe_xrupt_info *xrupt_block;	/* Backpointer to interrupt block */
442 	struct acpi_gpe_register_info *register_info;	/* One per GPE register pair */
443 	struct acpi_gpe_event_info *event_info;	/* One for each GPE */
444 	struct acpi_generic_address block_address;	/* Base address of the block */
445 	u32 register_count;	/* Number of register pairs in block */
446 	u16 gpe_count;		/* Number of individual GPEs in block */
447 	u8 block_base_number;	/* Base GPE number for this block */
448 	u8 initialized;         /* TRUE if this block is initialized */
449 };
450 
451 /* Information about GPE interrupt handlers, one per each interrupt level used for GPEs */
452 
453 struct acpi_gpe_xrupt_info {
454 	struct acpi_gpe_xrupt_info *previous;
455 	struct acpi_gpe_xrupt_info *next;
456 	struct acpi_gpe_block_info *gpe_block_list_head;	/* List of GPE blocks for this xrupt */
457 	u32 interrupt_number;	/* System interrupt number */
458 };
459 
460 struct acpi_gpe_walk_info {
461 	struct acpi_namespace_node *gpe_device;
462 	struct acpi_gpe_block_info *gpe_block;
463 	u16 count;
464 	acpi_owner_id owner_id;
465 	u8 execute_by_owner_id;
466 };
467 
468 struct acpi_gpe_device_info {
469 	u32 index;
470 	u32 next_block_base_index;
471 	acpi_status status;
472 	struct acpi_namespace_node *gpe_device;
473 };
474 
475 typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *gpe_xrupt_info,
476 		struct acpi_gpe_block_info *gpe_block, void *context);
477 
478 /* Information about each particular fixed event */
479 
480 struct acpi_fixed_event_handler {
481 	acpi_event_handler handler;	/* Address of handler. */
482 	void *context;		/* Context to be passed to handler */
483 };
484 
485 struct acpi_fixed_event_info {
486 	u8 status_register_id;
487 	u8 enable_register_id;
488 	u16 status_bit_mask;
489 	u16 enable_bit_mask;
490 };
491 
492 /* Information used during field processing */
493 
494 struct acpi_field_info {
495 	u8 skip_field;
496 	u8 field_flag;
497 	u32 pkg_length;
498 };
499 
500 /*****************************************************************************
501  *
502  * Generic "state" object for stacks
503  *
504  ****************************************************************************/
505 
506 #define ACPI_CONTROL_NORMAL                  0xC0
507 #define ACPI_CONTROL_CONDITIONAL_EXECUTING   0xC1
508 #define ACPI_CONTROL_PREDICATE_EXECUTING     0xC2
509 #define ACPI_CONTROL_PREDICATE_FALSE         0xC3
510 #define ACPI_CONTROL_PREDICATE_TRUE          0xC4
511 
512 #define ACPI_STATE_COMMON \
513 	void                            *next; \
514 	u8                              descriptor_type; /* To differentiate various internal objs */\
515 	u8                              flags; \
516 	u16                             value; \
517 	u16                             state;
518 
519 	/* There are 2 bytes available here until the next natural alignment boundary */
520 
521 struct acpi_common_state {
522 ACPI_STATE_COMMON};
523 
524 /*
525  * Update state - used to traverse complex objects such as packages
526  */
527 struct acpi_update_state {
528 	ACPI_STATE_COMMON union acpi_operand_object *object;
529 };
530 
531 /*
532  * Pkg state - used to traverse nested package structures
533  */
534 struct acpi_pkg_state {
535 	ACPI_STATE_COMMON u16 index;
536 	union acpi_operand_object *source_object;
537 	union acpi_operand_object *dest_object;
538 	struct acpi_walk_state *walk_state;
539 	void *this_target_obj;
540 	u32 num_packages;
541 };
542 
543 /*
544  * Control state - one per if/else and while constructs.
545  * Allows nesting of these constructs
546  */
547 struct acpi_control_state {
548 	ACPI_STATE_COMMON u16 opcode;
549 	union acpi_parse_object *predicate_op;
550 	u8 *aml_predicate_start;	/* Start of if/while predicate */
551 	u8 *package_end;	/* End of if/while block */
552 	u32 loop_count;		/* While() loop counter */
553 };
554 
555 /*
556  * Scope state - current scope during namespace lookups
557  */
558 struct acpi_scope_state {
559 	ACPI_STATE_COMMON struct acpi_namespace_node *node;
560 };
561 
562 struct acpi_pscope_state {
563 	ACPI_STATE_COMMON u32 arg_count;	/* Number of fixed arguments */
564 	union acpi_parse_object *op;	/* Current op being parsed */
565 	u8 *arg_end;		/* Current argument end */
566 	u8 *pkg_end;		/* Current package end */
567 	u32 arg_list;		/* Next argument to parse */
568 };
569 
570 /*
571  * Thread state - one per thread across multiple walk states.  Multiple walk
572  * states are created when there are nested control methods executing.
573  */
574 struct acpi_thread_state {
575 	ACPI_STATE_COMMON u8 current_sync_level;	/* Mutex Sync (nested acquire) level */
576 	struct acpi_walk_state *walk_state_list;	/* Head of list of walk_states for this thread */
577 	union acpi_operand_object *acquired_mutex_list;	/* List of all currently acquired mutexes */
578 	acpi_thread_id thread_id;	/* Running thread ID */
579 };
580 
581 /*
582  * Result values - used to accumulate the results of nested
583  * AML arguments
584  */
585 struct acpi_result_values {
586 	ACPI_STATE_COMMON
587 	    union acpi_operand_object *obj_desc[ACPI_RESULTS_FRAME_OBJ_NUM];
588 };
589 
590 typedef
591 acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state,
592 				    union acpi_parse_object ** out_op);
593 
594 typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state);
595 
596 /*
597  * Notify info - used to pass info to the deferred notify
598  * handler/dispatcher.
599  */
600 struct acpi_notify_info {
601 	ACPI_STATE_COMMON struct acpi_namespace_node *node;
602 	union acpi_operand_object *handler_obj;
603 };
604 
605 /* Generic state is union of structs above */
606 
607 union acpi_generic_state {
608 	struct acpi_common_state common;
609 	struct acpi_control_state control;
610 	struct acpi_update_state update;
611 	struct acpi_scope_state scope;
612 	struct acpi_pscope_state parse_scope;
613 	struct acpi_pkg_state pkg;
614 	struct acpi_thread_state thread;
615 	struct acpi_result_values results;
616 	struct acpi_notify_info notify;
617 };
618 
619 /*****************************************************************************
620  *
621  * Interpreter typedefs and structs
622  *
623  ****************************************************************************/
624 
625 typedef acpi_status(*ACPI_EXECUTE_OP) (struct acpi_walk_state * walk_state);
626 
627 /*****************************************************************************
628  *
629  * Parser typedefs and structs
630  *
631  ****************************************************************************/
632 
633 /*
634  * AML opcode, name, and argument layout
635  */
636 struct acpi_opcode_info {
637 #if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT)
638 	char *name;		/* Opcode name (disassembler/debug only) */
639 #endif
640 	u32 parse_args;		/* Grammar/Parse time arguments */
641 	u32 runtime_args;	/* Interpret time arguments */
642 	u16 flags;		/* Misc flags */
643 	u8 object_type;		/* Corresponding internal object type */
644 	u8 class;		/* Opcode class */
645 	u8 type;		/* Opcode type */
646 };
647 
648 union acpi_parse_value {
649 	u64 integer;		/* Integer constant (Up to 64 bits) */
650 	u32 size;		/* bytelist or field size */
651 	char *string;		/* NULL terminated string */
652 	u8 *buffer;		/* buffer or string */
653 	char *name;		/* NULL terminated string */
654 	union acpi_parse_object *arg;	/* arguments and contained ops */
655 };
656 
657 #ifdef ACPI_DISASSEMBLER
658 #define ACPI_DISASM_ONLY_MEMBERS(a)     a;
659 #else
660 #define ACPI_DISASM_ONLY_MEMBERS(a)
661 #endif
662 
663 #define ACPI_PARSE_COMMON \
664 	union acpi_parse_object         *parent;        /* Parent op */\
665 	u8                              descriptor_type; /* To differentiate various internal objs */\
666 	u8                              flags;          /* Type of Op */\
667 	u16                             aml_opcode;     /* AML opcode */\
668 	u32                             aml_offset;     /* Offset of declaration in AML */\
669 	union acpi_parse_object         *next;          /* Next op */\
670 	struct acpi_namespace_node      *node;          /* For use by interpreter */\
671 	union acpi_parse_value          value;          /* Value or args associated with the opcode */\
672 	u8                              arg_list_length; /* Number of elements in the arg list */\
673 	ACPI_DISASM_ONLY_MEMBERS (\
674 	u8                              disasm_flags;   /* Used during AML disassembly */\
675 	u8                              disasm_opcode;  /* Subtype used for disassembly */\
676 	char                            aml_op_name[16])	/* Op name (debug only) */
677 
678 #define ACPI_DASM_BUFFER                0x00
679 #define ACPI_DASM_RESOURCE              0x01
680 #define ACPI_DASM_STRING                0x02
681 #define ACPI_DASM_UNICODE               0x03
682 #define ACPI_DASM_EISAID                0x04
683 #define ACPI_DASM_MATCHOP               0x05
684 #define ACPI_DASM_LNOT_PREFIX           0x06
685 #define ACPI_DASM_LNOT_SUFFIX           0x07
686 #define ACPI_DASM_IGNORE                0x08
687 
688 /*
689  * Generic operation (for example:  If, While, Store)
690  */
691 struct acpi_parse_obj_common {
692 ACPI_PARSE_COMMON};
693 
694 /*
695  * Extended Op for named ops (Scope, Method, etc.), deferred ops (Methods and op_regions),
696  * and bytelists.
697  */
698 struct acpi_parse_obj_named {
699 	ACPI_PARSE_COMMON u8 *path;
700 	u8 *data;		/* AML body or bytelist data */
701 	u32 length;		/* AML length */
702 	u32 name;		/* 4-byte name or zero if no name */
703 };
704 
705 /* This version is used by the i_aSL compiler only */
706 
707 #define ACPI_MAX_PARSEOP_NAME   20
708 
709 struct acpi_parse_obj_asl {
710 	ACPI_PARSE_COMMON union acpi_parse_object *child;
711 	union acpi_parse_object *parent_method;
712 	char *filename;
713 	char *external_name;
714 	char *namepath;
715 	char name_seg[4];
716 	u32 extra_value;
717 	u32 column;
718 	u32 line_number;
719 	u32 logical_line_number;
720 	u32 logical_byte_offset;
721 	u32 end_line;
722 	u32 end_logical_line;
723 	u32 acpi_btype;
724 	u32 aml_length;
725 	u32 aml_subtree_length;
726 	u32 final_aml_length;
727 	u32 final_aml_offset;
728 	u32 compile_flags;
729 	u16 parse_opcode;
730 	u8 aml_opcode_length;
731 	u8 aml_pkg_len_bytes;
732 	u8 extra;
733 	char parse_op_name[ACPI_MAX_PARSEOP_NAME];
734 };
735 
736 union acpi_parse_object {
737 	struct acpi_parse_obj_common common;
738 	struct acpi_parse_obj_named named;
739 	struct acpi_parse_obj_asl asl;
740 };
741 
742 /*
743  * Parse state - one state per parser invocation and each control
744  * method.
745  */
746 struct acpi_parse_state {
747 	u8 *aml_start;		/* First AML byte */
748 	u8 *aml;		/* Next AML byte */
749 	u8 *aml_end;		/* (last + 1) AML byte */
750 	u8 *pkg_start;		/* Current package begin */
751 	u8 *pkg_end;		/* Current package end */
752 	union acpi_parse_object *start_op;	/* Root of parse tree */
753 	struct acpi_namespace_node *start_node;
754 	union acpi_generic_state *scope;	/* Current scope */
755 	union acpi_parse_object *start_scope;
756 	u32 aml_size;
757 };
758 
759 /* Parse object flags */
760 
761 #define ACPI_PARSEOP_GENERIC            0x01
762 #define ACPI_PARSEOP_NAMED              0x02
763 #define ACPI_PARSEOP_DEFERRED           0x04
764 #define ACPI_PARSEOP_BYTELIST           0x08
765 #define ACPI_PARSEOP_IN_STACK           0x10
766 #define ACPI_PARSEOP_TARGET             0x20
767 #define ACPI_PARSEOP_IN_CACHE           0x80
768 
769 /* Parse object disasm_flags */
770 
771 #define ACPI_PARSEOP_IGNORE             0x01
772 #define ACPI_PARSEOP_PARAMLIST          0x02
773 #define ACPI_PARSEOP_EMPTY_TERMLIST     0x04
774 #define ACPI_PARSEOP_SPECIAL            0x10
775 
776 /*****************************************************************************
777  *
778  * Hardware (ACPI registers) and PNP
779  *
780  ****************************************************************************/
781 
782 struct acpi_bit_register_info {
783 	u8 parent_register;
784 	u8 bit_position;
785 	u16 access_bit_mask;
786 };
787 
788 /*
789  * Some ACPI registers have bits that must be ignored -- meaning that they
790  * must be preserved.
791  */
792 #define ACPI_PM1_STATUS_PRESERVED_BITS          0x0800	/* Bit 11 */
793 
794 /* Write-only bits must be zeroed by software */
795 
796 #define ACPI_PM1_CONTROL_WRITEONLY_BITS         0x2004	/* Bits 13, 2 */
797 
798 /* For control registers, both ignored and reserved bits must be preserved */
799 
800 /*
801  * For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the
802  * ACPI specification to be a "preserved" bit - "OSPM always preserves this
803  * bit position", section 4.7.3.2.1. However, on some machines the OS must
804  * write a one to this bit after resume for the machine to work properly.
805  * To enable this, we no longer attempt to preserve this bit. No machines
806  * are known to fail if the bit is not preserved. (May 2009)
807  */
808 #define ACPI_PM1_CONTROL_IGNORED_BITS           0x0200	/* Bit 9 */
809 #define ACPI_PM1_CONTROL_RESERVED_BITS          0xC1F8	/* Bits 14-15, 3-8 */
810 #define ACPI_PM1_CONTROL_PRESERVED_BITS \
811 	       (ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)
812 
813 #define ACPI_PM2_CONTROL_PRESERVED_BITS         0xFFFFFFFE	/* All except bit 0 */
814 
815 /*
816  * Register IDs
817  * These are the full ACPI registers
818  */
819 #define ACPI_REGISTER_PM1_STATUS                0x01
820 #define ACPI_REGISTER_PM1_ENABLE                0x02
821 #define ACPI_REGISTER_PM1_CONTROL               0x03
822 #define ACPI_REGISTER_PM2_CONTROL               0x04
823 #define ACPI_REGISTER_PM_TIMER                  0x05
824 #define ACPI_REGISTER_PROCESSOR_BLOCK           0x06
825 #define ACPI_REGISTER_SMI_COMMAND_BLOCK         0x07
826 
827 /* Masks used to access the bit_registers */
828 
829 #define ACPI_BITMASK_TIMER_STATUS               0x0001
830 #define ACPI_BITMASK_BUS_MASTER_STATUS          0x0010
831 #define ACPI_BITMASK_GLOBAL_LOCK_STATUS         0x0020
832 #define ACPI_BITMASK_POWER_BUTTON_STATUS        0x0100
833 #define ACPI_BITMASK_SLEEP_BUTTON_STATUS        0x0200
834 #define ACPI_BITMASK_RT_CLOCK_STATUS            0x0400
835 #define ACPI_BITMASK_PCIEXP_WAKE_STATUS         0x4000	/* ACPI 3.0 */
836 #define ACPI_BITMASK_WAKE_STATUS                0x8000
837 
838 #define ACPI_BITMASK_ALL_FIXED_STATUS           (\
839 	ACPI_BITMASK_TIMER_STATUS          | \
840 	ACPI_BITMASK_BUS_MASTER_STATUS     | \
841 	ACPI_BITMASK_GLOBAL_LOCK_STATUS    | \
842 	ACPI_BITMASK_POWER_BUTTON_STATUS   | \
843 	ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
844 	ACPI_BITMASK_RT_CLOCK_STATUS       | \
845 	ACPI_BITMASK_PCIEXP_WAKE_STATUS    | \
846 	ACPI_BITMASK_WAKE_STATUS)
847 
848 #define ACPI_BITMASK_TIMER_ENABLE               0x0001
849 #define ACPI_BITMASK_GLOBAL_LOCK_ENABLE         0x0020
850 #define ACPI_BITMASK_POWER_BUTTON_ENABLE        0x0100
851 #define ACPI_BITMASK_SLEEP_BUTTON_ENABLE        0x0200
852 #define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
853 #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000	/* ACPI 3.0 */
854 
855 #define ACPI_BITMASK_SCI_ENABLE                 0x0001
856 #define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
857 #define ACPI_BITMASK_GLOBAL_LOCK_RELEASE        0x0004
858 #define ACPI_BITMASK_SLEEP_TYPE                 0x1C00
859 #define ACPI_BITMASK_SLEEP_ENABLE               0x2000
860 
861 #define ACPI_BITMASK_ARB_DISABLE                0x0001
862 
863 /* Raw bit position of each bit_register */
864 
865 #define ACPI_BITPOSITION_TIMER_STATUS           0x00
866 #define ACPI_BITPOSITION_BUS_MASTER_STATUS      0x04
867 #define ACPI_BITPOSITION_GLOBAL_LOCK_STATUS     0x05
868 #define ACPI_BITPOSITION_POWER_BUTTON_STATUS    0x08
869 #define ACPI_BITPOSITION_SLEEP_BUTTON_STATUS    0x09
870 #define ACPI_BITPOSITION_RT_CLOCK_STATUS        0x0A
871 #define ACPI_BITPOSITION_PCIEXP_WAKE_STATUS     0x0E	/* ACPI 3.0 */
872 #define ACPI_BITPOSITION_WAKE_STATUS            0x0F
873 
874 #define ACPI_BITPOSITION_TIMER_ENABLE           0x00
875 #define ACPI_BITPOSITION_GLOBAL_LOCK_ENABLE     0x05
876 #define ACPI_BITPOSITION_POWER_BUTTON_ENABLE    0x08
877 #define ACPI_BITPOSITION_SLEEP_BUTTON_ENABLE    0x09
878 #define ACPI_BITPOSITION_RT_CLOCK_ENABLE        0x0A
879 #define ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE    0x0E	/* ACPI 3.0 */
880 
881 #define ACPI_BITPOSITION_SCI_ENABLE             0x00
882 #define ACPI_BITPOSITION_BUS_MASTER_RLD         0x01
883 #define ACPI_BITPOSITION_GLOBAL_LOCK_RELEASE    0x02
884 #define ACPI_BITPOSITION_SLEEP_TYPE             0x0A
885 #define ACPI_BITPOSITION_SLEEP_ENABLE           0x0D
886 
887 #define ACPI_BITPOSITION_ARB_DISABLE            0x00
888 
889 /* Structs and definitions for _OSI support and I/O port validation */
890 
891 #define ACPI_OSI_WIN_2000               0x01
892 #define ACPI_OSI_WIN_XP                 0x02
893 #define ACPI_OSI_WIN_XP_SP1             0x03
894 #define ACPI_OSI_WINSRV_2003            0x04
895 #define ACPI_OSI_WIN_XP_SP2             0x05
896 #define ACPI_OSI_WINSRV_2003_SP1        0x06
897 #define ACPI_OSI_WIN_VISTA              0x07
898 #define ACPI_OSI_WINSRV_2008            0x08
899 #define ACPI_OSI_WIN_VISTA_SP1          0x09
900 #define ACPI_OSI_WIN_VISTA_SP2          0x0A
901 #define ACPI_OSI_WIN_7                  0x0B
902 
903 #define ACPI_ALWAYS_ILLEGAL             0x00
904 
905 struct acpi_interface_info {
906 	char *name;
907 	struct acpi_interface_info *next;
908 	u8 flags;
909 	u8 value;
910 };
911 
912 #define ACPI_OSI_INVALID                0x01
913 #define ACPI_OSI_DYNAMIC                0x02
914 
915 struct acpi_port_info {
916 	char *name;
917 	u16 start;
918 	u16 end;
919 	u8 osi_dependency;
920 };
921 
922 /*****************************************************************************
923  *
924  * Resource descriptors
925  *
926  ****************************************************************************/
927 
928 /* resource_type values */
929 
930 #define ACPI_ADDRESS_TYPE_MEMORY_RANGE          0
931 #define ACPI_ADDRESS_TYPE_IO_RANGE              1
932 #define ACPI_ADDRESS_TYPE_BUS_NUMBER_RANGE      2
933 
934 /* Resource descriptor types and masks */
935 
936 #define ACPI_RESOURCE_NAME_LARGE                0x80
937 #define ACPI_RESOURCE_NAME_SMALL                0x00
938 
939 #define ACPI_RESOURCE_NAME_SMALL_MASK           0x78	/* Bits 6:3 contain the type */
940 #define ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK    0x07	/* Bits 2:0 contain the length */
941 #define ACPI_RESOURCE_NAME_LARGE_MASK           0x7F	/* Bits 6:0 contain the type */
942 
943 /*
944  * Small resource descriptor "names" as defined by the ACPI specification.
945  * Note: Bits 2:0 are used for the descriptor length
946  */
947 #define ACPI_RESOURCE_NAME_IRQ                  0x20
948 #define ACPI_RESOURCE_NAME_DMA                  0x28
949 #define ACPI_RESOURCE_NAME_START_DEPENDENT      0x30
950 #define ACPI_RESOURCE_NAME_END_DEPENDENT        0x38
951 #define ACPI_RESOURCE_NAME_IO                   0x40
952 #define ACPI_RESOURCE_NAME_FIXED_IO             0x48
953 #define ACPI_RESOURCE_NAME_RESERVED_S1          0x50
954 #define ACPI_RESOURCE_NAME_RESERVED_S2          0x58
955 #define ACPI_RESOURCE_NAME_RESERVED_S3          0x60
956 #define ACPI_RESOURCE_NAME_RESERVED_S4          0x68
957 #define ACPI_RESOURCE_NAME_VENDOR_SMALL         0x70
958 #define ACPI_RESOURCE_NAME_END_TAG              0x78
959 
960 /*
961  * Large resource descriptor "names" as defined by the ACPI specification.
962  * Note: includes the Large Descriptor bit in bit[7]
963  */
964 #define ACPI_RESOURCE_NAME_MEMORY24             0x81
965 #define ACPI_RESOURCE_NAME_GENERIC_REGISTER     0x82
966 #define ACPI_RESOURCE_NAME_RESERVED_L1          0x83
967 #define ACPI_RESOURCE_NAME_VENDOR_LARGE         0x84
968 #define ACPI_RESOURCE_NAME_MEMORY32             0x85
969 #define ACPI_RESOURCE_NAME_FIXED_MEMORY32       0x86
970 #define ACPI_RESOURCE_NAME_ADDRESS32            0x87
971 #define ACPI_RESOURCE_NAME_ADDRESS16            0x88
972 #define ACPI_RESOURCE_NAME_EXTENDED_IRQ         0x89
973 #define ACPI_RESOURCE_NAME_ADDRESS64            0x8A
974 #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64   0x8B
975 #define ACPI_RESOURCE_NAME_LARGE_MAX            0x8B
976 
977 /*****************************************************************************
978  *
979  * Miscellaneous
980  *
981  ****************************************************************************/
982 
983 #define ACPI_ASCII_ZERO                 0x30
984 
985 /*****************************************************************************
986  *
987  * Debugger
988  *
989  ****************************************************************************/
990 
991 struct acpi_db_method_info {
992 	acpi_handle main_thread_gate;
993 	acpi_handle thread_complete_gate;
994 	acpi_thread_id *threads;
995 	u32 num_threads;
996 	u32 num_created;
997 	u32 num_completed;
998 
999 	char *name;
1000 	u32 flags;
1001 	u32 num_loops;
1002 	char pathname[128];
1003 	char **args;
1004 
1005 	/*
1006 	 * Arguments to be passed to method for the command
1007 	 * Threads -
1008 	 *   the Number of threads, ID of current thread and
1009 	 *   Index of current thread inside all them created.
1010 	 */
1011 	char init_args;
1012 	char *arguments[4];
1013 	char num_threads_str[11];
1014 	char id_of_thread_str[11];
1015 	char index_of_thread_str[11];
1016 };
1017 
1018 struct acpi_integrity_info {
1019 	u32 nodes;
1020 	u32 objects;
1021 };
1022 
1023 #define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
1024 #define ACPI_DB_CONSOLE_OUTPUT          0x02
1025 #define ACPI_DB_DUPLICATE_OUTPUT        0x03
1026 
1027 /*****************************************************************************
1028  *
1029  * Debug
1030  *
1031  ****************************************************************************/
1032 
1033 /* Entry for a memory allocation (debug only) */
1034 
1035 #define ACPI_MEM_MALLOC                 0
1036 #define ACPI_MEM_CALLOC                 1
1037 #define ACPI_MAX_MODULE_NAME            16
1038 
1039 #define ACPI_COMMON_DEBUG_MEM_HEADER \
1040 	struct acpi_debug_mem_block     *previous; \
1041 	struct acpi_debug_mem_block     *next; \
1042 	u32                             size; \
1043 	u32                             component; \
1044 	u32                             line; \
1045 	char                            module[ACPI_MAX_MODULE_NAME]; \
1046 	u8                              alloc_type;
1047 
1048 struct acpi_debug_mem_header {
1049 ACPI_COMMON_DEBUG_MEM_HEADER};
1050 
1051 struct acpi_debug_mem_block {
1052 	ACPI_COMMON_DEBUG_MEM_HEADER u64 user_space;
1053 };
1054 
1055 #define ACPI_MEM_LIST_GLOBAL            0
1056 #define ACPI_MEM_LIST_NSNODE            1
1057 #define ACPI_MEM_LIST_MAX               1
1058 #define ACPI_NUM_MEM_LISTS              2
1059 
1060 #endif				/* __ACLOCAL_H__ */
1061