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[linux-2.6] / include / acpi / acinterp.h
1 /******************************************************************************
2  *
3  * Name: acinterp.h - Interpreter subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2006, R. Byron Moore
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 __ACINTERP_H__
45 #define __ACINTERP_H__
46
47 #define ACPI_WALK_OPERANDS          (&(walk_state->operands [walk_state->num_operands -1]))
48
49 /* Macros for tables used for debug output */
50
51 #define ACPI_EXD_OFFSET(f)          (u8) ACPI_OFFSET (union acpi_operand_object,f)
52 #define ACPI_EXD_NSOFFSET(f)        (u8) ACPI_OFFSET (struct acpi_namespace_node,f)
53 #define ACPI_EXD_TABLE_SIZE(name)   (sizeof(name) / sizeof (struct acpi_exdump_info))
54
55 /*
56  * If possible, pack the following structure to byte alignment, since we
57  * don't care about performance for debug output
58  */
59 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
60 #pragma pack(1)
61 #endif
62
63 typedef const struct acpi_exdump_info {
64         u8 opcode;
65         u8 offset;
66         char *name;
67
68 } acpi_exdump_info;
69
70 /* Values for the Opcode field above */
71
72 #define ACPI_EXD_INIT                   0
73 #define ACPI_EXD_TYPE                   1
74 #define ACPI_EXD_UINT8                  2
75 #define ACPI_EXD_UINT16                 3
76 #define ACPI_EXD_UINT32                 4
77 #define ACPI_EXD_UINT64                 5
78 #define ACPI_EXD_LITERAL                6
79 #define ACPI_EXD_POINTER                7
80 #define ACPI_EXD_ADDRESS                8
81 #define ACPI_EXD_STRING                 9
82 #define ACPI_EXD_BUFFER                 10
83 #define ACPI_EXD_PACKAGE                11
84 #define ACPI_EXD_FIELD                  12
85 #define ACPI_EXD_REFERENCE              13
86
87 /* restore default alignment */
88
89 #pragma pack()
90
91 /*
92  * exconvrt - object conversion
93  */
94 acpi_status
95 acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
96                            union acpi_operand_object **result_desc, u32 flags);
97
98 acpi_status
99 acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
100                           union acpi_operand_object **result_desc);
101
102 acpi_status
103 acpi_ex_convert_to_string(union acpi_operand_object *obj_desc,
104                           union acpi_operand_object **result_desc, u32 type);
105
106 /* Types for ->String conversion */
107
108 #define ACPI_EXPLICIT_BYTE_COPY         0x00000000
109 #define ACPI_EXPLICIT_CONVERT_HEX       0x00000001
110 #define ACPI_IMPLICIT_CONVERT_HEX       0x00000002
111 #define ACPI_EXPLICIT_CONVERT_DECIMAL   0x00000003
112
113 acpi_status
114 acpi_ex_convert_to_target_type(acpi_object_type destination_type,
115                                union acpi_operand_object *source_desc,
116                                union acpi_operand_object **result_desc,
117                                struct acpi_walk_state *walk_state);
118
119 /*
120  * exfield - ACPI AML (p-code) execution - field manipulation
121  */
122 acpi_status
123 acpi_ex_common_buffer_setup(union acpi_operand_object *obj_desc,
124                             u32 buffer_length, u32 * datum_count);
125
126 acpi_status
127 acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
128                                acpi_integer mask,
129                                acpi_integer field_value,
130                                u32 field_datum_byte_offset);
131
132 void
133 acpi_ex_get_buffer_datum(acpi_integer * datum,
134                          void *buffer,
135                          u32 buffer_length,
136                          u32 byte_granularity, u32 buffer_offset);
137
138 void
139 acpi_ex_set_buffer_datum(acpi_integer merged_datum,
140                          void *buffer,
141                          u32 buffer_length,
142                          u32 byte_granularity, u32 buffer_offset);
143
144 acpi_status
145 acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
146                              union acpi_operand_object *obj_desc,
147                              union acpi_operand_object **ret_buffer_desc);
148
149 acpi_status
150 acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
151                             union acpi_operand_object *obj_desc,
152                             union acpi_operand_object **result_desc);
153
154 /*
155  * exfldio - low level field I/O
156  */
157 acpi_status
158 acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
159                            void *buffer, u32 buffer_length);
160
161 acpi_status
162 acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
163                           void *buffer, u32 buffer_length);
164
165 acpi_status
166 acpi_ex_access_region(union acpi_operand_object *obj_desc,
167                       u32 field_datum_byte_offset,
168                       acpi_integer * value, u32 read_write);
169
170 /*
171  * exmisc - misc support routines
172  */
173 acpi_status
174 acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
175                              union acpi_operand_object **return_desc,
176                              struct acpi_walk_state *walk_state);
177
178 acpi_status
179 acpi_ex_concat_template(union acpi_operand_object *obj_desc,
180                         union acpi_operand_object *obj_desc2,
181                         union acpi_operand_object **actual_return_desc,
182                         struct acpi_walk_state *walk_state);
183
184 acpi_status
185 acpi_ex_do_concatenate(union acpi_operand_object *obj_desc,
186                        union acpi_operand_object *obj_desc2,
187                        union acpi_operand_object **actual_return_desc,
188                        struct acpi_walk_state *walk_state);
189
190 acpi_status
191 acpi_ex_do_logical_numeric_op(u16 opcode,
192                               acpi_integer integer0,
193                               acpi_integer integer1, u8 * logical_result);
194
195 acpi_status
196 acpi_ex_do_logical_op(u16 opcode,
197                       union acpi_operand_object *operand0,
198                       union acpi_operand_object *operand1, u8 * logical_result);
199
200 acpi_integer
201 acpi_ex_do_math_op(u16 opcode, acpi_integer operand0, acpi_integer operand1);
202
203 acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state);
204
205 acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state);
206
207 acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state);
208
209 acpi_status
210 acpi_ex_create_region(u8 * aml_start,
211                       u32 aml_length,
212                       u8 region_space, struct acpi_walk_state *walk_state);
213
214 acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state);
215
216 acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state);
217
218 acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state);
219
220 acpi_status
221 acpi_ex_create_method(u8 * aml_start,
222                       u32 aml_length, struct acpi_walk_state *walk_state);
223
224 /*
225  * exconfig - dynamic table load/unload
226  */
227 acpi_status
228 acpi_ex_load_op(union acpi_operand_object *obj_desc,
229                 union acpi_operand_object *target,
230                 struct acpi_walk_state *walk_state);
231
232 acpi_status
233 acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
234                       union acpi_operand_object **return_desc);
235
236 acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle);
237
238 /*
239  * exmutex - mutex support
240  */
241 acpi_status
242 acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
243                       union acpi_operand_object *obj_desc,
244                       struct acpi_walk_state *walk_state);
245
246 acpi_status
247 acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
248                       struct acpi_walk_state *walk_state);
249
250 void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread);
251
252 void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc);
253
254 /*
255  * exprep - ACPI AML execution - prep utilities
256  */
257 acpi_status
258 acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
259                                  u8 field_flags,
260                                  u8 field_attribute,
261                                  u32 field_bit_position, u32 field_bit_length);
262
263 acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info);
264
265 /*
266  * exsystem - Interface to OS services
267  */
268 acpi_status
269 acpi_ex_system_do_notify_op(union acpi_operand_object *value,
270                             union acpi_operand_object *obj_desc);
271
272 acpi_status acpi_ex_system_do_suspend(acpi_integer time);
273
274 acpi_status acpi_ex_system_do_stall(u32 time);
275
276 acpi_status
277 acpi_ex_system_acquire_mutex(union acpi_operand_object *time,
278                              union acpi_operand_object *obj_desc);
279
280 acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc);
281
282 acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc);
283
284 acpi_status
285 acpi_ex_system_wait_event(union acpi_operand_object *time,
286                           union acpi_operand_object *obj_desc);
287
288 acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc);
289
290 acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout);
291
292 /*
293  * exoparg1 - ACPI AML execution, 1 operand
294  */
295 acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state);
296
297 acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state);
298
299 acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state);
300
301 acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state);
302
303 acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state);
304
305 /*
306  * exoparg2 - ACPI AML execution, 2 operands
307  */
308 acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state);
309
310 acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state);
311
312 acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state);
313
314 acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state);
315
316 /*
317  * exoparg3 - ACPI AML execution, 3 operands
318  */
319 acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state);
320
321 acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state);
322
323 /*
324  * exoparg6 - ACPI AML execution, 6 operands
325  */
326 acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state);
327
328 /*
329  * exresolv - Object resolution and get value functions
330  */
331 acpi_status
332 acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
333                          struct acpi_walk_state *walk_state);
334
335 acpi_status
336 acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
337                          union acpi_operand_object *operand,
338                          acpi_object_type * return_type,
339                          union acpi_operand_object **return_desc);
340
341 /*
342  * exresnte - resolve namespace node
343  */
344 acpi_status
345 acpi_ex_resolve_node_to_value(struct acpi_namespace_node **stack_ptr,
346                               struct acpi_walk_state *walk_state);
347
348 /*
349  * exresop - resolve operand to value
350  */
351 acpi_status
352 acpi_ex_resolve_operands(u16 opcode,
353                          union acpi_operand_object **stack_ptr,
354                          struct acpi_walk_state *walk_state);
355
356 /*
357  * exdump - Interpreter debug output routines
358  */
359 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth);
360
361 void
362 acpi_ex_dump_operands(union acpi_operand_object **operands,
363                       acpi_interpreter_mode interpreter_mode,
364                       char *ident,
365                       u32 num_levels,
366                       char *note, char *module_name, u32 line_number);
367
368 #ifdef  ACPI_FUTURE_USAGE
369 void
370 acpi_ex_dump_object_descriptor(union acpi_operand_object *object, u32 flags);
371
372 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags);
373 #endif                          /* ACPI_FUTURE_USAGE */
374
375 /*
376  * exnames - AML namestring support
377  */
378 acpi_status
379 acpi_ex_get_name_string(acpi_object_type data_type,
380                         u8 * in_aml_address,
381                         char **out_name_string, u32 * out_name_length);
382
383 /*
384  * exstore - Object store support
385  */
386 acpi_status
387 acpi_ex_store(union acpi_operand_object *val_desc,
388               union acpi_operand_object *dest_desc,
389               struct acpi_walk_state *walk_state);
390
391 acpi_status
392 acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
393                              struct acpi_namespace_node *node,
394                              struct acpi_walk_state *walk_state,
395                              u8 implicit_conversion);
396
397 #define ACPI_IMPLICIT_CONVERSION        TRUE
398 #define ACPI_NO_IMPLICIT_CONVERSION     FALSE
399
400 /*
401  * exstoren - resolve/store object
402  */
403 acpi_status
404 acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
405                        acpi_object_type target_type,
406                        struct acpi_walk_state *walk_state);
407
408 acpi_status
409 acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
410                                union acpi_operand_object *dest_desc,
411                                union acpi_operand_object **new_desc,
412                                struct acpi_walk_state *walk_state);
413
414 /*
415  * exstorob - store object - buffer/string
416  */
417 acpi_status
418 acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
419                                union acpi_operand_object *target_desc);
420
421 acpi_status
422 acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
423                                union acpi_operand_object *target_desc);
424
425 /*
426  * excopy - object copy
427  */
428 acpi_status
429 acpi_ex_copy_integer_to_index_field(union acpi_operand_object *source_desc,
430                                     union acpi_operand_object *target_desc);
431
432 acpi_status
433 acpi_ex_copy_integer_to_bank_field(union acpi_operand_object *source_desc,
434                                    union acpi_operand_object *target_desc);
435
436 acpi_status
437 acpi_ex_copy_data_to_named_field(union acpi_operand_object *source_desc,
438                                  struct acpi_namespace_node *node);
439
440 acpi_status
441 acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
442                                      union acpi_operand_object *target_desc);
443
444 /*
445  * exutils - interpreter/scanner utilities
446  */
447 acpi_status acpi_ex_enter_interpreter(void);
448
449 void acpi_ex_exit_interpreter(void);
450
451 void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
452
453 u8 acpi_ex_acquire_global_lock(u32 rule);
454
455 void acpi_ex_release_global_lock(u8 locked);
456
457 void acpi_ex_eisa_id_to_string(u32 numeric_id, char *out_string);
458
459 void acpi_ex_unsigned_integer_to_string(acpi_integer value, char *out_string);
460
461 /*
462  * exregion - default op_region handlers
463  */
464 acpi_status
465 acpi_ex_system_memory_space_handler(u32 function,
466                                     acpi_physical_address address,
467                                     u32 bit_width,
468                                     acpi_integer * value,
469                                     void *handler_context,
470                                     void *region_context);
471
472 acpi_status
473 acpi_ex_system_io_space_handler(u32 function,
474                                 acpi_physical_address address,
475                                 u32 bit_width,
476                                 acpi_integer * value,
477                                 void *handler_context, void *region_context);
478
479 acpi_status
480 acpi_ex_pci_config_space_handler(u32 function,
481                                  acpi_physical_address address,
482                                  u32 bit_width,
483                                  acpi_integer * value,
484                                  void *handler_context, void *region_context);
485
486 acpi_status
487 acpi_ex_cmos_space_handler(u32 function,
488                            acpi_physical_address address,
489                            u32 bit_width,
490                            acpi_integer * value,
491                            void *handler_context, void *region_context);
492
493 acpi_status
494 acpi_ex_pci_bar_space_handler(u32 function,
495                               acpi_physical_address address,
496                               u32 bit_width,
497                               acpi_integer * value,
498                               void *handler_context, void *region_context);
499
500 acpi_status
501 acpi_ex_embedded_controller_space_handler(u32 function,
502                                           acpi_physical_address address,
503                                           u32 bit_width,
504                                           acpi_integer * value,
505                                           void *handler_context,
506                                           void *region_context);
507
508 acpi_status
509 acpi_ex_sm_bus_space_handler(u32 function,
510                              acpi_physical_address address,
511                              u32 bit_width,
512                              acpi_integer * value,
513                              void *handler_context, void *region_context);
514
515 acpi_status
516 acpi_ex_data_table_space_handler(u32 function,
517                                  acpi_physical_address address,
518                                  u32 bit_width,
519                                  acpi_integer * value,
520                                  void *handler_context, void *region_context);
521
522 #endif                          /* __INTERP_H__ */