ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-2.6.6.tar.bz2
[linux-2.6.git] / include / acpi / acdispat.h
1 /******************************************************************************
2  *
3  * Name: acdispat.h - dispatcher (parser to interpreter interface)
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2004, 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
45 #ifndef _ACDISPAT_H_
46 #define _ACDISPAT_H_
47
48
49 #define NAMEOF_LOCAL_NTE    "__L0"
50 #define NAMEOF_ARG_NTE      "__A0"
51
52
53 /* Common interfaces */
54
55 acpi_status
56 acpi_ds_obj_stack_push (
57         void                            *object,
58         struct acpi_walk_state          *walk_state);
59
60 acpi_status
61 acpi_ds_obj_stack_pop (
62         u32                             pop_count,
63         struct acpi_walk_state          *walk_state);
64
65 void *
66 acpi_ds_obj_stack_get_value (
67         u32                             index,
68         struct acpi_walk_state          *walk_state);
69
70 acpi_status
71 acpi_ds_obj_stack_pop_object (
72         union acpi_operand_object       **object,
73         struct acpi_walk_state          *walk_state);
74
75
76 /* dsopcode - support for late evaluation */
77
78 acpi_status
79 acpi_ds_execute_arguments (
80         struct acpi_namespace_node      *node,
81         struct acpi_namespace_node      *scope_node,
82         u32                             aml_length,
83         u8                              *aml_start);
84
85 acpi_status
86 acpi_ds_get_buffer_field_arguments (
87         union acpi_operand_object       *obj_desc);
88
89 acpi_status
90 acpi_ds_get_region_arguments (
91         union acpi_operand_object       *rgn_desc);
92
93 acpi_status
94 acpi_ds_get_buffer_arguments (
95         union acpi_operand_object       *obj_desc);
96
97 acpi_status
98 acpi_ds_get_package_arguments (
99         union acpi_operand_object       *obj_desc);
100
101 acpi_status
102 acpi_ds_init_buffer_field (
103         u16                             aml_opcode,
104         union acpi_operand_object       *obj_desc,
105         union acpi_operand_object       *buffer_desc,
106         union acpi_operand_object       *offset_desc,
107         union acpi_operand_object       *length_desc,
108         union acpi_operand_object       *result_desc);
109
110 acpi_status
111 acpi_ds_eval_buffer_field_operands (
112         struct acpi_walk_state          *walk_state,
113         union acpi_parse_object         *op);
114
115 acpi_status
116 acpi_ds_eval_region_operands (
117         struct acpi_walk_state          *walk_state,
118         union acpi_parse_object         *op);
119
120 acpi_status
121 acpi_ds_eval_data_object_operands (
122         struct acpi_walk_state          *walk_state,
123         union acpi_parse_object         *op,
124         union acpi_operand_object       *obj_desc);
125
126 acpi_status
127 acpi_ds_initialize_region (
128         acpi_handle                     obj_handle);
129
130
131 /* dsctrl - Parser/Interpreter interface, control stack routines */
132
133
134 acpi_status
135 acpi_ds_exec_begin_control_op (
136         struct acpi_walk_state          *walk_state,
137         union acpi_parse_object         *op);
138
139 acpi_status
140 acpi_ds_exec_end_control_op (
141         struct acpi_walk_state          *walk_state,
142         union acpi_parse_object         *op);
143
144
145 /* dsexec - Parser/Interpreter interface, method execution callbacks */
146
147
148 acpi_status
149 acpi_ds_get_predicate_value (
150         struct acpi_walk_state          *walk_state,
151         union acpi_operand_object       *result_obj);
152
153 acpi_status
154 acpi_ds_exec_begin_op (
155         struct acpi_walk_state          *walk_state,
156         union acpi_parse_object         **out_op);
157
158 acpi_status
159 acpi_ds_exec_end_op (
160         struct acpi_walk_state          *state);
161
162
163 /* dsfield - Parser/Interpreter interface for AML fields */
164
165 acpi_status
166 acpi_ds_get_field_names (
167         struct acpi_create_field_info   *info,
168         struct acpi_walk_state          *walk_state,
169         union acpi_parse_object         *arg);
170
171 acpi_status
172 acpi_ds_create_field (
173         union acpi_parse_object         *op,
174         struct acpi_namespace_node      *region_node,
175         struct acpi_walk_state          *walk_state);
176
177 acpi_status
178 acpi_ds_create_bank_field (
179         union acpi_parse_object         *op,
180         struct acpi_namespace_node      *region_node,
181         struct acpi_walk_state          *walk_state);
182
183 acpi_status
184 acpi_ds_create_index_field (
185         union acpi_parse_object         *op,
186         struct acpi_namespace_node      *region_node,
187         struct acpi_walk_state          *walk_state);
188
189 acpi_status
190 acpi_ds_create_buffer_field (
191         union acpi_parse_object         *op,
192         struct acpi_walk_state          *walk_state);
193
194 acpi_status
195 acpi_ds_init_field_objects (
196         union acpi_parse_object         *op,
197         struct acpi_walk_state          *walk_state);
198
199
200 /* dsload - Parser/Interpreter interface, namespace load callbacks */
201
202 acpi_status
203 acpi_ds_load1_begin_op (
204         struct acpi_walk_state          *walk_state,
205         union acpi_parse_object         **out_op);
206
207 acpi_status
208 acpi_ds_load1_end_op (
209         struct acpi_walk_state          *walk_state);
210
211 acpi_status
212 acpi_ds_load2_begin_op (
213         struct acpi_walk_state          *walk_state,
214         union acpi_parse_object         **out_op);
215
216 acpi_status
217 acpi_ds_load2_end_op (
218         struct acpi_walk_state          *walk_state);
219
220 acpi_status
221 acpi_ds_init_callbacks (
222         struct acpi_walk_state          *walk_state,
223         u32                             pass_number);
224
225
226 /* dsmthdat - method data (locals/args) */
227
228
229 acpi_status
230 acpi_ds_store_object_to_local (
231         u16                             opcode,
232         u32                             index,
233         union acpi_operand_object       *src_desc,
234         struct acpi_walk_state          *walk_state);
235
236 acpi_status
237 acpi_ds_method_data_get_entry (
238         u16                             opcode,
239         u32                             index,
240         struct acpi_walk_state          *walk_state,
241         union acpi_operand_object       ***node);
242
243 void
244 acpi_ds_method_data_delete_all (
245         struct acpi_walk_state          *walk_state);
246
247 u8
248 acpi_ds_is_method_value (
249         union acpi_operand_object       *obj_desc);
250
251 acpi_object_type
252 acpi_ds_method_data_get_type (
253         u16                             opcode,
254         u32                             index,
255         struct acpi_walk_state          *walk_state);
256
257 acpi_status
258 acpi_ds_method_data_get_value (
259         u16                             opcode,
260         u32                             index,
261         struct acpi_walk_state          *walk_state,
262         union acpi_operand_object       **dest_desc);
263
264 void
265 acpi_ds_method_data_delete_value (
266         u16                             opcode,
267         u32                             index,
268         struct acpi_walk_state          *walk_state);
269
270 acpi_status
271 acpi_ds_method_data_init_args (
272         union acpi_operand_object       **params,
273         u32                             max_param_count,
274         struct acpi_walk_state          *walk_state);
275
276 acpi_status
277 acpi_ds_method_data_get_node (
278         u16                             opcode,
279         u32                             index,
280         struct acpi_walk_state          *walk_state,
281         struct acpi_namespace_node      **node);
282
283 void
284 acpi_ds_method_data_init (
285         struct acpi_walk_state          *walk_state);
286
287 acpi_status
288 acpi_ds_method_data_set_value (
289         u16                             opcode,
290         u32                             index,
291         union acpi_operand_object       *object,
292         struct acpi_walk_state          *walk_state);
293
294
295 /* dsmethod - Parser/Interpreter interface - control method parsing */
296
297 acpi_status
298 acpi_ds_parse_method (
299         acpi_handle                     obj_handle);
300
301 acpi_status
302 acpi_ds_call_control_method (
303         struct acpi_thread_state        *thread,
304         struct acpi_walk_state          *walk_state,
305         union acpi_parse_object         *op);
306
307 acpi_status
308 acpi_ds_restart_control_method (
309         struct acpi_walk_state          *walk_state,
310         union acpi_operand_object       *return_desc);
311
312 acpi_status
313 acpi_ds_terminate_control_method (
314         struct acpi_walk_state          *walk_state);
315
316 acpi_status
317 acpi_ds_begin_method_execution (
318         struct acpi_namespace_node      *method_node,
319         union acpi_operand_object       *obj_desc,
320         struct acpi_namespace_node      *calling_method_node);
321
322
323 /* dsobj - Parser/Interpreter interface - object initialization and conversion */
324
325 acpi_status
326 acpi_ds_init_one_object (
327         acpi_handle                     obj_handle,
328         u32                             level,
329         void                            *context,
330         void                            **return_value);
331
332 acpi_status
333 acpi_ds_initialize_objects (
334         struct acpi_table_desc          *table_desc,
335         struct acpi_namespace_node      *start_node);
336
337 acpi_status
338 acpi_ds_build_internal_buffer_obj (
339         struct acpi_walk_state          *walk_state,
340         union acpi_parse_object         *op,
341         u32                             buffer_length,
342         union acpi_operand_object       **obj_desc_ptr);
343
344 acpi_status
345 acpi_ds_build_internal_package_obj (
346         struct acpi_walk_state          *walk_state,
347         union acpi_parse_object         *op,
348         u32                             package_length,
349         union acpi_operand_object       **obj_desc);
350
351 acpi_status
352 acpi_ds_build_internal_object (
353         struct acpi_walk_state          *walk_state,
354         union acpi_parse_object         *op,
355         union acpi_operand_object       **obj_desc_ptr);
356
357 acpi_status
358 acpi_ds_init_object_from_op (
359         struct acpi_walk_state          *walk_state,
360         union acpi_parse_object         *op,
361         u16                             opcode,
362         union acpi_operand_object       **obj_desc);
363
364 acpi_status
365 acpi_ds_create_node (
366         struct acpi_walk_state          *walk_state,
367         struct acpi_namespace_node      *node,
368         union acpi_parse_object         *op);
369
370
371 /* dsutils - Parser/Interpreter interface utility routines */
372
373 u8
374 acpi_ds_is_result_used (
375         union acpi_parse_object         *op,
376         struct acpi_walk_state          *walk_state);
377
378 void
379 acpi_ds_delete_result_if_not_used (
380         union acpi_parse_object         *op,
381         union acpi_operand_object       *result_obj,
382         struct acpi_walk_state          *walk_state);
383
384 acpi_status
385 acpi_ds_create_operand (
386         struct acpi_walk_state          *walk_state,
387         union acpi_parse_object         *arg,
388         u32                             args_remaining);
389
390 acpi_status
391 acpi_ds_create_operands (
392         struct acpi_walk_state          *walk_state,
393         union acpi_parse_object         *first_arg);
394
395 acpi_status
396 acpi_ds_resolve_operands (
397         struct acpi_walk_state          *walk_state);
398
399 void
400 acpi_ds_clear_operands (
401         struct acpi_walk_state          *walk_state);
402
403
404 /*
405  * dswscope - Scope Stack manipulation
406  */
407
408 acpi_status
409 acpi_ds_scope_stack_push (
410         struct acpi_namespace_node      *node,
411         acpi_object_type                type,
412         struct acpi_walk_state          *walk_state);
413
414
415 acpi_status
416 acpi_ds_scope_stack_pop (
417         struct acpi_walk_state          *walk_state);
418
419 void
420 acpi_ds_scope_stack_clear (
421         struct acpi_walk_state          *walk_state);
422
423
424 /* dswstate - parser WALK_STATE management routines */
425
426 struct acpi_walk_state *
427 acpi_ds_create_walk_state (
428         acpi_owner_id                   owner_id,
429         union acpi_parse_object         *origin,
430         union acpi_operand_object       *mth_desc,
431         struct acpi_thread_state        *thread);
432
433 acpi_status
434 acpi_ds_init_aml_walk (
435         struct acpi_walk_state          *walk_state,
436         union acpi_parse_object         *op,
437         struct acpi_namespace_node      *method_node,
438         u8                              *aml_start,
439         u32                             aml_length,
440         union acpi_operand_object       **params,
441         union acpi_operand_object       **return_obj_desc,
442         u32                             pass_number);
443
444 acpi_status
445 acpi_ds_obj_stack_delete_all (
446         struct acpi_walk_state          *walk_state);
447
448 acpi_status
449 acpi_ds_obj_stack_pop_and_delete (
450         u32                             pop_count,
451         struct acpi_walk_state          *walk_state);
452
453 void
454 acpi_ds_delete_walk_state (
455         struct acpi_walk_state          *walk_state);
456
457 struct acpi_walk_state *
458 acpi_ds_pop_walk_state (
459         struct acpi_thread_state        *thread);
460
461 void
462 acpi_ds_push_walk_state (
463         struct acpi_walk_state          *walk_state,
464         struct acpi_thread_state        *thread);
465
466 acpi_status
467 acpi_ds_result_stack_pop (
468         struct acpi_walk_state          *walk_state);
469
470 acpi_status
471 acpi_ds_result_stack_push (
472         struct acpi_walk_state          *walk_state);
473
474 acpi_status
475 acpi_ds_result_stack_clear (
476         struct acpi_walk_state          *walk_state);
477
478 struct acpi_walk_state *
479 acpi_ds_get_current_walk_state (
480         struct acpi_thread_state        *thread);
481
482 void
483 acpi_ds_delete_walk_state_cache (
484         void);
485
486 acpi_status
487 acpi_ds_result_insert (
488         void                            *object,
489         u32                             index,
490         struct acpi_walk_state          *walk_state);
491
492 acpi_status
493 acpi_ds_result_remove (
494         union acpi_operand_object       **object,
495         u32                             index,
496         struct acpi_walk_state          *walk_state);
497
498 acpi_status
499 acpi_ds_result_pop (
500         union acpi_operand_object       **object,
501         struct acpi_walk_state          *walk_state);
502
503 acpi_status
504 acpi_ds_result_push (
505         union acpi_operand_object       *object,
506         struct acpi_walk_state          *walk_state);
507
508 acpi_status
509 acpi_ds_result_pop_from_bottom (
510         union acpi_operand_object       **object,
511         struct acpi_walk_state          *walk_state);
512
513 #endif /* _ACDISPAT_H_ */