Merge branches 'pm-cpufreq', 'pm-cpuidle', 'pm-devfreq', 'pm-opp' and 'pm-tools'
[linux-drm-fsl-dcu.git] / drivers / acpi / acpica / acinterp.h
1 /******************************************************************************
2  *
3  * Name: acinterp.h - Interpreter subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2015, 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 __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 structures to byte alignment, since we
57  * don't care about performance for debug output. Two cases where we cannot
58  * pack the structures:
59  *
60  * 1) Hardware does not support misaligned memory transfers
61  * 2) Compiler does not support pointers within packed structures
62  */
63 #if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
64 #pragma pack(1)
65 #endif
66
67 typedef const struct acpi_exdump_info {
68         u8 opcode;
69         u8 offset;
70         char *name;
71
72 } acpi_exdump_info;
73
74 /* Values for the Opcode field above */
75
76 #define ACPI_EXD_INIT                   0
77 #define ACPI_EXD_TYPE                   1
78 #define ACPI_EXD_UINT8                  2
79 #define ACPI_EXD_UINT16                 3
80 #define ACPI_EXD_UINT32                 4
81 #define ACPI_EXD_UINT64                 5
82 #define ACPI_EXD_LITERAL                6
83 #define ACPI_EXD_POINTER                7
84 #define ACPI_EXD_ADDRESS                8
85 #define ACPI_EXD_STRING                 9
86 #define ACPI_EXD_BUFFER                 10
87 #define ACPI_EXD_PACKAGE                11
88 #define ACPI_EXD_FIELD                  12
89 #define ACPI_EXD_REFERENCE              13
90 #define ACPI_EXD_LIST                   14      /* Operand object list */
91 #define ACPI_EXD_HDLR_LIST              15      /* Address Handler list */
92 #define ACPI_EXD_RGN_LIST               16      /* Region list */
93 #define ACPI_EXD_NODE                   17      /* Namespace Node */
94
95 /* restore default alignment */
96
97 #pragma pack()
98
99 /*
100  * exconvrt - object conversion
101  */
102 acpi_status
103 acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
104                            union acpi_operand_object **result_desc, u32 flags);
105
106 acpi_status
107 acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
108                           union acpi_operand_object **result_desc);
109
110 acpi_status
111 acpi_ex_convert_to_string(union acpi_operand_object *obj_desc,
112                           union acpi_operand_object **result_desc, u32 type);
113
114 /* Types for ->String conversion */
115
116 #define ACPI_EXPLICIT_BYTE_COPY         0x00000000
117 #define ACPI_EXPLICIT_CONVERT_HEX       0x00000001
118 #define ACPI_IMPLICIT_CONVERT_HEX       0x00000002
119 #define ACPI_EXPLICIT_CONVERT_DECIMAL   0x00000003
120
121 acpi_status
122 acpi_ex_convert_to_target_type(acpi_object_type destination_type,
123                                union acpi_operand_object *source_desc,
124                                union acpi_operand_object **result_desc,
125                                struct acpi_walk_state *walk_state);
126
127 /*
128  * exdebug - AML debug object
129  */
130 void
131 acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
132                         u32 level, u32 index);
133
134 /*
135  * exfield - ACPI AML (p-code) execution - field manipulation
136  */
137 acpi_status
138 acpi_ex_common_buffer_setup(union acpi_operand_object *obj_desc,
139                             u32 buffer_length, u32 * datum_count);
140
141 acpi_status
142 acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
143                                u64 mask,
144                                u64 field_value, u32 field_datum_byte_offset);
145
146 void
147 acpi_ex_get_buffer_datum(u64 *datum,
148                          void *buffer,
149                          u32 buffer_length,
150                          u32 byte_granularity, u32 buffer_offset);
151
152 void
153 acpi_ex_set_buffer_datum(u64 merged_datum,
154                          void *buffer,
155                          u32 buffer_length,
156                          u32 byte_granularity, u32 buffer_offset);
157
158 acpi_status
159 acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
160                              union acpi_operand_object *obj_desc,
161                              union acpi_operand_object **ret_buffer_desc);
162
163 acpi_status
164 acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
165                             union acpi_operand_object *obj_desc,
166                             union acpi_operand_object **result_desc);
167
168 /*
169  * exfldio - low level field I/O
170  */
171 acpi_status
172 acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
173                            void *buffer, u32 buffer_length);
174
175 acpi_status
176 acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
177                           void *buffer, u32 buffer_length);
178
179 acpi_status
180 acpi_ex_access_region(union acpi_operand_object *obj_desc,
181                       u32 field_datum_byte_offset, u64 *value, u32 read_write);
182
183 /*
184  * exmisc - misc support routines
185  */
186 acpi_status
187 acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
188                              union acpi_operand_object **return_desc,
189                              struct acpi_walk_state *walk_state);
190
191 acpi_status
192 acpi_ex_concat_template(union acpi_operand_object *obj_desc,
193                         union acpi_operand_object *obj_desc2,
194                         union acpi_operand_object **actual_return_desc,
195                         struct acpi_walk_state *walk_state);
196
197 acpi_status
198 acpi_ex_do_concatenate(union acpi_operand_object *obj_desc,
199                        union acpi_operand_object *obj_desc2,
200                        union acpi_operand_object **actual_return_desc,
201                        struct acpi_walk_state *walk_state);
202
203 acpi_status
204 acpi_ex_do_logical_numeric_op(u16 opcode,
205                               u64 integer0, u64 integer1, u8 *logical_result);
206
207 acpi_status
208 acpi_ex_do_logical_op(u16 opcode,
209                       union acpi_operand_object *operand0,
210                       union acpi_operand_object *operand1, u8 *logical_result);
211
212 u64 acpi_ex_do_math_op(u16 opcode, u64 operand0, u64 operand1);
213
214 acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state);
215
216 acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state);
217
218 acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state);
219
220 acpi_status
221 acpi_ex_create_region(u8 * aml_start,
222                       u32 aml_length,
223                       u8 region_space, struct acpi_walk_state *walk_state);
224
225 acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state);
226
227 acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state);
228
229 acpi_status
230 acpi_ex_create_method(u8 * aml_start,
231                       u32 aml_length, struct acpi_walk_state *walk_state);
232
233 /*
234  * exconfig - dynamic table load/unload
235  */
236 acpi_status
237 acpi_ex_load_op(union acpi_operand_object *obj_desc,
238                 union acpi_operand_object *target,
239                 struct acpi_walk_state *walk_state);
240
241 acpi_status
242 acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
243                       union acpi_operand_object **return_desc);
244
245 acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle);
246
247 /*
248  * exmutex - mutex support
249  */
250 acpi_status
251 acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
252                       union acpi_operand_object *obj_desc,
253                       struct acpi_walk_state *walk_state);
254
255 acpi_status
256 acpi_ex_acquire_mutex_object(u16 timeout,
257                              union acpi_operand_object *obj_desc,
258                              acpi_thread_id thread_id);
259
260 acpi_status
261 acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
262                       struct acpi_walk_state *walk_state);
263
264 acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc);
265
266 void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread);
267
268 void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc);
269
270 /*
271  * exprep - ACPI AML execution - prep utilities
272  */
273 acpi_status
274 acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
275                                  u8 field_flags,
276                                  u8 field_attribute,
277                                  u32 field_bit_position, u32 field_bit_length);
278
279 acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info);
280
281 /*
282  * exsystem - Interface to OS services
283  */
284 acpi_status
285 acpi_ex_system_do_notify_op(union acpi_operand_object *value,
286                             union acpi_operand_object *obj_desc);
287
288 acpi_status acpi_ex_system_do_sleep(u64 time);
289
290 acpi_status acpi_ex_system_do_stall(u32 time);
291
292 acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc);
293
294 acpi_status
295 acpi_ex_system_wait_event(union acpi_operand_object *time,
296                           union acpi_operand_object *obj_desc);
297
298 acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc);
299
300 acpi_status
301 acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout);
302
303 acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout);
304
305 /*
306  * exoparg1 - ACPI AML execution, 1 operand
307  */
308 acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state);
309
310 acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state);
311
312 acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state);
313
314 acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state);
315
316 acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state);
317
318 /*
319  * exoparg2 - ACPI AML execution, 2 operands
320  */
321 acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state);
322
323 acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state);
324
325 acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state);
326
327 acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state);
328
329 /*
330  * exoparg3 - ACPI AML execution, 3 operands
331  */
332 acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state);
333
334 acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state);
335
336 /*
337  * exoparg6 - ACPI AML execution, 6 operands
338  */
339 acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state);
340
341 /*
342  * exresolv - Object resolution and get value functions
343  */
344 acpi_status
345 acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
346                          struct acpi_walk_state *walk_state);
347
348 acpi_status
349 acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
350                          union acpi_operand_object *operand,
351                          acpi_object_type * return_type,
352                          union acpi_operand_object **return_desc);
353
354 /*
355  * exresnte - resolve namespace node
356  */
357 acpi_status
358 acpi_ex_resolve_node_to_value(struct acpi_namespace_node **stack_ptr,
359                               struct acpi_walk_state *walk_state);
360
361 /*
362  * exresop - resolve operand to value
363  */
364 acpi_status
365 acpi_ex_resolve_operands(u16 opcode,
366                          union acpi_operand_object **stack_ptr,
367                          struct acpi_walk_state *walk_state);
368
369 /*
370  * exdump - Interpreter debug output routines
371  */
372 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth);
373
374 void
375 acpi_ex_dump_operands(union acpi_operand_object **operands,
376                       const char *opcode_name, u32 num_opcodes);
377
378 #ifdef  ACPI_FUTURE_USAGE
379 void
380 acpi_ex_dump_object_descriptor(union acpi_operand_object *object, u32 flags);
381
382 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags);
383 #endif                          /* ACPI_FUTURE_USAGE */
384
385 /*
386  * exnames - AML namestring support
387  */
388 acpi_status
389 acpi_ex_get_name_string(acpi_object_type data_type,
390                         u8 * in_aml_address,
391                         char **out_name_string, u32 * out_name_length);
392
393 /*
394  * exstore - Object store support
395  */
396 acpi_status
397 acpi_ex_store(union acpi_operand_object *val_desc,
398               union acpi_operand_object *dest_desc,
399               struct acpi_walk_state *walk_state);
400
401 acpi_status
402 acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
403                              struct acpi_namespace_node *node,
404                              struct acpi_walk_state *walk_state,
405                              u8 implicit_conversion);
406
407 #define ACPI_IMPLICIT_CONVERSION        TRUE
408 #define ACPI_NO_IMPLICIT_CONVERSION     FALSE
409
410 /*
411  * exstoren - resolve/store object
412  */
413 acpi_status
414 acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
415                        acpi_object_type target_type,
416                        struct acpi_walk_state *walk_state);
417
418 acpi_status
419 acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
420                                union acpi_operand_object *dest_desc,
421                                union acpi_operand_object **new_desc,
422                                struct acpi_walk_state *walk_state);
423
424 /*
425  * exstorob - store object - buffer/string
426  */
427 acpi_status
428 acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
429                                union acpi_operand_object *target_desc);
430
431 acpi_status
432 acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
433                                union acpi_operand_object *target_desc);
434
435 /*
436  * excopy - object copy
437  */
438 acpi_status
439 acpi_ex_copy_integer_to_index_field(union acpi_operand_object *source_desc,
440                                     union acpi_operand_object *target_desc);
441
442 acpi_status
443 acpi_ex_copy_integer_to_bank_field(union acpi_operand_object *source_desc,
444                                    union acpi_operand_object *target_desc);
445
446 acpi_status
447 acpi_ex_copy_data_to_named_field(union acpi_operand_object *source_desc,
448                                  struct acpi_namespace_node *node);
449
450 acpi_status
451 acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
452                                      union acpi_operand_object *target_desc);
453
454 /*
455  * exutils - interpreter/scanner utilities
456  */
457 void acpi_ex_enter_interpreter(void);
458
459 void acpi_ex_exit_interpreter(void);
460
461 u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
462
463 void acpi_ex_acquire_global_lock(u32 rule);
464
465 void acpi_ex_release_global_lock(u32 rule);
466
467 void acpi_ex_eisa_id_to_string(char *dest, u64 compressed_id);
468
469 void acpi_ex_integer_to_string(char *dest, u64 value);
470
471 u8 acpi_is_valid_space_id(u8 space_id);
472
473 /*
474  * exregion - default op_region handlers
475  */
476 acpi_status
477 acpi_ex_system_memory_space_handler(u32 function,
478                                     acpi_physical_address address,
479                                     u32 bit_width,
480                                     u64 *value,
481                                     void *handler_context,
482                                     void *region_context);
483
484 acpi_status
485 acpi_ex_system_io_space_handler(u32 function,
486                                 acpi_physical_address address,
487                                 u32 bit_width,
488                                 u64 *value,
489                                 void *handler_context, void *region_context);
490
491 acpi_status
492 acpi_ex_pci_config_space_handler(u32 function,
493                                  acpi_physical_address address,
494                                  u32 bit_width,
495                                  u64 *value,
496                                  void *handler_context, void *region_context);
497
498 acpi_status
499 acpi_ex_cmos_space_handler(u32 function,
500                            acpi_physical_address address,
501                            u32 bit_width,
502                            u64 *value,
503                            void *handler_context, void *region_context);
504
505 acpi_status
506 acpi_ex_pci_bar_space_handler(u32 function,
507                               acpi_physical_address address,
508                               u32 bit_width,
509                               u64 *value,
510                               void *handler_context, void *region_context);
511
512 acpi_status
513 acpi_ex_embedded_controller_space_handler(u32 function,
514                                           acpi_physical_address address,
515                                           u32 bit_width,
516                                           u64 *value,
517                                           void *handler_context,
518                                           void *region_context);
519
520 acpi_status
521 acpi_ex_sm_bus_space_handler(u32 function,
522                              acpi_physical_address address,
523                              u32 bit_width,
524                              u64 *value,
525                              void *handler_context, void *region_context);
526
527 acpi_status
528 acpi_ex_data_table_space_handler(u32 function,
529                                  acpi_physical_address address,
530                                  u32 bit_width,
531                                  u64 *value,
532                                  void *handler_context, void *region_context);
533
534 #endif                          /* __INTERP_H__ */