xref: /openbmc/linux/drivers/acpi/acpica/acinterp.h (revision b6dcefde)
1 /******************************************************************************
2  *
3  * Name: acinterp.h - Interpreter subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2008, 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 
91 /* restore default alignment */
92 
93 #pragma pack()
94 
95 /*
96  * exconvrt - object conversion
97  */
98 acpi_status
99 acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
100 			   union acpi_operand_object **result_desc, u32 flags);
101 
102 acpi_status
103 acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
104 			  union acpi_operand_object **result_desc);
105 
106 acpi_status
107 acpi_ex_convert_to_string(union acpi_operand_object *obj_desc,
108 			  union acpi_operand_object **result_desc, u32 type);
109 
110 /* Types for ->String conversion */
111 
112 #define ACPI_EXPLICIT_BYTE_COPY         0x00000000
113 #define ACPI_EXPLICIT_CONVERT_HEX       0x00000001
114 #define ACPI_IMPLICIT_CONVERT_HEX       0x00000002
115 #define ACPI_EXPLICIT_CONVERT_DECIMAL   0x00000003
116 
117 acpi_status
118 acpi_ex_convert_to_target_type(acpi_object_type destination_type,
119 			       union acpi_operand_object *source_desc,
120 			       union acpi_operand_object **result_desc,
121 			       struct acpi_walk_state *walk_state);
122 
123 /*
124  * exfield - ACPI AML (p-code) execution - field manipulation
125  */
126 acpi_status
127 acpi_ex_common_buffer_setup(union acpi_operand_object *obj_desc,
128 			    u32 buffer_length, u32 * datum_count);
129 
130 acpi_status
131 acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
132 			       acpi_integer mask,
133 			       acpi_integer field_value,
134 			       u32 field_datum_byte_offset);
135 
136 void
137 acpi_ex_get_buffer_datum(acpi_integer * datum,
138 			 void *buffer,
139 			 u32 buffer_length,
140 			 u32 byte_granularity, u32 buffer_offset);
141 
142 void
143 acpi_ex_set_buffer_datum(acpi_integer merged_datum,
144 			 void *buffer,
145 			 u32 buffer_length,
146 			 u32 byte_granularity, u32 buffer_offset);
147 
148 acpi_status
149 acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
150 			     union acpi_operand_object *obj_desc,
151 			     union acpi_operand_object **ret_buffer_desc);
152 
153 acpi_status
154 acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
155 			    union acpi_operand_object *obj_desc,
156 			    union acpi_operand_object **result_desc);
157 
158 /*
159  * exfldio - low level field I/O
160  */
161 acpi_status
162 acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
163 			   void *buffer, u32 buffer_length);
164 
165 acpi_status
166 acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
167 			  void *buffer, u32 buffer_length);
168 
169 acpi_status
170 acpi_ex_access_region(union acpi_operand_object *obj_desc,
171 		      u32 field_datum_byte_offset,
172 		      acpi_integer * value, u32 read_write);
173 
174 /*
175  * exmisc - misc support routines
176  */
177 acpi_status
178 acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
179 			     union acpi_operand_object **return_desc,
180 			     struct acpi_walk_state *walk_state);
181 
182 acpi_status
183 acpi_ex_concat_template(union acpi_operand_object *obj_desc,
184 			union acpi_operand_object *obj_desc2,
185 			union acpi_operand_object **actual_return_desc,
186 			struct acpi_walk_state *walk_state);
187 
188 acpi_status
189 acpi_ex_do_concatenate(union acpi_operand_object *obj_desc,
190 		       union acpi_operand_object *obj_desc2,
191 		       union acpi_operand_object **actual_return_desc,
192 		       struct acpi_walk_state *walk_state);
193 
194 acpi_status
195 acpi_ex_do_logical_numeric_op(u16 opcode,
196 			      acpi_integer integer0,
197 			      acpi_integer integer1, u8 * logical_result);
198 
199 acpi_status
200 acpi_ex_do_logical_op(u16 opcode,
201 		      union acpi_operand_object *operand0,
202 		      union acpi_operand_object *operand1, u8 * logical_result);
203 
204 acpi_integer
205 acpi_ex_do_math_op(u16 opcode, acpi_integer operand0, acpi_integer operand1);
206 
207 acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state);
208 
209 acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state);
210 
211 acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state);
212 
213 acpi_status
214 acpi_ex_create_region(u8 * aml_start,
215 		      u32 aml_length,
216 		      u8 region_space, struct acpi_walk_state *walk_state);
217 
218 acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state);
219 
220 acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state);
221 
222 acpi_status
223 acpi_ex_create_method(u8 * aml_start,
224 		      u32 aml_length, struct acpi_walk_state *walk_state);
225 
226 /*
227  * exconfig - dynamic table load/unload
228  */
229 acpi_status
230 acpi_ex_load_op(union acpi_operand_object *obj_desc,
231 		union acpi_operand_object *target,
232 		struct acpi_walk_state *walk_state);
233 
234 acpi_status
235 acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
236 		      union acpi_operand_object **return_desc);
237 
238 acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle);
239 
240 /*
241  * exmutex - mutex support
242  */
243 acpi_status
244 acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
245 		      union acpi_operand_object *obj_desc,
246 		      struct acpi_walk_state *walk_state);
247 
248 acpi_status
249 acpi_ex_acquire_mutex_object(u16 timeout,
250 			     union acpi_operand_object *obj_desc,
251 			     acpi_thread_id thread_id);
252 
253 acpi_status
254 acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
255 		      struct acpi_walk_state *walk_state);
256 
257 acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc);
258 
259 void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread);
260 
261 void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc);
262 
263 /*
264  * exprep - ACPI AML execution - prep utilities
265  */
266 acpi_status
267 acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
268 				 u8 field_flags,
269 				 u8 field_attribute,
270 				 u32 field_bit_position, u32 field_bit_length);
271 
272 acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info);
273 
274 /*
275  * exsystem - Interface to OS services
276  */
277 acpi_status
278 acpi_ex_system_do_notify_op(union acpi_operand_object *value,
279 			    union acpi_operand_object *obj_desc);
280 
281 acpi_status acpi_ex_system_do_suspend(acpi_integer time);
282 
283 acpi_status acpi_ex_system_do_stall(u32 time);
284 
285 acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc);
286 
287 acpi_status
288 acpi_ex_system_wait_event(union acpi_operand_object *time,
289 			  union acpi_operand_object *obj_desc);
290 
291 acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc);
292 
293 acpi_status
294 acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout);
295 
296 acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout);
297 
298 /*
299  * exoparg1 - ACPI AML execution, 1 operand
300  */
301 acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state);
302 
303 acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state);
304 
305 acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state);
306 
307 acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state);
308 
309 acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state);
310 
311 /*
312  * exoparg2 - ACPI AML execution, 2 operands
313  */
314 acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state);
315 
316 acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state);
317 
318 acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state);
319 
320 acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state);
321 
322 /*
323  * exoparg3 - ACPI AML execution, 3 operands
324  */
325 acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state);
326 
327 acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state);
328 
329 /*
330  * exoparg6 - ACPI AML execution, 6 operands
331  */
332 acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state *walk_state);
333 
334 /*
335  * exresolv - Object resolution and get value functions
336  */
337 acpi_status
338 acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
339 			 struct acpi_walk_state *walk_state);
340 
341 acpi_status
342 acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
343 			 union acpi_operand_object *operand,
344 			 acpi_object_type * return_type,
345 			 union acpi_operand_object **return_desc);
346 
347 /*
348  * exresnte - resolve namespace node
349  */
350 acpi_status
351 acpi_ex_resolve_node_to_value(struct acpi_namespace_node **stack_ptr,
352 			      struct acpi_walk_state *walk_state);
353 
354 /*
355  * exresop - resolve operand to value
356  */
357 acpi_status
358 acpi_ex_resolve_operands(u16 opcode,
359 			 union acpi_operand_object **stack_ptr,
360 			 struct acpi_walk_state *walk_state);
361 
362 /*
363  * exdump - Interpreter debug output routines
364  */
365 void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth);
366 
367 void
368 acpi_ex_dump_operands(union acpi_operand_object **operands,
369 		      const char *opcode_name, u32 num_opcodes);
370 
371 #ifdef	ACPI_FUTURE_USAGE
372 void
373 acpi_ex_dump_object_descriptor(union acpi_operand_object *object, u32 flags);
374 
375 void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags);
376 #endif				/* ACPI_FUTURE_USAGE */
377 
378 /*
379  * exnames - AML namestring support
380  */
381 acpi_status
382 acpi_ex_get_name_string(acpi_object_type data_type,
383 			u8 * in_aml_address,
384 			char **out_name_string, u32 * out_name_length);
385 
386 /*
387  * exstore - Object store support
388  */
389 acpi_status
390 acpi_ex_store(union acpi_operand_object *val_desc,
391 	      union acpi_operand_object *dest_desc,
392 	      struct acpi_walk_state *walk_state);
393 
394 acpi_status
395 acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
396 			     struct acpi_namespace_node *node,
397 			     struct acpi_walk_state *walk_state,
398 			     u8 implicit_conversion);
399 
400 #define ACPI_IMPLICIT_CONVERSION        TRUE
401 #define ACPI_NO_IMPLICIT_CONVERSION     FALSE
402 
403 /*
404  * exstoren - resolve/store object
405  */
406 acpi_status
407 acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
408 		       acpi_object_type target_type,
409 		       struct acpi_walk_state *walk_state);
410 
411 acpi_status
412 acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
413 			       union acpi_operand_object *dest_desc,
414 			       union acpi_operand_object **new_desc,
415 			       struct acpi_walk_state *walk_state);
416 
417 /*
418  * exstorob - store object - buffer/string
419  */
420 acpi_status
421 acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
422 			       union acpi_operand_object *target_desc);
423 
424 acpi_status
425 acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
426 			       union acpi_operand_object *target_desc);
427 
428 /*
429  * excopy - object copy
430  */
431 acpi_status
432 acpi_ex_copy_integer_to_index_field(union acpi_operand_object *source_desc,
433 				    union acpi_operand_object *target_desc);
434 
435 acpi_status
436 acpi_ex_copy_integer_to_bank_field(union acpi_operand_object *source_desc,
437 				   union acpi_operand_object *target_desc);
438 
439 acpi_status
440 acpi_ex_copy_data_to_named_field(union acpi_operand_object *source_desc,
441 				 struct acpi_namespace_node *node);
442 
443 acpi_status
444 acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
445 				     union acpi_operand_object *target_desc);
446 
447 /*
448  * exutils - interpreter/scanner utilities
449  */
450 void acpi_ex_enter_interpreter(void);
451 
452 void acpi_ex_exit_interpreter(void);
453 
454 void acpi_ex_reacquire_interpreter(void);
455 
456 void acpi_ex_relinquish_interpreter(void);
457 
458 void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
459 
460 void acpi_ex_acquire_global_lock(u32 rule);
461 
462 void acpi_ex_release_global_lock(u32 rule);
463 
464 void acpi_ex_eisa_id_to_string(char *dest, acpi_integer compressed_id);
465 
466 void acpi_ex_integer_to_string(char *dest, acpi_integer value);
467 
468 /*
469  * exregion - default op_region handlers
470  */
471 acpi_status
472 acpi_ex_system_memory_space_handler(u32 function,
473 				    acpi_physical_address address,
474 				    u32 bit_width,
475 				    acpi_integer * value,
476 				    void *handler_context,
477 				    void *region_context);
478 
479 acpi_status
480 acpi_ex_system_io_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_pci_config_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_cmos_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_pci_bar_space_handler(u32 function,
502 			      acpi_physical_address address,
503 			      u32 bit_width,
504 			      acpi_integer * value,
505 			      void *handler_context, void *region_context);
506 
507 acpi_status
508 acpi_ex_embedded_controller_space_handler(u32 function,
509 					  acpi_physical_address address,
510 					  u32 bit_width,
511 					  acpi_integer * value,
512 					  void *handler_context,
513 					  void *region_context);
514 
515 acpi_status
516 acpi_ex_sm_bus_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 acpi_status
523 acpi_ex_data_table_space_handler(u32 function,
524 				 acpi_physical_address address,
525 				 u32 bit_width,
526 				 acpi_integer * value,
527 				 void *handler_context, void *region_context);
528 
529 #endif				/* __INTERP_H__ */
530