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1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2/******************************************************************************
3 *
4 * Name: acpixf.h - External interfaces to the ACPI subsystem
5 *
6 * Copyright (C) 2000 - 2020, Intel Corp.
7 *
8 *****************************************************************************/
9
10#ifndef __ACXFACE_H__
11#define __ACXFACE_H__
12
13/* Current ACPICA subsystem version in YYYYMMDD format */
14
15#define ACPI_CA_VERSION 0x20200717
16
17#include <acpi/acconfig.h>
18#include <acpi/actypes.h>
19#include <acpi/actbl.h>
20#include <acpi/acbuffer.h>
21
22/*****************************************************************************
23 *
24 * Macros used for ACPICA globals and configuration
25 *
26 ****************************************************************************/
27
28/*
29 * Ensure that global variables are defined and initialized only once.
30 *
31 * The use of these macros allows for a single list of globals (here)
32 * in order to simplify maintenance of the code.
33 */
34#ifdef DEFINE_ACPI_GLOBALS
35#define ACPI_GLOBAL(type,name) \
36 extern type name; \
37 type name
38
39#define ACPI_INIT_GLOBAL(type,name,value) \
40 type name=value
41
42#else
43#ifndef ACPI_GLOBAL
44#define ACPI_GLOBAL(type,name) \
45 extern type name
46#endif
47
48#ifndef ACPI_INIT_GLOBAL
49#define ACPI_INIT_GLOBAL(type,name,value) \
50 extern type name
51#endif
52#endif
53
54/*
55 * These macros configure the various ACPICA interfaces. They are
56 * useful for generating stub inline functions for features that are
57 * configured out of the current kernel or ACPICA application.
58 */
59#ifndef ACPI_EXTERNAL_RETURN_STATUS
60#define ACPI_EXTERNAL_RETURN_STATUS(prototype) \
61 prototype;
62#endif
63
64#ifndef ACPI_EXTERNAL_RETURN_OK
65#define ACPI_EXTERNAL_RETURN_OK(prototype) \
66 prototype;
67#endif
68
69#ifndef ACPI_EXTERNAL_RETURN_VOID
70#define ACPI_EXTERNAL_RETURN_VOID(prototype) \
71 prototype;
72#endif
73
74#ifndef ACPI_EXTERNAL_RETURN_UINT32
75#define ACPI_EXTERNAL_RETURN_UINT32(prototype) \
76 prototype;
77#endif
78
79#ifndef ACPI_EXTERNAL_RETURN_PTR
80#define ACPI_EXTERNAL_RETURN_PTR(prototype) \
81 prototype;
82#endif
83
84/*****************************************************************************
85 *
86 * Public globals and runtime configuration options
87 *
88 ****************************************************************************/
89
90/*
91 * Enable "slack mode" of the AML interpreter? Default is FALSE, and the
92 * interpreter strictly follows the ACPI specification. Setting to TRUE
93 * allows the interpreter to ignore certain errors and/or bad AML constructs.
94 *
95 * Currently, these features are enabled by this flag:
96 *
97 * 1) Allow "implicit return" of last value in a control method
98 * 2) Allow access beyond the end of an operation region
99 * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
100 * 4) Allow ANY object type to be a source operand for the Store() operator
101 * 5) Allow unresolved references (invalid target name) in package objects
102 * 6) Enable warning messages for behavior that is not ACPI spec compliant
103 */
104ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
105
106/*
107 * Automatically serialize all methods that create named objects? Default
108 * is TRUE, meaning that all non_serialized methods are scanned once at
109 * table load time to determine those that create named objects. Methods
110 * that create named objects are marked Serialized in order to prevent
111 * possible run-time problems if they are entered by more than one thread.
112 */
113ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
114
115/*
116 * Create the predefined _OSI method in the namespace? Default is TRUE
117 * because ACPICA is fully compatible with other ACPI implementations.
118 * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
119 */
120ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
121
122/*
123 * Optionally use default values for the ACPI register widths. Set this to
124 * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
125 */
126ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
127
128/*
129 * Whether or not to validate (map) an entire table to verify
130 * checksum/duplication in early stage before install. Set this to TRUE to
131 * allow early table validation before install it to the table manager.
132 * Note that enabling this option causes errors to happen in some OSPMs
133 * during early initialization stages. Default behavior is to allow such
134 * validation.
135 */
136ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_table_validation, TRUE);
137
138/*
139 * Optionally enable output from the AML Debug Object.
140 */
141ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
142
143/*
144 * Optionally copy the entire DSDT to local memory (instead of simply
145 * mapping it.) There are some BIOSs that corrupt or replace the original
146 * DSDT, creating the need for this option. Default is FALSE, do not copy
147 * the DSDT.
148 */
149ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
150
151/*
152 * Optionally ignore an XSDT if present and use the RSDT instead.
153 * Although the ACPI specification requires that an XSDT be used instead
154 * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
155 * some machines. Default behavior is to use the XSDT if present.
156 */
157ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
158
159/*
160 * Optionally use 32-bit FADT addresses if and when there is a conflict
161 * (address mismatch) between the 32-bit and 64-bit versions of the
162 * address. Although ACPICA adheres to the ACPI specification which
163 * requires the use of the corresponding 64-bit address if it is non-zero,
164 * some machines have been found to have a corrupted non-zero 64-bit
165 * address. Default is FALSE, do not favor the 32-bit addresses.
166 */
167ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
168
169/*
170 * Optionally use 32-bit FACS table addresses.
171 * It is reported that some platforms fail to resume from system suspending
172 * if 64-bit FACS table address is selected:
173 * https://bugzilla.kernel.org/show_bug.cgi?id=74021
174 * Default is TRUE, favor the 32-bit addresses.
175 */
176ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_facs_addresses, TRUE);
177
178/*
179 * Optionally truncate I/O addresses to 16 bits. Provides compatibility
180 * with other ACPI implementations. NOTE: During ACPICA initialization,
181 * this value is set to TRUE if any Windows OSI strings have been
182 * requested by the BIOS.
183 */
184ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
185
186/*
187 * Disable runtime checking and repair of values returned by control methods.
188 * Use only if the repair is causing a problem on a particular machine.
189 */
190ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
191
192/*
193 * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
194 * This can be useful for debugging ACPI problems on some machines.
195 */
196ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
197
198/*
199 * Optionally enable runtime namespace override.
200 */
201ACPI_INIT_GLOBAL(u8, acpi_gbl_runtime_namespace_override, TRUE);
202
203/*
204 * We keep track of the latest version of Windows that has been requested by
205 * the BIOS. ACPI 5.0.
206 */
207ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
208
209/*
210 * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
211 * that the ACPI hardware is no longer required. A flag in the FADT indicates
212 * a reduced HW machine, and that flag is duplicated here for convenience.
213 */
214ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
215
216/*
217 * Maximum timeout for While() loop iterations before forced method abort.
218 * This mechanism is intended to prevent infinite loops during interpreter
219 * execution within a host kernel.
220 */
221ACPI_INIT_GLOBAL(u32, acpi_gbl_max_loop_iterations, ACPI_MAX_LOOP_TIMEOUT);
222
223/*
224 * Optionally ignore AE_NOT_FOUND errors from named reference package elements
225 * during DSDT/SSDT table loading. This reduces error "noise" in platforms
226 * whose firmware is carrying around a bunch of unused package objects that
227 * refer to non-existent named objects. However, If the AML actually tries to
228 * use such a package, the unresolved element(s) will be replaced with NULL
229 * elements.
230 */
231ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_package_resolution_errors, FALSE);
232
233/*
234 * This mechanism is used to trace a specified AML method. The method is
235 * traced each time it is executed.
236 */
237ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
238ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL);
239ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT);
240ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT);
241
242/*
243 * Runtime configuration of debug output control masks. We want the debug
244 * switches statically initialized so they are already set when the debugger
245 * is entered.
246 */
247ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
248ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
249
250/* Optionally enable timer output with Debug Object output */
251
252ACPI_INIT_GLOBAL(u8, acpi_gbl_display_debug_timer, FALSE);
253
254/*
255 * Debugger command handshake globals. Host OSes need to access these
256 * variables to implement their own command handshake mechanism.
257 */
258#ifdef ACPI_DEBUGGER
259ACPI_INIT_GLOBAL(u8, acpi_gbl_method_executing, FALSE);
260ACPI_GLOBAL(char, acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]);
261#endif
262
263/*
264 * Other miscellaneous globals
265 */
266ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
267ACPI_GLOBAL(u32, acpi_current_gpe_count);
268ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
269
270/*****************************************************************************
271 *
272 * ACPICA public interface configuration.
273 *
274 * Interfaces that are configured out of the ACPICA build are replaced
275 * by inlined stubs by default.
276 *
277 ****************************************************************************/
278
279/*
280 * Hardware-reduced prototypes (default: Not hardware reduced).
281 *
282 * All ACPICA hardware-related interfaces that use these macros will be
283 * configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
284 * is set to TRUE.
285 *
286 * Note: This static build option for reduced hardware is intended to
287 * reduce ACPICA code size if desired or necessary. However, even if this
288 * option is not specified, the runtime behavior of ACPICA is dependent
289 * on the actual FADT reduced hardware flag (HW_REDUCED_ACPI). If set,
290 * the flag will enable similar behavior -- ACPICA will not attempt
291 * to access any ACPI-relate hardware (SCI, GPEs, Fixed Events, etc.)
292 */
293#if (!ACPI_REDUCED_HARDWARE)
294#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
295 ACPI_EXTERNAL_RETURN_STATUS(prototype)
296
297#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
298 ACPI_EXTERNAL_RETURN_OK(prototype)
299
300#define ACPI_HW_DEPENDENT_RETURN_UINT32(prototype) \
301 ACPI_EXTERNAL_RETURN_UINT32(prototype)
302
303#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
304 ACPI_EXTERNAL_RETURN_VOID(prototype)
305
306#else
307#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
308 static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
309
310#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
311 static ACPI_INLINE prototype {return(AE_OK);}
312
313#define ACPI_HW_DEPENDENT_RETURN_UINT32(prototype) \
314 static ACPI_INLINE prototype {return(0);}
315
316#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
317 static ACPI_INLINE prototype {return;}
318
319#endif /* !ACPI_REDUCED_HARDWARE */
320
321/*
322 * Error message prototypes (default: error messages enabled).
323 *
324 * All interfaces related to error and warning messages
325 * will be configured out of the ACPICA build if the
326 * ACPI_NO_ERROR_MESSAGE flag is defined.
327 */
328#ifndef ACPI_NO_ERROR_MESSAGES
329#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
330 prototype;
331
332#else
333#define ACPI_MSG_DEPENDENT_RETURN_VOID(prototype) \
334 static ACPI_INLINE prototype {return;}
335
336#endif /* ACPI_NO_ERROR_MESSAGES */
337
338/*
339 * Debugging output prototypes (default: no debug output).
340 *
341 * All interfaces related to debug output messages
342 * will be configured out of the ACPICA build unless the
343 * ACPI_DEBUG_OUTPUT flag is defined.
344 */
345#ifdef ACPI_DEBUG_OUTPUT
346#define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
347 prototype;
348
349#else
350#define ACPI_DBG_DEPENDENT_RETURN_VOID(prototype) \
351 static ACPI_INLINE prototype {return;}
352
353#endif /* ACPI_DEBUG_OUTPUT */
354
355/*
356 * Application prototypes
357 *
358 * All interfaces used by application will be configured
359 * out of the ACPICA build unless the ACPI_APPLICATION
360 * flag is defined.
361 */
362#ifdef ACPI_APPLICATION
363#define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
364 prototype;
365
366#else
367#define ACPI_APP_DEPENDENT_RETURN_VOID(prototype) \
368 static ACPI_INLINE prototype {return;}
369
370#endif /* ACPI_APPLICATION */
371
372/*
373 * Debugger prototypes
374 *
375 * All interfaces used by debugger will be configured
376 * out of the ACPICA build unless the ACPI_DEBUGGER
377 * flag is defined.
378 */
379#ifdef ACPI_DEBUGGER
380#define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
381 ACPI_EXTERNAL_RETURN_OK(prototype)
382
383#define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
384 ACPI_EXTERNAL_RETURN_VOID(prototype)
385
386#else
387#define ACPI_DBR_DEPENDENT_RETURN_OK(prototype) \
388 static ACPI_INLINE prototype {return(AE_OK);}
389
390#define ACPI_DBR_DEPENDENT_RETURN_VOID(prototype) \
391 static ACPI_INLINE prototype {return;}
392
393#endif /* ACPI_DEBUGGER */
394
395/*****************************************************************************
396 *
397 * ACPICA public interface prototypes
398 *
399 ****************************************************************************/
400
401/*
402 * Initialization
403 */
404ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
405 acpi_initialize_tables(struct acpi_table_desc
406 *initial_storage,
407 u32 initial_table_count,
408 u8 allow_resize))
409ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
410 acpi_initialize_subsystem(void))
411ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
412 acpi_enable_subsystem(u32 flags))
413ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
414 acpi_initialize_objects(u32 flags))
415ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
416 acpi_terminate(void))
417
418/*
419 * Miscellaneous global interfaces
420 */
421ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
422ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
423ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_subsystem_status(void))
424
425ACPI_EXTERNAL_RETURN_STATUS(acpi_status
426 acpi_get_system_info(struct acpi_buffer
427 *ret_buffer))
428ACPI_EXTERNAL_RETURN_STATUS(acpi_status
429 acpi_get_statistics(struct acpi_statistics *stats))
430ACPI_EXTERNAL_RETURN_PTR(const char
431 *acpi_format_exception(acpi_status exception))
432ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_purge_cached_objects(void))
433
434ACPI_EXTERNAL_RETURN_STATUS(acpi_status
435 acpi_install_interface(acpi_string interface_name))
436
437ACPI_EXTERNAL_RETURN_STATUS(acpi_status
438 acpi_remove_interface(acpi_string interface_name))
439ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_update_interfaces(u8 action))
440
441ACPI_EXTERNAL_RETURN_UINT32(u32
442 acpi_check_address_range(acpi_adr_space_type
443 space_id,
444 acpi_physical_address
445 address, acpi_size length,
446 u8 warn))
447ACPI_EXTERNAL_RETURN_STATUS(acpi_status
448 acpi_decode_pld_buffer(u8 *in_buffer,
449 acpi_size length,
450 struct acpi_pld_info
451 **return_buffer))
452
453/*
454 * ACPI table load/unload interfaces
455 */
456ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
457 acpi_install_table(acpi_physical_address address,
458 u8 physical))
459
460ACPI_EXTERNAL_RETURN_STATUS(acpi_status
461 acpi_load_table(struct acpi_table_header *table,
462 u32 *table_idx))
463
464ACPI_EXTERNAL_RETURN_STATUS(acpi_status
465 acpi_unload_table(u32 table_index))
466
467ACPI_EXTERNAL_RETURN_STATUS(acpi_status
468 acpi_unload_parent_table(acpi_handle object))
469
470ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
471 acpi_load_tables(void))
472
473/*
474 * ACPI table manipulation interfaces
475 */
476ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
477 acpi_reallocate_root_table(void))
478
479ACPI_EXTERNAL_RETURN_STATUS(acpi_status ACPI_INIT_FUNCTION
480 acpi_find_root_pointer(acpi_physical_address
481 *rsdp_address))
482ACPI_EXTERNAL_RETURN_STATUS(acpi_status
483 acpi_get_table_header(acpi_string signature,
484 u32 instance,
485 struct acpi_table_header
486 *out_table_header))
487ACPI_EXTERNAL_RETURN_STATUS(acpi_status
488 acpi_get_table(acpi_string signature, u32 instance,
489 struct acpi_table_header
490 **out_table))
491ACPI_EXTERNAL_RETURN_VOID(void acpi_put_table(struct acpi_table_header *table))
492
493ACPI_EXTERNAL_RETURN_STATUS(acpi_status
494 acpi_get_table_by_index(u32 table_index,
495 struct acpi_table_header
496 **out_table))
497ACPI_EXTERNAL_RETURN_STATUS(acpi_status
498 acpi_install_table_handler(acpi_table_handler
499 handler, void *context))
500ACPI_EXTERNAL_RETURN_STATUS(acpi_status
501 acpi_remove_table_handler(acpi_table_handler
502 handler))
503
504/*
505 * Namespace and name interfaces
506 */
507ACPI_EXTERNAL_RETURN_STATUS(acpi_status
508 acpi_walk_namespace(acpi_object_type type,
509 acpi_handle start_object,
510 u32 max_depth,
511 acpi_walk_callback
512 descending_callback,
513 acpi_walk_callback
514 ascending_callback,
515 void *context,
516 void **return_value))
517ACPI_EXTERNAL_RETURN_STATUS(acpi_status
518 acpi_get_devices(const char *HID,
519 acpi_walk_callback user_function,
520 void *context,
521 void **return_value))
522ACPI_EXTERNAL_RETURN_STATUS(acpi_status
523 acpi_get_name(acpi_handle object, u32 name_type,
524 struct acpi_buffer *ret_path_ptr))
525ACPI_EXTERNAL_RETURN_STATUS(acpi_status
526 acpi_get_handle(acpi_handle parent,
527 acpi_string pathname,
528 acpi_handle *ret_handle))
529ACPI_EXTERNAL_RETURN_STATUS(acpi_status
530 acpi_attach_data(acpi_handle object,
531 acpi_object_handler handler,
532 void *data))
533ACPI_EXTERNAL_RETURN_STATUS(acpi_status
534 acpi_detach_data(acpi_handle object,
535 acpi_object_handler handler))
536ACPI_EXTERNAL_RETURN_STATUS(acpi_status
537 acpi_get_data(acpi_handle object,
538 acpi_object_handler handler,
539 void **data))
540ACPI_EXTERNAL_RETURN_STATUS(acpi_status
541 acpi_debug_trace(const char *name, u32 debug_level,
542 u32 debug_layer, u32 flags))
543
544/*
545 * Object manipulation and enumeration
546 */
547ACPI_EXTERNAL_RETURN_STATUS(acpi_status
548 acpi_evaluate_object(acpi_handle object,
549 acpi_string pathname,
550 struct acpi_object_list
551 *parameter_objects,
552 struct acpi_buffer
553 *return_object_buffer))
554ACPI_EXTERNAL_RETURN_STATUS(acpi_status
555 acpi_evaluate_object_typed(acpi_handle object,
556 acpi_string pathname,
557 struct acpi_object_list
558 *external_params,
559 struct acpi_buffer
560 *return_buffer,
561 acpi_object_type
562 return_type))
563ACPI_EXTERNAL_RETURN_STATUS(acpi_status
564 acpi_get_object_info(acpi_handle object,
565 struct acpi_device_info
566 **return_buffer))
567ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_install_method(u8 *buffer))
568
569ACPI_EXTERNAL_RETURN_STATUS(acpi_status
570 acpi_get_next_object(acpi_object_type type,
571 acpi_handle parent,
572 acpi_handle child,
573 acpi_handle *out_handle))
574
575ACPI_EXTERNAL_RETURN_STATUS(acpi_status
576 acpi_get_type(acpi_handle object,
577 acpi_object_type *out_type))
578
579ACPI_EXTERNAL_RETURN_STATUS(acpi_status
580 acpi_get_parent(acpi_handle object,
581 acpi_handle *out_handle))
582
583/*
584 * Handler interfaces
585 */
586ACPI_EXTERNAL_RETURN_STATUS(acpi_status
587 acpi_install_initialization_handler
588 (acpi_init_handler handler, u32 function))
589ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
590 acpi_install_sci_handler(acpi_sci_handler
591 address,
592 void *context))
593ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
594 acpi_remove_sci_handler(acpi_sci_handler
595 address))
596ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
597 acpi_install_global_event_handler
598 (acpi_gbl_event_handler handler,
599 void *context))
600ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
601 acpi_install_fixed_event_handler(u32
602 acpi_event,
603 acpi_event_handler
604 handler,
605 void
606 *context))
607ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
608 acpi_remove_fixed_event_handler(u32 acpi_event,
609 acpi_event_handler
610 handler))
611ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
612 acpi_install_gpe_handler(acpi_handle
613 gpe_device,
614 u32 gpe_number,
615 u32 type,
616 acpi_gpe_handler
617 address,
618 void *context))
619ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
620 acpi_install_gpe_raw_handler(acpi_handle
621 gpe_device,
622 u32 gpe_number,
623 u32 type,
624 acpi_gpe_handler
625 address,
626 void *context))
627ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
628 acpi_remove_gpe_handler(acpi_handle gpe_device,
629 u32 gpe_number,
630 acpi_gpe_handler
631 address))
632ACPI_EXTERNAL_RETURN_STATUS(acpi_status
633 acpi_install_notify_handler(acpi_handle device,
634 u32 handler_type,
635 acpi_notify_handler
636 handler,
637 void *context))
638ACPI_EXTERNAL_RETURN_STATUS(acpi_status
639 acpi_remove_notify_handler(acpi_handle device,
640 u32 handler_type,
641 acpi_notify_handler
642 handler))
643ACPI_EXTERNAL_RETURN_STATUS(acpi_status
644 acpi_install_address_space_handler(acpi_handle
645 device,
646 acpi_adr_space_type
647 space_id,
648 acpi_adr_space_handler
649 handler,
650 acpi_adr_space_setup
651 setup,
652 void *context))
653ACPI_EXTERNAL_RETURN_STATUS(acpi_status
654 acpi_remove_address_space_handler(acpi_handle
655 device,
656 acpi_adr_space_type
657 space_id,
658 acpi_adr_space_handler
659 handler))
660ACPI_EXTERNAL_RETURN_STATUS(acpi_status
661 acpi_install_exception_handler
662 (acpi_exception_handler handler))
663ACPI_EXTERNAL_RETURN_STATUS(acpi_status
664 acpi_install_interface_handler
665 (acpi_interface_handler handler))
666
667/*
668 * Global Lock interfaces
669 */
670ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
671 acpi_acquire_global_lock(u16 timeout,
672 u32 *handle))
673
674ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
675 acpi_release_global_lock(u32 handle))
676
677/*
678 * Interfaces to AML mutex objects
679 */
680ACPI_EXTERNAL_RETURN_STATUS(acpi_status
681 acpi_acquire_mutex(acpi_handle handle,
682 acpi_string pathname,
683 u16 timeout))
684
685ACPI_EXTERNAL_RETURN_STATUS(acpi_status
686 acpi_release_mutex(acpi_handle handle,
687 acpi_string pathname))
688
689/*
690 * Fixed Event interfaces
691 */
692ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
693 acpi_enable_event(u32 event, u32 flags))
694
695ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
696 acpi_disable_event(u32 event, u32 flags))
697ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
698
699ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
700 acpi_get_event_status(u32 event,
701 acpi_event_status
702 *event_status))
703
704/*
705 * General Purpose Event (GPE) Interfaces
706 */
707ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
708
709ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
710 acpi_enable_gpe(acpi_handle gpe_device,
711 u32 gpe_number))
712
713ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
714 acpi_disable_gpe(acpi_handle gpe_device,
715 u32 gpe_number))
716
717ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
718 acpi_clear_gpe(acpi_handle gpe_device,
719 u32 gpe_number))
720
721ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
722 acpi_set_gpe(acpi_handle gpe_device,
723 u32 gpe_number, u8 action))
724
725ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
726 acpi_finish_gpe(acpi_handle gpe_device,
727 u32 gpe_number))
728
729ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
730 acpi_mask_gpe(acpi_handle gpe_device,
731 u32 gpe_number, u8 is_masked))
732
733ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
734 acpi_mark_gpe_for_wake(acpi_handle gpe_device,
735 u32 gpe_number))
736
737ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
738 acpi_setup_gpe_for_wake(acpi_handle
739 parent_device,
740 acpi_handle gpe_device,
741 u32 gpe_number))
742ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
743 acpi_set_gpe_wake_mask(acpi_handle gpe_device,
744 u32 gpe_number,
745 u8 action))
746ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
747 acpi_get_gpe_status(acpi_handle gpe_device,
748 u32 gpe_number,
749 acpi_event_status
750 *event_status))
751ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number))
752ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
753ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
754ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
755ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_gpe_status_set(u32 gpe_skip_number))
756ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_fixed_event_status_set(void))
757
758ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
759 acpi_get_gpe_device(u32 gpe_index,
760 acpi_handle *gpe_device))
761
762ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
763 acpi_install_gpe_block(acpi_handle gpe_device,
764 struct
765 acpi_generic_address
766 *gpe_block_address,
767 u32 register_count,
768 u32 interrupt_number))
769ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
770 acpi_remove_gpe_block(acpi_handle gpe_device))
771
772/*
773 * Resource interfaces
774 */
775typedef
776acpi_status (*acpi_walk_resource_callback) (struct acpi_resource * resource,
777 void *context);
778
779ACPI_EXTERNAL_RETURN_STATUS(acpi_status
780 acpi_get_vendor_resource(acpi_handle device,
781 char *name,
782 struct acpi_vendor_uuid
783 *uuid,
784 struct acpi_buffer
785 *ret_buffer))
786ACPI_EXTERNAL_RETURN_STATUS(acpi_status
787 acpi_get_current_resources(acpi_handle device,
788 struct acpi_buffer
789 *ret_buffer))
790ACPI_EXTERNAL_RETURN_STATUS(acpi_status
791 acpi_get_possible_resources(acpi_handle device,
792 struct acpi_buffer
793 *ret_buffer))
794ACPI_EXTERNAL_RETURN_STATUS(acpi_status
795 acpi_get_event_resources(acpi_handle device_handle,
796 struct acpi_buffer
797 *ret_buffer))
798ACPI_EXTERNAL_RETURN_STATUS(acpi_status
799 acpi_walk_resource_buffer(struct acpi_buffer
800 *buffer,
801 acpi_walk_resource_callback
802 user_function,
803 void *context))
804ACPI_EXTERNAL_RETURN_STATUS(acpi_status
805 acpi_walk_resources(acpi_handle device, char *name,
806 acpi_walk_resource_callback
807 user_function, void *context))
808ACPI_EXTERNAL_RETURN_STATUS(acpi_status
809 acpi_set_current_resources(acpi_handle device,
810 struct acpi_buffer
811 *in_buffer))
812ACPI_EXTERNAL_RETURN_STATUS(acpi_status
813 acpi_get_irq_routing_table(acpi_handle device,
814 struct acpi_buffer
815 *ret_buffer))
816ACPI_EXTERNAL_RETURN_STATUS(acpi_status
817 acpi_resource_to_address64(struct acpi_resource
818 *resource,
819 struct
820 acpi_resource_address64
821 *out))
822ACPI_EXTERNAL_RETURN_STATUS(acpi_status
823 acpi_buffer_to_resource(u8 *aml_buffer,
824 u16 aml_buffer_length,
825 struct acpi_resource
826 **resource_ptr))
827
828/*
829 * Hardware (ACPI device) interfaces
830 */
831ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_reset(void))
832
833ACPI_EXTERNAL_RETURN_STATUS(acpi_status
834 acpi_read(u64 *value,
835 struct acpi_generic_address *reg))
836
837ACPI_EXTERNAL_RETURN_STATUS(acpi_status
838 acpi_write(u64 value,
839 struct acpi_generic_address *reg))
840
841ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
842 acpi_read_bit_register(u32 register_id,
843 u32 *return_value))
844
845ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
846 acpi_write_bit_register(u32 register_id,
847 u32 value))
848
849/*
850 * Sleep/Wake interfaces
851 */
852ACPI_EXTERNAL_RETURN_STATUS(acpi_status
853 acpi_get_sleep_type_data(u8 sleep_state,
854 u8 *slp_typ_a,
855 u8 *slp_typ_b))
856
857ACPI_EXTERNAL_RETURN_STATUS(acpi_status
858 acpi_enter_sleep_state_prep(u8 sleep_state))
859ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_enter_sleep_state(u8 sleep_state))
860
861ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
862
863ACPI_EXTERNAL_RETURN_STATUS(acpi_status
864 acpi_leave_sleep_state_prep(u8 sleep_state))
865ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_leave_sleep_state(u8 sleep_state))
866
867ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
868 acpi_set_firmware_waking_vector
869 (acpi_physical_address physical_address,
870 acpi_physical_address physical_address64))
871/*
872 * ACPI Timer interfaces
873 */
874ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
875 acpi_get_timer_resolution(u32 *resolution))
876ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
877
878ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
879 acpi_get_timer_duration(u32 start_ticks,
880 u32 end_ticks,
881 u32 *time_elapsed))
882
883/*
884 * Error/Warning output
885 */
886ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
887 void ACPI_INTERNAL_VAR_XFACE
888 acpi_error(const char *module_name,
889 u32 line_number,
890 const char *format, ...))
891ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
892 void ACPI_INTERNAL_VAR_XFACE
893 acpi_exception(const char *module_name,
894 u32 line_number,
895 acpi_status status,
896 const char *format, ...))
897ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
898 void ACPI_INTERNAL_VAR_XFACE
899 acpi_warning(const char *module_name,
900 u32 line_number,
901 const char *format, ...))
902ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1)
903 void ACPI_INTERNAL_VAR_XFACE
904 acpi_info(const char *format, ...))
905ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
906 void ACPI_INTERNAL_VAR_XFACE
907 acpi_bios_error(const char *module_name,
908 u32 line_number,
909 const char *format, ...))
910ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(4)
911 void ACPI_INTERNAL_VAR_XFACE
912 acpi_bios_exception(const char *module_name,
913 u32 line_number,
914 acpi_status status,
915 const char *format, ...))
916ACPI_MSG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(3)
917 void ACPI_INTERNAL_VAR_XFACE
918 acpi_bios_warning(const char *module_name,
919 u32 line_number,
920 const char *format, ...))
921
922/*
923 * Debug output
924 */
925ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
926 void ACPI_INTERNAL_VAR_XFACE
927 acpi_debug_print(u32 requested_debug_level,
928 u32 line_number,
929 const char *function_name,
930 const char *module_name,
931 u32 component_id,
932 const char *format, ...))
933ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6)
934 void ACPI_INTERNAL_VAR_XFACE
935 acpi_debug_print_raw(u32 requested_debug_level,
936 u32 line_number,
937 const char *function_name,
938 const char *module_name,
939 u32 component_id,
940 const char *format, ...))
941
942ACPI_DBG_DEPENDENT_RETURN_VOID(void
943 acpi_trace_point(acpi_trace_event_type type,
944 u8 begin,
945 u8 *aml, char *pathname))
946
947acpi_status acpi_initialize_debugger(void);
948
949void acpi_terminate_debugger(void);
950
951/*
952 * Divergences
953 */
954ACPI_EXTERNAL_RETURN_STATUS(acpi_status
955 acpi_get_data_full(acpi_handle object,
956 acpi_object_handler handler,
957 void **data,
958 void (*callback)(void *)))
959
960void acpi_run_debugger(char *batch_buffer);
961
962void acpi_set_debugger_thread_id(acpi_thread_id thread_id);
963
964#endif /* __ACXFACE_H__ */
1
2/******************************************************************************
3 *
4 * Name: acpixf.h - External interfaces to the ACPI subsystem
5 *
6 *****************************************************************************/
7
8/*
9 * Copyright (C) 2000 - 2011, Intel Corp.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions, and the following disclaimer,
17 * without modification.
18 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
19 * substantially similar to the "NO WARRANTY" disclaimer below
20 * ("Disclaimer") and any redistribution must be conditioned upon
21 * including a substantially similar Disclaimer requirement for further
22 * binary redistribution.
23 * 3. Neither the names of the above-listed copyright holders nor the names
24 * of any contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * Alternatively, this software may be distributed under the terms of the
28 * GNU General Public License ("GPL") version 2 as published by the Free
29 * Software Foundation.
30 *
31 * NO WARRANTY
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
36 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
41 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
42 * POSSIBILITY OF SUCH DAMAGES.
43 */
44
45#ifndef __ACXFACE_H__
46#define __ACXFACE_H__
47
48/* Current ACPICA subsystem version in YYYYMMDD format */
49
50#define ACPI_CA_VERSION 0x20120320
51
52#include "acconfig.h"
53#include "actypes.h"
54#include "actbl.h"
55
56extern u8 acpi_gbl_permanent_mmap;
57
58/*
59 * Globals that are publicly available, allowing for
60 * run time configuration
61 */
62extern u32 acpi_dbg_level;
63extern u32 acpi_dbg_layer;
64extern u8 acpi_gbl_enable_interpreter_slack;
65extern u8 acpi_gbl_all_methods_serialized;
66extern u8 acpi_gbl_create_osi_method;
67extern u8 acpi_gbl_use_default_register_widths;
68extern acpi_name acpi_gbl_trace_method_name;
69extern u32 acpi_gbl_trace_flags;
70extern bool acpi_gbl_enable_aml_debug_object;
71extern u8 acpi_gbl_copy_dsdt_locally;
72extern u8 acpi_gbl_truncate_io_addresses;
73extern u8 acpi_gbl_disable_auto_repair;
74
75/*
76 * Hardware-reduced prototypes. All interfaces that use these macros will
77 * be configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
78 * is set to TRUE.
79 */
80#if (!ACPI_REDUCED_HARDWARE)
81#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
82 prototype;
83
84#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
85 prototype;
86
87#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
88 prototype;
89
90#else
91#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
92 static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
93
94#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
95 static ACPI_INLINE prototype {return(AE_OK);}
96
97#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
98 static ACPI_INLINE prototype {}
99
100#endif /* !ACPI_REDUCED_HARDWARE */
101
102extern u32 acpi_current_gpe_count;
103extern struct acpi_table_fadt acpi_gbl_FADT;
104extern u8 acpi_gbl_system_awake_and_running;
105extern u8 acpi_gbl_reduced_hardware; /* ACPI 5.0 */
106
107extern u32 acpi_rsdt_forced;
108/*
109 * Global interfaces
110 */
111acpi_status
112acpi_initialize_tables(struct acpi_table_desc *initial_storage,
113 u32 initial_table_count, u8 allow_resize);
114
115acpi_status __init acpi_initialize_subsystem(void);
116
117acpi_status acpi_enable_subsystem(u32 flags);
118
119acpi_status acpi_initialize_objects(u32 flags);
120
121acpi_status acpi_terminate(void);
122
123#ifdef ACPI_FUTURE_USAGE
124acpi_status acpi_subsystem_status(void);
125#endif
126
127ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
128ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
129
130#ifdef ACPI_FUTURE_USAGE
131acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
132#endif
133
134const char *acpi_format_exception(acpi_status exception);
135
136acpi_status acpi_purge_cached_objects(void);
137
138acpi_status acpi_install_interface(acpi_string interface_name);
139
140acpi_status acpi_remove_interface(acpi_string interface_name);
141
142u32
143acpi_check_address_range(acpi_adr_space_type space_id,
144 acpi_physical_address address,
145 acpi_size length, u8 warn);
146
147/*
148 * ACPI Memory management
149 */
150void *acpi_allocate(u32 size);
151
152void *acpi_callocate(u32 size);
153
154void acpi_free(void *address);
155
156/*
157 * ACPI table manipulation interfaces
158 */
159acpi_status acpi_reallocate_root_table(void);
160
161acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);
162
163acpi_status acpi_load_tables(void);
164
165acpi_status acpi_load_table(struct acpi_table_header *table_ptr);
166
167acpi_status acpi_unload_table_id(acpi_owner_id id);
168
169acpi_status
170acpi_get_table_header(acpi_string signature,
171 u32 instance,
172 struct acpi_table_header *out_table_header);
173
174acpi_status
175acpi_get_table_with_size(acpi_string signature,
176 u32 instance, struct acpi_table_header **out_table,
177 acpi_size *tbl_size);
178acpi_status
179acpi_get_table(acpi_string signature,
180 u32 instance, struct acpi_table_header **out_table);
181
182acpi_status
183acpi_get_table_by_index(u32 table_index,
184 struct acpi_table_header **out_table);
185
186acpi_status
187acpi_install_table_handler(acpi_tbl_handler handler, void *context);
188
189acpi_status acpi_remove_table_handler(acpi_tbl_handler handler);
190
191/*
192 * Namespace and name interfaces
193 */
194acpi_status
195acpi_walk_namespace(acpi_object_type type,
196 acpi_handle start_object,
197 u32 max_depth,
198 acpi_walk_callback pre_order_visit,
199 acpi_walk_callback post_order_visit,
200 void *context, void **return_value);
201
202acpi_status
203acpi_get_devices(const char *HID,
204 acpi_walk_callback user_function,
205 void *context, void **return_value);
206
207acpi_status
208acpi_get_name(acpi_handle object,
209 u32 name_type, struct acpi_buffer *ret_path_ptr);
210
211acpi_status
212acpi_get_handle(acpi_handle parent,
213 acpi_string pathname, acpi_handle * ret_handle);
214
215acpi_status
216acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);
217
218acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);
219
220acpi_status
221acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);
222
223acpi_status
224acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
225
226/*
227 * Object manipulation and enumeration
228 */
229acpi_status
230acpi_evaluate_object(acpi_handle object,
231 acpi_string pathname,
232 struct acpi_object_list *parameter_objects,
233 struct acpi_buffer *return_object_buffer);
234
235acpi_status
236acpi_evaluate_object_typed(acpi_handle object,
237 acpi_string pathname,
238 struct acpi_object_list *external_params,
239 struct acpi_buffer *return_buffer,
240 acpi_object_type return_type);
241
242acpi_status
243acpi_get_object_info(acpi_handle object,
244 struct acpi_device_info **return_buffer);
245
246acpi_status acpi_install_method(u8 *buffer);
247
248acpi_status
249acpi_get_next_object(acpi_object_type type,
250 acpi_handle parent,
251 acpi_handle child, acpi_handle * out_handle);
252
253acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
254
255acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
256
257acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
258
259/*
260 * Handler interfaces
261 */
262acpi_status
263acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
264
265ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
266 acpi_install_global_event_handler
267 (ACPI_GBL_EVENT_HANDLER handler, void *context))
268
269ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
270 acpi_install_fixed_event_handler(u32
271 acpi_event,
272 acpi_event_handler
273 handler,
274 void
275 *context))
276ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
277 acpi_remove_fixed_event_handler(u32 acpi_event,
278 acpi_event_handler
279 handler))
280ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
281 acpi_install_gpe_handler(acpi_handle
282 gpe_device,
283 u32 gpe_number,
284 u32 type,
285 acpi_gpe_handler
286 address,
287 void *context))
288ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
289 acpi_remove_gpe_handler(acpi_handle gpe_device,
290 u32 gpe_number,
291 acpi_gpe_handler
292 address))
293acpi_status
294acpi_install_notify_handler(acpi_handle device,
295 u32 handler_type,
296 acpi_notify_handler handler, void *context);
297
298acpi_status
299acpi_remove_notify_handler(acpi_handle device,
300 u32 handler_type, acpi_notify_handler handler);
301
302acpi_status
303acpi_install_address_space_handler(acpi_handle device,
304 acpi_adr_space_type space_id,
305 acpi_adr_space_handler handler,
306 acpi_adr_space_setup setup, void *context);
307
308acpi_status
309acpi_remove_address_space_handler(acpi_handle device,
310 acpi_adr_space_type space_id,
311 acpi_adr_space_handler handler);
312
313#ifdef ACPI_FUTURE_USAGE
314acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
315#endif
316
317acpi_status acpi_install_interface_handler(acpi_interface_handler handler);
318
319/*
320 * Global Lock interfaces
321 */
322ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
323 acpi_acquire_global_lock(u16 timeout,
324 u32 *handle))
325ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
326 acpi_release_global_lock(u32 handle))
327
328/*
329 * Interfaces to AML mutex objects
330 */
331acpi_status
332acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout);
333
334acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname);
335
336/*
337 * Fixed Event interfaces
338 */
339ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
340 acpi_enable_event(u32 event, u32 flags))
341
342ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
343 acpi_disable_event(u32 event, u32 flags))
344
345ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
346
347ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
348 acpi_get_event_status(u32 event,
349 acpi_event_status
350 *event_status))
351/*
352 * General Purpose Event (GPE) Interfaces
353 */
354ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
355
356ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
357 acpi_enable_gpe(acpi_handle gpe_device,
358 u32 gpe_number))
359
360ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
361 acpi_disable_gpe(acpi_handle gpe_device,
362 u32 gpe_number))
363
364ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
365 acpi_clear_gpe(acpi_handle gpe_device,
366 u32 gpe_number))
367
368ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
369 acpi_set_gpe(acpi_handle gpe_device,
370 u32 gpe_number, u8 action))
371
372ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
373 acpi_finish_gpe(acpi_handle gpe_device,
374 u32 gpe_number))
375
376ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
377 acpi_setup_gpe_for_wake(acpi_handle
378 parent_device,
379 acpi_handle gpe_device,
380 u32 gpe_number))
381ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
382 acpi_set_gpe_wake_mask(acpi_handle gpe_device,
383 u32 gpe_number,
384 u8 action))
385ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
386 acpi_get_gpe_status(acpi_handle gpe_device,
387 u32 gpe_number,
388 acpi_event_status
389 *event_status))
390
391ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
392
393ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
394
395ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
396 acpi_get_gpe_device(u32 gpe_index,
397 acpi_handle * gpe_device))
398
399ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
400 acpi_install_gpe_block(acpi_handle gpe_device,
401 struct
402 acpi_generic_address
403 *gpe_block_address,
404 u32 register_count,
405 u32 interrupt_number))
406ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
407 acpi_remove_gpe_block(acpi_handle gpe_device))
408
409/*
410 * Resource interfaces
411 */
412typedef
413acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
414 void *context);
415
416acpi_status
417acpi_get_vendor_resource(acpi_handle device,
418 char *name,
419 struct acpi_vendor_uuid *uuid,
420 struct acpi_buffer *ret_buffer);
421
422acpi_status
423acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
424
425#ifdef ACPI_FUTURE_USAGE
426acpi_status
427acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
428#endif
429
430acpi_status
431acpi_get_event_resources(acpi_handle device_handle,
432 struct acpi_buffer *ret_buffer);
433
434acpi_status
435acpi_walk_resources(acpi_handle device,
436 char *name,
437 acpi_walk_resource_callback user_function, void *context);
438
439acpi_status
440acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);
441
442acpi_status
443acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);
444
445acpi_status
446acpi_resource_to_address64(struct acpi_resource *resource,
447 struct acpi_resource_address64 *out);
448
449acpi_status
450acpi_buffer_to_resource(u8 *aml_buffer,
451 u16 aml_buffer_length,
452 struct acpi_resource **resource_ptr);
453
454/*
455 * Hardware (ACPI device) interfaces
456 */
457acpi_status acpi_reset(void);
458
459ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
460 acpi_read_bit_register(u32 register_id,
461 u32 *return_value))
462
463ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
464 acpi_write_bit_register(u32 register_id,
465 u32 value))
466
467ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
468 acpi_set_firmware_waking_vector(u32
469 physical_address))
470
471#if ACPI_MACHINE_WIDTH == 64
472ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
473 acpi_set_firmware_waking_vector64(u64
474 physical_address))
475#endif
476
477acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
478
479acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);
480
481/*
482 * Sleep/Wake interfaces
483 */
484acpi_status
485acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
486
487acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
488
489acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state, u8 flags);
490
491ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void))
492
493acpi_status acpi_leave_sleep_state_prep(u8 sleep_state, u8 flags);
494
495acpi_status acpi_leave_sleep_state(u8 sleep_state);
496
497/*
498 * ACPI Timer interfaces
499 */
500#ifdef ACPI_FUTURE_USAGE
501ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
502 acpi_get_timer_resolution(u32 *resolution))
503
504ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
505
506ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
507 acpi_get_timer_duration(u32 start_ticks,
508 u32 end_ticks,
509 u32 *time_elapsed))
510#endif /* ACPI_FUTURE_USAGE */
511
512/*
513 * Error/Warning output
514 */
515void ACPI_INTERNAL_VAR_XFACE
516acpi_error(const char *module_name,
517 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
518
519void ACPI_INTERNAL_VAR_XFACE
520acpi_exception(const char *module_name,
521 u32 line_number,
522 acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4);
523
524void ACPI_INTERNAL_VAR_XFACE
525acpi_warning(const char *module_name,
526 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
527
528void ACPI_INTERNAL_VAR_XFACE
529acpi_info(const char *module_name,
530 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
531
532/*
533 * Debug output
534 */
535#ifdef ACPI_DEBUG_OUTPUT
536
537void ACPI_INTERNAL_VAR_XFACE
538acpi_debug_print(u32 requested_debug_level,
539 u32 line_number,
540 const char *function_name,
541 const char *module_name,
542 u32 component_id, const char *format, ...) ACPI_PRINTF_LIKE(6);
543
544void ACPI_INTERNAL_VAR_XFACE
545acpi_debug_print_raw(u32 requested_debug_level,
546 u32 line_number,
547 const char *function_name,
548 const char *module_name,
549 u32 component_id,
550 const char *format, ...) ACPI_PRINTF_LIKE(6);
551#endif
552
553#endif /* __ACXFACE_H__ */