OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / include / acpi / acpixf.h
bloba28da35ba45ee3f1fd3bcdf2b8a7f64bbe5d2391
2 /******************************************************************************
4 * Name: acpixf.h - External interfaces to the ACPI subsystem
6 *****************************************************************************/
8 /*
9 * Copyright (C) 2000 - 2011, Intel Corp.
10 * All rights reserved.
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.
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.
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.
45 #ifndef __ACXFACE_H__
46 #define __ACXFACE_H__
48 /* Current ACPICA subsystem version in YYYYMMDD format */
50 #define ACPI_CA_VERSION 0x20120111
52 #include "actypes.h"
53 #include "actbl.h"
55 extern u8 acpi_gbl_permanent_mmap;
58 * Globals that are publicly available, allowing for
59 * run time configuration
61 extern u32 acpi_dbg_level;
62 extern u32 acpi_dbg_layer;
63 extern u8 acpi_gbl_enable_interpreter_slack;
64 extern u8 acpi_gbl_all_methods_serialized;
65 extern u8 acpi_gbl_create_osi_method;
66 extern u8 acpi_gbl_use_default_register_widths;
67 extern acpi_name acpi_gbl_trace_method_name;
68 extern u32 acpi_gbl_trace_flags;
69 extern bool acpi_gbl_enable_aml_debug_object;
70 extern u8 acpi_gbl_copy_dsdt_locally;
71 extern u8 acpi_gbl_truncate_io_addresses;
72 extern u8 acpi_gbl_disable_auto_repair;
74 extern u32 acpi_current_gpe_count;
75 extern struct acpi_table_fadt acpi_gbl_FADT;
76 extern u8 acpi_gbl_system_awake_and_running;
77 extern u8 acpi_gbl_reduced_hardware; /* ACPI 5.0 */
79 extern u32 acpi_rsdt_forced;
81 * Global interfaces
83 acpi_status
84 acpi_initialize_tables(struct acpi_table_desc *initial_storage,
85 u32 initial_table_count, u8 allow_resize);
87 acpi_status __init acpi_initialize_subsystem(void);
89 acpi_status acpi_enable_subsystem(u32 flags);
91 acpi_status acpi_initialize_objects(u32 flags);
93 acpi_status acpi_terminate(void);
95 #ifdef ACPI_FUTURE_USAGE
96 acpi_status acpi_subsystem_status(void);
97 #endif
99 acpi_status acpi_enable(void);
101 acpi_status acpi_disable(void);
103 #ifdef ACPI_FUTURE_USAGE
104 acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
105 #endif
107 const char *acpi_format_exception(acpi_status exception);
109 acpi_status acpi_purge_cached_objects(void);
111 acpi_status acpi_install_interface(acpi_string interface_name);
113 acpi_status acpi_remove_interface(acpi_string interface_name);
116 acpi_check_address_range(acpi_adr_space_type space_id,
117 acpi_physical_address address,
118 acpi_size length, u8 warn);
121 * ACPI Memory management
123 void *acpi_allocate(u32 size);
125 void *acpi_callocate(u32 size);
127 void acpi_free(void *address);
130 * ACPI table manipulation interfaces
132 acpi_status acpi_reallocate_root_table(void);
134 acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);
136 acpi_status acpi_load_tables(void);
138 acpi_status acpi_load_table(struct acpi_table_header *table_ptr);
140 acpi_status acpi_unload_table_id(acpi_owner_id id);
142 acpi_status
143 acpi_get_table_header(acpi_string signature,
144 u32 instance,
145 struct acpi_table_header *out_table_header);
147 acpi_status
148 acpi_get_table_with_size(acpi_string signature,
149 u32 instance, struct acpi_table_header **out_table,
150 acpi_size *tbl_size);
151 acpi_status
152 acpi_get_table(acpi_string signature,
153 u32 instance, struct acpi_table_header **out_table);
155 acpi_status
156 acpi_get_table_by_index(u32 table_index,
157 struct acpi_table_header **out_table);
159 acpi_status
160 acpi_install_table_handler(acpi_tbl_handler handler, void *context);
162 acpi_status acpi_remove_table_handler(acpi_tbl_handler handler);
165 * Namespace and name interfaces
167 acpi_status
168 acpi_walk_namespace(acpi_object_type type,
169 acpi_handle start_object,
170 u32 max_depth,
171 acpi_walk_callback pre_order_visit,
172 acpi_walk_callback post_order_visit,
173 void *context, void **return_value);
175 acpi_status
176 acpi_get_devices(const char *HID,
177 acpi_walk_callback user_function,
178 void *context, void **return_value);
180 acpi_status
181 acpi_get_name(acpi_handle object,
182 u32 name_type, struct acpi_buffer *ret_path_ptr);
184 acpi_status
185 acpi_get_handle(acpi_handle parent,
186 acpi_string pathname, acpi_handle * ret_handle);
188 acpi_status
189 acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);
191 acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);
193 acpi_status
194 acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);
196 acpi_status
197 acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
200 * Object manipulation and enumeration
202 acpi_status
203 acpi_evaluate_object(acpi_handle object,
204 acpi_string pathname,
205 struct acpi_object_list *parameter_objects,
206 struct acpi_buffer *return_object_buffer);
208 acpi_status
209 acpi_evaluate_object_typed(acpi_handle object,
210 acpi_string pathname,
211 struct acpi_object_list *external_params,
212 struct acpi_buffer *return_buffer,
213 acpi_object_type return_type);
215 acpi_status
216 acpi_get_object_info(acpi_handle object,
217 struct acpi_device_info **return_buffer);
219 acpi_status acpi_install_method(u8 *buffer);
221 acpi_status
222 acpi_get_next_object(acpi_object_type type,
223 acpi_handle parent,
224 acpi_handle child, acpi_handle * out_handle);
226 acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
228 acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
230 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
233 * Handler interfaces
235 acpi_status
236 acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
238 acpi_status
239 acpi_install_global_event_handler(ACPI_GBL_EVENT_HANDLER handler,
240 void *context);
242 acpi_status
243 acpi_install_fixed_event_handler(u32 acpi_event,
244 acpi_event_handler handler, void *context);
246 acpi_status
247 acpi_remove_fixed_event_handler(u32 acpi_event, acpi_event_handler handler);
249 acpi_status
250 acpi_install_notify_handler(acpi_handle device,
251 u32 handler_type,
252 acpi_notify_handler handler, void *context);
254 acpi_status
255 acpi_remove_notify_handler(acpi_handle device,
256 u32 handler_type, acpi_notify_handler handler);
258 acpi_status
259 acpi_install_address_space_handler(acpi_handle device,
260 acpi_adr_space_type space_id,
261 acpi_adr_space_handler handler,
262 acpi_adr_space_setup setup, void *context);
264 acpi_status
265 acpi_remove_address_space_handler(acpi_handle device,
266 acpi_adr_space_type space_id,
267 acpi_adr_space_handler handler);
269 acpi_status
270 acpi_install_gpe_handler(acpi_handle gpe_device,
271 u32 gpe_number,
272 u32 type, acpi_gpe_handler address, void *context);
274 acpi_status
275 acpi_remove_gpe_handler(acpi_handle gpe_device,
276 u32 gpe_number, acpi_gpe_handler address);
278 #ifdef ACPI_FUTURE_USAGE
279 acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
280 #endif
282 acpi_status acpi_install_interface_handler(acpi_interface_handler handler);
285 * Global Lock interfaces
287 acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle);
289 acpi_status acpi_release_global_lock(u32 handle);
292 * Interfaces to AML mutex objects
294 acpi_status
295 acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout);
297 acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname);
300 * Fixed Event interfaces
302 acpi_status acpi_enable_event(u32 event, u32 flags);
304 acpi_status acpi_disable_event(u32 event, u32 flags);
306 acpi_status acpi_clear_event(u32 event);
308 acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
311 * General Purpose Event (GPE) Interfaces
313 acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number);
315 acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number);
317 acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number);
319 acpi_status
320 acpi_setup_gpe_for_wake(acpi_handle parent_device,
321 acpi_handle gpe_device, u32 gpe_number);
323 acpi_status acpi_set_gpe_wake_mask(acpi_handle gpe_device, u32 gpe_number, u8 action);
325 acpi_status
326 acpi_get_gpe_status(acpi_handle gpe_device,
327 u32 gpe_number, acpi_event_status *event_status);
329 acpi_status acpi_disable_all_gpes(void);
331 acpi_status acpi_enable_all_runtime_gpes(void);
333 acpi_status acpi_get_gpe_device(u32 gpe_index, acpi_handle *gpe_device);
335 acpi_status
336 acpi_install_gpe_block(acpi_handle gpe_device,
337 struct acpi_generic_address *gpe_block_address,
338 u32 register_count, u32 interrupt_number);
340 acpi_status acpi_remove_gpe_block(acpi_handle gpe_device);
342 acpi_status acpi_update_all_gpes(void);
345 * Resource interfaces
347 typedef
348 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
349 void *context);
351 acpi_status
352 acpi_get_vendor_resource(acpi_handle device,
353 char *name,
354 struct acpi_vendor_uuid *uuid,
355 struct acpi_buffer *ret_buffer);
357 acpi_status
358 acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
360 #ifdef ACPI_FUTURE_USAGE
361 acpi_status
362 acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
363 #endif
365 acpi_status
366 acpi_get_event_resources(acpi_handle device_handle,
367 struct acpi_buffer *ret_buffer);
369 acpi_status
370 acpi_walk_resources(acpi_handle device,
371 char *name,
372 acpi_walk_resource_callback user_function, void *context);
374 acpi_status
375 acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);
377 acpi_status
378 acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);
380 acpi_status
381 acpi_resource_to_address64(struct acpi_resource *resource,
382 struct acpi_resource_address64 *out);
384 acpi_status
385 acpi_buffer_to_resource(u8 *aml_buffer,
386 u16 aml_buffer_length,
387 struct acpi_resource **resource_ptr);
390 * Hardware (ACPI device) interfaces
392 acpi_status acpi_reset(void);
394 acpi_status acpi_read_bit_register(u32 register_id, u32 *return_value);
396 acpi_status acpi_write_bit_register(u32 register_id, u32 value);
398 acpi_status acpi_set_firmware_waking_vector(u32 physical_address);
400 #if ACPI_MACHINE_WIDTH == 64
401 acpi_status acpi_set_firmware_waking_vector64(u64 physical_address);
402 #endif
404 acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
406 acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);
408 acpi_status
409 acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
411 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
413 acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
415 acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void);
417 acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
419 acpi_status acpi_leave_sleep_state(u8 sleep_state);
422 * Error/Warning output
424 void ACPI_INTERNAL_VAR_XFACE
425 acpi_error(const char *module_name,
426 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
428 void ACPI_INTERNAL_VAR_XFACE
429 acpi_exception(const char *module_name,
430 u32 line_number,
431 acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4);
433 void ACPI_INTERNAL_VAR_XFACE
434 acpi_warning(const char *module_name,
435 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
437 void ACPI_INTERNAL_VAR_XFACE
438 acpi_info(const char *module_name,
439 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
442 * Debug output
444 #ifdef ACPI_DEBUG_OUTPUT
446 void ACPI_INTERNAL_VAR_XFACE
447 acpi_debug_print(u32 requested_debug_level,
448 u32 line_number,
449 const char *function_name,
450 const char *module_name,
451 u32 component_id, const char *format, ...) ACPI_PRINTF_LIKE(6);
453 void ACPI_INTERNAL_VAR_XFACE
454 acpi_debug_print_raw(u32 requested_debug_level,
455 u32 line_number,
456 const char *function_name,
457 const char *module_name,
458 u32 component_id,
459 const char *format, ...) ACPI_PRINTF_LIKE(6);
460 #endif
462 #endif /* __ACXFACE_H__ */