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acevents.h
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1 /******************************************************************************
2  *
3  * Name: acevents.h - Event subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2012, 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 __ACEVENTS_H__
45 #define __ACEVENTS_H__
46 
47 /*
48  * evevent
49  */
50 acpi_status acpi_ev_initialize_events(void);
51 
52 acpi_status acpi_ev_install_xrupt_handlers(void);
53 
54 u32 acpi_ev_fixed_event_detect(void);
55 
56 /*
57  * evmisc
58  */
59 u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node);
60 
61 u32 acpi_ev_get_gpe_number_index(u32 gpe_number);
62 
63 acpi_status
64 acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
65  u32 notify_value);
66 
67 /*
68  * evglock - Global Lock support
69  */
70 acpi_status acpi_ev_init_global_lock_handler(void);
71 
72 ACPI_HW_DEPENDENT_RETURN_OK(acpi_status
73  acpi_ev_acquire_global_lock(u16 timeout))
74  ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_release_global_lock(void))
75  acpi_status acpi_ev_remove_global_lock_handler(void);
76 
77 /*
78  * evgpe - Low-level GPE support
79  */
80 u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
81 
82 acpi_status
83 acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info);
84 
85 acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info);
86 
87 acpi_status acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info);
88 
89 acpi_status acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info);
90 
91 struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
92  u32 gpe_number);
93 
94 struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number,
95  struct acpi_gpe_block_info
96  *gpe_block);
97 
98 acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info);
99 
100 /*
101  * evgpeblk - Upper-level GPE block support
102  */
103 acpi_status
104 acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
105  struct acpi_generic_address *gpe_block_address,
106  u32 register_count,
107  u8 gpe_block_base_number,
108  u32 interrupt_number,
109  struct acpi_gpe_block_info **return_gpe_block);
110 
111 acpi_status
112 acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
113  struct acpi_gpe_block_info *gpe_block,
114  void *context);
115 
116 ACPI_HW_DEPENDENT_RETURN_OK(acpi_status
117  acpi_ev_delete_gpe_block(struct acpi_gpe_block_info
118  *gpe_block))
119 
120 u32
121 acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
122  struct acpi_gpe_event_info *gpe_event_info,
123  u32 gpe_number);
124 
125 /*
126  * evgpeinit - GPE initialization and update
127  */
128 acpi_status acpi_ev_gpe_initialize(void);
129 
130 ACPI_HW_DEPENDENT_RETURN_VOID(void
131  acpi_ev_update_gpes(acpi_owner_id table_owner_id))
132 
133  acpi_status
134 acpi_ev_match_gpe_method(acpi_handle obj_handle,
135  u32 level, void *context, void **return_value);
136 
137 /*
138  * evgpeutil - GPE utilities
139  */
140 acpi_status
141 acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context);
142 
143 u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info);
144 
145 acpi_status
146 acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
147  struct acpi_gpe_block_info *gpe_block, void *context);
148 
149 struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32 interrupt_number);
150 
151 acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt);
152 
153 acpi_status
154 acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
155  struct acpi_gpe_block_info *gpe_block,
156  void *context);
157 
158 /*
159  * evregion - Address Space handling
160  */
161 acpi_status acpi_ev_install_region_handlers(void);
162 
163 acpi_status acpi_ev_initialize_op_regions(void);
164 
165 acpi_status
166 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
167  union acpi_operand_object *field_obj,
168  u32 function,
169  u32 region_offset, u32 bit_width, u64 *value);
170 
171 acpi_status
172 acpi_ev_attach_region(union acpi_operand_object *handler_obj,
173  union acpi_operand_object *region_obj,
174  u8 acpi_ns_is_locked);
175 
176 void
177 acpi_ev_detach_region(union acpi_operand_object *region_obj,
178  u8 acpi_ns_is_locked);
179 
180 acpi_status
181 acpi_ev_install_space_handler(struct acpi_namespace_node *node,
182  acpi_adr_space_type space_id,
183  acpi_adr_space_handler handler,
184  acpi_adr_space_setup setup, void *context);
185 
186 acpi_status
187 acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
188  acpi_adr_space_type space_id);
189 
190 acpi_status
191 acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function);
192 
193 /*
194  * evregini - Region initialization and setup
195  */
196 acpi_status
197 acpi_ev_system_memory_region_setup(acpi_handle handle,
198  u32 function,
199  void *handler_context,
200  void **region_context);
201 
202 acpi_status
203 acpi_ev_io_space_region_setup(acpi_handle handle,
204  u32 function,
205  void *handler_context, void **region_context);
206 
207 acpi_status
208 acpi_ev_pci_config_region_setup(acpi_handle handle,
209  u32 function,
210  void *handler_context, void **region_context);
211 
212 acpi_status
213 acpi_ev_cmos_region_setup(acpi_handle handle,
214  u32 function,
215  void *handler_context, void **region_context);
216 
217 acpi_status
218 acpi_ev_pci_bar_region_setup(acpi_handle handle,
219  u32 function,
220  void *handler_context, void **region_context);
221 
222 acpi_status
223 acpi_ev_default_region_setup(acpi_handle handle,
224  u32 function,
225  void *handler_context, void **region_context);
226 
227 acpi_status
228 acpi_ev_initialize_region(union acpi_operand_object *region_obj,
229  u8 acpi_ns_locked);
230 
231 /*
232  * evsci - SCI (System Control Interrupt) handling/dispatch
233  */
234 u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context);
235 
236 u32 acpi_ev_install_sci_handler(void);
237 
238 acpi_status acpi_ev_remove_sci_handler(void);
239 
240 u32 acpi_ev_initialize_SCI(u32 program_SCI);
241 
242 ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void))
243 #endif /* __ACEVENTS_H__ */
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