xref: /openbmc/linux/drivers/acpi/acpica/acevents.h (revision e23feb16)
1 /******************************************************************************
2  *
3  * Name: acevents.h - Event subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2013, 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
88 acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info);
89 
90 acpi_status
91 acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info);
92 
93 struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
94 						       u32 gpe_number);
95 
96 struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number,
97 						     struct acpi_gpe_block_info
98 						     *gpe_block);
99 
100 acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info);
101 
102 /*
103  * evgpeblk - Upper-level GPE block support
104  */
105 acpi_status
106 acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
107 			 struct acpi_generic_address *gpe_block_address,
108 			 u32 register_count,
109 			 u8 gpe_block_base_number,
110 			 u32 interrupt_number,
111 			 struct acpi_gpe_block_info **return_gpe_block);
112 
113 acpi_status
114 acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
115 			     struct acpi_gpe_block_info *gpe_block,
116 			     void *context);
117 
118 ACPI_HW_DEPENDENT_RETURN_OK(acpi_status
119 			    acpi_ev_delete_gpe_block(struct acpi_gpe_block_info
120 						     *gpe_block))
121 
122 u32
123 acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
124 		     struct acpi_gpe_event_info *gpe_event_info,
125 		     u32 gpe_number);
126 
127 /*
128  * evgpeinit - GPE initialization and update
129  */
130 acpi_status acpi_ev_gpe_initialize(void);
131 
132 ACPI_HW_DEPENDENT_RETURN_VOID(void
133 			      acpi_ev_update_gpes(acpi_owner_id table_owner_id))
134 
135  acpi_status
136 acpi_ev_match_gpe_method(acpi_handle obj_handle,
137 			 u32 level, void *context, void **return_value);
138 
139 /*
140  * evgpeutil - GPE utilities
141  */
142 acpi_status
143 acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context);
144 
145 u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info);
146 
147 acpi_status
148 acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
149 		       struct acpi_gpe_block_info *gpe_block, void *context);
150 
151 struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32 interrupt_number);
152 
153 acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt);
154 
155 acpi_status
156 acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
157 			    struct acpi_gpe_block_info *gpe_block,
158 			    void *context);
159 
160 /*
161  * evhandler - Address space handling
162  */
163 u8
164 acpi_ev_has_default_handler(struct acpi_namespace_node *node,
165 			    acpi_adr_space_type space_id);
166 
167 acpi_status acpi_ev_install_region_handlers(void);
168 
169 acpi_status
170 acpi_ev_install_space_handler(struct acpi_namespace_node *node,
171 			      acpi_adr_space_type space_id,
172 			      acpi_adr_space_handler handler,
173 			      acpi_adr_space_setup setup, void *context);
174 
175 /*
176  * evregion - Operation region support
177  */
178 acpi_status acpi_ev_initialize_op_regions(void);
179 
180 acpi_status
181 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
182 			       union acpi_operand_object *field_obj,
183 			       u32 function,
184 			       u32 region_offset, u32 bit_width, u64 *value);
185 
186 acpi_status
187 acpi_ev_attach_region(union acpi_operand_object *handler_obj,
188 		      union acpi_operand_object *region_obj,
189 		      u8 acpi_ns_is_locked);
190 
191 void
192 acpi_ev_detach_region(union acpi_operand_object *region_obj,
193 		      u8 acpi_ns_is_locked);
194 
195 acpi_status
196 acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
197 			    acpi_adr_space_type space_id);
198 
199 acpi_status
200 acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function);
201 
202 /*
203  * evregini - Region initialization and setup
204  */
205 acpi_status
206 acpi_ev_system_memory_region_setup(acpi_handle handle,
207 				   u32 function,
208 				   void *handler_context,
209 				   void **region_context);
210 
211 acpi_status
212 acpi_ev_io_space_region_setup(acpi_handle handle,
213 			      u32 function,
214 			      void *handler_context, void **region_context);
215 
216 acpi_status
217 acpi_ev_pci_config_region_setup(acpi_handle handle,
218 				u32 function,
219 				void *handler_context, void **region_context);
220 
221 acpi_status
222 acpi_ev_cmos_region_setup(acpi_handle handle,
223 			  u32 function,
224 			  void *handler_context, void **region_context);
225 
226 acpi_status
227 acpi_ev_pci_bar_region_setup(acpi_handle handle,
228 			     u32 function,
229 			     void *handler_context, void **region_context);
230 
231 acpi_status
232 acpi_ev_default_region_setup(acpi_handle handle,
233 			     u32 function,
234 			     void *handler_context, void **region_context);
235 
236 acpi_status
237 acpi_ev_initialize_region(union acpi_operand_object *region_obj,
238 			  u8 acpi_ns_locked);
239 
240 /*
241  * evsci - SCI (System Control Interrupt) handling/dispatch
242  */
243 u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context);
244 
245 u32 acpi_ev_install_sci_handler(void);
246 
247 acpi_status acpi_ev_remove_sci_handler(void);
248 
249 u32 acpi_ev_initialize_SCI(u32 program_SCI);
250 
251 ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void))
252 #endif				/* __ACEVENTS_H__  */
253