xref: /openbmc/linux/drivers/acpi/acpica/acevents.h (revision 3821a065)
1 /******************************************************************************
2  *
3  * Name: acevents.h - Event subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2015, 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 			 u64 address,
108 			 u8 space_id,
109 			 u32 register_count,
110 			 u16 gpe_block_base_number,
111 			 u32 interrupt_number,
112 			 struct acpi_gpe_block_info **return_gpe_block);
113 
114 acpi_status
115 acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
116 			     struct acpi_gpe_block_info *gpe_block,
117 			     void *context);
118 
119 ACPI_HW_DEPENDENT_RETURN_OK(acpi_status
120 			    acpi_ev_delete_gpe_block(struct acpi_gpe_block_info
121 						     *gpe_block))
122 
123 u32
124 acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
125 		     struct acpi_gpe_event_info *gpe_event_info,
126 		     u32 gpe_number);
127 
128 /*
129  * evgpeinit - GPE initialization and update
130  */
131 acpi_status acpi_ev_gpe_initialize(void);
132 
133 ACPI_HW_DEPENDENT_RETURN_VOID(void
134 			      acpi_ev_update_gpes(acpi_owner_id table_owner_id))
135 
136 acpi_status
137 acpi_ev_match_gpe_method(acpi_handle obj_handle,
138 			 u32 level, void *context, void **return_value);
139 
140 /*
141  * evgpeutil - GPE utilities
142  */
143 acpi_status
144 acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context);
145 
146 acpi_status
147 acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
148 		       struct acpi_gpe_block_info *gpe_block, void *context);
149 
150 acpi_status
151 acpi_ev_get_gpe_xrupt_block(u32 interrupt_number,
152 			    struct acpi_gpe_xrupt_info **gpe_xrupt_block);
153 
154 acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt);
155 
156 acpi_status
157 acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
158 			    struct acpi_gpe_block_info *gpe_block,
159 			    void *context);
160 
161 /*
162  * evhandler - Address space handling
163  */
164 u8
165 acpi_ev_has_default_handler(struct acpi_namespace_node *node,
166 			    acpi_adr_space_type space_id);
167 
168 acpi_status acpi_ev_install_region_handlers(void);
169 
170 acpi_status
171 acpi_ev_install_space_handler(struct acpi_namespace_node *node,
172 			      acpi_adr_space_type space_id,
173 			      acpi_adr_space_handler handler,
174 			      acpi_adr_space_setup setup, void *context);
175 
176 /*
177  * evregion - Operation region support
178  */
179 acpi_status acpi_ev_initialize_op_regions(void);
180 
181 acpi_status
182 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
183 			       union acpi_operand_object *field_obj,
184 			       u32 function,
185 			       u32 region_offset, u32 bit_width, u64 *value);
186 
187 acpi_status
188 acpi_ev_attach_region(union acpi_operand_object *handler_obj,
189 		      union acpi_operand_object *region_obj,
190 		      u8 acpi_ns_is_locked);
191 
192 void
193 acpi_ev_detach_region(union acpi_operand_object *region_obj,
194 		      u8 acpi_ns_is_locked);
195 
196 acpi_status
197 acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
198 			    acpi_adr_space_type space_id);
199 
200 acpi_status
201 acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function);
202 
203 /*
204  * evregini - Region initialization and setup
205  */
206 acpi_status
207 acpi_ev_system_memory_region_setup(acpi_handle handle,
208 				   u32 function,
209 				   void *handler_context,
210 				   void **region_context);
211 
212 acpi_status
213 acpi_ev_io_space_region_setup(acpi_handle handle,
214 			      u32 function,
215 			      void *handler_context, void **region_context);
216 
217 acpi_status
218 acpi_ev_pci_config_region_setup(acpi_handle handle,
219 				u32 function,
220 				void *handler_context, void **region_context);
221 
222 acpi_status
223 acpi_ev_cmos_region_setup(acpi_handle handle,
224 			  u32 function,
225 			  void *handler_context, void **region_context);
226 
227 acpi_status
228 acpi_ev_pci_bar_region_setup(acpi_handle handle,
229 			     u32 function,
230 			     void *handler_context, void **region_context);
231 
232 acpi_status
233 acpi_ev_default_region_setup(acpi_handle handle,
234 			     u32 function,
235 			     void *handler_context, void **region_context);
236 
237 acpi_status
238 acpi_ev_initialize_region(union acpi_operand_object *region_obj,
239 			  u8 acpi_ns_locked);
240 
241 /*
242  * evsci - SCI (System Control Interrupt) handling/dispatch
243  */
244 u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context);
245 
246 u32 acpi_ev_sci_dispatch(void);
247 
248 u32 acpi_ev_install_sci_handler(void);
249 
250 acpi_status acpi_ev_remove_all_sci_handlers(void);
251 
252 ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void))
253 #endif				/* __ACEVENTS_H__  */
254