summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/acpica/acevents.h
blob: 704bebbd35b06adc0d9faeb98f22535586330d61 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
 *
 * Name: acevents.h - Event subcomponent prototypes and defines
 *
 * Copyright (C) 2000 - 2018, Intel Corp.
 *
 *****************************************************************************/

#ifndef __ACEVENTS_H__
#define __ACEVENTS_H__

/*
 * Conditions to trigger post enabling GPE polling:
 * It is not sufficient to trigger edge-triggered GPE with specific GPE
 * chips, software need to poll once after enabling.
 */
#ifdef ACPI_USE_GPE_POLLING
#define ACPI_GPE_IS_POLLING_NEEDED(__gpe__)             \
	((__gpe__)->runtime_count == 1 &&                   \
	 (__gpe__)->flags & ACPI_GPE_INITIALIZED &&         \
	 ((__gpe__)->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_EDGE_TRIGGERED)
#else
#define ACPI_GPE_IS_POLLING_NEEDED(__gpe__)             FALSE
#endif

/*
 * evevent
 */
acpi_status acpi_ev_initialize_events(void);

acpi_status acpi_ev_install_xrupt_handlers(void);

u32 acpi_ev_fixed_event_detect(void);

/*
 * evmisc
 */
u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node);

u32 acpi_ev_get_gpe_number_index(u32 gpe_number);

acpi_status
acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
			     u32 notify_value);

/*
 * evglock - Global Lock support
 */
acpi_status acpi_ev_init_global_lock_handler(void);

ACPI_HW_DEPENDENT_RETURN_OK(acpi_status
			    acpi_ev_acquire_global_lock(u16 timeout))
ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_release_global_lock(void))

acpi_status acpi_ev_remove_global_lock_handler(void);

/*
 * evgpe - Low-level GPE support
 */
u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);

acpi_status
acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info);

acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info);

acpi_status
acpi_ev_mask_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 is_masked);

acpi_status
acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info);

acpi_status
acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info);

struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
						       u32 gpe_number);

struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number,
						     struct acpi_gpe_block_info
						     *gpe_block);

acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info);

u32
acpi_ev_detect_gpe(struct acpi_namespace_node *gpe_device,
		   struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number);

/*
 * evgpeblk - Upper-level GPE block support
 */
acpi_status
acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
			 u64 address,
			 u8 space_id,
			 u32 register_count,
			 u16 gpe_block_base_number,
			 u32 interrupt_number,
			 struct acpi_gpe_block_info **return_gpe_block);

acpi_status
acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
			     struct acpi_gpe_block_info *gpe_block,
			     void *context);

ACPI_HW_DEPENDENT_RETURN_OK(acpi_status
			    acpi_ev_delete_gpe_block(struct acpi_gpe_block_info
						     *gpe_block))

u32
acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
		     struct acpi_gpe_event_info *gpe_event_info,
		     u32 gpe_number);

/*
 * evgpeinit - GPE initialization and update
 */
acpi_status acpi_ev_gpe_initialize(void);

ACPI_HW_DEPENDENT_RETURN_VOID(void
			      acpi_ev_update_gpes(acpi_owner_id table_owner_id))

acpi_status
acpi_ev_match_gpe_method(acpi_handle obj_handle,
			 u32 level, void *context, void **return_value);

/*
 * evgpeutil - GPE utilities
 */
acpi_status
acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context);

acpi_status
acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
		       struct acpi_gpe_block_info *gpe_block, void *context);

acpi_status
acpi_ev_get_gpe_xrupt_block(u32 interrupt_number,
			    struct acpi_gpe_xrupt_info **gpe_xrupt_block);

acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt);

acpi_status
acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
			    struct acpi_gpe_block_info *gpe_block,
			    void *context);

/*
 * evhandler - Address space handling
 */
union acpi_operand_object *acpi_ev_find_region_handler(acpi_adr_space_type
						       space_id,
						       union acpi_operand_object
						       *handler_obj);

u8
acpi_ev_has_default_handler(struct acpi_namespace_node *node,
			    acpi_adr_space_type space_id);

acpi_status acpi_ev_install_region_handlers(void);

acpi_status
acpi_ev_install_space_handler(struct acpi_namespace_node *node,
			      acpi_adr_space_type space_id,
			      acpi_adr_space_handler handler,
			      acpi_adr_space_setup setup, void *context);

/*
 * evregion - Operation region support
 */
acpi_status acpi_ev_initialize_op_regions(void);

acpi_status
acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
			       union acpi_operand_object *field_obj,
			       u32 function,
			       u32 region_offset, u32 bit_width, u64 *value);

acpi_status
acpi_ev_attach_region(union acpi_operand_object *handler_obj,
		      union acpi_operand_object *region_obj,
		      u8 acpi_ns_is_locked);

void
acpi_ev_detach_region(union acpi_operand_object *region_obj,
		      u8 acpi_ns_is_locked);

void
acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
			    acpi_adr_space_type space_id, u32 function);

acpi_status
acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function);

/*
 * evregini - Region initialization and setup
 */
acpi_status
acpi_ev_system_memory_region_setup(acpi_handle handle,
				   u32 function,
				   void *handler_context,
				   void **region_context);

acpi_status
acpi_ev_io_space_region_setup(acpi_handle handle,
			      u32 function,
			      void *handler_context, void **region_context);

acpi_status
acpi_ev_pci_config_region_setup(acpi_handle handle,
				u32 function,
				void *handler_context, void **region_context);

acpi_status
acpi_ev_cmos_region_setup(acpi_handle handle,
			  u32 function,
			  void *handler_context, void **region_context);

acpi_status
acpi_ev_pci_bar_region_setup(acpi_handle handle,
			     u32 function,
			     void *handler_context, void **region_context);

acpi_status
acpi_ev_default_region_setup(acpi_handle handle,
			     u32 function,
			     void *handler_context, void **region_context);

acpi_status acpi_ev_initialize_region(union acpi_operand_object *region_obj);

/*
 * evsci - SCI (System Control Interrupt) handling/dispatch
 */
u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context);

u32 acpi_ev_sci_dispatch(void);

u32 acpi_ev_install_sci_handler(void);

acpi_status acpi_ev_remove_all_sci_handlers(void);

ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void))
#endif				/* __ACEVENTS_H__  */
OpenPOWER on IntegriCloud