drm: add option to force writeback off.
[safe/jmp/linux-2.6] / include / acpi / acevents.h
1 /******************************************************************************
2  *
3  * Name: acevents.h - Event subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6
7 /*
8  * Copyright (C) 2000 - 2005, R. Byron Moore
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 acpi_status acpi_ev_acquire_global_lock(u16 timeout);
62
63 acpi_status acpi_ev_release_global_lock(void);
64
65 acpi_status acpi_ev_init_global_lock_handler(void);
66
67 u32 acpi_ev_get_gpe_number_index(u32 gpe_number);
68
69 acpi_status
70 acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
71                              u32 notify_value);
72
73 /*
74  * evgpe - GPE handling and dispatch
75  */
76 acpi_status
77 acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
78                                 u8 type);
79
80 acpi_status
81 acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info,
82                    u8 write_to_hardware);
83
84 acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info);
85
86 struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
87                                                        u32 gpe_number);
88
89 /*
90  * evgpeblk
91  */
92 u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info);
93
94 acpi_status acpi_ev_walk_gpe_list(ACPI_GPE_CALLBACK gpe_walk_callback);
95
96 acpi_status
97 acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
98                             struct acpi_gpe_block_info *gpe_block);
99
100 acpi_status
101 acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
102                          struct acpi_generic_address *gpe_block_address,
103                          u32 register_count,
104                          u8 gpe_block_base_number,
105                          u32 interrupt_number,
106                          struct acpi_gpe_block_info **return_gpe_block);
107
108 acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block);
109
110 u32
111 acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info,
112                      u32 gpe_number);
113
114 u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
115
116 acpi_status
117 acpi_ev_set_gpe_type(struct acpi_gpe_event_info *gpe_event_info, u8 type);
118
119 acpi_status
120 acpi_ev_check_for_wake_only_gpe(struct acpi_gpe_event_info *gpe_event_info);
121
122 acpi_status acpi_ev_gpe_initialize(void);
123
124 /*
125  * evregion - Address Space handling
126  */
127 acpi_status acpi_ev_install_region_handlers(void);
128
129 acpi_status acpi_ev_initialize_op_regions(void);
130
131 acpi_status
132 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
133                                u32 function,
134                                acpi_physical_address address,
135                                u32 bit_width, void *value);
136
137 acpi_status
138 acpi_ev_attach_region(union acpi_operand_object *handler_obj,
139                       union acpi_operand_object *region_obj,
140                       u8 acpi_ns_is_locked);
141
142 void
143 acpi_ev_detach_region(union acpi_operand_object *region_obj,
144                       u8 acpi_ns_is_locked);
145
146 acpi_status
147 acpi_ev_install_space_handler(struct acpi_namespace_node *node,
148                               acpi_adr_space_type space_id,
149                               acpi_adr_space_handler handler,
150                               acpi_adr_space_setup setup, void *context);
151
152 acpi_status
153 acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
154                             acpi_adr_space_type space_id);
155
156 acpi_status
157 acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function);
158
159 /*
160  * evregini - Region initialization and setup
161  */
162 acpi_status
163 acpi_ev_system_memory_region_setup(acpi_handle handle,
164                                    u32 function,
165                                    void *handler_context,
166                                    void **region_context);
167
168 acpi_status
169 acpi_ev_io_space_region_setup(acpi_handle handle,
170                               u32 function,
171                               void *handler_context, void **region_context);
172
173 acpi_status
174 acpi_ev_pci_config_region_setup(acpi_handle handle,
175                                 u32 function,
176                                 void *handler_context, void **region_context);
177
178 acpi_status
179 acpi_ev_cmos_region_setup(acpi_handle handle,
180                           u32 function,
181                           void *handler_context, void **region_context);
182
183 acpi_status
184 acpi_ev_pci_bar_region_setup(acpi_handle handle,
185                              u32 function,
186                              void *handler_context, void **region_context);
187
188 acpi_status
189 acpi_ev_default_region_setup(acpi_handle handle,
190                              u32 function,
191                              void *handler_context, void **region_context);
192
193 acpi_status
194 acpi_ev_initialize_region(union acpi_operand_object *region_obj,
195                           u8 acpi_ns_locked);
196
197 /*
198  * evsci - SCI (System Control Interrupt) handling/dispatch
199  */
200 u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context);
201
202 u32 acpi_ev_install_sci_handler(void);
203
204 acpi_status acpi_ev_remove_sci_handler(void);
205
206 u32 acpi_ev_initialize_sCI(u32 program_sCI);
207
208 void acpi_ev_terminate(void);
209
210 #endif                          /* __ACEVENTS_H__  */