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