1 /****************************************************************************** 2 * 3 * Name: acevents.h - Event subcomponent prototypes and defines 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2016, 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 union acpi_operand_object *acpi_ev_find_region_handler(acpi_adr_space_type 165 space_id, 166 union acpi_operand_object 167 *handler_obj); 168 169 u8 170 acpi_ev_has_default_handler(struct acpi_namespace_node *node, 171 acpi_adr_space_type space_id); 172 173 acpi_status acpi_ev_install_region_handlers(void); 174 175 acpi_status 176 acpi_ev_install_space_handler(struct acpi_namespace_node *node, 177 acpi_adr_space_type space_id, 178 acpi_adr_space_handler handler, 179 acpi_adr_space_setup setup, void *context); 180 181 /* 182 * evregion - Operation region support 183 */ 184 acpi_status acpi_ev_initialize_op_regions(void); 185 186 acpi_status 187 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, 188 union acpi_operand_object *field_obj, 189 u32 function, 190 u32 region_offset, u32 bit_width, u64 *value); 191 192 acpi_status 193 acpi_ev_attach_region(union acpi_operand_object *handler_obj, 194 union acpi_operand_object *region_obj, 195 u8 acpi_ns_is_locked); 196 197 void 198 acpi_ev_detach_region(union acpi_operand_object *region_obj, 199 u8 acpi_ns_is_locked); 200 201 void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj); 202 203 void 204 acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, 205 acpi_adr_space_type space_id, u32 function); 206 207 acpi_status 208 acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function); 209 210 /* 211 * evregini - Region initialization and setup 212 */ 213 acpi_status 214 acpi_ev_system_memory_region_setup(acpi_handle handle, 215 u32 function, 216 void *handler_context, 217 void **region_context); 218 219 acpi_status 220 acpi_ev_io_space_region_setup(acpi_handle handle, 221 u32 function, 222 void *handler_context, void **region_context); 223 224 acpi_status 225 acpi_ev_pci_config_region_setup(acpi_handle handle, 226 u32 function, 227 void *handler_context, void **region_context); 228 229 acpi_status 230 acpi_ev_cmos_region_setup(acpi_handle handle, 231 u32 function, 232 void *handler_context, void **region_context); 233 234 acpi_status 235 acpi_ev_pci_bar_region_setup(acpi_handle handle, 236 u32 function, 237 void *handler_context, void **region_context); 238 239 acpi_status 240 acpi_ev_default_region_setup(acpi_handle handle, 241 u32 function, 242 void *handler_context, void **region_context); 243 244 acpi_status 245 acpi_ev_initialize_region(union acpi_operand_object *region_obj, 246 u8 acpi_ns_locked); 247 248 /* 249 * evsci - SCI (System Control Interrupt) handling/dispatch 250 */ 251 u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context); 252 253 u32 acpi_ev_sci_dispatch(void); 254 255 u32 acpi_ev_install_sci_handler(void); 256 257 acpi_status acpi_ev_remove_all_sci_handlers(void); 258 259 ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void)) 260 #endif /* __ACEVENTS_H__ */ 261