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 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 89 acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info); 90 91 acpi_status 92 acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info); 93 94 struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device, 95 u32 gpe_number); 96 97 struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number, 98 struct acpi_gpe_block_info 99 *gpe_block); 100 101 acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info); 102 103 /* 104 * evgpeblk - Upper-level GPE block support 105 */ 106 acpi_status 107 acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device, 108 u64 address, 109 u8 space_id, 110 u32 register_count, 111 u16 gpe_block_base_number, 112 u32 interrupt_number, 113 struct acpi_gpe_block_info **return_gpe_block); 114 115 acpi_status 116 acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 117 struct acpi_gpe_block_info *gpe_block, 118 void *context); 119 120 ACPI_HW_DEPENDENT_RETURN_OK(acpi_status 121 acpi_ev_delete_gpe_block(struct acpi_gpe_block_info 122 *gpe_block)) 123 124 u32 125 acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device, 126 struct acpi_gpe_event_info *gpe_event_info, 127 u32 gpe_number); 128 129 /* 130 * evgpeinit - GPE initialization and update 131 */ 132 acpi_status acpi_ev_gpe_initialize(void); 133 134 ACPI_HW_DEPENDENT_RETURN_VOID(void 135 acpi_ev_update_gpes(acpi_owner_id table_owner_id)) 136 137 acpi_status 138 acpi_ev_match_gpe_method(acpi_handle obj_handle, 139 u32 level, void *context, void **return_value); 140 141 /* 142 * evgpeutil - GPE utilities 143 */ 144 acpi_status 145 acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context); 146 147 acpi_status 148 acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 149 struct acpi_gpe_block_info *gpe_block, void *context); 150 151 acpi_status 152 acpi_ev_get_gpe_xrupt_block(u32 interrupt_number, 153 struct acpi_gpe_xrupt_info **gpe_xrupt_block); 154 155 acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt); 156 157 acpi_status 158 acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 159 struct acpi_gpe_block_info *gpe_block, 160 void *context); 161 162 /* 163 * evhandler - Address space handling 164 */ 165 union acpi_operand_object *acpi_ev_find_region_handler(acpi_adr_space_type 166 space_id, 167 union acpi_operand_object 168 *handler_obj); 169 170 u8 171 acpi_ev_has_default_handler(struct acpi_namespace_node *node, 172 acpi_adr_space_type space_id); 173 174 acpi_status acpi_ev_install_region_handlers(void); 175 176 acpi_status 177 acpi_ev_install_space_handler(struct acpi_namespace_node *node, 178 acpi_adr_space_type space_id, 179 acpi_adr_space_handler handler, 180 acpi_adr_space_setup setup, void *context); 181 182 /* 183 * evregion - Operation region support 184 */ 185 acpi_status acpi_ev_initialize_op_regions(void); 186 187 acpi_status 188 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, 189 union acpi_operand_object *field_obj, 190 u32 function, 191 u32 region_offset, u32 bit_width, u64 *value); 192 193 acpi_status 194 acpi_ev_attach_region(union acpi_operand_object *handler_obj, 195 union acpi_operand_object *region_obj, 196 u8 acpi_ns_is_locked); 197 198 void 199 acpi_ev_detach_region(union acpi_operand_object *region_obj, 200 u8 acpi_ns_is_locked); 201 202 void 203 acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, 204 acpi_adr_space_type space_id, u32 function); 205 206 acpi_status 207 acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function); 208 209 /* 210 * evregini - Region initialization and setup 211 */ 212 acpi_status 213 acpi_ev_system_memory_region_setup(acpi_handle handle, 214 u32 function, 215 void *handler_context, 216 void **region_context); 217 218 acpi_status 219 acpi_ev_io_space_region_setup(acpi_handle handle, 220 u32 function, 221 void *handler_context, void **region_context); 222 223 acpi_status 224 acpi_ev_pci_config_region_setup(acpi_handle handle, 225 u32 function, 226 void *handler_context, void **region_context); 227 228 acpi_status 229 acpi_ev_cmos_region_setup(acpi_handle handle, 230 u32 function, 231 void *handler_context, void **region_context); 232 233 acpi_status 234 acpi_ev_pci_bar_region_setup(acpi_handle handle, 235 u32 function, 236 void *handler_context, void **region_context); 237 238 acpi_status 239 acpi_ev_default_region_setup(acpi_handle handle, 240 u32 function, 241 void *handler_context, void **region_context); 242 243 acpi_status 244 acpi_ev_initialize_region(union acpi_operand_object *region_obj, 245 u8 acpi_ns_locked); 246 247 /* 248 * evsci - SCI (System Control Interrupt) handling/dispatch 249 */ 250 u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context); 251 252 u32 acpi_ev_sci_dispatch(void); 253 254 u32 acpi_ev_install_sci_handler(void); 255 256 acpi_status acpi_ev_remove_all_sci_handlers(void); 257 258 ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void)) 259 #endif /* __ACEVENTS_H__ */ 260