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