1 /****************************************************************************** 2 * 3 * Name: acevents.h - Event subcomponent prototypes and defines 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2011, 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 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 - Low-level GPE support 75 */ 76 u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list); 77 78 acpi_status 79 acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info); 80 81 acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info); 82 83 acpi_status acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info); 84 85 acpi_status acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info); 86 87 struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device, 88 u32 gpe_number); 89 90 struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number, 91 struct acpi_gpe_block_info 92 *gpe_block); 93 94 acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info); 95 96 /* 97 * evgpeblk - Upper-level GPE block support 98 */ 99 acpi_status 100 acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device, 101 struct acpi_generic_address *gpe_block_address, 102 u32 register_count, 103 u8 gpe_block_base_number, 104 u32 interrupt_number, 105 struct acpi_gpe_block_info **return_gpe_block); 106 107 acpi_status 108 acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 109 struct acpi_gpe_block_info *gpe_block, 110 void *context); 111 112 acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block); 113 114 u32 115 acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device, 116 struct acpi_gpe_event_info *gpe_event_info, 117 u32 gpe_number); 118 119 /* 120 * evgpeinit - GPE initialization and update 121 */ 122 acpi_status acpi_ev_gpe_initialize(void); 123 124 void acpi_ev_update_gpes(acpi_owner_id table_owner_id); 125 126 acpi_status 127 acpi_ev_match_gpe_method(acpi_handle obj_handle, 128 u32 level, void *context, void **return_value); 129 130 /* 131 * evgpeutil - GPE utilities 132 */ 133 acpi_status 134 acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context); 135 136 u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info); 137 138 acpi_status 139 acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 140 struct acpi_gpe_block_info *gpe_block, void *context); 141 142 struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32 interrupt_number); 143 144 acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt); 145 146 acpi_status 147 acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 148 struct acpi_gpe_block_info *gpe_block, 149 void *context); 150 151 /* 152 * evregion - Address Space handling 153 */ 154 acpi_status acpi_ev_install_region_handlers(void); 155 156 acpi_status acpi_ev_initialize_op_regions(void); 157 158 acpi_status 159 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, 160 u32 function, 161 u32 region_offset, u32 bit_width, u64 *value); 162 163 acpi_status 164 acpi_ev_attach_region(union acpi_operand_object *handler_obj, 165 union acpi_operand_object *region_obj, 166 u8 acpi_ns_is_locked); 167 168 void 169 acpi_ev_detach_region(union acpi_operand_object *region_obj, 170 u8 acpi_ns_is_locked); 171 172 acpi_status 173 acpi_ev_install_space_handler(struct acpi_namespace_node *node, 174 acpi_adr_space_type space_id, 175 acpi_adr_space_handler handler, 176 acpi_adr_space_setup setup, void *context); 177 178 acpi_status 179 acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, 180 acpi_adr_space_type space_id); 181 182 acpi_status 183 acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function); 184 185 /* 186 * evregini - Region initialization and setup 187 */ 188 acpi_status 189 acpi_ev_system_memory_region_setup(acpi_handle handle, 190 u32 function, 191 void *handler_context, 192 void **region_context); 193 194 acpi_status 195 acpi_ev_io_space_region_setup(acpi_handle handle, 196 u32 function, 197 void *handler_context, void **region_context); 198 199 acpi_status 200 acpi_ev_pci_config_region_setup(acpi_handle handle, 201 u32 function, 202 void *handler_context, void **region_context); 203 204 acpi_status 205 acpi_ev_cmos_region_setup(acpi_handle handle, 206 u32 function, 207 void *handler_context, void **region_context); 208 209 acpi_status 210 acpi_ev_pci_bar_region_setup(acpi_handle handle, 211 u32 function, 212 void *handler_context, void **region_context); 213 214 acpi_status 215 acpi_ev_default_region_setup(acpi_handle handle, 216 u32 function, 217 void *handler_context, void **region_context); 218 219 acpi_status 220 acpi_ev_initialize_region(union acpi_operand_object *region_obj, 221 u8 acpi_ns_locked); 222 223 /* 224 * evsci - SCI (System Control Interrupt) handling/dispatch 225 */ 226 u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context); 227 228 u32 acpi_ev_install_sci_handler(void); 229 230 acpi_status acpi_ev_remove_sci_handler(void); 231 232 u32 acpi_ev_initialize_sCI(u32 program_sCI); 233 234 void acpi_ev_terminate(void); 235 236 #endif /* __ACEVENTS_H__ */ 237