1 /****************************************************************************** 2 * 3 * Name: acevents.h - Event subcomponent prototypes and defines 4 * 5 *****************************************************************************/ 6 7 /* 8 * Copyright (C) 2000 - 2010, 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 acpi_status acpi_ev_install_fadt_gpes(void); 55 56 u32 acpi_ev_fixed_event_detect(void); 57 58 /* 59 * evmisc 60 */ 61 u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node); 62 63 acpi_status acpi_ev_acquire_global_lock(u16 timeout); 64 65 acpi_status acpi_ev_release_global_lock(void); 66 67 acpi_status acpi_ev_init_global_lock_handler(void); 68 69 u32 acpi_ev_get_gpe_number_index(u32 gpe_number); 70 71 acpi_status 72 acpi_ev_queue_notify_request(struct acpi_namespace_node *node, 73 u32 notify_value); 74 75 /* 76 * evgpe - Low-level GPE support 77 */ 78 u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list); 79 80 acpi_status 81 acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info); 82 83 acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info); 84 85 acpi_status acpi_raw_enable_gpe(struct acpi_gpe_event_info *gpe_event_info); 86 87 acpi_status acpi_raw_disable_gpe(struct acpi_gpe_event_info *gpe_event_info); 88 89 struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device, 90 u32 gpe_number); 91 92 struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number, 93 struct acpi_gpe_block_info 94 *gpe_block); 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 *ignored); 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_gpe_event_info *gpe_event_info, 116 u32 gpe_number); 117 118 /* 119 * evgpeinit - GPE initialization and update 120 */ 121 acpi_status acpi_ev_gpe_initialize(void); 122 123 void acpi_ev_update_gpes(acpi_owner_id table_owner_id); 124 125 acpi_status 126 acpi_ev_match_gpe_method(acpi_handle obj_handle, 127 u32 level, void *context, void **return_value); 128 129 acpi_status 130 acpi_ev_match_prw_and_gpe(acpi_handle obj_handle, 131 u32 level, void *context, void **return_value); 132 133 /* 134 * evgpeutil - GPE utilities 135 */ 136 acpi_status 137 acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context); 138 139 u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info); 140 141 struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32 interrupt_number); 142 143 acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt); 144 145 acpi_status 146 acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, 147 struct acpi_gpe_block_info *gpe_block, 148 void *context); 149 150 /* 151 * evregion - Address Space handling 152 */ 153 acpi_status acpi_ev_install_region_handlers(void); 154 155 acpi_status acpi_ev_initialize_op_regions(void); 156 157 acpi_status 158 acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, 159 u32 function, 160 u32 region_offset, u32 bit_width, u64 *value); 161 162 acpi_status 163 acpi_ev_attach_region(union acpi_operand_object *handler_obj, 164 union acpi_operand_object *region_obj, 165 u8 acpi_ns_is_locked); 166 167 void 168 acpi_ev_detach_region(union acpi_operand_object *region_obj, 169 u8 acpi_ns_is_locked); 170 171 acpi_status 172 acpi_ev_install_space_handler(struct acpi_namespace_node *node, 173 acpi_adr_space_type space_id, 174 acpi_adr_space_handler handler, 175 acpi_adr_space_setup setup, void *context); 176 177 acpi_status 178 acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, 179 acpi_adr_space_type space_id); 180 181 acpi_status 182 acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function); 183 184 /* 185 * evregini - Region initialization and setup 186 */ 187 acpi_status 188 acpi_ev_system_memory_region_setup(acpi_handle handle, 189 u32 function, 190 void *handler_context, 191 void **region_context); 192 193 acpi_status 194 acpi_ev_io_space_region_setup(acpi_handle handle, 195 u32 function, 196 void *handler_context, void **region_context); 197 198 acpi_status 199 acpi_ev_pci_config_region_setup(acpi_handle handle, 200 u32 function, 201 void *handler_context, void **region_context); 202 203 acpi_status 204 acpi_ev_cmos_region_setup(acpi_handle handle, 205 u32 function, 206 void *handler_context, void **region_context); 207 208 acpi_status 209 acpi_ev_pci_bar_region_setup(acpi_handle handle, 210 u32 function, 211 void *handler_context, void **region_context); 212 213 acpi_status 214 acpi_ev_default_region_setup(acpi_handle handle, 215 u32 function, 216 void *handler_context, void **region_context); 217 218 acpi_status 219 acpi_ev_initialize_region(union acpi_operand_object *region_obj, 220 u8 acpi_ns_locked); 221 222 /* 223 * evsci - SCI (System Control Interrupt) handling/dispatch 224 */ 225 u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context); 226 227 u32 acpi_ev_install_sci_handler(void); 228 229 acpi_status acpi_ev_remove_sci_handler(void); 230 231 u32 acpi_ev_initialize_sCI(u32 program_sCI); 232 233 void acpi_ev_terminate(void); 234 235 #endif /* __ACEVENTS_H__ */ 236