/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /****************************************************************************** * * Name: acevents.h - Event subcomponent prototypes and defines * * Copyright (C) 2000 - 2018, Intel Corp. * *****************************************************************************/ #ifndef __ACEVENTS_H__ #define __ACEVENTS_H__ /* * Conditions to trigger post enabling GPE polling: * It is not sufficient to trigger edge-triggered GPE with specific GPE * chips, software need to poll once after enabling. */ #ifdef ACPI_USE_GPE_POLLING #define ACPI_GPE_IS_POLLING_NEEDED(__gpe__) \ ((__gpe__)->runtime_count == 1 && \ (__gpe__)->flags & ACPI_GPE_INITIALIZED && \ ((__gpe__)->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_EDGE_TRIGGERED) #else #define ACPI_GPE_IS_POLLING_NEEDED(__gpe__) FALSE #endif /* * evevent */ acpi_status acpi_ev_initialize_events(void); acpi_status acpi_ev_install_xrupt_handlers(void); u32 acpi_ev_fixed_event_detect(void); /* * evmisc */ u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node); u32 acpi_ev_get_gpe_number_index(u32 gpe_number); acpi_status acpi_ev_queue_notify_request(struct acpi_namespace_node *node, u32 notify_value); /* * evglock - Global Lock support */ acpi_status acpi_ev_init_global_lock_handler(void); ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_acquire_global_lock(u16 timeout)) ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_release_global_lock(void)) acpi_status acpi_ev_remove_global_lock_handler(void); /* * evgpe - Low-level GPE support */ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list); acpi_status acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info); acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info); acpi_status acpi_ev_mask_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 is_masked); acpi_status acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info, u8 clear_on_enable); acpi_status acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info); struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device, u32 gpe_number); struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number, struct acpi_gpe_block_info *gpe_block); acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info); u32 acpi_ev_detect_gpe(struct acpi_namespace_node *gpe_device, struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number); /* * evgpeblk - Upper-level GPE block support */ acpi_status acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device, u64 address, u8 space_id, u32 register_count, u16 gpe_block_base_number, u32 interrupt_number, struct acpi_gpe_block_info **return_gpe_block); acpi_status acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block, void *context); ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)) u32 acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device, struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number); /* * evgpeinit - GPE initialization and update */ acpi_status acpi_ev_gpe_initialize(void); ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_update_gpes(acpi_owner_id table_owner_id)) acpi_status acpi_ev_match_gpe_method(acpi_handle obj_handle, u32 level, void *context, void **return_value); /* * evgpeutil - GPE utilities */ acpi_status acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context); acpi_status acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block, void *context); acpi_status acpi_ev_get_gpe_xrupt_block(u32 interrupt_number, struct acpi_gpe_xrupt_info **gpe_xrupt_block); acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt); acpi_status acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block, void *context); /* * evhandler - Address space handling */ union acpi_operand_object *acpi_ev_find_region_handler(acpi_adr_space_type space_id, union acpi_operand_object *handler_obj); u8 acpi_ev_has_default_handler(struct acpi_namespace_node *node, acpi_adr_space_type space_id); acpi_status acpi_ev_install_region_handlers(void); acpi_status acpi_ev_install_space_handler(struct acpi_namespace_node *node, acpi_adr_space_type space_id, acpi_adr_space_handler handler, acpi_adr_space_setup setup, void *context); /* * evregion - Operation region support */ acpi_status acpi_ev_initialize_op_regions(void); acpi_status acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, union acpi_operand_object *field_obj, u32 function, u32 region_offset, u32 bit_width, u64 *value); acpi_status acpi_ev_attach_region(union acpi_operand_object *handler_obj, union acpi_operand_object *region_obj, u8 acpi_ns_is_locked); void acpi_ev_detach_region(union acpi_operand_object *region_obj, u8 acpi_ns_is_locked); void acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, acpi_adr_space_type space_id, u32 function); acpi_status acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function); /* * evregini - Region initialization and setup */ acpi_status acpi_ev_system_memory_region_setup(acpi_handle handle, u32 function, void *handler_context, void **region_context); acpi_status acpi_ev_io_space_region_setup(acpi_handle handle, u32 function, void *handler_context, void **region_context); acpi_status acpi_ev_pci_config_region_setup(acpi_handle handle, u32 function, void *handler_context, void **region_context); acpi_status acpi_ev_cmos_region_setup(acpi_handle handle, u32 function, void *handler_context, void **region_context); acpi_status acpi_ev_pci_bar_region_setup(acpi_handle handle, u32 function, void *handler_context, void **region_context); acpi_status acpi_ev_default_region_setup(acpi_handle handle, u32 function, void *handler_context, void **region_context); acpi_status acpi_ev_initialize_region(union acpi_operand_object *region_obj); /* * evsci - SCI (System Control Interrupt) handling/dispatch */ u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context); u32 acpi_ev_sci_dispatch(void); u32 acpi_ev_install_sci_handler(void); acpi_status acpi_ev_remove_all_sci_handlers(void); ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void)) #endif /* __ACEVENTS_H__ */