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/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
*
* Name: acevents.h - Event subcomponent prototypes and defines
*
* Copyright (C) 2000 - 2020, 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);
u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node);
/*
* 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__ */
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