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![Bob Moore](/assets/img/avatar_default.png)
These address spaces are defined by the ACPI spec to be "always available", and thus _REG should never be run on them. Provides compatibility with other ACPI implementations. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
246 lines
6.8 KiB
C
246 lines
6.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
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/******************************************************************************
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*
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* Name: acevents.h - Event subcomponent prototypes and defines
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*
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* Copyright (C) 2000 - 2018, Intel Corp.
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*
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*****************************************************************************/
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#ifndef __ACEVENTS_H__
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#define __ACEVENTS_H__
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/*
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* Conditions to trigger post enabling GPE polling:
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* It is not sufficient to trigger edge-triggered GPE with specific GPE
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* chips, software need to poll once after enabling.
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*/
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#ifdef ACPI_USE_GPE_POLLING
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#define ACPI_GPE_IS_POLLING_NEEDED(__gpe__) \
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((__gpe__)->runtime_count == 1 && \
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(__gpe__)->flags & ACPI_GPE_INITIALIZED && \
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((__gpe__)->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_EDGE_TRIGGERED)
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#else
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#define ACPI_GPE_IS_POLLING_NEEDED(__gpe__) FALSE
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#endif
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/*
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* evevent
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*/
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acpi_status acpi_ev_initialize_events(void);
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acpi_status acpi_ev_install_xrupt_handlers(void);
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u32 acpi_ev_fixed_event_detect(void);
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/*
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* evmisc
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*/
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u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node);
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u32 acpi_ev_get_gpe_number_index(u32 gpe_number);
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acpi_status
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acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
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u32 notify_value);
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/*
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* evglock - Global Lock support
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*/
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acpi_status acpi_ev_init_global_lock_handler(void);
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ACPI_HW_DEPENDENT_RETURN_OK(acpi_status
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acpi_ev_acquire_global_lock(u16 timeout))
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ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_release_global_lock(void))
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acpi_status acpi_ev_remove_global_lock_handler(void);
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/*
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* evgpe - Low-level GPE support
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*/
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u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
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acpi_status
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acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info);
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acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info);
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acpi_status
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acpi_ev_mask_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 is_masked);
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acpi_status
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acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info);
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acpi_status
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acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info);
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struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
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u32 gpe_number);
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struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number,
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struct acpi_gpe_block_info
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*gpe_block);
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acpi_status acpi_ev_finish_gpe(struct acpi_gpe_event_info *gpe_event_info);
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u32
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acpi_ev_detect_gpe(struct acpi_namespace_node *gpe_device,
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struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number);
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/*
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* evgpeblk - Upper-level GPE block support
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*/
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acpi_status
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acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
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u64 address,
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u8 space_id,
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u32 register_count,
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u16 gpe_block_base_number,
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u32 interrupt_number,
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struct acpi_gpe_block_info **return_gpe_block);
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acpi_status
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acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
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struct acpi_gpe_block_info *gpe_block,
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void *context);
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ACPI_HW_DEPENDENT_RETURN_OK(acpi_status
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acpi_ev_delete_gpe_block(struct acpi_gpe_block_info
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*gpe_block))
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u32
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acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
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struct acpi_gpe_event_info *gpe_event_info,
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u32 gpe_number);
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/*
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* evgpeinit - GPE initialization and update
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*/
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acpi_status acpi_ev_gpe_initialize(void);
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ACPI_HW_DEPENDENT_RETURN_VOID(void
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acpi_ev_update_gpes(acpi_owner_id table_owner_id))
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acpi_status
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acpi_ev_match_gpe_method(acpi_handle obj_handle,
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u32 level, void *context, void **return_value);
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/*
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* evgpeutil - GPE utilities
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*/
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acpi_status
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acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context);
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acpi_status
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acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
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struct acpi_gpe_block_info *gpe_block, void *context);
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acpi_status
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acpi_ev_get_gpe_xrupt_block(u32 interrupt_number,
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struct acpi_gpe_xrupt_info **gpe_xrupt_block);
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acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt);
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acpi_status
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acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
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struct acpi_gpe_block_info *gpe_block,
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void *context);
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/*
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* evhandler - Address space handling
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*/
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union acpi_operand_object *acpi_ev_find_region_handler(acpi_adr_space_type
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space_id,
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union acpi_operand_object
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*handler_obj);
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u8
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acpi_ev_has_default_handler(struct acpi_namespace_node *node,
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acpi_adr_space_type space_id);
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acpi_status acpi_ev_install_region_handlers(void);
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acpi_status
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acpi_ev_install_space_handler(struct acpi_namespace_node *node,
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acpi_adr_space_type space_id,
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acpi_adr_space_handler handler,
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acpi_adr_space_setup setup, void *context);
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/*
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* evregion - Operation region support
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*/
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acpi_status acpi_ev_initialize_op_regions(void);
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acpi_status
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acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
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union acpi_operand_object *field_obj,
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u32 function,
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u32 region_offset, u32 bit_width, u64 *value);
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acpi_status
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acpi_ev_attach_region(union acpi_operand_object *handler_obj,
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union acpi_operand_object *region_obj,
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u8 acpi_ns_is_locked);
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void
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acpi_ev_detach_region(union acpi_operand_object *region_obj,
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u8 acpi_ns_is_locked);
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void
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acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
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acpi_adr_space_type space_id, u32 function);
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acpi_status
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acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function);
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/*
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* evregini - Region initialization and setup
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*/
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acpi_status
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acpi_ev_system_memory_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context,
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void **region_context);
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acpi_status
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acpi_ev_io_space_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context, void **region_context);
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acpi_status
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acpi_ev_pci_config_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context, void **region_context);
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acpi_status
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acpi_ev_cmos_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context, void **region_context);
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acpi_status
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acpi_ev_pci_bar_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context, void **region_context);
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acpi_status
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acpi_ev_default_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context, void **region_context);
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acpi_status acpi_ev_initialize_region(union acpi_operand_object *region_obj);
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u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node);
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/*
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* evsci - SCI (System Control Interrupt) handling/dispatch
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*/
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u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context);
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u32 acpi_ev_sci_dispatch(void);
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u32 acpi_ev_install_sci_handler(void);
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acpi_status acpi_ev_remove_all_sci_handlers(void);
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ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void))
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#endif /* __ACEVENTS_H__ */
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