diff options
Diffstat (limited to 'drivers/acpi/acpica/acevents.h')
| -rw-r--r-- | drivers/acpi/acpica/acevents.h | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h new file mode 100644 index 000000000..79f292687 --- /dev/null +++ b/drivers/acpi/acpica/acevents.h @@ -0,0 +1,247 @@ +/* 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__ */ |