/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /****************************************************************************** * * Name: achware.h -- hardware specific interfaces * * Copyright (C) 2000 - 2021, Intel Corp. * *****************************************************************************/ #ifndef __ACHWARE_H__ #define __ACHWARE_H__ /* Values for the _SST predefined method */ #define ACPI_SST_INDICATOR_OFF 0 #define ACPI_SST_WORKING 1 #define ACPI_SST_WAKING 2 #define ACPI_SST_SLEEPING 3 #define ACPI_SST_SLEEP_CONTEXT 4 /* * hwacpi - high level functions */ acpi_status acpi_hw_set_mode(u32 mode); u32 acpi_hw_get_mode(void); /* * hwregs - ACPI Register I/O */ acpi_status acpi_hw_validate_register(struct acpi_generic_address *reg, u8 max_bit_width, u64 *address); acpi_status acpi_hw_read(u64 *value, struct acpi_generic_address *reg); acpi_status acpi_hw_write(u64 value, struct acpi_generic_address *reg); struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id); acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control); acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value); acpi_status acpi_hw_register_write(u32 register_id, u32 value); acpi_status acpi_hw_clear_acpi_status(void); /* * hwsleep - sleep/wake support (Legacy sleep registers) */ acpi_status acpi_hw_legacy_sleep(u8 sleep_state); acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state); acpi_status acpi_hw_legacy_wake(u8 sleep_state); /* * hwesleep - sleep/wake support (Extended FADT-V5 sleep registers) */ void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument); acpi_status acpi_hw_extended_sleep(u8 sleep_state); acpi_status acpi_hw_extended_wake_prep(u8 sleep_state); acpi_status acpi_hw_extended_wake(u8 sleep_state); /* * hwvalid - Port I/O with validation */ acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width); acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width); acpi_status acpi_hw_validate_io_block(u64 address, u32 bit_width, u32 count); /* * hwgpe - GPE support */ acpi_status acpi_hw_gpe_read(u64 *value, struct acpi_gpe_address *reg); acpi_status acpi_hw_gpe_write(u64 value, struct acpi_gpe_address *reg); u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info); acpi_status acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action); acpi_status acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block, void *context); acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info); acpi_status acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block, void *context); acpi_status acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, acpi_event_status *event_status); acpi_status acpi_hw_enable_all_runtime_gpes(void); acpi_status acpi_hw_enable_all_wakeup_gpes(void); u8 acpi_hw_check_all_gpes(acpi_handle gpe_skip_device, u32 gpe_skip_number); acpi_status acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block, void *context); #ifdef ACPI_PCI_CONFIGURED /* * hwpci - PCI configuration support */ acpi_status acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, acpi_handle root_pci_device, acpi_handle pci_region); #else static inline acpi_status acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, acpi_handle root_pci_device, acpi_handle pci_region) { return AE_SUPPORT; } #endif #endif /* __ACHWARE_H__ */