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- /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
- /******************************************************************************
- *
- * Name: achware.h -- hardware specific interfaces
- *
- * Copyright (C) 2000 - 2022, 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__ */
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