134 lines
3.7 KiB
C
134 lines
3.7 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: achware.h -- hardware specific interfaces
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*
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* Copyright (C) 2000 - 2020, Intel Corp.
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*
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*****************************************************************************/
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#ifndef __ACHWARE_H__
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#define __ACHWARE_H__
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/* Values for the _SST predefined method */
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#define ACPI_SST_INDICATOR_OFF 0
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#define ACPI_SST_WORKING 1
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#define ACPI_SST_WAKING 2
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#define ACPI_SST_SLEEPING 3
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#define ACPI_SST_SLEEP_CONTEXT 4
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/*
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* hwacpi - high level functions
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*/
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acpi_status acpi_hw_set_mode(u32 mode);
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u32 acpi_hw_get_mode(void);
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/*
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* hwregs - ACPI Register I/O
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*/
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acpi_status
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acpi_hw_validate_register(struct acpi_generic_address *reg,
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u8 max_bit_width, u64 *address);
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acpi_status acpi_hw_read(u64 *value, struct acpi_generic_address *reg);
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acpi_status acpi_hw_write(u64 value, struct acpi_generic_address *reg);
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struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id);
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acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control);
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acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value);
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acpi_status acpi_hw_register_write(u32 register_id, u32 value);
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acpi_status acpi_hw_clear_acpi_status(void);
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/*
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* hwsleep - sleep/wake support (Legacy sleep registers)
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*/
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acpi_status acpi_hw_legacy_sleep(u8 sleep_state);
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acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state);
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acpi_status acpi_hw_legacy_wake(u8 sleep_state);
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/*
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* hwesleep - sleep/wake support (Extended FADT-V5 sleep registers)
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*/
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void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument);
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acpi_status acpi_hw_extended_sleep(u8 sleep_state);
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acpi_status acpi_hw_extended_wake_prep(u8 sleep_state);
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acpi_status acpi_hw_extended_wake(u8 sleep_state);
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/*
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* hwvalid - Port I/O with validation
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*/
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acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width);
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acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width);
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acpi_status acpi_hw_validate_io_block(u64 address, u32 bit_width, u32 count);
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/*
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* hwgpe - GPE support
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*/
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acpi_status acpi_hw_gpe_read(u64 *value, struct acpi_gpe_address *reg);
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acpi_status acpi_hw_gpe_write(u64 value, struct acpi_gpe_address *reg);
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u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info);
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acpi_status
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acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action);
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acpi_status
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acpi_hw_disable_gpe_block(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 acpi_hw_clear_gpe(struct acpi_gpe_event_info *gpe_event_info);
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acpi_status
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acpi_hw_clear_gpe_block(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_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info,
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acpi_event_status *event_status);
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acpi_status acpi_hw_disable_all_gpes(void);
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acpi_status acpi_hw_enable_all_runtime_gpes(void);
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acpi_status acpi_hw_enable_all_wakeup_gpes(void);
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u8 acpi_hw_check_all_gpes(acpi_handle gpe_skip_device, u32 gpe_skip_number);
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acpi_status
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acpi_hw_enable_runtime_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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#ifdef ACPI_PCI_CONFIGURED
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/*
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* hwpci - PCI configuration support
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*/
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acpi_status
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acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id,
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acpi_handle root_pci_device, acpi_handle pci_region);
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#else
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static inline acpi_status
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acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, acpi_handle root_pci_device,
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acpi_handle pci_region)
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{
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return AE_SUPPORT;
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}
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#endif
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#endif /* __ACHWARE_H__ */
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