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/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/******************************************************************************
*
* Name: achware.h -- hardware specific interfaces
*
* Copyright (C) 2000 - 2020, 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);
/*
* hwgpe - GPE support
*/
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_disable_all_gpes(void);
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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