linux-imx

/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */

/******************************************************************************

 *

 * Name: achware.h -- hardware specific interfaces

 *

 * Copyright (C) 2000 - 2019, 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);