mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 09:48:16 +00:00
42 lines
1 KiB
C
42 lines
1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0+ */
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __ASM_ACPI_H__
|
||
|
|
#define __ASM_ACPI_H__
|
||
|
|
|
||
|
|
struct acpi_fadt;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* acpi_find_fadt() - find ACPI FADT table in the system memory
|
||
|
|
*
|
||
|
|
* This routine parses the ACPI table to locate the ACPI FADT table.
|
||
|
|
*
|
||
|
|
* @return: a pointer to the ACPI FADT table in the system memory
|
||
|
|
*/
|
||
|
|
struct acpi_fadt *acpi_find_fadt(void);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* acpi_find_wakeup_vector() - find OS installed wake up vector address
|
||
|
|
*
|
||
|
|
* This routine parses the ACPI table to locate the wake up vector installed
|
||
|
|
* by the OS previously.
|
||
|
|
*
|
||
|
|
* @fadt: a pointer to the ACPI FADT table in the system memory
|
||
|
|
* @return: wake up vector address installed by the OS
|
||
|
|
*/
|
||
|
|
void *acpi_find_wakeup_vector(struct acpi_fadt *fadt);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* enter_acpi_mode() - enter into ACPI mode
|
||
|
|
*
|
||
|
|
* This programs the ACPI-defined PM1_CNT register to enable SCI interrupt
|
||
|
|
* so that the whole system swiches to ACPI mode.
|
||
|
|
*
|
||
|
|
* @pm1_cnt: PM1_CNT register I/O address
|
||
|
|
*/
|
||
|
|
void enter_acpi_mode(int pm1_cnt);
|
||
|
|
|
||
|
|
#endif /* __ASM_ACPI_H__ */
|