1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2013 Samsung Electronics Co., Ltd.
4 *	Tomasz Figa <t.figa@samsung.com>
5 * Copyright (c) 2004 Simtec Electronics
6 *	http://armlinux.simtec.co.uk/
7 *	Written by Ben Dooks, <ben@simtec.co.uk>
8 */
9
10#ifndef __PLAT_SAMSUNG_PM_COMMON_H
11#define __PLAT_SAMSUNG_PM_COMMON_H __FILE__
12
13#include <linux/irq.h>
14#include <linux/soc/samsung/s3c-pm.h>
15
16/* sleep save info */
17
18/**
19 * struct sleep_save - save information for shared peripherals.
20 * @reg: Pointer to the register to save.
21 * @val: Holder for the value saved from reg.
22 *
23 * This describes a list of registers which is used by the pm core and
24 * other subsystem to save and restore register values over suspend.
25 */
26struct sleep_save {
27	void __iomem	*reg;
28	unsigned long	val;
29};
30
31#define SAVE_ITEM(x) \
32	{ .reg = (x) }
33
34/* helper functions to save/restore lists of registers. */
35
36extern void s3c_pm_do_save(struct sleep_save *ptr, int count);
37extern void s3c_pm_do_restore(const struct sleep_save *ptr, int count);
38extern void s3c_pm_do_restore_core(const struct sleep_save *ptr, int count);
39
40#endif
41