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 */
26 struct 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
36 extern void s3c_pm_do_save(struct sleep_save *ptr, int count);
37 extern void s3c_pm_do_restore(const struct sleep_save *ptr, int count);
38 extern void s3c_pm_do_restore_core(const struct sleep_save *ptr, int count);
39
40 #endif
41
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