1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (c), Vaisala Oyj
4 */
5
6#ifndef REBOOT_MODE_REBOOT_MODE_H__
7#define REBOOT_MODE_REBOOT_MODE_H__
8
9#include <asm/types.h>
10#include <dm/device.h>
11
12struct reboot_mode_mode {
13	const char *mode_name;
14	u32 mode_id;
15};
16
17struct reboot_mode_uclass_platdata {
18	struct reboot_mode_mode *modes;
19	u8 count;
20	const char *env_variable;
21};
22
23struct reboot_mode_ops {
24	/**
25	 * get() - get the current reboot mode value
26	 *
27	 * Returns the current value from the reboot mode backing store.
28	 *
29	 * @dev:	Device to read from
30	 * @rebootmode:	Address to save the current reboot mode value
31	 */
32	int (*get)(struct udevice *dev, u32 *rebootmode);
33
34	/**
35	 * set() - set a reboot mode value
36	 *
37	 * Sets the value in the reboot mode backing store.
38	 *
39	 * @dev:	Device to read from
40	 * @rebootmode:	New reboot mode value to store
41	 */
42	int (*set)(struct udevice *dev, u32 rebootmode);
43};
44
45/* Access the operations for a reboot mode device */
46#define reboot_mode_get_ops(dev) ((struct reboot_mode_ops *)(dev)->driver->ops)
47
48/**
49 * dm_reboot_mode_update() - Update the reboot mode env variable.
50 *
51 * @dev:	Device to read from
52 * Return: 0 if OK, -ve on error
53 */
54int dm_reboot_mode_update(struct udevice *dev);
55
56#endif /* REBOOT_MODE_REBOOT_MODE_H__ */
57