1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * (C) Copyright 2000
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 */
6
7#ifndef __BOOTRETRY_H
8#define __BOOTRETRY_H
9
10#ifdef CONFIG_BOOT_RETRY_TIME
11/**
12 * bootretry_tstc_timeout() - ensure we get a keypress before timeout
13 *
14 * Check for a keypress repeatedly, resetting the watchdog each time. If a
15 * keypress is not received within the command timeout, return an error.
16 *
17 * Return: 0 if a key is received in time, -ETIMEDOUT if not
18 */
19int bootretry_tstc_timeout(void);
20
21/**
22 * bootretry_init_cmd_timeout() - set up command timeout
23 *
24 * Get the required command timeout from the environment.
25 */
26void bootretry_init_cmd_timeout(void);
27
28/**
29 * bootretry_reset_cmd_timeout() - reset command timeout
30 *
31 * Reset the command timeout so that the user has a fresh start. This is
32 * typically used when input is received from the user.
33 */
34void bootretry_reset_cmd_timeout(void);
35
36/** bootretry_dont_retry() - Indicate that we should not retry the boot */
37void bootretry_dont_retry(void);
38#else
39static inline int bootretry_tstc_timeout(void)
40{
41	return 0;
42}
43
44static inline void bootretry_init_cmd_timeout(void)
45{
46}
47
48static inline void bootretry_reset_cmd_timeout(void)
49{
50}
51
52static inline void bootretry_dont_retry(void)
53{
54}
55
56#endif
57
58#endif
59