summaryrefslogtreecommitdiffstats
path: root/include/watchdog.h
blob: 184a218916f4ebf64841ac0fd02f758a2a58ea46 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef INCLUDE_WATCHDOG_H
# define INCLUDE_WATCHDOG_H

#include <poller.h>
#include <driver.h>

struct watchdog {
	int (*set_timeout)(struct watchdog *, unsigned);
	const char *name;
	struct device_d *hwdev;
	struct device_d dev;
	unsigned int priority;
	unsigned int timeout_max;
	unsigned int poller_timeout_cur;
	unsigned int poller_enable;
	struct poller_async poller;
	struct list_head list;
};

#ifdef CONFIG_WATCHDOG
int watchdog_register(struct watchdog *);
int watchdog_deregister(struct watchdog *);
struct watchdog *watchdog_get_default(void);
struct watchdog *watchdog_get_by_name(const char *name);
int watchdog_set_timeout(struct watchdog*, unsigned);
unsigned int of_get_watchdog_priority(struct device_node *node);
#else
static inline int watchdog_register(struct watchdog *w)
{
	return 0;
}

static inline int watchdog_deregister(struct watchdog *w)
{
	return 0;
}

static inline struct watchdog *watchdog_get_default(void)
{
	return NULL;
}

static inline struct watchdog *watchdog_get_by_name(const char *name)
{
	return NULL;
}

static inline int watchdog_set_timeout(struct watchdog*w, unsigned t)
{
	return 0;
}


static inline unsigned int of_get_watchdog_priority(struct device_node *node)
{
	return 0;
}
#endif

#define WATCHDOG_DEFAULT_PRIORITY 100

#endif /* INCLUDE_WATCHDOG_H */