1/*
2 * adapted/extracted from omap_wdt.c
3 *
4 * Copyright (c) 2007 Microsoft
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by Microsoft
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
20 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT,
23 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31#ifndef  _OMAP_WDTVAR_H
32#define  _OMAP_WDTVAR_H
33
34#include <sys/device.h>
35#include <sys/bus.h>
36#include <dev/sysmon/sysmonvar.h>
37
38#define	OMAPWDT32K_DEFAULT_PERIOD	4		/* in seconds */
39
40struct omapwdt32k_softc {
41	device_t sc_dev;
42	bus_space_tag_t sc_iot;
43	bus_space_handle_t sc_ioh;
44	struct sysmon_wdog sc_smw;
45	int sc_armed;
46};
47
48extern struct omapwdt32k_softc *omapwdt32k_sc;
49extern int omapwdt_sysconfig;
50
51int	omapwdt32k_setmode(struct sysmon_wdog *);
52int	omapwdt32k_tickle(struct sysmon_wdog *);
53
54void	omapwdt32k_set_timeout(unsigned int period);
55int	omapwdt32k_enable(int enable);
56void	omapwdt32k_reboot(void);
57
58#endif  /* _OMAP_WDTVAR_H */
59