xref: /netbsd-src/sys/arch/arm/gemini/gemini_wdtvar.h (revision cf10107d5d3746e98e37d403b996f1965f67f255)
1 /*	$NetBSD: gemini_wdtvar.h,v 1.4 2011/07/01 19:32:28 dyoung Exp $	*/
2 
3 /*
4  * adapted/extracted from omap_wdt.c
5  *
6  * Copyright (c) 2007 Microsoft
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *	This product includes software developed by Microsoft
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT,
25  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 #ifndef  _ARM_GEMINI_WDTVAR_H
34 #define  _ARM_GEMINI_WDTVAR_H
35 
36 #include <sys/device.h>
37 #include <sys/bus.h>
38 #include <dev/sysmon/sysmonvar.h>
39 
40 typedef struct geminiwdt_softc {
41 	device_t sc_dev;
42 	bus_addr_t sc_addr;
43 	bus_size_t sc_size;
44 	bus_space_tag_t sc_iot;
45 	bus_space_handle_t sc_ioh;
46 	struct sysmon_wdog sc_smw;
47 	int sc_armed;
48 } geminiwdt_softc_t;
49 
50 extern struct geminiwdt_softc *geminiwdt_sc;
51 extern int omapwdt_sysconfig;
52 
53 int	geminiwdt_setmode(struct sysmon_wdog *);
54 int	geminiwdt_tickle(struct sysmon_wdog *);
55 
56 void	geminiwdt_set_timeout(unsigned int period);
57 int	geminiwdt_enable(int enable);
58 
59 #endif  /* _ARM_GEMINI_WDTVAR_H */
60