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