sys/arch/arm/gemini/gemini_wdtvar.h

   1 /*      $NetBSD: gemini_wdtvar.h,v 1.2 2008/11/01 07:43:19 cliff 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 <machine/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 */