sys/dev/ic/rs5c313var.h

   1 /*      $NetBSD: rs5c313var.h,v 1.1 2006/09/07 01:12:00 uwe Exp $       */
   2
   3 /*
   4  * Copyright (c) 2006 Valeriy E. Ushakov
   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. The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifndef _DEV_IC_RS5C313VAR_H_
  31 #define _DEV_IC_RS5C313VAR_H_
  32
  33 /*
  34  * RICOH RS5C313 Real Time Clock
  35  */
  36
  37 struct rs5c313_ops;
  38
  39 struct rs5c313_softc {
  40         device_t sc_dev;
  41
  42         struct todr_chip_handle sc_todr;
  43         struct rs5c313_ops *sc_ops;
  44
  45         int sc_valid;           /* oscillation halt sensing on init */
  46 };
  47
  48 struct rs5c313_ops {
  49         void (*rs5c313_op_begin)(struct rs5c313_softc *);
  50
  51         /* CE pin */
  52         void (*rs5c313_op_ce)(struct rs5c313_softc *, int);
  53
  54         /* SCLK pin */
  55         void (*rs5c313_op_clk)(struct rs5c313_softc *, int);
  56
  57         /* SIO pin */
  58         void (*rs5c313_op_dir)(struct rs5c313_softc *, int);
  59         int  (*rs5c313_op_read)(struct rs5c313_softc *);
  60         void (*rs5c313_op_write)(struct rs5c313_softc *, int);
  61 };
  62
  63 void rs5c313_attach(struct rs5c313_softc *);
  64
  65 #endif  /* _DEV_IC_RS5C313VAR_H_ */