/* $NetBSD: rs5c313var.h,v 1.3 2010/04/06 15:29:19 nonaka Exp $ */

/* $NetBSD: rs5c313var.h,v 1.3 2010/04/06 15:29:19 nonaka Exp $ */

/*
* Copyright (c) 2006 Valeriy E. Ushakov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _DEV_IC_RS5C313VAR_H_
#define _DEV_IC_RS5C313VAR_H_

/*
* RICOH RS5C313 Real Time Clock
*/

struct rs5c313_ops;

struct rs5c313_softc {
device_t sc_dev;

struct todr_chip_handle sc_todr;
struct rs5c313_ops *sc_ops;

int sc_valid; /* oscillation halt sensing on init */

enum {
MODEL_5C313 = 0,
MODEL_5C316,
MODEL_NUM
} sc_model;

int sc_ctrl[2]; /* ctrl registers */
};

struct rs5c313_ops {
void (*rs5c313_op_begin)(struct rs5c313_softc *);

/* CE pin */
void (*rs5c313_op_ce)(struct rs5c313_softc *, int);

/* SCLK pin */
void (*rs5c313_op_clk)(struct rs5c313_softc *, int);

/* SIO pin */
void (*rs5c313_op_dir)(struct rs5c313_softc *, int);
int (*rs5c313_op_read)(struct rs5c313_softc *);
void (*rs5c313_op_write)(struct rs5c313_softc *, int);
};

void rs5c313_attach(struct rs5c313_softc *);

#endif /* _DEV_IC_RS5C313VAR_H_ */