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      1 /*	$NetBSD: rs5c313var.h,v 1.3 2010/04/06 15:29:19 nonaka 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 	enum {
     48 		MODEL_5C313 = 0,
     49 		MODEL_5C316,
     50 		MODEL_NUM
     51 	} sc_model;
     52 
     53 	int sc_ctrl[2];		/* ctrl registers */
     54 };
     55 
     56 struct rs5c313_ops {
     57 	void (*rs5c313_op_begin)(struct rs5c313_softc *);
     58 
     59 	/* CE pin */
     60 	void (*rs5c313_op_ce)(struct rs5c313_softc *, int);
     61 
     62 	/* SCLK pin */
     63 	void (*rs5c313_op_clk)(struct rs5c313_softc *, int);
     64 
     65 	/* SIO pin */
     66 	void (*rs5c313_op_dir)(struct rs5c313_softc *, int);
     67 	int  (*rs5c313_op_read)(struct rs5c313_softc *);
     68 	void (*rs5c313_op_write)(struct rs5c313_softc *, int);
     69 };
     70 
     71 void rs5c313_attach(struct rs5c313_softc *);
     72 
     73 #endif	/* _DEV_IC_RS5C313VAR_H_ */
     74