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