1219019Sgabor/* $NetBSD: mc146818var.h,v 1.8 2024/03/06 02:31:44 thorpej Exp $ */ 2219019Sgabor 3219019Sgabor/*- 4219019Sgabor * Copyright (c) 2003 Izumi Tsutsui. All rights reserved. 5219019Sgabor * 6219019Sgabor * Redistribution and use in source and binary forms, with or without 7219019Sgabor * modification, are permitted provided that the following conditions 8219019Sgabor * are met: 9219019Sgabor * 1. Redistributions of source code must retain the above copyright 10219019Sgabor * notice, this list of conditions and the following disclaimer. 11219019Sgabor * 2. Redistributions in binary form must reproduce the above copyright 12219019Sgabor * notice, this list of conditions and the following disclaimer in the 13219019Sgabor * documentation and/or other materials provided with the distribution. 14219019Sgabor * 15219019Sgabor * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16219019Sgabor * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17219019Sgabor * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18219019Sgabor * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19219019Sgabor * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20219019Sgabor * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21219019Sgabor * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22219019Sgabor * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23219019Sgabor * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24219019Sgabor * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25219019Sgabor */ 26219019Sgabor 27219019Sgabor#ifndef _DEV_IC_MC146818VAR_H_ 28219019Sgabor#define _DEV_IC_MC146818VAR_H_ 29219019Sgabor 30219019Sgaborstruct mc146818_softc { 31219019Sgabor device_t sc_dev; 32219019Sgabor 33219019Sgabor bus_space_tag_t sc_bst; /* bus space tag */ 34219019Sgabor bus_space_handle_t sc_bsh; /* bus space handle */ 35219019Sgabor 36219019Sgabor struct todr_chip_handle sc_handle; /* TODR handle */ 37219019Sgabor u_int sc_year0; /* year counter offset */ 38219019Sgabor u_int sc_flag; /* MD flags */ 39219019Sgabor#define MC146818_NO_CENT_ADJUST 0x0001 /* don't adjust century */ 40219019Sgabor#define MC146818_BCD 0x0002 /* use BCD mode */ 41219019Sgabor#define MC146818_12HR 0x0004 /* use AM/PM mode */ 42219019Sgabor 43219019Sgabor /* MD chip register read/write functions */ 44219019Sgabor u_int (*sc_mcread)(struct mc146818_softc *, u_int); 45219019Sgabor void (*sc_mcwrite)(struct mc146818_softc *, u_int, u_int); 46219019Sgabor /* MD century get/set functions */ 47219019Sgabor u_int (*sc_getcent)(struct mc146818_softc *); 48219019Sgabor void (*sc_setcent)(struct mc146818_softc *, u_int); 49219019Sgabor}; 50219019Sgabor 51219019Sgaborvoid mc146818_attach(struct mc146818_softc *); 52219019Sgaborint mc146818_gettime_ymdhms(todr_chip_handle_t, struct clock_ymdhms *); 53219019Sgaborint mc146818_settime_ymdhms(todr_chip_handle_t, struct clock_ymdhms *); 54219019Sgabor 55219019Sgabor#endif /* _DEV_IC_MC146818VAR_H_ */ 56219019Sgabor