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/*-
* Copyright (c) 2003 Izumi Tsutsui. 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.
*
* 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.
*
* $NetBSD: mc146818var.h,v 1.7 2008/05/14 13:29:29 tsutsui Exp $
*
* $FreeBSD: release/9.1.0/sys/dev/mc146818/mc146818var.h 201009 2009-12-25 22:58:43Z marius $
*/
struct mc146818_softc {
bus_space_tag_t sc_bst; /* bus space tag */
bus_space_handle_t sc_bsh; /* bus space handle */
struct mtx sc_mtx; /* hardware mutex */
u_char sc_rega; /* register A */
u_char sc_regb; /* register B */
u_int sc_year0; /* year counter offset */
u_int sc_flag; /* MD flags */
#define MC146818_NO_CENT_ADJUST 0x0001 /* don't adjust century */
#define MC146818_BCD 0x0002 /* use BCD mode */
#define MC146818_12HR 0x0004 /* use AM/PM mode */
/* MD chip register read/write functions */
u_int (*sc_mcread)(device_t dev, u_int reg);
void (*sc_mcwrite)(device_t dev, u_int reg, u_int val);
/* MD century get/set functions */
u_int (*sc_getcent)(device_t dev);
void (*sc_setcent)(device_t dev, u_int cent);
};
/* Default read/write functions */
u_int mc146818_def_read(device_t dev, u_int reg);
void mc146818_def_write(device_t dev, u_int reg, u_int val);
/* Chip attach function */
int mc146818_attach(device_t);
/* Methods for the clock interface */
#ifdef notyet
int mc146818_getsecs(device_t dev, int *secp);
#endif
int mc146818_gettime(device_t dev, struct timespec *ts);
int mc146818_settime(device_t dev, struct timespec *ts);