FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/mc146818var.h

     /*      $NetBSD: mc146818var.h,v 1.4 2005/12/11 12:21:27 christos Exp $ */
     
     /*
      * 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.
     * 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.
     */
    
    struct mc146818_softc {
            struct device sc_dev;
    
            bus_space_tag_t sc_bst;                 /* bus space tag */
            bus_space_handle_t sc_bsh;              /* bus space handle */
    
            struct todr_chip_handle sc_handle;      /* TODR handle */
            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)(struct mc146818_softc *, u_int);
            void (*sc_mcwrite)(struct mc146818_softc *, u_int, u_int);
            /* MD century get/set functions */
            u_int (*sc_getcent)(struct mc146818_softc *);
            void (*sc_setcent)(struct mc146818_softc *, u_int);
    };
    
    void mc146818_attach(struct mc146818_softc *);

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