FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/mm58167var.h

     /*      $NetBSD: mm58167var.h,v 1.1 2001/04/10 12:50:18 fredette Exp $  */
     
     /*-
      * Copyright (c) 2001 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Matthew Fredette.
      *
     * 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. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``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 FOUNDATION OR CONTRIBUTORS
     * 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.
     */
    
    #ifndef _MM58167VAR_H
    #define _MM58167VAR_H
    
    /*
     * Driver support for the National Semiconductor MM58167
     * time-of-day chip.  See
     * http://www.national.com/ds/MM/MM58167B.pdf for data sheets.
     */
    
    struct mm58167_softc {
            struct device   mm58167_dev;
    
            /* Pointers to bus_space */
            bus_space_tag_t         mm58167_regt;
            bus_space_handle_t      mm58167_regh;
    
            /*
             * Pointers to MM58167 registers.  All of these values are in
             * BCD. 
             */
      
            /*
             * The most significant digit of this first value is the
             * milliseconds unit; least significant digit is undefined: 
             */
            bus_size_t      mm58167_msec_xxx;
            /* both digits of this value make up centiseconds: */
            bus_size_t      mm58167_csec;
            bus_size_t      mm58167_sec;
            bus_size_t      mm58167_min;
            bus_size_t      mm58167_hour;
            bus_size_t      mm58167_wday;
            bus_size_t      mm58167_day;
            bus_size_t      mm58167_mon;
    
            /*
             * The MM58167 has compare latches that line up with the
             * above, interrupt registers, etc., but we don't use them, so
             * we don't mention them here.  
             */
            bus_size_t      mm58167_status;         /* bad counter read status */
            bus_size_t      mm58167_go;             /* GO - start at integral seconds */
    
            /*
             * We keep a TODR handle in the softc to save
             * us from having to allocate it ourselves.
             * However, only mm58167.c should know this.
             */
            struct todr_chip_handle _mm58167_todr_handle;
    };
    
    todr_chip_handle_t mm58167_attach __P((struct mm58167_softc *));
    
    #endif  /* _MM58167VAR_H */

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