mc146818var.h

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    1 /*      $NetBSD: mc146818var.h,v 1.7 2008/05/14 13:29:29 tsutsui Exp $  */
    2 
    3 /*-
    4  * Copyright (c) 2003 Izumi Tsutsui.  All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  */
   26 
   27 struct mc146818_softc {
   28         device_t sc_dev;
   29 
   30         bus_space_tag_t sc_bst;                 /* bus space tag */
   31         bus_space_handle_t sc_bsh;              /* bus space handle */
   32 
   33         struct todr_chip_handle sc_handle;      /* TODR handle */
   34         u_int sc_year0;                         /* year counter offset */
   35         u_int sc_flag;                          /* MD flags */
   36 #define MC146818_NO_CENT_ADJUST 0x0001          /* don't adjust century */
   37 #define MC146818_BCD            0x0002          /* use BCD mode */
   38 #define MC146818_12HR           0x0004          /* use AM/PM mode */
   39 
   40         /* MD chip register read/write functions */
   41         u_int (*sc_mcread)(struct mc146818_softc *, u_int);
   42         void (*sc_mcwrite)(struct mc146818_softc *, u_int, u_int);
   43         /* MD century get/set functions */
   44         u_int (*sc_getcent)(struct mc146818_softc *);
   45         void (*sc_setcent)(struct mc146818_softc *, u_int);
   46 };
   47 
   48 void mc146818_attach(struct mc146818_softc *);

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

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