FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/mk48txxvar.h

     /*      $NetBSD: mk48txxvar.h,v 1.1 2003/11/01 22:41:42 tsutsui Exp $ */
     /*-
      * Copyright (c) 2000 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Paul Kranenburg.
      *
      * 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.
     */
    
    struct mk48txx_softc;
    
    typedef u_int8_t (*mk48txx_nvrd_t)(struct mk48txx_softc *, int);
    typedef void (*mk48txx_nvwr_t)(struct mk48txx_softc *, int, u_int8_t);
    
    struct mk48txx_softc {
            struct device   sc_dev;
    
            bus_space_tag_t sc_bst;         /* bus tag & handle */
            bus_space_handle_t sc_bsh;      /* */
    
            struct todr_chip_handle sc_handle; /* TODR handle */
            const char      *sc_model;      /* chip model name */
            bus_size_t      sc_nvramsz;     /* Size of NVRAM on the chip */
            bus_size_t      sc_clkoffset;   /* Offset in NVRAM to clock bits */
            u_int           sc_year0;       /* What year is represented on
                                               the system by the chip's year
                                               counter at 0 */
            u_int           sc_flag;
    #define MK48TXX_NO_CENT_ADJUST  0x0001
    
            mk48txx_nvrd_t  sc_nvrd;        /* NVRAM/RTC read function */
            mk48txx_nvwr_t  sc_nvwr;        /* NVRAM/RTC write function */
    };
    
    /* Chip attach function */
    void mk48txx_attach(struct mk48txx_softc *);
    
    /* Retrieve size of the on-chip NVRAM area */
    int     mk48txx_get_nvram_size(todr_chip_handle_t, bus_size_t *);

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