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Annotation of sys/dev/mii/mii_bitbang.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: mii_bitbang.h,v 1.2 2002/03/14 01:26:57 millert Exp $ */
        !             2: /*     $NetBSD$        */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 1999 The NetBSD Foundation, Inc.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to The NetBSD Foundation
        !             9:  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
        !            10:  * NASA Ames Research Center.
        !            11:  *
        !            12:  * Redistribution and use in source and binary forms, with or without
        !            13:  * modification, are permitted provided that the following conditions
        !            14:  * are met:
        !            15:  * 1. Redistributions of source code must retain the above copyright
        !            16:  *    notice, this list of conditions and the following disclaimer.
        !            17:  * 2. Redistributions in binary form must reproduce the above copyright
        !            18:  *    notice, this list of conditions and the following disclaimer in the
        !            19:  *    documentation and/or other materials provided with the distribution.
        !            20:  * 3. All advertising materials mentioning features or use of this software
        !            21:  *    must display the following acknowledgement:
        !            22:  *     This product includes software developed by the NetBSD
        !            23:  *     Foundation, Inc. and its contributors.
        !            24:  * 4. Neither the name of The NetBSD Foundation nor the names of its
        !            25:  *    contributors may be used to endorse or promote products derived
        !            26:  *    from this software without specific prior written permission.
        !            27:  *
        !            28:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
        !            29:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            30:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
        !            31:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
        !            32:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        !            33:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        !            34:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        !            35:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        !            36:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        !            37:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            38:  * POSSIBILITY OF SUCH DAMAGE.
        !            39:  */
        !            40:
        !            41: #define        MII_BIT_MDO             0       /* data out (host->PHY) */
        !            42: #define        MII_BIT_MDI             1       /* data in (PHY->host) */
        !            43: #define        MII_BIT_MDC             2       /* clock */
        !            44: #define        MII_BIT_DIR_HOST_PHY    3       /* set direction: host->PHY */
        !            45: #define        MII_BIT_DIR_PHY_HOST    4       /* set direction: PHY->host */
        !            46: #define        MII_NBITS               5
        !            47:
        !            48: struct mii_bitbang_ops {
        !            49:        u_int32_t       (*mbo_read)(struct device *);
        !            50:        void            (*mbo_write)(struct device *, u_int32_t);
        !            51:        u_int32_t       mbo_bits[MII_NBITS];
        !            52: };
        !            53:
        !            54: typedef        const struct mii_bitbang_ops *mii_bitbang_ops_t;
        !            55:
        !            56: int    mii_bitbang_readreg(struct device *, mii_bitbang_ops_t,
        !            57:            int, int);
        !            58: void   mii_bitbang_writereg(struct device *, mii_bitbang_ops_t,
        !            59:            int, int, int);