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Annotation of sys/dev/mii/mii_bitbang.h, Revision 1.1.1.1

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);