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