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); 60