1 /* $OpenBSD: mii_bitbang.h,v 1.3 2008/06/26 05:42:16 ray 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 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #define MII_BIT_MDO 0 /* data out (host->PHY) */ 35 #define MII_BIT_MDI 1 /* data in (PHY->host) */ 36 #define MII_BIT_MDC 2 /* clock */ 37 #define MII_BIT_DIR_HOST_PHY 3 /* set direction: host->PHY */ 38 #define MII_BIT_DIR_PHY_HOST 4 /* set direction: PHY->host */ 39 #define MII_NBITS 5 40 41 struct mii_bitbang_ops { 42 u_int32_t (*mbo_read)(struct device *); 43 void (*mbo_write)(struct device *, u_int32_t); 44 u_int32_t mbo_bits[MII_NBITS]; 45 }; 46 47 typedef const struct mii_bitbang_ops *mii_bitbang_ops_t; 48 49 int mii_bitbang_readreg(struct device *, mii_bitbang_ops_t, 50 int, int); 51 void mii_bitbang_writereg(struct device *, mii_bitbang_ops_t, 52 int, int, int); 53