/* $NetBSD: mii_bitbang.h,v 1.6 2009/05/12 14:31:27 cegger Exp $ */ /*- * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #define MII_BIT_MDO 0 /* data out (host->PHY) */ #define MII_BIT_MDI 1 /* data in (PHY->host) */ #define MII_BIT_MDC 2 /* clock */ #define MII_BIT_DIR_HOST_PHY 3 /* set direction: host->PHY */ #define MII_BIT_DIR_PHY_HOST 4 /* set direction: PHY->host */ #define MII_NBITS 5 struct mii_bitbang_ops { uint32_t (*mbo_read)(device_t); void (*mbo_write)(device_t, uint32_t); uint32_t mbo_bits[MII_NBITS]; }; typedef const struct mii_bitbang_ops *mii_bitbang_ops_t; int mii_bitbang_readreg(device_t dev, mii_bitbang_ops_t ops, int phy, int reg); void mii_bitbang_sync(device_t dev, mii_bitbang_ops_t ops); void mii_bitbang_writereg(device_t dev, mii_bitbang_ops_t ops, int phy, int reg, int val); |