1196239Simp/* $NetBSD: mii_bitbang.h,v 1.6 2009/05/12 14:31:27 cegger Exp $ */ 2196239Simp 3196239Simp/*- 4196239Simp * Copyright (c) 1999 The NetBSD Foundation, Inc. 5196239Simp * All rights reserved. 6196239Simp * 7196239Simp * This code is derived from software contributed to The NetBSD Foundation 8196239Simp * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9196239Simp * NASA Ames Research Center. 10196239Simp * 11196239Simp * Redistribution and use in source and binary forms, with or without 12196239Simp * modification, are permitted provided that the following conditions 13196239Simp * are met: 14196239Simp * 1. Redistributions of source code must retain the above copyright 15196239Simp * notice, this list of conditions and the following disclaimer. 16196239Simp * 2. Redistributions in binary form must reproduce the above copyright 17196239Simp * notice, this list of conditions and the following disclaimer in the 18196239Simp * documentation and/or other materials provided with the distribution. 19196239Simp * 20196239Simp * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21196239Simp * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22196239Simp * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23196239Simp * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24196239Simp * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25196239Simp * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26196239Simp * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27196239Simp * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28196239Simp * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29196239Simp * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30217612Sjmallett * POSSIBILITY OF SUCH DAMAGE. 31196239Simp * 32196239Simp * $FreeBSD$ 33196239Simp */ 34196239Simp 35196239Simp#define MII_BIT_MDO 0 /* data out (host->PHY) */ 36217655Simp#define MII_BIT_MDI 1 /* data in (PHY->host) */ 37196239Simp#define MII_BIT_MDC 2 /* clock */ 38196239Simp#define MII_BIT_DIR_HOST_PHY 3 /* set direction: host->PHY */ 39196239Simp#define MII_BIT_DIR_PHY_HOST 4 /* set direction: PHY->host */ 40197003Simp#define MII_NBITS 5 41196239Simp 42196239Simpstruct mii_bitbang_ops { 43196239Simp uint32_t (*mbo_read)(device_t); 44196239Simp void (*mbo_write)(device_t, uint32_t); 45196239Simp uint32_t mbo_bits[MII_NBITS]; 46196239Simp}; 47196239Simp 48196239Simptypedef const struct mii_bitbang_ops *mii_bitbang_ops_t; 49196239Simp 50196239Simpint mii_bitbang_readreg(device_t dev, mii_bitbang_ops_t ops, 51196239Simp int phy, int reg); 52196239Simpvoid mii_bitbang_sync(device_t dev, mii_bitbang_ops_t ops); 53196239Simpvoid mii_bitbang_writereg(device_t dev, mii_bitbang_ops_t ops, 54196239Simp int phy, int reg, int val); 55196239Simp