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/* $OpenBSD: mii_bitbang.h,v 1.3 2008/06/26 05:42:16 ray Exp $ */
/* $NetBSD$ */
/*-
* 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.
*/
#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 {
u_int32_t (*mbo_read)(struct device *);
void (*mbo_write)(struct device *, u_int32_t);
u_int32_t mbo_bits[MII_NBITS];
};
typedef const struct mii_bitbang_ops *mii_bitbang_ops_t;
int mii_bitbang_readreg(struct device *, mii_bitbang_ops_t,
int, int);
void mii_bitbang_writereg(struct device *, mii_bitbang_ops_t,
int, int, int);
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