50 lines
2.2 KiB
C
50 lines
2.2 KiB
C
/* $NetBSD: mii_bitbang.h,v 1.7 2019/01/22 03:42:27 msaitoh 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.
|
|
*/
|
|
|
|
#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, mii_bitbang_ops_t, int, int, uint16_t *);
|
|
int mii_bitbang_writereg(device_t, mii_bitbang_ops_t, int, int, uint16_t);
|