1 /* $OpenBSD: mii_bitbang.h,v 1.2 2002/03/14 01:26:57 millert 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 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the NetBSD
23 * Foundation, Inc. and its contributors.
24 * 4. Neither the name of The NetBSD Foundation nor the names of its
25 * contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40
41 #define MII_BIT_MDO 0 /* data out (host->PHY) */
42 #define MII_BIT_MDI 1 /* data in (PHY->host) */
43 #define MII_BIT_MDC 2 /* clock */
44 #define MII_BIT_DIR_HOST_PHY 3 /* set direction: host->PHY */
45 #define MII_BIT_DIR_PHY_HOST 4 /* set direction: PHY->host */
46 #define MII_NBITS 5
47
48 struct mii_bitbang_ops {
49 u_int32_t (*mbo_read)(struct device *);
50 void (*mbo_write)(struct device *, u_int32_t);
51 u_int32_t mbo_bits[MII_NBITS];
52 };
53
54 typedef const struct mii_bitbang_ops *mii_bitbang_ops_t;
55
56 int mii_bitbang_readreg(struct device *, mii_bitbang_ops_t,
57 int, int);
58 void mii_bitbang_writereg(struct device *, mii_bitbang_ops_t,
59 int, int, int);