Annotation of sys/dev/mii/mii_bitbang.h, Revision 1.1.1.1
1.1 nbrk 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);
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