FreeBSD/Linux Kernel Cross Reference
sys/dev/mii/ukphy.c
1 /* $NetBSD: ukphy.c,v 1.2 1999/04/23 04:24:32 thorpej Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
5 *
6 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
7 * All rights reserved.
8 *
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
11 * NASA Ames Research Center, and by Frank van der Linden.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 /*-
36 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
48 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
50 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
51 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
52 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
53 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
54 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
55 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
56 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
57 */
58
59 #include <sys/cdefs.h>
60 __FBSDID("$FreeBSD$");
61
62 /*
63 * driver for generic unknown PHYs
64 */
65
66 #include <sys/param.h>
67 #include <sys/systm.h>
68 #include <sys/kernel.h>
69 #include <sys/socket.h>
70 #include <sys/errno.h>
71 #include <sys/module.h>
72 #include <sys/bus.h>
73
74 #include <net/if.h>
75 #include <net/if_media.h>
76
77 #include <dev/mii/mii.h>
78 #include <dev/mii/miivar.h>
79
80 #include "miibus_if.h"
81
82 static int ukphy_probe(device_t);
83 static int ukphy_attach(device_t);
84
85 static device_method_t ukphy_methods[] = {
86 /* device interface */
87 DEVMETHOD(device_probe, ukphy_probe),
88 DEVMETHOD(device_attach, ukphy_attach),
89 DEVMETHOD(device_detach, mii_phy_detach),
90 DEVMETHOD(device_shutdown, bus_generic_shutdown),
91 DEVMETHOD_END
92 };
93
94 static driver_t ukphy_driver = {
95 "ukphy",
96 ukphy_methods,
97 sizeof(struct mii_softc)
98 };
99
100 DRIVER_MODULE(ukphy, miibus, ukphy_driver, 0, 0);
101
102 static int ukphy_service(struct mii_softc *, struct mii_data *, int);
103
104 static const struct mii_phy_funcs ukphy_funcs = {
105 ukphy_service,
106 ukphy_status,
107 mii_phy_reset
108 };
109
110 static int
111 ukphy_probe(device_t dev)
112 {
113
114 /*
115 * We know something is here, so always match at a low priority.
116 */
117 device_set_desc(dev, "Generic IEEE 802.3u media interface");
118 return (BUS_PROBE_GENERIC);
119 }
120
121 static int
122 ukphy_attach(device_t dev)
123 {
124 struct mii_softc *sc;
125
126 sc = device_get_softc(dev);
127
128 mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &ukphy_funcs, 1);
129 mii_phy_setmedia(sc);
130
131 return (0);
132 }
133
134 static int
135 ukphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
136 {
137
138 switch (cmd) {
139 case MII_POLLSTAT:
140 break;
141
142 case MII_MEDIACHG:
143 mii_phy_setmedia(sc);
144 break;
145
146 case MII_TICK:
147 if (mii_phy_tick(sc) == EJUSTRETURN)
148 return (0);
149 break;
150 }
151
152 /* Update the media status. */
153 PHY_STATUS(sc);
154
155 /* Callback if something changed. */
156 mii_phy_update(sc, cmd);
157 return (0);
158 }
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