1 /* $NetBSD: ukphy.c,v 1.2 1999/04/23 04:24:32 thorpej Exp $ */
4 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center, and by Frank van der Linden.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
41 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 * 3. All advertising materials mentioning features or use of this software
52 * must display the following acknowledgement:
53 * This product includes software developed by Manuel Bouyer.
54 * 4. The name of the author may not be used to endorse or promote products
55 * derived from this software without specific prior written permission.
57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
69 #include <sys/cdefs.h>
70 __FBSDID("$FreeBSD$");
73 * driver for generic unknown PHYs
76 #include <sys/param.h>
77 #include <sys/systm.h>
78 #include <sys/kernel.h>
79 #include <sys/socket.h>
80 #include <sys/errno.h>
81 #include <sys/module.h>
85 #include <net/if_media.h>
87 #include <dev/mii/mii.h>
88 #include <dev/mii/miivar.h>
90 #include "miibus_if.h"
92 static int ukphy_probe(device_t);
93 static int ukphy_attach(device_t);
95 static device_method_t ukphy_methods[] = {
96 /* device interface */
97 DEVMETHOD(device_probe, ukphy_probe),
98 DEVMETHOD(device_attach, ukphy_attach),
99 DEVMETHOD(device_detach, mii_phy_detach),
100 DEVMETHOD(device_shutdown, bus_generic_shutdown),
104 static devclass_t ukphy_devclass;
106 static driver_t ukphy_driver = {
109 sizeof(struct mii_softc)
112 DRIVER_MODULE(ukphy, miibus, ukphy_driver, ukphy_devclass, 0, 0);
114 static int ukphy_service(struct mii_softc *, struct mii_data *, int);
122 * We know something is here, so always match at a low priority.
124 device_set_desc(dev, "Generic IEEE 802.3u media interface");
132 struct mii_softc *sc;
133 struct mii_attach_args *ma;
134 struct mii_data *mii;
136 sc = device_get_softc(dev);
137 ma = device_get_ivars(dev);
138 sc->mii_dev = device_get_parent(dev);
139 mii = device_get_softc(sc->mii_dev);
140 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
143 device_printf(dev, "OUI 0x%06x, model 0x%04x, rev. %d\n",
144 MII_OUI(ma->mii_id1, ma->mii_id2),
145 MII_MODEL(ma->mii_id2), MII_REV(ma->mii_id2));
147 sc->mii_inst = mii->mii_instance;
148 sc->mii_phy = ma->mii_phyno;
149 sc->mii_service = ukphy_service;
154 sc->mii_flags |= MIIF_NOISOLATE;
158 sc->mii_capabilities =
159 PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
160 if (sc->mii_capabilities & BMSR_EXTSTAT)
161 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
162 device_printf(dev, " ");
163 mii_phy_add_media(sc);
166 MIIBUS_MEDIAINIT(sc->mii_dev);
167 mii_phy_setmedia(sc);
173 ukphy_service(sc, mii, cmd)
174 struct mii_softc *sc;
175 struct mii_data *mii;
178 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
184 * If we're not polling our PHY instance, just return.
186 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
192 * If the media indicates a different PHY instance,
195 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
196 reg = PHY_READ(sc, MII_BMCR);
197 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
202 * If the interface is not up, don't do anything.
204 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
207 mii_phy_setmedia(sc);
212 * If we're not currently selected, just return.
214 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
216 if (mii_phy_tick(sc) == EJUSTRETURN)
221 /* Update the media status. */
224 /* Callback if something changed. */
225 mii_phy_update(sc, cmd);