2 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
7 * NASA Ames Research Center.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the NetBSD
20 * Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
37 * $FreeBSD: src/sys/dev/mii/acphy.c,v 1.2.2.2 2002/10/21 21:20:19 semenu Exp $
38 * $DragonFly: src/sys/dev/netif/mii_layer/acphy.c,v 1.5 2004/09/18 19:32:59 dillon Exp $
42 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
44 * Redistribution and use in source and binary forms, with or without
45 * modification, are permitted provided that the following conditions
47 * 1. Redistributions of source code must retain the above copyright
48 * notice, this list of conditions and the following disclaimer.
49 * 2. Redistributions in binary form must reproduce the above copyright
50 * notice, this list of conditions and the following disclaimer in the
51 * documentation and/or other materials provided with the distribution.
52 * 3. All advertising materials mentioning features or use of this software
53 * must display the following acknowledgement:
54 * This product includes software developed by Manuel Bouyer.
55 * 4. The name of the author may not be used to endorse or promote products
56 * derived from this software without specific prior written permission.
58 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
59 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
60 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
61 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
62 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
63 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
64 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
65 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
66 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
67 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
71 * Driver for Altima AC101 10/100 PHY
74 #include <sys/param.h>
75 #include <sys/systm.h>
76 #include <sys/kernel.h>
77 #include <sys/socket.h>
78 #include <sys/errno.h>
79 #include <sys/module.h>
83 #include <net/if_media.h>
91 #include "miibus_if.h"
93 static int acphy_probe (device_t);
94 static int acphy_attach (device_t);
95 static int acphy_detach (device_t);
97 static device_method_t acphy_methods[] = {
98 /* device interface */
99 DEVMETHOD(device_probe, acphy_probe),
100 DEVMETHOD(device_attach, acphy_attach),
101 DEVMETHOD(device_detach, acphy_detach),
102 DEVMETHOD(device_shutdown, bus_generic_shutdown),
106 static devclass_t acphy_devclass;
108 static driver_t acphy_driver = {
111 sizeof(struct mii_softc)
114 DRIVER_MODULE(acphy, miibus, acphy_driver, acphy_devclass, 0, 0);
116 int acphy_service (struct mii_softc *, struct mii_data *, int);
117 void acphy_reset (struct mii_softc *);
118 void acphy_status (struct mii_softc *);
120 static int acphy_probe(dev)
123 struct mii_attach_args *ma;
125 ma = device_get_ivars(dev);
127 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxALTIMA &&
128 MII_MODEL(ma->mii_id2) == MII_MODEL_xxALTIMA_AC101) {
129 device_set_desc(dev, MII_STR_xxALTIMA_AC101);
136 static int acphy_attach(dev)
139 struct mii_softc *sc;
140 struct mii_attach_args *ma;
141 struct mii_data *mii;
143 sc = device_get_softc(dev);
144 ma = device_get_ivars(dev);
146 sc->mii_dev = device_get_parent(dev);
147 mii = device_get_softc(sc->mii_dev);
148 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
150 sc->mii_inst = mii->mii_instance;
151 sc->mii_phy = ma->mii_phyno;
152 sc->mii_service = acphy_service;
154 sc->mii_flags |= MIIF_NOISOLATE;
160 sc->mii_capabilities =
161 PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
162 device_printf(dev, " ");
163 if (sc->mii_capabilities & BMSR_MEDIAMASK)
164 mii_add_media(mii, sc->mii_capabilities,
168 MIIBUS_MEDIAINIT(sc->mii_dev);
172 static int acphy_detach(dev)
175 struct mii_softc *sc;
176 struct mii_data *mii;
178 sc = device_get_softc(dev);
179 mii = device_get_softc(device_get_parent(dev));
181 LIST_REMOVE(sc, mii_list);
187 acphy_service(sc, mii, cmd)
188 struct mii_softc *sc;
189 struct mii_data *mii;
192 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
196 * If we're not selected, then do nothing, just isolate and power
197 * down, if changing media.
199 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
200 if (cmd == MII_MEDIACHG) {
201 reg = PHY_READ(sc, MII_BMCR);
202 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO | BMCR_PDOWN);
214 * If the interface is not up, don't do anything.
216 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
219 /* Wake & deisolate up if necessary */
220 reg = PHY_READ(sc, MII_BMCR);
221 if (reg & (BMCR_ISO | BMCR_PDOWN))
222 PHY_WRITE(sc, MII_BMCR, reg & ~(BMCR_ISO | BMCR_PDOWN));
224 switch (IFM_SUBTYPE(ife->ifm_media)) {
227 * If we're already in auto mode, just return.
229 if (PHY_READ(sc, MII_BMCR) & BMCR_AUTOEN)
232 (void) mii_phy_auto(sc, 1);
237 * BMCR data is stored in the ifmedia entry.
239 PHY_WRITE(sc, MII_ANAR,
240 mii_anar(ife->ifm_media));
241 PHY_WRITE(sc, MII_BMCR, ife->ifm_data);
247 * Is the interface even up?
249 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
253 * Only used for autonegotiation.
255 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
259 * This PHY's autonegotiation doesn't need to be kicked.
264 /* Update the media status. */
267 /* Callback if something changed. */
268 if (sc->mii_active != mii->mii_media_active || cmd == MII_MEDIACHG) {
269 MIIBUS_STATCHG(sc->mii_dev);
270 sc->mii_active = mii->mii_media_active;
277 struct mii_softc *sc;
279 struct mii_data *mii = sc->mii_pdata;
280 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
281 int bmsr, bmcr, diag;
283 mii->mii_media_status = IFM_AVALID;
284 mii->mii_media_active = IFM_ETHER;
286 bmsr = PHY_READ(sc, MII_BMSR) |
287 PHY_READ(sc, MII_BMSR);
288 if (bmsr & BMSR_LINK)
289 mii->mii_media_status |= IFM_ACTIVE;
291 bmcr = PHY_READ(sc, MII_BMCR);
292 if (bmcr & BMCR_ISO) {
293 mii->mii_media_active |= IFM_NONE;
294 mii->mii_media_status = 0;
298 if (bmcr & BMCR_LOOP)
299 mii->mii_media_active |= IFM_LOOP;
301 if (bmcr & BMCR_AUTOEN) {
302 if ((bmsr & BMSR_ACOMP) == 0) {
303 /* Erg, still trying, I guess... */
304 mii->mii_media_active |= IFM_NONE;
307 diag = PHY_READ(sc, MII_ACPHY_DIAG);
308 if (diag & AC_DIAG_SPEED)
309 mii->mii_media_active |= IFM_100_TX;
311 mii->mii_media_active |= IFM_10_T;
313 if (diag & AC_DIAG_DUPLEX)
314 mii->mii_media_active |= IFM_FDX;
316 mii->mii_media_active = ife->ifm_media;
321 struct mii_softc *sc;
325 PHY_WRITE(sc, MII_ACPHY_INT, 0);