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.
39 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. All advertising materials mentioning features or use of this software
50 * must display the following acknowledgement:
51 * This product includes software developed by Manuel Bouyer.
52 * 4. The name of the author may not be used to endorse or promote products
53 * derived from this software without specific prior written permission.
55 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
56 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
57 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
58 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
59 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
60 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
64 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67 #include <sys/cdefs.h>
68 __FBSDID("$FreeBSD$");
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>
85 #include <dev/mii/mii.h>
86 #include <dev/mii/miivar.h>
89 #include <dev/mii/acphyreg.h>
91 #include "miibus_if.h"
93 static int acphy_probe(device_t);
94 static int acphy_attach(device_t);
96 static device_method_t acphy_methods[] = {
97 /* device interface */
98 DEVMETHOD(device_probe, acphy_probe),
99 DEVMETHOD(device_attach, acphy_attach),
100 DEVMETHOD(device_detach, mii_phy_detach),
101 DEVMETHOD(device_shutdown, bus_generic_shutdown),
105 static devclass_t acphy_devclass;
107 static driver_t acphy_driver = {
110 sizeof(struct mii_softc)
113 DRIVER_MODULE(acphy, miibus, acphy_driver, acphy_devclass, 0, 0);
115 static int acphy_service(struct mii_softc *, struct mii_data *, int);
116 static void acphy_reset(struct mii_softc *);
117 static void acphy_status(struct mii_softc *);
119 static const struct mii_phydesc acphys[] = {
120 MII_PHY_DESC(xxALTIMA, AC101),
121 MII_PHY_DESC(xxALTIMA, AC101L),
122 /* XXX This is reported to work, but it's not from any data sheet. */
123 MII_PHY_DESC(xxALTIMA, ACXXX),
128 acphy_probe(device_t dev)
131 return (mii_phy_dev_probe(dev, acphys, BUS_PROBE_DEFAULT));
135 acphy_attach(device_t dev)
137 struct mii_softc *sc;
138 struct mii_attach_args *ma;
139 struct mii_data *mii;
141 sc = device_get_softc(dev);
142 ma = device_get_ivars(dev);
143 sc->mii_dev = device_get_parent(dev);
144 mii = device_get_softc(sc->mii_dev);
145 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
147 sc->mii_inst = mii->mii_instance;
148 sc->mii_phy = ma->mii_phyno;
149 sc->mii_service = acphy_service;
156 sc->mii_capabilities =
157 PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
158 device_printf(dev, " ");
160 #define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL)
161 if ((PHY_READ(sc, MII_ACPHY_MCTL) & AC_MCTL_FX_SEL) != 0) {
162 sc->mii_flags |= MIIF_HAVEFIBER;
163 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, 0, sc->mii_inst),
165 printf("100baseFX, ");
166 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, sc->mii_inst),
167 MII_MEDIA_100_TX_FDX);
168 printf("100baseFX-FDX, ");
172 mii_phy_add_media(sc);
175 MIIBUS_MEDIAINIT(sc->mii_dev);
180 acphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
182 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
186 * If we're not selected, then do nothing, just isolate and power
187 * down, if changing media.
189 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
190 if (cmd == MII_MEDIACHG) {
191 reg = PHY_READ(sc, MII_BMCR);
192 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO | BMCR_PDOWN);
204 * If the interface is not up, don't do anything.
206 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
209 /* Wake & deisolate up if necessary */
210 reg = PHY_READ(sc, MII_BMCR);
211 if (reg & (BMCR_ISO | BMCR_PDOWN))
212 PHY_WRITE(sc, MII_BMCR, reg & ~(BMCR_ISO | BMCR_PDOWN));
214 mii_phy_setmedia(sc);
219 * Is the interface even up?
221 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
225 * This PHY's autonegotiation doesn't need to be kicked.
230 /* Update the media status. */
233 /* Callback if something changed. */
234 mii_phy_update(sc, cmd);
239 acphy_status(struct mii_softc *sc)
241 struct mii_data *mii = sc->mii_pdata;
242 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
243 int bmsr, bmcr, diag;
245 mii->mii_media_status = IFM_AVALID;
246 mii->mii_media_active = IFM_ETHER;
248 bmsr = PHY_READ(sc, MII_BMSR) |
249 PHY_READ(sc, MII_BMSR);
250 if (bmsr & BMSR_LINK)
251 mii->mii_media_status |= IFM_ACTIVE;
253 bmcr = PHY_READ(sc, MII_BMCR);
254 if (bmcr & BMCR_ISO) {
255 mii->mii_media_active |= IFM_NONE;
256 mii->mii_media_status = 0;
260 if (bmcr & BMCR_LOOP)
261 mii->mii_media_active |= IFM_LOOP;
263 if (bmcr & BMCR_AUTOEN) {
264 if ((bmsr & BMSR_ACOMP) == 0) {
265 /* Erg, still trying, I guess... */
266 mii->mii_media_active |= IFM_NONE;
269 diag = PHY_READ(sc, MII_ACPHY_DIAG);
270 if (diag & AC_DIAG_SPEED)
271 mii->mii_media_active |= IFM_100_TX;
273 mii->mii_media_active |= IFM_10_T;
275 if (diag & AC_DIAG_DUPLEX)
276 mii->mii_media_active |= IFM_FDX;
278 mii->mii_media_active = ife->ifm_media;
282 acphy_reset(struct mii_softc *sc)
286 PHY_WRITE(sc, MII_ACPHY_INT, 0);