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.
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
32 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
34 * Redistribution and use in source and binary forms, with or without
35 * modification, are permitted provided that the following conditions
37 * 1. Redistributions of source code must retain the above copyright
38 * notice, this list of conditions and the following disclaimer.
39 * 2. Redistributions in binary form must reproduce the above copyright
40 * notice, this list of conditions and the following disclaimer in the
41 * documentation and/or other materials provided with the distribution.
43 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
44 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
45 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
46 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
47 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
48 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
52 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55 #include <sys/cdefs.h>
56 __FBSDID("$FreeBSD$");
59 * Driver for Altima AC101 10/100 PHY
62 #include <sys/param.h>
63 #include <sys/systm.h>
64 #include <sys/kernel.h>
65 #include <sys/socket.h>
66 #include <sys/errno.h>
67 #include <sys/module.h>
71 #include <net/if_media.h>
73 #include <dev/mii/mii.h>
74 #include <dev/mii/miivar.h>
77 #include <dev/mii/acphyreg.h>
79 #include "miibus_if.h"
81 static int acphy_probe(device_t);
82 static int acphy_attach(device_t);
84 static device_method_t acphy_methods[] = {
85 /* device interface */
86 DEVMETHOD(device_probe, acphy_probe),
87 DEVMETHOD(device_attach, acphy_attach),
88 DEVMETHOD(device_detach, mii_phy_detach),
89 DEVMETHOD(device_shutdown, bus_generic_shutdown),
93 static devclass_t acphy_devclass;
95 static driver_t acphy_driver = {
98 sizeof(struct mii_softc)
101 DRIVER_MODULE(acphy, miibus, acphy_driver, acphy_devclass, 0, 0);
103 static int acphy_service(struct mii_softc *, struct mii_data *, int);
104 static void acphy_reset(struct mii_softc *);
105 static void acphy_status(struct mii_softc *);
107 static const struct mii_phydesc acphys[] = {
108 MII_PHY_DESC(ALTIMA, AC101),
109 MII_PHY_DESC(ALTIMA, AC101L),
110 /* XXX This is reported to work, but it's not from any data sheet. */
111 MII_PHY_DESC(ALTIMA, ACXXX),
115 static const struct mii_phy_funcs acphy_funcs = {
122 acphy_probe(device_t dev)
125 return (mii_phy_dev_probe(dev, acphys, BUS_PROBE_DEFAULT));
129 acphy_attach(device_t dev)
131 struct mii_softc *sc;
133 sc = device_get_softc(dev);
135 mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &acphy_funcs, 0);
139 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask;
140 device_printf(dev, " ");
142 #define ADD(m, c) ifmedia_add(&sc->mii_pdata->mii_media, (m), (c), NULL)
143 if ((PHY_READ(sc, MII_ACPHY_MCTL) & AC_MCTL_FX_SEL) != 0) {
144 sc->mii_flags |= MIIF_HAVEFIBER;
145 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, 0, sc->mii_inst),
147 printf("100baseFX, ");
148 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, sc->mii_inst),
149 MII_MEDIA_100_TX_FDX);
150 printf("100baseFX-FDX, ");
154 mii_phy_add_media(sc);
157 MIIBUS_MEDIAINIT(sc->mii_dev);
162 acphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
172 * If the interface is not up, don't do anything.
174 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
177 /* Wake & deisolate up if necessary */
178 reg = PHY_READ(sc, MII_BMCR);
179 if (reg & (BMCR_ISO | BMCR_PDOWN))
180 PHY_WRITE(sc, MII_BMCR, reg & ~(BMCR_ISO | BMCR_PDOWN));
182 mii_phy_setmedia(sc);
187 * Is the interface even up?
189 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
193 * This PHY's autonegotiation doesn't need to be kicked.
198 /* Update the media status. */
201 /* Callback if something changed. */
202 mii_phy_update(sc, cmd);
207 acphy_status(struct mii_softc *sc)
209 struct mii_data *mii = sc->mii_pdata;
210 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
211 int bmsr, bmcr, diag;
213 mii->mii_media_status = IFM_AVALID;
214 mii->mii_media_active = IFM_ETHER;
216 bmsr = PHY_READ(sc, MII_BMSR) |
217 PHY_READ(sc, MII_BMSR);
218 if (bmsr & BMSR_LINK)
219 mii->mii_media_status |= IFM_ACTIVE;
221 bmcr = PHY_READ(sc, MII_BMCR);
222 if (bmcr & BMCR_ISO) {
223 mii->mii_media_active |= IFM_NONE;
224 mii->mii_media_status = 0;
228 if (bmcr & BMCR_LOOP)
229 mii->mii_media_active |= IFM_LOOP;
231 if (bmcr & BMCR_AUTOEN) {
232 if ((bmsr & BMSR_ACOMP) == 0) {
233 /* Erg, still trying, I guess... */
234 mii->mii_media_active |= IFM_NONE;
237 diag = PHY_READ(sc, MII_ACPHY_DIAG);
238 if (diag & AC_DIAG_SPEED)
239 mii->mii_media_active |= IFM_100_TX;
241 mii->mii_media_active |= IFM_10_T;
243 if (diag & AC_DIAG_DUPLEX)
244 mii->mii_media_active |=
245 IFM_FDX | mii_phy_flowstatus(sc);
247 mii->mii_media_active |= IFM_HDX;
249 mii->mii_media_active = ife->ifm_media;
253 acphy_reset(struct mii_softc *sc)
257 PHY_WRITE(sc, MII_ACPHY_INT, 0);