2 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
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.
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.
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
34 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
46 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
47 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
48 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
49 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
50 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
51 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
52 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
53 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
54 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
57 #include <sys/cdefs.h>
58 __FBSDID("$FreeBSD$");
61 * Driver for Altima AC101 10/100 PHY
64 #include <sys/param.h>
65 #include <sys/systm.h>
66 #include <sys/kernel.h>
67 #include <sys/socket.h>
68 #include <sys/errno.h>
69 #include <sys/module.h>
73 #include <net/if_media.h>
75 #include <dev/mii/mii.h>
76 #include <dev/mii/miivar.h>
79 #include <dev/mii/acphyreg.h>
81 #include "miibus_if.h"
83 static int acphy_probe(device_t);
84 static int acphy_attach(device_t);
86 static device_method_t acphy_methods[] = {
87 /* device interface */
88 DEVMETHOD(device_probe, acphy_probe),
89 DEVMETHOD(device_attach, acphy_attach),
90 DEVMETHOD(device_detach, mii_phy_detach),
91 DEVMETHOD(device_shutdown, bus_generic_shutdown),
95 static driver_t acphy_driver = {
98 sizeof(struct mii_softc)
101 DRIVER_MODULE(acphy, miibus, acphy_driver, 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) ifmedia_add(&sc->mii_pdata->mii_media, (m), 0, 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));
146 printf("100baseFX, ");
147 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, sc->mii_inst));
148 printf("100baseFX-FDX, ");
152 mii_phy_add_media(sc);
155 MIIBUS_MEDIAINIT(sc->mii_dev);
160 acphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
169 /* Wake & deisolate up if necessary */
170 reg = PHY_READ(sc, MII_BMCR);
171 if (reg & (BMCR_ISO | BMCR_PDOWN))
172 PHY_WRITE(sc, MII_BMCR, reg & ~(BMCR_ISO | BMCR_PDOWN));
174 mii_phy_setmedia(sc);
179 * This PHY's autonegotiation doesn't need to be kicked.
184 /* Update the media status. */
187 /* Callback if something changed. */
188 mii_phy_update(sc, cmd);
193 acphy_status(struct mii_softc *sc)
195 struct mii_data *mii = sc->mii_pdata;
196 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
197 int bmsr, bmcr, diag;
199 mii->mii_media_status = IFM_AVALID;
200 mii->mii_media_active = IFM_ETHER;
202 bmsr = PHY_READ(sc, MII_BMSR) |
203 PHY_READ(sc, MII_BMSR);
204 if (bmsr & BMSR_LINK)
205 mii->mii_media_status |= IFM_ACTIVE;
207 bmcr = PHY_READ(sc, MII_BMCR);
208 if (bmcr & BMCR_ISO) {
209 mii->mii_media_active |= IFM_NONE;
210 mii->mii_media_status = 0;
214 if (bmcr & BMCR_LOOP)
215 mii->mii_media_active |= IFM_LOOP;
217 if (bmcr & BMCR_AUTOEN) {
218 if ((bmsr & BMSR_ACOMP) == 0) {
219 /* Erg, still trying, I guess... */
220 mii->mii_media_active |= IFM_NONE;
223 diag = PHY_READ(sc, MII_ACPHY_DIAG);
224 if (diag & AC_DIAG_SPEED)
225 mii->mii_media_active |= IFM_100_TX;
227 mii->mii_media_active |= IFM_10_T;
229 if (diag & AC_DIAG_DUPLEX)
230 mii->mii_media_active |=
231 IFM_FDX | mii_phy_flowstatus(sc);
233 mii->mii_media_active |= IFM_HDX;
235 mii->mii_media_active = ife->ifm_media;
239 acphy_reset(struct mii_softc *sc)
243 PHY_WRITE(sc, MII_ACPHY_INT, 0);