2 * Copyright (c) 2009, M. Warner Losh
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
31 * driver for internal phy in the AX88x9x chips.
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/module.h>
38 #include <sys/socket.h>
42 #include <net/if_media.h>
44 #include <dev/mii/mii.h>
45 #include <dev/mii/miivar.h>
48 #include "miibus_if.h"
50 static int axphy_probe(device_t dev);
51 static int axphy_attach(device_t dev);
53 static device_method_t axphy_methods[] = {
54 /* device interface */
55 DEVMETHOD(device_probe, axphy_probe),
56 DEVMETHOD(device_attach, axphy_attach),
57 DEVMETHOD(device_detach, mii_phy_detach),
58 DEVMETHOD(device_shutdown, bus_generic_shutdown),
62 static devclass_t axphy_devclass;
64 static driver_t axphy_driver = {
67 sizeof(struct mii_softc)
70 DRIVER_MODULE(axphy, miibus, axphy_driver, axphy_devclass, 0, 0);
72 static int axphy_service(struct mii_softc *, struct mii_data *, int);
73 static void axphy_status(struct mii_softc *);
75 static const struct mii_phydesc axphys[] = {
76 MII_PHY_DESC(xxASIX, AX88X9X),
80 static const struct mii_phy_funcs axphy_funcs = {
87 axphy_probe(device_t dev)
90 return (mii_phy_dev_probe(dev, axphys, BUS_PROBE_DEFAULT));
94 axphy_attach(device_t dev)
98 sc = device_get_softc(dev);
100 mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE,
102 mii_phy_setmedia(sc);
108 axphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
117 * If the interface is not up, don't do anything.
119 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
122 mii_phy_setmedia(sc);
126 if (mii_phy_tick(sc) == EJUSTRETURN)
131 /* Update the media status. */
134 /* Callback if something changed. */
135 mii_phy_update(sc, cmd);
140 axphy_status(struct mii_softc *sc)
142 struct mii_data *mii = sc->mii_pdata;
143 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
146 mii->mii_media_status = IFM_AVALID;
147 mii->mii_media_active = IFM_ETHER;
149 bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
150 if (bmsr & BMSR_LINK)
151 mii->mii_media_status |= IFM_ACTIVE;
153 bmcr = PHY_READ(sc, MII_BMCR);
154 if (bmcr & BMCR_ISO) {
155 mii->mii_media_active |= IFM_NONE;
156 mii->mii_media_status = 0;
160 if (bmcr & BMCR_LOOP)
161 mii->mii_media_active |= IFM_LOOP;
163 if (bmcr & BMCR_AUTOEN) {
164 if ((bmsr & BMSR_ACOMP) == 0) {
165 mii->mii_media_active |= IFM_NONE;
170 scr = PHY_READ(sc, MII_AXPHY_SCR);
172 mii->mii_media_active |= IFM_100_TX;
174 mii->mii_media_active |= IFM_10_T;
176 mii->mii_media_active |=
177 IFM_FDX | mii_phy_flowstatus(sc);
179 mii->mii_media_active |= IFM_HDX;
182 mii->mii_media_active = ife->ifm_media;