1 /* OpenBSD: qsphy.c,v 1.6 2000/08/26 20:04:18 nate Exp */
2 /* NetBSD: qsphy.c,v 1.19 2000/02/02 23:34:57 thorpej Exp */
5 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
10 * NASA Ames Research Center.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the NetBSD
23 * Foundation, Inc. and its contributors.
24 * 4. Neither the name of The NetBSD Foundation nor the names of its
25 * contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
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.
70 #include <sys/cdefs.h>
71 __FBSDID("$FreeBSD$");
74 * driver for Quality Semiconductor's QS6612 ethernet 10/100 PHY
75 * datasheet from www.qualitysemi.com
78 #include <sys/param.h>
79 #include <sys/systm.h>
80 #include <sys/kernel.h>
81 #include <sys/socket.h>
82 #include <sys/errno.h>
83 #include <sys/module.h>
87 #include <net/if_media.h>
89 #include <dev/mii/mii.h>
90 #include <dev/mii/miivar.h>
93 #include <dev/mii/qsphyreg.h>
95 #include "miibus_if.h"
97 static int qsphy_probe(device_t);
98 static int qsphy_attach(device_t);
100 static device_method_t qsphy_methods[] = {
101 /* device interface */
102 DEVMETHOD(device_probe, qsphy_probe),
103 DEVMETHOD(device_attach, qsphy_attach),
104 DEVMETHOD(device_detach, mii_phy_detach),
105 DEVMETHOD(device_shutdown, bus_generic_shutdown),
109 static devclass_t qsphy_devclass;
111 static driver_t qsphy_driver = {
114 sizeof(struct mii_softc)
117 DRIVER_MODULE(qsphy, miibus, qsphy_driver, qsphy_devclass, 0, 0);
119 static int qsphy_service(struct mii_softc *, struct mii_data *, int);
120 static void qsphy_reset(struct mii_softc *);
121 static void qsphy_status(struct mii_softc *);
123 static const struct mii_phydesc qsphys[] = {
124 MII_PHY_DESC(QUALSEMI, QS6612),
129 qsphy_probe(device_t dev)
132 return (mii_phy_dev_probe(dev, qsphys, BUS_PROBE_DEFAULT));
136 qsphy_attach(device_t dev)
138 struct mii_softc *sc;
139 struct mii_attach_args *ma;
140 struct mii_data *mii;
142 sc = device_get_softc(dev);
143 ma = device_get_ivars(dev);
144 sc->mii_dev = device_get_parent(dev);
145 mii = device_get_softc(sc->mii_dev);
146 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
148 sc->mii_inst = mii->mii_instance;
149 sc->mii_phy = ma->mii_phyno;
150 sc->mii_service = qsphy_service;
157 sc->mii_capabilities =
158 PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
159 device_printf(dev, " ");
160 mii_phy_add_media(sc);
163 MIIBUS_MEDIAINIT(sc->mii_dev);
168 qsphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
170 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
174 * If we're not selected, then do nothing, just isolate, if
177 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
178 if (cmd == MII_MEDIACHG) {
179 reg = PHY_READ(sc, MII_BMCR);
180 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
192 * If the interface is not up, don't do anything.
194 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
197 mii_phy_setmedia(sc);
202 * Is the interface even up?
204 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
208 * This PHY's autonegotiation doesn't need to be kicked.
213 /* Update the media status. */
216 /* Callback if something changed. */
217 mii_phy_update(sc, cmd);
222 qsphy_status(struct mii_softc *sc)
224 struct mii_data *mii = sc->mii_pdata;
225 int bmsr, bmcr, pctl;
227 mii->mii_media_status = IFM_AVALID;
228 mii->mii_media_active = IFM_ETHER;
230 bmsr = PHY_READ(sc, MII_BMSR) |
231 PHY_READ(sc, MII_BMSR);
232 if (bmsr & BMSR_LINK)
233 mii->mii_media_status |= IFM_ACTIVE;
235 bmcr = PHY_READ(sc, MII_BMCR);
236 if (bmcr & BMCR_ISO) {
237 mii->mii_media_active |= IFM_NONE;
238 mii->mii_media_status = 0;
242 if (bmcr & BMCR_LOOP)
243 mii->mii_media_active |= IFM_LOOP;
245 pctl = PHY_READ(sc, MII_QSPHY_PCTL);
246 switch (pctl & PCTL_OPMASK) {
248 mii->mii_media_active |= IFM_10_T;
251 mii->mii_media_active |= IFM_10_T|IFM_FDX;
254 mii->mii_media_active |= IFM_100_TX;
256 case PCTL_100_TX_FDX:
257 mii->mii_media_active |= IFM_100_TX|IFM_FDX;
260 mii->mii_media_active |= IFM_100_T4;
263 mii->mii_media_active |= IFM_NONE;
266 /* Erg... this shouldn't happen. */
267 mii->mii_media_active |= IFM_NONE;
273 qsphy_reset(struct mii_softc *sc)
277 PHY_WRITE(sc, MII_QSPHY_IMASK, 0);