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.
71 * driver for Quality Semiconductor's QS6612 ethernet 10/100 PHY
72 * datasheet from www.qualitysemi.com
75 #include <sys/param.h>
76 #include <sys/systm.h>
77 #include <sys/kernel.h>
78 #include <sys/socket.h>
79 #include <sys/errno.h>
80 #include <sys/module.h>
84 #include <net/if_media.h>
86 #include <dev/mii/mii.h>
87 #include <dev/mii/miivar.h>
88 #include <dev/mii/miidevs.h>
90 #include <dev/mii/qsphyreg.h>
92 #include "miibus_if.h"
95 static const char rcsid[] =
96 "$FreeBSD: src/sys/dev/mii/qsphy.c,v 1.1.2.2 2002/10/21 21:21:42 semenu Exp $";
99 static int qsphy_probe __P((device_t));
100 static int qsphy_attach __P((device_t));
101 static int qsphy_detach __P((device_t));
103 static device_method_t qsphy_methods[] = {
104 /* device interface */
105 DEVMETHOD(device_probe, qsphy_probe),
106 DEVMETHOD(device_attach, qsphy_attach),
107 DEVMETHOD(device_detach, qsphy_detach),
108 DEVMETHOD(device_shutdown, bus_generic_shutdown),
112 static devclass_t qsphy_devclass;
114 static driver_t qsphy_driver = {
117 sizeof(struct mii_softc)
120 DRIVER_MODULE(qsphy, miibus, qsphy_driver, qsphy_devclass, 0, 0);
122 int qsphy_service __P((struct mii_softc *, struct mii_data *, int));
123 void qsphy_reset __P((struct mii_softc *));
124 void qsphy_status __P((struct mii_softc *));
126 static int qsphy_probe(dev)
129 struct mii_attach_args *ma;
131 ma = device_get_ivars(dev);
133 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_QUALSEMI &&
134 MII_MODEL(ma->mii_id2) == MII_MODEL_QUALSEMI_QS6612) {
135 device_set_desc(dev, MII_STR_QUALSEMI_QS6612);
142 static int qsphy_attach(dev)
145 struct mii_softc *sc;
146 struct mii_attach_args *ma;
147 struct mii_data *mii;
149 sc = device_get_softc(dev);
150 ma = device_get_ivars(dev);
151 sc->mii_dev = device_get_parent(dev);
152 mii = device_get_softc(sc->mii_dev);
153 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
155 sc->mii_inst = mii->mii_instance;
156 sc->mii_phy = ma->mii_phyno;
157 sc->mii_service = qsphy_service;
159 sc->mii_flags |= MIIF_NOISOLATE;
165 sc->mii_capabilities =
166 PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
167 device_printf(dev, " ");
168 if (sc->mii_capabilities & BMSR_MEDIAMASK)
169 mii_add_media(mii, sc->mii_capabilities,
173 MIIBUS_MEDIAINIT(sc->mii_dev);
177 static int qsphy_detach(dev)
180 struct mii_softc *sc;
181 struct mii_data *mii;
183 sc = device_get_softc(dev);
184 mii = device_get_softc(device_get_parent(dev));
186 LIST_REMOVE(sc, mii_list);
192 qsphy_service(sc, mii, cmd)
193 struct mii_softc *sc;
194 struct mii_data *mii;
197 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
201 * If we're not selected, then do nothing, just isolate, if
204 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
205 if (cmd == MII_MEDIACHG) {
206 reg = PHY_READ(sc, MII_BMCR);
207 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
219 * If the interface is not up, don't do anything.
221 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
224 switch (IFM_SUBTYPE(ife->ifm_media)) {
227 * If we're already in auto mode, just return.
229 if (PHY_READ(sc, MII_BMCR) & BMCR_AUTOEN)
232 (void) mii_phy_auto(sc, 1);
237 * BMCR data is stored in the ifmedia entry.
239 PHY_WRITE(sc, MII_ANAR,
240 mii_anar(ife->ifm_media));
241 PHY_WRITE(sc, MII_BMCR, ife->ifm_data);
247 * Is the interface even up?
249 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
253 * Only used for autonegotiation.
255 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
259 * This PHY's autonegotiation doesn't need to be kicked.
264 /* Update the media status. */
267 /* Callback if something changed. */
268 if (sc->mii_active != mii->mii_media_active || cmd == MII_MEDIACHG) {
269 MIIBUS_STATCHG(sc->mii_dev);
270 sc->mii_active = mii->mii_media_active;
277 struct mii_softc *sc;
279 struct mii_data *mii = sc->mii_pdata;
280 int bmsr, bmcr, pctl;
282 mii->mii_media_status = IFM_AVALID;
283 mii->mii_media_active = IFM_ETHER;
285 bmsr = PHY_READ(sc, MII_BMSR) |
286 PHY_READ(sc, MII_BMSR);
287 if (bmsr & BMSR_LINK)
288 mii->mii_media_status |= IFM_ACTIVE;
290 bmcr = PHY_READ(sc, MII_BMCR);
291 if (bmcr & BMCR_ISO) {
292 mii->mii_media_active |= IFM_NONE;
293 mii->mii_media_status = 0;
297 if (bmcr & BMCR_LOOP)
298 mii->mii_media_active |= IFM_LOOP;
300 pctl = PHY_READ(sc, MII_QSPHY_PCTL);
301 switch (pctl & PCTL_OPMASK) {
303 mii->mii_media_active |= IFM_10_T;
306 mii->mii_media_active |= IFM_10_T|IFM_FDX;
309 mii->mii_media_active |= IFM_100_TX;
311 case PCTL_100_TX_FDX:
312 mii->mii_media_active |= IFM_100_TX|IFM_FDX;
315 mii->mii_media_active |= IFM_100_T4;
318 mii->mii_media_active |= IFM_NONE;
321 /* Erg... this shouldn't happen. */
322 mii->mii_media_active |= IFM_NONE;
329 struct mii_softc *sc;
333 PHY_WRITE(sc, MII_QSPHY_IMASK, 0);