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.
40 * $FreeBSD: src/sys/dev/mii/qsphy.c,v 1.1.2.2 2002/10/21 21:21:42 semenu Exp $
41 * $DragonFly: src/sys/dev/netif/mii_layer/qsphy.c,v 1.8 2005/12/11 01:54:08 swildner Exp $
45 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
47 * Redistribution and use in source and binary forms, with or without
48 * modification, are permitted provided that the following conditions
50 * 1. Redistributions of source code must retain the above copyright
51 * notice, this list of conditions and the following disclaimer.
52 * 2. Redistributions in binary form must reproduce the above copyright
53 * notice, this list of conditions and the following disclaimer in the
54 * documentation and/or other materials provided with the distribution.
55 * 3. All advertising materials mentioning features or use of this software
56 * must display the following acknowledgement:
57 * This product includes software developed by Manuel Bouyer.
58 * 4. The name of the author may not be used to endorse or promote products
59 * derived from this software without specific prior written permission.
61 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
62 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
63 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
64 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
65 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
66 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
67 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
68 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
69 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
70 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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>
95 #include "miibus_if.h"
97 static int qsphy_probe (device_t);
98 static int qsphy_attach (device_t);
99 static int qsphy_detach (device_t);
101 static device_method_t qsphy_methods[] = {
102 /* device interface */
103 DEVMETHOD(device_probe, qsphy_probe),
104 DEVMETHOD(device_attach, qsphy_attach),
105 DEVMETHOD(device_detach, qsphy_detach),
106 DEVMETHOD(device_shutdown, bus_generic_shutdown),
110 static devclass_t qsphy_devclass;
112 static driver_t qsphy_driver = {
115 sizeof(struct mii_softc)
118 DRIVER_MODULE(qsphy, miibus, qsphy_driver, qsphy_devclass, 0, 0);
120 int qsphy_service (struct mii_softc *, struct mii_data *, int);
121 void qsphy_reset (struct mii_softc *);
122 void qsphy_status (struct mii_softc *);
125 qsphy_probe(device_t dev)
127 struct mii_attach_args *ma;
129 ma = device_get_ivars(dev);
131 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_QUALSEMI &&
132 MII_MODEL(ma->mii_id2) == MII_MODEL_QUALSEMI_QS6612) {
133 device_set_desc(dev, MII_STR_QUALSEMI_QS6612);
141 qsphy_attach(device_t dev)
143 struct mii_softc *sc;
144 struct mii_attach_args *ma;
145 struct mii_data *mii;
147 sc = device_get_softc(dev);
148 ma = device_get_ivars(dev);
149 mii_softc_init(sc, ma);
150 sc->mii_dev = device_get_parent(dev);
151 mii = device_get_softc(sc->mii_dev);
152 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
154 sc->mii_inst = mii->mii_instance;
155 sc->mii_service = qsphy_service;
157 sc->mii_flags |= MIIF_NOISOLATE;
163 sc->mii_capabilities =
164 PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
165 device_printf(dev, " ");
166 if (sc->mii_capabilities & BMSR_MEDIAMASK)
167 mii_add_media(sc, sc->mii_capabilities);
170 MIIBUS_MEDIAINIT(sc->mii_dev);
175 qsphy_detach(device_t dev)
177 struct mii_softc *sc;
178 struct mii_data *mii;
180 sc = device_get_softc(dev);
181 mii = device_get_softc(device_get_parent(dev));
183 LIST_REMOVE(sc, mii_list);
189 qsphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
191 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
195 * If we're not selected, then do nothing, just isolate, if
198 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
199 if (cmd == MII_MEDIACHG) {
200 reg = PHY_READ(sc, MII_BMCR);
201 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
213 * If the interface is not up, don't do anything.
215 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
218 switch (IFM_SUBTYPE(ife->ifm_media)) {
221 * If we're already in auto mode, just return.
223 if (PHY_READ(sc, MII_BMCR) & BMCR_AUTOEN)
226 (void) mii_phy_auto(sc, 1);
231 * BMCR data is stored in the ifmedia entry.
233 PHY_WRITE(sc, MII_ANAR,
234 mii_anar(ife->ifm_media));
235 PHY_WRITE(sc, MII_BMCR, ife->ifm_data);
241 * Is the interface even up?
243 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
247 * Only used for autonegotiation.
249 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
253 * This PHY's autonegotiation doesn't need to be kicked.
258 /* Update the media status. */
261 /* Callback if something changed. */
262 if (sc->mii_active != mii->mii_media_active || cmd == MII_MEDIACHG) {
263 MIIBUS_STATCHG(sc->mii_dev);
264 sc->mii_active = mii->mii_media_active;
270 qsphy_status(struct mii_softc *sc)
272 struct mii_data *mii = sc->mii_pdata;
273 int bmsr, bmcr, pctl;
275 mii->mii_media_status = IFM_AVALID;
276 mii->mii_media_active = IFM_ETHER;
278 bmsr = PHY_READ(sc, MII_BMSR) |
279 PHY_READ(sc, MII_BMSR);
280 if (bmsr & BMSR_LINK)
281 mii->mii_media_status |= IFM_ACTIVE;
283 bmcr = PHY_READ(sc, MII_BMCR);
284 if (bmcr & BMCR_ISO) {
285 mii->mii_media_active |= IFM_NONE;
286 mii->mii_media_status = 0;
290 if (bmcr & BMCR_LOOP)
291 mii->mii_media_active |= IFM_LOOP;
293 pctl = PHY_READ(sc, MII_QSPHY_PCTL);
294 switch (pctl & PCTL_OPMASK) {
296 mii->mii_media_active |= IFM_10_T;
299 mii->mii_media_active |= IFM_10_T|IFM_FDX;
302 mii->mii_media_active |= IFM_100_TX;
304 case PCTL_100_TX_FDX:
305 mii->mii_media_active |= IFM_100_TX|IFM_FDX;
308 mii->mii_media_active |= IFM_100_T4;
311 mii->mii_media_active |= IFM_NONE;
314 /* Erg... this shouldn't happen. */
315 mii->mii_media_active |= IFM_NONE;
321 qsphy_reset(struct mii_softc *sc)
325 PHY_WRITE(sc, MII_QSPHY_IMASK, 0);