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 * SPDX-License-Identifier: BSD-2-Clause-NetBSD AND BSD-2-Clause
7 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
10 * This code is derived from software contributed to The NetBSD Foundation
11 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
12 * NASA Ames Research Center.
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
37 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
42 * 1. Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * 2. Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in the
46 * documentation and/or other materials provided with the distribution.
48 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
49 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
50 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
51 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
52 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
53 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
54 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
55 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
56 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
57 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
60 #include <sys/cdefs.h>
61 __FBSDID("$FreeBSD$");
64 * driver for Quality Semiconductor's QS6612 ethernet 10/100 PHY
65 * datasheet from www.qualitysemi.com
68 #include <sys/param.h>
69 #include <sys/systm.h>
70 #include <sys/kernel.h>
71 #include <sys/socket.h>
72 #include <sys/errno.h>
73 #include <sys/module.h>
77 #include <net/if_media.h>
79 #include <dev/mii/mii.h>
80 #include <dev/mii/miivar.h>
83 #include <dev/mii/qsphyreg.h>
85 #include "miibus_if.h"
87 static int qsphy_probe(device_t);
88 static int qsphy_attach(device_t);
90 static device_method_t qsphy_methods[] = {
91 /* device interface */
92 DEVMETHOD(device_probe, qsphy_probe),
93 DEVMETHOD(device_attach, qsphy_attach),
94 DEVMETHOD(device_detach, mii_phy_detach),
95 DEVMETHOD(device_shutdown, bus_generic_shutdown),
99 static devclass_t qsphy_devclass;
101 static driver_t qsphy_driver = {
104 sizeof(struct mii_softc)
107 DRIVER_MODULE(qsphy, miibus, qsphy_driver, qsphy_devclass, 0, 0);
109 static int qsphy_service(struct mii_softc *, struct mii_data *, int);
110 static void qsphy_reset(struct mii_softc *);
111 static void qsphy_status(struct mii_softc *);
113 static const struct mii_phydesc qsphys[] = {
114 MII_PHY_DESC(xxQUALSEMI, QS6612),
118 static const struct mii_phy_funcs qsphy_funcs = {
125 qsphy_probe(device_t dev)
128 return (mii_phy_dev_probe(dev, qsphys, BUS_PROBE_DEFAULT));
132 qsphy_attach(device_t dev)
135 mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &qsphy_funcs, 1);
140 qsphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
148 mii_phy_setmedia(sc);
153 * This PHY's autonegotiation doesn't need to be kicked.
158 /* Update the media status. */
161 /* Callback if something changed. */
162 mii_phy_update(sc, cmd);
167 qsphy_status(struct mii_softc *sc)
169 struct mii_data *mii = sc->mii_pdata;
170 int bmsr, bmcr, pctl;
172 mii->mii_media_status = IFM_AVALID;
173 mii->mii_media_active = IFM_ETHER;
175 bmsr = PHY_READ(sc, MII_BMSR) |
176 PHY_READ(sc, MII_BMSR);
177 if (bmsr & BMSR_LINK)
178 mii->mii_media_status |= IFM_ACTIVE;
180 bmcr = PHY_READ(sc, MII_BMCR);
181 if (bmcr & BMCR_ISO) {
182 mii->mii_media_active |= IFM_NONE;
183 mii->mii_media_status = 0;
187 if (bmcr & BMCR_LOOP)
188 mii->mii_media_active |= IFM_LOOP;
190 pctl = PHY_READ(sc, MII_QSPHY_PCTL);
191 switch (pctl & PCTL_OPMASK) {
193 mii->mii_media_active |= IFM_10_T|IFM_HDX;
196 mii->mii_media_active |= IFM_10_T|IFM_FDX;
199 mii->mii_media_active |= IFM_100_TX|IFM_HDX;
201 case PCTL_100_TX_FDX:
202 mii->mii_media_active |= IFM_100_TX|IFM_FDX;
205 mii->mii_media_active |= IFM_100_T4|IFM_HDX;
208 mii->mii_media_active |= IFM_NONE;
211 /* Erg... this shouldn't happen. */
212 mii->mii_media_active |= IFM_NONE;
215 if ((mii->mii_media_active & IFM_FDX) != 0)
216 mii->mii_media_active |= mii_phy_flowstatus(sc);
220 qsphy_reset(struct mii_softc *sc)
224 PHY_WRITE(sc, MII_QSPHY_IMASK, 0);