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smcphy.c (227908) smcphy.c (232015)
1/*-
2 * Copyright (c) 2006 Benno Rice. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.

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18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2006 Benno Rice. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.

--- 9 unchanged lines hidden (view full) ---

18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include <sys/cdefs.h>
26__FBSDID("$FreeBSD: head/sys/dev/mii/smcphy.c 227908 2011-11-23 20:27:26Z marius $");
26__FBSDID("$FreeBSD: head/sys/dev/mii/smcphy.c 232015 2012-02-23 01:20:21Z yongari $");
27
28/*
29 * Driver for the internal PHY on the SMSC LAN91C111.
30 */
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/kernel.h>

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50#include "miibus_if.h"
51
52static int smcphy_probe(device_t);
53static int smcphy_attach(device_t);
54
55static int smcphy_service(struct mii_softc *, struct mii_data *, int);
56static void smcphy_reset(struct mii_softc *);
57static void smcphy_auto(struct mii_softc *, int);
27
28/*
29 * Driver for the internal PHY on the SMSC LAN91C111.
30 */
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/kernel.h>

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50#include "miibus_if.h"
51
52static int smcphy_probe(device_t);
53static int smcphy_attach(device_t);
54
55static int smcphy_service(struct mii_softc *, struct mii_data *, int);
56static void smcphy_reset(struct mii_softc *);
57static void smcphy_auto(struct mii_softc *, int);
58static void smcphy_status(struct mii_softc *);
58
59static device_method_t smcphy_methods[] = {
60 /* device interface */
61 DEVMETHOD(device_probe, smcphy_probe),
62 DEVMETHOD(device_attach, smcphy_attach),
63 DEVMETHOD(device_detach, mii_phy_detach),
64 DEVMETHOD(device_shutdown, bus_generic_shutdown),
65 DEVMETHOD_END

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71 "smcphy",
72 smcphy_methods,
73 sizeof(struct mii_softc)
74};
75
76DRIVER_MODULE(smcphy, miibus, smcphy_driver, smcphy_devclass, 0, 0);
77
78static const struct mii_phydesc smcphys[] = {
59
60static device_method_t smcphy_methods[] = {
61 /* device interface */
62 DEVMETHOD(device_probe, smcphy_probe),
63 DEVMETHOD(device_attach, smcphy_attach),
64 DEVMETHOD(device_detach, mii_phy_detach),
65 DEVMETHOD(device_shutdown, bus_generic_shutdown),
66 DEVMETHOD_END

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72 "smcphy",
73 smcphy_methods,
74 sizeof(struct mii_softc)
75};
76
77DRIVER_MODULE(smcphy, miibus, smcphy_driver, smcphy_devclass, 0, 0);
78
79static const struct mii_phydesc smcphys[] = {
80 MII_PHY_DESC(SEEQ, 80220),
79 MII_PHY_DESC(SEEQ, 84220),
80 MII_PHY_END
81};
82
81 MII_PHY_DESC(SEEQ, 84220),
82 MII_PHY_END
83};
84
85static const struct mii_phy_funcs smcphy80220_funcs = {
86 smcphy_service,
87 smcphy_status,
88 mii_phy_reset
89};
90
83static const struct mii_phy_funcs smcphy_funcs = {
84 smcphy_service,
91static const struct mii_phy_funcs smcphy_funcs = {
92 smcphy_service,
85 ukphy_status,
93 smcphy_status,
86 smcphy_reset
87};
88
89static int
90smcphy_probe(device_t dev)
91{
92
93 return (mii_phy_dev_probe(dev, smcphys, BUS_PROBE_DEFAULT));
94}
95
96static int
97smcphy_attach(device_t dev)
98{
99 struct mii_softc *sc;
94 smcphy_reset
95};
96
97static int
98smcphy_probe(device_t dev)
99{
100
101 return (mii_phy_dev_probe(dev, smcphys, BUS_PROBE_DEFAULT));
102}
103
104static int
105smcphy_attach(device_t dev)
106{
107 struct mii_softc *sc;
108 struct mii_attach_args *ma;
109 const struct mii_phy_funcs *mpf;
100
101 sc = device_get_softc(dev);
110
111 sc = device_get_softc(dev);
102
103 mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE,
104 &smcphy_funcs, 1);
112 ma = device_get_ivars(dev);
113 if (MII_MODEL(ma->mii_id2) == MII_MODEL_SEEQ_80220)
114 mpf = &smcphy80220_funcs;
115 else
116 mpf = &smcphy_funcs;
117 mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE, mpf, 1);
105 mii_phy_setmedia(sc);
106
107 return (0);
108}
109
110static int
111smcphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
112{

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209 anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
210 if ((media & IFM_FLOW) != 0 || (sc->mii_flags & MIIF_FORCEPAUSE) != 0)
211 anar |= ANAR_FC;
212 PHY_WRITE(sc, MII_ANAR, anar);
213 /* Apparently this helps. */
214 anar = PHY_READ(sc, MII_ANAR);
215 PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_STARTNEG);
216}
118 mii_phy_setmedia(sc);
119
120 return (0);
121}
122
123static int
124smcphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
125{

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222 anar = BMSR_MEDIA_TO_ANAR(sc->mii_capabilities) | ANAR_CSMA;
223 if ((media & IFM_FLOW) != 0 || (sc->mii_flags & MIIF_FORCEPAUSE) != 0)
224 anar |= ANAR_FC;
225 PHY_WRITE(sc, MII_ANAR, anar);
226 /* Apparently this helps. */
227 anar = PHY_READ(sc, MII_ANAR);
228 PHY_WRITE(sc, MII_BMCR, BMCR_AUTOEN | BMCR_STARTNEG);
229}
230
231static void
232smcphy_status(struct mii_softc *sc)
233{
234 struct mii_data *mii;
235 uint32_t bmcr, bmsr, status;
236
237 mii = sc->mii_pdata;
238 mii->mii_media_status = IFM_AVALID;
239 mii->mii_media_active = IFM_ETHER;
240
241 bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
242 if ((bmsr & BMSR_LINK) != 0)
243 mii->mii_media_status |= IFM_ACTIVE;
244
245 bmcr = PHY_READ(sc, MII_BMCR);
246 if ((bmcr & BMCR_ISO) != 0) {
247 mii->mii_media_active |= IFM_NONE;
248 mii->mii_media_status = 0;
249 return;
250 }
251
252 if ((bmcr & BMCR_LOOP) != 0)
253 mii->mii_media_active |= IFM_LOOP;
254
255 if ((bmcr & BMCR_AUTOEN) != 0) {
256 if ((bmsr & BMSR_ACOMP) == 0) {
257 /* Erg, still trying, I guess... */
258 mii->mii_media_active |= IFM_NONE;
259 return;
260 }
261 }
262
263 status = PHY_READ(sc, 0x12);
264 if (status & 0x0080)
265 mii->mii_media_active |= IFM_100_TX;
266 else
267 mii->mii_media_active |= IFM_10_T;
268 if (status & 0x0040)
269 mii->mii_media_active |= IFM_FDX | mii_phy_flowstatus(sc);
270 else
271 mii->mii_media_active |= IFM_HDX;
272}