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bmtphy.c (215720) bmtphy.c (221407)
1/*-
2 * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
7 * NASA Ames Research Center.
8 *

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51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
52 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53 *
54 * from: NetBSD: bmtphy.c,v 1.8 2002/07/03 06:25:50 simonb Exp
55 *
56 */
57
58#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
7 * NASA Ames Research Center.
8 *

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51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
52 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53 *
54 * from: NetBSD: bmtphy.c,v 1.8 2002/07/03 06:25:50 simonb Exp
55 *
56 */
57
58#include <sys/cdefs.h>
59__FBSDID("$FreeBSD: head/sys/dev/mii/bmtphy.c 215720 2010-11-22 22:03:11Z marius $");
59__FBSDID("$FreeBSD: head/sys/dev/mii/bmtphy.c 221407 2011-05-03 19:51:29Z marius $");
60
61/*
62 * Driver for the Broadcom BCM5201/BCM5202 "Mini-Theta" PHYs. This also
63 * drives the PHY on the 3Com 3c905C. The 3c905C's PHY is described in
64 * the 3c905C data sheet.
65 */
66
67#include <sys/param.h>

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80
81#include <dev/mii/bmtphyreg.h>
82
83#include "miibus_if.h"
84
85static int bmtphy_probe(device_t);
86static int bmtphy_attach(device_t);
87
60
61/*
62 * Driver for the Broadcom BCM5201/BCM5202 "Mini-Theta" PHYs. This also
63 * drives the PHY on the 3Com 3c905C. The 3c905C's PHY is described in
64 * the 3c905C data sheet.
65 */
66
67#include <sys/param.h>

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80
81#include <dev/mii/bmtphyreg.h>
82
83#include "miibus_if.h"
84
85static int bmtphy_probe(device_t);
86static int bmtphy_attach(device_t);
87
88struct bmtphy_softc {
89 struct mii_softc mii_sc;
90 int mii_model;
91};
92
93static device_method_t bmtphy_methods[] = {
94 /* Device interface */
95 DEVMETHOD(device_probe, bmtphy_probe),
96 DEVMETHOD(device_attach, bmtphy_attach),
97 DEVMETHOD(device_detach, mii_phy_detach),
98 DEVMETHOD(device_shutdown, bus_generic_shutdown),
99
100 { 0, 0 }
101};
102
103static devclass_t bmtphy_devclass;
104
105static driver_t bmtphy_driver = {
106 "bmtphy",
107 bmtphy_methods,
88static device_method_t bmtphy_methods[] = {
89 /* Device interface */
90 DEVMETHOD(device_probe, bmtphy_probe),
91 DEVMETHOD(device_attach, bmtphy_attach),
92 DEVMETHOD(device_detach, mii_phy_detach),
93 DEVMETHOD(device_shutdown, bus_generic_shutdown),
94
95 { 0, 0 }
96};
97
98static devclass_t bmtphy_devclass;
99
100static driver_t bmtphy_driver = {
101 "bmtphy",
102 bmtphy_methods,
108 sizeof(struct bmtphy_softc)
103 sizeof(struct mii_softc)
109};
110
111DRIVER_MODULE(bmtphy, miibus, bmtphy_driver, bmtphy_devclass, 0, 0);
112
113static int bmtphy_service(struct mii_softc *, struct mii_data *, int);
114static void bmtphy_status(struct mii_softc *);
115static void bmtphy_reset(struct mii_softc *);
116
117static const struct mii_phydesc bmtphys_dp[] = {
104};
105
106DRIVER_MODULE(bmtphy, miibus, bmtphy_driver, bmtphy_devclass, 0, 0);
107
108static int bmtphy_service(struct mii_softc *, struct mii_data *, int);
109static void bmtphy_status(struct mii_softc *);
110static void bmtphy_reset(struct mii_softc *);
111
112static const struct mii_phydesc bmtphys_dp[] = {
118 MII_PHY_DESC(BROADCOM, BCM4401),
119 MII_PHY_DESC(BROADCOM, BCM5201),
120 MII_PHY_DESC(BROADCOM, BCM5214),
121 MII_PHY_DESC(BROADCOM, BCM5221),
122 MII_PHY_DESC(BROADCOM, BCM5222),
113 MII_PHY_DESC(xxBROADCOM, BCM4401),
114 MII_PHY_DESC(xxBROADCOM, BCM5201),
115 MII_PHY_DESC(xxBROADCOM, BCM5214),
116 MII_PHY_DESC(xxBROADCOM, BCM5221),
117 MII_PHY_DESC(xxBROADCOM, BCM5222),
123 MII_PHY_END
124};
125
126static const struct mii_phydesc bmtphys_lp[] = {
118 MII_PHY_END
119};
120
121static const struct mii_phydesc bmtphys_lp[] = {
127 MII_PHY_DESC(BROADCOM, 3C905B),
128 MII_PHY_DESC(BROADCOM, 3C905C),
122 MII_PHY_DESC(xxBROADCOM, 3C905B),
123 MII_PHY_DESC(xxBROADCOM, 3C905C),
129 MII_PHY_END
130};
131
124 MII_PHY_END
125};
126
127static const struct mii_phy_funcs bmtphy_funcs = {
128 bmtphy_service,
129 bmtphy_status,
130 bmtphy_reset
131};
132
132static int
133bmtphy_probe(device_t dev)
134{
135 int rval;
136
137 /* Let exphy(4) take precedence for these. */
138 rval = mii_phy_dev_probe(dev, bmtphys_lp, BUS_PROBE_LOW_PRIORITY);
139 if (rval <= 0)
140 return (rval);
141
142 return (mii_phy_dev_probe(dev, bmtphys_dp, BUS_PROBE_DEFAULT));
143}
144
145static int
146bmtphy_attach(device_t dev)
147{
133static int
134bmtphy_probe(device_t dev)
135{
136 int rval;
137
138 /* Let exphy(4) take precedence for these. */
139 rval = mii_phy_dev_probe(dev, bmtphys_lp, BUS_PROBE_LOW_PRIORITY);
140 if (rval <= 0)
141 return (rval);
142
143 return (mii_phy_dev_probe(dev, bmtphys_dp, BUS_PROBE_DEFAULT));
144}
145
146static int
147bmtphy_attach(device_t dev)
148{
148 struct bmtphy_softc *bsc;
149 struct mii_softc *sc;
150 struct mii_attach_args *ma;
151 struct mii_data *mii;
152
149
153 bsc = device_get_softc(dev);
154 sc = &bsc->mii_sc;
155 ma = device_get_ivars(dev);
156 sc->mii_dev = device_get_parent(dev);
157 mii = ma->mii_data;
158 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
159
160 sc->mii_flags = miibus_get_flags(dev);
161 sc->mii_inst = mii->mii_instance++;
162 sc->mii_phy = ma->mii_phyno;
163 sc->mii_service = bmtphy_service;
164 sc->mii_pdata = mii;
165
166 sc->mii_flags |= MIIF_NOMANPAUSE;
167
168 bsc->mii_model = MII_MODEL(ma->mii_id2);
169
170 bmtphy_reset(sc);
171
172 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
173 device_printf(dev, " ");
174 mii_phy_add_media(sc);
175 printf("\n");
176
177 MIIBUS_MEDIAINIT(sc->mii_dev);
178
150 mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &bmtphy_funcs, 1);
179 return (0);
180}
181
182static int
183bmtphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
184{
185
186 switch (cmd) {

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199
200 case MII_TICK:
201 if (mii_phy_tick(sc) == EJUSTRETURN)
202 return (0);
203 break;
204 }
205
206 /* Update the media status. */
151 return (0);
152}
153
154static int
155bmtphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
156{
157
158 switch (cmd) {

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171
172 case MII_TICK:
173 if (mii_phy_tick(sc) == EJUSTRETURN)
174 return (0);
175 break;
176 }
177
178 /* Update the media status. */
207 bmtphy_status(sc);
179 PHY_STATUS(sc);
208
209 /* Callback if something changed. */
210 mii_phy_update(sc, cmd);
211 return (0);
212}
213
214static void
215bmtphy_status(struct mii_softc *sc)

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262 mii->mii_media_active |= IFM_HDX;
263 } else
264 mii->mii_media_active = ife->ifm_media;
265}
266
267static void
268bmtphy_reset(struct mii_softc *sc)
269{
180
181 /* Callback if something changed. */
182 mii_phy_update(sc, cmd);
183 return (0);
184}
185
186static void
187bmtphy_status(struct mii_softc *sc)

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234 mii->mii_media_active |= IFM_HDX;
235 } else
236 mii->mii_media_active = ife->ifm_media;
237}
238
239static void
240bmtphy_reset(struct mii_softc *sc)
241{
270 struct bmtphy_softc *bsc;
271 u_int16_t data;
272
242 u_int16_t data;
243
273 bsc = (struct bmtphy_softc *)sc;
274
275 mii_phy_reset(sc);
276
244 mii_phy_reset(sc);
245
277 if (bsc->mii_model == MII_MODEL_BROADCOM_BCM5221) {
246 if (sc->mii_mpd_model == MII_MODEL_xxBROADCOM_BCM5221) {
278 /* Enable shadow register mode. */
279 data = PHY_READ(sc, 0x1f);
280 PHY_WRITE(sc, 0x1f, data | 0x0080);
281
282 /* Enable APD (Auto PowerDetect). */
283 data = PHY_READ(sc, MII_BMTPHY_AUX2);
284 PHY_WRITE(sc, MII_BMTPHY_AUX2, data | 0x0020);
285
286 /* Enable clocks across APD for Auto-MDIX functionality. */
287 data = PHY_READ(sc, MII_BMTPHY_INTR);
288 PHY_WRITE(sc, MII_BMTPHY_INTR, data | 0x0004);
289
290 /* Disable shadow register mode. */
291 data = PHY_READ(sc, 0x1f);
292 PHY_WRITE(sc, 0x1f, data & ~0x0080);
293 }
294}
247 /* Enable shadow register mode. */
248 data = PHY_READ(sc, 0x1f);
249 PHY_WRITE(sc, 0x1f, data | 0x0080);
250
251 /* Enable APD (Auto PowerDetect). */
252 data = PHY_READ(sc, MII_BMTPHY_AUX2);
253 PHY_WRITE(sc, MII_BMTPHY_AUX2, data | 0x0020);
254
255 /* Enable clocks across APD for Auto-MDIX functionality. */
256 data = PHY_READ(sc, MII_BMTPHY_INTR);
257 PHY_WRITE(sc, MII_BMTPHY_INTR, data | 0x0004);
258
259 /* Disable shadow register mode. */
260 data = PHY_READ(sc, 0x1f);
261 PHY_WRITE(sc, 0x1f, data & ~0x0080);
262 }
263}