1/*-
2 * Copyright (c) 1998, 1999 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 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the NetBSD
20 * Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38/*
39 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. All advertising materials mentioning features or use of this software
50 * must display the following acknowledgement:
51 * This product includes software developed by Manuel Bouyer.
52 * 4. The name of the author may not be used to endorse or promote products
53 * derived from this software without specific prior written permission.
54 *
55 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
56 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
57 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
58 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
59 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
60 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
64 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65 */
66
67/*
68 * Driver for Altima AC101 10/100 PHY
69 */
70
71#include <sys/param.h>
72#include <sys/systm.h>
73#include <sys/kernel.h>
74#include <sys/socket.h>
75#include <sys/errno.h>
76#include <sys/module.h>
77#include <sys/bus.h>
78
79#include <net/if.h>
80#include <net/if_media.h>
81
82#include <dev/mii/mii.h>
83#include <dev/mii/miivar.h>
84#include <dev/mii/miidevs.h>
85
86#include <dev/mii/acphyreg.h>
87
88#include "miibus_if.h"
89
90#if !defined(lint)
91static const char rcsid[] =
| 1/*-
2 * Copyright (c) 1998, 1999 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 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the NetBSD
20 * Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38/*
39 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. All advertising materials mentioning features or use of this software
50 * must display the following acknowledgement:
51 * This product includes software developed by Manuel Bouyer.
52 * 4. The name of the author may not be used to endorse or promote products
53 * derived from this software without specific prior written permission.
54 *
55 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
56 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
57 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
58 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
59 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
60 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
64 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65 */
66
67/*
68 * Driver for Altima AC101 10/100 PHY
69 */
70
71#include <sys/param.h>
72#include <sys/systm.h>
73#include <sys/kernel.h>
74#include <sys/socket.h>
75#include <sys/errno.h>
76#include <sys/module.h>
77#include <sys/bus.h>
78
79#include <net/if.h>
80#include <net/if_media.h>
81
82#include <dev/mii/mii.h>
83#include <dev/mii/miivar.h>
84#include <dev/mii/miidevs.h>
85
86#include <dev/mii/acphyreg.h>
87
88#include "miibus_if.h"
89
90#if !defined(lint)
91static const char rcsid[] =
|
92 "$FreeBSD: head/sys/dev/mii/acphy.c 95667 2002-04-28 19:25:07Z phk $";
| 92 "$FreeBSD: head/sys/dev/mii/acphy.c 95722 2002-04-29 13:07:38Z phk $";
|
93#endif
94
95static int acphy_probe (device_t);
96static int acphy_attach (device_t);
| 93#endif
94
95static int acphy_probe (device_t);
96static int acphy_attach (device_t);
|
97static int acphy_detach (device_t);
| |
98
99static device_method_t acphy_methods[] = {
100 /* device interface */
101 DEVMETHOD(device_probe, acphy_probe),
102 DEVMETHOD(device_attach, acphy_attach),
| 97
98static device_method_t acphy_methods[] = {
99 /* device interface */
100 DEVMETHOD(device_probe, acphy_probe),
101 DEVMETHOD(device_attach, acphy_attach),
|
103 DEVMETHOD(device_detach, acphy_detach),
| 102 DEVMETHOD(device_detach, mii_phy_detach),
|
104 DEVMETHOD(device_shutdown, bus_generic_shutdown),
105 { 0, 0 }
106};
107
108static devclass_t acphy_devclass;
109
110static driver_t acphy_driver = {
111 "acphy",
112 acphy_methods,
113 sizeof(struct mii_softc)
114};
115
116DRIVER_MODULE(acphy, miibus, acphy_driver, acphy_devclass, 0, 0);
117
118static int acphy_service(struct mii_softc *, struct mii_data *, int);
119static void acphy_reset(struct mii_softc *);
120static void acphy_status(struct mii_softc *);
121
122static int acphy_probe(dev)
123 device_t dev;
124{
125 struct mii_attach_args *ma;
126
127 ma = device_get_ivars(dev);
128
129 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxALTIMA &&
130 MII_MODEL(ma->mii_id2) == MII_MODEL_xxALTIMA_AC101) {
131 device_set_desc(dev, MII_STR_xxALTIMA_AC101);
132 } else
133 return (ENXIO);
134
135 return (0);
136}
137
138static int acphy_attach(dev)
139 device_t dev;
140{
141 struct mii_softc *sc;
142 struct mii_attach_args *ma;
143 struct mii_data *mii;
144
145 sc = device_get_softc(dev);
146 ma = device_get_ivars(dev);
147 sc->mii_dev = device_get_parent(dev);
148 mii = device_get_softc(sc->mii_dev);
149 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
150
151 sc->mii_inst = mii->mii_instance;
152 sc->mii_phy = ma->mii_phyno;
153 sc->mii_service = acphy_service;
154 sc->mii_pdata = mii;
155 sc->mii_flags |= MIIF_NOISOLATE;
156
157 acphy_reset(sc);
158
159 mii->mii_instance++;
160
161 sc->mii_capabilities =
162 PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
163 device_printf(dev, " ");
164 mii_add_media(sc);
165 printf("\n");
166
167 MIIBUS_MEDIAINIT(sc->mii_dev);
168 return (0);
169}
170
| 103 DEVMETHOD(device_shutdown, bus_generic_shutdown),
104 { 0, 0 }
105};
106
107static devclass_t acphy_devclass;
108
109static driver_t acphy_driver = {
110 "acphy",
111 acphy_methods,
112 sizeof(struct mii_softc)
113};
114
115DRIVER_MODULE(acphy, miibus, acphy_driver, acphy_devclass, 0, 0);
116
117static int acphy_service(struct mii_softc *, struct mii_data *, int);
118static void acphy_reset(struct mii_softc *);
119static void acphy_status(struct mii_softc *);
120
121static int acphy_probe(dev)
122 device_t dev;
123{
124 struct mii_attach_args *ma;
125
126 ma = device_get_ivars(dev);
127
128 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxALTIMA &&
129 MII_MODEL(ma->mii_id2) == MII_MODEL_xxALTIMA_AC101) {
130 device_set_desc(dev, MII_STR_xxALTIMA_AC101);
131 } else
132 return (ENXIO);
133
134 return (0);
135}
136
137static int acphy_attach(dev)
138 device_t dev;
139{
140 struct mii_softc *sc;
141 struct mii_attach_args *ma;
142 struct mii_data *mii;
143
144 sc = device_get_softc(dev);
145 ma = device_get_ivars(dev);
146 sc->mii_dev = device_get_parent(dev);
147 mii = device_get_softc(sc->mii_dev);
148 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
149
150 sc->mii_inst = mii->mii_instance;
151 sc->mii_phy = ma->mii_phyno;
152 sc->mii_service = acphy_service;
153 sc->mii_pdata = mii;
154 sc->mii_flags |= MIIF_NOISOLATE;
155
156 acphy_reset(sc);
157
158 mii->mii_instance++;
159
160 sc->mii_capabilities =
161 PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
162 device_printf(dev, " ");
163 mii_add_media(sc);
164 printf("\n");
165
166 MIIBUS_MEDIAINIT(sc->mii_dev);
167 return (0);
168}
169
|
171static int acphy_detach(dev)
172 device_t dev;
173{
174 struct mii_softc *sc;
175 struct mii_data *mii;
176
177 sc = device_get_softc(dev);
178 mii = device_get_softc(device_get_parent(dev));
179 sc->mii_dev = NULL;
180 LIST_REMOVE(sc, mii_list);
181
182 return(0);
183}
184
| |
185static int
186acphy_service(sc, mii, cmd)
187 struct mii_softc *sc;
188 struct mii_data *mii;
189 int cmd;
190{
191 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
192 int reg;
193
194 switch (cmd) {
195 case MII_POLLSTAT:
196 /*
197 * If we're not polling our PHY instance, just return.
198 */
199 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
200 return (0);
201 break;
202
203 case MII_MEDIACHG:
204 /*
205 * If the media indicates a different PHY instance,
206 * isolate ourselves.
207 */
208 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
209 reg = PHY_READ(sc, MII_BMCR);
210 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO | BMCR_PDOWN);
211 return (0);
212 }
213
214 /*
215 * If the interface is not up, don't do anything.
216 */
217 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
218 break;
219
220 /* Wake & deisolate up is needed */
221 reg = PHY_READ(sc, MII_BMCR);
222 if (reg & (BMCR_ISO | BMCR_PDOWN))
223 PHY_WRITE(sc, MII_BMCR, reg & ~(BMCR_ISO | BMCR_PDOWN));
224
225 switch (IFM_SUBTYPE(ife->ifm_media)) {
226 case IFM_AUTO:
227 /*
228 * If we're already in auto mode, just return.
229 */
230 if (PHY_READ(sc, MII_BMCR) & BMCR_AUTOEN)
231 return (0);
232
233 (void) mii_phy_auto(sc, 1);
234 break;
235
236 default:
237 /*
238 * BMCR data is stored in the ifmedia entry.
239 */
240 PHY_WRITE(sc, MII_ANAR,
241 mii_anar(ife->ifm_media));
242 PHY_WRITE(sc, MII_BMCR, ife->ifm_data);
243 }
244 break;
245
246 case MII_TICK:
247 /*
248 * If we're not currently selected, just return.
249 */
250 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
251 return (0);
252
253 /*
254 * Is the interface even up?
255 */
256 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
257 return (0);
258
259 /*
260 * Only used for autonegotiation.
261 */
262 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
263 break;
264
265 /*
266 * check for link.
267 * Read the status register twice; BMSR_LINK is latch-low.
268 */
269 reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
270 if (reg & BMSR_LINK)
271 break;
272
273 /*
274 * Only retry autonegotiation every 5 seconds.
275 */
276 if (++sc->mii_ticks != 5)
277 return (0);
278
279 sc->mii_ticks = 0;
280 acphy_reset(sc);
281 if (mii_phy_auto(sc, 0) == EJUSTRETURN)
282 return (0);
283 break;
284 }
285
286 /* Update the media status. */
287 acphy_status(sc);
288
289 /* Callback if something changed. */
290 mii_phy_update(sc, cmd);
291 return (0);
292}
293
294static void
295acphy_status(sc)
296 struct mii_softc *sc;
297{
298 struct mii_data *mii = sc->mii_pdata;
299 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
300 int bmsr, bmcr, diag;
301
302 mii->mii_media_status = IFM_AVALID;
303 mii->mii_media_active = IFM_ETHER;
304
305 bmsr = PHY_READ(sc, MII_BMSR) |
306 PHY_READ(sc, MII_BMSR);
307 if (bmsr & BMSR_LINK)
308 mii->mii_media_status |= IFM_ACTIVE;
309
310 bmcr = PHY_READ(sc, MII_BMCR);
311 if (bmcr & BMCR_ISO) {
312 mii->mii_media_active |= IFM_NONE;
313 mii->mii_media_status = 0;
314 return;
315 }
316
317 if (bmcr & BMCR_LOOP)
318 mii->mii_media_active |= IFM_LOOP;
319
320 if (bmcr & BMCR_AUTOEN) {
321 if ((bmsr & BMSR_ACOMP) == 0) {
322 /* Erg, still trying, I guess... */
323 mii->mii_media_active |= IFM_NONE;
324 return;
325 }
326 diag = PHY_READ(sc, MII_ACPHY_DIAG) |
327 PHY_READ(sc, MII_ACPHY_DIAG);
328 if (diag & AC_DIAG_SPEED)
329 mii->mii_media_active |= IFM_100_TX;
330 else
331 mii->mii_media_active |= IFM_10_T;
332
333 if (diag & AC_DIAG_DUPLEX)
334 mii->mii_media_active |= IFM_FDX;
335 } else
336 mii->mii_media_active = ife->ifm_media;
337}
338
339static void
340acphy_reset(sc)
341 struct mii_softc *sc;
342{
343
344 mii_phy_reset(sc);
345 PHY_WRITE(sc, MII_ACPHY_INT, 0);
346}
| 170static int
171acphy_service(sc, mii, cmd)
172 struct mii_softc *sc;
173 struct mii_data *mii;
174 int cmd;
175{
176 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
177 int reg;
178
179 switch (cmd) {
180 case MII_POLLSTAT:
181 /*
182 * If we're not polling our PHY instance, just return.
183 */
184 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
185 return (0);
186 break;
187
188 case MII_MEDIACHG:
189 /*
190 * If the media indicates a different PHY instance,
191 * isolate ourselves.
192 */
193 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
194 reg = PHY_READ(sc, MII_BMCR);
195 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO | BMCR_PDOWN);
196 return (0);
197 }
198
199 /*
200 * If the interface is not up, don't do anything.
201 */
202 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
203 break;
204
205 /* Wake & deisolate up is needed */
206 reg = PHY_READ(sc, MII_BMCR);
207 if (reg & (BMCR_ISO | BMCR_PDOWN))
208 PHY_WRITE(sc, MII_BMCR, reg & ~(BMCR_ISO | BMCR_PDOWN));
209
210 switch (IFM_SUBTYPE(ife->ifm_media)) {
211 case IFM_AUTO:
212 /*
213 * If we're already in auto mode, just return.
214 */
215 if (PHY_READ(sc, MII_BMCR) & BMCR_AUTOEN)
216 return (0);
217
218 (void) mii_phy_auto(sc, 1);
219 break;
220
221 default:
222 /*
223 * BMCR data is stored in the ifmedia entry.
224 */
225 PHY_WRITE(sc, MII_ANAR,
226 mii_anar(ife->ifm_media));
227 PHY_WRITE(sc, MII_BMCR, ife->ifm_data);
228 }
229 break;
230
231 case MII_TICK:
232 /*
233 * If we're not currently selected, just return.
234 */
235 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
236 return (0);
237
238 /*
239 * Is the interface even up?
240 */
241 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
242 return (0);
243
244 /*
245 * Only used for autonegotiation.
246 */
247 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
248 break;
249
250 /*
251 * check for link.
252 * Read the status register twice; BMSR_LINK is latch-low.
253 */
254 reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
255 if (reg & BMSR_LINK)
256 break;
257
258 /*
259 * Only retry autonegotiation every 5 seconds.
260 */
261 if (++sc->mii_ticks != 5)
262 return (0);
263
264 sc->mii_ticks = 0;
265 acphy_reset(sc);
266 if (mii_phy_auto(sc, 0) == EJUSTRETURN)
267 return (0);
268 break;
269 }
270
271 /* Update the media status. */
272 acphy_status(sc);
273
274 /* Callback if something changed. */
275 mii_phy_update(sc, cmd);
276 return (0);
277}
278
279static void
280acphy_status(sc)
281 struct mii_softc *sc;
282{
283 struct mii_data *mii = sc->mii_pdata;
284 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
285 int bmsr, bmcr, diag;
286
287 mii->mii_media_status = IFM_AVALID;
288 mii->mii_media_active = IFM_ETHER;
289
290 bmsr = PHY_READ(sc, MII_BMSR) |
291 PHY_READ(sc, MII_BMSR);
292 if (bmsr & BMSR_LINK)
293 mii->mii_media_status |= IFM_ACTIVE;
294
295 bmcr = PHY_READ(sc, MII_BMCR);
296 if (bmcr & BMCR_ISO) {
297 mii->mii_media_active |= IFM_NONE;
298 mii->mii_media_status = 0;
299 return;
300 }
301
302 if (bmcr & BMCR_LOOP)
303 mii->mii_media_active |= IFM_LOOP;
304
305 if (bmcr & BMCR_AUTOEN) {
306 if ((bmsr & BMSR_ACOMP) == 0) {
307 /* Erg, still trying, I guess... */
308 mii->mii_media_active |= IFM_NONE;
309 return;
310 }
311 diag = PHY_READ(sc, MII_ACPHY_DIAG) |
312 PHY_READ(sc, MII_ACPHY_DIAG);
313 if (diag & AC_DIAG_SPEED)
314 mii->mii_media_active |= IFM_100_TX;
315 else
316 mii->mii_media_active |= IFM_10_T;
317
318 if (diag & AC_DIAG_DUPLEX)
319 mii->mii_media_active |= IFM_FDX;
320 } else
321 mii->mii_media_active = ife->ifm_media;
322}
323
324static void
325acphy_reset(sc)
326 struct mii_softc *sc;
327{
328
329 mii_phy_reset(sc);
330 PHY_WRITE(sc, MII_ACPHY_INT, 0);
331}
|