1/* $NetBSD: gentbi.c,v 1.15 2006/03/29 07:05:24 thorpej Exp $ */
2
3/*-
4 * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 *
45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
46 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
47 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
48 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
49 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
50 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
51 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
52 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
53 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
54 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55 */
56
57/*
58 * Driver for generic ten-bit (1000BASE-SX) interfaces, built into
59 * many Gigabit Ethernet chips.
60 *
61 * All we have to do here is correctly report speed and duplex.
62 */
63
64#include <sys/cdefs.h>
65__FBSDID("$FreeBSD: head/sys/dev/mii/gentbi.c 215714 2010-11-22 21:20:11Z marius $");
66
67/*
68 * Driver for generic unknown ten-bit interfaces(1000BASE-{LX,SX}
69 * fiber interfaces).
70 */
71
72#include <sys/param.h>
73#include <sys/systm.h>
74#include <sys/kernel.h>
75#include <sys/module.h>
76#include <sys/socket.h>
77#include <sys/errno.h>
78#include <sys/bus.h>
79
80#include <net/if.h>
81#include <net/if_media.h>
82
83#include <dev/mii/mii.h>
84#include <dev/mii/miivar.h>
85#include "miidevs.h"
86
87#include "miibus_if.h"
88
89static int gentbi_probe(device_t);
90static int gentbi_attach(device_t);
91
92static device_method_t gentbi_methods[] = {
93 /* device interface */
94 DEVMETHOD(device_probe, gentbi_probe),
95 DEVMETHOD(device_attach, gentbi_attach),
96 DEVMETHOD(device_detach, mii_phy_detach),
97 DEVMETHOD(device_shutdown, bus_generic_shutdown),
98 {0, 0}
99};
100
101static devclass_t gentbi_devclass;
102
103static driver_t gentbi_driver = {
104 "gentbi",
105 gentbi_methods,
106 sizeof(struct mii_softc)
107};
108
109DRIVER_MODULE(gentbi, miibus, gentbi_driver, gentbi_devclass, 0, 0);
110
111static int gentbi_service(struct mii_softc *, struct mii_data *, int);
112static void gentbi_status(struct mii_softc *);
113
114static int
115gentbi_probe(device_t dev)
116{
117 device_t parent;
118 struct mii_attach_args *ma;
119 int bmsr, extsr;
120
121 parent = device_get_parent(dev);
122 ma = device_get_ivars(dev);
123
124 /*
125 * We match as a generic TBI if:
126 *
127 * - There is no media in the BMSR.
128 * - EXTSR has only 1000X.
129 */
130 bmsr = MIIBUS_READREG(parent, ma->mii_phyno, MII_BMSR);
131 if ((bmsr & BMSR_EXTSTAT) == 0 || (bmsr & BMSR_MEDIAMASK) != 0)
132 return (ENXIO);
133
134 extsr = MIIBUS_READREG(parent, ma->mii_phyno, MII_EXTSR);
135 if (extsr & (EXTSR_1000TFDX|EXTSR_1000THDX))
136 return (ENXIO);
137
138 if (extsr & (EXTSR_1000XFDX|EXTSR_1000XHDX)) {
139 /*
140 * We think this is a generic TBI. Return a match
141 * priority higher than ukphy, but lower than what
142 * specific drivers will return.
143 */
144 device_set_desc(dev, "Generic ten-bit interface");
145 return (BUS_PROBE_LOW_PRIORITY);
146 }
147
148 return (ENXIO);
149}
150
151static int
152gentbi_attach(device_t dev)
153{
154 struct mii_softc *sc;
155 struct mii_attach_args *ma;
156 struct mii_data *mii;
157
158 sc = device_get_softc(dev);
159 ma = device_get_ivars(dev);
160 sc->mii_dev = device_get_parent(dev);
161 mii = ma->mii_data;
162 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
163
164 if (bootverbose)
165 device_printf(dev, "OUI 0x%06x, model 0x%04x, rev. %d\n",
166 MII_OUI(ma->mii_id1, ma->mii_id2),
167 MII_MODEL(ma->mii_id2), MII_REV(ma->mii_id2));
168
169 sc->mii_flags = miibus_get_flags(dev);
170 sc->mii_inst = mii->mii_instance++;
171 sc->mii_phy = ma->mii_phyno;
172 sc->mii_service = gentbi_service;
173 sc->mii_pdata = mii;
174
175 sc->mii_flags |= MIIF_NOMANPAUSE;
176
177 mii_phy_reset(sc);
178
179 /*
180 * Mask out all media in the BMSR. We only are really interested
181 * in "auto".
182 */
183 sc->mii_capabilities =
184 PHY_READ(sc, MII_BMSR) & ma->mii_capmask & ~BMSR_MEDIAMASK;
185 if (sc->mii_capabilities & BMSR_EXTSTAT)
186 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
187
188 device_printf(dev, " ");
189 mii_phy_add_media(sc);
190 printf("\n");
191
192 MIIBUS_MEDIAINIT(sc->mii_dev);
193 return (0);
194}
195
196static int
197gentbi_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
198{
199
200 switch (cmd) {
201 case MII_POLLSTAT:
202 break;
203
204 case MII_MEDIACHG:
205 /*
206 * If the interface is not up, don't do anything.
207 */
208 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
209 break;
210
211 mii_phy_setmedia(sc);
212 break;
213
214 case MII_TICK:
215 if (mii_phy_tick(sc) == EJUSTRETURN)
216 return (0);
217 break;
218 }
219
220 /* Update the media status. */
221 gentbi_status(sc);
222
223 /* Callback if something changed. */
224 mii_phy_update(sc, cmd);
225 return (0);
226}
227
228static void
229gentbi_status(struct mii_softc *sc)
230{
231 struct mii_data *mii = sc->mii_pdata;
232 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
233 int bmsr, bmcr, anlpar;
234
235 mii->mii_media_status = IFM_AVALID;
236 mii->mii_media_active = IFM_ETHER;
237
238 bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
239
240 if (bmsr & BMSR_LINK)
241 mii->mii_media_status |= IFM_ACTIVE;
242
243 bmcr = PHY_READ(sc, MII_BMCR);
244 if (bmcr & BMCR_ISO) {
245 mii->mii_media_active |= IFM_NONE;
246 mii->mii_media_status = 0;
247 return;
248 }
249
250 if (bmcr & BMCR_LOOP)
251 mii->mii_media_active |= IFM_LOOP;
252
253 if (bmcr & BMCR_AUTOEN) {
254 /*
255 * The media status bits are only valid if autonegotiation
256 * has completed (or it's disabled).
257 */
258 if ((bmsr & BMSR_ACOMP) == 0) {
259 /* Erg, still trying, I guess... */
260 mii->mii_media_active |= IFM_NONE;
261 return;
262 }
263
264 /*
265 * The media is always 1000baseSX. Check the ANLPAR to
266 * see if we're doing full-duplex.
267 */
268 mii->mii_media_active |= IFM_1000_SX;
269 anlpar = PHY_READ(sc, MII_ANLPAR);
270 if ((sc->mii_extcapabilities & EXTSR_1000XFDX) != 0 &&
271 (anlpar & ANLPAR_X_FD) != 0)
272 mii->mii_media_active |=
273 IFM_FDX | mii_phy_flowstatus(sc);
274 else
275 mii->mii_media_active |= IFM_HDX;
276 } else
277 mii->mii_media_active = ife->ifm_media;
278}
2
3/*-
4 * Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 *
45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
46 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
47 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
48 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
49 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
50 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
51 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
52 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
53 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
54 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55 */
56
57/*
58 * Driver for generic ten-bit (1000BASE-SX) interfaces, built into
59 * many Gigabit Ethernet chips.
60 *
61 * All we have to do here is correctly report speed and duplex.
62 */
63
64#include <sys/cdefs.h>
65__FBSDID("$FreeBSD: head/sys/dev/mii/gentbi.c 215714 2010-11-22 21:20:11Z marius $");
66
67/*
68 * Driver for generic unknown ten-bit interfaces(1000BASE-{LX,SX}
69 * fiber interfaces).
70 */
71
72#include <sys/param.h>
73#include <sys/systm.h>
74#include <sys/kernel.h>
75#include <sys/module.h>
76#include <sys/socket.h>
77#include <sys/errno.h>
78#include <sys/bus.h>
79
80#include <net/if.h>
81#include <net/if_media.h>
82
83#include <dev/mii/mii.h>
84#include <dev/mii/miivar.h>
85#include "miidevs.h"
86
87#include "miibus_if.h"
88
89static int gentbi_probe(device_t);
90static int gentbi_attach(device_t);
91
92static device_method_t gentbi_methods[] = {
93 /* device interface */
94 DEVMETHOD(device_probe, gentbi_probe),
95 DEVMETHOD(device_attach, gentbi_attach),
96 DEVMETHOD(device_detach, mii_phy_detach),
97 DEVMETHOD(device_shutdown, bus_generic_shutdown),
98 {0, 0}
99};
100
101static devclass_t gentbi_devclass;
102
103static driver_t gentbi_driver = {
104 "gentbi",
105 gentbi_methods,
106 sizeof(struct mii_softc)
107};
108
109DRIVER_MODULE(gentbi, miibus, gentbi_driver, gentbi_devclass, 0, 0);
110
111static int gentbi_service(struct mii_softc *, struct mii_data *, int);
112static void gentbi_status(struct mii_softc *);
113
114static int
115gentbi_probe(device_t dev)
116{
117 device_t parent;
118 struct mii_attach_args *ma;
119 int bmsr, extsr;
120
121 parent = device_get_parent(dev);
122 ma = device_get_ivars(dev);
123
124 /*
125 * We match as a generic TBI if:
126 *
127 * - There is no media in the BMSR.
128 * - EXTSR has only 1000X.
129 */
130 bmsr = MIIBUS_READREG(parent, ma->mii_phyno, MII_BMSR);
131 if ((bmsr & BMSR_EXTSTAT) == 0 || (bmsr & BMSR_MEDIAMASK) != 0)
132 return (ENXIO);
133
134 extsr = MIIBUS_READREG(parent, ma->mii_phyno, MII_EXTSR);
135 if (extsr & (EXTSR_1000TFDX|EXTSR_1000THDX))
136 return (ENXIO);
137
138 if (extsr & (EXTSR_1000XFDX|EXTSR_1000XHDX)) {
139 /*
140 * We think this is a generic TBI. Return a match
141 * priority higher than ukphy, but lower than what
142 * specific drivers will return.
143 */
144 device_set_desc(dev, "Generic ten-bit interface");
145 return (BUS_PROBE_LOW_PRIORITY);
146 }
147
148 return (ENXIO);
149}
150
151static int
152gentbi_attach(device_t dev)
153{
154 struct mii_softc *sc;
155 struct mii_attach_args *ma;
156 struct mii_data *mii;
157
158 sc = device_get_softc(dev);
159 ma = device_get_ivars(dev);
160 sc->mii_dev = device_get_parent(dev);
161 mii = ma->mii_data;
162 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
163
164 if (bootverbose)
165 device_printf(dev, "OUI 0x%06x, model 0x%04x, rev. %d\n",
166 MII_OUI(ma->mii_id1, ma->mii_id2),
167 MII_MODEL(ma->mii_id2), MII_REV(ma->mii_id2));
168
169 sc->mii_flags = miibus_get_flags(dev);
170 sc->mii_inst = mii->mii_instance++;
171 sc->mii_phy = ma->mii_phyno;
172 sc->mii_service = gentbi_service;
173 sc->mii_pdata = mii;
174
175 sc->mii_flags |= MIIF_NOMANPAUSE;
176
177 mii_phy_reset(sc);
178
179 /*
180 * Mask out all media in the BMSR. We only are really interested
181 * in "auto".
182 */
183 sc->mii_capabilities =
184 PHY_READ(sc, MII_BMSR) & ma->mii_capmask & ~BMSR_MEDIAMASK;
185 if (sc->mii_capabilities & BMSR_EXTSTAT)
186 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
187
188 device_printf(dev, " ");
189 mii_phy_add_media(sc);
190 printf("\n");
191
192 MIIBUS_MEDIAINIT(sc->mii_dev);
193 return (0);
194}
195
196static int
197gentbi_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
198{
199
200 switch (cmd) {
201 case MII_POLLSTAT:
202 break;
203
204 case MII_MEDIACHG:
205 /*
206 * If the interface is not up, don't do anything.
207 */
208 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
209 break;
210
211 mii_phy_setmedia(sc);
212 break;
213
214 case MII_TICK:
215 if (mii_phy_tick(sc) == EJUSTRETURN)
216 return (0);
217 break;
218 }
219
220 /* Update the media status. */
221 gentbi_status(sc);
222
223 /* Callback if something changed. */
224 mii_phy_update(sc, cmd);
225 return (0);
226}
227
228static void
229gentbi_status(struct mii_softc *sc)
230{
231 struct mii_data *mii = sc->mii_pdata;
232 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
233 int bmsr, bmcr, anlpar;
234
235 mii->mii_media_status = IFM_AVALID;
236 mii->mii_media_active = IFM_ETHER;
237
238 bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
239
240 if (bmsr & BMSR_LINK)
241 mii->mii_media_status |= IFM_ACTIVE;
242
243 bmcr = PHY_READ(sc, MII_BMCR);
244 if (bmcr & BMCR_ISO) {
245 mii->mii_media_active |= IFM_NONE;
246 mii->mii_media_status = 0;
247 return;
248 }
249
250 if (bmcr & BMCR_LOOP)
251 mii->mii_media_active |= IFM_LOOP;
252
253 if (bmcr & BMCR_AUTOEN) {
254 /*
255 * The media status bits are only valid if autonegotiation
256 * has completed (or it's disabled).
257 */
258 if ((bmsr & BMSR_ACOMP) == 0) {
259 /* Erg, still trying, I guess... */
260 mii->mii_media_active |= IFM_NONE;
261 return;
262 }
263
264 /*
265 * The media is always 1000baseSX. Check the ANLPAR to
266 * see if we're doing full-duplex.
267 */
268 mii->mii_media_active |= IFM_1000_SX;
269 anlpar = PHY_READ(sc, MII_ANLPAR);
270 if ((sc->mii_extcapabilities & EXTSR_1000XFDX) != 0 &&
271 (anlpar & ANLPAR_X_FD) != 0)
272 mii->mii_media_active |=
273 IFM_FDX | mii_phy_flowstatus(sc);
274 else
275 mii->mii_media_active |= IFM_HDX;
276 } else
277 mii->mii_media_active = ife->ifm_media;
278}