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inphy.c (119418) inphy.c (129876)
1/*-
2 * Copyright (c) 2001 Jonathan Lemon
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 */
30
31#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2001 Jonathan Lemon
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD: head/sys/dev/mii/inphy.c 119418 2003-08-24 17:55:58Z obrien $");
32__FBSDID("$FreeBSD: head/sys/dev/mii/inphy.c 129876 2004-05-30 17:57:46Z phk $");
33
34/*
35 * driver for Intel 82553 and 82555 PHYs
36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/kernel.h>
33
34/*
35 * driver for Intel 82553 and 82555 PHYs
36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/kernel.h>
41#include <sys/module.h>
41#include <sys/socket.h>
42#include <sys/bus.h>
43
44#include <net/if.h>
45#include <net/if_media.h>
46
47#include <dev/mii/mii.h>
48#include <dev/mii/miivar.h>
49#include "miidevs.h"
50
51#include <dev/mii/inphyreg.h>
52
53#include "miibus_if.h"
54
55static int inphy_probe(device_t dev);
56static int inphy_attach(device_t dev);
57
58static device_method_t inphy_methods[] = {
59 /* device interface */
60 DEVMETHOD(device_probe, inphy_probe),
61 DEVMETHOD(device_attach, inphy_attach),
62 DEVMETHOD(device_detach, mii_phy_detach),
63 DEVMETHOD(device_shutdown, bus_generic_shutdown),
64 { 0, 0 }
65};
66
67static devclass_t inphy_devclass;
68
69static driver_t inphy_driver = {
70 "inphy",
71 inphy_methods,
72 sizeof(struct mii_softc)
73};
74
75DRIVER_MODULE(inphy, miibus, inphy_driver, inphy_devclass, 0, 0);
76
77static int inphy_service(struct mii_softc *, struct mii_data *, int);
78static void inphy_status(struct mii_softc *);
79
80static int
81inphy_probe(device_t dev)
82{
83 struct mii_attach_args *ma;
84
85 ma = device_get_ivars(dev);
86
87 /* Intel 82553 A/B steppings */
88 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxINTEL &&
89 MII_MODEL(ma->mii_id2) == MII_MODEL_xxINTEL_I82553AB) {
90 device_set_desc(dev, MII_STR_xxINTEL_I82553AB);
91 return (0);
92 }
93
94 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_INTEL) {
95 switch (MII_MODEL(ma->mii_id2)) {
96 case MII_MODEL_INTEL_I82555:
97 device_set_desc(dev, MII_STR_INTEL_I82555);
98 return (0);
99 case MII_MODEL_INTEL_I82553C:
100 device_set_desc(dev, MII_STR_INTEL_I82553C);
101 return (0);
102 case MII_MODEL_INTEL_I82562EM:
103 device_set_desc(dev, MII_STR_INTEL_I82562EM);
104 return (0);
105 case MII_MODEL_INTEL_I82562ET:
106 device_set_desc(dev, MII_STR_INTEL_I82562ET);
107 return (0);
108 }
109 }
110
111 return (ENXIO);
112}
113
114static int
115inphy_attach(device_t dev)
116{
117 struct mii_softc *sc;
118 struct mii_attach_args *ma;
119 struct mii_data *mii;
120
121 sc = device_get_softc(dev);
122 ma = device_get_ivars(dev);
123 sc->mii_dev = device_get_parent(dev);
124 mii = device_get_softc(sc->mii_dev);
125 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
126
127 sc->mii_inst = mii->mii_instance;
128 sc->mii_phy = ma->mii_phyno;
129 sc->mii_service = inphy_service;
130 sc->mii_pdata = mii;
131 mii->mii_instance++;
132
133#if 0
134 sc->mii_flags |= MIIF_NOISOLATE;
135#endif
136
137 ifmedia_add(&mii->mii_media,
138 IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
139 BMCR_LOOP|BMCR_S100, NULL);
140
141 mii_phy_reset(sc);
142
143 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
144 device_printf(dev, " ");
145 mii_phy_add_media(sc);
146 printf("\n");
147
148 MIIBUS_MEDIAINIT(sc->mii_dev);
149
150 return (0);
151}
152
153static int
154inphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
155{
156 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
157 int reg;
158
159 switch (cmd) {
160 case MII_POLLSTAT:
161 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
162 return (0);
163 break;
164
165 case MII_MEDIACHG:
166 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
167 reg = PHY_READ(sc, MII_BMCR);
168 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
169 return (0);
170 }
171
172 /*
173 * If the interface is not up, don't do anything.
174 */
175 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
176 break;
177
178 mii_phy_setmedia(sc);
179 break;
180
181 case MII_TICK:
182 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
183 return (0);
184 if (mii_phy_tick(sc) == EJUSTRETURN)
185 return (0);
186 break;
187 }
188
189 /* Update the media status. */
190 inphy_status(sc);
191
192 /* Callback if something changed. */
193 mii_phy_update(sc, cmd);
194 return (0);
195}
196
197static void
198inphy_status(struct mii_softc *sc)
199{
200 struct mii_data *mii = sc->mii_pdata;
201 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
202 int bmsr, bmcr, scr;
203
204 mii->mii_media_status = IFM_AVALID;
205 mii->mii_media_active = IFM_ETHER;
206
207 bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
208 if (bmsr & BMSR_LINK)
209 mii->mii_media_status |= IFM_ACTIVE;
210
211 bmcr = PHY_READ(sc, MII_BMCR);
212 if (bmcr & BMCR_ISO) {
213 mii->mii_media_active |= IFM_NONE;
214 mii->mii_media_status = 0;
215 return;
216 }
217
218 if (bmcr & BMCR_LOOP)
219 mii->mii_media_active |= IFM_LOOP;
220
221 if (bmcr & BMCR_AUTOEN) {
222 if ((bmsr & BMSR_ACOMP) == 0) {
223 mii->mii_media_active |= IFM_NONE;
224 return;
225 }
226
227 scr = PHY_READ(sc, MII_INPHY_SCR);
228 if (scr & SCR_S100)
229 mii->mii_media_active |= IFM_100_TX;
230 else
231 mii->mii_media_active |= IFM_10_T;
232 if (scr & SCR_FDX)
233 mii->mii_media_active |= IFM_FDX;
234 } else
235 mii->mii_media_active = ife->ifm_media;
236}
42#include <sys/socket.h>
43#include <sys/bus.h>
44
45#include <net/if.h>
46#include <net/if_media.h>
47
48#include <dev/mii/mii.h>
49#include <dev/mii/miivar.h>
50#include "miidevs.h"
51
52#include <dev/mii/inphyreg.h>
53
54#include "miibus_if.h"
55
56static int inphy_probe(device_t dev);
57static int inphy_attach(device_t dev);
58
59static device_method_t inphy_methods[] = {
60 /* device interface */
61 DEVMETHOD(device_probe, inphy_probe),
62 DEVMETHOD(device_attach, inphy_attach),
63 DEVMETHOD(device_detach, mii_phy_detach),
64 DEVMETHOD(device_shutdown, bus_generic_shutdown),
65 { 0, 0 }
66};
67
68static devclass_t inphy_devclass;
69
70static driver_t inphy_driver = {
71 "inphy",
72 inphy_methods,
73 sizeof(struct mii_softc)
74};
75
76DRIVER_MODULE(inphy, miibus, inphy_driver, inphy_devclass, 0, 0);
77
78static int inphy_service(struct mii_softc *, struct mii_data *, int);
79static void inphy_status(struct mii_softc *);
80
81static int
82inphy_probe(device_t dev)
83{
84 struct mii_attach_args *ma;
85
86 ma = device_get_ivars(dev);
87
88 /* Intel 82553 A/B steppings */
89 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxINTEL &&
90 MII_MODEL(ma->mii_id2) == MII_MODEL_xxINTEL_I82553AB) {
91 device_set_desc(dev, MII_STR_xxINTEL_I82553AB);
92 return (0);
93 }
94
95 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_INTEL) {
96 switch (MII_MODEL(ma->mii_id2)) {
97 case MII_MODEL_INTEL_I82555:
98 device_set_desc(dev, MII_STR_INTEL_I82555);
99 return (0);
100 case MII_MODEL_INTEL_I82553C:
101 device_set_desc(dev, MII_STR_INTEL_I82553C);
102 return (0);
103 case MII_MODEL_INTEL_I82562EM:
104 device_set_desc(dev, MII_STR_INTEL_I82562EM);
105 return (0);
106 case MII_MODEL_INTEL_I82562ET:
107 device_set_desc(dev, MII_STR_INTEL_I82562ET);
108 return (0);
109 }
110 }
111
112 return (ENXIO);
113}
114
115static int
116inphy_attach(device_t dev)
117{
118 struct mii_softc *sc;
119 struct mii_attach_args *ma;
120 struct mii_data *mii;
121
122 sc = device_get_softc(dev);
123 ma = device_get_ivars(dev);
124 sc->mii_dev = device_get_parent(dev);
125 mii = device_get_softc(sc->mii_dev);
126 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
127
128 sc->mii_inst = mii->mii_instance;
129 sc->mii_phy = ma->mii_phyno;
130 sc->mii_service = inphy_service;
131 sc->mii_pdata = mii;
132 mii->mii_instance++;
133
134#if 0
135 sc->mii_flags |= MIIF_NOISOLATE;
136#endif
137
138 ifmedia_add(&mii->mii_media,
139 IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_LOOP, sc->mii_inst),
140 BMCR_LOOP|BMCR_S100, NULL);
141
142 mii_phy_reset(sc);
143
144 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
145 device_printf(dev, " ");
146 mii_phy_add_media(sc);
147 printf("\n");
148
149 MIIBUS_MEDIAINIT(sc->mii_dev);
150
151 return (0);
152}
153
154static int
155inphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
156{
157 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
158 int reg;
159
160 switch (cmd) {
161 case MII_POLLSTAT:
162 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
163 return (0);
164 break;
165
166 case MII_MEDIACHG:
167 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
168 reg = PHY_READ(sc, MII_BMCR);
169 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
170 return (0);
171 }
172
173 /*
174 * If the interface is not up, don't do anything.
175 */
176 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
177 break;
178
179 mii_phy_setmedia(sc);
180 break;
181
182 case MII_TICK:
183 if (IFM_INST(ife->ifm_media) != sc->mii_inst)
184 return (0);
185 if (mii_phy_tick(sc) == EJUSTRETURN)
186 return (0);
187 break;
188 }
189
190 /* Update the media status. */
191 inphy_status(sc);
192
193 /* Callback if something changed. */
194 mii_phy_update(sc, cmd);
195 return (0);
196}
197
198static void
199inphy_status(struct mii_softc *sc)
200{
201 struct mii_data *mii = sc->mii_pdata;
202 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
203 int bmsr, bmcr, scr;
204
205 mii->mii_media_status = IFM_AVALID;
206 mii->mii_media_active = IFM_ETHER;
207
208 bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
209 if (bmsr & BMSR_LINK)
210 mii->mii_media_status |= IFM_ACTIVE;
211
212 bmcr = PHY_READ(sc, MII_BMCR);
213 if (bmcr & BMCR_ISO) {
214 mii->mii_media_active |= IFM_NONE;
215 mii->mii_media_status = 0;
216 return;
217 }
218
219 if (bmcr & BMCR_LOOP)
220 mii->mii_media_active |= IFM_LOOP;
221
222 if (bmcr & BMCR_AUTOEN) {
223 if ((bmsr & BMSR_ACOMP) == 0) {
224 mii->mii_media_active |= IFM_NONE;
225 return;
226 }
227
228 scr = PHY_READ(sc, MII_INPHY_SCR);
229 if (scr & SCR_S100)
230 mii->mii_media_active |= IFM_100_TX;
231 else
232 mii->mii_media_active |= IFM_10_T;
233 if (scr & SCR_FDX)
234 mii->mii_media_active |= IFM_FDX;
235 } else
236 mii->mii_media_active = ife->ifm_media;
237}