1/* OpenBSD: qsphy.c,v 1.6 2000/08/26 20:04:18 nate Exp */
2/* NetBSD: qsphy.c,v 1.19 2000/02/02 23:34:57 thorpej Exp */
3
4/*-
5 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
10 * NASA Ames Research Center.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/*-
35 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 *
46 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
47 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
48 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
49 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
50 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
51 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
52 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
53 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
54 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
55 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
56 */
57
58#include <sys/cdefs.h>
|
59__FBSDID("$FreeBSD: head/sys/dev/mii/qsphy.c 213229 2010-09-27 20:31:03Z marius $");
|
| 59__FBSDID("$FreeBSD: head/sys/dev/mii/qsphy.c 213364 2010-10-02 18:53:12Z marius $"); |
60
61/*
62 * driver for Quality Semiconductor's QS6612 ethernet 10/100 PHY
63 * datasheet from www.qualitysemi.com
64 */
65
66#include <sys/param.h>
67#include <sys/systm.h>
68#include <sys/kernel.h>
69#include <sys/socket.h>
70#include <sys/errno.h>
71#include <sys/module.h>
72#include <sys/bus.h>
73
74#include <net/if.h>
75#include <net/if_media.h>
76
77#include <dev/mii/mii.h>
78#include <dev/mii/miivar.h>
79#include "miidevs.h"
80
81#include <dev/mii/qsphyreg.h>
82
83#include "miibus_if.h"
84
85static int qsphy_probe(device_t);
86static int qsphy_attach(device_t);
87
88static device_method_t qsphy_methods[] = {
89 /* device interface */
90 DEVMETHOD(device_probe, qsphy_probe),
91 DEVMETHOD(device_attach, qsphy_attach),
92 DEVMETHOD(device_detach, mii_phy_detach),
93 DEVMETHOD(device_shutdown, bus_generic_shutdown),
94 { 0, 0 }
95};
96
97static devclass_t qsphy_devclass;
98
99static driver_t qsphy_driver = {
100 "qsphy",
101 qsphy_methods,
102 sizeof(struct mii_softc)
103};
104
105DRIVER_MODULE(qsphy, miibus, qsphy_driver, qsphy_devclass, 0, 0);
106
107static int qsphy_service(struct mii_softc *, struct mii_data *, int);
108static void qsphy_reset(struct mii_softc *);
109static void qsphy_status(struct mii_softc *);
110
111static const struct mii_phydesc qsphys[] = {
112 MII_PHY_DESC(QUALSEMI, QS6612),
113 MII_PHY_END
114};
115
116static int
117qsphy_probe(device_t dev)
118{
119
120 return (mii_phy_dev_probe(dev, qsphys, BUS_PROBE_DEFAULT));
121}
122
123static int
124qsphy_attach(device_t dev)
125{
126 struct mii_softc *sc;
127 struct mii_attach_args *ma;
128 struct mii_data *mii;
129
130 sc = device_get_softc(dev);
131 ma = device_get_ivars(dev);
132 sc->mii_dev = device_get_parent(dev);
133 mii = ma->mii_data;
134 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list);
135
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136 sc->mii_inst = mii->mii_instance;
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| 136 sc->mii_inst = mii->mii_instance++; |
137 sc->mii_phy = ma->mii_phyno;
138 sc->mii_service = qsphy_service;
139 sc->mii_pdata = mii;
140
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141 mii->mii_instance++;
142
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141 qsphy_reset(sc);
142
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145 sc->mii_capabilities =
146 PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
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| 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 return (0);
150}
151
152static int
153qsphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
154{
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158 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
159 int reg;
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155
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161 /*
162 * If we're not selected, then do nothing, just isolate, if
163 * changing media.
164 */
165 if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
166 if (cmd == MII_MEDIACHG) {
167 reg = PHY_READ(sc, MII_BMCR);
168 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
169 }
170
171 return (0);
172 }
173
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156 switch (cmd) {
157 case MII_POLLSTAT:
158 break;
159
160 case MII_MEDIACHG:
161 /*
162 * If the interface is not up, don't do anything.
163 */
164 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
165 break;
166
167 mii_phy_setmedia(sc);
168 break;
169
170 case MII_TICK:
171 /*
172 * Is the interface even up?
173 */
174 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
175 return (0);
176
177 /*
178 * This PHY's autonegotiation doesn't need to be kicked.
179 */
180 break;
181 }
182
183 /* Update the media status. */
184 qsphy_status(sc);
185
186 /* Callback if something changed. */
187 mii_phy_update(sc, cmd);
188 return (0);
189}
190
191static void
192qsphy_status(struct mii_softc *sc)
193{
194 struct mii_data *mii = sc->mii_pdata;
195 int bmsr, bmcr, pctl;
196
197 mii->mii_media_status = IFM_AVALID;
198 mii->mii_media_active = IFM_ETHER;
199
200 bmsr = PHY_READ(sc, MII_BMSR) |
201 PHY_READ(sc, MII_BMSR);
202 if (bmsr & BMSR_LINK)
203 mii->mii_media_status |= IFM_ACTIVE;
204
205 bmcr = PHY_READ(sc, MII_BMCR);
206 if (bmcr & BMCR_ISO) {
207 mii->mii_media_active |= IFM_NONE;
208 mii->mii_media_status = 0;
209 return;
210 }
211
212 if (bmcr & BMCR_LOOP)
213 mii->mii_media_active |= IFM_LOOP;
214
215 pctl = PHY_READ(sc, MII_QSPHY_PCTL);
216 switch (pctl & PCTL_OPMASK) {
217 case PCTL_10_T:
218 mii->mii_media_active |= IFM_10_T;
219 break;
220 case PCTL_10_T_FDX:
221 mii->mii_media_active |= IFM_10_T|IFM_FDX;
222 break;
223 case PCTL_100_TX:
224 mii->mii_media_active |= IFM_100_TX;
225 break;
226 case PCTL_100_TX_FDX:
227 mii->mii_media_active |= IFM_100_TX|IFM_FDX;
228 break;
229 case PCTL_100_T4:
230 mii->mii_media_active |= IFM_100_T4;
231 break;
232 case PCTL_AN:
233 mii->mii_media_active |= IFM_NONE;
234 break;
235 default:
236 /* Erg... this shouldn't happen. */
237 mii->mii_media_active |= IFM_NONE;
238 break;
239 }
240}
241
242static void
243qsphy_reset(struct mii_softc *sc)
244{
245
246 mii_phy_reset(sc);
247 PHY_WRITE(sc, MII_QSPHY_IMASK, 0);
248}
|