inphy.c revision 1.35 1 1.35 thorpej /* $NetBSD: inphy.c,v 1.35 2003/04/29 01:49:33 thorpej Exp $ */
2 1.1 thorpej
3 1.1 thorpej /*-
4 1.20 thorpej * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
5 1.1 thorpej * All rights reserved.
6 1.1 thorpej *
7 1.1 thorpej * This code is derived from software contributed to The NetBSD Foundation
8 1.1 thorpej * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 1.1 thorpej * NASA Ames Research Center.
10 1.1 thorpej *
11 1.1 thorpej * Redistribution and use in source and binary forms, with or without
12 1.1 thorpej * modification, are permitted provided that the following conditions
13 1.1 thorpej * are met:
14 1.1 thorpej * 1. Redistributions of source code must retain the above copyright
15 1.1 thorpej * notice, this list of conditions and the following disclaimer.
16 1.1 thorpej * 2. Redistributions in binary form must reproduce the above copyright
17 1.1 thorpej * notice, this list of conditions and the following disclaimer in the
18 1.1 thorpej * documentation and/or other materials provided with the distribution.
19 1.1 thorpej * 3. All advertising materials mentioning features or use of this software
20 1.1 thorpej * must display the following acknowledgement:
21 1.1 thorpej * This product includes software developed by the NetBSD
22 1.1 thorpej * Foundation, Inc. and its contributors.
23 1.1 thorpej * 4. Neither the name of The NetBSD Foundation nor the names of its
24 1.1 thorpej * contributors may be used to endorse or promote products derived
25 1.1 thorpej * from this software without specific prior written permission.
26 1.1 thorpej *
27 1.1 thorpej * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 1.1 thorpej * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 1.1 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 1.1 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 1.1 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 1.1 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 1.1 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 1.1 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 1.1 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 1.1 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 1.1 thorpej * POSSIBILITY OF SUCH DAMAGE.
38 1.1 thorpej */
39 1.1 thorpej
40 1.1 thorpej /*
41 1.1 thorpej * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
42 1.1 thorpej *
43 1.1 thorpej * Redistribution and use in source and binary forms, with or without
44 1.1 thorpej * modification, are permitted provided that the following conditions
45 1.1 thorpej * are met:
46 1.1 thorpej * 1. Redistributions of source code must retain the above copyright
47 1.1 thorpej * notice, this list of conditions and the following disclaimer.
48 1.1 thorpej * 2. Redistributions in binary form must reproduce the above copyright
49 1.1 thorpej * notice, this list of conditions and the following disclaimer in the
50 1.1 thorpej * documentation and/or other materials provided with the distribution.
51 1.1 thorpej * 3. All advertising materials mentioning features or use of this software
52 1.1 thorpej * must display the following acknowledgement:
53 1.1 thorpej * This product includes software developed by Manuel Bouyer.
54 1.1 thorpej * 4. The name of the author may not be used to endorse or promote products
55 1.1 thorpej * derived from this software without specific prior written permission.
56 1.1 thorpej *
57 1.1 thorpej * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
58 1.1 thorpej * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
59 1.1 thorpej * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
60 1.1 thorpej * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
61 1.1 thorpej * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
62 1.1 thorpej * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
63 1.1 thorpej * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
64 1.1 thorpej * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
65 1.1 thorpej * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
66 1.1 thorpej * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67 1.1 thorpej */
68 1.1 thorpej
69 1.1 thorpej /*
70 1.1 thorpej * driver for Intel's i82555 ethernet 10/100 PHY
71 1.1 thorpej * Data Sheet available from www.intel.com
72 1.1 thorpej */
73 1.26 lukem
74 1.26 lukem #include <sys/cdefs.h>
75 1.35 thorpej __KERNEL_RCSID(0, "$NetBSD: inphy.c,v 1.35 2003/04/29 01:49:33 thorpej Exp $");
76 1.1 thorpej
77 1.1 thorpej #include <sys/param.h>
78 1.1 thorpej #include <sys/systm.h>
79 1.1 thorpej #include <sys/kernel.h>
80 1.1 thorpej #include <sys/device.h>
81 1.1 thorpej #include <sys/socket.h>
82 1.11 thorpej #include <sys/errno.h>
83 1.1 thorpej
84 1.1 thorpej #include <net/if.h>
85 1.1 thorpej #include <net/if_media.h>
86 1.1 thorpej
87 1.1 thorpej #include <dev/mii/mii.h>
88 1.1 thorpej #include <dev/mii/miivar.h>
89 1.1 thorpej #include <dev/mii/miidevs.h>
90 1.1 thorpej
91 1.1 thorpej #include <dev/mii/inphyreg.h>
92 1.1 thorpej
93 1.25 thorpej int inphymatch(struct device *, struct cfdata *, void *);
94 1.25 thorpej void inphyattach(struct device *, struct device *, void *);
95 1.1 thorpej
96 1.30 thorpej CFATTACH_DECL(inphy, sizeof(struct mii_softc),
97 1.31 thorpej inphymatch, inphyattach, mii_phy_detach, mii_phy_activate);
98 1.1 thorpej
99 1.25 thorpej int inphy_service(struct mii_softc *, struct mii_data *, int);
100 1.25 thorpej void inphy_status(struct mii_softc *);
101 1.1 thorpej
102 1.20 thorpej const struct mii_phy_funcs inphy_funcs = {
103 1.20 thorpej inphy_service, inphy_status, mii_phy_reset,
104 1.20 thorpej };
105 1.20 thorpej
106 1.23 thorpej const struct mii_phydesc inphys[] = {
107 1.23 thorpej { MII_OUI_yyINTEL, MII_MODEL_yyINTEL_I82555,
108 1.23 thorpej MII_STR_yyINTEL_I82555 },
109 1.23 thorpej
110 1.32 matt { MII_OUI_yyINTEL, MII_MODEL_yyINTEL_I82562EH,
111 1.32 matt MII_STR_yyINTEL_I82562EH },
112 1.33 matt
113 1.32 matt { MII_OUI_yyINTEL, MII_MODEL_yyINTEL_I82562EM,
114 1.32 matt MII_STR_yyINTEL_I82562EM },
115 1.33 matt
116 1.32 matt { MII_OUI_yyINTEL, MII_MODEL_yyINTEL_I82562ET,
117 1.32 matt MII_STR_yyINTEL_I82562ET },
118 1.33 matt
119 1.23 thorpej { 0, 0,
120 1.23 thorpej NULL },
121 1.23 thorpej };
122 1.23 thorpej
123 1.1 thorpej int
124 1.25 thorpej inphymatch(struct device *parent, struct cfdata *match, void *aux)
125 1.1 thorpej {
126 1.1 thorpej struct mii_attach_args *ma = aux;
127 1.1 thorpej
128 1.23 thorpej if (mii_phy_match(ma, inphys) != NULL)
129 1.8 thorpej return (10);
130 1.1 thorpej
131 1.1 thorpej return (0);
132 1.1 thorpej }
133 1.1 thorpej
134 1.1 thorpej void
135 1.25 thorpej inphyattach(struct device *parent, struct device *self, void *aux)
136 1.1 thorpej {
137 1.9 thorpej struct mii_softc *sc = (struct mii_softc *)self;
138 1.1 thorpej struct mii_attach_args *ma = aux;
139 1.1 thorpej struct mii_data *mii = ma->mii_data;
140 1.23 thorpej const struct mii_phydesc *mpd;
141 1.1 thorpej
142 1.23 thorpej mpd = mii_phy_match(ma, inphys);
143 1.35 thorpej aprint_naive(": Media interface\n");
144 1.35 thorpej aprint_normal(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
145 1.1 thorpej
146 1.9 thorpej sc->mii_inst = mii->mii_instance;
147 1.9 thorpej sc->mii_phy = ma->mii_phyno;
148 1.20 thorpej sc->mii_funcs = &inphy_funcs;
149 1.9 thorpej sc->mii_pdata = mii;
150 1.27 thorpej sc->mii_flags = ma->mii_flags;
151 1.22 thorpej sc->mii_anegticks = 5;
152 1.7 thorpej
153 1.20 thorpej PHY_RESET(sc);
154 1.1 thorpej
155 1.9 thorpej sc->mii_capabilities =
156 1.9 thorpej PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
157 1.35 thorpej aprint_normal("%s: ", sc->mii_dev.dv_xname);
158 1.9 thorpej if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0)
159 1.35 thorpej aprint_error("no media present");
160 1.1 thorpej else
161 1.15 thorpej mii_phy_add_media(sc);
162 1.35 thorpej aprint_normal("\n");
163 1.1 thorpej }
164 1.1 thorpej
165 1.1 thorpej int
166 1.25 thorpej inphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
167 1.1 thorpej {
168 1.4 thorpej struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
169 1.1 thorpej int reg;
170 1.14 thorpej
171 1.14 thorpej if ((sc->mii_dev.dv_flags & DVF_ACTIVE) == 0)
172 1.14 thorpej return (ENXIO);
173 1.1 thorpej
174 1.1 thorpej switch (cmd) {
175 1.1 thorpej case MII_POLLSTAT:
176 1.1 thorpej /*
177 1.1 thorpej * If we're not polling our PHY instance, just return.
178 1.1 thorpej */
179 1.9 thorpej if (IFM_INST(ife->ifm_media) != sc->mii_inst)
180 1.1 thorpej return (0);
181 1.1 thorpej break;
182 1.1 thorpej
183 1.1 thorpej case MII_MEDIACHG:
184 1.1 thorpej /*
185 1.1 thorpej * If the media indicates a different PHY instance,
186 1.1 thorpej * isolate ourselves.
187 1.1 thorpej */
188 1.9 thorpej if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
189 1.9 thorpej reg = PHY_READ(sc, MII_BMCR);
190 1.9 thorpej PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
191 1.1 thorpej return (0);
192 1.1 thorpej }
193 1.1 thorpej
194 1.1 thorpej /*
195 1.1 thorpej * If the interface is not up, don't do anything.
196 1.1 thorpej */
197 1.1 thorpej if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
198 1.1 thorpej break;
199 1.1 thorpej
200 1.18 thorpej mii_phy_setmedia(sc);
201 1.1 thorpej break;
202 1.1 thorpej
203 1.1 thorpej case MII_TICK:
204 1.1 thorpej /*
205 1.1 thorpej * If we're not currently selected, just return.
206 1.1 thorpej */
207 1.9 thorpej if (IFM_INST(ife->ifm_media) != sc->mii_inst)
208 1.1 thorpej return (0);
209 1.1 thorpej
210 1.19 thorpej if (mii_phy_tick(sc) == EJUSTRETURN)
211 1.11 thorpej return (0);
212 1.1 thorpej break;
213 1.13 thorpej
214 1.13 thorpej case MII_DOWN:
215 1.13 thorpej mii_phy_down(sc);
216 1.13 thorpej return (0);
217 1.1 thorpej }
218 1.1 thorpej
219 1.1 thorpej /* Update the media status. */
220 1.17 thorpej mii_phy_status(sc);
221 1.1 thorpej
222 1.1 thorpej /* Callback if something changed. */
223 1.19 thorpej mii_phy_update(sc, cmd);
224 1.1 thorpej return (0);
225 1.1 thorpej }
226 1.1 thorpej
227 1.1 thorpej void
228 1.25 thorpej inphy_status(struct mii_softc *sc)
229 1.1 thorpej {
230 1.9 thorpej struct mii_data *mii = sc->mii_pdata;
231 1.12 thorpej struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
232 1.1 thorpej int bmsr, bmcr, scr;
233 1.1 thorpej
234 1.1 thorpej mii->mii_media_status = IFM_AVALID;
235 1.1 thorpej mii->mii_media_active = IFM_ETHER;
236 1.1 thorpej
237 1.9 thorpej bmsr = PHY_READ(sc, MII_BMSR) |
238 1.9 thorpej PHY_READ(sc, MII_BMSR);
239 1.1 thorpej if (bmsr & BMSR_LINK)
240 1.1 thorpej mii->mii_media_status |= IFM_ACTIVE;
241 1.1 thorpej
242 1.9 thorpej bmcr = PHY_READ(sc, MII_BMCR);
243 1.1 thorpej if (bmcr & BMCR_ISO) {
244 1.1 thorpej mii->mii_media_active |= IFM_NONE;
245 1.1 thorpej mii->mii_media_status = 0;
246 1.1 thorpej return;
247 1.1 thorpej }
248 1.1 thorpej
249 1.1 thorpej if (bmcr & BMCR_LOOP)
250 1.1 thorpej mii->mii_media_active |= IFM_LOOP;
251 1.1 thorpej
252 1.1 thorpej if (bmcr & BMCR_AUTOEN) {
253 1.3 thorpej if ((bmsr & BMSR_ACOMP) == 0) {
254 1.3 thorpej /* Erg, still trying, I guess... */
255 1.3 thorpej mii->mii_media_active |= IFM_NONE;
256 1.3 thorpej return;
257 1.3 thorpej }
258 1.9 thorpej scr = PHY_READ(sc, MII_INPHY_SCR);
259 1.34 drochner if ((bmsr & BMSR_100T4) && (scr & SCR_T4))
260 1.1 thorpej mii->mii_media_active |= IFM_100_T4;
261 1.1 thorpej else if (scr & SCR_S100)
262 1.1 thorpej mii->mii_media_active |= IFM_100_TX;
263 1.1 thorpej else
264 1.1 thorpej mii->mii_media_active |= IFM_10_T;
265 1.1 thorpej if (scr & SCR_FDX)
266 1.1 thorpej mii->mii_media_active |= IFM_FDX;
267 1.10 thorpej } else
268 1.12 thorpej mii->mii_media_active = ife->ifm_media;
269 1.1 thorpej }
270