ukphy.c revision 1.11
1 /* $NetBSD: ukphy.c,v 1.11 2000/05/08 13:25:35 augustss Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999 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, and by Frank van der Linden. 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1997 Manuel Bouyer. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by Manuel Bouyer. 54 * 4. The name of the author may not be used to endorse or promote products 55 * derived from this software without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 */ 68 69 /* 70 * driver for generic unknown PHYs 71 */ 72 73 #include <sys/param.h> 74 #include <sys/systm.h> 75 #include <sys/kernel.h> 76 #include <sys/device.h> 77 #include <sys/malloc.h> 78 #include <sys/socket.h> 79 #include <sys/errno.h> 80 81 #include <net/if.h> 82 #include <net/if_media.h> 83 84 #include <dev/mii/mii.h> 85 #include <dev/mii/miivar.h> 86 87 #ifdef MIIVERBOSE 88 struct mii_knowndev { 89 int oui; 90 int model; 91 const char *descr; 92 }; 93 #include <dev/mii/miidevs.h> 94 #include <dev/mii/miidevs_data.h> 95 #endif 96 97 int ukphymatch __P((struct device *, struct cfdata *, void *)); 98 void ukphyattach __P((struct device *, struct device *, void *)); 99 100 struct cfattach ukphy_ca = { 101 sizeof(struct mii_softc), ukphymatch, ukphyattach, mii_phy_detach, 102 mii_phy_activate 103 }; 104 105 int ukphy_service __P((struct mii_softc *, struct mii_data *, int)); 106 107 int 108 ukphymatch(parent, match, aux) 109 struct device *parent; 110 struct cfdata *match; 111 void *aux; 112 { 113 114 /* 115 * We know something is here, so always match at a low priority. 116 */ 117 return (1); 118 } 119 120 void 121 ukphyattach(parent, self, aux) 122 struct device *parent, *self; 123 void *aux; 124 { 125 struct mii_softc *sc = (struct mii_softc *)self; 126 struct mii_attach_args *ma = aux; 127 struct mii_data *mii = ma->mii_data; 128 int oui = MII_OUI(ma->mii_id1, ma->mii_id2); 129 int model = MII_MODEL(ma->mii_id2); 130 int rev = MII_REV(ma->mii_id2); 131 #ifdef MIIVERBOSE 132 int i; 133 #endif 134 135 printf(": Generic IEEE 802.3u media interface\n"); 136 #ifdef MIIVERBOSE 137 for (i = 0; mii_knowndevs[i].descr != NULL; i++) 138 if (mii_knowndevs[i].oui == oui && 139 mii_knowndevs[i].model == model) 140 break; 141 if (mii_knowndevs[i].descr != NULL) 142 printf("%s: %s (OUI 0x%06x, model 0x%04x), rev. %d\n", 143 sc->mii_dev.dv_xname, mii_knowndevs[i].descr, 144 oui, model, rev); 145 else 146 #endif 147 printf("%s: OUI 0x%06x, model 0x%04x, rev. %d\n", 148 sc->mii_dev.dv_xname, oui, model, rev); 149 150 sc->mii_inst = mii->mii_instance; 151 sc->mii_phy = ma->mii_phyno; 152 sc->mii_service = ukphy_service; 153 sc->mii_status = ukphy_status; 154 sc->mii_pdata = mii; 155 sc->mii_flags = mii->mii_flags; 156 157 /* 158 * Don't do loopback on unknown PHYs. It might confuse some of them. 159 */ 160 sc->mii_flags |= MIIF_NOLOOP; 161 162 mii_phy_reset(sc); 163 164 sc->mii_capabilities = 165 PHY_READ(sc, MII_BMSR) & ma->mii_capmask; 166 printf("%s: ", sc->mii_dev.dv_xname); 167 if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0) 168 printf("no media present"); 169 else 170 mii_phy_add_media(sc); 171 printf("\n"); 172 } 173 174 int 175 ukphy_service(sc, mii, cmd) 176 struct mii_softc *sc; 177 struct mii_data *mii; 178 int cmd; 179 { 180 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 181 int reg; 182 183 if ((sc->mii_dev.dv_flags & DVF_ACTIVE) == 0) 184 return (ENXIO); 185 186 switch (cmd) { 187 case MII_POLLSTAT: 188 /* 189 * If we're not polling our PHY instance, just return. 190 */ 191 if (IFM_INST(ife->ifm_media) != sc->mii_inst) 192 return (0); 193 break; 194 195 case MII_MEDIACHG: 196 /* 197 * If the media indicates a different PHY instance, 198 * isolate ourselves. 199 */ 200 if (IFM_INST(ife->ifm_media) != sc->mii_inst) { 201 reg = PHY_READ(sc, MII_BMCR); 202 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO); 203 return (0); 204 } 205 206 /* 207 * If the interface is not up, don't do anything. 208 */ 209 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 210 break; 211 212 mii_phy_setmedia(sc); 213 break; 214 215 case MII_TICK: 216 /* 217 * If we're not currently selected, just return. 218 */ 219 if (IFM_INST(ife->ifm_media) != sc->mii_inst) 220 return (0); 221 222 /* 223 * Only used for autonegotiation. 224 */ 225 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 226 return (0); 227 228 if (mii_phy_tick(sc) == EJUSTRETURN) 229 return (0); 230 break; 231 232 case MII_DOWN: 233 mii_phy_down(sc); 234 return (0); 235 } 236 237 /* Update the media status. */ 238 mii_phy_status(sc); 239 240 /* Callback if something changed. */ 241 mii_phy_update(sc, cmd); 242 return (0); 243 } 244
Indexes created Mon Sep 29 03:10:08 GMT 2025