glxtphy.c revision 1.1
1 /* $NetBSD: glxtphy.c,v 1.1 2001/07/12 21:54:40 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 * 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 the Level One LXT-1000 10/100/1000 PHY. 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 #include <dev/mii/miidevs.h> 87 88 #include <dev/mii/glxtphyreg.h> 89 90 int glxtphymatch __P((struct device *, struct cfdata *, void *)); 91 void glxtphyattach __P((struct device *, struct device *, void *)); 92 93 struct cfattach glxtphy_ca = { 94 sizeof(struct mii_softc), glxtphymatch, glxtphyattach, 95 mii_phy_detach, mii_phy_activate 96 }; 97 98 int glxtphy_service __P((struct mii_softc *, struct mii_data *, int)); 99 void glxtphy_status __P((struct mii_softc *)); 100 101 const struct mii_phy_funcs glxtphy_funcs = { 102 glxtphy_service, glxtphy_status, mii_phy_reset, 103 }; 104 105 const struct mii_phydesc glxtphys[] = { 106 { MII_OUI_LEVEL1, MII_MODEL_LEVEL1_LXT1000_OLD, 107 MII_STR_LEVEL1_LXT1000_OLD }, 108 109 { MII_OUI_LEVEL1, MII_MODEL_LEVEL1_LXT1000_OLD, 110 MII_STR_LEVEL1_LXT1000_OLD }, 111 112 { 0, 0, 113 NULL }, 114 }; 115 116 int 117 glxtphymatch(parent, match, aux) 118 struct device *parent; 119 struct cfdata *match; 120 void *aux; 121 { 122 struct mii_attach_args *ma = aux; 123 124 if (mii_phy_match(ma, glxtphys) != NULL) 125 return (10); 126 127 return (0); 128 } 129 130 void 131 glxtphyattach(parent, self, aux) 132 struct device *parent, *self; 133 void *aux; 134 { 135 struct mii_softc *sc = (struct mii_softc *)self; 136 struct mii_attach_args *ma = aux; 137 struct mii_data *mii = ma->mii_data; 138 const struct mii_phydesc *mpd; 139 140 mpd = mii_phy_match(ma, glxtphys); 141 printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2)); 142 143 sc->mii_inst = mii->mii_instance; 144 sc->mii_phy = ma->mii_phyno; 145 sc->mii_funcs = &glxtphy_funcs; 146 sc->mii_pdata = mii; 147 sc->mii_flags = mii->mii_flags; 148 sc->mii_anegticks = 5; 149 150 PHY_RESET(sc); 151 152 sc->mii_capabilities = 153 PHY_READ(sc, MII_BMSR) & ma->mii_capmask; 154 if (sc->mii_capabilities & BMSR_EXTSTAT) 155 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); 156 157 printf("%s: ", sc->mii_dev.dv_xname); 158 if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0 && 159 (sc->mii_extcapabilities & EXTSR_MEDIAMASK) == 0) 160 printf("no media present"); 161 else 162 mii_phy_add_media(sc); 163 printf("\n"); 164 } 165 166 int 167 glxtphy_service(sc, mii, cmd) 168 struct mii_softc *sc; 169 struct mii_data *mii; 170 int cmd; 171 { 172 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 173 int reg; 174 175 switch (cmd) { 176 case MII_POLLSTAT: 177 /* 178 * If we're not polling our PHY instance, just return. 179 */ 180 if (IFM_INST(ife->ifm_media) != sc->mii_inst) 181 return (0); 182 break; 183 184 case MII_MEDIACHG: 185 /* 186 * If the media indicates a different PHY instance, 187 * isolate ourselves. 188 */ 189 if (IFM_INST(ife->ifm_media) != sc->mii_inst) { 190 reg = PHY_READ(sc, MII_BMCR); 191 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO); 192 return (0); 193 } 194 195 /* 196 * If the interface is not up, don't do anything. 197 */ 198 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 199 break; 200 201 mii_phy_setmedia(sc); 202 break; 203 204 case MII_TICK: 205 /* 206 * If we're not currently selected, just return. 207 */ 208 if (IFM_INST(ife->ifm_media) != sc->mii_inst) 209 return (0); 210 211 if (mii_phy_tick(sc) == EJUSTRETURN) 212 return (0); 213 break; 214 215 case MII_DOWN: 216 mii_phy_down(sc); 217 return (0); 218 } 219 220 /* Update the media status. */ 221 mii_phy_status(sc); 222 223 /* Callback if something changed. */ 224 mii_phy_update(sc, cmd); 225 return (0); 226 } 227 228 void 229 glxtphy_status(sc) 230 struct mii_softc *sc; 231 { 232 struct mii_data *mii = sc->mii_pdata; 233 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 234 int bmcr, qsr, gtsr; 235 236 mii->mii_media_status = IFM_AVALID; 237 mii->mii_media_active = IFM_ETHER; 238 239 qsr = PHY_READ(sc, MII_GLXTPHY_QSR); 240 241 if (qsr & QSR_LINK) 242 mii->mii_media_status |= IFM_ACTIVE; 243 244 bmcr = PHY_READ(sc, MII_BMCR); 245 if (bmcr & BMCR_ISO) { 246 mii->mii_media_active |= IFM_NONE; 247 mii->mii_media_status = 0; 248 return; 249 } 250 251 if (bmcr & BMCR_LOOP) 252 mii->mii_media_active |= IFM_LOOP; 253 254 if (bmcr & BMCR_AUTOEN) { 255 /* 256 * The media status bits are only valid of autonegotiation 257 * has completed (or it's disabled). 258 */ 259 if ((qsr & QSR_ACOMP) == 0) { 260 /* Erg, still trying, I guess... */ 261 mii->mii_media_active |= IFM_NONE; 262 return; 263 } 264 265 switch (QSR_SPEED_get(qsr)) { 266 case SPEED_1000: 267 mii->mii_media_active |= IFM_1000_T; 268 gtsr = PHY_READ(sc, MII_100T2SR); 269 if (gtsr & GTSR_MS_RES) 270 mii->mii_media_active |= IFM_ETH_MASTER; 271 break; 272 273 case SPEED_100: 274 mii->mii_media_active |= IFM_100_TX; 275 break; 276 277 case SPEED_10_MII: 278 case SPEED_10_SERIAL: 279 mii->mii_media_active |= IFM_10_T; 280 break; 281 } 282 283 if (qsr & QSR_DUPLEX) 284 mii->mii_media_active |= IFM_FDX; 285 } else 286 mii->mii_media_active = ife->ifm_media; 287 } 288
Indexes created Thu Sep 25 08:09:54 GMT 2025