qsphy.c revision 1.23
1 /* $NetBSD: qsphy.c,v 1.23 2001/05/31 16:02:29 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000 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 Quality Semiconductor's QS6612 ethernet 10/100 PHY 71 * datasheet from www.qualitysemi.com 72 */ 73 74 #include <sys/param.h> 75 #include <sys/systm.h> 76 #include <sys/kernel.h> 77 #include <sys/device.h> 78 #include <sys/malloc.h> 79 #include <sys/socket.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/qsphyreg.h> 89 90 int qsphymatch __P((struct device *, struct cfdata *, void *)); 91 void qsphyattach __P((struct device *, struct device *, void *)); 92 93 struct cfattach qsphy_ca = { 94 sizeof(struct mii_softc), qsphymatch, qsphyattach, mii_phy_detach, 95 mii_phy_activate 96 }; 97 98 int qsphy_service __P((struct mii_softc *, struct mii_data *, int)); 99 void qsphy_status __P((struct mii_softc *)); 100 void qsphy_reset __P((struct mii_softc *)); 101 102 const struct mii_phy_funcs qsphy_funcs = { 103 qsphy_service, qsphy_status, qsphy_reset, 104 }; 105 106 int 107 qsphymatch(parent, match, aux) 108 struct device *parent; 109 struct cfdata *match; 110 void *aux; 111 { 112 struct mii_attach_args *ma = aux; 113 114 if (MII_OUI(ma->mii_id1, ma->mii_id2) == MII_OUI_xxQUALSEMI && 115 MII_MODEL(ma->mii_id2) == MII_MODEL_xxQUALSEMI_QS6612) 116 return (10); 117 118 return (0); 119 } 120 121 void 122 qsphyattach(parent, self, aux) 123 struct device *parent, *self; 124 void *aux; 125 { 126 struct mii_softc *sc = (struct mii_softc *)self; 127 struct mii_attach_args *ma = aux; 128 struct mii_data *mii = ma->mii_data; 129 130 printf(": %s, rev. %d\n", MII_STR_xxQUALSEMI_QS6612, 131 MII_REV(ma->mii_id2)); 132 133 sc->mii_inst = mii->mii_instance; 134 sc->mii_phy = ma->mii_phyno; 135 sc->mii_funcs = &qsphy_funcs; 136 sc->mii_pdata = mii; 137 sc->mii_flags = mii->mii_flags; 138 sc->mii_anegticks = 5; 139 140 PHY_RESET(sc); 141 142 sc->mii_capabilities = 143 PHY_READ(sc, MII_BMSR) & ma->mii_capmask; 144 printf("%s: ", sc->mii_dev.dv_xname); 145 if ((sc->mii_capabilities & BMSR_MEDIAMASK) == 0) 146 printf("no media present"); 147 else 148 mii_phy_add_media(sc); 149 printf("\n"); 150 } 151 152 int 153 qsphy_service(sc, mii, cmd) 154 struct mii_softc *sc; 155 struct mii_data *mii; 156 int cmd; 157 { 158 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 159 int reg; 160 161 if ((sc->mii_dev.dv_flags & DVF_ACTIVE) == 0) 162 return (ENXIO); 163 164 switch (cmd) { 165 case MII_POLLSTAT: 166 /* 167 * If we're not polling our PHY instance, just return. 168 */ 169 if (IFM_INST(ife->ifm_media) != sc->mii_inst) 170 return (0); 171 break; 172 173 case MII_MEDIACHG: 174 /* 175 * If the media indicates a different PHY instance, 176 * isolate ourselves. 177 */ 178 if (IFM_INST(ife->ifm_media) != sc->mii_inst) { 179 reg = PHY_READ(sc, MII_BMCR); 180 PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO); 181 return (0); 182 } 183 184 /* 185 * If the interface is not up, don't do anything. 186 */ 187 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 188 break; 189 190 mii_phy_setmedia(sc); 191 break; 192 193 case MII_TICK: 194 /* 195 * If we're not currently selected, just return. 196 */ 197 if (IFM_INST(ife->ifm_media) != sc->mii_inst) 198 return (0); 199 200 if (mii_phy_tick(sc) == EJUSTRETURN) 201 return (0); 202 break; 203 204 case MII_DOWN: 205 mii_phy_down(sc); 206 return (0); 207 } 208 209 /* Update the media status. */ 210 mii_phy_status(sc); 211 212 /* Callback if something changed. */ 213 mii_phy_update(sc, cmd); 214 return (0); 215 } 216 217 void 218 qsphy_status(sc) 219 struct mii_softc *sc; 220 { 221 struct mii_data *mii = sc->mii_pdata; 222 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 223 int bmsr, bmcr, pctl; 224 225 mii->mii_media_status = IFM_AVALID; 226 mii->mii_media_active = IFM_ETHER; 227 228 bmsr = PHY_READ(sc, MII_BMSR) | 229 PHY_READ(sc, MII_BMSR); 230 if (bmsr & BMSR_LINK) 231 mii->mii_media_status |= IFM_ACTIVE; 232 233 bmcr = PHY_READ(sc, MII_BMCR); 234 if (bmcr & BMCR_ISO) { 235 mii->mii_media_active |= IFM_NONE; 236 mii->mii_media_status = 0; 237 return; 238 } 239 240 if (bmcr & BMCR_LOOP) 241 mii->mii_media_active |= IFM_LOOP; 242 243 if (bmcr & BMCR_AUTOEN) { 244 if ((bmsr & BMSR_ACOMP) == 0) { 245 /* Erg, still trying, I guess... */ 246 mii->mii_media_active |= IFM_NONE; 247 return; 248 } 249 pctl = PHY_READ(sc, MII_QSPHY_PCTL) | 250 PHY_READ(sc, MII_QSPHY_PCTL); 251 switch (pctl & PCTL_OPMASK) { 252 case PCTL_10_T: 253 mii->mii_media_active |= IFM_10_T; 254 break; 255 case PCTL_10_T_FDX: 256 mii->mii_media_active |= IFM_10_T|IFM_FDX; 257 break; 258 case PCTL_100_TX: 259 mii->mii_media_active |= IFM_100_TX; 260 break; 261 case PCTL_100_TX_FDX: 262 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 263 break; 264 case PCTL_100_T4: 265 mii->mii_media_active |= IFM_100_T4; 266 break; 267 default: 268 /* Erg... this shouldn't happen. */ 269 mii->mii_media_active |= IFM_NONE; 270 break; 271 } 272 } else 273 mii->mii_media_active = ife->ifm_media; 274 } 275 276 void 277 qsphy_reset(sc) 278 struct mii_softc *sc; 279 { 280 281 mii_phy_reset(sc); 282 PHY_WRITE(sc, MII_QSPHY_IMASK, 0); 283 } 284
Indexes created Fri Sep 26 08:10:20 GMT 2025