1 /*- 2 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 7 * NASA Ames Research Center. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /*- 32 * Copyright (c) 1997 Manuel Bouyer. All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 44 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 45 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 46 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 47 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 48 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 52 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53 */ 54 55 #include <sys/cdefs.h> 56 __FBSDID("$FreeBSD$"); 57 58 /* 59 * Driver for Altima AC101 10/100 PHY 60 */ 61 62 #include <sys/param.h> 63 #include <sys/systm.h> 64 #include <sys/kernel.h> 65 #include <sys/socket.h> 66 #include <sys/errno.h> 67 #include <sys/module.h> 68 #include <sys/bus.h> 69 70 #include <net/if.h> 71 #include <net/if_media.h> 72 73 #include <dev/mii/mii.h> 74 #include <dev/mii/miivar.h> 75 #include "miidevs.h" 76 77 #include <dev/mii/acphyreg.h> 78 79 #include "miibus_if.h" 80 81 static int acphy_probe(device_t); 82 static int acphy_attach(device_t); 83 84 static device_method_t acphy_methods[] = { 85 /* device interface */ 86 DEVMETHOD(device_probe, acphy_probe), 87 DEVMETHOD(device_attach, acphy_attach), 88 DEVMETHOD(device_detach, mii_phy_detach), 89 DEVMETHOD(device_shutdown, bus_generic_shutdown), 90 DEVMETHOD_END 91 }; 92 93 static devclass_t acphy_devclass; 94 95 static driver_t acphy_driver = { 96 "acphy", 97 acphy_methods, 98 sizeof(struct mii_softc) 99 }; 100 101 DRIVER_MODULE(acphy, miibus, acphy_driver, acphy_devclass, 0, 0); 102 103 static int acphy_service(struct mii_softc *, struct mii_data *, int); 104 static void acphy_reset(struct mii_softc *); 105 static void acphy_status(struct mii_softc *); 106 107 static const struct mii_phydesc acphys[] = { 108 MII_PHY_DESC(ALTIMA, AC101), 109 MII_PHY_DESC(ALTIMA, AC101L), 110 /* XXX This is reported to work, but it's not from any data sheet. */ 111 MII_PHY_DESC(ALTIMA, ACXXX), 112 MII_PHY_END 113 }; 114 115 static const struct mii_phy_funcs acphy_funcs = { 116 acphy_service, 117 acphy_status, 118 acphy_reset 119 }; 120 121 static int 122 acphy_probe(device_t dev) 123 { 124 125 return (mii_phy_dev_probe(dev, acphys, BUS_PROBE_DEFAULT)); 126 } 127 128 static int 129 acphy_attach(device_t dev) 130 { 131 struct mii_softc *sc; 132 133 sc = device_get_softc(dev); 134 135 mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &acphy_funcs, 0); 136 137 PHY_RESET(sc); 138 139 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask; 140 device_printf(dev, " "); 141 142 #define ADD(m, c) ifmedia_add(&sc->mii_pdata->mii_media, (m), (c), NULL) 143 if ((PHY_READ(sc, MII_ACPHY_MCTL) & AC_MCTL_FX_SEL) != 0) { 144 sc->mii_flags |= MIIF_HAVEFIBER; 145 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, 0, sc->mii_inst), 146 MII_MEDIA_100_TX); 147 printf("100baseFX, "); 148 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, sc->mii_inst), 149 MII_MEDIA_100_TX_FDX); 150 printf("100baseFX-FDX, "); 151 } 152 #undef ADD 153 154 mii_phy_add_media(sc); 155 printf("\n"); 156 157 MIIBUS_MEDIAINIT(sc->mii_dev); 158 return (0); 159 } 160 161 static int 162 acphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 163 { 164 int reg; 165 166 switch (cmd) { 167 case MII_POLLSTAT: 168 break; 169 170 case MII_MEDIACHG: 171 /* Wake & deisolate up if necessary */ 172 reg = PHY_READ(sc, MII_BMCR); 173 if (reg & (BMCR_ISO | BMCR_PDOWN)) 174 PHY_WRITE(sc, MII_BMCR, reg & ~(BMCR_ISO | BMCR_PDOWN)); 175 176 mii_phy_setmedia(sc); 177 break; 178 179 case MII_TICK: 180 /* 181 * This PHY's autonegotiation doesn't need to be kicked. 182 */ 183 break; 184 } 185 186 /* Update the media status. */ 187 PHY_STATUS(sc); 188 189 /* Callback if something changed. */ 190 mii_phy_update(sc, cmd); 191 return (0); 192 } 193 194 static void 195 acphy_status(struct mii_softc *sc) 196 { 197 struct mii_data *mii = sc->mii_pdata; 198 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 199 int bmsr, bmcr, diag; 200 201 mii->mii_media_status = IFM_AVALID; 202 mii->mii_media_active = IFM_ETHER; 203 204 bmsr = PHY_READ(sc, MII_BMSR) | 205 PHY_READ(sc, MII_BMSR); 206 if (bmsr & BMSR_LINK) 207 mii->mii_media_status |= IFM_ACTIVE; 208 209 bmcr = PHY_READ(sc, MII_BMCR); 210 if (bmcr & BMCR_ISO) { 211 mii->mii_media_active |= IFM_NONE; 212 mii->mii_media_status = 0; 213 return; 214 } 215 216 if (bmcr & BMCR_LOOP) 217 mii->mii_media_active |= IFM_LOOP; 218 219 if (bmcr & BMCR_AUTOEN) { 220 if ((bmsr & BMSR_ACOMP) == 0) { 221 /* Erg, still trying, I guess... */ 222 mii->mii_media_active |= IFM_NONE; 223 return; 224 } 225 diag = PHY_READ(sc, MII_ACPHY_DIAG); 226 if (diag & AC_DIAG_SPEED) 227 mii->mii_media_active |= IFM_100_TX; 228 else 229 mii->mii_media_active |= IFM_10_T; 230 231 if (diag & AC_DIAG_DUPLEX) 232 mii->mii_media_active |= 233 IFM_FDX | mii_phy_flowstatus(sc); 234 else 235 mii->mii_media_active |= IFM_HDX; 236 } else 237 mii->mii_media_active = ife->ifm_media; 238 } 239 240 static void 241 acphy_reset(struct mii_softc *sc) 242 { 243 244 mii_phy_reset(sc); 245 PHY_WRITE(sc, MII_ACPHY_INT, 0); 246 } 247