1 /* $NetBSD: ukphy.c,v 1.2 1999/04/23 04:24:32 thorpej 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /*- 34 * Copyright (c) 1997 Manuel Bouyer. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 46 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 47 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 48 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 49 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 50 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 51 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 52 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 53 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 54 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 55 */ 56 57 #include <sys/cdefs.h> 58 __FBSDID("$FreeBSD$"); 59 60 /* 61 * driver for generic unknown PHYs 62 */ 63 64 #include <sys/param.h> 65 #include <sys/systm.h> 66 #include <sys/kernel.h> 67 #include <sys/socket.h> 68 #include <sys/errno.h> 69 #include <sys/module.h> 70 #include <sys/bus.h> 71 72 #include <net/if.h> 73 #include <net/if_media.h> 74 75 #include <dev/mii/mii.h> 76 #include <dev/mii/miivar.h> 77 78 #include "miibus_if.h" 79 80 static int ukphy_probe(device_t); 81 static int ukphy_attach(device_t); 82 83 static device_method_t ukphy_methods[] = { 84 /* device interface */ 85 DEVMETHOD(device_probe, ukphy_probe), 86 DEVMETHOD(device_attach, ukphy_attach), 87 DEVMETHOD(device_detach, mii_phy_detach), 88 DEVMETHOD(device_shutdown, bus_generic_shutdown), 89 { 0, 0 } 90 }; 91 92 static devclass_t ukphy_devclass; 93 94 static driver_t ukphy_driver = { 95 "ukphy", 96 ukphy_methods, 97 sizeof(struct mii_softc) 98 }; 99 100 DRIVER_MODULE(ukphy, miibus, ukphy_driver, ukphy_devclass, 0, 0); 101 102 static int ukphy_service(struct mii_softc *, struct mii_data *, int); 103 104 static int 105 ukphy_probe(device_t dev) 106 { 107 108 /* 109 * We know something is here, so always match at a low priority. 110 */ 111 device_set_desc(dev, "Generic IEEE 802.3u media interface"); 112 return (BUS_PROBE_GENERIC); 113 } 114 115 static int 116 ukphy_attach(device_t dev) 117 { 118 struct mii_softc *sc; 119 struct mii_attach_args *ma; 120 struct mii_data *mii; 121 122 sc = device_get_softc(dev); 123 ma = device_get_ivars(dev); 124 sc->mii_dev = device_get_parent(dev); 125 mii = ma->mii_data; 126 LIST_INSERT_HEAD(&mii->mii_phys, sc, mii_list); 127 128 if (bootverbose) 129 device_printf(dev, "OUI 0x%06x, model 0x%04x, rev. %d\n", 130 MII_OUI(ma->mii_id1, ma->mii_id2), 131 MII_MODEL(ma->mii_id2), MII_REV(ma->mii_id2)); 132 133 sc->mii_flags = miibus_get_flags(dev); 134 sc->mii_inst = mii->mii_instance++; 135 sc->mii_phy = ma->mii_phyno; 136 sc->mii_service = ukphy_service; 137 sc->mii_pdata = mii; 138 139 sc->mii_flags |= MIIF_NOMANPAUSE; 140 141 mii_phy_reset(sc); 142 143 sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & ma->mii_capmask; 144 if (sc->mii_capabilities & BMSR_EXTSTAT) 145 sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR); 146 device_printf(dev, " "); 147 mii_phy_add_media(sc); 148 printf("\n"); 149 150 MIIBUS_MEDIAINIT(sc->mii_dev); 151 mii_phy_setmedia(sc); 152 153 return (0); 154 } 155 156 static int 157 ukphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 158 { 159 160 switch (cmd) { 161 case MII_POLLSTAT: 162 break; 163 164 case MII_MEDIACHG: 165 /* 166 * If the interface is not up, don't do anything. 167 */ 168 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 169 break; 170 171 mii_phy_setmedia(sc); 172 break; 173 174 case MII_TICK: 175 if (mii_phy_tick(sc) == EJUSTRETURN) 176 return (0); 177 break; 178 } 179 180 /* Update the media status. */ 181 ukphy_status(sc); 182 183 /* Callback if something changed. */ 184 mii_phy_update(sc, cmd); 185 return (0); 186 } 187