1 /* $NetBSD: ukphy.c,v 1.2 1999/04/23 04:24:32 thorpej Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause-NetBSD 5 * 6 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 11 * NASA Ames Research Center, and by Frank van der Linden. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /*- 36 * Copyright (c) 1997 Manuel Bouyer. All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 47 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 48 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 49 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 50 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 51 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 52 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 53 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 54 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 55 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 56 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 57 */ 58 59 #include <sys/cdefs.h> 60 __FBSDID("$FreeBSD$"); 61 62 /* 63 * driver for generic unknown PHYs 64 */ 65 66 #include <sys/param.h> 67 #include <sys/systm.h> 68 #include <sys/kernel.h> 69 #include <sys/socket.h> 70 #include <sys/errno.h> 71 #include <sys/module.h> 72 #include <sys/bus.h> 73 74 #include <net/if.h> 75 #include <net/if_media.h> 76 77 #include <dev/mii/mii.h> 78 #include <dev/mii/miivar.h> 79 80 #include "miibus_if.h" 81 82 static int ukphy_probe(device_t); 83 static int ukphy_attach(device_t); 84 85 static device_method_t ukphy_methods[] = { 86 /* device interface */ 87 DEVMETHOD(device_probe, ukphy_probe), 88 DEVMETHOD(device_attach, ukphy_attach), 89 DEVMETHOD(device_detach, mii_phy_detach), 90 DEVMETHOD(device_shutdown, bus_generic_shutdown), 91 DEVMETHOD_END 92 }; 93 94 static devclass_t ukphy_devclass; 95 96 static driver_t ukphy_driver = { 97 "ukphy", 98 ukphy_methods, 99 sizeof(struct mii_softc) 100 }; 101 102 DRIVER_MODULE(ukphy, miibus, ukphy_driver, ukphy_devclass, 0, 0); 103 104 static int ukphy_service(struct mii_softc *, struct mii_data *, int); 105 106 static const struct mii_phy_funcs ukphy_funcs = { 107 ukphy_service, 108 ukphy_status, 109 mii_phy_reset 110 }; 111 112 static int 113 ukphy_probe(device_t dev) 114 { 115 116 /* 117 * We know something is here, so always match at a low priority. 118 */ 119 device_set_desc(dev, "Generic IEEE 802.3u media interface"); 120 return (BUS_PROBE_GENERIC); 121 } 122 123 static int 124 ukphy_attach(device_t dev) 125 { 126 struct mii_softc *sc; 127 128 sc = device_get_softc(dev); 129 130 mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &ukphy_funcs, 1); 131 mii_phy_setmedia(sc); 132 133 return (0); 134 } 135 136 static int 137 ukphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 138 { 139 140 switch (cmd) { 141 case MII_POLLSTAT: 142 break; 143 144 case MII_MEDIACHG: 145 mii_phy_setmedia(sc); 146 break; 147 148 case MII_TICK: 149 if (mii_phy_tick(sc) == EJUSTRETURN) 150 return (0); 151 break; 152 } 153 154 /* Update the media status. */ 155 PHY_STATUS(sc); 156 157 /* Callback if something changed. */ 158 mii_phy_update(sc, cmd); 159 return (0); 160 } 161