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 80static int ukphy_probe(device_t); 81static int ukphy_attach(device_t); 82 83static 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 DEVMETHOD_END 90}; 91 92static devclass_t ukphy_devclass; 93 94static driver_t ukphy_driver = { 95 "ukphy", 96 ukphy_methods, 97 sizeof(struct mii_softc) 98}; 99 100DRIVER_MODULE(ukphy, miibus, ukphy_driver, ukphy_devclass, 0, 0); 101 102static int ukphy_service(struct mii_softc *, struct mii_data *, int); 103 104static const struct mii_phy_funcs ukphy_funcs = { 105 ukphy_service, 106 ukphy_status, 107 mii_phy_reset 108}; 109 110static int 111ukphy_probe(device_t dev) 112{ 113 114 /* 115 * We know something is here, so always match at a low priority. 116 */ 117 device_set_desc(dev, "Generic IEEE 802.3u media interface"); 118 return (BUS_PROBE_GENERIC); 119} 120 121static int 122ukphy_attach(device_t dev) 123{ 124 struct mii_softc *sc; 125 126 sc = device_get_softc(dev); 127 128 mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &ukphy_funcs, 1); 129 mii_phy_setmedia(sc); 130 131 return (0); 132} 133 134static int 135ukphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 136{ 137 138 switch (cmd) { 139 case MII_POLLSTAT: 140 break; 141 142 case MII_MEDIACHG: 143 /* 144 * If the interface is not up, don't do anything. 145 */ 146 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 147 break; 148 149 mii_phy_setmedia(sc); 150 break; 151 152 case MII_TICK: 153 if (mii_phy_tick(sc) == EJUSTRETURN) 154 return (0); 155 break; 156 } 157 158 /* Update the media status. */ 159 PHY_STATUS(sc); 160 161 /* Callback if something changed. */ 162 mii_phy_update(sc, cmd); 163 return (0); 164} 165