1139749Simp/*- 266129Swpaul * Copyright (c) 2000 Berkeley Software Design, Inc. 366129Swpaul * Copyright (c) 1997, 1998, 1999, 2000 466129Swpaul * Bill Paul <wpaul@osd.bsdi.com>. All rights reserved. 566129Swpaul * 666129Swpaul * Redistribution and use in source and binary forms, with or without 766129Swpaul * modification, are permitted provided that the following conditions 866129Swpaul * are met: 966129Swpaul * 1. Redistributions of source code must retain the above copyright 1066129Swpaul * notice, this list of conditions and the following disclaimer. 1166129Swpaul * 2. Redistributions in binary form must reproduce the above copyright 1266129Swpaul * notice, this list of conditions and the following disclaimer in the 1366129Swpaul * documentation and/or other materials provided with the distribution. 1466129Swpaul * 3. All advertising materials mentioning features or use of this software 1566129Swpaul * must display the following acknowledgement: 1666129Swpaul * This product includes software developed by Bill Paul. 1766129Swpaul * 4. Neither the name of the author nor the names of any co-contributors 1866129Swpaul * may be used to endorse or promote products derived from this software 1966129Swpaul * without specific prior written permission. 2066129Swpaul * 2166129Swpaul * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 2266129Swpaul * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2366129Swpaul * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2466129Swpaul * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 2566129Swpaul * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2666129Swpaul * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2766129Swpaul * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2866129Swpaul * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2966129Swpaul * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3066129Swpaul * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 3166129Swpaul * THE POSSIBILITY OF SUCH DAMAGE. 3266129Swpaul */ 3366129Swpaul 34119418Sobrien#include <sys/cdefs.h> 35119418Sobrien__FBSDID("$FreeBSD$"); 36119418Sobrien 3766129Swpaul/* 3866129Swpaul * driver for homePNA PHYs 3966129Swpaul * This is really just a stub that allows us to identify homePNA-based 4066129Swpaul * transceicers and display the link status. MII-based homePNA PHYs 4166129Swpaul * only support one media type and no autonegotiation. If we were 4266129Swpaul * really clever, we could tweak some of the vendor-specific registers 4366129Swpaul * to optimize the link. 4466129Swpaul */ 4566129Swpaul 4666129Swpaul#include <sys/param.h> 4766129Swpaul#include <sys/systm.h> 4866129Swpaul#include <sys/kernel.h> 4966129Swpaul#include <sys/socket.h> 5066129Swpaul#include <sys/errno.h> 5166129Swpaul#include <sys/module.h> 5266129Swpaul#include <sys/bus.h> 5366129Swpaul 5466129Swpaul#include <net/if.h> 5566129Swpaul#include <net/if_media.h> 5666129Swpaul 5766129Swpaul#include <dev/mii/mii.h> 5866129Swpaul#include <dev/mii/miivar.h> 59109514Sobrien#include "miidevs.h" 6066129Swpaul 6166129Swpaul#include "miibus_if.h" 6266129Swpaul 63105135Salfredstatic int pnaphy_probe(device_t); 64105135Salfredstatic int pnaphy_attach(device_t); 6566129Swpaul 6666129Swpaulstatic device_method_t pnaphy_methods[] = { 6766129Swpaul /* device interface */ 6866129Swpaul DEVMETHOD(device_probe, pnaphy_probe), 6966129Swpaul DEVMETHOD(device_attach, pnaphy_attach), 7095722Sphk DEVMETHOD(device_detach, mii_phy_detach), 7166129Swpaul DEVMETHOD(device_shutdown, bus_generic_shutdown), 72227908Smarius DEVMETHOD_END 7366129Swpaul}; 7466129Swpaul 7566129Swpaulstatic devclass_t pnaphy_devclass; 7666129Swpaul 7766129Swpaulstatic driver_t pnaphy_driver = { 7866129Swpaul "pnaphy", 7966129Swpaul pnaphy_methods, 8066129Swpaul sizeof(struct mii_softc) 8166129Swpaul}; 8266129Swpaul 8366129SwpaulDRIVER_MODULE(pnaphy, miibus, pnaphy_driver, pnaphy_devclass, 0, 0); 8466129Swpaul 8592739Salfredstatic int pnaphy_service(struct mii_softc *, struct mii_data *,int); 8666129Swpaul 87164827Smariusstatic const struct mii_phydesc pnaphys[] = { 88221407Smarius MII_PHY_DESC(yyAMD, 79c901home), 89164827Smarius MII_PHY_END 90164827Smarius}; 91164827Smarius 92221407Smariusstatic const struct mii_phy_funcs pnaphy_funcs = { 93221407Smarius pnaphy_service, 94221407Smarius ukphy_status, 95221407Smarius mii_phy_reset 96221407Smarius}; 97221407Smarius 9866129Swpaulstatic int 99150763Simppnaphy_probe(device_t dev) 10066129Swpaul{ 10166129Swpaul 102164827Smarius return (mii_phy_dev_probe(dev, pnaphys, BUS_PROBE_DEFAULT)); 10366129Swpaul} 10466129Swpaul 10566129Swpaulstatic int 106150763Simppnaphy_attach(device_t dev) 10766129Swpaul{ 10866129Swpaul 109221407Smarius mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_IS_HPNA | 110221407Smarius MIIF_NOMANPAUSE, &pnaphy_funcs, 1); 111164827Smarius return (0); 11266129Swpaul} 11366129Swpaul 114104094Sphkstatic int 115150763Simppnaphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) 11666129Swpaul{ 11766129Swpaul struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 11866129Swpaul 11966129Swpaul switch (cmd) { 12066129Swpaul case MII_POLLSTAT: 12166129Swpaul break; 12266129Swpaul 12366129Swpaul case MII_MEDIACHG: 12466129Swpaul /* 12566129Swpaul * If the interface is not up, don't do anything. 12666129Swpaul */ 12766129Swpaul if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 12866129Swpaul break; 12966129Swpaul 13066129Swpaul switch (IFM_SUBTYPE(ife->ifm_media)) { 131214263Smarius case IFM_HPNA_1: 132214263Smarius mii_phy_setmedia(sc); 133214263Smarius break; 134214263Smarius default: 13566129Swpaul return (EINVAL); 13666129Swpaul } 13766129Swpaul break; 13866129Swpaul 13966129Swpaul case MII_TICK: 14084145Sjlemon if (mii_phy_tick(sc) == EJUSTRETURN) 14166129Swpaul return (0); 14266129Swpaul break; 14366129Swpaul } 14466129Swpaul 14566129Swpaul /* Update the media status. */ 146221407Smarius PHY_STATUS(sc); 14766129Swpaul if (IFM_SUBTYPE(mii->mii_media_active) == IFM_10_T) 148214263Smarius mii->mii_media_active = IFM_ETHER | IFM_HPNA_1; 14966129Swpaul 15066129Swpaul /* Callback if something changed. */ 15184145Sjlemon mii_phy_update(sc, cmd); 15266129Swpaul return (0); 15366129Swpaul} 154