Current Path : /sys/dev/dc/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/dc/pnphy.c |
/* * Copyright (c) 1997, 1998, 1999 * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/dc/pnphy.c 229093 2011-12-31 14:12:12Z hselasky $"); /* * Pseudo-driver for media selection on the Lite-On PNIC 82c168 * chip. The NWAY support on this chip is horribly broken, so we * only support manual mode selection. This is lame, but getting * NWAY to work right is amazingly difficult. */ #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/socket.h> #include <sys/errno.h> #include <sys/lock.h> #include <sys/module.h> #include <sys/mutex.h> #include <sys/bus.h> #include <net/if.h> #include <net/if_arp.h> #include <net/if_media.h> #include <dev/mii/mii.h> #include <dev/mii/miivar.h> #include "miidevs.h" #include <machine/bus.h> #include <machine/resource.h> #include <dev/dc/if_dcreg.h> #include "miibus_if.h" static int pnphy_probe(device_t); static int pnphy_attach(device_t); static device_method_t pnphy_methods[] = { /* device interface */ DEVMETHOD(device_probe, pnphy_probe), DEVMETHOD(device_attach, pnphy_attach), DEVMETHOD(device_detach, mii_phy_detach), DEVMETHOD(device_shutdown, bus_generic_shutdown), DEVMETHOD_END }; static devclass_t pnphy_devclass; static driver_t pnphy_driver = { "pnphy", pnphy_methods, sizeof(struct mii_softc) }; DRIVER_MODULE(pnphy, miibus, pnphy_driver, pnphy_devclass, 0, 0); static int pnphy_service(struct mii_softc *, struct mii_data *, int); static void pnphy_status(struct mii_softc *); static void pnphy_reset(struct mii_softc *); static const struct mii_phy_funcs pnphy_funcs = { pnphy_service, pnphy_status, pnphy_reset }; static int pnphy_probe(device_t dev) { struct mii_attach_args *ma; ma = device_get_ivars(dev); /* * The dc driver will report the 82c168 vendor and device * ID to let us know that it wants us to attach. */ if (ma->mii_id1 != DC_VENDORID_LO || ma->mii_id2 != DC_DEVICEID_82C168) return (ENXIO); device_set_desc(dev, "PNIC 82c168 media interface"); return (BUS_PROBE_DEFAULT); } static int pnphy_attach(device_t dev) { struct mii_softc *sc; sc = device_get_softc(dev); mii_phy_dev_attach(dev, MIIF_NOISOLATE | MIIF_NOMANPAUSE, &pnphy_funcs, 0); sc->mii_capabilities = BMSR_100TXFDX | BMSR_100TXHDX | BMSR_10TFDX | BMSR_10THDX; sc->mii_capabilities &= sc->mii_capmask; device_printf(dev, " "); mii_phy_add_media(sc); printf("\n"); MIIBUS_MEDIAINIT(sc->mii_dev); return (0); } static int pnphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd) { struct ifmedia_entry *ife = mii->mii_media.ifm_cur; switch (cmd) { case MII_POLLSTAT: break; case MII_MEDIACHG: /* * If the interface is not up, don't do anything. */ if ((mii->mii_ifp->if_flags & IFF_UP) == 0) break; /* * Note that auto-negotiation is broken on this chip. */ switch (IFM_SUBTYPE(ife->ifm_media)) { case IFM_100_TX: mii->mii_media_active = IFM_ETHER | IFM_100_TX; if ((ife->ifm_media & IFM_FDX) != 0) mii->mii_media_active |= IFM_FDX; MIIBUS_STATCHG(sc->mii_dev); return (0); case IFM_10_T: mii->mii_media_active = IFM_ETHER | IFM_10_T; if ((ife->ifm_media & IFM_FDX) != 0) mii->mii_media_active |= IFM_FDX; MIIBUS_STATCHG(sc->mii_dev); return (0); default: return (EINVAL); } break; case MII_TICK: /* * Is the interface even up? */ if ((mii->mii_ifp->if_flags & IFF_UP) == 0) return (0); break; } /* Update the media status. */ PHY_STATUS(sc); /* Callback if something changed. */ mii_phy_update(sc, cmd); return (0); } static void pnphy_status(struct mii_softc *sc) { struct mii_data *mii = sc->mii_pdata; int reg; struct dc_softc *dc_sc; dc_sc = mii->mii_ifp->if_softc; mii->mii_media_status = IFM_AVALID; mii->mii_media_active = IFM_ETHER; reg = CSR_READ_4(dc_sc, DC_ISR); if (!(reg & DC_ISR_LINKFAIL)) mii->mii_media_status |= IFM_ACTIVE; reg = CSR_READ_4(dc_sc, DC_NETCFG); if (reg & DC_NETCFG_SPEEDSEL) mii->mii_media_active |= IFM_10_T; else mii->mii_media_active |= IFM_100_TX; if (reg & DC_NETCFG_FULLDUPLEX) mii->mii_media_active |= IFM_FDX; else mii->mii_media_active |= IFM_HDX; } static void pnphy_reset(struct mii_softc *sc __unused) { }