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tlphy.c revision 1.57.8.1
      1  1.57.8.1     skrll /*	$NetBSD: tlphy.c,v 1.57.8.1 2009/01/19 13:18:14 skrll Exp $	*/
      2       1.7   thorpej 
      3       1.7   thorpej /*-
      4      1.26   thorpej  * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
      5       1.7   thorpej  * All rights reserved.
      6       1.7   thorpej  *
      7       1.7   thorpej  * This code is derived from software contributed to The NetBSD Foundation
      8       1.7   thorpej  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9       1.7   thorpej  * NASA Ames Research Center.
     10       1.7   thorpej  *
     11       1.7   thorpej  * Redistribution and use in source and binary forms, with or without
     12       1.7   thorpej  * modification, are permitted provided that the following conditions
     13       1.7   thorpej  * are met:
     14       1.7   thorpej  * 1. Redistributions of source code must retain the above copyright
     15       1.7   thorpej  *    notice, this list of conditions and the following disclaimer.
     16       1.7   thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     17       1.7   thorpej  *    notice, this list of conditions and the following disclaimer in the
     18       1.7   thorpej  *    documentation and/or other materials provided with the distribution.
     19       1.7   thorpej  *
     20       1.7   thorpej  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21       1.7   thorpej  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22       1.7   thorpej  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23       1.7   thorpej  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24       1.7   thorpej  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25       1.7   thorpej  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26       1.7   thorpej  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27       1.7   thorpej  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28       1.7   thorpej  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29       1.7   thorpej  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30       1.7   thorpej  * POSSIBILITY OF SUCH DAMAGE.
     31       1.7   thorpej  */
     32       1.7   thorpej 
     33       1.1    bouyer /*
     34       1.1    bouyer  * Copyright (c) 1997 Manuel Bouyer.  All rights reserved.
     35       1.1    bouyer  *
     36       1.1    bouyer  * Redistribution and use in source and binary forms, with or without
     37       1.1    bouyer  * modification, are permitted provided that the following conditions
     38       1.1    bouyer  * are met:
     39       1.1    bouyer  * 1. Redistributions of source code must retain the above copyright
     40       1.1    bouyer  *    notice, this list of conditions and the following disclaimer.
     41       1.1    bouyer  * 2. Redistributions in binary form must reproduce the above copyright
     42       1.1    bouyer  *    notice, this list of conditions and the following disclaimer in the
     43       1.1    bouyer  *    documentation and/or other materials provided with the distribution.
     44       1.1    bouyer  * 3. All advertising materials mentioning features or use of this software
     45       1.1    bouyer  *    must display the following acknowledgement:
     46       1.4   thorpej  *	This product includes software developed by Manuel Bouyer.
     47       1.1    bouyer  * 4. The name of the author may not be used to endorse or promote products
     48       1.1    bouyer  *    derived from this software without specific prior written permission.
     49       1.1    bouyer  *
     50       1.1    bouyer  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     51       1.1    bouyer  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     52       1.1    bouyer  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     53       1.1    bouyer  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     54       1.1    bouyer  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     55       1.1    bouyer  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     56       1.1    bouyer  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     57       1.1    bouyer  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     58       1.1    bouyer  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     59       1.1    bouyer  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     60       1.1    bouyer  */
     61       1.1    bouyer 
     62       1.7   thorpej /*
     63       1.7   thorpej  * Driver for Texas Instruments's ThunderLAN PHYs
     64       1.7   thorpej  */
     65      1.33     lukem 
     66      1.33     lukem #include <sys/cdefs.h>
     67  1.57.8.1     skrll __KERNEL_RCSID(0, "$NetBSD: tlphy.c,v 1.57.8.1 2009/01/19 13:18:14 skrll Exp $");
     68       1.1    bouyer 
     69       1.1    bouyer #include <sys/param.h>
     70       1.1    bouyer #include <sys/systm.h>
     71       1.1    bouyer #include <sys/kernel.h>
     72       1.1    bouyer #include <sys/device.h>
     73       1.1    bouyer #include <sys/socket.h>
     74      1.17   thorpej #include <sys/errno.h>
     75       1.7   thorpej 
     76      1.51        ad #include <sys/bus.h>
     77       1.7   thorpej 
     78       1.1    bouyer #include <net/if.h>
     79       1.1    bouyer #include <net/if_media.h>
     80       1.1    bouyer 
     81       1.7   thorpej #include <net/if_ether.h>
     82       1.1    bouyer 
     83       1.7   thorpej #include <dev/mii/mii.h>
     84       1.7   thorpej #include <dev/mii/miivar.h>
     85       1.7   thorpej #include <dev/mii/miidevs.h>
     86       1.7   thorpej 
     87       1.7   thorpej #include <dev/mii/tlphyreg.h>
     88       1.7   thorpej #include <dev/mii/tlphyvar.h>
     89       1.7   thorpej 
     90       1.7   thorpej /* ThunderLAN PHY can only be on a ThunderLAN */
     91       1.7   thorpej #include <dev/pci/if_tlvar.h>
     92       1.7   thorpej 
     93       1.7   thorpej struct tlphy_softc {
     94       1.7   thorpej 	struct mii_softc sc_mii;		/* generic PHY */
     95       1.7   thorpej 	int sc_tlphycap;
     96      1.17   thorpej 	int sc_need_acomp;
     97       1.7   thorpej };
     98       1.1    bouyer 
     99      1.56   xtraeme static int	tlphymatch(device_t, cfdata_t, void *);
    100      1.56   xtraeme static void	tlphyattach(device_t, device_t, void *);
    101       1.1    bouyer 
    102      1.56   xtraeme CFATTACH_DECL_NEW(tlphy, sizeof(struct tlphy_softc),
    103      1.37   thorpej     tlphymatch, tlphyattach, mii_phy_detach, mii_phy_activate);
    104       1.1    bouyer 
    105      1.41   thorpej static int	tlphy_service(struct mii_softc *, struct mii_data *, int);
    106      1.41   thorpej static int	tlphy_auto(struct tlphy_softc *, int);
    107      1.41   thorpej static void	tlphy_acomp(struct tlphy_softc *);
    108      1.41   thorpej static void	tlphy_status(struct mii_softc *);
    109       1.7   thorpej 
    110      1.41   thorpej static const struct mii_phy_funcs tlphy_funcs = {
    111      1.26   thorpej 	tlphy_service, tlphy_status, mii_phy_reset,
    112      1.26   thorpej };
    113      1.26   thorpej 
    114      1.41   thorpej static const struct mii_phydesc tlphys[] = {
    115      1.30   thorpej 	{ MII_OUI_TI,		MII_MODEL_TI_TLAN10T,
    116      1.30   thorpej 	  MII_STR_TI_TLAN10T },
    117      1.30   thorpej 
    118      1.30   thorpej 	{ 0,			0,
    119      1.30   thorpej 	  NULL },
    120      1.30   thorpej };
    121      1.30   thorpej 
    122      1.41   thorpej static int
    123      1.56   xtraeme tlphymatch(device_t parent, cfdata_t match, void *aux)
    124       1.1    bouyer {
    125      1.42     perry 	struct mii_attach_args *ma = aux;
    126       1.1    bouyer 
    127      1.30   thorpej 	if (mii_phy_match(ma, tlphys) != NULL)
    128      1.15   thorpej 		return (10);
    129       1.7   thorpej 
    130       1.4   thorpej 	return (0);
    131       1.1    bouyer }
    132       1.1    bouyer 
    133      1.41   thorpej static void
    134      1.56   xtraeme tlphyattach(device_t parent, device_t self, void *aux)
    135       1.1    bouyer {
    136      1.57   tsutsui 	struct tlphy_softc *tsc = device_private(self);
    137      1.57   tsutsui 	struct mii_softc *sc = &tsc->sc_mii;
    138      1.46   thorpej 	struct tl_softc *tlsc = device_private(device_parent(self));
    139       1.7   thorpej 	struct mii_attach_args *ma = aux;
    140       1.7   thorpej 	struct mii_data *mii = ma->mii_data;
    141      1.30   thorpej 	const struct mii_phydesc *mpd;
    142       1.7   thorpej 	const char *sep = "";
    143       1.7   thorpej 
    144      1.30   thorpej 	mpd = mii_phy_match(ma, tlphys);
    145      1.39   thorpej 	aprint_naive(": Media interface\n");
    146      1.39   thorpej 	aprint_normal(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
    147       1.7   thorpej 
    148      1.57   tsutsui 	sc->mii_dev = self;
    149      1.57   tsutsui 	sc->mii_inst = mii->mii_instance;
    150      1.57   tsutsui 	sc->mii_phy = ma->mii_phyno;
    151      1.57   tsutsui 	sc->mii_funcs = &tlphy_funcs;
    152      1.57   tsutsui 	sc->mii_pdata = mii;
    153      1.57   tsutsui 	sc->mii_flags = ma->mii_flags;
    154      1.57   tsutsui 	sc->mii_anegticks = MII_ANEGTICKS;
    155       1.7   thorpej 
    156      1.57   tsutsui 	PHY_RESET(sc);
    157       1.7   thorpej 
    158       1.7   thorpej 	/*
    159       1.7   thorpej 	 * Note that if we're on a device that also supports 100baseTX,
    160       1.7   thorpej 	 * we are not going to want to use the built-in 10baseT port,
    161       1.7   thorpej 	 * since there will be another PHY on the MII wired up to the
    162       1.7   thorpej 	 * UTP connector.  The parent indicates this to us by specifying
    163       1.7   thorpej 	 * the TLPHY_MEDIA_NO_10_T bit.
    164       1.7   thorpej 	 */
    165      1.57   tsutsui 	tsc->sc_tlphycap = tlsc->tl_product->tp_tlphymedia;
    166      1.57   tsutsui 	if ((tsc->sc_tlphycap & TLPHY_MEDIA_NO_10_T) == 0)
    167      1.57   tsutsui 		sc->mii_capabilities =
    168      1.57   tsutsui 		    PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
    169       1.7   thorpej 	else
    170      1.57   tsutsui 		sc->mii_capabilities = 0;
    171       1.7   thorpej 
    172      1.19   thorpej 
    173       1.7   thorpej #define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
    174      1.39   thorpej #define	PRINT(str)	aprint_normal("%s%s", sep, str); sep = ", "
    175       1.7   thorpej 
    176      1.56   xtraeme 	aprint_normal_dev(self, "");
    177      1.57   tsutsui 	if (tsc->sc_tlphycap) {
    178      1.57   tsutsui 		if (tsc->sc_tlphycap & TLPHY_MEDIA_10_2) {
    179       1.7   thorpej 			ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_2, 0,
    180      1.57   tsutsui 			    sc->mii_inst), 0);
    181      1.19   thorpej 			PRINT("10base2");
    182      1.57   tsutsui 		} else if (tsc->sc_tlphycap & TLPHY_MEDIA_10_5) {
    183       1.7   thorpej 			ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_5, 0,
    184      1.57   tsutsui 			    sc->mii_inst), 0);
    185      1.19   thorpej 			PRINT("10base5");
    186       1.7   thorpej 		}
    187       1.7   thorpej 	}
    188      1.57   tsutsui 	if (sc->mii_capabilities & BMSR_MEDIAMASK) {
    189      1.39   thorpej 		aprint_normal("%s", sep);
    190      1.57   tsutsui 		mii_phy_add_media(sc);
    191      1.57   tsutsui 	} else if ((tsc->sc_tlphycap &
    192      1.19   thorpej 		    (TLPHY_MEDIA_10_2 | TLPHY_MEDIA_10_5)) == 0)
    193      1.39   thorpej 		aprint_error("no media present");
    194  1.57.8.1     skrll 	else if (!pmf_device_register(self, NULL, mii_phy_resume)) {
    195  1.57.8.1     skrll 		aprint_normal("\n");
    196  1.57.8.1     skrll 		aprint_error_dev(self, "couldn't establish power handler");
    197  1.57.8.1     skrll 	}
    198      1.39   thorpej 	aprint_normal("\n");
    199       1.7   thorpej #undef ADD
    200       1.7   thorpej #undef PRINT
    201       1.7   thorpej }
    202       1.7   thorpej 
    203      1.41   thorpej static int
    204      1.57   tsutsui tlphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
    205       1.7   thorpej {
    206      1.57   tsutsui 	struct tlphy_softc *tsc = (struct tlphy_softc *)sc;
    207      1.11   thorpej 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
    208       1.7   thorpej 	int reg;
    209      1.21   thorpej 
    210      1.57   tsutsui 	if ((sc->mii_flags & MIIF_DOINGAUTO) == 0 && tsc->sc_need_acomp)
    211      1.57   tsutsui 		tlphy_acomp(tsc);
    212      1.17   thorpej 
    213       1.7   thorpej 	switch (cmd) {
    214       1.7   thorpej 	case MII_POLLSTAT:
    215       1.7   thorpej 		/*
    216       1.7   thorpej 		 * If we're not polling our PHY instance, just return.
    217       1.7   thorpej 		 */
    218      1.57   tsutsui 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
    219       1.7   thorpej 			return (0);
    220       1.1    bouyer 		break;
    221       1.7   thorpej 
    222       1.7   thorpej 	case MII_MEDIACHG:
    223       1.7   thorpej 		/*
    224       1.7   thorpej 		 * If the media indicates a different PHY instance,
    225       1.7   thorpej 		 * isolate ourselves.
    226       1.7   thorpej 		 */
    227      1.57   tsutsui 		if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
    228      1.57   tsutsui 			reg = PHY_READ(sc, MII_BMCR);
    229      1.57   tsutsui 			PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
    230       1.7   thorpej 			return (0);
    231       1.7   thorpej 		}
    232      1.42     perry 
    233       1.7   thorpej 		/*
    234       1.7   thorpej 		 * If the interface is not up, don't do anything.
    235       1.7   thorpej 		 */
    236       1.7   thorpej 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
    237       1.7   thorpej 			break;
    238       1.7   thorpej 
    239      1.11   thorpej 		switch (IFM_SUBTYPE(ife->ifm_media)) {
    240       1.7   thorpej 		case IFM_AUTO:
    241       1.7   thorpej 			/*
    242       1.7   thorpej 			 * The ThunderLAN PHY doesn't self-configure after
    243       1.7   thorpej 			 * an autonegotiation cycle, so there's no such
    244       1.7   thorpej 			 * thing as "already in auto mode".
    245       1.7   thorpej 			 */
    246      1.57   tsutsui 			(void) tlphy_auto(tsc, 1);
    247       1.7   thorpej 			break;
    248       1.7   thorpej 		case IFM_10_2:
    249       1.7   thorpej 		case IFM_10_5:
    250      1.57   tsutsui 			PHY_WRITE(sc, MII_BMCR, 0);
    251      1.57   tsutsui 			PHY_WRITE(sc, MII_TLPHY_CTRL, CTRL_AUISEL);
    252       1.7   thorpej 			delay(100000);
    253       1.7   thorpej 			break;
    254       1.7   thorpej 		default:
    255      1.57   tsutsui 			PHY_WRITE(sc, MII_TLPHY_CTRL, 0);
    256       1.7   thorpej 			delay(100000);
    257      1.57   tsutsui 			mii_phy_setmedia(sc);
    258       1.7   thorpej 		}
    259       1.1    bouyer 		break;
    260       1.7   thorpej 
    261       1.7   thorpej 	case MII_TICK:
    262       1.7   thorpej 		/*
    263       1.7   thorpej 		 * If we're not currently selected, just return.
    264       1.7   thorpej 		 */
    265      1.57   tsutsui 		if (IFM_INST(ife->ifm_media) != sc->mii_inst)
    266       1.7   thorpej 			return (0);
    267       1.7   thorpej 
    268       1.7   thorpej 		/*
    269       1.7   thorpej 		 * Only used for autonegotiation.
    270       1.7   thorpej 		 */
    271      1.11   thorpej 		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
    272       1.7   thorpej 			return (0);
    273       1.7   thorpej 
    274       1.7   thorpej 		/*
    275       1.7   thorpej 		 * Is the interface even up?
    276       1.7   thorpej 		 */
    277       1.7   thorpej 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
    278       1.7   thorpej 			return (0);
    279       1.7   thorpej 
    280       1.7   thorpej 		/*
    281       1.7   thorpej 		 * XXX WHAT ABOUT CHECKING LINK ON THE BNC/AUI?!
    282       1.7   thorpej 		 */
    283       1.7   thorpej 
    284      1.57   tsutsui 		if (mii_phy_tick(sc) == EJUSTRETURN)
    285      1.17   thorpej 			return (0);
    286       1.3  christos 		break;
    287      1.20   thorpej 
    288      1.20   thorpej 	case MII_DOWN:
    289      1.57   tsutsui 		mii_phy_down(sc);
    290      1.20   thorpej 		return (0);
    291       1.1    bouyer 	}
    292       1.1    bouyer 
    293       1.7   thorpej 	/* Update the media status. */
    294      1.57   tsutsui 	mii_phy_status(sc);
    295       1.7   thorpej 
    296       1.7   thorpej 	/* Callback if something changed. */
    297      1.57   tsutsui 	mii_phy_update(sc, cmd);
    298       1.7   thorpej 	return (0);
    299       1.1    bouyer }
    300       1.1    bouyer 
    301      1.41   thorpej static void
    302      1.57   tsutsui tlphy_status(struct mii_softc *sc)
    303       1.1    bouyer {
    304      1.57   tsutsui 	struct tlphy_softc *tsc = (struct tlphy_softc *)sc;
    305      1.57   tsutsui 	struct mii_data *mii = sc->mii_pdata;
    306       1.7   thorpej 	int bmsr, bmcr, tlctrl;
    307       1.4   thorpej 
    308       1.7   thorpej 	mii->mii_media_status = IFM_AVALID;
    309       1.7   thorpej 	mii->mii_media_active = IFM_ETHER;
    310       1.1    bouyer 
    311      1.57   tsutsui 	bmcr = PHY_READ(sc, MII_BMCR);
    312       1.7   thorpej 	if (bmcr & BMCR_ISO) {
    313       1.7   thorpej 		mii->mii_media_active |= IFM_NONE;
    314      1.42     perry 		mii->mii_media_status = 0;
    315       1.7   thorpej 		return;
    316       1.1    bouyer 	}
    317       1.1    bouyer 
    318      1.57   tsutsui 	tlctrl = PHY_READ(sc, MII_TLPHY_CTRL);
    319       1.7   thorpej 	if (tlctrl & CTRL_AUISEL) {
    320      1.57   tsutsui 		if (tsc->sc_tlphycap & TLPHY_MEDIA_10_2)
    321      1.10    bouyer 			mii->mii_media_active |= IFM_10_2;
    322      1.57   tsutsui 		else if (tsc->sc_tlphycap & TLPHY_MEDIA_10_5)
    323      1.10    bouyer 			mii->mii_media_active |= IFM_10_5;
    324       1.1    bouyer 		else
    325      1.10    bouyer 			printf("%s: AUI selected with no matching media !\n",
    326      1.57   tsutsui 			    device_xname(sc->mii_dev));
    327      1.31    bouyer 		mii->mii_media_status |= IFM_ACTIVE;
    328       1.7   thorpej 		return;
    329       1.1    bouyer 	}
    330      1.10    bouyer 
    331      1.57   tsutsui 	bmsr = PHY_READ(sc, MII_BMSR) |
    332      1.57   tsutsui 	    PHY_READ(sc, MII_BMSR);
    333      1.42     perry 	if (bmsr & BMSR_LINK)
    334      1.10    bouyer 		mii->mii_media_status |= IFM_ACTIVE;
    335       1.7   thorpej 
    336       1.7   thorpej 	if (bmcr & BMCR_LOOP)
    337       1.7   thorpej 		mii->mii_media_active |= IFM_LOOP;
    338       1.7   thorpej 
    339       1.7   thorpej 	/*
    340       1.7   thorpej 	 * Grr, braindead ThunderLAN PHY doesn't have any way to
    341       1.7   thorpej 	 * tell which media is actually active.  (Note it also
    342       1.7   thorpej 	 * doesn't self-configure after autonegotiation.)  We
    343       1.7   thorpej 	 * just have to report what's in the BMCR.
    344       1.7   thorpej 	 */
    345       1.7   thorpej 	if (bmcr & BMCR_FDX)
    346       1.7   thorpej 		mii->mii_media_active |= IFM_FDX;
    347       1.7   thorpej 	mii->mii_media_active |= IFM_10_T;
    348       1.1    bouyer }
    349       1.1    bouyer 
    350      1.41   thorpej static int
    351      1.57   tsutsui tlphy_auto(struct tlphy_softc *tsc, int waitfor)
    352      1.17   thorpej {
    353      1.57   tsutsui 	struct mii_softc *sc = &tsc->sc_mii;
    354      1.17   thorpej 	int error;
    355      1.17   thorpej 
    356      1.57   tsutsui 	switch ((error = mii_phy_auto(sc, waitfor))) {
    357      1.17   thorpej 	case EIO:
    358      1.17   thorpej 		/*
    359      1.17   thorpej 		 * Just assume we're not in full-duplex mode.
    360      1.17   thorpej 		 * XXX Check link and try AUI/BNC?
    361      1.17   thorpej 		 */
    362      1.57   tsutsui 		PHY_WRITE(sc, MII_BMCR, 0);
    363      1.17   thorpej 		break;
    364      1.17   thorpej 
    365      1.17   thorpej 	case EJUSTRETURN:
    366      1.17   thorpej 		/* Flag that we need to program when it completes. */
    367      1.57   tsutsui 		tsc->sc_need_acomp = 1;
    368      1.17   thorpej 		break;
    369      1.17   thorpej 
    370      1.17   thorpej 	default:
    371      1.57   tsutsui 		tlphy_acomp(tsc);
    372      1.17   thorpej 	}
    373      1.17   thorpej 
    374      1.17   thorpej 	return (error);
    375      1.17   thorpej }
    376      1.17   thorpej 
    377      1.41   thorpej static void
    378      1.57   tsutsui tlphy_acomp(struct tlphy_softc *tsc)
    379       1.1    bouyer {
    380      1.57   tsutsui 	struct mii_softc *sc = &tsc->sc_mii;
    381      1.13   thorpej 	int aner, anlpar;
    382       1.1    bouyer 
    383      1.57   tsutsui 	tsc->sc_need_acomp = 0;
    384       1.7   thorpej 
    385       1.7   thorpej 	/*
    386       1.7   thorpej 	 * Grr, braindead ThunderLAN PHY doesn't self-configure
    387       1.7   thorpej 	 * after autonegotiation.  We have to do it ourselves
    388       1.7   thorpej 	 * based on the link partner status.
    389       1.7   thorpej 	 */
    390       1.7   thorpej 
    391      1.57   tsutsui 	aner = PHY_READ(sc, MII_ANER);
    392       1.7   thorpej 	if (aner & ANER_LPAN) {
    393      1.57   tsutsui 		anlpar = PHY_READ(sc, MII_ANLPAR) &
    394      1.57   tsutsui 		    PHY_READ(sc, MII_ANAR);
    395       1.7   thorpej 		if (anlpar & ANAR_10_FD) {
    396      1.57   tsutsui 			PHY_WRITE(sc, MII_BMCR, BMCR_FDX);
    397       1.7   thorpej 			return;
    398       1.7   thorpej 		}
    399       1.7   thorpej 	}
    400      1.57   tsutsui 	PHY_WRITE(sc, MII_BMCR, 0);
    401       1.1    bouyer }
    402