Return to txphy.c CVS log

Up to [local] / sys / dev / mii

Annotation of sys/dev/mii/txphy.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: txphy.c,v 1.10 2005/02/19 06:00:04 brad Exp $ */
                      2:
                      3: /*
                      4:  * Copyright (c) 1999 Jason L. Wright (jason@thought.net)
                      5:  * All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  *
                     16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     18:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
                     19:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
                     20:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
                     21:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     22:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
                     24:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
                     25:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     26:  * POSSIBILITY OF SUCH DAMAGE.
                     27:  */
                     28:
                     29: /*
                     30:  * Driver for the Texas Instruments TNETE2101 phy.
                     31:  */
                     32:
                     33: #include <sys/param.h>
                     34: #include <sys/systm.h>
                     35: #include <sys/kernel.h>
                     36: #include <sys/device.h>
                     37: #include <sys/socket.h>
                     38: #include <sys/errno.h>
                     39:
                     40: #include <net/if.h>
                     41: #include <net/if_media.h>
                     42:
                     43: #include <dev/mii/mii.h>
                     44: #include <dev/mii/miivar.h>
                     45: #include <dev/mii/miidevs.h>
                     46:
                     47: int    txphymatch(struct device *, void *, void *);
                     48: void   txphyattach(struct device *, struct device *, void *);
                     49:
                     50: struct cfattach txphy_ca = {
                     51:        sizeof(struct mii_softc), txphymatch, txphyattach, mii_phy_detach,
                     52:            mii_phy_activate
                     53: };
                     54:
                     55: struct cfdriver txphy_cd = {
                     56:        NULL, "txphy", DV_DULL
                     57: };
                     58:
                     59: int    txphy_service(struct mii_softc *, struct mii_data *, int);
                     60:
                     61: const struct mii_phy_funcs txphy_funcs = {
                     62:        txphy_service, ukphy_status, mii_phy_reset,
                     63: };
                     64:
                     65: static const struct mii_phydesc txphys[] = {
                     66:        { MII_OUI_xxTI, MII_MODEL_xxTI_TNETE2101,
                     67:          MII_STR_xxTI_TNETE2101 },
                     68:
                     69:        { 0,                    0,
                     70:          NULL },
                     71: };
                     72:
                     73: int
                     74: txphymatch(struct device *parent, void *match, void *aux)
                     75: {
                     76:        struct mii_attach_args *ma = aux;
                     77:
                     78:        if (mii_phy_match(ma, txphys) != NULL)
                     79:                return (10);
                     80:
                     81:        return (0);
                     82: }
                     83:
                     84: void
                     85: txphyattach(struct device *parent, struct device *self, void *aux)
                     86: {
                     87:        struct mii_softc *sc = (struct mii_softc *)self;
                     88:        struct mii_attach_args *ma = aux;
                     89:        struct mii_data *mii = ma->mii_data;
                     90:        const struct mii_phydesc *mpd;
                     91:
                     92:        mpd = mii_phy_match(ma, txphys);
                     93:        printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
                     94:
                     95:        sc->mii_inst = mii->mii_instance;
                     96:        sc->mii_phy = ma->mii_phyno;
                     97:        sc->mii_funcs = &txphy_funcs;
                     98:        sc->mii_pdata = mii;
                     99:        sc->mii_flags = ma->mii_flags;
                    100:
                    101:        PHY_RESET(sc);
                    102:
                    103:        sc->mii_capabilities =
                    104:            PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
                    105:        if (sc->mii_capabilities & BMSR_MEDIAMASK)
                    106:                mii_phy_add_media(sc);
                    107: }
                    108:
                    109: int
                    110: txphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
                    111: {
                    112:        struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
                    113:
                    114:        if ((sc->mii_dev.dv_flags & DVF_ACTIVE) == 0)
                    115:                return (ENXIO);
                    116:
                    117:        /*
                    118:         * Can't isolate the RTL8139 phy, so it has to be the only one.
                    119:         */
                    120:        if (IFM_INST(ife->ifm_media) != sc->mii_inst)
                    121:                panic("txphy_service: attempt to isolate phy");
                    122:
                    123:        switch (cmd) {
                    124:        case MII_POLLSTAT:
                    125:                break;
                    126:
                    127:        case MII_MEDIACHG:
                    128:                /*
                    129:                 * If the interface is not up, don't do anything.
                    130:                 */
                    131:                if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
                    132:                        break;
                    133:
                    134:                mii_phy_setmedia(sc);
                    135:                break;
                    136:
                    137:        case MII_TICK:
                    138:                if (mii_phy_tick(sc) == EJUSTRETURN)
                    139:                        return (0);
                    140:                break;
                    141:
                    142:        case MII_DOWN:
                    143:                mii_phy_down(sc);
                    144:                return (0);
                    145:        }
                    146:
                    147:        /* Update the media status. */
                    148:        mii_phy_status(sc);
                    149:
                    150:        /* Callback if something changed. */
                    151:        mii_phy_update(sc, cmd);
                    152:        return (0);
                    153: }