Annotation of sys/dev/mii/acphy.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: acphy.c,v 1.6 2006/12/27 19:11:08 kettenis Exp $ */
! 2: /* $NetBSD: acphy.c,v 1.13 2003/04/29 01:49:33 thorpej Exp $ */
! 3:
! 4: /*
! 5: * Copyright 2001 Wasabi Systems, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * Written by Jason R. Thorpe for Wasabi Systems, Inc.
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed for the NetBSD Project by
! 21: * Wasabi Systems, Inc.
! 22: * 4. The name of Wasabi Systems, Inc. may not be used to endorse
! 23: * or promote products derived from this software without specific prior
! 24: * written permission.
! 25: *
! 26: * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
! 27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
! 30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 36: * POSSIBILITY OF SUCH DAMAGE.
! 37: */
! 38:
! 39: /*
! 40: * Driver for the Altima AC101 PHY.
! 41: */
! 42:
! 43: #include <sys/param.h>
! 44: #include <sys/systm.h>
! 45: #include <sys/kernel.h>
! 46: #include <sys/device.h>
! 47: #include <sys/socket.h>
! 48: #include <sys/errno.h>
! 49:
! 50: #include <net/if.h>
! 51: #include <net/if_media.h>
! 52:
! 53: #include <dev/mii/mii.h>
! 54: #include <dev/mii/miivar.h>
! 55: #include <dev/mii/miidevs.h>
! 56:
! 57: #include <dev/mii/acphyreg.h>
! 58:
! 59: int acphymatch(struct device *, void *, void *);
! 60: void acphyattach(struct device *, struct device *, void *);
! 61:
! 62: struct cfattach acphy_ca = {
! 63: sizeof(struct mii_softc), acphymatch, acphyattach, mii_phy_detach,
! 64: mii_phy_activate
! 65: };
! 66:
! 67: struct cfdriver acphy_cd = {
! 68: NULL, "acphy", DV_DULL
! 69: };
! 70:
! 71: int acphy_service(struct mii_softc *, struct mii_data *, int);
! 72: void acphy_status(struct mii_softc *);
! 73:
! 74: const struct mii_phy_funcs acphy_funcs = {
! 75: acphy_service, acphy_status, mii_phy_reset,
! 76: };
! 77:
! 78: static const struct mii_phydesc acphys[] = {
! 79: { MII_OUI_xxALTIMA, MII_MODEL_xxALTIMA_AC101,
! 80: MII_STR_xxALTIMA_AC101 },
! 81: { MII_OUI_xxALTIMA, MII_MODEL_xxALTIMA_AC101L,
! 82: MII_STR_xxALTIMA_AC101L },
! 83: { MII_OUI_xxALTIMA, MII_MODEL_xxALTIMA_AC_UNKNOWN,
! 84: MII_STR_xxALTIMA_AC_UNKNOWN },
! 85:
! 86: { 0, 0,
! 87: NULL },
! 88: };
! 89:
! 90: int
! 91: acphymatch(struct device *parent, void *match, void *aux)
! 92: {
! 93: struct mii_attach_args *ma = aux;
! 94:
! 95: if (mii_phy_match(ma, acphys) != NULL)
! 96: return (10);
! 97:
! 98: return (0);
! 99: }
! 100:
! 101: void
! 102: acphyattach(struct device *parent, struct device *self, void *aux)
! 103: {
! 104: struct mii_softc *sc = (struct mii_softc *)self;
! 105: struct mii_attach_args *ma = aux;
! 106: struct mii_data *mii = ma->mii_data;
! 107: const struct mii_phydesc *mpd;
! 108:
! 109: mpd = mii_phy_match(ma, acphys);
! 110: printf(": %s, rev. %d\n", mpd->mpd_name, MII_REV(ma->mii_id2));
! 111:
! 112: sc->mii_inst = mii->mii_instance;
! 113: sc->mii_phy = ma->mii_phyno;
! 114: sc->mii_funcs = &acphy_funcs;
! 115: sc->mii_pdata = mii;
! 116: sc->mii_flags = ma->mii_flags;
! 117: sc->mii_anegticks = MII_ANEGTICKS;
! 118:
! 119: PHY_RESET(sc);
! 120:
! 121: /*
! 122: * XXX Check MCR_FX_SEL to set MIIF_HAVE_FIBER?
! 123: */
! 124:
! 125: sc->mii_capabilities =
! 126: PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
! 127:
! 128: #define ADD(m, c) ifmedia_add(&mii->mii_media, (m), (c), NULL)
! 129: if (sc->mii_flags & MIIF_HAVEFIBER) {
! 130: ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, 0, sc->mii_inst),
! 131: MII_MEDIA_100_TX);
! 132: ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, IFM_FDX, sc->mii_inst),
! 133: MII_MEDIA_100_TX);
! 134: }
! 135: #undef ADD
! 136:
! 137: if (sc->mii_capabilities & BMSR_MEDIAMASK)
! 138: mii_phy_add_media(sc);
! 139: }
! 140:
! 141: int
! 142: acphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
! 143: {
! 144: struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
! 145: int reg;
! 146:
! 147: switch (cmd) {
! 148: case MII_POLLSTAT:
! 149: /*
! 150: * If we're not polling our PHY instance, just return.
! 151: */
! 152: if (IFM_INST(ife->ifm_media) != sc->mii_inst)
! 153: return (0);
! 154: break;
! 155:
! 156: case MII_MEDIACHG:
! 157: /*
! 158: * If the media indicates a different PHY instance,
! 159: * isolate ourselves.
! 160: */
! 161: if (IFM_INST(ife->ifm_media) != sc->mii_inst) {
! 162: reg = PHY_READ(sc, MII_BMCR);
! 163: PHY_WRITE(sc, MII_BMCR, reg | BMCR_ISO);
! 164: return (0);
! 165: }
! 166:
! 167: /*
! 168: * If the interface is not up, don't do anything.
! 169: */
! 170: if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
! 171: break;
! 172:
! 173: mii_phy_setmedia(sc);
! 174: break;
! 175:
! 176: case MII_TICK:
! 177: /*
! 178: * If we're not currently selected, just return.
! 179: */
! 180: if (IFM_INST(ife->ifm_media) != sc->mii_inst)
! 181: return (0);
! 182:
! 183: if (mii_phy_tick(sc) == EJUSTRETURN)
! 184: return (0);
! 185: break;
! 186:
! 187: case MII_DOWN:
! 188: mii_phy_down(sc);
! 189: return (0);
! 190: }
! 191:
! 192: /* Update the media status. */
! 193: mii_phy_status(sc);
! 194:
! 195: /* Callback if something changed. */
! 196: mii_phy_update(sc, cmd);
! 197: return (0);
! 198: }
! 199:
! 200: void
! 201: acphy_status(struct mii_softc *sc)
! 202: {
! 203: struct mii_data *mii = sc->mii_pdata;
! 204: struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
! 205: int bmsr, bmcr, dr;
! 206:
! 207: mii->mii_media_status = IFM_AVALID;
! 208: mii->mii_media_active = IFM_ETHER;
! 209:
! 210: bmsr = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
! 211: dr = PHY_READ(sc, MII_ACPHY_DR);
! 212:
! 213: if (bmsr & BMSR_LINK)
! 214: mii->mii_media_status |= IFM_ACTIVE;
! 215:
! 216: bmcr = PHY_READ(sc, MII_BMCR);
! 217: if (bmcr & BMCR_ISO) {
! 218: mii->mii_media_active |= IFM_NONE;
! 219: mii->mii_media_status = 0;
! 220: return;
! 221: }
! 222:
! 223: if (bmcr & BMCR_LOOP)
! 224: mii->mii_media_active |= IFM_LOOP;
! 225:
! 226: if (bmcr & BMCR_AUTOEN) {
! 227: /*
! 228: * The media status bits are only valid if autonegotiation
! 229: * has completed (or it's disabled).
! 230: */
! 231: if ((bmsr & BMSR_ACOMP) == 0) {
! 232: /* Erg, still trying, I guess... */
! 233: mii->mii_media_active |= IFM_NONE;
! 234: return;
! 235: }
! 236:
! 237: if (dr & DR_SPEED)
! 238: mii->mii_media_active |= IFM_100_TX;
! 239: else
! 240: mii->mii_media_active |= IFM_10_T;
! 241:
! 242: if (dr & DR_DPLX)
! 243: mii->mii_media_active |= IFM_FDX;
! 244: else
! 245: mii->mii_media_active |= IFM_HDX;
! 246: } else
! 247: mii->mii_media_active = ife->ifm_media;
! 248: }
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to acphy.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / dev / mii