158 lines
5.2 KiB
C
158 lines
5.2 KiB
C
/* $NetBSD: dp83905.c,v 1.1 2001/12/16 00:22:44 bjh21 Exp $ */
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/*-
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* Copyright (c) 2001 Ben Harris
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* Copyright (c) 1998 Mike Pumford
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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__KERNEL_RCSID(0, "$NetBSD: dp83905.c,v 1.1 2001/12/16 00:22:44 bjh21 Exp $");
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#include <sys/device.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#include <machine/bus.h>
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#include <dev/ic/dp8390reg.h>
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#include <dev/ic/dp8390var.h>
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#include <dev/ic/dp83905reg.h>
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#include <dev/ic/dp83905var.h>
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int
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dp83905_mediachange(struct dp8390_softc *sc)
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{
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/* Media already set up. Reset the interface to make it stick. */
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dp8390_reset(sc);
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return (0);
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}
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void
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dp83905_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
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{
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bus_space_tag_t nict = sc->sc_regt;
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bus_space_handle_t nich = sc->sc_regh;
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u_int8_t mcrb;
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bus_space_write_1(nict, nich, ED_P0_CR,
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ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA);
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mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
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/* Random op so next RBCR1 write doesn't go to MCRB. */
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bus_space_write_1(nict, nich, ED_P0_CR,
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ED_CR_RD2 | ED_CR_PAGE_0 | ED_CR_STA);
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switch (mcrb & DP83905_MCRB_PHY_MASK) {
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case DP83905_MCRB_PHY_10_T:
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case DP83905_MCRB_PHY_TPI_NONSPEC: /* XXX */
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ifmr->ifm_active = IFM_ETHER | IFM_10_T;
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ifmr->ifm_status = IFM_AVALID;
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if (mcrb & DP83905_MCRB_GDLNK)
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ifmr->ifm_status |= IFM_ACTIVE;
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break;
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case DP83905_MCRB_PHY_10_2:
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ifmr->ifm_active = IFM_ETHER | IFM_10_2;
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break;
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case DP83905_MCRB_PHY_AUI:
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ifmr->ifm_active = IFM_ETHER | IFM_10_5;
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break;
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}
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}
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void dp83905_init_card(struct dp8390_softc *sc)
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{
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struct ifmedia *ifm = &sc->sc_media;
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bus_space_tag_t nict = sc->sc_regt;
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bus_space_handle_t nich = sc->sc_regh;
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u_int8_t mcrb;
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/* Set basic media type. */
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switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
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case IFM_AUTO:
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/* software auto detect the media */
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mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
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mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
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DP83905_MCRB_BE);
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mcrb |= DP83905_MCRB_PHY_10_T;
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bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
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mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
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if (mcrb & DP83905_MCRB_GDLNK)
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break;
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/* No UTP use BNC */
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/* FALLTHROUGH */
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case IFM_10_2:
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mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
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mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
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DP83905_MCRB_BE);
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mcrb |= DP83905_MCRB_PHY_10_2;
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bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
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/*
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* seems that re-reading config B here is required to
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* prevent the interface hanging when manually selecting.
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*/
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bus_space_read_1(nict, nich, DP83905_MCRB);
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break;
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case IFM_10_T:
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mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
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mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
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DP83905_MCRB_BE);
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mcrb |= DP83905_MCRB_PHY_10_T;
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bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
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/*
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* seems that re-reading config B here is required to
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* prevent the interface hanging when manually selecting.
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*/
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bus_space_read_1(nict, nich, DP83905_MCRB);
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break;
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case IFM_10_5:
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mcrb = bus_space_read_1(nict, nich, DP83905_MCRB);
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mcrb &= ~(DP83905_MCRB_PHY_MASK | DP83905_MCRB_GDLNK |
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DP83905_MCRB_BE);
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mcrb |= DP83905_MCRB_PHY_AUI;
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bus_space_write_1(nict, nich, DP83905_MCRB, mcrb);
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/*
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* seems that re-reading config B here is required to
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* prevent the interface hanging when manually selecting.
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*/
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bus_space_read_1(nict, nich, DP83905_MCRB);
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break;
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}
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}
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