212 lines
6.2 KiB
C
212 lines
6.2 KiB
C
/* $NetBSD: rtl80x9.c,v 1.16 2014/06/16 16:48:16 msaitoh Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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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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*
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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/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: rtl80x9.c,v 1.16 2014/06/16 16:48:16 msaitoh Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/syslog.h>
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#include <sys/socket.h>
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#include <sys/device.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 <sys/bus.h>
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#include <sys/intr.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/ne2000reg.h>
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#include <dev/ic/ne2000var.h>
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#include <dev/ic/rtl80x9reg.h>
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#include <dev/ic/rtl80x9var.h>
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int
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rtl80x9_mediachange(struct dp8390_softc *dsc)
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{
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/*
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* Current media is already set up. Just reset the interface
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* to let the new value take hold. The new media will be
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* set up in ne_pci_rtl8029_init_card() called via dp8390_init().
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*/
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dp8390_reset(dsc);
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return (0);
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}
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void
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rtl80x9_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
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{
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struct ifnet *ifp = &sc->sc_ec.ec_if;
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u_int8_t cr_proto = sc->cr_proto |
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((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
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/*
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* Sigh, can detect which media is being used, but can't
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* detect if we have link or not.
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*/
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/* Set NIC to page 3 registers. */
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NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
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if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) &
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RTL3_CONFIG0_BNC)
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ifmr->ifm_active = IFM_ETHER|IFM_10_2;
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else {
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ifmr->ifm_active = IFM_ETHER|IFM_10_T;
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if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) &
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RTL3_CONFIG3_FUDUP)
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ifmr->ifm_active |= IFM_FDX;
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else
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ifmr->ifm_active |= IFM_HDX;
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}
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/* Set NIC to page 0 registers. */
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NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
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}
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void
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rtl80x9_init_card(struct dp8390_softc *sc)
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{
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struct ifmedia *ifm = &sc->sc_media;
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struct ifnet *ifp = &sc->sc_ec.ec_if;
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u_int8_t cr_proto = sc->cr_proto |
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((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
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u_int8_t reg;
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/* Set NIC to page 3 registers. */
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NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
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/* write enable config1-3. */
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NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
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RTL3_EECR_EEM1|RTL3_EECR_EEM0);
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/* First, set basic media type. */
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reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
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reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
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switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
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case IFM_AUTO:
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/* Nothing to do; both bits clear == auto-detect. */
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break;
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case IFM_10_T:
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/*
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* According to docs, this should be:
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* reg |= RTL3_CONFIG2_PL0;
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* but this doesn't work, so make it the same as AUTO.
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*/
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break;
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case IFM_10_2:
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reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
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break;
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}
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NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
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/* Now, set duplex mode. */
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reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
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if (ifm->ifm_cur->ifm_media & IFM_FDX)
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reg |= RTL3_CONFIG3_FUDUP;
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else
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reg &= ~RTL3_CONFIG3_FUDUP;
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NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
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/* write disable config1-3 */
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NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
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/* Set NIC to page 0 registers. */
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NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
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}
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void
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rtl80x9_media_init(struct dp8390_softc *sc)
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{
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static int rtl80x9_media[] = {
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IFM_ETHER|IFM_AUTO,
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IFM_ETHER|IFM_10_T,
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IFM_ETHER|IFM_10_T|IFM_FDX,
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IFM_ETHER|IFM_10_2,
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};
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static const int rtl80x9_nmedia =
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sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
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int i, defmedia;
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u_int8_t conf2, conf3;
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aprint_normal_dev(sc->sc_dev,
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"10base2, 10baseT, 10baseT-FDX, auto, default ");
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bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
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conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
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conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
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printf("[0x%02x 0x%02x] ", conf2, conf3);
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conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
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switch (conf2) {
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default:
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defmedia = IFM_ETHER|IFM_AUTO;
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printf("auto\n");
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break;
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case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
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case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */
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defmedia = IFM_ETHER|IFM_10_2;
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printf("10base2\n");
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break;
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case RTL3_CONFIG2_PL0:
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if (conf3 & RTL3_CONFIG3_FUDUP) {
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defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
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printf("10baseT-FDX\n");
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} else {
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defmedia = IFM_ETHER|IFM_10_T;
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printf("10baseT\n");
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}
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break;
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}
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bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
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ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
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for (i = 0; i < rtl80x9_nmedia; i++)
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ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
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ifmedia_set(&sc->sc_media, defmedia);
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}
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