rtl80x9.c

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    1 /*      $NetBSD: rtl80x9.c,v 1.10 2003/10/28 22:22:28 mycroft Exp $     */
    2 
    3 /*-
    4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
    9  * NASA Ames Research Center.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  * 3. All advertising materials mentioning features or use of this software
   20  *    must display the following acknowledgement:
   21  *      This product includes software developed by the NetBSD
   22  *      Foundation, Inc. and its contributors.
   23  * 4. Neither the name of The NetBSD Foundation nor the names of its
   24  *    contributors may be used to endorse or promote products derived
   25  *    from this software without specific prior written permission.
   26  *
   27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   37  * POSSIBILITY OF SUCH DAMAGE.
   38  */
   39 
   40 #include <sys/cdefs.h>
   41 __KERNEL_RCSID(0, "$NetBSD: rtl80x9.c,v 1.10 2003/10/28 22:22:28 mycroft Exp $");
   42 
   43 #include <sys/param.h>
   44 #include <sys/systm.h>
   45 #include <sys/mbuf.h>
   46 #include <sys/syslog.h>
   47 #include <sys/socket.h>
   48 #include <sys/device.h>
   49 
   50 #include <net/if.h>
   51 #include <net/if_ether.h>
   52 #include <net/if_media.h>
   53 
   54 #include <machine/bus.h>
   55 #include <machine/intr.h>
   56 
   57 #include <dev/ic/dp8390reg.h>
   58 #include <dev/ic/dp8390var.h>
   59 
   60 #include <dev/ic/ne2000reg.h>
   61 #include <dev/ic/ne2000var.h>
   62 
   63 #include <dev/ic/rtl80x9reg.h>
   64 #include <dev/ic/rtl80x9var.h>
   65 
   66 int
   67 rtl80x9_mediachange(dsc)
   68         struct dp8390_softc *dsc;
   69 {
   70 
   71         /*
   72          * Current media is already set up.  Just reset the interface
   73          * to let the new value take hold.  The new media will be
   74          * set up in ne_pci_rtl8029_init_card() called via dp8390_init().
   75          */
   76         dp8390_reset(dsc);
   77         return (0);
   78 }
   79 
   80 void
   81 rtl80x9_mediastatus(sc, ifmr)
   82         struct dp8390_softc *sc;
   83         struct ifmediareq *ifmr;
   84 {
   85         struct ifnet *ifp = &sc->sc_ec.ec_if;
   86         u_int8_t cr_proto = sc->cr_proto |
   87             ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
   88 
   89         /*
   90          * Sigh, can detect which media is being used, but can't
   91          * detect if we have link or not.
   92          */
   93 
   94         /* Set NIC to page 3 registers. */
   95         NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
   96 
   97         if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) &
   98             RTL3_CONFIG0_BNC)
   99                 ifmr->ifm_active = IFM_ETHER|IFM_10_2;
  100         else {
  101                 ifmr->ifm_active = IFM_ETHER|IFM_10_T;
  102                 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) &
  103                     RTL3_CONFIG3_FUDUP)
  104                         ifmr->ifm_active |= IFM_FDX;
  105         }
  106 
  107         /* Set NIC to page 0 registers. */
  108         NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
  109 }
  110 
  111 void
  112 rtl80x9_init_card(sc)
  113         struct dp8390_softc *sc;
  114 {
  115         struct ifmedia *ifm = &sc->sc_media;
  116         struct ifnet *ifp = &sc->sc_ec.ec_if;
  117         u_int8_t cr_proto = sc->cr_proto |
  118             ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
  119         u_int8_t reg;
  120 
  121         /* Set NIC to page 3 registers. */
  122         NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
  123 
  124         /* write enable config1-3. */
  125         NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
  126             RTL3_EECR_EEM1|RTL3_EECR_EEM0);
  127 
  128         /* First, set basic media type. */
  129         reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
  130         reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
  131         switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
  132         case IFM_AUTO:
  133                 /* Nothing to do; both bits clear == auto-detect. */
  134                 break;
  135 
  136         case IFM_10_T:
  137                 /*
  138                  * According to docs, this should be:
  139                  * reg |= RTL3_CONFIG2_PL0;
  140                  * but this doesn't work, so make it the same as AUTO.
  141                  */
  142                 break;
  143 
  144         case IFM_10_2:
  145                 reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
  146                 break;
  147         }
  148         NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
  149 
  150         /* Now, set duplex mode. */
  151         reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
  152         if (ifm->ifm_cur->ifm_media & IFM_FDX)
  153                 reg |= RTL3_CONFIG3_FUDUP;
  154         else
  155                 reg &= ~RTL3_CONFIG3_FUDUP;
  156         NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
  157 
  158         /* write disable config1-3 */
  159         NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
  160 
  161         /* Set NIC to page 0 registers. */
  162         NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
  163 }
  164 
  165 void
  166 rtl80x9_media_init(sc)
  167         struct dp8390_softc *sc;
  168 {
  169         static int rtl80x9_media[] = {
  170                 IFM_ETHER|IFM_AUTO,
  171                 IFM_ETHER|IFM_10_T,
  172                 IFM_ETHER|IFM_10_T|IFM_FDX,
  173                 IFM_ETHER|IFM_10_2,
  174         };
  175         static const int rtl80x9_nmedia =
  176             sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
  177 
  178         int i, defmedia;
  179         u_int8_t conf2, conf3;
  180 
  181         printf("%s: 10base2, 10baseT, 10baseT-FDX, auto, default ",
  182             sc->sc_dev.dv_xname);
  183 
  184         bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
  185 
  186         conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
  187         conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
  188         printf("[0x%02x 0x%02x] ", conf2, conf3);
  189 
  190         conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
  191 
  192         switch (conf2) {
  193         default:
  194                 defmedia = IFM_ETHER|IFM_AUTO;
  195                 printf("auto\n");
  196                 break;
  197 
  198         case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
  199         case RTL3_CONFIG2_PL1:  /* XXX rtl docs sys 10base5, but chip cant do */
  200                 defmedia = IFM_ETHER|IFM_10_2;
  201                 printf("10base2\n");
  202                 break;
  203 
  204         case RTL3_CONFIG2_PL0:
  205                 if (conf3 & RTL3_CONFIG3_FUDUP) {
  206                         defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
  207                         printf("10baseT-FDX\n");
  208                 } else {
  209                         defmedia = IFM_ETHER|IFM_10_T;
  210                         printf("10baseT\n");
  211                 }
  212                 break;
  213         }
  214 
  215         bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
  216 
  217         ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
  218         for (i = 0; i < rtl80x9_nmedia; i++)
  219                 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
  220         ifmedia_set(&sc->sc_media, defmedia);
  221 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/ic/rtl80x9.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/rtl80x9.c