The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ed/if_ed_rtl80x9.c

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    1 /*-
    2  * Copyright (c) 2003, David Madole
    3  * All rights reserved.
    4  * Copyright (c) 2005, M. Warner Losh.
    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 unmodified, this list of conditions, and the following
   12  *    disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  * Based on patches subitted by: David Madole, edited by M. Warner Losh.
   30  */
   31 
   32 
   33 #include <sys/cdefs.h>
   34 __FBSDID("$FreeBSD$");
   35 
   36 #include "opt_ed.h"
   37 
   38 #include <sys/param.h>
   39 #include <sys/systm.h>
   40 #include <sys/sockio.h>
   41 #include <sys/mbuf.h>
   42 #include <sys/kernel.h>
   43 #include <sys/socket.h>
   44 #include <sys/syslog.h>
   45 
   46 #include <sys/bus.h>
   47 
   48 #include <machine/bus.h>
   49 #include <sys/rman.h>
   50 #include <machine/resource.h>
   51 
   52 #include <net/ethernet.h>
   53 #include <net/if.h>
   54 #include <net/if_arp.h>
   55 #include <net/if_dl.h>
   56 #include <net/if_mib.h>
   57 #include <net/if_media.h>
   58 
   59 #include <net/bpf.h>
   60 
   61 #include <dev/ed/if_edreg.h>
   62 #include <dev/ed/if_edvar.h>
   63 #include <dev/ed/rtl80x9reg.h>
   64 
   65 static int      ed_rtl_set_media(struct ifnet *ifp);
   66 static void     ed_rtl_get_media(struct ifnet *ifp, struct ifmediareq *);
   67 
   68 static int
   69 ed_rtl80x9_media_ioctl(struct ed_softc *sc, struct ifreq *ifr, u_long command)
   70 {
   71         return (ifmedia_ioctl(sc->ifp, ifr, &sc->ifmedia, command));
   72 }
   73 
   74 int
   75 ed_probe_RTL80x9(device_t dev, int port_rid, int flags)
   76 {
   77         struct ed_softc *sc = device_get_softc(dev);
   78         char *ts;
   79         int error;
   80 
   81         if ((error = ed_alloc_port(dev, port_rid, ED_NOVELL_IO_PORTS)))
   82                 return (error);
   83         
   84         sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
   85         sc->nic_offset  = ED_NOVELL_NIC_OFFSET;
   86 
   87         if (ed_nic_inb(sc, ED_P0_CR) & (ED_CR_PS0 | ED_CR_PS1))
   88                 ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
   89 
   90         if (ed_nic_inb(sc, ED_RTL80X9_80X9ID0) != ED_RTL80X9_ID0)
   91                 return (ENXIO);
   92 
   93         switch (ed_nic_inb(sc, ED_RTL80X9_80X9ID1)) {
   94         case ED_RTL8019_ID1:
   95                 sc->chip_type = ED_CHIP_TYPE_RTL8019;
   96                 ts = "RTL8019";
   97                 break;
   98         case ED_RTL8029_ID1:
   99                 sc->chip_type = ED_CHIP_TYPE_RTL8029;
  100                 ts = "RTL8029";
  101                 break;
  102         default:
  103                 return (ENXIO);
  104         }
  105 
  106         if ((error = ed_probe_Novell_generic(dev, flags)))
  107                 return (error);
  108 
  109         sc->type_str = ts;
  110         sc->sc_media_ioctl = &ed_rtl80x9_media_ioctl;
  111         ifmedia_init(&sc->ifmedia, 0, ed_rtl_set_media, ed_rtl_get_media);
  112 
  113         ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T | IFM_FDX, 0, 0);
  114         ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_T, 0, 0);
  115         ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_2, 0, 0);
  116         ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_10_5, 0, 0);
  117         ifmedia_add(&sc->ifmedia, IFM_ETHER | IFM_AUTO, 0, 0);
  118 
  119         ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_PAGE_3 | ED_CR_STP);
  120 
  121         switch (ed_nic_inb(sc, ED_RTL80X9_CONFIG2) & ED_RTL80X9_CF2_MEDIA) {
  122         case ED_RTL80X9_CF2_AUTO:
  123                 ifmedia_set(&sc->ifmedia, IFM_ETHER | IFM_AUTO);
  124                 break;
  125         case ED_RTL80X9_CF2_10_5:
  126                 ifmedia_set(&sc->ifmedia, IFM_ETHER | IFM_10_5);
  127                 break;
  128         case ED_RTL80X9_CF2_10_2:
  129                 ifmedia_set(&sc->ifmedia, IFM_ETHER | IFM_10_2);
  130                 break;
  131         case ED_RTL80X9_CF2_10_T:
  132                 ifmedia_set(&sc->ifmedia, IFM_ETHER | IFM_10_T |
  133                     ((ed_nic_inb(sc, ED_RTL80X9_CONFIG3)
  134                     & ED_RTL80X9_CF3_FUDUP) ? IFM_FDX : 0));
  135                 break;
  136         }
  137         return (0);
  138 }
  139 
  140 static int
  141 ed_rtl_set_media(struct ifnet *ifp)
  142 {
  143         struct ed_softc *sc;
  144 
  145         sc = ifp->if_softc;
  146         ED_LOCK(sc);
  147         ed_nic_outb(sc, ED_P0_CR, sc->cr_proto | ED_CR_PAGE_3
  148                 | (ed_nic_inb(sc, ED_P0_CR) & (ED_CR_STA | ED_CR_STP)));
  149 
  150         switch(IFM_SUBTYPE(sc->ifmedia.ifm_cur->ifm_media)) {
  151         case IFM_10_T:
  152                 ed_nic_outb(sc, ED_RTL80X9_CONFIG2, ED_RTL80X9_CF2_10_T
  153                         | (ed_nic_inb(sc, ED_RTL80X9_CONFIG2)
  154                                 & ~ED_RTL80X9_CF2_MEDIA));
  155                 break;
  156         case IFM_10_2:
  157                 ed_nic_outb(sc, ED_RTL80X9_CONFIG2, ED_RTL80X9_CF2_10_2
  158                         | (ed_nic_inb(sc, ED_RTL80X9_CONFIG2)
  159                                 & ~ED_RTL80X9_CF2_MEDIA));
  160                 break;
  161         case IFM_10_5:
  162                 ed_nic_outb(sc, ED_RTL80X9_CONFIG2, ED_RTL80X9_CF2_10_5
  163                         | (ed_nic_inb(sc, ED_RTL80X9_CONFIG2)
  164                                 & ~ED_RTL80X9_CF2_MEDIA));
  165                 break;
  166         case IFM_AUTO:
  167                 ed_nic_outb(sc, ED_RTL80X9_CONFIG2, ED_RTL80X9_CF2_AUTO
  168                         | (ed_nic_inb(sc, ED_RTL80X9_CONFIG2)
  169                                 & ~ED_RTL80X9_CF2_MEDIA));
  170                 break;
  171         }
  172         ed_nic_outb(sc, ED_RTL80X9_CONFIG3,
  173                 (sc->ifmedia.ifm_cur->ifm_media & IFM_FDX) ?
  174                 (ed_nic_inb(sc, ED_RTL80X9_CONFIG3) | ED_RTL80X9_CF3_FUDUP) :
  175                 (ed_nic_inb(sc, ED_RTL80X9_CONFIG3) & ~ED_RTL80X9_CF3_FUDUP));
  176 
  177         ED_UNLOCK(sc);
  178         return (0);
  179 }
  180 
  181 static void
  182 ed_rtl_get_media(struct ifnet *ifp, struct ifmediareq *imr)
  183 {
  184         struct ed_softc *sc;
  185 
  186         sc = ifp->if_softc;
  187         imr->ifm_active = sc->ifmedia.ifm_cur->ifm_media;
  188 
  189 
  190         if (IFM_SUBTYPE(imr->ifm_active) == IFM_AUTO) {
  191                 ED_LOCK(sc);
  192                 ed_nic_outb(sc, ED_P0_CR, sc->cr_proto | ED_CR_PAGE_3 |
  193                         (ed_nic_inb(sc, ED_P0_CR) & (ED_CR_STA | ED_CR_STP)));
  194 
  195                 switch (ed_nic_inb(sc, ED_RTL80X9_CONFIG0)
  196                                 & (sc->chip_type == ED_CHIP_TYPE_RTL8029 ? ED_RTL80X9_CF0_BNC
  197                                 : (ED_RTL80X9_CF0_AUI | ED_RTL80X9_CF0_BNC))) {
  198                 case ED_RTL80X9_CF0_BNC:
  199                         imr->ifm_active |= IFM_10_2;
  200                         break;
  201                 case ED_RTL80X9_CF0_AUI:
  202                         imr->ifm_active |= IFM_10_5;
  203                         break;
  204                 default:
  205                         imr->ifm_active |= IFM_10_T;
  206                         break;
  207                 }
  208                 ED_UNLOCK(sc);
  209         }
  210         imr->ifm_status = 0;
  211 }
  212 

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