root/dev/pci/if_rl_pci.c

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DEFINITIONS

This source file includes following definitions.
  1. rl_pci_match
  2. rl_pci_attach

    1 /*      $OpenBSD: if_rl_pci.c,v 1.14 2006/05/23 00:41:50 brad Exp $ */
    2 
    3 /*
    4  * Copyright (c) 1997, 1998
    5  *      Bill Paul <wpaul@ctr.columbia.edu>.  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, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. All advertising materials mentioning features or use of this software
   16  *    must display the following acknowledgement:
   17  *      This product includes software developed by Bill Paul.
   18  * 4. Neither the name of the author nor the names of any co-contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
   26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   32  * THE POSSIBILITY OF SUCH DAMAGE.
   33  */
   34 
   35 #include "bpfilter.h"
   36 
   37 #include <sys/param.h>
   38 #include <sys/systm.h>
   39 #include <sys/sockio.h>
   40 #include <sys/mbuf.h>
   41 #include <sys/malloc.h>
   42 #include <sys/kernel.h>
   43 #include <sys/socket.h>
   44 #include <sys/device.h>
   45 #include <sys/timeout.h>
   46 
   47 #include <net/if.h>
   48 #include <net/if_dl.h>
   49 #include <net/if_types.h>
   50 
   51 #ifdef INET
   52 #include <netinet/in.h>
   53 #include <netinet/in_systm.h>
   54 #include <netinet/in_var.h>
   55 #include <netinet/ip.h>
   56 #include <netinet/if_ether.h>
   57 #endif
   58 
   59 #include <net/if_media.h>
   60 
   61 #if NBPFILTER > 0
   62 #include <net/bpf.h>
   63 #endif
   64 
   65 #include <machine/bus.h>
   66 
   67 #include <dev/mii/mii.h>
   68 #include <dev/mii/miivar.h>
   69 #include <dev/pci/pcireg.h>
   70 #include <dev/pci/pcivar.h>
   71 #include <dev/pci/pcidevs.h>
   72 
   73 /*
   74  * Default to using PIO access for this driver. On SMP systems,
   75  * there appear to be problems with memory mapped mode: it looks like
   76  * doing too many memory mapped access back to back in rapid succession
   77  * can hang the bus. I'm inclined to blame this on crummy design/construction
   78  * on the part of RealTek. Memory mapped mode does appear to work on
   79  * uniprocessor systems though.
   80  */
   81 #define RL_USEIOSPACE
   82 
   83 #include <dev/ic/rtl81x9reg.h>
   84 
   85 int rl_pci_match(struct device *, void *, void *);
   86 void rl_pci_attach(struct device *, struct device *, void *);
   87 
   88 struct cfattach rl_pci_ca = {
   89         sizeof(struct rl_softc), rl_pci_match, rl_pci_attach,
   90 };
   91 
   92 const struct pci_matchid rl_pci_devices[] = {
   93         { PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_5030 },
   94         { PCI_VENDOR_ADDTRON, PCI_PRODUCT_ADDTRON_8139 },
   95         { PCI_VENDOR_DELTA, PCI_PRODUCT_DELTA_8139 },
   96         { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_530TXPLUS },
   97         { PCI_VENDOR_NORTEL, PCI_PRODUCT_NORTEL_BS21 },
   98         { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8129 }
   99 };
  100 
  101 int
  102 rl_pci_match(parent, match, aux)
  103         struct device *parent;
  104         void *match;
  105         void *aux;
  106 {
  107         struct pci_attach_args *pa = aux;
  108 
  109         if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK &&
  110             PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139 &&
  111             PCI_REVISION(pa->pa_class) == 0x10)
  112                 return (1);
  113 
  114         return (pci_matchbyid((struct pci_attach_args *)aux, rl_pci_devices,
  115             sizeof(rl_pci_devices)/sizeof(rl_pci_devices[0])));
  116 }
  117 
  118 void
  119 rl_pci_attach(parent, self, aux)
  120         struct device *parent, *self;
  121         void *aux;
  122 {
  123         struct rl_softc *sc = (struct rl_softc *)self;
  124         struct pci_attach_args *pa = aux;
  125         pci_chipset_tag_t pc = pa->pa_pc;
  126         pci_intr_handle_t ih;
  127         const char *intrstr = NULL;
  128         bus_size_t size;
  129 
  130         /*
  131          * Map control/status registers.
  132          */
  133 
  134 #ifdef RL_USEIOSPACE
  135         if (pci_mapreg_map(pa, RL_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0,
  136             &sc->rl_btag, &sc->rl_bhandle, NULL, &size, 0)) {
  137                 printf(": can't map i/o space\n");
  138                 return;
  139         }
  140 #else
  141         if (pci_mapreg_map(pa, RL_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0,
  142             &sc->rl_btag, &sc->rl_bhandle, NULL, &size, 0)){
  143                 printf(": can't map mem space\n");
  144                 return;
  145         }
  146 #endif
  147 
  148         /*
  149          * Allocate our interrupt.
  150          */
  151         if (pci_intr_map(pa, &ih)) {
  152                 printf(": couldn't map interrupt\n");
  153                 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, size);
  154                 return;
  155         }
  156 
  157         intrstr = pci_intr_string(pc, ih);
  158         sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, rl_intr, sc,
  159             self->dv_xname);
  160         if (sc->sc_ih == NULL) {
  161                 printf(": couldn't establish interrupt");
  162                 if (intrstr != NULL)
  163                         printf(" at %s", intrstr);
  164                 printf("\n");
  165                 bus_space_unmap(sc->rl_btag, sc->rl_bhandle, size);
  166                 return;
  167         }
  168         printf(": %s", intrstr);
  169 
  170         sc->sc_dmat = pa->pa_dmat;
  171 
  172         rl_attach(sc);
  173 }

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