if_sbni_isa.c

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    1 /*-
    2  * Copyright (c) 1997-2001 Granch, Ltd. All rights reserved.
    3  * Author: Denis I.Timofeev <timofeev@granch.ru>
    4  *
    5  * Redistributon and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice unmodified, this list of conditions, and the following
   10  *    disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  */
   28 
   29 #include <sys/cdefs.h>
   30 __FBSDID("$FreeBSD$");
   31 
   32 
   33 #include <sys/param.h>
   34 #include <sys/systm.h>
   35 #include <sys/socket.h>
   36 
   37 #include <sys/bus.h>
   38 #include <sys/kernel.h>
   39 #include <sys/module.h>
   40 #include <machine/bus.h>
   41 #include <machine/resource.h>
   42 #include <sys/rman.h>
   43 
   44 #include <net/if.h>
   45 #include <net/ethernet.h>
   46 #include <net/if_arp.h>
   47 
   48 #include <isa/isavar.h>
   49 
   50 #include <dev/sbni/if_sbnireg.h>
   51 #include <dev/sbni/if_sbnivar.h>
   52 
   53 static int      sbni_probe_isa(device_t);
   54 static int      sbni_attach_isa(device_t);
   55 
   56 static device_method_t sbni_isa_methods[] = {
   57         /* Device interface */
   58         DEVMETHOD(device_probe, sbni_probe_isa),
   59         DEVMETHOD(device_attach, sbni_attach_isa),
   60         { 0, 0 }
   61 };
   62 
   63 static driver_t sbni_isa_driver = {
   64         "sbni",
   65         sbni_isa_methods,
   66         sizeof(struct sbni_softc)
   67 };
   68 
   69 static devclass_t sbni_isa_devclass;
   70 static struct isa_pnp_id  sbni_ids[] = {
   71         { 0, NULL }     /* we have no pnp sbni cards atm.  */
   72 };
   73 
   74 DRIVER_MODULE(sbni, isa, sbni_isa_driver, sbni_isa_devclass, 0, 0);
   75 MODULE_DEPEND(sbni, isa, 1, 1, 1);
   76 
   77 static int
   78 sbni_probe_isa(device_t dev)
   79 {
   80         struct sbni_softc *sc;
   81         int error;
   82 
   83         error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbni_ids);
   84         if (error && error != ENOENT)
   85                 return (error);
   86 
   87         sc = device_get_softc(dev);
   88         bzero(sc, sizeof(struct sbni_softc));
   89 
   90         sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid,
   91                                         0ul, ~0ul, SBNI_PORTS, RF_ACTIVE);
   92         if (!sc->io_res) {
   93                 printf("sbni: cannot allocate io ports!\n");
   94                 return (ENOENT);
   95         }
   96 
   97         if (sbni_probe(sc) != 0) {
   98                 bus_release_resource(dev, SYS_RES_IOPORT,
   99                                      sc->io_rid, sc->io_res);
  100                 return (ENXIO);
  101         }
  102 
  103         device_quiet(dev);
  104         return (0);
  105 }
  106 
  107 
  108 static int
  109 sbni_attach_isa(device_t dev)
  110 {
  111         struct sbni_softc *sc;
  112         struct sbni_flags flags;
  113         int error;
  114    
  115         sc = device_get_softc(dev);
  116 
  117         printf("sbni%d: <Granch SBNI12/ISA adapter> port 0x%lx",
  118                next_sbni_unit, rman_get_start(sc->io_res));
  119         sc->irq_res = bus_alloc_resource_any(
  120             dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE);
  121 
  122         if (sc->irq_res) {
  123                 printf(" irq %ld\n", rman_get_start(sc->irq_res));
  124                 error = bus_setup_intr(
  125                     dev, sc->irq_res, INTR_TYPE_NET,
  126                     NULL, sbni_intr, sc, &sc->irq_handle);
  127                 if (error) {
  128                         printf("sbni%d: bus_setup_intr\n", next_sbni_unit);
  129                         bus_release_resource(
  130                             dev, SYS_RES_IOPORT, sc->io_rid, sc->io_res);
  131                         bus_release_resource(
  132                             dev, SYS_RES_IRQ, sc->irq_rid, sc->irq_res);
  133                         return (error);
  134                 }
  135 
  136 #ifndef SBNI_DUAL_COMPOUND
  137 
  138         } else {
  139                 printf("\nsbni%d: irq conflict!\n", next_sbni_unit);
  140                 bus_release_resource(dev, SYS_RES_IOPORT,
  141                                      sc->io_rid, sc->io_res);
  142                 return (ENOENT);
  143         }
  144 
  145 #else   /* SBNI_DUAL_COMPOUND */
  146 
  147                 sc->link = sbni_headlist;
  148                 sbni_headlist = sc;
  149         } else {
  150                 struct sbni_softc  *master;
  151 
  152                 if ((master = connect_to_master(sc)) == 0) {
  153                         printf("\nsbni%d: failed to alloc irq\n",
  154                                next_sbni_unit);
  155                         bus_release_resource(
  156                             dev, SYS_RES_IOPORT, sc->io_rid, sc->io_res);
  157                         return (ENXIO);
  158                 } else {
  159                         printf(" shared irq with %s\n",
  160                                master->ifp->if_xname);
  161                 }
  162         } 
  163 #endif  /* SBNI_DUAL_COMPOUND */
  164 
  165         *(u_int32_t*)&flags = device_get_flags(dev);
  166 
  167         sbni_attach(sc, next_sbni_unit++, flags);
  168         return (0);
  169 }

Cache object: a9307fcc5959c05827e82b3ba7e463bf

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FreeBSD/Linux Kernel Cross Reference sys/dev/sbni/if_sbni_isa.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/sbni/if_sbni_isa.c