if_cs_isa.c

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    1 /*-
    2  * Copyright (c) 1997,1998 Maxim Bolotin and Oleg Sharoiko.
    3  * All rights reserved.
    4  *
    5  * Redistribution 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 NEGLIGENCE 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 #include <sys/param.h>
   33 #include <sys/kernel.h>
   34 #include <sys/socket.h>
   35 
   36 #include <sys/module.h>
   37 #include <sys/bus.h>
   38 
   39 #include <machine/bus.h>
   40 #include <machine/resource.h>
   41 
   42 #include <net/ethernet.h> 
   43 #include <net/if.h>
   44 #include <net/if_arp.h>
   45 
   46 #include <isa/isavar.h>
   47 
   48 #include <dev/cs/if_csvar.h>
   49 #include <dev/cs/if_csreg.h>
   50 
   51 static int              cs_isa_probe    (device_t);
   52 static int              cs_isa_attach   (device_t);
   53 
   54 static struct isa_pnp_id cs_ids[] = {
   55         { 0x4060630e, NULL },           /* CSC6040 */
   56         { 0x10104d24, NULL },           /* IBM EtherJet */
   57         { 0, NULL }
   58 };
   59 
   60 /*
   61  * Determine if the device is present
   62  */
   63 static int
   64 cs_isa_probe(device_t dev)
   65 {
   66         int error = 0;
   67 
   68         /* Check isapnp ids */
   69         error = ISA_PNP_PROBE(device_get_parent(dev), dev, cs_ids);
   70 
   71         /* If the card had a PnP ID that didn't match any we know about */
   72         if (error == ENXIO)
   73                 goto end;
   74 
   75         /* If we had some other problem. */
   76         if (!(error == 0 || error == ENOENT))
   77                 goto end;
   78 
   79         error = cs_cs89x0_probe(dev);
   80 end:
   81         /* Make sure IRQ is assigned for probe message and available */
   82         if (error == 0)
   83                 error = cs_alloc_irq(dev, 0, 0);
   84 
   85         cs_release_resources(dev);
   86         return (error);
   87 }
   88 
   89 static int
   90 cs_isa_attach(device_t dev)
   91 {
   92         struct cs_softc *sc = device_get_softc(dev);
   93         int error;
   94         
   95         cs_alloc_port(dev, 0, CS_89x0_IO_PORTS);
   96         /* XXX mem appears to not be used at all */
   97         if (sc->mem_used)
   98                 cs_alloc_memory(dev, sc->mem_rid, sc->mem_used);
   99         cs_alloc_irq(dev, sc->irq_rid, 0);
  100                 
  101         error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
  102             csintr, sc, &sc->irq_handle);
  103         if (error) {
  104                 cs_release_resources(dev);
  105                 return (error);
  106         }              
  107 
  108         return (cs_attach(dev));
  109 }
  110 
  111 static device_method_t cs_isa_methods[] = {
  112         /* Device interface */
  113         DEVMETHOD(device_probe,         cs_isa_probe),
  114         DEVMETHOD(device_attach,        cs_isa_attach),
  115 #ifdef CS_HAS_DETACH
  116         DEVMETHOD(device_detach,        cs_detach),
  117 #endif
  118 
  119         { 0, 0 }
  120 };
  121 
  122 static driver_t cs_isa_driver = {
  123         "cs",
  124         cs_isa_methods,
  125         sizeof(struct cs_softc),
  126 };
  127 
  128 extern devclass_t cs_devclass;
  129 
  130 DRIVER_MODULE(cs, isa, cs_isa_driver, cs_devclass, 0, 0);
  131 MODULE_DEPEND(cs, isa, 1, 1, 1);
  132 MODULE_DEPEND(cs, ether, 1, 1, 1);

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FreeBSD/Linux Kernel Cross Reference sys/dev/cs/if_cs_isa.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/cs/if_cs_isa.c