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

     /*-
      * Copyright (c) 1997,1998 Maxim Bolotin and Oleg Sharoiko.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice unmodified, this list of conditions, and the following
     *    disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/8.4/sys/dev/cs/if_cs_isa.c 179618 2008-06-06 16:10:10Z imp $");
    
    #include <sys/param.h>
    #include <sys/kernel.h>
    #include <sys/socket.h>
    
    #include <sys/module.h>
    #include <sys/bus.h>
    
    #include <machine/bus.h>
    #include <machine/resource.h>
    
    #include <net/ethernet.h> 
    #include <net/if.h>
    #include <net/if_arp.h>
    
    #include <isa/isavar.h>
    
    #include <dev/cs/if_csvar.h>
    #include <dev/cs/if_csreg.h>
    
    static int              cs_isa_probe(device_t);
    static int              cs_isa_attach(device_t);
    
    static struct isa_pnp_id cs_ids[] = {
            { 0x4060630e, NULL },           /* CSC6040 */
            { 0x10104d24, NULL },           /* IBM EtherJet */
            { 0, NULL }
    };
    
    /*
     * Determine if the device is present
     */
    static int
    cs_isa_probe(device_t dev)
    {
            int error;
    
            /* Check isapnp ids */
            error = ISA_PNP_PROBE(device_get_parent(dev), dev, cs_ids);
    
            /* If the card had a PnP ID that didn't match any we know about */
            if (error == ENXIO)
                    goto end;
    
            /* If we've matched, or there's no PNP ID, probe chip */
            if (error == 0 || error == ENOENT)
                    error = cs_cs89x0_probe(dev);
    end:
            /* Make sure IRQ is assigned for probe message and available */
            if (error == 0)
                    error = cs_alloc_irq(dev, 0);
    
            cs_release_resources(dev);
            return (error);
    }
    
    static int
    cs_isa_attach(device_t dev)
    {
            struct cs_softc *sc = device_get_softc(dev);
            
            cs_alloc_port(dev, 0, CS_89x0_IO_PORTS);
            cs_alloc_irq(dev, sc->irq_rid);
                    
            return (cs_attach(dev));
    }
    
    static device_method_t cs_isa_methods[] = {
            /* Device interface */
           DEVMETHOD(device_probe,         cs_isa_probe),
           DEVMETHOD(device_attach,        cs_isa_attach),
           DEVMETHOD(device_detach,        cs_detach),
   
           { 0, 0 }
   };
   
   static driver_t cs_isa_driver = {
           "cs",
           cs_isa_methods,
           sizeof(struct cs_softc),
   };
   
   extern devclass_t cs_devclass;
   
   DRIVER_MODULE(cs, isa, cs_isa_driver, cs_devclass, 0, 0);
   MODULE_DEPEND(cs, isa, 1, 1, 1);
   MODULE_DEPEND(cs, ether, 1, 1, 1);

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