FreeBSD/Linux Kernel Cross Reference
sys/dev/isa/if_ep_isapnp.c

     /*      $OpenBSD: if_ep_isapnp.c,v 1.17 2022/04/06 18:59:28 naddy Exp $ */
     /*      $NetBSD: if_ep_isapnp.c,v 1.5 1996/05/12 23:52:36 mycroft Exp $ */
     
     /*
      * Copyright (c) 1996 Jason R. Thorpe <thorpej@beer.org>
      * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
      * 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, 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.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Herb Peyerl.
     * 4. The name of Herb Peyerl may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
     *
     * Note: Most of the code here was written by Theo de Raadt originally,
     * ie. all the mechanics of probing for all cards on first call and then
     * searching for matching devices on subsequent calls.
     */
    
    #include "bpfilter.h"
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/mbuf.h>
    #include <sys/socket.h>
    #include <sys/ioctl.h>
    #include <sys/errno.h>
    #include <sys/syslog.h>
    #include <sys/selinfo.h>
    #include <sys/device.h>
    #include <sys/timeout.h>
    #include <sys/queue.h>
    
    #include <net/if.h>
    #include <net/if_media.h>
    
    #include <netinet/in.h>
    #include <netinet/if_ether.h>
    
    #if NBPFILTER > 0
    #include <net/bpf.h>
    #endif
    
    #include <machine/cpu.h>
    #include <machine/bus.h>
    #include <machine/intr.h>
    
    #include <dev/mii/mii.h>
    #include <dev/mii/miivar.h>
    
    #include <dev/ic/elink3var.h>
    #include <dev/ic/elink3reg.h>
    
    #include <dev/isa/isavar.h>
    #include <dev/isa/elink.h>
    
    int ep_isapnp_match(struct device *, void *, void *);
    void ep_isapnp_attach(struct device *, struct device *, void *);
    
    const struct cfattach ep_isapnp_ca = {
            sizeof(struct ep_softc), ep_isapnp_match, ep_isapnp_attach
    };
    
    /*
     * 3c509 cards on the ISA bus are probed in ethernet address order.
     * The probe sequence requires careful orchestration, and we'd like
     * to allow the irq and base address to be wildcarded. So, we
     * probe all the cards the first time epprobe() is called. On subsequent
     * calls we look for matching cards.
     */
    int
    ep_isapnp_match(struct device *parent, void *match, void *aux)
    {
            /* XXX This should be more intelligent */
            return 1;
    }
    
    void
    ep_isapnp_attach(struct device *parent, struct device *self, void *aux)
    {
           struct ep_softc *sc = (void *)self;
           struct isa_attach_args *ia = aux;
           bus_space_tag_t iot = ia->ia_iot;
           bus_space_handle_t ioh;
   
           sc->sc_iot = iot = ia->ia_iot;
           sc->sc_ioh = ioh = ia->ipa_io[0].h;
           sc->bustype = EP_BUS_ISA;
   
           printf(":");
   
           /* Should look at ia->ia_devident... */
           epconfig(sc, EP_CHIPSET_3C509, NULL);
   
           sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
               IPL_NET, epintr, sc, sc->sc_dev.dv_xname);
   }

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