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147 lines
3.7 KiB
C
147 lines
3.7 KiB
C
/*-
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* Copyright (c) 2000 Mitsuru IWASAKI
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_media.h>
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#include <dev/ex/if_exreg.h>
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#include <dev/ex/if_exvar.h>
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#include <dev/pccard/pccardvar.h>
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/* Bus Front End Functions */
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static int ex_pccard_probe (device_t);
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static int ex_pccard_attach (device_t);
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static device_method_t ex_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ex_pccard_probe),
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DEVMETHOD(device_attach, ex_pccard_attach),
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DEVMETHOD(device_detach, ex_detach),
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{ 0, 0 }
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};
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static driver_t ex_pccard_driver = {
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"ex",
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ex_pccard_methods,
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sizeof(struct ex_softc),
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};
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DRIVER_MODULE(ex, pccard, ex_pccard_driver, ex_devclass, 0, 0);
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static int
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ex_pccard_probe(device_t dev)
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{
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u_int iobase;
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u_int irq;
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iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
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if (!iobase) {
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printf("ex: no iobase?\n");
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return(ENXIO);
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}
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if (bootverbose)
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printf("ex: ex_pccard_probe() found card at 0x%03x\n", iobase);
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irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
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if (irq == 0) {
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printf("ex: invalid IRQ.\n");
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return(ENXIO);
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}
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return(0);
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}
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static int
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ex_pccard_attach(device_t dev)
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{
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struct ex_softc * sc = device_get_softc(dev);
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int error = 0;
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int i;
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u_char sum;
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u_char ether_addr[ETHER_ADDR_LEN];
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sc->dev = dev;
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sc->ioport_rid = 0;
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sc->irq_rid = 0;
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if ((error = ex_alloc_resources(dev)) != 0) {
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device_printf(dev, "ex_alloc_resources() failed!\n");
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goto bad;
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}
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/*
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* Fill in several fields of the softc structure:
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* - I/O base address.
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* - Hardware Ethernet address.
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* - IRQ number.
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*/
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sc->iobase = rman_get_start(sc->ioport);
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sc->irq_no = rman_get_start(sc->irq);
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pccard_get_ether(dev, ether_addr);
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for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
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sum |= ether_addr[i];
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if (sum)
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bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
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if ((error = ex_attach(dev)) != 0) {
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device_printf(dev, "ex_attach() failed!\n");
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goto bad;
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}
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error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
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ex_intr, (void *)sc, &sc->ih);
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if (error) {
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device_printf(dev, "bus_setup_intr() failed!\n");
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goto bad;
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}
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return(0);
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bad:
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ex_release_resources(dev);
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return (error);
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}
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