diff options
Diffstat (limited to 'sys/dev/an/if_an_pccard.c')
| -rw-r--r-- | sys/dev/an/if_an_pccard.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/sys/dev/an/if_an_pccard.c b/sys/dev/an/if_an_pccard.c new file mode 100644 index 0000000..4f2b961 --- /dev/null +++ b/sys/dev/an/if_an_pccard.c @@ -0,0 +1,156 @@ +/* + * Copyright (c) 1997, 1998, 1999 + * Bill Paul <wpaul@ctr.columbia.edu>. 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 Bill Paul. + * 4. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD + * 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. + * + * $FreeBSD$ + */ + +/* + * Aironet 4500/4800 802.11 PCMCIA/ISA/PCI driver for FreeBSD. + * + * Written by Bill Paul <wpaul@ctr.columbia.edu> + * Electrical Engineering Department + * Columbia University, New York City + */ + +#include "opt_inet.h" + +#ifdef INET +#define ANCACHE +#endif + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/socket.h> +#include <sys/kernel.h> + +#include <sys/module.h> +#include <sys/bus.h> +#include <machine/bus.h> +#include <sys/rman.h> +#include <machine/resource.h> + +#include <net/if.h> +#include <net/if_arp.h> +#include <net/ethernet.h> +#include <net/if_dl.h> +#include <net/if_types.h> + +#include <dev/an/if_aironet_ieee.h> +#include <dev/an/if_anreg.h> + +/* + * Support for PCMCIA cards. + */ +static int an_pccard_probe(device_t); +static int an_pccard_attach(device_t); +static int an_pccard_detach(device_t); + +static device_method_t an_pccard_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, an_pccard_probe), + DEVMETHOD(device_attach, an_pccard_attach), + DEVMETHOD(device_detach, an_pccard_detach), + DEVMETHOD(device_shutdown, an_shutdown), + + { 0, 0 } +}; + +static driver_t an_pccard_driver = { + "an", + an_pccard_methods, + sizeof(struct an_softc) +}; + +static devclass_t an_pccard_devclass; + +DRIVER_MODULE(if_an, pccard, an_pccard_driver, an_pccard_devclass, 0, 0); + +static int +an_pccard_detach(device_t dev) +{ + struct an_softc *sc = device_get_softc(dev); + struct ifnet *ifp = &sc->arpcom.ac_if; + + if (sc->an_gone) { + device_printf(dev,"already unloaded\n"); + return(0); + } + an_stop(sc); + ifp->if_flags &= ~IFF_RUNNING; + if_detach(ifp); + sc->an_gone = 1; + bus_teardown_intr(dev, sc->irq_res, sc->irq_handle); + an_release_resources(dev); + device_printf(dev,"unloaded\n"); + return (0); +} + +static int +an_pccard_probe(device_t dev) +{ + int error; + + error = an_probe(dev); /* 0 is failure for now */ + if (error != 0) { + device_set_desc(dev, "Aironet PC4500/PC4800"); + error = an_alloc_irq(dev, 0, 0); + } else + error = 1; + an_release_resources(dev); + return (error); +} + + +static int +an_pccard_attach(device_t dev) +{ + struct an_softc *sc = device_get_softc(dev); + int flags = device_get_flags(dev); + int error; + + an_alloc_port(dev, sc->port_rid, AN_IOSIZ); + an_alloc_irq(dev, sc->irq_rid, 0); + + error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, + an_intr, sc, &sc->irq_handle); + if (error) { + printf("setup intr failed %d \n", error); + an_release_resources(dev); + return (error); + } + + sc->an_bhandle = rman_get_bushandle(sc->port_res); + sc->an_btag = rman_get_bustag(sc->port_res); + + error = an_attach(sc, device_get_unit(dev), flags); + return (error); +} + |
