Current Path : /sys/dev/snc/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/snc/if_snc_pccard.c |
/*- * Copyright (c) 1995, David Greenman * 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: release/9.1.0/sys/dev/snc/if_snc_pccard.c 181393 2008-08-07 20:55:20Z imp $"); /* * National Semiconductor DP8393X SONIC Driver * * This is the PC Card attachment on FreeBSD * written by Motomichi Matsuzaki <mzaki@e-mail.ne.jp> and * Hiroshi Yamashita <bluemoon@msj.biglobe.ne.jp> */ #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 <net/ethernet.h> #include <net/if.h> #include <net/if_arp.h> #include <net/if_media.h> #include <dev/snc/dp83932var.h> #include <dev/snc/if_sncvar.h> #include <dev/snc/if_sncreg.h> #include <dev/pccard/pccardvar.h> #include <dev/pccard/pccard_cis.h> #include "pccarddevs.h" static const struct pccard_product snc_pccard_products[] = { PCMCIA_CARD(NEC, PC9801N_J02), PCMCIA_CARD(NEC, PC9801N_J02R), { NULL } }; /* * PC Card (PCMCIA) specific code. */ static int snc_pccard_probe(device_t); static int snc_pccard_attach(device_t); static int snc_pccard_detach(device_t); static device_method_t snc_pccard_methods[] = { /* Device interface */ DEVMETHOD(device_probe, snc_pccard_probe), DEVMETHOD(device_attach, snc_pccard_attach), DEVMETHOD(device_detach, snc_pccard_detach), { 0, 0 } }; static driver_t snc_pccard_driver = { "snc", snc_pccard_methods, sizeof(struct snc_softc) }; DRIVER_MODULE(snc, pccard, snc_pccard_driver, snc_devclass, 0, 0); MODULE_DEPEND(snc, ether, 1, 1, 1); /* * snc_pccard_detach - detach this instance from the device. */ static int snc_pccard_detach(device_t dev) { struct snc_softc *sc = device_get_softc(dev); struct ifnet *ifp = sc->sc_ifp; if (sc->gone) { device_printf(dev, "already unloaded\n"); return (0); } SNC_LOCK(sc); sncshutdown(sc); SNC_UNLOCK(sc); callout_drain(&sc->sc_timer); ether_ifdetach(ifp); sc->gone = 1; bus_teardown_intr(dev, sc->irq, sc->irq_handle); snc_release_resources(dev); mtx_destroy(&sc->sc_lock); return (0); } /* * Probe the pccard. */ static int snc_pccard_probe(device_t dev) { const struct pccard_product *pp; if ((pp = pccard_product_lookup(dev, snc_pccard_products, sizeof(snc_pccard_products[0]), NULL)) == NULL) return (EIO); if (pp->pp_name != NULL) device_set_desc(dev, pp->pp_name); return (0); } static int snc_pccard_attach(device_t dev) { struct snc_softc *sc = device_get_softc(dev); int error; /* * Not sure that this belongs here or in snc_pccard_attach */ if ((error = snc_alloc_port(dev, 0)) != 0) goto err; if ((error = snc_alloc_memory(dev, 0)) != 0) goto err; if ((error = snc_alloc_irq(dev, 0, 0)) != 0) goto err; if ((error = snc_probe(dev, SNEC_TYPE_PNP)) != 0) goto err; /* This interface is always enabled. */ sc->sc_enabled = 1; /* pccard_get_ether(dev, ether_addr); */ if ((error = snc_attach(dev)) != 0) goto err; return 0; err:; snc_release_resources(dev); return error; }