Current Path : /sys/dev/sbni/ |
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/sbni/if_sbni_isa.c |
/*- * Copyright (c) 1997-2001 Granch, Ltd. All rights reserved. * Author: Denis I.Timofeev <timofeev@granch.ru> * * Redistributon 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 NEIGENCE 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/sbni/if_sbni_isa.c 180263 2008-07-04 20:53:41Z jhb $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/socket.h> #include <sys/bus.h> #include <sys/kernel.h> #include <sys/module.h> #include <machine/bus.h> #include <machine/resource.h> #include <sys/rman.h> #include <net/if.h> #include <net/ethernet.h> #include <net/if_arp.h> #include <isa/isavar.h> #include <dev/sbni/if_sbnireg.h> #include <dev/sbni/if_sbnivar.h> static int sbni_probe_isa(device_t); static int sbni_attach_isa(device_t); static device_method_t sbni_isa_methods[] = { /* Device interface */ DEVMETHOD(device_probe, sbni_probe_isa), DEVMETHOD(device_attach, sbni_attach_isa), { 0, 0 } }; static driver_t sbni_isa_driver = { "sbni", sbni_isa_methods, sizeof(struct sbni_softc) }; static devclass_t sbni_isa_devclass; static struct isa_pnp_id sbni_ids[] = { { 0, NULL } /* we have no pnp sbni cards atm. */ }; DRIVER_MODULE(sbni, isa, sbni_isa_driver, sbni_isa_devclass, 0, 0); MODULE_DEPEND(sbni, isa, 1, 1, 1); static int sbni_probe_isa(device_t dev) { struct sbni_softc *sc; int error; error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbni_ids); if (error && error != ENOENT) return (error); sc = device_get_softc(dev); sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid, 0ul, ~0ul, SBNI_PORTS, RF_ACTIVE); if (!sc->io_res) { printf("sbni: cannot allocate io ports!\n"); return (ENOENT); } if (sbni_probe(sc) != 0) { sbni_release_resources(sc); return (ENXIO); } device_set_desc(dev, "Granch SBNI12/ISA adapter"); return (0); } static int sbni_attach_isa(device_t dev) { struct sbni_softc *sc; struct sbni_flags flags; int error; sc = device_get_softc(dev); sc->dev = dev; sc->irq_res = bus_alloc_resource_any( dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE); #ifndef SBNI_DUAL_COMPOUND if (sc->irq_res == NULL) { device_printf(dev, "irq conflict!\n"); sbni_release_resources(sc); return (ENOENT); } #else /* SBNI_DUAL_COMPOUND */ if (sc->irq_res) { sbni_add(sc); } else { struct sbni_softc *master; if ((master = connect_to_master(sc)) == 0) { device_printf(dev, "failed to alloc irq\n"); sbni_release_resources(sc); return (ENXIO); } else { device_printf(dev, "shared irq with %s\n", master->ifp->if_xname); } } #endif /* SBNI_DUAL_COMPOUND */ *(u_int32_t*)&flags = device_get_flags(dev); error = sbni_attach(sc, device_get_unit(dev) * 2, flags); if (error) { device_printf(dev, "cannot initialize driver\n"); sbni_release_resources(sc); return (error); } if (sc->irq_res) { error = bus_setup_intr( dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE, NULL, sbni_intr, sc, &sc->irq_handle); if (error) { device_printf(dev, "bus_setup_intr\n"); sbni_detach(sc); sbni_release_resources(sc); return (error); } } return (0); }