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