164 lines
4.5 KiB
C
164 lines
4.5 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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* $FreeBSD$
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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/socket.h>
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#include <sys/bus.h>
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#include <sys/bus_private.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 <sys/malloc.h>
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#include <net/if.h>
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#include <net/ethernet.h>
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#include <net/if_arp.h>
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#include <pci/pcivar.h>
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#include <pci/pcireg.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_pci_probe(device_t);
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static int sbni_pci_attach(device_t);
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static device_method_t sbni_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, sbni_pci_probe),
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DEVMETHOD(device_attach, sbni_pci_attach),
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{ 0, 0 }
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};
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static driver_t sbni_pci_driver = {
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"sbni",
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sbni_pci_methods,
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sizeof(struct sbni_softc)
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};
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static devclass_t sbni_pci_devclass;
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DRIVER_MODULE(if_sbni, pci, sbni_pci_driver, sbni_pci_devclass, 0, 0);
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static int
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sbni_pci_probe(device_t dev)
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{
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struct sbni_softc *sc;
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u_int32_t ports;
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ports = SBNI_PORTS;
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if (pci_get_vendor(dev) != SBNI_PCI_VENDOR
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|| pci_get_device(dev) != SBNI_PCI_DEVICE)
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return (ENXIO);
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sc = device_get_softc(dev);
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bzero(sc, sizeof(struct sbni_softc));
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if (pci_get_subdevice(dev) == 2) {
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ports <<= 1;
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sc->slave_sc = malloc(sizeof(struct sbni_softc),
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M_DEVBUF, M_NOWAIT);
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if (!sc->slave_sc)
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return (ENOMEM);
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bzero(sc->slave_sc, sizeof(struct sbni_softc));
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device_set_desc(dev, "Granch SBNI12/PCI Dual adapter");
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} else
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device_set_desc(dev, "Granch SBNI12/PCI adapter");
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sc->io_rid = PCIR_MAPS;
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sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid,
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0ul, ~0ul, 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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if (sc->slave_sc)
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free(sc->slave_sc, M_DEVBUF);
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return (ENOENT);
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}
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sc->base_addr = rman_get_start(sc->io_res);
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if (sc->slave_sc)
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sc->slave_sc->base_addr = sc->base_addr + 4;
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if (sbni_probe(sc) != 0) {
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bus_release_resource(dev, SYS_RES_IOPORT,
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sc->io_rid, sc->io_res);
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if (sc->slave_sc)
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free(sc->slave_sc, M_DEVBUF);
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return (ENXIO);
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}
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device_quiet(dev);
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return (0);
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}
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static int
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sbni_pci_attach(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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printf("sbni%d: <Granch SBNI12/PCI%sadapter> port 0x%x",
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next_sbni_unit, sc->slave_sc ? " Dual " : " ", sc->base_addr);
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sc->irq_res = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
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0ul, ~0ul, 1, RF_SHAREABLE);
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if (sc->irq_res) {
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printf(" irq %ld\n", rman_get_start(sc->irq_res));
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error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
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sbni_intr, sc, &sc->irq_handle);
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if (error) {
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printf("sbni%d: bus_setup_intr\n", next_sbni_unit);
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goto attach_failed;
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}
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} else {
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printf("\nsbni%d: cannot claim irq!\n", next_sbni_unit);
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error = ENOENT;
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goto attach_failed;
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}
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*(u_int32_t*)&flags = 0;
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sbni_attach(sc, next_sbni_unit++, flags);
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if (sc->slave_sc)
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sbni_attach(sc->slave_sc, next_sbni_unit++, flags);
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return (0);
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attach_failed:
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bus_release_resource(dev, SYS_RES_IOPORT, sc->io_rid, sc->io_res);
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if (sc->slave_sc)
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free(sc->slave_sc, M_DEVBUF);
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return (error);
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}
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