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/*-
* 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("$FreeBSD$");
#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 <sys/malloc.h>
#include <net/if.h>
#include <net/ethernet.h>
#include <net/if_arp.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/sbni/if_sbnireg.h>
#include <dev/sbni/if_sbnivar.h>
static int sbni_pci_probe(device_t);
static int sbni_pci_attach(device_t);
static int sbni_pci_detach(device_t);
static device_method_t sbni_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, sbni_pci_probe),
DEVMETHOD(device_attach, sbni_pci_attach),
DEVMETHOD(device_detach, sbni_pci_detach),
{ 0, 0 }
};
static driver_t sbni_pci_driver = {
"sbni",
sbni_pci_methods,
sizeof(struct sbni_softc)
};
static devclass_t sbni_pci_devclass;
DRIVER_MODULE(sbni, pci, sbni_pci_driver, sbni_pci_devclass, 0, 0);
MODULE_DEPEND(sbni, pci, 1, 1, 1);
static int
sbni_pci_probe(device_t dev)
{
struct sbni_softc *sc;
u_int32_t ports;
ports = SBNI_PORTS;
if (pci_get_vendor(dev) != SBNI_PCI_VENDOR ||
pci_get_device(dev) != SBNI_PCI_DEVICE)
return (ENXIO);
sc = device_get_softc(dev);
if (pci_get_subdevice(dev) == 2) {
ports <<= 1;
sc->slave_sc = malloc(sizeof(struct sbni_softc),
M_DEVBUF, M_NOWAIT | M_ZERO);
if (!sc->slave_sc)
return (ENOMEM);
device_set_desc(dev, "Granch SBNI12/PCI Dual adapter");
} else
device_set_desc(dev, "Granch SBNI12/PCI adapter");
sc->io_rid = PCIR_BAR(0);
sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid,
0ul, ~0ul, ports, RF_ACTIVE);
if (!sc->io_res) {
device_printf(dev, "cannot allocate io ports!\n");
if (sc->slave_sc)
free(sc->slave_sc, M_DEVBUF);
return (ENOENT);
}
if (sc->slave_sc) {
sc->slave_sc->io_res = sc->io_res;
sc->slave_sc->io_off = 4;
}
if (sbni_probe(sc) != 0) {
sbni_release_resources(sc);
if (sc->slave_sc)
free(sc->slave_sc, M_DEVBUF);
return (ENXIO);
}
return (0);
}
static int
sbni_pci_attach(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_SHAREABLE);
if (sc->irq_res == NULL) {
device_printf(dev, "cannot claim irq!\n");
error = ENOENT;
goto attach_failed;
}
*(u_int32_t*)&flags = 0;
error = sbni_attach(sc, device_get_unit(dev) * 2, flags);
if (error) {
device_printf(dev, "cannot initialize driver\n");
goto attach_failed;
}
if (sc->slave_sc) {
error = sbni_attach(sc->slave_sc, device_get_unit(dev) * 2 + 1,
flags);
if (error) {
device_printf(dev, "cannot initialize slave\n");
sbni_detach(sc);
goto attach_failed;
}
}
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);
if (sc->slave_sc)
sbni_detach(sc);
goto attach_failed;
}
}
return (0);
attach_failed:
sbni_release_resources(sc);
if (sc->slave_sc)
free(sc->slave_sc, M_DEVBUF);
return (error);
}
static int
sbni_pci_detach(device_t dev)
{
struct sbni_softc *sc;
sc = device_get_softc(dev);
sbni_detach(sc);
if (sc->slave_sc)
sbni_detach(sc);
sbni_release_resources(sc);
if (sc->slave_sc)
free(sc->slave_sc, M_DEVBUF);
return (0);
}
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