freebsd-dev/sys/dev/cs/if_cs_isa.c

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/*
* Copyright (c) 1997,1998 Maxim Bolotin and Oleg Sharoiko.
* 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <isa/isavar.h>
#include <dev/cs/if_csvar.h>
#include <dev/cs/if_csreg.h>
static int cs_isa_probe (device_t);
static int cs_isa_attach (device_t);
static struct isa_pnp_id cs_ids[] = {
{ 0x4060630e, NULL }, /* CSC6040 */
{ 0x10104d24, NULL }, /* IBM EtherJet */
{ 0, NULL }
};
/*
* Determine if the device is present
*/
static int
cs_isa_probe(device_t dev)
{
int error = 0;
/* Check isapnp ids */
error = ISA_PNP_PROBE(device_get_parent(dev), dev, cs_ids);
/* If the card had a PnP ID that didn't match any we know about */
if (error == ENXIO)
goto end;
/* If we had some other problem. */
if (!(error == 0 || error == ENOENT))
goto end;
error = cs_cs89x0_probe(dev);
end:
/* Make sure IRQ is assigned for probe message and available */
if (error == 0)
error = cs_alloc_irq(dev, 0, 0);
cs_release_resources(dev);
return (error);
}
static int
cs_isa_attach(device_t dev)
{
struct cs_softc *sc = device_get_softc(dev);
int flags = device_get_flags(dev);
int error;
cs_alloc_port(dev, 0, CS_89x0_IO_PORTS);
/* XXX mem appears to not be used at all */
if (sc->mem_used)
cs_alloc_memory(dev, sc->mem_rid, sc->mem_used);
cs_alloc_irq(dev, sc->irq_rid, 0);
error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
csintr, sc, &sc->irq_handle);
if (error) {
cs_release_resources(dev);
return (error);
}
return (cs_attach(sc, device_get_unit(dev), flags));
}
static device_method_t cs_isa_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, cs_isa_probe),
DEVMETHOD(device_attach, cs_isa_attach),
#ifdef CS_HAS_DETACH
DEVMETHOD(device_detach, cs_detach),
#endif
{ 0, 0 }
};
static driver_t cs_isa_driver = {
"cs",
cs_isa_methods,
sizeof(struct cs_softc),
};
extern devclass_t cs_devclass;
DRIVER_MODULE(if_cs, isa, cs_isa_driver, cs_devclass, 0, 0);