freebsd-dev/sys/dev/wi/if_wi_macio.c

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/*-
* Copyright (c) 2013 Justin Hibbits
* All rights reserved.
* Copyright (c) 1997, 1998, 1999
* Bill Paul <wpaul@ctr.columbia.edu>. 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, 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
* 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.
*/
/*
* Lucent WaveLAN/IEEE 802.11 MacIO attachment for FreeBSD.
*
* Based on the PCMCIA driver
* Written by Bill Paul <wpaul@ctr.columbia.edu>
* Electrical Engineering Department
* Columbia University, New York City
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/openfirm.h>
#include <machine/ofw_machdep.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/ethernet.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_radiotap.h>
#include <dev/wi/if_wavelan_ieee.h>
#include <dev/wi/if_wireg.h>
#include <dev/wi/if_wivar.h>
static int wi_macio_probe(device_t);
static int wi_macio_attach(device_t);
static device_method_t wi_macio_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, wi_macio_probe),
DEVMETHOD(device_attach, wi_macio_attach),
DEVMETHOD(device_detach, wi_detach),
DEVMETHOD(device_shutdown, wi_shutdown),
{ 0, 0 }
};
static driver_t wi_macio_driver = {
"wi",
wi_macio_methods,
sizeof(struct wi_softc)
};
DRIVER_MODULE(wi, macio, wi_macio_driver, wi_devclass, 0, 0);
MODULE_DEPEND(wi, wlan, 1, 1, 1);
static int
wi_macio_probe(device_t dev)
{
const char *name, *compat;
/* Make sure we're a network driver */
name = ofw_bus_get_name(dev);
if (name == NULL)
return (ENXIO);
if (strcmp(name, "radio") != 0) {
return ENXIO;
}
compat = ofw_bus_get_compat(dev);
if (strcmp(compat, "wireless") != 0) {
return ENXIO;
}
device_set_desc(dev, "Apple Airport");
return 0;
}
static int
wi_macio_attach(device_t dev)
{
struct wi_softc *sc;
int error;
sc = device_get_softc(dev);
sc->wi_gone = 0;
sc->wi_bus_type = 0;
error = wi_alloc(dev, 0);
if (error == 0) {
/* Make sure interrupts are disabled. */
CSR_WRITE_2(sc, WI_INT_EN, 0);
CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF);
error = wi_attach(dev);
if (error != 0)
wi_free(dev);
}
return error;
}