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/* $NetBSD: if_ath_arbus.c,v 1.23 2022/09/29 07:00:46 skrll Exp $ */
/*-
* Copyright (c) 2006 Jared D. McNeill <jmcneill@invisible.ca>
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_ath_arbus.c,v 1.23 2022/09/29 07:00:46 skrll Exp $");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/device.h>
#include <sys/errno.h>
#include <sys/intr.h>
#include <sys/kernel.h>
#include <sys/mbuf.h>
#include <sys/systm.h>
#include <net/if.h>
#include <net/if_media.h>
#include <net/if_ether.h>
#include <net/if_llc.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <net80211/ieee80211_netbsd.h>
#include <net80211/ieee80211_var.h>
#include <mips/atheros/include/arbusvar.h>
#include <mips/atheros/include/platform.h>
#include <dev/pci/pcidevs.h>
#include <dev/ic/ath_netbsd.h>
#include <dev/ic/athvar.h>
#include <ah.h>
#include <ah_soc.h> /* XXX really doesn't belong in hal */
struct ath_arbus_softc {
struct ath_softc sc_ath;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
void *sc_ih;
struct ar531x_config sc_config;
};
static int ath_arbus_match(device_t, cfdata_t, void *);
static void ath_arbus_attach(device_t, device_t, void *);
static int ath_arbus_detach(device_t, int);
CFATTACH_DECL_NEW(ath_arbus, sizeof(struct ath_arbus_softc),
ath_arbus_match, ath_arbus_attach, ath_arbus_detach, NULL);
static int
ath_arbus_match(device_t parent, cfdata_t cf, void *opaque)
{
struct arbus_attach_args *aa;
aa = (struct arbus_attach_args *)opaque;
if (strcmp(aa->aa_name, "ath") == 0)
return 1;
return 0;
}
static bool
ath_arbus_resume(device_t dv, const pmf_qual_t *qual)
{
struct ath_arbus_softc *asc = device_private(dv);
ath_resume(&asc->sc_ath);
return true;
}
static void
ath_arbus_attach(device_t parent, device_t self, void *opaque)
{
struct ath_arbus_softc *asc;
struct ath_softc *sc;
struct arbus_attach_args *aa;
const char *name;
prop_number_t prop;
int rv;
uint16_t devid;
asc = device_private(self);
sc = &asc->sc_ath;
sc->sc_dev = self;
aa = (struct arbus_attach_args *)opaque;
prop = prop_dictionary_get(device_properties(sc->sc_dev),
"wmac-rev");
if (prop == NULL) {
printf(": unable to get wmac-rev property\n");
return;
}
KDASSERT(prop_object_type(prop) == PROP_TYPE_NUMBER);
devid = (uint16_t)prop_number_integer_value(prop);
name = ath_hal_probe(PCI_VENDOR_ATHEROS, devid);
printf(": %s\n", name ? name : "Unknown AR531X WLAN");
asc->sc_iot = aa->aa_bst;
rv = bus_space_map(asc->sc_iot, aa->aa_addr, aa->aa_size, 0,
&asc->sc_ioh);
if (rv) {
aprint_error_dev(self, "unable to map registers\n");
return;
}
/*
* Setup HAL configuration state for use by the driver.
*/
rv = atheros_get_board_config(&asc->sc_config);
if (rv) {
aprint_error_dev(self, "unable to locate board configuration\n");
return;
}
asc->sc_config.unit = device_unit(sc->sc_dev);
asc->sc_config.tag = asc->sc_iot;
/* NB: the HAL expects the config state passed as the tag */
sc->sc_st = (HAL_BUS_TAG) &asc->sc_config;
sc->sc_sh = (HAL_BUS_HANDLE) asc->sc_ioh;
sc->sc_dmat = aa->aa_dmat;
asc->sc_ih = arbus_intr_establish(aa->aa_cirq, aa->aa_mirq, ath_intr,
sc);
if (asc->sc_ih == NULL) {
aprint_error_dev(self, "couldn't establish interrupt\n");
return;
}
//ATH_LOCK_INIT(sc);
if (!pmf_device_register(self, NULL, ath_arbus_resume))
aprint_error_dev(self, "couldn't establish power handler\n");
else
pmf_class_network_register(self, &sc->sc_if);
if (ath_attach(devid, sc) != 0) {
aprint_error_dev(self, "ath_attach failed\n");
goto err;
}
return;
err:
arbus_intr_disestablish(asc->sc_ih);
}
static int
ath_arbus_detach(device_t self, int flags)
{
struct ath_arbus_softc *asc = device_private(self);
ath_detach(&asc->sc_ath);
arbus_intr_disestablish(asc->sc_ih);
return (0);
}
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