/* $NetBSD: ohci_arbus.c,v 1.6 2021/11/10 17:19:29 msaitoh Exp $ */

/* $NetBSD: ohci_arbus.c,v 1.6 2021/11/10 17:19:29 msaitoh Exp $ */

/*-
* Copyright (c) 1998, 1999, 2000, 2002, 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Herb Peyerl of Middle Digital Inc.
*
* 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.
*
* 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 "locators.h"

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ohci_arbus.c,v 1.6 2021/11/10 17:19:29 msaitoh Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/bus.h>

#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdivar.h>
#include <dev/usb/usb_mem.h>

#include <dev/usb/ohcireg.h>
#include <dev/usb/ohcivar.h>

#include <mips/locore.h>

#include <mips/atheros/include/arbusvar.h>

static int ohci_arbus_match(device_t, cfdata_t, void *);
static void ohci_arbus_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(ohci_arbus, sizeof (ohci_softc_t),
ohci_arbus_match, ohci_arbus_attach, NULL, NULL);

int
ohci_arbus_match(device_t parent, cfdata_t cf, void *aux)
{
struct arbus_attach_args *aa = aux;
bus_space_handle_t bsh;

if (strcmp(aa->aa_name, cf->cf_name))
return 0;

if (bus_space_map(aa->aa_bst, aa->aa_addr, aa->aa_size, 0, &bsh) != 0)
return 0;

return 0; /* XXX */

if (badaddr((void *)bsh, 4) == -1) {
bus_space_unmap(aa->aa_bst, bsh, aa->aa_size);
return 0;
}

bus_space_unmap(aa->aa_bst, bsh, aa->aa_size);
return 1;
}

void
ohci_arbus_attach(device_t parent, device_t self, void *aux)
{
ohci_softc_t * const sc = device_private(self);
struct arbus_attach_args * const aa = aux;
void *ih = NULL;

sc->sc_dev = self;
sc->iot = aa->aa_bst;
sc->sc_size = aa->aa_size;
sc->sc_bus.ub_dmatag = aa->aa_dmat;
sc->sc_bus.ub_hcpriv = sc;

if (bus_space_map(sc->iot, aa->aa_addr, sc->sc_size, 0, &sc->ioh)) {
aprint_error_dev(self, "unable to map registers\n");
return;
}

/* Disable OHCI interrupts */
bus_space_write_4(sc->iot, sc->ioh, OHCI_INTERRUPT_DISABLE,
OHCI_ALL_INTRS);

/* establish interrupt */
ih = arbus_intr_establish(aa->aa_cirq, aa->aa_mirq, ohci_intr, sc);
if (ih == NULL)
panic("%s: couldn't establish interrupt", device_xname(self));

/* we don't handle endianness in bus space */
sc->sc_endian = OHCI_LITTLE_ENDIAN;

int err = ohci_init(sc);
if (err) {
aprint_error_dev(self, "init failed, error=%d\n", err);
if (ih != NULL)
arbus_intr_disestablish(ih);
return;
}

#if 0
if (psc->sc_ohci_devs[0] == NULL) {
psc->sc_ohci_devs[0] = self;
} else if (psc->sc_ohci_devs[1] == NULL) {
psc->sc_ohci_devs[1] = self;
} else {
panic("%s: too many ohci devices", __func__);
}
#endif

/* Attach USB device */
sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint, CFARGS_NONE);
}