* Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.

/* $NetBSD: pq3diic.c,v 1.7 2022/07/22 23:43:24 thorpej Exp $ */
/*-
* Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Raytheon BBN Technologies Corp and Defense Advanced Research Projects
* Agency and which was developed by Matt Thomas of 3am Software Foundry.
*
* This material is based upon work supported by the Defense Advanced Research
* Projects Agency and Space and Naval Warfare Systems Center, Pacific, under
* Contract No. N66001-09-C-2073.
* Approved for Public Release, Distribution Unlimited
*
* 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 <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pq3diic.c,v 1.7 2022/07/22 23:43:24 thorpej Exp $");

#include "ioconf.h"

#include <sys/param.h>
#include <sys/cpu.h>
#include <sys/device.h>
#include <sys/tty.h>

#include <sys/intr.h>
#include <sys/bus.h>

#include <dev/i2c/i2cvar.h>

#include <dev/i2c/motoi2creg.h>
#include <dev/i2c/motoi2cvar.h>

#include <powerpc/booke/cpuvar.h>
#include <powerpc/booke/e500var.h>
#include <powerpc/booke/e500reg.h>

static int pq3diic_match(device_t, cfdata_t, void *);
static void pq3diic_attach(device_t, device_t, void *);

CFATTACH_DECL_NEW(pq3diic, sizeof(struct motoi2c_softc),
pq3diic_match, pq3diic_attach, NULL, NULL);

static int
pq3diic_match(device_t parent, cfdata_t cf, void *aux)
{

if (!e500_cpunode_submatch(parent, cf, cf->cf_name, aux))
return 0;

return 1;
}

#if 0
static int
pq3diic_intr(void *arg)
{
struct pq3diic_softc * const sc = arg;

return motoi2c_intr(&sc->sc_motoi2c);
}
#endif

static void
pq3diic_attach(device_t parent, device_t self, void *aux)
{
struct cpunode_softc * const psc = device_private(parent);
struct motoi2c_softc * const sc = device_private(self);
struct cpunode_attach_args * const cna = aux;
struct cpunode_locators * const cnl = &cna->cna_locs;
int error;

psc->sc_children |= cna->cna_childmask;
sc->sc_dev = self;

aprint_normal("\n");

sc->sc_iot = cna->cna_memt;
error = bus_space_map(sc->sc_iot, cnl->cnl_addr, I2C_SIZE,
0, &sc->sc_ioh);
if (error) {
aprint_error_dev(self,
"can't map registers (error = %d)\n", error);
return;
}

motoi2c_attach(sc, NULL);

#if 0
/*
* XXX e500_intr.c can't handle shared interrupts, but that's
* XXX ok, because motoi2c doesn't support using interrupts
* XXX at the moment anyway.
*/
sc->sc_ih = intr_establish(cnl->cnl_intrs[0], IPL_VM, IST_ONCHIP,
pq3diic_intr, sc);
if (sc->sc_ih == NULL)
aprint_error_dev(self, "failed to establish interrupt %d\n",
cnl->cnl_intrs[0]);
else
aprint_normal_dev(self, "interrupting on irq %d\n",
cnl->cnl_intrs[0]);
#endif
}