* Copyright (c) 1999, 2002

/* $NetBSD: vr4181ip.c,v 1.4 2012/10/27 17:17:55 chs Exp $ */

/*-
* Copyright (c) 1999, 2002
* Shin Takemura and PocketBSD Project. 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. Neither the name of the project 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 REGENTS 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 REGENTS 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: vr4181ip.c,v 1.4 2012/10/27 17:17:55 chs Exp $");

#include "opt_vr41xx.h"

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

#include <machine/bus.h>

#include <hpcmips/vr/vrcpudef.h>
#include <hpcmips/vr/vripunit.h>
#include <hpcmips/vr/vripreg.h>
#include <hpcmips/vr/vripvar.h>
#include <hpcmips/vr/vr4181ipvar.h>
#include <hpcmips/vr/icureg.h>
#include <hpcmips/vr/cmureg.h>

static void vr4181ipattach(device_t, device_t, void *);

CFATTACH_DECL_NEW(vr4181ip, sizeof(struct vrip_softc),
vripmatch, vr4181ipattach, NULL, NULL);

static const struct vrip_unit vr4181ip_units[] = {
[VRIP_UNIT_RTC] = { "rtc",
{ VRIP_INTR_RTCL1, }, },
[VRIP_UNIT_SIU] = { "siu",
{ VRIP_INTR_SIU, }, },
[VRIP_UNIT_GIU] = { "giu",
{ VRIP_INTR_GIU, }, },
[VRIP_UNIT_ECU] = { "ecu",
{ VRIP_INTR_ECU, }, },
[VRIP_UNIT_AIU] = { "aiu",
{ VRIP_INTR_DCU81, }, },
#if 0
[VRIP_UNIT_PMU] = { "pmu",
{ VRIP_INTR_POWER, VRIP_INTR_BAT, }, },
[VRIP_UNIT_PIU] = { "piu",
{ VRIP_INTR_PIU, },
CMUMASK_PIU,
ICUPIUINT_REG_W, MPIUINT_REG_W },
[VRIP_UNIT_KIU] = { "kiu",
{ VRIP_INTR_KIU, },
CMUMASK_KIU,
KIUINT_REG_W, MKIUINT_REG_W },
[VRIP_UNIT_LED] = { "led",
{ VRIP_INTR_LED, }, },
[VRIP_UNIT_AIU] = { "aiu",
{ VRIP_INTR_AIU, },
CMUMASK_AIU,
AIUINT_REG_W, MAIUINT_REG_W },
[VRIP_UNIT_FIR] = { "fir",
{ VRIP_INTR_FIR, },
CMUMASK_FIR,
FIRINT_REG_W, MFIRINT_REG_W },
[VRIP_UNIT_DSIU]= { "dsiu",
{ VRIP_INTR_DSIU, },
CMUMASK_DSIU,
DSIUINT_REG_W, MDSIUINT_REG_W },
[VRIP_UNIT_PCIU]= { "pciu",
{ VRIP_INTR_PCI, },
CMUMASK_PCIU,
PCIINT_REG_W, MPCIINT_REG_W },
[VRIP_UNIT_SCU] = { "scu",
{ VRIP_INTR_SCU, },
0,
SCUINT_REG_W, MSCUINT_REG_W },
[VRIP_UNIT_CSI] = { "csi",
{ VRIP_INTR_CSI, },
CMUMASK_CSI,
CSIINT_REG_W, MCSIINT_REG_W },
[VRIP_UNIT_BCU] = { "bcu",
{ VRIP_INTR_BCU, },
0,
BCUINT_REG_W, MBCUINT_REG_W },
#endif
};

#define MAXCOMINTR 2

struct vr4181ip_intrhand {
int (*ih_fun)(void *);
void *ih_arg;
};

static struct vr4181ip_intrhand intrhands[MAXCOMINTR];
static int registered = 0;

static void
vr4181ipattach(device_t parent, device_t self, void *aux)
{
struct vrip_softc *sc = device_private(self);

printf("\n");

sc->sc_units = vr4181ip_units;
sc->sc_nunits = sizeof(vr4181ip_units)/sizeof(struct vrip_unit);
sc->sc_icu_addr = VR4181_ICU_ADDR;
sc->sc_sysint2 = VR4181_SYSINT2_REG_W;
sc->sc_msysint2 = VR4181_MSYSINT2_REG_W;

vripattach_common(parent, self, aux);
}

static int
vr4181ip_comintr(void *arg)
{
struct vr4181ip_intrhand *ih = arg;
int i;

for (i = 0; i < MAXCOMINTR; i++) {
if (ih[i].ih_fun)
ih[i].ih_fun(ih[i].ih_arg);
}
return 1;
}

void
vr4181ip_comintr_establish(vrip_chipset_tag_t vc, int unit, int line,
int level, int (*ih_fun)(void *), void *ih_arg)
{
int i;

if (!registered) {
if (!vrip_intr_establish(vc, unit, 0, IPL_TTY,
vr4181ip_comintr, intrhands)) {
panic("vr4181ip_comintr_establish: "
"can't map interrupt line.");
}
registered = 1;
}

for (i = 0; i < MAXCOMINTR; i++) {
if (intrhands[i].ih_fun == NULL) {
intrhands[i].ih_fun = ih_fun;
intrhands[i].ih_arg = ih_arg;
break;
}
}
if (i >= MAXCOMINTR)
panic("too many vr4181 SIU");
}