* Copyright (c) 1997 The NetBSD Foundation, Inc.

/* $NetBSD: melody.c,v 1.19 2019/05/08 13:40:14 isaki Exp $ */

/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Ignatios Souvatzis.
*
* 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: melody.c,v 1.19 2019/05/08 13:40:14 isaki Exp $");

/*
* Melody audio driver.
*
* Currently, only minimum support for audio output. For audio/video
* synchronization, more is needed.
*/

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

#include <dev/ic/tms320av110reg.h>
#include <dev/ic/tms320av110var.h>

#include <amiga/dev/zbusvar.h>
#include <amiga/amiga/isr.h>

struct melody_softc {
struct tav_softc sc_tav;
struct bus_space_tag sc_bst_leftbyte;
struct isr sc_isr;
uint8_t * sc_intack;
};

int melody_match(device_t, cfdata_t, void *);
void melody_attach(device_t, device_t, void *);
void melody_intack(struct tav_softc *);

CFATTACH_DECL_NEW(melody, sizeof(struct melody_softc),
melody_match, melody_attach, NULL, NULL);

int
melody_match(device_t parent, cfdata_t cf, void *aux)
{
struct zbus_args *zap;

zap = aux;
if (zap->manid != 2145)
return (0);

if (zap->prodid != 128)
return (0);

return (1);
}

void
melody_attach(device_t parent, device_t self, void *aux)
{
struct melody_softc *sc;
struct zbus_args *zap;
bus_space_tag_t iot;
bus_space_handle_t ioh;

sc = device_private(self);
zap = aux;

sc->sc_bst_leftbyte.base = (u_long)zap->va + 0;
sc->sc_bst_leftbyte.absm = &amiga_bus_stride_2;
sc->sc_intack = (uint8_t *)zap->va + 0xc000;

/* set up board specific part in sc_tav */

iot = &sc->sc_bst_leftbyte;

if (bus_space_map(iot, 0, 128, 0, &ioh)) {
panic("melody: cant bus_space_map");
/* NOTREACHED */
}
sc->sc_tav.sc_dev = self;
sc->sc_tav.sc_iot = iot;
sc->sc_tav.sc_ioh = ioh;
sc->sc_tav.sc_pcm_ord = 0;
sc->sc_tav.sc_pcm_18 = 0;
sc->sc_tav.sc_dif = 0;
sc->sc_tav.sc_pcm_div = 12;

mutex_init(&sc->sc_tav.sc_lock, MUTEX_DEFAULT, IPL_NONE);
mutex_init(&sc->sc_tav.sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED);

/*
* Attach option boards now. They might provide additional
* functionality to our audio part.
*/

/* attach our audio driver */

printf(" #%d", zap->serno);
tms320av110_attach_mi(&sc->sc_tav);
sc->sc_isr.isr_ipl = 6;
sc->sc_isr.isr_arg = &sc->sc_tav;
sc->sc_isr.isr_intr = tms320av110_intr;
add_isr(&sc->sc_isr);
}

void
melody_intack(struct tav_softc *p)
{
struct melody_softc *sc;

sc = (struct melody_softc *)p;
*sc->sc_intack = 0;
}