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/* $OpenBSD: aoa.c,v 1.10 2020/06/06 21:01:30 gkoehler Exp $ */
/*-
* Copyright (c) 2005 Tsubai Masanari. 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* WORK-IN-PROGRESS AOAKeylargo audio driver.
*/
#include <sys/param.h>
#include <sys/audioio.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <dev/audio_if.h>
#include <dev/ofw/openfirm.h>
#include <macppc/dev/dbdma.h>
#include <machine/autoconf.h>
#include <macppc/dev/i2svar.h>
#ifdef AOA_DEBUG
# define DPRINTF printf
#else
# define DPRINTF while (0) printf
#endif
/* XXX */
#define aoa_softc i2s_softc
int aoa_match(struct device *, void *, void *);
void aoa_attach(struct device *, struct device *, void *);
void aoa_defer(struct device *);
void aoa_set_volume(struct aoa_softc *, int, int);
extern char *hw_prod;
struct cfattach aoa_ca = {
sizeof(struct aoa_softc), aoa_match, aoa_attach
};
struct cfdriver aoa_cd = {
NULL, "aoa", DV_DULL
};
struct audio_hw_if aoa_hw_if = {
i2s_open,
i2s_close,
i2s_set_params,
i2s_round_blocksize,
NULL,
NULL,
NULL,
NULL,
NULL,
i2s_halt_output,
i2s_halt_input,
NULL,
NULL,
i2s_set_port,
i2s_get_port,
i2s_query_devinfo,
i2s_allocm,
NULL,
i2s_round_buffersize,
i2s_get_props,
i2s_trigger_output,
i2s_trigger_input
};
int
aoa_match(struct device *parent, void *match, void *aux)
{
struct confargs *ca = aux;
int soundbus, soundchip;
char compat[32];
if (strcmp(ca->ca_name, "i2s") != 0)
return (0);
if ((soundbus = OF_child(ca->ca_node)) == 0 ||
(soundchip = OF_child(soundbus)) == 0)
return (0);
bzero(compat, sizeof compat);
OF_getprop(soundchip, "compatible", compat, sizeof compat);
if (strcmp(compat, "AOAKeylargo") == 0 &&
strcmp(hw_prod, "PowerBook5,4") != 0)
return (1);
if (strcmp(compat, "AOAK2") == 0)
return (1);
if (strcmp(compat, "AOAShasta") == 0)
return (1);
return (0);
}
void
aoa_attach(struct device *parent, struct device *self, void *aux)
{
struct aoa_softc *sc = (struct aoa_softc *)self;
sc->sc_setvolume = aoa_set_volume;
i2s_attach(parent, sc, aux);
config_defer(self, aoa_defer);
}
void
aoa_defer(struct device *dev)
{
struct aoa_softc *sc = (struct aoa_softc *)dev;
audio_attach_mi(&aoa_hw_if, sc, &sc->sc_dev);
deq_reset(sc);
}
void
aoa_set_volume(struct aoa_softc *sc, int left, int right)
{
/* This device doesn't provide volume control. */
}
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