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/*-
* Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <dev/sound/pcm/sound.h>
SND_DECLARE_FILE("$FreeBSD$");
static u_int32_t fk_fmt[] = {
AFMT_U8,
AFMT_STEREO | AFMT_U8,
AFMT_S8,
AFMT_STEREO | AFMT_S8,
AFMT_S16_LE,
AFMT_STEREO | AFMT_S16_LE,
AFMT_U16_LE,
AFMT_STEREO | AFMT_U16_LE,
AFMT_S16_BE,
AFMT_STEREO | AFMT_S16_BE,
AFMT_U16_BE,
AFMT_STEREO | AFMT_U16_BE,
0
};
static struct pcmchan_caps fk_caps = {0, 1000000, fk_fmt, 0};
#define FKBUFSZ 4096
static char fakebuf[FKBUFSZ];
/* channel interface */
static void *
fkchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
{
sndbuf_setup(b, fakebuf, FKBUFSZ);
return (void *)0xbabef00d;
}
static int
fkchan_free(kobj_t obj, void *data)
{
return 0;
}
static int
fkchan_setformat(kobj_t obj, void *data, u_int32_t format)
{
return 0;
}
static int
fkchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
{
return speed;
}
static int
fkchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
return blocksize;
}
static int
fkchan_trigger(kobj_t obj, void *data, int go)
{
return 0;
}
static int
fkchan_getptr(kobj_t obj, void *data)
{
return 0;
}
static struct pcmchan_caps *
fkchan_getcaps(kobj_t obj, void *data)
{
return &fk_caps;
}
static kobj_method_t fkchan_methods[] = {
KOBJMETHOD(channel_init, fkchan_init),
KOBJMETHOD(channel_free, fkchan_free),
KOBJMETHOD(channel_setformat, fkchan_setformat),
KOBJMETHOD(channel_setspeed, fkchan_setspeed),
KOBJMETHOD(channel_setblocksize, fkchan_setblocksize),
KOBJMETHOD(channel_trigger, fkchan_trigger),
KOBJMETHOD(channel_getptr, fkchan_getptr),
KOBJMETHOD(channel_getcaps, fkchan_getcaps),
{ 0, 0 }
};
CHANNEL_DECLARE(fkchan);
struct pcm_channel *
fkchan_setup(device_t dev)
{
struct snddev_info *d = device_get_softc(dev);
struct pcm_channel *c;
c = malloc(sizeof(*c), M_DEVBUF, M_WAITOK);
c->methods = kobj_create(&fkchan_class, M_DEVBUF, M_WAITOK);
c->parentsnddev = d;
snprintf(c->name, CHN_NAMELEN, "%s:fake", device_get_nameunit(dev));
return c;
}
int
fkchan_kill(struct pcm_channel *c)
{
kobj_delete(c->methods, M_DEVBUF);
c->methods = NULL;
free(c, M_DEVBUF);
return 0;
}
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