uaudio.h revision 190749 
1/* $FreeBSD: head/sys/dev/sound/usb/uaudio.h 190749 2009-04-05 21:24:15Z piso $ */
2
3/*-
4 * Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28/* prototypes from "uaudio.c" used by "uaudio_pcm.c" */
29
30struct uaudio_chan;
31struct uaudio_softc;
32struct snd_dbuf;
33struct snd_mixer;
34struct pcm_channel;
35
36extern int	uaudio_attach_sub(device_t dev, kobj_class_t mixer_class,
37		    kobj_class_t chan_class);
38extern int	uaudio_detach_sub(device_t dev);
39extern void	*uaudio_chan_init(struct uaudio_softc *sc, struct snd_dbuf *b,
40		    struct pcm_channel *c, int dir);
41extern int	uaudio_chan_free(struct uaudio_chan *ch);
42extern int	uaudio_chan_set_param_blocksize(struct uaudio_chan *ch,
43		    uint32_t blocksize);
44extern int	uaudio_chan_set_param_fragments(struct uaudio_chan *ch,
45		    uint32_t blocksize, uint32_t blockcount);
46extern int	uaudio_chan_set_param_speed(struct uaudio_chan *ch,
47		    uint32_t speed);
48extern int	uaudio_chan_getptr(struct uaudio_chan *ch);
49extern struct	pcmchan_caps *uaudio_chan_getcaps(struct uaudio_chan *ch);
50extern int	uaudio_chan_set_param_format(struct uaudio_chan *ch,
51		    uint32_t format);
52extern int	uaudio_chan_start(struct uaudio_chan *ch);
53extern int	uaudio_chan_stop(struct uaudio_chan *ch);
54extern int	uaudio_mixer_init_sub(struct uaudio_softc *sc,
55		    struct snd_mixer *m);
56extern int	uaudio_mixer_uninit_sub(struct uaudio_softc *sc);
57extern void	uaudio_mixer_set(struct uaudio_softc *sc, unsigned type,
58		    unsigned left, unsigned right);
59extern uint32_t	uaudio_mixer_setrecsrc(struct uaudio_softc *sc, uint32_t src);
60
61int	uaudio_get_vendor(device_t dev);
62int	uaudio_get_product(device_t dev);
63int	uaudio_get_release(device_t dev);
64