xref: /freebsd/sys/dev/sound/usb/uaudio.h (revision 63d1fd5970ec814904aa0f4580b10a0d302d08b2)
1 /* $FreeBSD$ */
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 
30 #ifndef _UAUDIO_H_
31 #define	_UAUDIO_H_
32 
33 struct uaudio_chan;
34 struct uaudio_softc;
35 struct snd_dbuf;
36 struct snd_mixer;
37 struct pcm_channel;
38 
39 extern int	uaudio_attach_sub(device_t dev, kobj_class_t mixer_class,
40 		    kobj_class_t chan_class);
41 extern int	uaudio_detach_sub(device_t dev);
42 extern void	*uaudio_chan_init(struct uaudio_softc *sc, struct snd_dbuf *b,
43 		    struct pcm_channel *c, int dir);
44 extern int	uaudio_chan_free(struct uaudio_chan *ch);
45 extern int	uaudio_chan_set_param_blocksize(struct uaudio_chan *ch,
46 		    uint32_t blocksize);
47 extern int	uaudio_chan_set_param_fragments(struct uaudio_chan *ch,
48 		    uint32_t blocksize, uint32_t blockcount);
49 extern int	uaudio_chan_set_param_speed(struct uaudio_chan *ch,
50 		    uint32_t speed);
51 extern int	uaudio_chan_getptr(struct uaudio_chan *ch);
52 extern struct	pcmchan_caps *uaudio_chan_getcaps(struct uaudio_chan *ch);
53 extern struct	pcmchan_matrix *uaudio_chan_getmatrix(struct uaudio_chan *ch,
54 		    uint32_t format);
55 extern int	uaudio_chan_set_param_format(struct uaudio_chan *ch,
56 		    uint32_t format);
57 extern void	uaudio_chan_start(struct uaudio_chan *ch);
58 extern void	uaudio_chan_stop(struct uaudio_chan *ch);
59 extern int	uaudio_mixer_init_sub(struct uaudio_softc *sc,
60 		    struct snd_mixer *m);
61 extern int	uaudio_mixer_uninit_sub(struct uaudio_softc *sc);
62 extern void	uaudio_mixer_set(struct uaudio_softc *sc, unsigned type,
63 		    unsigned left, unsigned right);
64 extern uint32_t	uaudio_mixer_setrecsrc(struct uaudio_softc *sc, uint32_t src);
65 
66 int	uaudio_get_vendor(device_t dev);
67 int	uaudio_get_product(device_t dev);
68 int	uaudio_get_release(device_t dev);
69 
70 #endif			/* _UAUDIO_H_ */
71