xref: /freebsd/sys/dev/sound/usb/uaudio.h (revision a90b9d0159070121c221b966469c3e36d912bf82)
1 
2 /*-
3  * SPDX-License-Identifier: BSD-2-Clause
4  *
5  * Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org>
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 /* prototypes from "uaudio.c" used by "uaudio_pcm.c" */
30 
31 #ifndef _UAUDIO_H_
32 #define	_UAUDIO_H_
33 
34 struct uaudio_chan;
35 struct uaudio_softc;
36 struct snd_dbuf;
37 struct snd_mixer;
38 struct pcm_channel;
39 
40 extern int	uaudio_attach_sub(device_t dev, kobj_class_t mixer_class,
41 		    kobj_class_t chan_class);
42 extern int	uaudio_detach_sub(device_t dev);
43 extern void	*uaudio_chan_init(struct uaudio_chan *ch, struct snd_dbuf *b,
44 		    struct pcm_channel *c, int dir);
45 extern int	uaudio_chan_free(struct uaudio_chan *ch);
46 extern int	uaudio_chan_set_param_blocksize(struct uaudio_chan *ch,
47 		    uint32_t blocksize);
48 extern int	uaudio_chan_set_param_fragments(struct uaudio_chan *ch,
49 		    uint32_t blocksize, uint32_t blockcount);
50 extern int	uaudio_chan_set_param_speed(struct uaudio_chan *ch,
51 		    uint32_t speed);
52 extern int	uaudio_chan_getptr(struct uaudio_chan *ch);
53 extern struct	pcmchan_caps *uaudio_chan_getcaps(struct uaudio_chan *ch);
54 extern struct	pcmchan_matrix *uaudio_chan_getmatrix(struct uaudio_chan *ch,
55 		    uint32_t format);
56 extern int	uaudio_chan_set_param_format(struct uaudio_chan *ch,
57 		    uint32_t format);
58 extern void	uaudio_chan_start(struct uaudio_chan *ch);
59 extern void	uaudio_chan_stop(struct uaudio_chan *ch);
60 extern int	uaudio_mixer_init_sub(struct uaudio_softc *, struct snd_mixer *);
61 extern int	uaudio_mixer_uninit_sub(struct uaudio_softc *, struct snd_mixer *);
62 extern void	uaudio_mixer_set(struct uaudio_softc *, struct snd_mixer *,
63 		    unsigned type, unsigned left, unsigned right);
64 extern uint32_t	uaudio_mixer_setrecsrc(struct uaudio_softc *, struct snd_mixer *,
65 		    uint32_t src);
66 
67 int	uaudio_get_vendor(device_t dev);
68 int	uaudio_get_product(device_t dev);
69 int	uaudio_get_release(device_t dev);
70 
71 #endif			/* _UAUDIO_H_ */
72