xref: /freebsd/sys/dev/sound/usb/uaudio.h (revision 4e8d558c)
1 /* $FreeBSD$ */
2 
3 /*-
4  * SPDX-License-Identifier: BSD-2-Clause
5  *
6  * Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 /* prototypes from "uaudio.c" used by "uaudio_pcm.c" */
31 
32 #ifndef _UAUDIO_H_
33 #define	_UAUDIO_H_
34 
35 struct uaudio_chan;
36 struct uaudio_softc;
37 struct snd_dbuf;
38 struct snd_mixer;
39 struct pcm_channel;
40 
41 extern int	uaudio_attach_sub(device_t dev, kobj_class_t mixer_class,
42 		    kobj_class_t chan_class);
43 extern int	uaudio_detach_sub(device_t dev);
44 extern void	*uaudio_chan_init(struct uaudio_chan *ch, struct snd_dbuf *b,
45 		    struct pcm_channel *c, int dir);
46 extern int	uaudio_chan_free(struct uaudio_chan *ch);
47 extern int	uaudio_chan_set_param_blocksize(struct uaudio_chan *ch,
48 		    uint32_t blocksize);
49 extern int	uaudio_chan_set_param_fragments(struct uaudio_chan *ch,
50 		    uint32_t blocksize, uint32_t blockcount);
51 extern int	uaudio_chan_set_param_speed(struct uaudio_chan *ch,
52 		    uint32_t speed);
53 extern int	uaudio_chan_getptr(struct uaudio_chan *ch);
54 extern struct	pcmchan_caps *uaudio_chan_getcaps(struct uaudio_chan *ch);
55 extern struct	pcmchan_matrix *uaudio_chan_getmatrix(struct uaudio_chan *ch,
56 		    uint32_t format);
57 extern int	uaudio_chan_set_param_format(struct uaudio_chan *ch,
58 		    uint32_t format);
59 extern void	uaudio_chan_start(struct uaudio_chan *ch);
60 extern void	uaudio_chan_stop(struct uaudio_chan *ch);
61 extern int	uaudio_mixer_init_sub(struct uaudio_softc *, struct snd_mixer *);
62 extern int	uaudio_mixer_uninit_sub(struct uaudio_softc *, struct snd_mixer *);
63 extern void	uaudio_mixer_set(struct uaudio_softc *, struct snd_mixer *,
64 		    unsigned type, unsigned left, unsigned right);
65 extern uint32_t	uaudio_mixer_setrecsrc(struct uaudio_softc *, struct snd_mixer *,
66 		    uint32_t src);
67 
68 int	uaudio_get_vendor(device_t dev);
69 int	uaudio_get_product(device_t dev);
70 int	uaudio_get_release(device_t dev);
71 
72 #endif			/* _UAUDIO_H_ */
73