a6ed493726
will time out and close opened /dev/dspX.Y device(s), if any. This is a workaround because we cannot unregister PCM devices while the audio character device is in use. Add a missing inclusion guard. MFC after: 1 weeks
71 lines
3.0 KiB
C
71 lines
3.0 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* prototypes from "uaudio.c" used by "uaudio_pcm.c" */
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#ifndef _UAUDIO_H_
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#define _UAUDIO_H_
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struct uaudio_chan;
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struct uaudio_softc;
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struct snd_dbuf;
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struct snd_mixer;
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struct pcm_channel;
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extern int uaudio_attach_sub(device_t dev, kobj_class_t mixer_class,
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kobj_class_t chan_class);
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extern int uaudio_detach_sub(device_t dev);
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extern void *uaudio_chan_init(struct uaudio_softc *sc, struct snd_dbuf *b,
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struct pcm_channel *c, int dir);
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extern int uaudio_chan_free(struct uaudio_chan *ch);
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extern int uaudio_chan_set_param_blocksize(struct uaudio_chan *ch,
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uint32_t blocksize);
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extern int uaudio_chan_set_param_fragments(struct uaudio_chan *ch,
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uint32_t blocksize, uint32_t blockcount);
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extern int uaudio_chan_set_param_speed(struct uaudio_chan *ch,
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uint32_t speed);
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extern int uaudio_chan_getptr(struct uaudio_chan *ch);
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extern struct pcmchan_caps *uaudio_chan_getcaps(struct uaudio_chan *ch);
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extern struct pcmchan_matrix *uaudio_chan_getmatrix(struct uaudio_chan *ch,
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uint32_t format);
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extern int uaudio_chan_set_param_format(struct uaudio_chan *ch,
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uint32_t format);
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extern int uaudio_chan_start(struct uaudio_chan *ch);
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extern int uaudio_chan_stop(struct uaudio_chan *ch);
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extern int uaudio_mixer_init_sub(struct uaudio_softc *sc,
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struct snd_mixer *m);
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extern int uaudio_mixer_uninit_sub(struct uaudio_softc *sc);
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extern void uaudio_mixer_set(struct uaudio_softc *sc, unsigned type,
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unsigned left, unsigned right);
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extern uint32_t uaudio_mixer_setrecsrc(struct uaudio_softc *sc, uint32_t src);
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int uaudio_get_vendor(device_t dev);
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int uaudio_get_product(device_t dev);
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int uaudio_get_release(device_t dev);
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#endif /* _UAUDIO_H_ */
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