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/* $FreeBSD: release/9.1.0/sys/dev/sound/usb/uaudio.h 232877 2012-03-12 18:38:40Z hselasky $ */ /*- * Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* prototypes from "uaudio.c" used by "uaudio_pcm.c" */ #ifndef _UAUDIO_H_ #define _UAUDIO_H_ struct uaudio_chan; struct uaudio_softc; struct snd_dbuf; struct snd_mixer; struct pcm_channel; extern int uaudio_attach_sub(device_t dev, kobj_class_t mixer_class, kobj_class_t chan_class); extern int uaudio_detach_sub(device_t dev); extern void *uaudio_chan_init(struct uaudio_softc *sc, struct snd_dbuf *b, struct pcm_channel *c, int dir); extern int uaudio_chan_free(struct uaudio_chan *ch); extern int uaudio_chan_set_param_blocksize(struct uaudio_chan *ch, uint32_t blocksize); extern int uaudio_chan_set_param_fragments(struct uaudio_chan *ch, uint32_t blocksize, uint32_t blockcount); extern int uaudio_chan_set_param_speed(struct uaudio_chan *ch, uint32_t speed); extern int uaudio_chan_getptr(struct uaudio_chan *ch); extern struct pcmchan_caps *uaudio_chan_getcaps(struct uaudio_chan *ch); extern struct pcmchan_matrix *uaudio_chan_getmatrix(struct uaudio_chan *ch, uint32_t format); extern int uaudio_chan_set_param_format(struct uaudio_chan *ch, uint32_t format); extern int uaudio_chan_start(struct uaudio_chan *ch); extern int uaudio_chan_stop(struct uaudio_chan *ch); extern int uaudio_mixer_init_sub(struct uaudio_softc *sc, struct snd_mixer *m); extern int uaudio_mixer_uninit_sub(struct uaudio_softc *sc); extern void uaudio_mixer_set(struct uaudio_softc *sc, unsigned type, unsigned left, unsigned right); extern uint32_t uaudio_mixer_setrecsrc(struct uaudio_softc *sc, uint32_t src); int uaudio_get_vendor(device_t dev); int uaudio_get_product(device_t dev); int uaudio_get_release(device_t dev); #endif /* _UAUDIO_H_ */