Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/usb/uaudio.h
Version:
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1 /* $FreeBSD$ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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_ */
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