1 /* $FreeBSD: head/sys/dev/sound/usb/uaudio.h 228484 2011-12-14 00:48:20Z hselasky $ */ 2 3 /*- 4 * Copyright (c) 2000-2002 Hiroyuki Aizu <aizu@navi.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* prototypes from "uaudio.c" used by "uaudio_pcm.c" */ 29 30 #ifndef _UAUDIO_H_ 31 #define _UAUDIO_H_ 32 33 struct uaudio_chan; 34 struct uaudio_softc; 35 struct snd_dbuf; 36 struct snd_mixer; 37 struct pcm_channel; 38 39 extern int uaudio_attach_sub(device_t dev, kobj_class_t mixer_class, 40 kobj_class_t chan_class); 41 extern int uaudio_detach_sub(device_t dev); 42 extern void *uaudio_chan_init(struct uaudio_softc *sc, struct snd_dbuf *b, 43 struct pcm_channel *c, int dir); 44 extern int uaudio_chan_free(struct uaudio_chan *ch); 45 extern int uaudio_chan_set_param_blocksize(struct uaudio_chan *ch, 46 uint32_t blocksize); 47 extern int uaudio_chan_set_param_fragments(struct uaudio_chan *ch, 48 uint32_t blocksize, uint32_t blockcount); 49 extern int uaudio_chan_set_param_speed(struct uaudio_chan *ch, 50 uint32_t speed); 51 extern int uaudio_chan_getptr(struct uaudio_chan *ch); 52 extern struct pcmchan_caps *uaudio_chan_getcaps(struct uaudio_chan *ch); 53 extern struct pcmchan_matrix *uaudio_chan_getmatrix(struct uaudio_chan *ch, 54 uint32_t format); 55 extern int uaudio_chan_set_param_format(struct uaudio_chan *ch, 56 uint32_t format); 57 extern void uaudio_chan_start(struct uaudio_chan *ch); 58 extern void uaudio_chan_stop(struct uaudio_chan *ch); 59 extern int uaudio_mixer_init_sub(struct uaudio_softc *sc, 60 struct snd_mixer *m); 61 extern int uaudio_mixer_uninit_sub(struct uaudio_softc *sc); 62 extern void uaudio_mixer_set(struct uaudio_softc *sc, unsigned type, 63 unsigned left, unsigned right); 64 extern uint32_t uaudio_mixer_setrecsrc(struct uaudio_softc *sc, uint32_t src); 65 66 int uaudio_get_vendor(device_t dev); 67 int uaudio_get_product(device_t dev); 68 int uaudio_get_release(device_t dev); 69 70 #endif /* _UAUDIO_H_ */ 71