1/* 2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
26 * $FreeBSD: head/sys/dev/sound/pcm/mixer.h 70134 2000-12-18 01:36:41Z cg $ |
27 */ 28 |
29extern int mixer_init(device_t dev, kobj_class_t cls, void *devinfo); |
30extern int mixer_uninit(device_t dev); 31extern int mixer_reinit(device_t dev); 32extern int mixer_ioctl(snddev_info *d, u_long cmd, caddr_t arg); |
33extern int mixer_busy(snd_mixer *m, int busy); 34extern int mixer_isbusy(snd_mixer *m); |
35 36extern void change_bits(mixer_tab *t, u_char *regval, int dev, int chn, int newval); 37 38void mix_setdevs(snd_mixer *m, u_int32_t v); 39void mix_setrecdevs(snd_mixer *m, u_int32_t v); 40u_int32_t mix_getdevs(snd_mixer *m); 41u_int32_t mix_getrecdevs(snd_mixer *m); 42void *mix_getdevinfo(snd_mixer *m); |
43 44#define MIXER_DECLARE(name) DEFINE_CLASS(name, name ## _methods, sizeof(snd_mixer)) |