mixer.h revision 193640
1139749Simp/*- 2193640Sariff * Copyright (c) 2005-2009 Ariff Abdullah <ariff@FreeBSD.org> 3193640Sariff * Copyright (c) 1999 Cameron Grant <cg@FreeBSD.org> 450724Scg * All rights reserved. 550724Scg * 650724Scg * Redistribution and use in source and binary forms, with or without 750724Scg * modification, are permitted provided that the following conditions 850724Scg * are met: 950724Scg * 1. Redistributions of source code must retain the above copyright 1050724Scg * notice, this list of conditions and the following disclaimer. 1150724Scg * 2. Redistributions in binary form must reproduce the above copyright 1250724Scg * notice, this list of conditions and the following disclaimer in the 1350724Scg * documentation and/or other materials provided with the distribution. 1450724Scg * 1550724Scg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1650724Scg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1750724Scg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1850724Scg * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1950724Scg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2050724Scg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2150724Scg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2250724Scg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2350724Scg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2450724Scg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2550724Scg * SUCH DAMAGE. 2650724Scg * 2750733Speter * $FreeBSD: head/sys/dev/sound/pcm/mixer.h 193640 2009-06-07 19:12:08Z ariff $ 2850724Scg */ 2950724Scg 30170815Sariffstruct snd_mixer *mixer_create(device_t dev, kobj_class_t cls, void *devinfo, 31170815Sariff const char *desc); 32170815Sariffint mixer_delete(struct snd_mixer *m); 3374763Scgint mixer_init(device_t dev, kobj_class_t cls, void *devinfo); 3474763Scgint mixer_uninit(device_t dev); 3574763Scgint mixer_reinit(device_t dev); 36170815Sariffint mixer_ioctl_cmd(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, struct thread *td, int from); 37162588Snetchildint mixer_oss_mixerinfo(struct cdev *i_dev, oss_mixerinfo *mi); 3850724Scg 3970944Sjhbint mixer_hwvol_init(device_t dev); 4070944Sjhbvoid mixer_hwvol_mute(device_t dev); 4170944Sjhbvoid mixer_hwvol_step(device_t dev, int left_step, int right_step); 4270618Sjhb 43170815Sariffint mixer_busy(struct snd_mixer *m); 44170815Sariff 45170815Sariffint mix_set(struct snd_mixer *m, u_int dev, u_int left, u_int right); 46170815Sariffint mix_get(struct snd_mixer *m, u_int dev); 47170815Sariffint mix_setrecsrc(struct snd_mixer *m, u_int32_t src); 48170815Sariffu_int32_t mix_getrecsrc(struct snd_mixer *m); 49170815Sariffint mix_get_type(struct snd_mixer *m); 50170815Sariff 5174763Scgvoid mix_setdevs(struct snd_mixer *m, u_int32_t v); 5274763Scgvoid mix_setrecdevs(struct snd_mixer *m, u_int32_t v); 5374763Scgu_int32_t mix_getdevs(struct snd_mixer *m); 5474763Scgu_int32_t mix_getrecdevs(struct snd_mixer *m); 55162738Sariffvoid mix_setparentchild(struct snd_mixer *m, u_int32_t parent, u_int32_t childs); 56162738Sariffvoid mix_setrealdev(struct snd_mixer *m, u_int32_t dev, u_int32_t realdev); 57162738Sariffu_int32_t mix_getparent(struct snd_mixer *m, u_int32_t dev); 58162738Sariffu_int32_t mix_getchild(struct snd_mixer *m, u_int32_t dev); 5974763Scgvoid *mix_getdevinfo(struct snd_mixer *m); 60184610Salfredstruct mtx *mixer_get_lock(struct snd_mixer *m); 6150724Scg 62162588Snetchildextern int mixer_count; 63162588Snetchild 64170815Sariff#define MIXER_CMD_DIRECT 0 /* send command within driver */ 65170815Sariff#define MIXER_CMD_CDEV 1 /* send command from cdev/ioctl */ 66170815Sariff 67170815Sariff#define MIXER_TYPE_PRIMARY 0 /* mixer_init() */ 68170815Sariff#define MIXER_TYPE_SECONDARY 1 /* mixer_create() */ 69170815Sariff 7074763Scg/* 7174763Scg * this is a kludge to allow hiding of the struct snd_mixer definition 7274763Scg * 512 should be enough for all architectures 7374763Scg */ 74170815Sariff#define MIXER_SIZE (512 + sizeof(struct kobj) + \ 75170815Sariff sizeof(oss_mixer_enuminfo)) 7670134Scg 77193640Sariff#ifdef SND_DEBUG 78193640Sariff#define MIXER_DECLARE(mixer) \ 79193640Sariff static struct kobj_class mixer##_class = { \ 80193640Sariff .name = #mixer, \ 81193640Sariff .methods = mixer##_methods, \ 82193640Sariff .size = MIXER_SIZE, \ 83193640Sariff .baseclasses = NULL, \ 84193640Sariff .refs = 0 \ 85193640Sariff } 86193640Sariff#else 87160385Snetchild#define MIXER_DECLARE(name) static DEFINE_CLASS(name, name ## _methods, MIXER_SIZE) 88193640Sariff#endif 89