mixer.h revision 246421
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 246421 2013-02-06 17:43:05Z hselasky $ 2850724Scg */ 2950724Scg 30242435Shselasky#ifndef _PCM_MIXER_H_ 31242435Shselasky#define _PCM_MIXER_H_ 32242435Shselasky 33170815Sariffstruct snd_mixer *mixer_create(device_t dev, kobj_class_t cls, void *devinfo, 34170815Sariff const char *desc); 35170815Sariffint mixer_delete(struct snd_mixer *m); 3674763Scgint mixer_init(device_t dev, kobj_class_t cls, void *devinfo); 3774763Scgint mixer_uninit(device_t dev); 3874763Scgint mixer_reinit(device_t dev); 39170815Sariffint mixer_ioctl_cmd(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, struct thread *td, int from); 40162588Snetchildint mixer_oss_mixerinfo(struct cdev *i_dev, oss_mixerinfo *mi); 4150724Scg 4270944Sjhbint mixer_hwvol_init(device_t dev); 4370944Sjhbvoid mixer_hwvol_mute(device_t dev); 4470944Sjhbvoid mixer_hwvol_step(device_t dev, int left_step, int right_step); 4570618Sjhb 46170815Sariffint mixer_busy(struct snd_mixer *m); 47170815Sariff 48246421Shselaskyint mix_get_locked(struct snd_mixer *m, u_int dev, int *pleft, int *pright); 49246421Shselaskyint mix_set_locked(struct snd_mixer *m, u_int dev, int left, int right); 50170815Sariffint mix_set(struct snd_mixer *m, u_int dev, u_int left, u_int right); 51170815Sariffint mix_get(struct snd_mixer *m, u_int dev); 52170815Sariffint mix_setrecsrc(struct snd_mixer *m, u_int32_t src); 53170815Sariffu_int32_t mix_getrecsrc(struct snd_mixer *m); 54170815Sariffint mix_get_type(struct snd_mixer *m); 55170815Sariff 5674763Scgvoid mix_setdevs(struct snd_mixer *m, u_int32_t v); 5774763Scgvoid mix_setrecdevs(struct snd_mixer *m, u_int32_t v); 5874763Scgu_int32_t mix_getdevs(struct snd_mixer *m); 5974763Scgu_int32_t mix_getrecdevs(struct snd_mixer *m); 60162738Sariffvoid mix_setparentchild(struct snd_mixer *m, u_int32_t parent, u_int32_t childs); 61162738Sariffvoid mix_setrealdev(struct snd_mixer *m, u_int32_t dev, u_int32_t realdev); 62162738Sariffu_int32_t mix_getparent(struct snd_mixer *m, u_int32_t dev); 63162738Sariffu_int32_t mix_getchild(struct snd_mixer *m, u_int32_t dev); 6474763Scgvoid *mix_getdevinfo(struct snd_mixer *m); 65184610Salfredstruct mtx *mixer_get_lock(struct snd_mixer *m); 6650724Scg 67162588Snetchildextern int mixer_count; 68162588Snetchild 69170815Sariff#define MIXER_CMD_DIRECT 0 /* send command within driver */ 70170815Sariff#define MIXER_CMD_CDEV 1 /* send command from cdev/ioctl */ 71170815Sariff 72170815Sariff#define MIXER_TYPE_PRIMARY 0 /* mixer_init() */ 73170815Sariff#define MIXER_TYPE_SECONDARY 1 /* mixer_create() */ 74170815Sariff 7574763Scg/* 7674763Scg * this is a kludge to allow hiding of the struct snd_mixer definition 7774763Scg * 512 should be enough for all architectures 7874763Scg */ 79170815Sariff#define MIXER_SIZE (512 + sizeof(struct kobj) + \ 80170815Sariff sizeof(oss_mixer_enuminfo)) 8170134Scg 82160385Snetchild#define MIXER_DECLARE(name) static DEFINE_CLASS(name, name ## _methods, MIXER_SIZE) 83242435Shselasky 84242435Shselasky#endif /* _PCM_MIXER_H_ */ 85