mixer.h revision 170815
1139749Simp/*- 2119853Scg * Copyright (c) 1999 Cameron Grant <cg@freebsd.org> 350724Scg * All rights reserved. 450724Scg * 550724Scg * Redistribution and use in source and binary forms, with or without 650724Scg * modification, are permitted provided that the following conditions 750724Scg * are met: 850724Scg * 1. Redistributions of source code must retain the above copyright 950724Scg * notice, this list of conditions and the following disclaimer. 1050724Scg * 2. Redistributions in binary form must reproduce the above copyright 1150724Scg * notice, this list of conditions and the following disclaimer in the 1250724Scg * documentation and/or other materials provided with the distribution. 1350724Scg * 1450724Scg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1550724Scg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1650724Scg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1750724Scg * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1850724Scg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1950724Scg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2050724Scg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2150724Scg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2250724Scg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2350724Scg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2450724Scg * SUCH DAMAGE. 2550724Scg * 2650733Speter * $FreeBSD: head/sys/dev/sound/pcm/mixer.h 170815 2007-06-16 03:37:28Z ariff $ 2750724Scg */ 2850724Scg 29170815Sariffstruct snd_mixer *mixer_create(device_t dev, kobj_class_t cls, void *devinfo, 30170815Sariff const char *desc); 31170815Sariffint mixer_delete(struct snd_mixer *m); 3274763Scgint mixer_init(device_t dev, kobj_class_t cls, void *devinfo); 3374763Scgint mixer_uninit(device_t dev); 3474763Scgint mixer_reinit(device_t dev); 35170815Sariffint mixer_ioctl_cmd(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, struct thread *td, int from); 36162588Snetchildint mixer_oss_mixerinfo(struct cdev *i_dev, oss_mixerinfo *mi); 3750724Scg 3870944Sjhbint mixer_hwvol_init(device_t dev); 3970944Sjhbvoid mixer_hwvol_mute(device_t dev); 4070944Sjhbvoid mixer_hwvol_step(device_t dev, int left_step, int right_step); 4170618Sjhb 42170815Sariffint mixer_busy(struct snd_mixer *m); 43170815Sariff 44170815Sariffint mix_set(struct snd_mixer *m, u_int dev, u_int left, u_int right); 45170815Sariffint mix_get(struct snd_mixer *m, u_int dev); 46170815Sariffint mix_setrecsrc(struct snd_mixer *m, u_int32_t src); 47170815Sariffu_int32_t mix_getrecsrc(struct snd_mixer *m); 48170815Sariffint mix_get_type(struct snd_mixer *m); 49170815Sariff 5074763Scgvoid mix_setdevs(struct snd_mixer *m, u_int32_t v); 5174763Scgvoid mix_setrecdevs(struct snd_mixer *m, u_int32_t v); 5274763Scgu_int32_t mix_getdevs(struct snd_mixer *m); 5374763Scgu_int32_t mix_getrecdevs(struct snd_mixer *m); 54162738Sariffvoid mix_setparentchild(struct snd_mixer *m, u_int32_t parent, u_int32_t childs); 55162738Sariffvoid mix_setrealdev(struct snd_mixer *m, u_int32_t dev, u_int32_t realdev); 56162738Sariffu_int32_t mix_getparent(struct snd_mixer *m, u_int32_t dev); 57162738Sariffu_int32_t mix_getchild(struct snd_mixer *m, u_int32_t dev); 5874763Scgvoid *mix_getdevinfo(struct snd_mixer *m); 5950724Scg 60162588Snetchildextern int mixer_count; 61162588Snetchild 62170815Sariff#define MIXER_CMD_DIRECT 0 /* send command within driver */ 63170815Sariff#define MIXER_CMD_CDEV 1 /* send command from cdev/ioctl */ 64170815Sariff 65170815Sariff#define MIXER_TYPE_PRIMARY 0 /* mixer_init() */ 66170815Sariff#define MIXER_TYPE_SECONDARY 1 /* mixer_create() */ 67170815Sariff 6874763Scg/* 6974763Scg * this is a kludge to allow hiding of the struct snd_mixer definition 7074763Scg * 512 should be enough for all architectures 7174763Scg */ 72170815Sariff#define MIXER_SIZE (512 + sizeof(struct kobj) + \ 73170815Sariff sizeof(oss_mixer_enuminfo)) 7470134Scg 75160385Snetchild#define MIXER_DECLARE(name) static DEFINE_CLASS(name, name ## _methods, MIXER_SIZE) 76