/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2005-2009 Ariff Abdullah <ariff@FreeBSD.org> * Copyright (c) 1999 Cameron Grant <cg@FreeBSD.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _PCM_MIXER_H_ #define _PCM_MIXER_H_ struct snd_mixer *mixer_create(device_t dev, kobj_class_t cls, void *devinfo, const char *desc); int mixer_delete(struct snd_mixer *m); int mixer_init(device_t dev, kobj_class_t cls, void *devinfo); int mixer_uninit(device_t dev); int mixer_reinit(device_t dev); int mixer_ioctl_cmd(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, struct thread *td, int from); int mixer_oss_mixerinfo(struct cdev *i_dev, oss_mixerinfo *mi); int mixer_hwvol_init(device_t dev); void mixer_hwvol_mute_locked(struct snd_mixer *m); void mixer_hwvol_mute(device_t dev); void mixer_hwvol_step_locked(struct snd_mixer *m, int l_step, int r_step); void mixer_hwvol_step(device_t dev, int left_step, int right_step); int mixer_busy(struct snd_mixer *m); int mix_get_locked(struct snd_mixer *m, u_int dev, int *pleft, int *pright); int mix_set_locked(struct snd_mixer *m, u_int dev, int left, int right); int mix_set(struct snd_mixer *m, u_int dev, u_int left, u_int right); int mix_get(struct snd_mixer *m, u_int dev); int mix_setrecsrc(struct snd_mixer *m, u_int32_t src); u_int32_t mix_getrecsrc(struct snd_mixer *m); int mix_get_type(struct snd_mixer *m); device_t mix_get_dev(struct snd_mixer *m); void mix_setdevs(struct snd_mixer *m, u_int32_t v); void mix_setrecdevs(struct snd_mixer *m, u_int32_t v); u_int32_t mix_getdevs(struct snd_mixer *m); u_int32_t mix_getrecdevs(struct snd_mixer *m); void mix_setparentchild(struct snd_mixer *m, u_int32_t parent, u_int32_t childs); void mix_setrealdev(struct snd_mixer *m, u_int32_t dev, u_int32_t realdev); u_int32_t mix_getparent(struct snd_mixer *m, u_int32_t dev); u_int32_t mix_getchild(struct snd_mixer *m, u_int32_t dev); void *mix_getdevinfo(struct snd_mixer *m); struct mtx *mixer_get_lock(struct snd_mixer *m); extern int mixer_count; #define MIXER_CMD_DIRECT 0 /* send command within driver */ #define MIXER_CMD_CDEV 1 /* send command from cdev/ioctl */ #define MIXER_TYPE_PRIMARY 0 /* mixer_init() */ #define MIXER_TYPE_SECONDARY 1 /* mixer_create() */ /* * this is a kludge to allow hiding of the struct snd_mixer definition * 512 should be enough for all architectures */ #define MIXER_SIZE (512 + sizeof(struct kobj) + \ sizeof(oss_mixer_enuminfo)) #define MIXER_DECLARE(name) static DEFINE_CLASS(name, name ## _methods, MIXER_SIZE) #endif /* _PCM_MIXER_H_ */ |