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