FreeBSD kernel sound device code
mixer.h
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1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2005-2009 Ariff Abdullah <ariff@FreeBSD.org>
5 * Copyright (c) 1999 Cameron Grant <cg@FreeBSD.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD$
30 */
31
32#ifndef _PCM_MIXER_H_
33#define _PCM_MIXER_H_
34
35struct snd_mixer *mixer_create(device_t dev, kobj_class_t cls, void *devinfo,
36 const char *desc);
37int mixer_delete(struct snd_mixer *m);
38int mixer_init(device_t dev, kobj_class_t cls, void *devinfo);
39int mixer_uninit(device_t dev);
40int mixer_reinit(device_t dev);
41int mixer_ioctl_cmd(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, struct thread *td, int from);
42int mixer_oss_mixerinfo(struct cdev *i_dev, oss_mixerinfo *mi);
43
44int mixer_hwvol_init(device_t dev);
46void mixer_hwvol_mute(device_t dev);
47void mixer_hwvol_step_locked(struct snd_mixer *m, int l_step, int r_step);
48void mixer_hwvol_step(device_t dev, int left_step, int right_step);
49
50int mixer_busy(struct snd_mixer *m);
51
52int mix_get_locked(struct snd_mixer *m, u_int dev, int *pleft, int *pright);
53int mix_set_locked(struct snd_mixer *m, u_int dev, int left, int right);
54int mix_set(struct snd_mixer *m, u_int dev, u_int left, u_int right);
55int mix_get(struct snd_mixer *m, u_int dev);
56int mix_setrecsrc(struct snd_mixer *m, u_int32_t src);
57u_int32_t mix_getrecsrc(struct snd_mixer *m);
58int mix_get_type(struct snd_mixer *m);
59device_t mix_get_dev(struct snd_mixer *m);
60
61void mix_setdevs(struct snd_mixer *m, u_int32_t v);
62void mix_setrecdevs(struct snd_mixer *m, u_int32_t v);
63void mix_setmutedevs(struct snd_mixer *m, u_int32_t v);
64u_int32_t mix_getdevs(struct snd_mixer *m);
65u_int32_t mix_getrecdevs(struct snd_mixer *m);
66u_int32_t mix_getmutedevs(struct snd_mixer *m);
67void mix_setparentchild(struct snd_mixer *m, u_int32_t parent, u_int32_t childs);
68void mix_setrealdev(struct snd_mixer *m, u_int32_t dev, u_int32_t realdev);
69u_int32_t mix_getparent(struct snd_mixer *m, u_int32_t dev);
70u_int32_t mix_getchild(struct snd_mixer *m, u_int32_t dev);
71void *mix_getdevinfo(struct snd_mixer *m);
72struct mtx *mixer_get_lock(struct snd_mixer *m);
73
74extern int mixer_count;
75
76#define MIXER_CMD_DIRECT 0 /* send command within driver */
77#define MIXER_CMD_CDEV 1 /* send command from cdev/ioctl */
78
79#define MIXER_TYPE_PRIMARY 0 /* mixer_init() */
80#define MIXER_TYPE_SECONDARY 1 /* mixer_create() */
81
82/*
83 * this is a kludge to allow hiding of the struct snd_mixer definition
84 * 512 should be enough for all architectures
85 */
86#define MIXER_SIZE (512 + sizeof(struct kobj) + \
87 sizeof(oss_mixer_enuminfo))
88
89#define MIXER_DECLARE(name) static DEFINE_CLASS(name, name ## _methods, MIXER_SIZE)
90
91#endif /* _PCM_MIXER_H_ */
void * devinfo
Definition: ac97_if.m:47
char * desc
Definition: atiixp.c:174
struct pcmchan_matrix * m
Definition: channel_if.m:232
unsigned right
Definition: es137x.c:261
unsigned left
Definition: es137x.c:260
u_int32_t mix_getparent(struct snd_mixer *m, u_int32_t dev)
Definition: mixer.c:611
int mix_set_locked(struct snd_mixer *m, u_int dev, int left, int right)
Definition: mixer.c:1593
int mixer_ioctl_cmd(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, struct thread *td, int from)
Definition: mixer.c:1278
void mixer_hwvol_step_locked(struct snd_mixer *m, int l_step, int r_step)
Definition: mixer.c:956
u_int32_t mix_getmutedevs(struct snd_mixer *m)
Definition: mixer.c:633
void mix_setparentchild(struct snd_mixer *m, u_int32_t parent, u_int32_t childs)
Definition: mixer.c:579
void mix_setrealdev(struct snd_mixer *m, u_int32_t dev, u_int32_t realdev)
Definition: mixer.c:602
device_t mix_get_dev(struct snd_mixer *m)
Definition: mixer.c:1066
int mixer_busy(struct snd_mixer *m)
Definition: mixer.c:994
u_int32_t mix_getrecsrc(struct snd_mixer *m)
Definition: mixer.c:1044
u_int32_t mix_getchild(struct snd_mixer *m, u_int32_t dev)
Definition: mixer.c:619
struct mtx * mixer_get_lock(struct snd_mixer *m)
Definition: mixer.c:1567
int mixer_init(device_t dev, kobj_class_t cls, void *devinfo)
Definition: mixer.c:725
int mixer_delete(struct snd_mixer *m)
Definition: mixer.c:693
u_int32_t mix_getdevs(struct snd_mixer *m)
Definition: mixer.c:627
int mixer_uninit(device_t dev)
Definition: mixer.c:805
void mixer_hwvol_step(device_t dev, int left_step, int right_step)
Definition: mixer.c:981
int mixer_hwvol_init(device_t dev)
Definition: mixer.c:916
void mix_setdevs(struct snd_mixer *m, u_int32_t v)
Definition: mixer.c:489
struct snd_mixer * mixer_create(device_t dev, kobj_class_t cls, void *devinfo, const char *desc)
Definition: mixer.c:712
int mixer_oss_mixerinfo(struct cdev *i_dev, oss_mixerinfo *mi)
Handler for SNDCTL_MIXERINFO.
Definition: mixer.c:1439
int mix_setrecsrc(struct snd_mixer *m, u_int32_t src)
Definition: mixer.c:1030
void mix_setmutedevs(struct snd_mixer *m, u_int32_t v)
Definition: mixer.c:351
int mixer_count
Definition: mixer.c:113
int mixer_reinit(device_t dev)
Definition: mixer.c:860
void mixer_hwvol_mute_locked(struct snd_mixer *m)
Definition: mixer.c:937
u_int32_t mix_getrecdevs(struct snd_mixer *m)
Definition: mixer.c:639
int mix_get_locked(struct snd_mixer *m, u_int dev, int *pleft, int *pright)
Definition: mixer.c:1576
int mix_set(struct snd_mixer *m, u_int dev, u_int left, u_int right)
Definition: mixer.c:1002
void * mix_getdevinfo(struct snd_mixer *m)
Definition: mixer.c:645
void mix_setrecdevs(struct snd_mixer *m, u_int32_t v)
Record mask of available recording devices.
Definition: mixer.c:529
void mixer_hwvol_mute(device_t dev)
Definition: mixer.c:943
int mix_get_type(struct snd_mixer *m)
Definition: mixer.c:1058
int mix_get(struct snd_mixer *m, u_int dev)
Definition: mixer.c:1016
unsigned dev
Definition: mixer_if.m:59
u_int32_t src
Definition: mixer_if.m:66
u_int8_t parent[32]
Definition: mixer.c:64
u_int8_t realdev[32]
Definition: mixer.c:66