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tjh.dev
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1#ifndef __SOUND_JACK_H
2#define __SOUND_JACK_H
3
4/*
5 * Jack abstraction layer
6 *
7 * Copyright 2008 Wolfson Microelectronics plc
8 *
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25
26#include <sound/core.h>
27
28struct input_dev;
29
30/**
31 * Jack types which can be reported. These values are used as a
32 * bitmask.
33 *
34 * Note that this must be kept in sync with the lookup table in
35 * sound/core/jack.c.
36 */
37enum snd_jack_types {
38 SND_JACK_HEADPHONE = 0x0001,
39 SND_JACK_MICROPHONE = 0x0002,
40 SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
41 SND_JACK_LINEOUT = 0x0004,
42 SND_JACK_MECHANICAL = 0x0008, /* If detected separately */
43 SND_JACK_VIDEOOUT = 0x0010,
44 SND_JACK_AVOUT = SND_JACK_LINEOUT | SND_JACK_VIDEOOUT,
45
46 /* Kept separate from switches to facilitate implementation */
47 SND_JACK_BTN_0 = 0x4000,
48 SND_JACK_BTN_1 = 0x2000,
49 SND_JACK_BTN_2 = 0x1000,
50 SND_JACK_BTN_3 = 0x0800,
51 SND_JACK_BTN_4 = 0x0400,
52 SND_JACK_BTN_5 = 0x0200,
53};
54
55struct snd_jack {
56 struct input_dev *input_dev;
57 int registered;
58 int type;
59 const char *id;
60 char name[100];
61 unsigned int key[6]; /* Keep in sync with definitions above */
62 void *private_data;
63 void (*private_free)(struct snd_jack *);
64};
65
66#ifdef CONFIG_SND_JACK
67
68int snd_jack_new(struct snd_card *card, const char *id, int type,
69 struct snd_jack **jack);
70void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
71int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
72 int keytype);
73
74void snd_jack_report(struct snd_jack *jack, int status);
75
76#else
77
78static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
79 struct snd_jack **jack)
80{
81 return 0;
82}
83
84static inline void snd_jack_set_parent(struct snd_jack *jack,
85 struct device *parent)
86{
87}
88
89static inline void snd_jack_report(struct snd_jack *jack, int status)
90{
91}
92
93#endif
94
95#endif