xref: /linux/include/sound/jack.h (revision ebb812cb8df48e299b3d4ab75cbb0042384ef70d)
1e76d8ceaSMark Brown #ifndef __SOUND_JACK_H
2e76d8ceaSMark Brown #define __SOUND_JACK_H
3e76d8ceaSMark Brown 
4e76d8ceaSMark Brown /*
5e76d8ceaSMark Brown  *  Jack abstraction layer
6e76d8ceaSMark Brown  *
7e76d8ceaSMark Brown  *  Copyright 2008 Wolfson Microelectronics plc
8e76d8ceaSMark Brown  *
9e76d8ceaSMark Brown  *
10e76d8ceaSMark Brown  *   This program is free software; you can redistribute it and/or modify
11e76d8ceaSMark Brown  *   it under the terms of the GNU General Public License as published by
12e76d8ceaSMark Brown  *   the Free Software Foundation; either version 2 of the License, or
13e76d8ceaSMark Brown  *   (at your option) any later version.
14e76d8ceaSMark Brown  *
15e76d8ceaSMark Brown  *   This program is distributed in the hope that it will be useful,
16e76d8ceaSMark Brown  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
17e76d8ceaSMark Brown  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18e76d8ceaSMark Brown  *   GNU General Public License for more details.
19e76d8ceaSMark Brown  *
20e76d8ceaSMark Brown  *   You should have received a copy of the GNU General Public License
21e76d8ceaSMark Brown  *   along with this program; if not, write to the Free Software
22e76d8ceaSMark Brown  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23e76d8ceaSMark Brown  *
24e76d8ceaSMark Brown  */
25e76d8ceaSMark Brown 
26e76d8ceaSMark Brown #include <sound/core.h>
27e76d8ceaSMark Brown 
28e76d8ceaSMark Brown struct input_dev;
29e76d8ceaSMark Brown 
30e76d8ceaSMark Brown /**
31e76d8ceaSMark Brown  * Jack types which can be reported.  These values are used as a
32e76d8ceaSMark Brown  * bitmask.
33bd8a71a7SMark Brown  *
34bd8a71a7SMark Brown  * Note that this must be kept in sync with the lookup table in
35bd8a71a7SMark Brown  * sound/core/jack.c.
36e76d8ceaSMark Brown  */
37e76d8ceaSMark Brown enum snd_jack_types {
38e76d8ceaSMark Brown 	SND_JACK_HEADPHONE	= 0x0001,
39e76d8ceaSMark Brown 	SND_JACK_MICROPHONE	= 0x0002,
40e76d8ceaSMark Brown 	SND_JACK_HEADSET	= SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
41a53ccab3SMatthew Ranostay 	SND_JACK_LINEOUT	= 0x0004,
42cdc69364SMark Brown 	SND_JACK_MECHANICAL	= 0x0008, /* If detected separately */
43d506fc32SJani Nikula 	SND_JACK_VIDEOOUT	= 0x0010,
44d506fc32SJani Nikula 	SND_JACK_AVOUT		= SND_JACK_LINEOUT | SND_JACK_VIDEOOUT,
45*ebb812cbSMark Brown 
46*ebb812cbSMark Brown 	/* Kept separate from switches to facilitate implementation */
47*ebb812cbSMark Brown 	SND_JACK_BTN_0		= 0x4000,
48*ebb812cbSMark Brown 	SND_JACK_BTN_1		= 0x2000,
49*ebb812cbSMark Brown 	SND_JACK_BTN_2		= 0x1000,
50e76d8ceaSMark Brown };
51e76d8ceaSMark Brown 
52e76d8ceaSMark Brown struct snd_jack {
53e76d8ceaSMark Brown 	struct input_dev *input_dev;
54e76d8ceaSMark Brown 	int registered;
55e76d8ceaSMark Brown 	int type;
56e76d8ceaSMark Brown 	const char *id;
57e76d8ceaSMark Brown 	char name[100];
58*ebb812cbSMark Brown 	unsigned int key[3];   /* Keep in sync with definitions above */
599d59065cSTakashi Iwai 	void *private_data;
609d59065cSTakashi Iwai 	void (*private_free)(struct snd_jack *);
61e76d8ceaSMark Brown };
62e76d8ceaSMark Brown 
63e76d8ceaSMark Brown #ifdef CONFIG_SND_JACK
64e76d8ceaSMark Brown 
65e76d8ceaSMark Brown int snd_jack_new(struct snd_card *card, const char *id, int type,
66e76d8ceaSMark Brown 		 struct snd_jack **jack);
67e76d8ceaSMark Brown void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
68*ebb812cbSMark Brown int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
69*ebb812cbSMark Brown 		     int keytype);
70e76d8ceaSMark Brown 
71e76d8ceaSMark Brown void snd_jack_report(struct snd_jack *jack, int status);
72e76d8ceaSMark Brown 
73e76d8ceaSMark Brown #else
74e76d8ceaSMark Brown 
75e76d8ceaSMark Brown static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
76e76d8ceaSMark Brown 			       struct snd_jack **jack)
77e76d8ceaSMark Brown {
78e76d8ceaSMark Brown 	return 0;
79e76d8ceaSMark Brown }
80e76d8ceaSMark Brown 
81e76d8ceaSMark Brown static inline void snd_jack_set_parent(struct snd_jack *jack,
82e76d8ceaSMark Brown 				       struct device *parent)
83e76d8ceaSMark Brown {
84e76d8ceaSMark Brown }
85e76d8ceaSMark Brown 
86e76d8ceaSMark Brown static inline void snd_jack_report(struct snd_jack *jack, int status)
87e76d8ceaSMark Brown {
88e76d8ceaSMark Brown }
89e76d8ceaSMark Brown 
90e76d8ceaSMark Brown #endif
91e76d8ceaSMark Brown 
92e76d8ceaSMark Brown #endif
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