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 * enum snd_jack_types - Jack types which can be reported
32 * @SND_JACK_HEADPHONE: Headphone
33 * @SND_JACK_MICROPHONE: Microphone
34 * @SND_JACK_HEADSET: Headset
35 * @SND_JACK_LINEOUT: Line out
36 * @SND_JACK_MECHANICAL: Mechanical switch
37 * @SND_JACK_VIDEOOUT: Video out
38 * @SND_JACK_AVOUT: AV (Audio Video) out
39 * @SND_JACK_LINEIN:  Line in
40 * @SND_JACK_BTN_0: Button 0
41 * @SND_JACK_BTN_1: Button 1
42 * @SND_JACK_BTN_2: Button 2
43 * @SND_JACK_BTN_3: Button 3
44 * @SND_JACK_BTN_4: Button 4
45 * @SND_JACK_BTN_5: Button 5
46 *
47 * These values are used as a bitmask.
48 *
49 * Note that this must be kept in sync with the lookup table in
50 * sound/core/jack.c.
51 */
52enum snd_jack_types {
53	SND_JACK_HEADPHONE	= 0x0001,
54	SND_JACK_MICROPHONE	= 0x0002,
55	SND_JACK_HEADSET	= SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
56	SND_JACK_LINEOUT	= 0x0004,
57	SND_JACK_MECHANICAL	= 0x0008, /* If detected separately */
58	SND_JACK_VIDEOOUT	= 0x0010,
59	SND_JACK_AVOUT		= SND_JACK_LINEOUT | SND_JACK_VIDEOOUT,
60	SND_JACK_LINEIN		= 0x0020,
61
62	/* Kept separate from switches to facilitate implementation */
63	SND_JACK_BTN_0		= 0x4000,
64	SND_JACK_BTN_1		= 0x2000,
65	SND_JACK_BTN_2		= 0x1000,
66	SND_JACK_BTN_3		= 0x0800,
67	SND_JACK_BTN_4		= 0x0400,
68	SND_JACK_BTN_5		= 0x0200,
69};
70
71/* Keep in sync with definitions above */
72#define SND_JACK_SWITCH_TYPES 6
73
74struct snd_jack {
75	struct input_dev *input_dev;
76	int registered;
77	int type;
78	const char *id;
79	char name[100];
80	unsigned int key[6];   /* Keep in sync with definitions above */
81	void *private_data;
82	void (*private_free)(struct snd_jack *);
83};
84
85#ifdef CONFIG_SND_JACK
86
87int snd_jack_new(struct snd_card *card, const char *id, int type,
88		 struct snd_jack **jack);
89void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
90int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
91		     int keytype);
92
93void snd_jack_report(struct snd_jack *jack, int status);
94
95#else
96
97static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
98			       struct snd_jack **jack)
99{
100	return 0;
101}
102
103static inline void snd_jack_set_parent(struct snd_jack *jack,
104				       struct device *parent)
105{
106}
107
108static inline int snd_jack_set_key(struct snd_jack *jack,
109				   enum snd_jack_types type,
110				   int keytype)
111{
112	return 0;
113}
114
115static inline void snd_jack_report(struct snd_jack *jack, int status)
116{
117}
118
119#endif
120
121#endif
122