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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
28 struct 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 */
37 enum 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 SND_JACK_LINEIN = 0x0020,
46
47 /* Kept separate from switches to facilitate implementation */
48 SND_JACK_BTN_0 = 0x4000,
49 SND_JACK_BTN_1 = 0x2000,
50 SND_JACK_BTN_2 = 0x1000,
51 SND_JACK_BTN_3 = 0x0800,
52 SND_JACK_BTN_4 = 0x0400,
53 SND_JACK_BTN_5 = 0x0200,
54 };
55
56 /* Keep in sync with definitions above */
57 #define SND_JACK_SWITCH_TYPES 6
58
59 struct snd_jack {
60 struct input_dev *input_dev;
61 int registered;
62 int type;
63 const char *id;
64 char name[100];
65 unsigned int key[6]; /* Keep in sync with definitions above */
66 void *private_data;
67 void (*private_free)(struct snd_jack *);
68 };
69
70 #ifdef CONFIG_SND_JACK
71
72 int snd_jack_new(struct snd_card *card, const char *id, int type,
73 struct snd_jack **jack);
74 void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
75 int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
76 int keytype);
77
78 void snd_jack_report(struct snd_jack *jack, int status);
79
80 #else
81
82 static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
83 struct snd_jack **jack)
84 {
85 return 0;
86 }
87
88 static inline void snd_jack_set_parent(struct snd_jack *jack,
89 struct device *parent)
90 {
91 }
92
93 static inline void snd_jack_report(struct snd_jack *jack, int status)
94 {
95 }
96
97 #endif
98
99 #endif