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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 |
100 |
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Tags:
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v2.6.34-rc5
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