1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | #ifndef __SOUND_JACK_H |
3 | #define __SOUND_JACK_H |
4 | |
5 | /* |
6 | * Jack abstraction layer |
7 | * |
8 | * Copyright 2008 Wolfson Microelectronics plc |
9 | */ |
10 | |
11 | #include <sound/core.h> |
12 | |
13 | struct input_dev; |
14 | |
15 | /** |
16 | * enum snd_jack_types - Jack types which can be reported |
17 | * @SND_JACK_HEADPHONE: Headphone |
18 | * @SND_JACK_MICROPHONE: Microphone |
19 | * @SND_JACK_HEADSET: Headset |
20 | * @SND_JACK_LINEOUT: Line out |
21 | * @SND_JACK_MECHANICAL: Mechanical switch |
22 | * @SND_JACK_VIDEOOUT: Video out |
23 | * @SND_JACK_AVOUT: AV (Audio Video) out |
24 | * @SND_JACK_LINEIN: Line in |
25 | * @SND_JACK_BTN_0: Button 0 |
26 | * @SND_JACK_BTN_1: Button 1 |
27 | * @SND_JACK_BTN_2: Button 2 |
28 | * @SND_JACK_BTN_3: Button 3 |
29 | * @SND_JACK_BTN_4: Button 4 |
30 | * @SND_JACK_BTN_5: Button 5 |
31 | * |
32 | * These values are used as a 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 list_head kctl_list; |
61 | struct snd_card *card; |
62 | const char *id; |
63 | #ifdef CONFIG_SND_JACK_INPUT_DEV |
64 | struct input_dev *input_dev; |
65 | struct mutex input_dev_lock; |
66 | int registered; |
67 | int type; |
68 | char name[100]; |
69 | unsigned int key[6]; /* Keep in sync with definitions above */ |
70 | #endif /* CONFIG_SND_JACK_INPUT_DEV */ |
71 | int hw_status_cache; |
72 | void *private_data; |
73 | void (*private_free)(struct snd_jack *); |
74 | }; |
75 | |
76 | #ifdef CONFIG_SND_JACK |
77 | |
78 | int snd_jack_new(struct snd_card *card, const char *id, int type, |
79 | struct snd_jack **jack, bool initial_kctl, bool phantom_jack); |
80 | int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask); |
81 | #ifdef CONFIG_SND_JACK_INPUT_DEV |
82 | void snd_jack_set_parent(struct snd_jack *jack, struct device *parent); |
83 | int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type, |
84 | int keytype); |
85 | #endif |
86 | void snd_jack_report(struct snd_jack *jack, int status); |
87 | |
88 | #else |
89 | static inline int snd_jack_new(struct snd_card *card, const char *id, int type, |
90 | struct snd_jack **jack, bool initial_kctl, bool phantom_jack) |
91 | { |
92 | return 0; |
93 | } |
94 | |
95 | static inline int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask) |
96 | { |
97 | return 0; |
98 | } |
99 | |
100 | static inline void snd_jack_report(struct snd_jack *jack, int status) |
101 | { |
102 | } |
103 | |
104 | #endif |
105 | |
106 | #if !defined(CONFIG_SND_JACK) || !defined(CONFIG_SND_JACK_INPUT_DEV) |
107 | static inline void snd_jack_set_parent(struct snd_jack *jack, |
108 | struct device *parent) |
109 | { |
110 | } |
111 | |
112 | static inline int snd_jack_set_key(struct snd_jack *jack, |
113 | enum snd_jack_types type, |
114 | int keytype) |
115 | { |
116 | return 0; |
117 | } |
118 | #endif /* !CONFIG_SND_JACK || !CONFIG_SND_JACK_INPUT_DEV */ |
119 | |
120 | #endif |
121 | |