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119 lines
3.1 KiB
119 lines
3.1 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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#ifndef __SOUND_JACK_H |
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#define __SOUND_JACK_H |
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/* |
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* Jack abstraction layer |
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* |
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* Copyright 2008 Wolfson Microelectronics plc |
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*/ |
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#include <sound/core.h> |
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struct input_dev; |
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/** |
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* enum snd_jack_types - Jack types which can be reported |
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* @SND_JACK_HEADPHONE: Headphone |
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* @SND_JACK_MICROPHONE: Microphone |
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* @SND_JACK_HEADSET: Headset |
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* @SND_JACK_LINEOUT: Line out |
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* @SND_JACK_MECHANICAL: Mechanical switch |
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* @SND_JACK_VIDEOOUT: Video out |
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* @SND_JACK_AVOUT: AV (Audio Video) out |
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* @SND_JACK_LINEIN: Line in |
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* @SND_JACK_BTN_0: Button 0 |
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* @SND_JACK_BTN_1: Button 1 |
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* @SND_JACK_BTN_2: Button 2 |
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* @SND_JACK_BTN_3: Button 3 |
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* @SND_JACK_BTN_4: Button 4 |
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* @SND_JACK_BTN_5: Button 5 |
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* |
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* These values are used as a bitmask. |
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* |
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* Note that this must be kept in sync with the lookup table in |
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* sound/core/jack.c. |
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*/ |
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enum snd_jack_types { |
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SND_JACK_HEADPHONE = 0x0001, |
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SND_JACK_MICROPHONE = 0x0002, |
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SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE, |
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SND_JACK_LINEOUT = 0x0004, |
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SND_JACK_MECHANICAL = 0x0008, /* If detected separately */ |
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SND_JACK_VIDEOOUT = 0x0010, |
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SND_JACK_AVOUT = SND_JACK_LINEOUT | SND_JACK_VIDEOOUT, |
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SND_JACK_LINEIN = 0x0020, |
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/* Kept separate from switches to facilitate implementation */ |
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SND_JACK_BTN_0 = 0x4000, |
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SND_JACK_BTN_1 = 0x2000, |
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SND_JACK_BTN_2 = 0x1000, |
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SND_JACK_BTN_3 = 0x0800, |
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SND_JACK_BTN_4 = 0x0400, |
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SND_JACK_BTN_5 = 0x0200, |
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}; |
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/* Keep in sync with definitions above */ |
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#define SND_JACK_SWITCH_TYPES 6 |
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struct snd_jack { |
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struct list_head kctl_list; |
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struct snd_card *card; |
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const char *id; |
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#ifdef CONFIG_SND_JACK_INPUT_DEV |
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struct input_dev *input_dev; |
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int registered; |
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int type; |
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char name[100]; |
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unsigned int key[6]; /* Keep in sync with definitions above */ |
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#endif /* CONFIG_SND_JACK_INPUT_DEV */ |
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int hw_status_cache; |
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void *private_data; |
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void (*private_free)(struct snd_jack *); |
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}; |
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#ifdef CONFIG_SND_JACK |
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int snd_jack_new(struct snd_card *card, const char *id, int type, |
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struct snd_jack **jack, bool initial_kctl, bool phantom_jack); |
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int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask); |
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#ifdef CONFIG_SND_JACK_INPUT_DEV |
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void snd_jack_set_parent(struct snd_jack *jack, struct device *parent); |
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int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type, |
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int keytype); |
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#endif |
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void snd_jack_report(struct snd_jack *jack, int status); |
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#else |
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static inline int snd_jack_new(struct snd_card *card, const char *id, int type, |
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struct snd_jack **jack, bool initial_kctl, bool phantom_jack) |
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{ |
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return 0; |
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} |
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static inline int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask) |
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{ |
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return 0; |
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} |
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static inline void snd_jack_report(struct snd_jack *jack, int status) |
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{ |
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} |
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#endif |
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#if !defined(CONFIG_SND_JACK) || !defined(CONFIG_SND_JACK_INPUT_DEV) |
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static inline void snd_jack_set_parent(struct snd_jack *jack, |
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struct device *parent) |
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{ |
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} |
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static inline int snd_jack_set_key(struct snd_jack *jack, |
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enum snd_jack_types type, |
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int keytype) |
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{ |
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return 0; |
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} |
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#endif /* !CONFIG_SND_JACK || !CONFIG_SND_JACK_INPUT_DEV */ |
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#endif
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