121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/* 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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struct mutex input_dev_lock;
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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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