121 lines · c
1/* SPDX-License-Identifier: GPL-2.0-or-later */2#ifndef __SOUND_JACK_H3#define __SOUND_JACK_H4 5/*6 * Jack abstraction layer7 *8 * Copyright 2008 Wolfson Microelectronics plc9 */10 11#include <sound/core.h>12 13struct input_dev;14 15/**16 * enum snd_jack_types - Jack types which can be reported17 * @SND_JACK_HEADPHONE: Headphone18 * @SND_JACK_MICROPHONE: Microphone19 * @SND_JACK_HEADSET: Headset20 * @SND_JACK_LINEOUT: Line out21 * @SND_JACK_MECHANICAL: Mechanical switch22 * @SND_JACK_VIDEOOUT: Video out23 * @SND_JACK_AVOUT: AV (Audio Video) out24 * @SND_JACK_LINEIN: Line in25 * @SND_JACK_BTN_0: Button 026 * @SND_JACK_BTN_1: Button 127 * @SND_JACK_BTN_2: Button 228 * @SND_JACK_BTN_3: Button 329 * @SND_JACK_BTN_4: Button 430 * @SND_JACK_BTN_5: Button 531 *32 * These values are used as a bitmask.33 *34 * Note that this must be kept in sync with the lookup table in35 * sound/core/jack.c.36 */37enum 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 658 59struct snd_jack {60 struct list_head kctl_list;61 struct snd_card *card;62 const char *id;63#ifdef CONFIG_SND_JACK_INPUT_DEV64 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_JACK77 78int snd_jack_new(struct snd_card *card, const char *id, int type,79 struct snd_jack **jack, bool initial_kctl, bool phantom_jack);80int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask);81#ifdef CONFIG_SND_JACK_INPUT_DEV82void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);83int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,84 int keytype);85#endif86void snd_jack_report(struct snd_jack *jack, int status);87 88#else89static 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 95static inline int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask)96{97 return 0;98}99 100static inline void snd_jack_report(struct snd_jack *jack, int status)101{102}103 104#endif105 106#if !defined(CONFIG_SND_JACK) || !defined(CONFIG_SND_JACK_INPUT_DEV)107static inline void snd_jack_set_parent(struct snd_jack *jack,108 struct device *parent)109{110}111 112static 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#endif121