Current File : //usr/src/kernels/3.10.0-957.21.3.el7.centos.plus.x86_64/include/sound/jack.h
#ifndef __SOUND_JACK_H
#define __SOUND_JACK_H
/*
* Jack abstraction layer
*
* Copyright 2008 Wolfson Microelectronics plc
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <sound/core.h>
struct input_dev;
/**
* enum snd_jack_types - Jack types which can be reported
* @SND_JACK_HEADPHONE: Headphone
* @SND_JACK_MICROPHONE: Microphone
* @SND_JACK_HEADSET: Headset
* @SND_JACK_LINEOUT: Line out
* @SND_JACK_MECHANICAL: Mechanical switch
* @SND_JACK_VIDEOOUT: Video out
* @SND_JACK_AVOUT: AV (Audio Video) out
* @SND_JACK_LINEIN: Line in
* @SND_JACK_BTN_0: Button 0
* @SND_JACK_BTN_1: Button 1
* @SND_JACK_BTN_2: Button 2
* @SND_JACK_BTN_3: Button 3
* @SND_JACK_BTN_4: Button 4
* @SND_JACK_BTN_5: Button 5
*
* These values are used as a bitmask.
*
* Note that this must be kept in sync with the lookup table in
* sound/core/jack.c.
*/
enum snd_jack_types {
SND_JACK_HEADPHONE = 0x0001,
SND_JACK_MICROPHONE = 0x0002,
SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
SND_JACK_LINEOUT = 0x0004,
SND_JACK_MECHANICAL = 0x0008, /* If detected separately */
SND_JACK_VIDEOOUT = 0x0010,
SND_JACK_AVOUT = SND_JACK_LINEOUT | SND_JACK_VIDEOOUT,
SND_JACK_LINEIN = 0x0020,
/* Kept separate from switches to facilitate implementation */
SND_JACK_BTN_0 = 0x4000,
SND_JACK_BTN_1 = 0x2000,
SND_JACK_BTN_2 = 0x1000,
SND_JACK_BTN_3 = 0x0800,
SND_JACK_BTN_4 = 0x0400,
SND_JACK_BTN_5 = 0x0200,
};
/* Keep in sync with definitions above */
#define SND_JACK_SWITCH_TYPES 6
struct snd_jack {
struct list_head kctl_list;
struct snd_card *card;
const char *id;
#ifdef CONFIG_SND_JACK_INPUT_DEV
struct input_dev *input_dev;
int registered;
int type;
char name[100];
unsigned int key[6]; /* Keep in sync with definitions above */
#endif /* CONFIG_SND_JACK_INPUT_DEV */
void *private_data;
void (*private_free)(struct snd_jack *);
};
#ifdef CONFIG_SND_JACK
int snd_jack_new(struct snd_card *card, const char *id, int type,
struct snd_jack **jack, bool initial_kctl, bool phantom_jack);
int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask);
#ifdef CONFIG_SND_JACK_INPUT_DEV
void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
int keytype);
#endif
void snd_jack_report(struct snd_jack *jack, int status);
#else
static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
struct snd_jack **jack, bool initial_kctl, bool phantom_jack)
{
return 0;
}
static inline int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask)
{
return 0;
}
static inline void snd_jack_report(struct snd_jack *jack, int status)
{
}
#endif
#if !defined(CONFIG_SND_JACK) || !defined(CONFIG_SND_JACK_INPUT_DEV)
static inline void snd_jack_set_parent(struct snd_jack *jack,
struct device *parent)
{
}
static inline int snd_jack_set_key(struct snd_jack *jack,
enum snd_jack_types type,
int keytype)
{
return 0;
}
#endif /* !CONFIG_SND_JACK || !CONFIG_SND_JACK_INPUT_DEV */
#endif
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