mirror of https://gitee.com/openkylin/linux.git
88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/*
|
|
* Jack-detection handling for HD-audio
|
|
*
|
|
* Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
|
|
*
|
|
* This driver 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.
|
|
*/
|
|
|
|
#ifndef __SOUND_HDA_JACK_H
|
|
#define __SOUND_HDA_JACK_H
|
|
|
|
struct auto_pin_cfg;
|
|
struct hda_jack_tbl;
|
|
|
|
typedef void (*hda_jack_callback) (struct hda_codec *, struct hda_jack_tbl *);
|
|
|
|
struct hda_jack_tbl {
|
|
hda_nid_t nid;
|
|
unsigned char action; /* event action (0 = none) */
|
|
unsigned char tag; /* unsol event tag */
|
|
unsigned int private_data; /* arbitrary data */
|
|
hda_jack_callback callback;
|
|
/* jack-detection stuff */
|
|
unsigned int pin_sense; /* cached pin-sense value */
|
|
unsigned int jack_detect:1; /* capable of jack-detection? */
|
|
unsigned int jack_dirty:1; /* needs to update? */
|
|
unsigned int phantom_jack:1; /* a fixed, always present port? */
|
|
struct snd_kcontrol *kctl; /* assigned kctl for jack-detection */
|
|
#ifdef CONFIG_SND_HDA_INPUT_JACK
|
|
int type;
|
|
struct snd_jack *jack;
|
|
#endif
|
|
};
|
|
|
|
struct hda_jack_tbl *
|
|
snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid);
|
|
struct hda_jack_tbl *
|
|
snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag);
|
|
|
|
struct hda_jack_tbl *
|
|
snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid);
|
|
void snd_hda_jack_tbl_clear(struct hda_codec *codec);
|
|
|
|
/**
|
|
* snd_hda_jack_get_action - get jack-tbl entry for the tag
|
|
*
|
|
* Call this from the unsol event handler to get the assigned action for the
|
|
* event. This will mark the dirty flag for the later reporting, too.
|
|
*/
|
|
static inline unsigned char
|
|
snd_hda_jack_get_action(struct hda_codec *codec, unsigned int tag)
|
|
{
|
|
struct hda_jack_tbl *jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
|
|
if (jack) {
|
|
jack->jack_dirty = 1;
|
|
return jack->action;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void snd_hda_jack_set_dirty_all(struct hda_codec *codec);
|
|
|
|
int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
|
|
unsigned char action);
|
|
int snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid,
|
|
unsigned char action,
|
|
hda_jack_callback cb);
|
|
|
|
|
|
u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
|
|
int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
|
|
|
|
bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid);
|
|
|
|
int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
|
|
const char *name, int idx);
|
|
int snd_hda_jack_add_kctls(struct hda_codec *codec,
|
|
const struct auto_pin_cfg *cfg);
|
|
|
|
void snd_hda_jack_report_sync(struct hda_codec *codec);
|
|
|
|
void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res);
|
|
|
|
#endif /* __SOUND_HDA_JACK_H */
|