95a962c36f
Put more kerneldoc comments to the exported functions. Still the generic parser code and the HD-audio controller code aren't covered yet, though. Signed-off-by: Takashi Iwai <tiwai@suse.de>
98 lines
3.1 KiB
C
98 lines
3.1 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
|
|
|
|
#include <linux/err.h>
|
|
|
|
struct auto_pin_cfg;
|
|
struct hda_jack_tbl;
|
|
struct hda_jack_callback;
|
|
|
|
typedef void (*hda_jack_callback_fn) (struct hda_codec *, struct hda_jack_callback *);
|
|
|
|
struct hda_jack_callback {
|
|
struct hda_jack_tbl *tbl;
|
|
hda_jack_callback_fn func;
|
|
unsigned int private_data; /* arbitrary data */
|
|
struct hda_jack_callback *next;
|
|
};
|
|
|
|
struct hda_jack_tbl {
|
|
hda_nid_t nid;
|
|
unsigned char tag; /* unsol event tag */
|
|
struct 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? */
|
|
unsigned int block_report:1; /* in a transitional state - do not report to userspace */
|
|
hda_nid_t gating_jack; /* valid when gating jack plugged */
|
|
hda_nid_t gated_jack; /* gated is dependent on this jack */
|
|
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);
|
|
|
|
void snd_hda_jack_tbl_clear(struct hda_codec *codec);
|
|
|
|
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);
|
|
struct hda_jack_callback *
|
|
snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid,
|
|
hda_jack_callback_fn cb);
|
|
|
|
int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid,
|
|
hda_nid_t gating_nid);
|
|
|
|
u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
|
|
|
|
/* the jack state returned from snd_hda_jack_detect_state() */
|
|
enum {
|
|
HDA_JACK_NOT_PRESENT, HDA_JACK_PRESENT, HDA_JACK_PHANTOM,
|
|
};
|
|
|
|
int snd_hda_jack_detect_state(struct hda_codec *codec, hda_nid_t nid);
|
|
|
|
/**
|
|
* snd_hda_jack_detect - Detect the jack
|
|
* @codec: the HDA codec
|
|
* @nid: pin NID to check jack detection
|
|
*/
|
|
static inline bool snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid)
|
|
{
|
|
return snd_hda_jack_detect_state(codec, nid) != HDA_JACK_NOT_PRESENT;
|
|
}
|
|
|
|
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);
|
|
|
|
void snd_hda_jack_poll_all(struct hda_codec *codec);
|
|
|
|
#endif /* __SOUND_HDA_JACK_H */
|