2 * Jack-detection handling for HD-audio
4 * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
6 * This driver is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
12 #ifndef __SOUND_HDA_JACK_H
13 #define __SOUND_HDA_JACK_H
18 typedef void (*hda_jack_callback) (struct hda_codec *, struct hda_jack_tbl *);
22 unsigned char action; /* event action (0 = none) */
23 unsigned char tag; /* unsol event tag */
24 unsigned int private_data; /* arbitrary data */
25 hda_jack_callback callback;
26 /* jack-detection stuff */
27 unsigned int pin_sense; /* cached pin-sense value */
28 unsigned int jack_detect:1; /* capable of jack-detection? */
29 unsigned int jack_dirty:1; /* needs to update? */
30 unsigned int phantom_jack:1; /* a fixed, always present port? */
31 struct snd_kcontrol *kctl; /* assigned kctl for jack-detection */
32 #ifdef CONFIG_SND_HDA_INPUT_JACK
34 struct snd_jack *jack;
39 snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid);
41 snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag);
44 snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid);
45 void snd_hda_jack_tbl_clear(struct hda_codec *codec);
48 * snd_hda_jack_get_action - get jack-tbl entry for the tag
50 * Call this from the unsol event handler to get the assigned action for the
51 * event. This will mark the dirty flag for the later reporting, too.
53 static inline unsigned char
54 snd_hda_jack_get_action(struct hda_codec *codec, unsigned int tag)
56 struct hda_jack_tbl *jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
64 void snd_hda_jack_set_dirty_all(struct hda_codec *codec);
66 int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
67 unsigned char action);
68 int snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid,
70 hda_jack_callback cb);
73 u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
74 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
76 bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid);
78 int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
79 const char *name, int idx);
80 int snd_hda_jack_add_kctls(struct hda_codec *codec,
81 const struct auto_pin_cfg *cfg);
83 void snd_hda_jack_report_sync(struct hda_codec *codec);
85 void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res);
87 #endif /* __SOUND_HDA_JACK_H */