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Takashi Iwai1835a0f2011-10-27 22:12:46 +02001/*
2 * Jack-detection handling for HD-audio
3 *
4 * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
5 *
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.
10 */
11
12#ifndef __SOUND_HDA_JACK_H
13#define __SOUND_HDA_JACK_H
14
15struct hda_jack_tbl {
16 hda_nid_t nid;
Takashi Iwai3a938972011-10-28 01:16:55 +020017 unsigned char action; /* event action (0 = none) */
18 unsigned char tag; /* unsol event tag */
19 unsigned int private_data; /* arbitrary data */
20 /* jack-detection stuff */
Takashi Iwai1835a0f2011-10-27 22:12:46 +020021 unsigned int pin_sense; /* cached pin-sense value */
Takashi Iwai3a938972011-10-28 01:16:55 +020022 unsigned int jack_detect:1; /* capable of jack-detection? */
Takashi Iwai1835a0f2011-10-27 22:12:46 +020023 unsigned int jack_dirty:1; /* needs to update? */
Takashi Iwai01a61e12011-10-28 00:03:22 +020024 struct snd_kcontrol *kctl; /* assigned kctl for jack-detection */
Takashi Iwaiaad37db2011-11-02 08:54:51 +010025#ifdef CONFIG_SND_HDA_INPUT_JACK
26 int type;
27 struct snd_jack *jack;
28#endif
Takashi Iwai1835a0f2011-10-27 22:12:46 +020029};
30
31struct hda_jack_tbl *
32snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid);
Takashi Iwai3a938972011-10-28 01:16:55 +020033struct hda_jack_tbl *
34snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag);
Takashi Iwai1835a0f2011-10-27 22:12:46 +020035
36struct hda_jack_tbl *
37snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid);
38void snd_hda_jack_tbl_clear(struct hda_codec *codec);
39
40/**
Takashi Iwai3a938972011-10-28 01:16:55 +020041 * snd_hda_jack_get_action - get jack-tbl entry for the tag
Takashi Iwai1835a0f2011-10-27 22:12:46 +020042 *
Takashi Iwai3a938972011-10-28 01:16:55 +020043 * Call this from the unsol event handler to get the assigned action for the
44 * event. This will mark the dirty flag for the later reporting, too.
Takashi Iwai1835a0f2011-10-27 22:12:46 +020045 */
Takashi Iwai3a938972011-10-28 01:16:55 +020046static inline unsigned char
47snd_hda_jack_get_action(struct hda_codec *codec, unsigned int tag)
Takashi Iwai1835a0f2011-10-27 22:12:46 +020048{
Takashi Iwai3a938972011-10-28 01:16:55 +020049 struct hda_jack_tbl *jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
50 if (jack) {
Takashi Iwai1835a0f2011-10-27 22:12:46 +020051 jack->jack_dirty = 1;
Takashi Iwai3a938972011-10-28 01:16:55 +020052 return jack->action;
53 }
54 return 0;
Takashi Iwai1835a0f2011-10-27 22:12:46 +020055}
56
57void snd_hda_jack_set_dirty_all(struct hda_codec *codec);
58
59int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid,
Takashi Iwai3a938972011-10-28 01:16:55 +020060 unsigned char action);
Takashi Iwai1835a0f2011-10-27 22:12:46 +020061
62u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid);
63int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
64
65static inline bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid)
66{
67 if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT))
68 return false;
69 if (!codec->ignore_misc_bit &&
70 (get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
71 AC_DEFCFG_MISC_NO_PRESENCE))
72 return false;
73 if (!(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP))
74 return false;
75 return true;
76}
77
Takashi Iwai01a61e12011-10-28 00:03:22 +020078int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
79 const char *name, int idx);
80int snd_hda_jack_add_kctls(struct hda_codec *codec,
81 const struct auto_pin_cfg *cfg);
82
Takashi Iwai01a61e12011-10-28 00:03:22 +020083void snd_hda_jack_report_sync(struct hda_codec *codec);
84
85
Takashi Iwai1835a0f2011-10-27 22:12:46 +020086#endif /* __SOUND_HDA_JACK_H */