Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 1 | /* |
| 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 | |
Takashi Iwai | 128bc4b | 2012-05-07 17:42:31 +0200 | [diff] [blame] | 15 | struct auto_pin_cfg; |
| 16 | |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 17 | struct hda_jack_tbl { |
| 18 | hda_nid_t nid; |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 19 | unsigned char action; /* event action (0 = none) */ |
| 20 | unsigned char tag; /* unsol event tag */ |
| 21 | unsigned int private_data; /* arbitrary data */ |
| 22 | /* jack-detection stuff */ |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 23 | unsigned int pin_sense; /* cached pin-sense value */ |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 24 | unsigned int jack_detect:1; /* capable of jack-detection? */ |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 25 | unsigned int jack_dirty:1; /* needs to update? */ |
Takashi Iwai | 01a61e1 | 2011-10-28 00:03:22 +0200 | [diff] [blame] | 26 | struct snd_kcontrol *kctl; /* assigned kctl for jack-detection */ |
Takashi Iwai | aad37db | 2011-11-02 08:54:51 +0100 | [diff] [blame] | 27 | #ifdef CONFIG_SND_HDA_INPUT_JACK |
| 28 | int type; |
| 29 | struct snd_jack *jack; |
| 30 | #endif |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 31 | }; |
| 32 | |
| 33 | struct hda_jack_tbl * |
| 34 | snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid); |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 35 | struct hda_jack_tbl * |
| 36 | snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag); |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 37 | |
| 38 | struct hda_jack_tbl * |
| 39 | snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid); |
| 40 | void snd_hda_jack_tbl_clear(struct hda_codec *codec); |
| 41 | |
| 42 | /** |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 43 | * snd_hda_jack_get_action - get jack-tbl entry for the tag |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 44 | * |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 45 | * Call this from the unsol event handler to get the assigned action for the |
| 46 | * event. This will mark the dirty flag for the later reporting, too. |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 47 | */ |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 48 | static inline unsigned char |
| 49 | snd_hda_jack_get_action(struct hda_codec *codec, unsigned int tag) |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 50 | { |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 51 | struct hda_jack_tbl *jack = snd_hda_jack_tbl_get_from_tag(codec, tag); |
| 52 | if (jack) { |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 53 | jack->jack_dirty = 1; |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 54 | return jack->action; |
| 55 | } |
| 56 | return 0; |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | void snd_hda_jack_set_dirty_all(struct hda_codec *codec); |
| 60 | |
| 61 | int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid, |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 62 | unsigned char action); |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 63 | |
| 64 | u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid); |
| 65 | int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid); |
| 66 | |
Takashi Iwai | a9c7417 | 2012-02-13 11:41:42 +0100 | [diff] [blame] | 67 | bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid); |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 68 | |
Takashi Iwai | 01a61e1 | 2011-10-28 00:03:22 +0200 | [diff] [blame] | 69 | int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid, |
| 70 | const char *name, int idx); |
| 71 | int snd_hda_jack_add_kctls(struct hda_codec *codec, |
| 72 | const struct auto_pin_cfg *cfg); |
| 73 | |
Takashi Iwai | 01a61e1 | 2011-10-28 00:03:22 +0200 | [diff] [blame] | 74 | void snd_hda_jack_report_sync(struct hda_codec *codec); |
| 75 | |
| 76 | |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 77 | #endif /* __SOUND_HDA_JACK_H */ |