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 | |
| 15 | struct hda_jack_tbl { |
| 16 | hda_nid_t nid; |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 17 | 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 Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 21 | unsigned int pin_sense; /* cached pin-sense value */ |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 22 | unsigned int jack_detect:1; /* capable of jack-detection? */ |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 23 | unsigned int jack_dirty:1; /* needs to update? */ |
Takashi Iwai | 01a61e1 | 2011-10-28 00:03:22 +0200 | [diff] [blame] | 24 | struct snd_kcontrol *kctl; /* assigned kctl for jack-detection */ |
Takashi Iwai | aad37db | 2011-11-02 08:54:51 +0100 | [diff] [blame] | 25 | #ifdef CONFIG_SND_HDA_INPUT_JACK |
| 26 | int type; |
| 27 | struct snd_jack *jack; |
| 28 | #endif |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 29 | }; |
| 30 | |
| 31 | struct hda_jack_tbl * |
| 32 | 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] | 33 | struct hda_jack_tbl * |
| 34 | 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] | 35 | |
| 36 | struct hda_jack_tbl * |
| 37 | snd_hda_jack_tbl_new(struct hda_codec *codec, hda_nid_t nid); |
| 38 | void snd_hda_jack_tbl_clear(struct hda_codec *codec); |
| 39 | |
| 40 | /** |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 41 | * snd_hda_jack_get_action - get jack-tbl entry for the tag |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 42 | * |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 43 | * 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 Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 45 | */ |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 46 | static inline unsigned char |
| 47 | snd_hda_jack_get_action(struct hda_codec *codec, unsigned int tag) |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 48 | { |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 49 | struct hda_jack_tbl *jack = snd_hda_jack_tbl_get_from_tag(codec, tag); |
| 50 | if (jack) { |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 51 | jack->jack_dirty = 1; |
Takashi Iwai | 3a93897 | 2011-10-28 01:16:55 +0200 | [diff] [blame] | 52 | return jack->action; |
| 53 | } |
| 54 | return 0; |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 55 | } |
| 56 | |
| 57 | void snd_hda_jack_set_dirty_all(struct hda_codec *codec); |
| 58 | |
| 59 | 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] | 60 | unsigned char action); |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 61 | |
| 62 | u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid); |
| 63 | int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid); |
| 64 | |
| 65 | static 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 Iwai | 01a61e1 | 2011-10-28 00:03:22 +0200 | [diff] [blame] | 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); |
| 82 | |
Takashi Iwai | 01a61e1 | 2011-10-28 00:03:22 +0200 | [diff] [blame] | 83 | void snd_hda_jack_report_sync(struct hda_codec *codec); |
| 84 | |
| 85 | |
Takashi Iwai | 1835a0f | 2011-10-27 22:12:46 +0200 | [diff] [blame] | 86 | #endif /* __SOUND_HDA_JACK_H */ |