projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1835a0f9 TI |
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; | |
| 3a93897e TI |
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 */ | |
| 1835a0f9 | 21 | unsigned int pin_sense; /* cached pin-sense value */ |
| 3a93897e | 22 | unsigned int jack_detect:1; /* capable of jack-detection? */ |
| 1835a0f9 | 23 | unsigned int jack_dirty:1; /* needs to update? */ |
| 01a61e12 | 24 | struct snd_kcontrol *kctl; /* assigned kctl for jack-detection */ |
| aad37dbd TI |
25 | #ifdef CONFIG_SND_HDA_INPUT_JACK |
| 26 | int type; | |
| 27 | struct snd_jack *jack; | |
| 28 | #endif | |
| 1835a0f9 TI |
29 | }; |
| 30 | ||
| 31 | struct hda_jack_tbl * | |
| 32 | snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid); | |
| 3a93897e TI |
33 | struct hda_jack_tbl * |
| 34 | snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag); | |
| 1835a0f9 TI |
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 | /** | |
| 3a93897e | 41 | * snd_hda_jack_get_action - get jack-tbl entry for the tag |
| 1835a0f9 | 42 | * |
| 3a93897e TI |
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. | |
| 1835a0f9 | 45 | */ |
| 3a93897e TI |
46 | static inline unsigned char |
| 47 | snd_hda_jack_get_action(struct hda_codec *codec, unsigned int tag) | |
| 1835a0f9 | 48 | { |
| 3a93897e TI |
49 | struct hda_jack_tbl *jack = snd_hda_jack_tbl_get_from_tag(codec, tag); |
| 50 | if (jack) { | |
| 1835a0f9 | 51 | jack->jack_dirty = 1; |
| 3a93897e TI |
52 | return jack->action; |
| 53 | } | |
| 54 | return 0; | |
| 1835a0f9 TI |
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, | |
| 3a93897e | 60 | unsigned char action); |
| 1835a0f9 TI |
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 | ||
| a9c74173 | 65 | bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid); |
| 1835a0f9 | 66 | |
| 01a61e12 TI |
67 | int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid, |
| 68 | const char *name, int idx); | |
| 69 | int snd_hda_jack_add_kctls(struct hda_codec *codec, | |
| 70 | const struct auto_pin_cfg *cfg); | |
| 71 | ||
| 01a61e12 TI |
72 | void snd_hda_jack_report_sync(struct hda_codec *codec); |
| 73 | ||
| 74 | ||
| 1835a0f9 | 75 | #endif /* __SOUND_HDA_JACK_H */ |