Commit | Line | Data |
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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 | ||
a5062dee DH |
15 | #include <linux/err.h> |
16 | ||
128bc4ba | 17 | struct auto_pin_cfg; |
954df2a9 | 18 | struct hda_jack_tbl; |
1a4f69d5 | 19 | struct hda_jack_callback; |
954df2a9 | 20 | |
1a4f69d5 TI |
21 | typedef void (*hda_jack_callback_fn) (struct hda_codec *, struct hda_jack_callback *); |
22 | ||
23 | struct hda_jack_callback { | |
2ebab40e | 24 | hda_nid_t nid; |
1a4f69d5 TI |
25 | hda_jack_callback_fn func; |
26 | unsigned int private_data; /* arbitrary data */ | |
27 | struct hda_jack_callback *next; | |
28 | }; | |
128bc4ba | 29 | |
1835a0f9 TI |
30 | struct hda_jack_tbl { |
31 | hda_nid_t nid; | |
3a93897e | 32 | unsigned char tag; /* unsol event tag */ |
1a4f69d5 | 33 | struct hda_jack_callback *callback; |
3a93897e | 34 | /* jack-detection stuff */ |
1835a0f9 | 35 | unsigned int pin_sense; /* cached pin-sense value */ |
3a93897e | 36 | unsigned int jack_detect:1; /* capable of jack-detection? */ |
1835a0f9 | 37 | unsigned int jack_dirty:1; /* needs to update? */ |
80c8bfbe | 38 | unsigned int phantom_jack:1; /* a fixed, always present port? */ |
0f568959 | 39 | unsigned int block_report:1; /* in a transitional state - do not report to userspace */ |
0619ba8c DR |
40 | hda_nid_t gating_jack; /* valid when gating jack plugged */ |
41 | hda_nid_t gated_jack; /* gated is dependent on this jack */ | |
aad37dbd TI |
42 | int type; |
43 | struct snd_jack *jack; | |
1835a0f9 TI |
44 | }; |
45 | ||
46 | struct hda_jack_tbl * | |
47 | snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid); | |
3a93897e TI |
48 | struct hda_jack_tbl * |
49 | snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag); | |
1835a0f9 | 50 | |
1835a0f9 TI |
51 | void snd_hda_jack_tbl_clear(struct hda_codec *codec); |
52 | ||
1835a0f9 TI |
53 | void snd_hda_jack_set_dirty_all(struct hda_codec *codec); |
54 | ||
62f949bf | 55 | int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid); |
1a4f69d5 | 56 | struct hda_jack_callback * |
bda17b82 | 57 | snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid, |
1a4f69d5 | 58 | hda_jack_callback_fn cb); |
954df2a9 | 59 | |
0619ba8c DR |
60 | int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid, |
61 | hda_nid_t gating_nid); | |
1835a0f9 TI |
62 | |
63 | u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid); | |
60ea8ca2 TI |
64 | |
65 | /* the jack state returned from snd_hda_jack_detect_state() */ | |
66 | enum { | |
67 | HDA_JACK_NOT_PRESENT, HDA_JACK_PRESENT, HDA_JACK_PHANTOM, | |
68 | }; | |
69 | ||
70 | int snd_hda_jack_detect_state(struct hda_codec *codec, hda_nid_t nid); | |
71 | ||
95a962c3 TI |
72 | /** |
73 | * snd_hda_jack_detect - Detect the jack | |
74 | * @codec: the HDA codec | |
75 | * @nid: pin NID to check jack detection | |
76 | */ | |
60ea8ca2 TI |
77 | static inline bool snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid) |
78 | { | |
79 | return snd_hda_jack_detect_state(codec, nid) != HDA_JACK_NOT_PRESENT; | |
80 | } | |
1835a0f9 | 81 | |
a9c74173 | 82 | bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid); |
1835a0f9 | 83 | |
01a61e12 | 84 | int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid, |
909cadc6 | 85 | const char *name, bool phantom_jack); |
01a61e12 TI |
86 | int snd_hda_jack_add_kctls(struct hda_codec *codec, |
87 | const struct auto_pin_cfg *cfg); | |
88 | ||
01a61e12 TI |
89 | void snd_hda_jack_report_sync(struct hda_codec *codec); |
90 | ||
954df2a9 | 91 | void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res); |
01a61e12 | 92 | |
26a6cb6c DH |
93 | void snd_hda_jack_poll_all(struct hda_codec *codec); |
94 | ||
1835a0f9 | 95 | #endif /* __SOUND_HDA_JACK_H */ |