| /* |
| * Jack-detection handling for HD-audio |
| * |
| * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de> |
| * |
| * This driver is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #ifndef __SOUND_HDA_JACK_H |
| #define __SOUND_HDA_JACK_H |
| |
| #include <linux/err.h> |
| |
| struct auto_pin_cfg; |
| struct hda_jack_tbl; |
| struct hda_jack_callback; |
| |
| typedef void (*hda_jack_callback_fn) (struct hda_codec *, struct hda_jack_callback *); |
| |
| struct hda_jack_callback { |
| struct hda_jack_tbl *tbl; |
| hda_jack_callback_fn func; |
| unsigned int private_data; /* arbitrary data */ |
| struct hda_jack_callback *next; |
| }; |
| |
| struct hda_jack_tbl { |
| hda_nid_t nid; |
| unsigned char tag; /* unsol event tag */ |
| struct hda_jack_callback *callback; |
| /* jack-detection stuff */ |
| unsigned int pin_sense; /* cached pin-sense value */ |
| unsigned int jack_detect:1; /* capable of jack-detection? */ |
| unsigned int jack_dirty:1; /* needs to update? */ |
| unsigned int phantom_jack:1; /* a fixed, always present port? */ |
| unsigned int block_report:1; /* in a transitional state - do not report to userspace */ |
| hda_nid_t gating_jack; /* valid when gating jack plugged */ |
| hda_nid_t gated_jack; /* gated is dependent on this jack */ |
| int type; |
| struct snd_jack *jack; |
| }; |
| |
| struct hda_jack_tbl * |
| snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid); |
| struct hda_jack_tbl * |
| snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag); |
| |
| void snd_hda_jack_tbl_clear(struct hda_codec *codec); |
| |
| void snd_hda_jack_set_dirty_all(struct hda_codec *codec); |
| |
| int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid); |
| struct hda_jack_callback * |
| snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid, |
| hda_jack_callback_fn cb); |
| |
| int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid, |
| hda_nid_t gating_nid); |
| |
| u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid); |
| |
| /* the jack state returned from snd_hda_jack_detect_state() */ |
| enum { |
| HDA_JACK_NOT_PRESENT, HDA_JACK_PRESENT, HDA_JACK_PHANTOM, |
| }; |
| |
| int snd_hda_jack_detect_state(struct hda_codec *codec, hda_nid_t nid); |
| |
| /** |
| * snd_hda_jack_detect - Detect the jack |
| * @codec: the HDA codec |
| * @nid: pin NID to check jack detection |
| */ |
| static inline bool snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid) |
| { |
| return snd_hda_jack_detect_state(codec, nid) != HDA_JACK_NOT_PRESENT; |
| } |
| |
| bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid); |
| |
| int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid, |
| const char *name); |
| int snd_hda_jack_add_kctls(struct hda_codec *codec, |
| const struct auto_pin_cfg *cfg); |
| |
| void snd_hda_jack_report_sync(struct hda_codec *codec); |
| |
| void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res); |
| |
| void snd_hda_jack_poll_all(struct hda_codec *codec); |
| |
| #endif /* __SOUND_HDA_JACK_H */ |