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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /sound/pci/hda/hda_jack.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/pci/hda/hda_jack.h')
-rw-r--r-- | sound/pci/hda/hda_jack.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_jack.h b/sound/pci/hda/hda_jack.h new file mode 100644 index 000000000..e9814c016 --- /dev/null +++ b/sound/pci/hda/hda_jack.h @@ -0,0 +1,95 @@ +/* + * 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 { + hda_nid_t nid; + 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, bool phantom_jack); +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 */ |