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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /sound/pci/hda/hda_jack.h
parentInitial commit. (diff)
downloadlinux-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.h95
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 */