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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /include/sound/jack.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/sound/jack.h')
-rw-r--r--include/sound/jack.h120
1 files changed, 120 insertions, 0 deletions
diff --git a/include/sound/jack.h b/include/sound/jack.h
new file mode 100644
index 000000000..1ed90e210
--- /dev/null
+++ b/include/sound/jack.h
@@ -0,0 +1,120 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __SOUND_JACK_H
+#define __SOUND_JACK_H
+
+/*
+ * Jack abstraction layer
+ *
+ * Copyright 2008 Wolfson Microelectronics plc
+ */
+
+#include <sound/core.h>
+
+struct input_dev;
+
+/**
+ * enum snd_jack_types - Jack types which can be reported
+ * @SND_JACK_HEADPHONE: Headphone
+ * @SND_JACK_MICROPHONE: Microphone
+ * @SND_JACK_HEADSET: Headset
+ * @SND_JACK_LINEOUT: Line out
+ * @SND_JACK_MECHANICAL: Mechanical switch
+ * @SND_JACK_VIDEOOUT: Video out
+ * @SND_JACK_AVOUT: AV (Audio Video) out
+ * @SND_JACK_LINEIN: Line in
+ * @SND_JACK_BTN_0: Button 0
+ * @SND_JACK_BTN_1: Button 1
+ * @SND_JACK_BTN_2: Button 2
+ * @SND_JACK_BTN_3: Button 3
+ * @SND_JACK_BTN_4: Button 4
+ * @SND_JACK_BTN_5: Button 5
+ *
+ * These values are used as a bitmask.
+ *
+ * Note that this must be kept in sync with the lookup table in
+ * sound/core/jack.c.
+ */
+enum snd_jack_types {
+ SND_JACK_HEADPHONE = 0x0001,
+ SND_JACK_MICROPHONE = 0x0002,
+ SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
+ SND_JACK_LINEOUT = 0x0004,
+ SND_JACK_MECHANICAL = 0x0008, /* If detected separately */
+ SND_JACK_VIDEOOUT = 0x0010,
+ SND_JACK_AVOUT = SND_JACK_LINEOUT | SND_JACK_VIDEOOUT,
+ SND_JACK_LINEIN = 0x0020,
+
+ /* Kept separate from switches to facilitate implementation */
+ SND_JACK_BTN_0 = 0x4000,
+ SND_JACK_BTN_1 = 0x2000,
+ SND_JACK_BTN_2 = 0x1000,
+ SND_JACK_BTN_3 = 0x0800,
+ SND_JACK_BTN_4 = 0x0400,
+ SND_JACK_BTN_5 = 0x0200,
+};
+
+/* Keep in sync with definitions above */
+#define SND_JACK_SWITCH_TYPES 6
+
+struct snd_jack {
+ struct list_head kctl_list;
+ struct snd_card *card;
+ const char *id;
+#ifdef CONFIG_SND_JACK_INPUT_DEV
+ struct input_dev *input_dev;
+ struct mutex input_dev_lock;
+ int registered;
+ int type;
+ char name[100];
+ unsigned int key[6]; /* Keep in sync with definitions above */
+#endif /* CONFIG_SND_JACK_INPUT_DEV */
+ int hw_status_cache;
+ void *private_data;
+ void (*private_free)(struct snd_jack *);
+};
+
+#ifdef CONFIG_SND_JACK
+
+int snd_jack_new(struct snd_card *card, const char *id, int type,
+ struct snd_jack **jack, bool initial_kctl, bool phantom_jack);
+int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask);
+#ifdef CONFIG_SND_JACK_INPUT_DEV
+void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
+int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
+ int keytype);
+#endif
+void snd_jack_report(struct snd_jack *jack, int status);
+
+#else
+static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
+ struct snd_jack **jack, bool initial_kctl, bool phantom_jack)
+{
+ return 0;
+}
+
+static inline int snd_jack_add_new_kctl(struct snd_jack *jack, const char * name, int mask)
+{
+ return 0;
+}
+
+static inline void snd_jack_report(struct snd_jack *jack, int status)
+{
+}
+
+#endif
+
+#if !defined(CONFIG_SND_JACK) || !defined(CONFIG_SND_JACK_INPUT_DEV)
+static inline void snd_jack_set_parent(struct snd_jack *jack,
+ struct device *parent)
+{
+}
+
+static inline int snd_jack_set_key(struct snd_jack *jack,
+ enum snd_jack_types type,
+ int keytype)
+{
+ return 0;
+}
+#endif /* !CONFIG_SND_JACK || !CONFIG_SND_JACK_INPUT_DEV */
+
+#endif