Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 39 insertions, 0 deletions

diff --git a/include/sound/seq_midi_event.h b/include/sound/seq_midi_event.h
new file mode 100644
index 0000000000..3b5d0d7e4e
--- /dev/null
+++ b/include/sound/seq_midi_event.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __SOUND_SEQ_MIDI_EVENT_H
+#define __SOUND_SEQ_MIDI_EVENT_H
+
+/*
+ *  MIDI byte <-> sequencer event coder
+ *
+ *  Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de>,
+ *                        Jaroslav Kysela <perex@perex.cz>
+ */
+
+#include <sound/asequencer.h>
+
+#define MAX_MIDI_EVENT_BUF	256
+
+/* midi status */
+struct snd_midi_event {
+	int qlen;		/* queue length */
+	int read;		/* chars read */
+	int type;		/* current event type */
+	unsigned char lastcmd;	/* last command (for MIDI state handling) */
+	unsigned char nostat;	/* no state flag */
+	int bufsize;		/* allocated buffer size */
+	unsigned char *buf;	/* input buffer */
+	spinlock_t lock;
+};
+
+int snd_midi_event_new(int bufsize, struct snd_midi_event **rdev);
+void snd_midi_event_free(struct snd_midi_event *dev);
+void snd_midi_event_reset_encode(struct snd_midi_event *dev);
+void snd_midi_event_reset_decode(struct snd_midi_event *dev);
+void snd_midi_event_no_status(struct snd_midi_event *dev, int on);
+bool snd_midi_event_encode_byte(struct snd_midi_event *dev, unsigned char c,
+				struct snd_seq_event *ev);
+/* decode from event to bytes - return number of written bytes if success */
+long snd_midi_event_decode(struct snd_midi_event *dev, unsigned char *buf, long count,
+			   struct snd_seq_event *ev);
+
+#endif /* __SOUND_SEQ_MIDI_EVENT_H */