[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/firewire/digi00x/digi00x-midi.c b/src/kernel/linux/v4.14/sound/firewire/digi00x/digi00x-midi.c
new file mode 100644
index 0000000..7ab3d08
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/firewire/digi00x/digi00x-midi.c
@@ -0,0 +1,169 @@
+/*
+ * digi00x-midi.h - a part of driver for Digidesign Digi 002/003 family
+ *
+ * Copyright (c) 2014-2015 Takashi Sakamoto
+ *
+ * Licensed under the terms of the GNU General Public License, version 2.
+ */
+
+#include "digi00x.h"
+
+static int midi_open(struct snd_rawmidi_substream *substream)
+{
+ struct snd_dg00x *dg00x = substream->rmidi->private_data;
+ int err;
+
+ err = snd_dg00x_stream_lock_try(dg00x);
+ if (err < 0)
+ return err;
+
+ mutex_lock(&dg00x->mutex);
+ dg00x->substreams_counter++;
+ err = snd_dg00x_stream_start_duplex(dg00x, 0);
+ mutex_unlock(&dg00x->mutex);
+ if (err < 0)
+ snd_dg00x_stream_lock_release(dg00x);
+
+ return err;
+}
+
+static int midi_close(struct snd_rawmidi_substream *substream)
+{
+ struct snd_dg00x *dg00x = substream->rmidi->private_data;
+
+ mutex_lock(&dg00x->mutex);
+ dg00x->substreams_counter--;
+ snd_dg00x_stream_stop_duplex(dg00x);
+ mutex_unlock(&dg00x->mutex);
+
+ snd_dg00x_stream_lock_release(dg00x);
+ return 0;
+}
+
+static void midi_capture_trigger(struct snd_rawmidi_substream *substream,
+ int up)
+{
+ struct snd_dg00x *dg00x = substream->rmidi->private_data;
+ unsigned int port;
+ unsigned long flags;
+
+ if (substream->rmidi->device == 0)
+ port = substream->number;
+ else
+ port = 2;
+
+ spin_lock_irqsave(&dg00x->lock, flags);
+
+ if (up)
+ amdtp_dot_midi_trigger(&dg00x->tx_stream, port, substream);
+ else
+ amdtp_dot_midi_trigger(&dg00x->tx_stream, port, NULL);
+
+ spin_unlock_irqrestore(&dg00x->lock, flags);
+}
+
+static void midi_playback_trigger(struct snd_rawmidi_substream *substream,
+ int up)
+{
+ struct snd_dg00x *dg00x = substream->rmidi->private_data;
+ unsigned int port;
+ unsigned long flags;
+
+ if (substream->rmidi->device == 0)
+ port = substream->number;
+ else
+ port = 2;
+
+ spin_lock_irqsave(&dg00x->lock, flags);
+
+ if (up)
+ amdtp_dot_midi_trigger(&dg00x->rx_stream, port, substream);
+ else
+ amdtp_dot_midi_trigger(&dg00x->rx_stream, port, NULL);
+
+ spin_unlock_irqrestore(&dg00x->lock, flags);
+}
+
+static void set_substream_names(struct snd_dg00x *dg00x,
+ struct snd_rawmidi *rmidi, bool is_console)
+{
+ struct snd_rawmidi_substream *subs;
+ struct snd_rawmidi_str *str;
+ int i;
+
+ for (i = 0; i < 2; ++i) {
+ str = &rmidi->streams[i];
+
+ list_for_each_entry(subs, &str->substreams, list) {
+ if (!is_console) {
+ snprintf(subs->name, sizeof(subs->name),
+ "%s MIDI %d",
+ dg00x->card->shortname,
+ subs->number + 1);
+ } else {
+ snprintf(subs->name, sizeof(subs->name),
+ "%s control",
+ dg00x->card->shortname);
+ }
+ }
+ }
+}
+
+static int add_substream_pair(struct snd_dg00x *dg00x, unsigned int out_ports,
+ unsigned int in_ports, bool is_console)
+{
+ static const struct snd_rawmidi_ops capture_ops = {
+ .open = midi_open,
+ .close = midi_close,
+ .trigger = midi_capture_trigger,
+ };
+ static const struct snd_rawmidi_ops playback_ops = {
+ .open = midi_open,
+ .close = midi_close,
+ .trigger = midi_playback_trigger,
+ };
+ const char *label;
+ struct snd_rawmidi *rmidi;
+ int err;
+
+ /* Add physical midi ports. */
+ err = snd_rawmidi_new(dg00x->card, dg00x->card->driver, is_console,
+ out_ports, in_ports, &rmidi);
+ if (err < 0)
+ return err;
+ rmidi->private_data = dg00x;
+
+ if (!is_console)
+ label = "%s control";
+ else
+ label = "%s MIDI";
+ snprintf(rmidi->name, sizeof(rmidi->name), label,
+ dg00x->card->shortname);
+
+ snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &playback_ops);
+ snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &capture_ops);
+
+ rmidi->info_flags |= SNDRV_RAWMIDI_INFO_INPUT |
+ SNDRV_RAWMIDI_INFO_OUTPUT |
+ SNDRV_RAWMIDI_INFO_DUPLEX;
+
+ set_substream_names(dg00x, rmidi, is_console);
+
+ return 0;
+}
+
+int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x)
+{
+ int err;
+
+ /* Add physical midi ports. */
+ err = add_substream_pair(dg00x, DOT_MIDI_OUT_PORTS, DOT_MIDI_IN_PORTS,
+ false);
+ if (err < 0)
+ return err;
+
+ if (dg00x->is_console)
+ err = add_substream_pair(dg00x, 1, 1, true);
+
+ return err;
+}