2 * digi00x-midi.h - a part of driver for Digidesign Digi 002/003 family
4 * Copyright (c) 2014-2015 Takashi Sakamoto
6 * Licensed under the terms of the GNU General Public License, version 2.
11 static int midi_open(struct snd_rawmidi_substream *substream)
13 struct snd_dg00x *dg00x = substream->rmidi->private_data;
16 err = snd_dg00x_stream_lock_try(dg00x);
20 mutex_lock(&dg00x->mutex);
21 dg00x->substreams_counter++;
22 err = snd_dg00x_stream_start_duplex(dg00x, 0);
23 mutex_unlock(&dg00x->mutex);
25 snd_dg00x_stream_lock_release(dg00x);
30 static int midi_close(struct snd_rawmidi_substream *substream)
32 struct snd_dg00x *dg00x = substream->rmidi->private_data;
34 mutex_lock(&dg00x->mutex);
35 dg00x->substreams_counter--;
36 snd_dg00x_stream_stop_duplex(dg00x);
37 mutex_unlock(&dg00x->mutex);
39 snd_dg00x_stream_lock_release(dg00x);
43 static void midi_capture_trigger(struct snd_rawmidi_substream *substream,
46 struct snd_dg00x *dg00x = substream->rmidi->private_data;
50 if (substream->rmidi->device == 0)
51 port = substream->number;
55 spin_lock_irqsave(&dg00x->lock, flags);
58 amdtp_dot_midi_trigger(&dg00x->tx_stream, port, substream);
60 amdtp_dot_midi_trigger(&dg00x->tx_stream, port, NULL);
62 spin_unlock_irqrestore(&dg00x->lock, flags);
65 static void midi_playback_trigger(struct snd_rawmidi_substream *substream,
68 struct snd_dg00x *dg00x = substream->rmidi->private_data;
72 if (substream->rmidi->device == 0)
73 port = substream->number;
77 spin_lock_irqsave(&dg00x->lock, flags);
80 amdtp_dot_midi_trigger(&dg00x->rx_stream, port, substream);
82 amdtp_dot_midi_trigger(&dg00x->rx_stream, port, NULL);
84 spin_unlock_irqrestore(&dg00x->lock, flags);
87 static void set_substream_names(struct snd_dg00x *dg00x,
88 struct snd_rawmidi *rmidi, bool is_console)
90 struct snd_rawmidi_substream *subs;
91 struct snd_rawmidi_str *str;
94 for (i = 0; i < 2; ++i) {
95 str = &rmidi->streams[i];
97 list_for_each_entry(subs, &str->substreams, list) {
99 snprintf(subs->name, sizeof(subs->name),
101 dg00x->card->shortname,
104 snprintf(subs->name, sizeof(subs->name),
106 dg00x->card->shortname);
112 static int add_substream_pair(struct snd_dg00x *dg00x, unsigned int out_ports,
113 unsigned int in_ports, bool is_console)
115 static const struct snd_rawmidi_ops capture_ops = {
118 .trigger = midi_capture_trigger,
120 static const struct snd_rawmidi_ops playback_ops = {
123 .trigger = midi_playback_trigger,
126 struct snd_rawmidi *rmidi;
129 /* Add physical midi ports. */
130 err = snd_rawmidi_new(dg00x->card, dg00x->card->driver, is_console,
131 out_ports, in_ports, &rmidi);
134 rmidi->private_data = dg00x;
137 label = "%s control";
140 snprintf(rmidi->name, sizeof(rmidi->name), label,
141 dg00x->card->shortname);
143 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &playback_ops);
144 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &capture_ops);
146 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_INPUT |
147 SNDRV_RAWMIDI_INFO_OUTPUT |
148 SNDRV_RAWMIDI_INFO_DUPLEX;
150 set_substream_names(dg00x, rmidi, is_console);
155 int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x)
159 /* Add physical midi ports. */
160 err = add_substream_pair(dg00x, DOT_MIDI_OUT_PORTS, DOT_MIDI_IN_PORTS,
165 if (dg00x->is_console)
166 err = add_substream_pair(dg00x, 1, 1, true);