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9#include "tascam.h"
10
11static int midi_capture_open(struct snd_rawmidi_substream *substream)
12{
13
14 return 0;
15}
16
17static int midi_playback_open(struct snd_rawmidi_substream *substream)
18{
19 struct snd_tscm *tscm = substream->rmidi->private_data;
20
21 snd_fw_async_midi_port_init(&tscm->out_ports[substream->number]);
22
23 return 0;
24}
25
26static int midi_capture_close(struct snd_rawmidi_substream *substream)
27{
28
29 return 0;
30}
31
32static int midi_playback_close(struct snd_rawmidi_substream *substream)
33{
34 return 0;
35}
36
37static void midi_playback_drain(struct snd_rawmidi_substream *substream)
38{
39 struct snd_tscm *tscm = substream->rmidi->private_data;
40
41 snd_fw_async_midi_port_finish(&tscm->out_ports[substream->number]);
42}
43
44static void midi_capture_trigger(struct snd_rawmidi_substream *substrm, int up)
45{
46 struct snd_tscm *tscm = substrm->rmidi->private_data;
47 unsigned long flags;
48
49 spin_lock_irqsave(&tscm->lock, flags);
50
51 if (up)
52 tscm->tx_midi_substreams[substrm->number] = substrm;
53 else
54 tscm->tx_midi_substreams[substrm->number] = NULL;
55
56 spin_unlock_irqrestore(&tscm->lock, flags);
57}
58
59static void midi_playback_trigger(struct snd_rawmidi_substream *substrm, int up)
60{
61 struct snd_tscm *tscm = substrm->rmidi->private_data;
62 unsigned long flags;
63
64 spin_lock_irqsave(&tscm->lock, flags);
65
66 if (up)
67 snd_fw_async_midi_port_run(&tscm->out_ports[substrm->number],
68 substrm);
69
70 spin_unlock_irqrestore(&tscm->lock, flags);
71}
72
73int snd_tscm_create_midi_devices(struct snd_tscm *tscm)
74{
75 static const struct snd_rawmidi_ops capture_ops = {
76 .open = midi_capture_open,
77 .close = midi_capture_close,
78 .trigger = midi_capture_trigger,
79 };
80 static const struct snd_rawmidi_ops playback_ops = {
81 .open = midi_playback_open,
82 .close = midi_playback_close,
83 .drain = midi_playback_drain,
84 .trigger = midi_playback_trigger,
85 };
86 struct snd_rawmidi *rmidi;
87 struct snd_rawmidi_str *stream;
88 struct snd_rawmidi_substream *subs;
89 int err;
90
91 err = snd_rawmidi_new(tscm->card, tscm->card->driver, 0,
92 tscm->spec->midi_playback_ports,
93 tscm->spec->midi_capture_ports,
94 &rmidi);
95 if (err < 0)
96 return err;
97
98 snprintf(rmidi->name, sizeof(rmidi->name),
99 "%s MIDI", tscm->card->shortname);
100 rmidi->private_data = tscm;
101
102 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_INPUT;
103 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT,
104 &capture_ops);
105 stream = &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT];
106
107
108 list_for_each_entry(subs, &stream->substreams, list) {
109
110 if (subs->number < tscm->spec->midi_capture_ports) {
111
112 snprintf(subs->name, sizeof(subs->name),
113 "%s MIDI %d",
114 tscm->card->shortname, subs->number + 1);
115 }
116 }
117
118 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT;
119 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT,
120 &playback_ops);
121 stream = &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT];
122
123
124 list_for_each_entry(subs, &stream->substreams, list) {
125 if (subs->number < tscm->spec->midi_playback_ports) {
126
127 snprintf(subs->name, sizeof(subs->name),
128 "%s MIDI %d",
129 tscm->card->shortname, subs->number + 1);
130 }
131 }
132
133 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_DUPLEX;
134
135 return 0;
136}
137