19e796e7dSTakashi Sakamoto /* 29e796e7dSTakashi Sakamoto * motu-midi.h - a part of driver for MOTU FireWire series 39e796e7dSTakashi Sakamoto * 49e796e7dSTakashi Sakamoto * Copyright (c) 2015-2017 Takashi Sakamoto <o-takashi@sakamocchi.jp> 59e796e7dSTakashi Sakamoto * 69e796e7dSTakashi Sakamoto * Licensed under the terms of the GNU General Public License, version 2. 79e796e7dSTakashi Sakamoto */ 89e796e7dSTakashi Sakamoto #include "motu.h" 99e796e7dSTakashi Sakamoto 10f6341db6STakashi Sakamoto static int midi_open(struct snd_rawmidi_substream *substream) 119e796e7dSTakashi Sakamoto { 129e796e7dSTakashi Sakamoto struct snd_motu *motu = substream->rmidi->private_data; 139e796e7dSTakashi Sakamoto int err; 149e796e7dSTakashi Sakamoto 1571c37977STakashi Sakamoto err = snd_motu_stream_lock_try(motu); 1671c37977STakashi Sakamoto if (err < 0) 1771c37977STakashi Sakamoto return err; 1871c37977STakashi Sakamoto 199e796e7dSTakashi Sakamoto mutex_lock(&motu->mutex); 209e796e7dSTakashi Sakamoto 2118f26034STakashi Sakamoto motu->substreams_counter++; 229e796e7dSTakashi Sakamoto err = snd_motu_stream_start_duplex(motu, 0); 239e796e7dSTakashi Sakamoto 249e796e7dSTakashi Sakamoto mutex_unlock(&motu->mutex); 259e796e7dSTakashi Sakamoto 2671c37977STakashi Sakamoto if (err < 0) 2771c37977STakashi Sakamoto snd_motu_stream_lock_release(motu); 2871c37977STakashi Sakamoto 299e796e7dSTakashi Sakamoto return err; 309e796e7dSTakashi Sakamoto } 319e796e7dSTakashi Sakamoto 32f6341db6STakashi Sakamoto static int midi_close(struct snd_rawmidi_substream *substream) 339e796e7dSTakashi Sakamoto { 349e796e7dSTakashi Sakamoto struct snd_motu *motu = substream->rmidi->private_data; 359e796e7dSTakashi Sakamoto 369e796e7dSTakashi Sakamoto mutex_lock(&motu->mutex); 379e796e7dSTakashi Sakamoto 3818f26034STakashi Sakamoto motu->substreams_counter--; 399e796e7dSTakashi Sakamoto snd_motu_stream_stop_duplex(motu); 409e796e7dSTakashi Sakamoto 419e796e7dSTakashi Sakamoto mutex_unlock(&motu->mutex); 429e796e7dSTakashi Sakamoto 4371c37977STakashi Sakamoto snd_motu_stream_lock_release(motu); 449e796e7dSTakashi Sakamoto return 0; 459e796e7dSTakashi Sakamoto } 469e796e7dSTakashi Sakamoto 479e796e7dSTakashi Sakamoto static void midi_capture_trigger(struct snd_rawmidi_substream *substrm, int up) 489e796e7dSTakashi Sakamoto { 499e796e7dSTakashi Sakamoto struct snd_motu *motu = substrm->rmidi->private_data; 509e796e7dSTakashi Sakamoto unsigned long flags; 519e796e7dSTakashi Sakamoto 529e796e7dSTakashi Sakamoto spin_lock_irqsave(&motu->lock, flags); 539e796e7dSTakashi Sakamoto 549e796e7dSTakashi Sakamoto if (up) 559e796e7dSTakashi Sakamoto amdtp_motu_midi_trigger(&motu->tx_stream, substrm->number, 569e796e7dSTakashi Sakamoto substrm); 579e796e7dSTakashi Sakamoto else 589e796e7dSTakashi Sakamoto amdtp_motu_midi_trigger(&motu->tx_stream, substrm->number, 599e796e7dSTakashi Sakamoto NULL); 609e796e7dSTakashi Sakamoto 619e796e7dSTakashi Sakamoto spin_unlock_irqrestore(&motu->lock, flags); 629e796e7dSTakashi Sakamoto } 639e796e7dSTakashi Sakamoto 649e796e7dSTakashi Sakamoto static void midi_playback_trigger(struct snd_rawmidi_substream *substrm, int up) 659e796e7dSTakashi Sakamoto { 669e796e7dSTakashi Sakamoto struct snd_motu *motu = substrm->rmidi->private_data; 679e796e7dSTakashi Sakamoto unsigned long flags; 689e796e7dSTakashi Sakamoto 699e796e7dSTakashi Sakamoto spin_lock_irqsave(&motu->lock, flags); 709e796e7dSTakashi Sakamoto 719e796e7dSTakashi Sakamoto if (up) 729e796e7dSTakashi Sakamoto amdtp_motu_midi_trigger(&motu->rx_stream, substrm->number, 739e796e7dSTakashi Sakamoto substrm); 749e796e7dSTakashi Sakamoto else 759e796e7dSTakashi Sakamoto amdtp_motu_midi_trigger(&motu->rx_stream, substrm->number, 769e796e7dSTakashi Sakamoto NULL); 779e796e7dSTakashi Sakamoto 789e796e7dSTakashi Sakamoto spin_unlock_irqrestore(&motu->lock, flags); 799e796e7dSTakashi Sakamoto } 809e796e7dSTakashi Sakamoto 819e796e7dSTakashi Sakamoto static void set_midi_substream_names(struct snd_motu *motu, 829e796e7dSTakashi Sakamoto struct snd_rawmidi_str *str) 839e796e7dSTakashi Sakamoto { 849e796e7dSTakashi Sakamoto struct snd_rawmidi_substream *subs; 859e796e7dSTakashi Sakamoto 869e796e7dSTakashi Sakamoto list_for_each_entry(subs, &str->substreams, list) { 879e796e7dSTakashi Sakamoto snprintf(subs->name, sizeof(subs->name), 889e796e7dSTakashi Sakamoto "%s MIDI %d", motu->card->shortname, subs->number + 1); 899e796e7dSTakashi Sakamoto } 909e796e7dSTakashi Sakamoto } 919e796e7dSTakashi Sakamoto 929e796e7dSTakashi Sakamoto int snd_motu_create_midi_devices(struct snd_motu *motu) 939e796e7dSTakashi Sakamoto { 94eb2c1830SJulia Lawall static const struct snd_rawmidi_ops capture_ops = { 95f6341db6STakashi Sakamoto .open = midi_open, 96f6341db6STakashi Sakamoto .close = midi_close, 979e796e7dSTakashi Sakamoto .trigger = midi_capture_trigger, 989e796e7dSTakashi Sakamoto }; 99eb2c1830SJulia Lawall static const struct snd_rawmidi_ops playback_ops = { 100f6341db6STakashi Sakamoto .open = midi_open, 101f6341db6STakashi Sakamoto .close = midi_close, 1029e796e7dSTakashi Sakamoto .trigger = midi_playback_trigger, 1039e796e7dSTakashi Sakamoto }; 1049e796e7dSTakashi Sakamoto struct snd_rawmidi *rmidi; 1059e796e7dSTakashi Sakamoto struct snd_rawmidi_str *str; 1069e796e7dSTakashi Sakamoto int err; 1079e796e7dSTakashi Sakamoto 1089e796e7dSTakashi Sakamoto /* create midi ports */ 1099e796e7dSTakashi Sakamoto err = snd_rawmidi_new(motu->card, motu->card->driver, 0, 1, 1, &rmidi); 1109e796e7dSTakashi Sakamoto if (err < 0) 1119e796e7dSTakashi Sakamoto return err; 1129e796e7dSTakashi Sakamoto 1139e796e7dSTakashi Sakamoto snprintf(rmidi->name, sizeof(rmidi->name), 1149e796e7dSTakashi Sakamoto "%s MIDI", motu->card->shortname); 1159e796e7dSTakashi Sakamoto rmidi->private_data = motu; 1169e796e7dSTakashi Sakamoto 1179e796e7dSTakashi Sakamoto rmidi->info_flags |= SNDRV_RAWMIDI_INFO_INPUT | 1189e796e7dSTakashi Sakamoto SNDRV_RAWMIDI_INFO_OUTPUT | 1199e796e7dSTakashi Sakamoto SNDRV_RAWMIDI_INFO_DUPLEX; 1209e796e7dSTakashi Sakamoto 1219e796e7dSTakashi Sakamoto snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, 1229e796e7dSTakashi Sakamoto &capture_ops); 1239e796e7dSTakashi Sakamoto str = &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT]; 1249e796e7dSTakashi Sakamoto set_midi_substream_names(motu, str); 1259e796e7dSTakashi Sakamoto 1269e796e7dSTakashi Sakamoto snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, 1279e796e7dSTakashi Sakamoto &playback_ops); 1289e796e7dSTakashi Sakamoto str = &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]; 1299e796e7dSTakashi Sakamoto set_midi_substream_names(motu, str); 1309e796e7dSTakashi Sakamoto 1319e796e7dSTakashi Sakamoto return 0; 1329e796e7dSTakashi Sakamoto } 133