diff options
| -rw-r--r-- | sound/firewire/digi00x/Makefile | 2 | ||||
| -rw-r--r-- | sound/firewire/digi00x/digi00x-midi.c | 131 | ||||
| -rw-r--r-- | sound/firewire/digi00x/digi00x-stream.c | 2 | ||||
| -rw-r--r-- | sound/firewire/digi00x/digi00x.c | 4 | ||||
| -rw-r--r-- | sound/firewire/digi00x/digi00x.h | 2 |
5 files changed, 140 insertions, 1 deletions
diff --git a/sound/firewire/digi00x/Makefile b/sound/firewire/digi00x/Makefile index 28e3d13..1123e68 100644 --- a/sound/firewire/digi00x/Makefile +++ b/sound/firewire/digi00x/Makefile @@ -1,4 +1,4 @@ snd-firewire-digi00x-objs := amdtp-dot.o digi00x-stream.o digi00x-proc.o \ digi00x-pcm.o digi00x-hwdep.o \ - digi00x-transaction.o digi00x.o + digi00x-transaction.o digi00x-midi.o digi00x.o obj-$(CONFIG_SND_FIREWIRE_DIGI00X) += snd-firewire-digi00x.o diff --git a/sound/firewire/digi00x/digi00x-midi.c b/sound/firewire/digi00x/digi00x-midi.c new file mode 100644 index 0000000..4e258ac --- /dev/null +++ b/sound/firewire/digi00x/digi00x-midi.c @@ -0,0 +1,131 @@ +/* + * 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 *substrm, int up) +{ + struct snd_dg00x *dg00x = substrm->rmidi->private_data; + unsigned long flags; + + spin_lock_irqsave(&dg00x->lock, flags); + + if (up) + amdtp_dot_midi_trigger(&dg00x->tx_stream, + substrm->number, substrm); + else + amdtp_dot_midi_trigger(&dg00x->tx_stream, + substrm->number, NULL); + + spin_unlock_irqrestore(&dg00x->lock, flags); +} + +static void midi_playback_trigger(struct snd_rawmidi_substream *substrm, int up) +{ + struct snd_dg00x *dg00x = substrm->rmidi->private_data; + unsigned long flags; + + spin_lock_irqsave(&dg00x->lock, flags); + + if (up) + amdtp_dot_midi_trigger(&dg00x->rx_stream, + substrm->number, substrm); + else + amdtp_dot_midi_trigger(&dg00x->rx_stream, + substrm->number, NULL); + + spin_unlock_irqrestore(&dg00x->lock, flags); +} + +static struct snd_rawmidi_ops midi_capture_ops = { + .open = midi_open, + .close = midi_close, + .trigger = midi_capture_trigger, +}; + +static struct snd_rawmidi_ops midi_playback_ops = { + .open = midi_open, + .close = midi_close, + .trigger = midi_playback_trigger, +}; + +static void set_midi_substream_names(struct snd_dg00x *dg00x, + struct snd_rawmidi_str *str) +{ + struct snd_rawmidi_substream *subs; + + list_for_each_entry(subs, &str->substreams, list) { + snprintf(subs->name, sizeof(subs->name), + "%s MIDI %d", + dg00x->card->shortname, subs->number + 1); + } +} + +int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x) +{ + struct snd_rawmidi *rmidi; + struct snd_rawmidi_str *str; + int err; + + err = snd_rawmidi_new(dg00x->card, dg00x->card->driver, 0, + DOT_MIDI_OUT_PORTS, DOT_MIDI_IN_PORTS, &rmidi); + if (err < 0) + return err; + + snprintf(rmidi->name, sizeof(rmidi->name), + "%s MIDI", dg00x->card->shortname); + rmidi->private_data = dg00x; + + rmidi->info_flags |= SNDRV_RAWMIDI_INFO_INPUT; + snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, + &midi_capture_ops); + str = &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT]; + set_midi_substream_names(dg00x, str); + + rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT; + snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, + &midi_playback_ops); + str = &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]; + set_midi_substream_names(dg00x, str); + + rmidi->info_flags |= SNDRV_RAWMIDI_INFO_DUPLEX; + + return 0; +} diff --git a/sound/firewire/digi00x/digi00x-stream.c b/sound/firewire/digi00x/digi00x-stream.c index e9be162..4d3b4eb 100644 --- a/sound/firewire/digi00x/digi00x-stream.c +++ b/sound/firewire/digi00x/digi00x-stream.c @@ -285,6 +285,8 @@ int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x, unsigned int rate) err = snd_dg00x_stream_get_local_rate(dg00x, &curr_rate); if (err < 0) goto error; + if (rate == 0) + rate = curr_rate; if (curr_rate != rate || amdtp_streaming_error(&dg00x->tx_stream) || amdtp_streaming_error(&dg00x->rx_stream)) { diff --git a/sound/firewire/digi00x/digi00x.c b/sound/firewire/digi00x/digi00x.c index 34937a2..bbe3be7 100644 --- a/sound/firewire/digi00x/digi00x.c +++ b/sound/firewire/digi00x/digi00x.c @@ -90,6 +90,10 @@ static int snd_dg00x_probe(struct fw_unit *unit, if (err < 0) goto error; + err = snd_dg00x_create_midi_devices(dg00x); + if (err < 0) + goto error; + err = snd_dg00x_create_hwdep_device(dg00x); if (err < 0) goto error; diff --git a/sound/firewire/digi00x/digi00x.h b/sound/firewire/digi00x/digi00x.h index 88df67b..89494d0 100644 --- a/sound/firewire/digi00x/digi00x.h +++ b/sound/firewire/digi00x/digi00x.h @@ -147,5 +147,7 @@ void snd_dg00x_proc_init(struct snd_dg00x *dg00x); int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x); +int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x); + int snd_dg00x_create_hwdep_device(struct snd_dg00x *dg00x); #endif |
