diff options
Diffstat (limited to 'sound/firewire/motu/motu-stream.c')
| -rw-r--r-- | sound/firewire/motu/motu-stream.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/sound/firewire/motu/motu-stream.c b/sound/firewire/motu/motu-stream.c index bd458029099e..dc5541c8b359 100644 --- a/sound/firewire/motu/motu-stream.c +++ b/sound/firewire/motu/motu-stream.c @@ -33,7 +33,8 @@ static int start_both_streams(struct snd_motu *motu, unsigned int rate) u32 data; int err; - if (motu->spec->flags & SND_MOTU_SPEC_HAS_MIDI) + if ((motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_2ND_Q) || + (motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_3RD_Q)) midi_ports = 1; /* Set packet formation to our packet streaming engine. */ @@ -42,6 +43,12 @@ static int start_both_streams(struct snd_motu *motu, unsigned int rate) if (err < 0) return err; + if ((motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_2ND_Q) || + (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_3RD_Q)) + midi_ports = 1; + else + midi_ports = 0; + err = amdtp_motu_set_parameters(&motu->tx_stream, rate, midi_ports, &motu->tx_packet_formats); if (err < 0) @@ -141,6 +148,33 @@ static void stop_isoc_ctx(struct snd_motu *motu, struct amdtp_stream *stream) fw_iso_resources_free(resources); } +int snd_motu_stream_cache_packet_formats(struct snd_motu *motu) +{ + int err; + + err = motu->spec->protocol->cache_packet_formats(motu); + if (err < 0) + return err; + + if (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_2ND_Q) { + motu->tx_packet_formats.midi_flag_offset = 4; + motu->tx_packet_formats.midi_byte_offset = 6; + } else if (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_3RD_Q) { + motu->tx_packet_formats.midi_flag_offset = 8; + motu->tx_packet_formats.midi_byte_offset = 7; + } + + if (motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_2ND_Q) { + motu->rx_packet_formats.midi_flag_offset = 4; + motu->rx_packet_formats.midi_byte_offset = 6; + } else if (motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_3RD_Q) { + motu->rx_packet_formats.midi_flag_offset = 8; + motu->rx_packet_formats.midi_byte_offset = 7; + } + + return 0; +} + static int ensure_packet_formats(struct snd_motu *motu) { __be32 reg; @@ -184,7 +218,7 @@ int snd_motu_stream_start_duplex(struct snd_motu *motu, unsigned int rate) stop_both_streams(motu); } - err = protocol->cache_packet_formats(motu); + err = snd_motu_stream_cache_packet_formats(motu); if (err < 0) return err; |