diff options
Diffstat (limited to 'sound/firewire/motu')
| -rw-r--r-- | sound/firewire/motu/Makefile | 2 | ||||
| -rw-r--r-- | sound/firewire/motu/amdtp-motu.c | 12 | ||||
| -rw-r--r-- | sound/firewire/motu/motu-protocol-v3.c | 312 | ||||
| -rw-r--r-- | sound/firewire/motu/motu.c | 18 | ||||
| -rw-r--r-- | sound/firewire/motu/motu.h | 1 |
5 files changed, 344 insertions, 1 deletions
diff --git a/sound/firewire/motu/Makefile b/sound/firewire/motu/Makefile index 21968bcf68dc..ae84ae61d274 100644 --- a/sound/firewire/motu/Makefile +++ b/sound/firewire/motu/Makefile @@ -1,4 +1,4 @@ snd-firewire-motu-objs := motu.o amdtp-motu.o motu-transaction.o motu-stream.o \ motu-proc.o motu-pcm.o motu-midi.o motu-hwdep.o \ - motu-protocol-v2.o + motu-protocol-v2.o motu-protocol-v3.o obj-$(CONFIG_SND_FIREWIRE_MOTU) += snd-firewire-motu.o diff --git a/sound/firewire/motu/amdtp-motu.c b/sound/firewire/motu/amdtp-motu.c index 0930cd8ca2cb..08bd1760b1b4 100644 --- a/sound/firewire/motu/amdtp-motu.c +++ b/sound/firewire/motu/amdtp-motu.c @@ -11,6 +11,7 @@ #include "motu.h" #define CIP_FMT_MOTU 0x02 +#define CIP_FMT_MOTU_TX_V3 0x22 #define MOTU_FDF_AM824 0x22 /* @@ -359,6 +360,17 @@ int amdtp_motu_init(struct amdtp_stream *s, struct fw_unit *unit, if (dir == AMDTP_IN_STREAM) { process_data_blocks = process_tx_data_blocks; + + /* + * Units of version 3 transmits packets with invalid CIP header + * against IEC 61883-1. + */ + if (protocol == &snd_motu_protocol_v3) { + flags |= CIP_WRONG_DBS | + CIP_SKIP_DBC_ZERO_CHECK | + CIP_HEADER_WITHOUT_EOH; + fmt = CIP_FMT_MOTU_TX_V3; + } } else { process_data_blocks = process_rx_data_blocks; flags |= CIP_DBC_IS_END_EVENT; diff --git a/sound/firewire/motu/motu-protocol-v3.c b/sound/firewire/motu/motu-protocol-v3.c new file mode 100644 index 000000000000..b463da99feb1 --- /dev/null +++ b/sound/firewire/motu/motu-protocol-v3.c @@ -0,0 +1,312 @@ +/* + * motu-protocol-v3.c - a part of driver for MOTU FireWire series + * + * Copyright (c) 2015-2017 Takashi Sakamoto <o-takashi@sakamocchi.jp> + * + * Licensed under the terms of the GNU General Public License, version 2. + */ + +#include <linux/delay.h> +#include "motu.h" + +#define V3_CLOCK_STATUS_OFFSET 0x0b14 +#define V3_FETCH_PCM_FRAMES 0x02000000 +#define V3_CLOCK_RATE_MASK 0x0000ff00 +#define V3_CLOCK_RATE_SHIFT 8 +#define V3_CLOCK_SOURCE_MASK 0x000000ff +#define V3_CLOCK_SOURCE_SHIFT 8 + +#define V3_OPT_IFACE_MODE_OFFSET 0x0c94 +#define V3_ENABLE_OPT_IN_IFACE_A 0x00000001 +#define V3_ENABLE_OPT_IN_IFACE_B 0x00000002 +#define V3_ENABLE_OPT_OUT_IFACE_A 0x00000100 +#define V3_ENABLE_OPT_OUT_IFACE_B 0x00000200 +#define V3_NO_ADAT_OPT_IN_IFACE_A 0x00010000 +#define V3_NO_ADAT_OPT_IN_IFACE_B 0x00100000 +#define V3_NO_ADAT_OPT_OUT_IFACE_A 0x00040000 +#define V3_NO_ADAT_OPT_OUT_IFACE_B 0x00400000 + +static int v3_get_clock_rate(struct snd_motu *motu, unsigned int *rate) +{ + __be32 reg; + u32 data; + int err; + + err = snd_motu_transaction_read(motu, V3_CLOCK_STATUS_OFFSET, ®, + sizeof(reg)); + if (err < 0) + return err; + data = be32_to_cpu(reg); + + data = (data & V3_CLOCK_RATE_MASK) >> V3_CLOCK_RATE_SHIFT; + if (data >= ARRAY_SIZE(snd_motu_clock_rates)) + return -EIO; + + *rate = snd_motu_clock_rates[data]; + + return 0; +} + +static int v3_set_clock_rate(struct snd_motu *motu, unsigned int rate) +{ + __be32 reg; + u32 data; + bool need_to_wait; + int i, err; + + for (i = 0; i < ARRAY_SIZE(snd_motu_clock_rates); ++i) { + if (snd_motu_clock_rates[i] == rate) + break; + } + if (i == ARRAY_SIZE(snd_motu_clock_rates)) + return -EINVAL; + + err = snd_motu_transaction_read(motu, V3_CLOCK_STATUS_OFFSET, ®, + sizeof(reg)); + if (err < 0) + return err; + data = be32_to_cpu(reg); + + data &= ~(V3_CLOCK_RATE_MASK | V3_FETCH_PCM_FRAMES); + data |= i << V3_CLOCK_RATE_SHIFT; + + need_to_wait = data != be32_to_cpu(reg); + + reg = cpu_to_be32(data); + err = snd_motu_transaction_write(motu, V3_CLOCK_STATUS_OFFSET, ®, + sizeof(reg)); + if (err < 0) + return err; + + if (need_to_wait) { + /* Cost expensive. */ + if (msleep_interruptible(4000) > 0) + return -EINTR; + } + + return 0; +} + +static int v3_get_clock_source(struct snd_motu *motu, + enum snd_motu_clock_source *src) +{ + __be32 reg; + u32 data; + unsigned int val; + int err; + + err = snd_motu_transaction_read(motu, V3_CLOCK_STATUS_OFFSET, ®, + sizeof(reg)); + if (err < 0) + return err; + data = be32_to_cpu(reg); + + val = (data & V3_CLOCK_SOURCE_MASK) >> V3_CLOCK_SOURCE_SHIFT; + if (val == 0x00) { + *src = SND_MOTU_CLOCK_SOURCE_INTERNAL; + } else if (val == 0x01) { + *src = SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC; + } else if (val == 0x10) { + *src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX; + } else if (val == 0x18 || val == 0x19) { + err = snd_motu_transaction_read(motu, V3_OPT_IFACE_MODE_OFFSET, + ®, sizeof(reg)); + if (err < 0) + return err; + data = be32_to_cpu(reg); + + if (val == 0x18) { + if (data & V3_NO_ADAT_OPT_IN_IFACE_A) + *src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_A; + else + *src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT_A; + } else { + if (data & V3_NO_ADAT_OPT_IN_IFACE_B) + *src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_B; + else + *src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT_B; + } + } else { + *src = SND_MOTU_CLOCK_SOURCE_UNKNOWN; + } + + return 0; +} + +static int v3_switch_fetching_mode(struct snd_motu *motu, bool enable) +{ + __be32 reg; + u32 data; + int err; + + err = snd_motu_transaction_read(motu, V3_CLOCK_STATUS_OFFSET, ®, + sizeof(reg)); + if (err < 0) + return 0; + data = be32_to_cpu(reg); + + if (enable) + data |= V3_FETCH_PCM_FRAMES; + else + data &= ~V3_FETCH_PCM_FRAMES; + + reg = cpu_to_be32(data); + return snd_motu_transaction_write(motu, V3_CLOCK_STATUS_OFFSET, ®, + sizeof(reg)); +} + +static void calculate_fixed_part(struct snd_motu_packet_format *formats, + enum amdtp_stream_direction dir, + enum snd_motu_spec_flags flags, + unsigned char analog_ports) +{ + unsigned char pcm_chunks[3] = {0, 0, 0}; + + formats->msg_chunks = 2; + + pcm_chunks[0] = analog_ports; + pcm_chunks[1] = analog_ports; + if (flags & SND_MOTU_SPEC_SUPPORT_CLOCK_X4) + pcm_chunks[2] = analog_ports; + + if (dir == AMDTP_IN_STREAM) { + if (flags & SND_MOTU_SPEC_TX_MICINST_CHUNK) { + pcm_chunks[0] += 2; + pcm_chunks[1] += 2; + if (flags & SND_MOTU_SPEC_SUPPORT_CLOCK_X4) + pcm_chunks[2] += 2; + } + + if (flags & SND_MOTU_SPEC_TX_RETURN_CHUNK) { + pcm_chunks[0] += 2; + pcm_chunks[1] += 2; + if (flags & SND_MOTU_SPEC_SUPPORT_CLOCK_X4) + pcm_chunks[2] += 2; + } + + if (flags & SND_MOTU_SPEC_TX_REVERB_CHUNK) { + pcm_chunks[0] += 2; + pcm_chunks[1] += 2; + } + } else { + /* + * Packets to v2 units transfer main-out-1/2 and phone-out-1/2. + */ + pcm_chunks[0] += 4; + pcm_chunks[1] += 4; + } + + /* + * At least, packets have two data chunks for S/PDIF on coaxial + * interface. + */ + pcm_chunks[0] += 2; + pcm_chunks[1] += 2; + + /* + * Fixed part consists of PCM chunks multiple of 4, with msg chunks. As + * a result, this part can includes empty data chunks. + */ + formats->fixed_part_pcm_chunks[0] = round_up(2 + pcm_chunks[0], 4) - 2; + formats->fixed_part_pcm_chunks[1] = round_up(2 + pcm_chunks[1], 4) - 2; + if (flags & SND_MOTU_SPEC_SUPPORT_CLOCK_X4) + formats->fixed_part_pcm_chunks[2] = + round_up(2 + pcm_chunks[2], 4) - 2; +} + +static void calculate_differed_part(struct snd_motu_packet_format *formats, + enum snd_motu_spec_flags flags, u32 data, + u32 a_enable_mask, u32 a_no_adat_mask, + u32 b_enable_mask, u32 b_no_adat_mask) +{ + unsigned char pcm_chunks[3] = {0, 0, 0}; + int i; + + if ((flags & SND_MOTU_SPEC_HAS_OPT_IFACE_A) && (data & a_enable_mask)) { + if (data & a_no_adat_mask) { + /* + * Additional two data chunks for S/PDIF on optical + * interface A. This includes empty data chunks. + */ + pcm_chunks[0] += 4; + pcm_chunks[1] += 4; + } else { + /* + * Additional data chunks for ADAT on optical interface + * A. + */ + pcm_chunks[0] += 8; + pcm_chunks[1] += 4; + } + } + + if ((flags & SND_MOTU_SPEC_HAS_OPT_IFACE_B) && (data & b_enable_mask)) { + if (data & b_no_adat_mask) { + /* + * Additional two data chunks for S/PDIF on optical + * interface B. This includes empty data chunks. + */ + pcm_chunks[0] += 4; + pcm_chunks[1] += 4; + } else { + /* + * Additional data chunks for ADAT on optical interface + * B. + */ + pcm_chunks[0] += 8; + pcm_chunks[1] += 4; + } + } + + for (i = 0; i < 3; ++i) { + if (pcm_chunks[i] > 0) + pcm_chunks[i] = round_up(pcm_chunks[i], 4); + + formats->differed_part_pcm_chunks[i] = pcm_chunks[i]; + } +} + +static int v3_cache_packet_formats(struct snd_motu *motu) +{ + __be32 reg; + u32 data; + int err; + + err = snd_motu_transaction_read(motu, V3_OPT_IFACE_MODE_OFFSET, ®, + sizeof(reg)); + if (err < 0) + return err; + data = be32_to_cpu(reg); + + calculate_fixed_part(&motu->tx_packet_formats, AMDTP_IN_STREAM, + motu->spec->flags, motu->spec->analog_in_ports); + calculate_differed_part(&motu->tx_packet_formats, + motu->spec->flags, data, + V3_ENABLE_OPT_IN_IFACE_A, V3_NO_ADAT_OPT_IN_IFACE_A, + V3_ENABLE_OPT_IN_IFACE_B, V3_NO_ADAT_OPT_IN_IFACE_B); + + calculate_fixed_part(&motu->rx_packet_formats, AMDTP_OUT_STREAM, + motu->spec->flags, motu->spec->analog_out_ports); + calculate_differed_part(&motu->rx_packet_formats, + motu->spec->flags, data, + V3_ENABLE_OPT_OUT_IFACE_A, V3_NO_ADAT_OPT_OUT_IFACE_A, + V3_ENABLE_OPT_OUT_IFACE_B, V3_NO_ADAT_OPT_OUT_IFACE_B); + + motu->tx_packet_formats.midi_flag_offset = 8; + motu->tx_packet_formats.midi_byte_offset = 7; + motu->tx_packet_formats.pcm_byte_offset = 10; + + motu->rx_packet_formats.midi_flag_offset = 8; + motu->rx_packet_formats.midi_byte_offset = 7; + motu->rx_packet_formats.pcm_byte_offset = 10; + + return 0; +} + +const struct snd_motu_protocol snd_motu_protocol_v3 = { + .get_clock_rate = v3_get_clock_rate, + .set_clock_rate = v3_set_clock_rate, + .get_clock_source = v3_get_clock_source, + .switch_fetching_mode = v3_switch_fetching_mode, + .cache_packet_formats = v3_cache_packet_formats, +}; diff --git a/sound/firewire/motu/motu.c b/sound/firewire/motu/motu.c index 0acd134125df..bf779cfeef0d 100644 --- a/sound/firewire/motu/motu.c +++ b/sound/firewire/motu/motu.c @@ -203,6 +203,22 @@ static struct snd_motu_spec motu_828mk2 = { .analog_out_ports = 8, }; +static struct snd_motu_spec motu_828mk3 = { + .name = "828mk3", + .protocol = &snd_motu_protocol_v3, + .flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 | + SND_MOTU_SPEC_SUPPORT_CLOCK_X4 | + SND_MOTU_SPEC_TX_MICINST_CHUNK | + SND_MOTU_SPEC_TX_RETURN_CHUNK | + SND_MOTU_SPEC_TX_REVERB_CHUNK | + SND_MOTU_SPEC_HAS_OPT_IFACE_A | + SND_MOTU_SPEC_HAS_OPT_IFACE_B | + SND_MOTU_SPEC_HAS_MIDI, + + .analog_in_ports = 8, + .analog_out_ports = 8, +}; + #define SND_MOTU_DEV_ENTRY(model, data) \ { \ .match_flags = IEEE1394_MATCH_VENDOR_ID | \ @@ -216,6 +232,8 @@ static struct snd_motu_spec motu_828mk2 = { static const struct ieee1394_device_id motu_id_table[] = { SND_MOTU_DEV_ENTRY(0x101800, &motu_828mk2), + SND_MOTU_DEV_ENTRY(0x106800, &motu_828mk3), /* FireWire only. */ + SND_MOTU_DEV_ENTRY(0x100800, &motu_828mk3), /* Hybrid. */ { } }; MODULE_DEVICE_TABLE(ieee1394, motu_id_table); diff --git a/sound/firewire/motu/motu.h b/sound/firewire/motu/motu.h index 29f20a5eff51..8d6a4a3af9cc 100644 --- a/sound/firewire/motu/motu.h +++ b/sound/firewire/motu/motu.h @@ -123,6 +123,7 @@ struct snd_motu_spec { }; extern const struct snd_motu_protocol snd_motu_protocol_v2; +extern const struct snd_motu_protocol snd_motu_protocol_v3; int amdtp_motu_init(struct amdtp_stream *s, struct fw_unit *unit, enum amdtp_stream_direction dir, |