forked from luck/tmp_suning_uos_patched
6c5e1ac0e1
This commit adds support for MOTU Traveler, launched in 2005, discontinued
quite before. As a result, transmission of PCM frame and MIDI messages is
available via ALSA PCM and RawMIDI/Sequencer interfaces.
This model supports sampling transmission frequency up to 192.0 kHz, and
AES/EBU on XLR interface and ADAT on optical interface. Unlike
Motu 828MkII, Windows driver can switch fetching mode for DSP, like
mute/unmute feature.
Although this commit enables high sampling transmission frequency, actual
sound from this model is not good. As long as I tested, it's silence at
176.4 kHz, and it includes hissing noise at 192.0 kHz. In my opinion, as I
reported at 3526ce7f9ba7 ('ALSA: firewire-motu: add MOTU specific protocol
layer'), timestamping on source packet header (SPH) may not still be good
for this model as well.
$ python2 crpp < /sys/bus/firewire/devices/fw1/config_rom
ROM header and bus information block
-----------------------------------------------------------------
400 04106505 bus_info_length 4, crc_length 16, crc 25861
404 31333934 bus_name "1394"
408 20001000 irmc 0, cmc 0, isc 1, bmc 0, cyc_clk_acc 0, max_rec 1 (4)
40c 0001f200 company_id 0001f2 |
410 0001f32f device_id 000001f32f | EUI-64 0001f2000001f32f
root directory
-----------------------------------------------------------------
414 0004c65c directory_length 4, crc 50780
418 030001f2 vendor
41c 0c0083c0 node capabilities per IEEE 1394
420 8d000006 --> eui-64 leaf at 438
424 d1000001 --> unit directory at 428
unit directory at 428
-----------------------------------------------------------------
428 00035955 directory_length 3, crc 22869
42c 120001f2 specifier id
430 13000009 version
434 17107800 model
eui-64 leaf at 438
-----------------------------------------------------------------
438 000206b2 leaf_length 2, crc 1714
43c 0001f200 company_id 0001f2 |
440 0001f32f device_id 000001f32f | EUI-64 0001f2000001f32f
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
269 lines
6.6 KiB
C
269 lines
6.6 KiB
C
/*
|
|
* motu-protocol-v2.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 "motu.h"
|
|
|
|
#define V2_CLOCK_STATUS_OFFSET 0x0b14
|
|
#define V2_CLOCK_RATE_MASK 0x00000038
|
|
#define V2_CLOCK_RATE_SHIFT 3
|
|
#define V2_CLOCK_SRC_MASK 0x00000007
|
|
#define V2_CLOCK_SRC_SHIFT 0
|
|
#define V2_CLOCK_TRAVELER_FETCH_DISABLE 0x04000000
|
|
#define V2_CLOCK_TRAVELER_FETCH_ENABLE 0x03000000
|
|
|
|
#define V2_IN_OUT_CONF_OFFSET 0x0c04
|
|
#define V2_OPT_OUT_IFACE_MASK 0x00000c00
|
|
#define V2_OPT_OUT_IFACE_SHIFT 10
|
|
#define V2_OPT_IN_IFACE_MASK 0x00000300
|
|
#define V2_OPT_IN_IFACE_SHIFT 8
|
|
#define V2_OPT_IFACE_MODE_NONE 0
|
|
#define V2_OPT_IFACE_MODE_ADAT 1
|
|
#define V2_OPT_IFACE_MODE_SPDIF 2
|
|
|
|
static int v2_get_clock_rate(struct snd_motu *motu, unsigned int *rate)
|
|
{
|
|
__be32 reg;
|
|
unsigned int index;
|
|
int err;
|
|
|
|
err = snd_motu_transaction_read(motu, V2_CLOCK_STATUS_OFFSET, ®,
|
|
sizeof(reg));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
index = (be32_to_cpu(reg) & V2_CLOCK_RATE_MASK) >> V2_CLOCK_RATE_SHIFT;
|
|
if (index >= ARRAY_SIZE(snd_motu_clock_rates))
|
|
return -EIO;
|
|
|
|
*rate = snd_motu_clock_rates[index];
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int v2_set_clock_rate(struct snd_motu *motu, unsigned int rate)
|
|
{
|
|
__be32 reg;
|
|
u32 data;
|
|
int i;
|
|
int 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, V2_CLOCK_STATUS_OFFSET, ®,
|
|
sizeof(reg));
|
|
if (err < 0)
|
|
return err;
|
|
data = be32_to_cpu(reg);
|
|
|
|
data &= ~V2_CLOCK_RATE_MASK;
|
|
data |= i << V2_CLOCK_RATE_SHIFT;
|
|
|
|
if (motu->spec == &snd_motu_spec_traveler) {
|
|
data &= ~V2_CLOCK_TRAVELER_FETCH_ENABLE;
|
|
data |= V2_CLOCK_TRAVELER_FETCH_DISABLE;
|
|
}
|
|
|
|
reg = cpu_to_be32(data);
|
|
return snd_motu_transaction_write(motu, V2_CLOCK_STATUS_OFFSET, ®,
|
|
sizeof(reg));
|
|
}
|
|
|
|
static int v2_get_clock_source(struct snd_motu *motu,
|
|
enum snd_motu_clock_source *src)
|
|
{
|
|
__be32 reg;
|
|
unsigned int index;
|
|
int err;
|
|
|
|
err = snd_motu_transaction_read(motu, V2_CLOCK_STATUS_OFFSET, ®,
|
|
sizeof(reg));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
index = be32_to_cpu(reg) & V2_CLOCK_SRC_MASK;
|
|
if (index > 5)
|
|
return -EIO;
|
|
|
|
/* To check the configuration of optical interface. */
|
|
err = snd_motu_transaction_read(motu, V2_IN_OUT_CONF_OFFSET, ®,
|
|
sizeof(reg));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
switch (index) {
|
|
case 0:
|
|
*src = SND_MOTU_CLOCK_SOURCE_INTERNAL;
|
|
break;
|
|
case 1:
|
|
if (be32_to_cpu(reg) & 0x00000200)
|
|
*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT;
|
|
else
|
|
*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT;
|
|
break;
|
|
case 2:
|
|
*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX;
|
|
break;
|
|
case 4:
|
|
*src = SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC;
|
|
break;
|
|
case 5:
|
|
*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_DSUB;
|
|
break;
|
|
default:
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int v2_switch_fetching_mode(struct snd_motu *motu, bool enable)
|
|
{
|
|
__be32 reg;
|
|
u32 data;
|
|
int err = 0;
|
|
|
|
if (motu->spec == &snd_motu_spec_traveler) {
|
|
err = snd_motu_transaction_read(motu, V2_CLOCK_STATUS_OFFSET,
|
|
®, sizeof(reg));
|
|
if (err < 0)
|
|
return err;
|
|
data = be32_to_cpu(reg);
|
|
|
|
data &= ~(V2_CLOCK_TRAVELER_FETCH_DISABLE |
|
|
V2_CLOCK_TRAVELER_FETCH_ENABLE);
|
|
|
|
if (enable)
|
|
data |= V2_CLOCK_TRAVELER_FETCH_ENABLE;
|
|
else
|
|
data |= V2_CLOCK_TRAVELER_FETCH_DISABLE;
|
|
|
|
reg = cpu_to_be32(data);
|
|
err = snd_motu_transaction_write(motu, V2_CLOCK_STATUS_OFFSET,
|
|
®, sizeof(reg));
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
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_TX_RETURN_CHUNK) {
|
|
pcm_chunks[0] += 2;
|
|
pcm_chunks[1] += 2;
|
|
}
|
|
} else {
|
|
if (flags & SND_MOTU_SPEC_RX_SEPARETED_MAIN) {
|
|
pcm_chunks[0] += 2;
|
|
pcm_chunks[1] += 2;
|
|
}
|
|
|
|
// Packets to v2 units include 2 chunks for phone 1/2, except
|
|
// for 176.4/192.0 kHz.
|
|
pcm_chunks[0] += 2;
|
|
pcm_chunks[1] += 2;
|
|
}
|
|
|
|
if (flags & SND_MOTU_SPEC_HAS_AESEBU_IFACE) {
|
|
pcm_chunks[0] += 2;
|
|
pcm_chunks[1] += 2;
|
|
}
|
|
|
|
/*
|
|
* All of v2 models have a pair of coaxial interfaces for digital in/out
|
|
* port. At 44.1/48.0/88.2/96.0 kHz, packets includes PCM from these
|
|
* ports.
|
|
*/
|
|
pcm_chunks[0] += 2;
|
|
pcm_chunks[1] += 2;
|
|
|
|
formats->fixed_part_pcm_chunks[0] = pcm_chunks[0];
|
|
formats->fixed_part_pcm_chunks[1] = pcm_chunks[1];
|
|
formats->fixed_part_pcm_chunks[2] = pcm_chunks[2];
|
|
}
|
|
|
|
static void calculate_differed_part(struct snd_motu_packet_format *formats,
|
|
enum snd_motu_spec_flags flags,
|
|
u32 data, u32 mask, u32 shift)
|
|
{
|
|
unsigned char pcm_chunks[2] = {0, 0};
|
|
|
|
/*
|
|
* When optical interfaces are configured for S/PDIF (TOSLINK),
|
|
* the above PCM frames come from them, instead of coaxial
|
|
* interfaces.
|
|
*/
|
|
data = (data & mask) >> shift;
|
|
if ((flags & SND_MOTU_SPEC_HAS_OPT_IFACE_A) &&
|
|
data == V2_OPT_IFACE_MODE_ADAT) {
|
|
pcm_chunks[0] += 8;
|
|
pcm_chunks[1] += 4;
|
|
}
|
|
|
|
/* At mode x4, no data chunks are supported in this part. */
|
|
formats->differed_part_pcm_chunks[0] = pcm_chunks[0];
|
|
formats->differed_part_pcm_chunks[1] = pcm_chunks[1];
|
|
}
|
|
|
|
static int v2_cache_packet_formats(struct snd_motu *motu)
|
|
{
|
|
__be32 reg;
|
|
u32 data;
|
|
int err;
|
|
|
|
err = snd_motu_transaction_read(motu, V2_IN_OUT_CONF_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, V2_OPT_IN_IFACE_MASK, V2_OPT_IN_IFACE_SHIFT);
|
|
|
|
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, V2_OPT_OUT_IFACE_MASK, V2_OPT_OUT_IFACE_SHIFT);
|
|
|
|
motu->tx_packet_formats.pcm_byte_offset = 10;
|
|
motu->rx_packet_formats.pcm_byte_offset = 10;
|
|
|
|
return 0;
|
|
}
|
|
|
|
const struct snd_motu_protocol snd_motu_protocol_v2 = {
|
|
.get_clock_rate = v2_get_clock_rate,
|
|
.set_clock_rate = v2_set_clock_rate,
|
|
.get_clock_source = v2_get_clock_source,
|
|
.switch_fetching_mode = v2_switch_fetching_mode,
|
|
.cache_packet_formats = v2_cache_packet_formats,
|
|
};
|