Takashi Sakamoto
1ceb506d63
ALSA: dice: fix stream format parameters for TC Electronic Studio Konnekt 48
...
TC Electronic Studio Konnekt 48 is an application of combination of
WaveFront Dice II STD and TC Applied Technologies (TCAT) TCD2210 (Dice
Mini). The latter is on a board with BNC and optical interfaces, thus
used for signal processing for word clock, S/PDIF and ADAT. This model
doesn't support TCAT extended application protocol. For such devices,
ALSA dice driver needs to have hard-coded parameters for stream formats.
This commit fixes stream format parameters for this model. Unfortunately, at
sampling transmission frequencies over 48.0kHz, I confirmed that current
ALSA dice driver doesn't drive the device appropriately to generate sounds
(silence). I guess that this comes from timestamping quirk of Dice-based
devices, which I reported.
[alsa-devel] Dice packet sequence quirk and ALSA firewire stack in Linux 4.6
http://mailman.alsa-project.org/pipermail/alsa-devel/2016-May/107715.html
$ cd linux-firewire-utils/src
$ python2 crpp < /sys/bus/firewire/devices/fw1/config_rom
ROM header and bus information block
-----------------------------------------------------------------
400 04044a26 bus_info_length 4, crc_length 4, crc 18982
404 31333934 bus_name "1394"
408 e0ff8112 irmc 1, cmc 1, isc 1, bmc 0, pmc 0, cyc_clk_acc 255,
max_rec 8 (512), max_rom 1, gen 1, spd 2 (S400)
40c 00016604 company_id 000166 |
410 08a65810 device_id 0408a65810 | EUI-64 0001660408a65810
root directory
-----------------------------------------------------------------
414 00062ab9 directory_length 6, crc 10937
418 03000166 vendor
41c 8100000a --> descriptor leaf at 444
420 17000022 model
424 8100000f --> descriptor leaf at 460
428 0c0087c0 node capabilities per IEEE 1394
42c d1000001 --> unit directory at 430
unit directory at 430
-----------------------------------------------------------------
430 0004d5c5 directory_length 4, crc 54725
434 12000166 specifier id
438 13000001 version
43c 17000022 model
440 8100000f --> descriptor leaf at 47c
descriptor leaf at 444
-----------------------------------------------------------------
444 0006c490 leaf_length 6, crc 50320
448 00000000 textual descriptor
44c 00000000 minimal ASCII
450 54432045 "TC E"
454 6c656374 "lect"
458 726f6e69 "roni"
45c 63000000 "c"
descriptor leaf at 460
-----------------------------------------------------------------
460 0006e08e leaf_length 6, crc 57486
464 00000000 textual descriptor
468 00000000 minimal ASCII
46c 53747564 "Stud"
470 696f4b6f "ioKo"
474 6e6e656b "nnek"
478 74343800 "t48"
descriptor leaf at 47c
-----------------------------------------------------------------
47c 0006e08e leaf_length 6, crc 57486
480 00000000 textual descriptor
484 00000000 minimal ASCII
488 53747564 "Stud"
48c 696f4b6f "ioKo"
490 6e6e656b "nnek"
494 74343800 "t48"
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-27 08:32:00 +02:00
Takashi Sakamoto
d0aa590962
ALSA: dice: add stream format parameters for TC Electronic Digital Konnekt x32
...
TC Electronic Digital Konnekt x32 is an application of WaveFront DiceII STD
and doesn't support TCAT extended application protocol. For such devices,
ALSA dice driver needs to have hard-coded parameters for stream formats.
This commit adds stream format parameters for this model. Unfortunately, at
sampling transmission frequencies of 88.2/96.0kHz, I confirmed that current
ALSA dice driver doesn't drive the device appropriately due to detecting
packet discontinuities.
$ journalctl
kernel: snd_dice fw1.0: Detect discontinuity of CIP: 90 80
At the frequencies, the device transfers 16 data blocks per packet and 16
data channels per data block, as a result one packet includes 1032 bytes
if it's not NODATA. However, as long as I checked, the device often
postpone packet transmission and continue with truncated payload than
metadata in isochronous packet header. Below is a sample of sequence I got.
sec cycle bytes CIP1 CIP2
37 3314 1032 0x01100090 0x900449E2
37 3315 8 0x011000A0 0x9004FFFF
37 3316 1032 0x011000A0 0x900461E2
37 3317 1032 0x011000B0 0x900475E2
37 3318 1032 0x011000C0 0x900489E2
37 3319 8 0x011000D0 0x9004FFFF
37 3320 1032 0x011000D0 0x9004A1E2
37 3321 1032 0x011000E0 0x9004B5E2
37 3322 1032 0x011000F0 0x9004C9E2
37 3323 8 0x01100000 0x9004FFFF
37 3324 1032 0x01100000 0x9004E1E2
37 3325 1032 0x01100010 0x9004F5E2
37 3326 1032 0x01100020 0x900409E2
37 3327 8 0x01100030 0x9004FFFF
37 3328 1032 0x01100030 0x900421E2
37 3329 1032 0x01100040 0x900435E2
37 3330 (skip)
37 3331 (skip)
37 3332 (skip)
37 3333 (skip)
37 3334 (skip)
37 3335 (skip)
37 3336 (skip)
37 3337 (skip)
37 3338 (skip)
37 3339 (skip)
37 3340 (skip)
37 3341 (skip)
37 3342 (skip)
37 3343 (skip)
37 3344 (skip)
37 3345 (skip)
37 3346 (skip)
37 3347 (skip)
37 3348 (skip)
37 3349 (skip)
37 3350 (skip)
37 3351 (skip)
37 3352 (skip)
37 3353 (skip)
37 3354 (skip)
37 3355 (skip)
37 3356 (skip)
37 3357 (skip)
37 3358 (skip)
37 3359 (skip)
37 3360 (skip)
37 3361 (skip)
37 3362 (skip)
37 3363 (skip)
37 3364 (skip)
37 3365 (skip)
37 3366 (skip)
37 3367 1032 0x01100050 0x900461E1
37 3368 1032 0x01100060 0x900475E1
37 3369 1032 0x01100070 0x9004A1E1
37 3370 1032 0x01100080 0x9004A1E1 but content of payload is truncated.
37 3371 (skip)
37 3371 1032 0x01100080 0x9004B5E0 detect discontinuity
37 3372 1032 0x01100090 0x9004C9E0
37 3373 1032 0x011000A0 0x9004E1E0
37 3374 1032 0x011000B0 0x9004F5E0
37 3375 1032 0x011000C0 0x900409E0
37 3376 1032 0x011000D0 0x900421E0
37 3377 1032 0x011000E0 0x900435E0
37 3378 1032 0x011000F0 0x900449DF
37 3379 8 0x01100000 0x9004FFFF
37 3380 1032 0x01100000 0x900461DF
37 3381 1032 0x01100010 0x900475DF
37 3382 1032 0x01100020 0x900489DF
37 3383 8 0x01100030 0x9004FFFF
37 3384 1032 0x01100030 0x9004A1DF
37 3385 1032 0x01100040 0x9004B5DF
37 3386 1032 0x01100050 0x9004C9DF
37 3387 8 0x01100060 0x9004FFFF
I cannot confirm this quirks with Windows driver. ALSA dice driver has a
cause if assumed differences between these two drivers are ways of
timestampling to RX packets from the drivers to the device. I've already
reported timestamping quirk of Dice-based devices and this might bring
this issue.
[alsa-devel] Dice packet sequence quirk and ALSA firewire stack in Linux 4.6
http://mailman.alsa-project.org/pipermail/alsa-devel/2016-May/107715.html
Well, nevertheless, I enable ALSA dice driver to work at the frequencies.
This may brings inconvenience to users but I expect developers and users
to fix it.
$ cd linux-firewire-utils/src
$ python2 crpp < /sys/bus/firewire/devices/fw1/config_rom
ROM header and bus information block
-----------------------------------------------------------------
400 040423bb bus_info_length 4, crc_length 4, crc 9147
404 31333934 bus_name "1394"
408 e0ff8112 irmc 1, cmc 1, isc 1, bmc 0, pmc 0, cyc_clk_acc 255,
max_rec 8 (512), max_rom 1, gen 1, spd 2 (S400)
40c 00016604 company_id 000166 |
410 0c232c28 device_id 040c232c28 | EUI-64 000166040c232c28
root directory
-----------------------------------------------------------------
414 0006b6cb directory_length 6, crc 46795
418 03000166 vendor
41c 8100000a --> descriptor leaf at 444
420 17000030 model
424 8100000f --> descriptor leaf at 460
428 0c0087c0 node capabilities per IEEE 1394
42c d1000001 --> unit directory at 430
unit directory at 430
-----------------------------------------------------------------
430 000476c2 directory_length 4, crc 30402
434 12000166 specifier id
438 13000001 version
43c 17000030 model
440 81000010 --> descriptor leaf at 480
descriptor leaf at 444
-----------------------------------------------------------------
444 0006c490 leaf_length 6, crc 50320
448 00000000 textual descriptor
44c 00000000 minimal ASCII
450 54432045 "TC E"
454 6c656374 "lect"
458 726f6e69 "roni"
45c 63000000 "c"
descriptor leaf at 460
-----------------------------------------------------------------
460 000772b4 leaf_length 7, crc 29364
464 00000000 textual descriptor
468 00000000 minimal ASCII
46c 44696769 "Digi"
470 74616c4b "talK"
474 6f6e6e65 "onne"
478 6b747833 "ktx3"
47c 32000000 "2"
descriptor leaf at 480
-----------------------------------------------------------------
480 000772b4 leaf_length 7, crc 29364
484 00000000 textual descriptor
488 00000000 minimal ASCII
48c 44696769 "Digi"
490 74616c4b "talK"
494 6f6e6e65 "onne"
498 6b747833 "ktx3"
49c 32000000 "2"
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-21 11:33:37 +02:00
