On Fri, 17 May 2019 04:56:22 +0200, Takashi Sakamoto wrote: > > FireStudio was launched by PreSonus 2009. This model consists of three > ICs for its packet processing on IEEE 1394 bus: > > - Texus Instruments TSB41AB2 for physical layer of IEEE 1394 bus > - WaveFront semiconductor, Dice II STD ASIC for link layer of IEEE 1394 > bus and protocol layer > - Xilinx Spartan XG3S500E FPGA for signal processing > > This model don't support TCAT extended application protocol. For such > devices, ALSA dice driver needs to have hard-coded parameters for stream > formats. > > This commit adds hard-coded table for this model. As a result, sampling > transfer frequencies of 88.2/96.0 kHz are supported. I note that this > patch can be backported to Linux kernel v4.18 and later. > > $ python2 crpp < /sys/bus/firewire/devices/fw1/config_rom > ROM header and bus information block > ----------------------------------------------------------------- > 400 04042eda bus_info_length 4, crc_length 4, crc 11994 > 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 000a9204 company_id 000a92 | > 410 023a8b7f device_id 04023a8b7f | EUI-64 000a9204023a8b7f > > root directory > ----------------------------------------------------------------- > 414 000661b6 directory_length 6, crc 25014 > 418 03000a92 vendor > 41c 8100000a --> descriptor leaf at 444 > 420 17000008 model > 424 8100000d --> descriptor leaf at 458 > 428 0c0087c0 node capabilities per IEEE 1394 > 42c d1000001 --> unit directory at 430 > > unit directory at 430 > ----------------------------------------------------------------- > 430 00041c75 directory_length 4, crc 7285 > 434 12000a92 specifier id > 438 13000001 version > 43c 17000008 model > 440 8100000c --> descriptor leaf at 470 > > descriptor leaf at 444 > ----------------------------------------------------------------- > 444 00047c11 leaf_length 4, crc 31761 > 448 00000000 textual descriptor > 44c 00000000 minimal ASCII > 450 50726553 "PreS" > 454 6f6e7573 "onus" > > descriptor leaf at 458 > ----------------------------------------------------------------- > 458 0005d7b3 leaf_length 5, crc 55219 > 45c 00000000 textual descriptor > 460 00000000 minimal ASCII > 464 46495245 "FIRE" > 468 53545544 "STUD" > 46c 494f0000 "IO" > > descriptor leaf at 470 > ----------------------------------------------------------------- > 470 0005d7b3 leaf_length 5, crc 55219 > 474 00000000 textual descriptor > 478 00000000 minimal ASCII > 47c 46495245 "FIRE" > 480 53545544 "STUD" > 484 494f0000 "IO" > > Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx> Applied now. Thanks. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
