1. 08 Nov, 2021 1 commit
    • Takashi Sakamoto's avatar
      ALSA: firewire-motu: add support for MOTU Track 16 · 411ac298
      Takashi Sakamoto authored
      Mark of the Unicorn designed Track 16 2011 as one of models in third
      generation of its FireWire series. The model is already discontinued.
      It consists of below ICs:
      
       * Texas Instruments TSB41AB1
       * Microchip (SMSC) USB3300
       * Xilinx Spartan-3A FPGA, XC3S700A
       * Texas Instruments TMS320C6722
       * Microchip (Atmel) AT91SAM SAM7S512
      
      It supports sampling transfer frequency up to 192.0 kHz. The packet
      format differs depending on both of current sampling transfer frequency
      and the type of signal in optical interfaces. The model supports
      transmission of PCM frames as well as MIDI messages.
      
      The model supports command mechanism to configure internal DSP. Hardware
      meter information is available in the first 2 chunks of each data block
      of tx packet.
      
      This commit adds support for it.
      
      $ cd linux-firewire-tools/src
      $ python crpp < /sys/bus/firewire/devices/fw1/config_rom
                     ROM header and bus information block
                     -----------------------------------------------------------------
      400  04107d95  bus_info_length 4, crc_length 16, crc 32149
      404  31333934  bus_name "1394"
      408  20ff7000  irmc 0, cmc 0, isc 1, bmc 0, cyc_clk_acc 255, max_rec 7 (256)
      40c  0001f200  company_id 0001f2     |
      410  000a83c4  device_id 00000a83c4  | EUI-64 0001f200000a83c4
      
                     root directory
                     -----------------------------------------------------------------
      414  0004ef04  directory_length 4, crc 61188
      418  030001f2  vendor
      41c  0c0083c0  node capabilities per IEEE 1394
      420  d1000002  --> unit directory at 428
      424  8d000005  --> eui-64 leaf at 438
      
                     unit directory at 428
                     -----------------------------------------------------------------
      428  00035b04  directory_length 3, crc 23300
      42c  120001f2  specifier id
      430  13000039  version
      434  17102800  model
      
                     eui-64 leaf at 438
                     -----------------------------------------------------------------
      438  0002b25f  leaf_length 2, crc 45663
      43c  0001f200  company_id 0001f2     |
      440  000a83c4  device_id 00000a83c4  | EUI-64 0001f200000a83c4
      Signed-off-by: default avatarTakashi Sakamoto <o-takashi@sakamocchi.jp>
      Link: https://lore.kernel.org/r/20211107110644.23511-1-o-takashi@sakamocchi.jpSigned-off-by: default avatarTakashi Iwai <tiwai@suse.de>
      411ac298
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