On Fri, 06 Sep 2019 14:55:44 +0200, Takashi Sakamoto wrote: > > TASCAM FE-8 is the rest of model in TASCAM FireWire series. This device > has no functionality to process audio signal and MIDI messages. Instead, > it transfers control messages to host system corresponding to operations > for some faders, buttons and knobs on its surface. > > Unlike the other devices in this series, the control messages are > transmitted by asynchronous transactions. Some registers of device are > used for registration of destination address for the transaction. The > transaction includes quadlet-aligned data up to 32 quadlets. > > Userspace applications can receive the transaction and parse it for > control message via Linux FireWire subsystem, without any support by > ALSA firewire-tascam driver. Therefore the driver gives no support > for it. > > This commit removes placeholder for FE-8 and add some comment for its > functionalities as notes. > > $ python2 linux-firewire-utils/src/crpp < ~/git/am-config-rom/tascam/tascam-fe8.img > ROM header and bus information block > ----------------------------------------------------------------- > 400 040f4798 bus_info_length 4, crc_length 15, crc 18328 (should be 14256) > 404 31333934 bus_name "1394" > 408 20ff7002 irmc 0, cmc 0, isc 1, bmc 0, cyc_clk_acc 255, max_rec 7 (256) > 40c 00022eff company_id 00022e | > 410 a094dcb7 device_id ffa094dcb7 | EUI-64 00022effa094dcb7 > > root directory > ----------------------------------------------------------------- > 414 0004bccc directory_length 4, crc 48332 > 418 0300022e 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 0003eda4 directory_length 3, crc 60836 > 42c 1200022e specifier id > 430 13800001 version > 434 d4000004 --> dependent info directory at 444 > > eui-64 leaf at 438 > ----------------------------------------------------------------- > 438 0002461e leaf_length 2, crc 17950 > 43c 00022eff company_id 00022e | > 440 a094dcb7 device_id ffa094dcb7 | EUI-64 00022effa094dcb7 > > dependent info directory at 444 > ----------------------------------------------------------------- > 444 0002ae47 directory_length 2, crc 44615 > 448 81000002 --> descriptor leaf at 450 > 44c 82000006 --> bus dependent info leaf at 464 > > descriptor leaf at 450 > ----------------------------------------------------------------- > 450 0004a79e leaf_length 4, crc 42910 > 454 00000000 textual descriptor > 458 00000000 minimal ASCII > 45c 54415343 "TASC" > 460 414d0000 "AM" > > bus dependent info leaf at 464 > ----------------------------------------------------------------- > 464 0004a7d8 leaf_length 4, crc 42968 > 468 00000000 > 46c 00000000 > 470 46452d38 > 474 00000000 > > Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx> Applied, thanks. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
