On Mon, 13 Jan 2020 09:46:30 +0100, Takashi Sakamoto wrote: > > Alesis MasterControl was shipped 2009 and already discontinued. This model > consists of: > * TSB41AB2 for physical layer of IEEE 1394 > * WaveFront Dice II STD for link layer and protocol implementation > * FreeScale DSPB56374AE > > Although the firmware of this model can respond against read transaction > to address space for TCAT extension protocol, the content is not valid > for protocol extension. This results in sound card without any PCM/MIDI > interfaces. > > $ ./firewire-request /dev/fw1 read 0xffffe0200000 0x48 > result: 000: 00 00 00 20 00 00 04 94 00 00 04 b4 00 00 00 b4 > result: 010: 00 00 05 68 00 00 00 24 00 00 05 8c 00 00 00 48 > result: 020: 00 00 00 20 00 00 00 08 00 00 00 20 00 00 00 20 > result: 030: 00 00 00 10 00 00 00 08 00 00 00 08 00 00 00 04 > result: 040: 00 00 00 00 00 00 00 00 > > This commit adds support the model by adding hard-coded stream formats. > > $ python3 ~/git/linux-firewire-utils/src/crpp < /sys/bus/firewire/devices/fw1/config_rom > ROM header and bus information block > ----------------------------------------------------------------- > 400 04041ad7 bus_info_length 4, crc_length 4, crc 6871 > 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 00059504 company_id 000595 | Alesis Corporation > 410 008003f5 device_id 04008003f5 | EUI-64 00059504008003f5 > > root directory > ----------------------------------------------------------------- > 414 0006a620 directory_length 6, crc 42528 > 418 03000595 vendor: Alesis Corporation > 41c 8100000a --> descriptor leaf at 444 > 420 17000002 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 00041b9f directory_length 4, crc 7071 > 434 12000595 specifier id: Alesis Corporation > 438 13000001 version: audio > 43c 17000002 model > 440 8100000d --> descriptor leaf at 474 > > descriptor leaf at 444 > ----------------------------------------------------------------- > 444 000494c2 leaf_length 4, crc 38082 > 448 00000000 textual descriptor > 44c 00000000 minimal ASCII > 450 416c6573 "Ales" > 454 69730000 "is" > > descriptor leaf at 458 > ----------------------------------------------------------------- > 458 0006c2ec leaf_length 6, crc 49900 > 45c 00000000 textual descriptor > 460 00000000 minimal ASCII > 464 4d617374 "Mast" > 468 6572436f "erCo" > 46c 6e74726f "ntro" > 470 6c000000 "l" > > descriptor leaf at 474 > ----------------------------------------------------------------- > 474 0006c2ec leaf_length 6, crc 49900 > 478 00000000 textual descriptor > 47c 00000000 minimal ASCII > 480 4d617374 "Mast" > 484 6572436f "erCo" > 488 6e74726f "ntro" > 48c 6c000000 "l" > > Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx> Applied to for-next branch. Thanks. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
