[alsa-devel] [PATCH 3/3] dice: add support for Alesis MasterControl

[Takashi Iwai]

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 at sakamocchi.jp>

Applied to for-next branch.  Thanks.


Takashi