Takashi Sakamoto c0d8b61f93 hwdb: add database entries for models based on DICE ASICs with TCAT specification
TC Applied Technologies designed the series of ASIC for audio and music
data transmission in several types of communication bus. It's named as
Digital Interface Communication Engine (DICE). Four ASICs are known in
the series for IEEE 1394 bus; Dice II, TCD2210 (Dice Jr.), TCD2220 (Dice
Mini), and TCD3070 (DiceIII).

The content of configuration ROM in products based on DICE ASICs is
known against specification defined by 1394 Trading Association.

This commit adds database entries for models without any customization by
vendors. In TCAT specification, The value of GUID field is split to four
parts; 24-bit OUI, 8-bit category, 10-bit product ID, and 22-bit serial
number in the order. In the specification, the value of category field is
fixed to 0x04. The root directory includes leaf entries for vendor and
model names. Although the specifier_id field in unit directory differs
depending on vendors, the version field in unit directory is fixed to
0x000001. ALSA dice driver supports them, but expects userspace
application to control them.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
2021-04-07 11:49:22 +09:00
2021-03-25 10:42:02 +01:00
2021-03-31 10:26:07 +02:00
2019-04-12 08:30:31 +02:00
2021-03-30 13:17:58 +02:00
2019-04-12 08:30:31 +02:00
2021-03-30 22:00:11 +02:00
2021-01-21 20:08:44 +01:00

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