alc888s Realtek Semiconductor Corporation, alc888s Datasheet - Page 35

• Manufacturer Part Number: alc888s
• Description: 7.1+2 Channel High Definition Audio Codec With Two Independent S/pdif-out
• Manufacturer: Realtek Semiconductor Corporation

8.
This section describes the Verbs and Parameters supported by various widgets in the ALC888S. If a verb
is not supported by the addressed widget, it will respond with 32 bits of ‘0’.
8.1.
The ‘Get Parameters’ verb is used to get system information and the function capabilities of the HDA
codec. All the parameters are read-only. There are a total of 15 ID parameters defined for each widget.
Some parameters are supported only in a specific widget.
8.1.1.
8.1.2.
7.1+2 Channel High Definition Audio Codec
w/Two Independent S/PDIF-OUT
Get Parameter Command Format
Codec Response Format
Note: The Root Node (NID=00h) supports this parameter.
Codec Response Format
Note: The Root Node (NID=00h in the ALC888S) supports this parameter.
Bit [31:28]
Note: If the parameter ID is not supported, the returned response is 32 bits of ‘0’.
CAd=X
31:16
31:24
23:20
19:16
15:0
15:8
7:0
Bit
Bit
Supported Verbs and Parameters
Verb – Get Parameters (Verb ID=F00h)
Node ID=00h
Parameter – Vendor ID (Verb ID=F00h, Parameter ID=00h)
Parameter – Revision ID (Verb ID=F00h, Parameter ID=02h)
Bit [27:20]
Description
Vendor ID=10ECh (Realtek’s PCI vendor ID)
Device ID=0888h
Description
Reserved. Read as 0’s
MajRev. The major version number (in decimal) of the HDA Spec to which the ALC888S is fully
compliant
MinRev. The minor version number (in decimal) of the HDA Spec to which the ALC888S is fully
compliant
Revision ID. The vendor’s revision number
00h is for ALC888, 01h is for ALC888S.
Stepping ID. The vendor’s stepping number within the given Revision ID
Table 21. Parameter – Revision ID (Verb ID=F00h, Parameter ID=02h)
Table 20. Parameter – Vendor ID (Verb ID=F00h, Parameter ID=00h)
Verb ID=F00h
Table 19. Verb – Get Parameters (Verb ID=F00h)
Bit [19:8]
Parameter ID[7:0]
Payload Bit [7:0]
27
ALC888S & ALC888SDD
Track ID: JATR-1076-21
Codec Response Format
Response [31:0]
32-bit Response
Datasheet
Rev. 1.2