CS4207 Datasheet, PDF (35/144 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp

6.2 Root Node
6.2.1
Vendor and Device ID
Get Parameter Command Format:
Bits [31:28]
CAd = X
Bits [27:20]
Node ID = 00h
Response Format:
Bits
31:16
15:0
Type
Read Only
Read Only
6.2.2
Revision ID
Get Parameter Command Format:
Bits [31:28]
CAd = X
Bits [27:20]
Node ID = 00h
Response Format:
Bits
31:24
23:20
19:16
15:8
Type
Read Only
Read Only
Read Only
Read Only
7:0
Read Only
6.2.3
Subordinate Node Count
Get Parameter Command Format:
Bits [31:28]
Bits [27:20]
CAd = X
Node ID = 00h
Response Format:
Bits
31:24
23:16
15:8
7:0
Type
Read Only
Read Only
Read Only
Read Only
CS4207
Bits [19:8]
Verb ID = F00h
Bits [7:0]
Parameter ID = 00h
Default
1013h
4207h
Description
Vendor ID(VID): Cirrus Logic PCI vendor ID
Device ID
Bits [19:8]
Verb ID = F00h
Bits [7:0]
Parameter ID = 02h
Default
00h
1h
0h
03h
01h
Description
Reserved
Major Revision (MAJREV) of the HDA Spec
Minor Revision (MINREV) of the HDA Spec
CS4207 Revision ID (REVID) - This indicates the
letter rev used for all-layer changes.
01h - rev. A
02h - rev. B
03h - rev. C
CS4207 Stepping ID (SID) - This indicates the
number rev used for metal layer changes.
00h - rev. A0 or rev. B0 or rev. C0
01h - rev. A1 or rev. C1
Bits [19:8]
Verb ID = F00h
Bits [7:0]
Parameter ID = 04h
Default
00h
01h
00h
01h
Description
Reserved
Starting Node Number (SNN)
Reserved
Total Number of Nodes (TNN)
DS880F1
35