Cirrus Logic CS4207 - Manual (Page 36)

36 DS880F4
CS4207
6.2 Root Node (Node ID = 00h)
6.2.1 Vendor and Device ID
Get Parameter Command Format:
Response Format:
6.2.2 Revision ID
Get Parameter Command Format:
Response Format:
6.2.3 Subordinate Node Count
Get Parameter Command Format:
Response Format:
Bits [31:28] Bits [27:20] Bits [19:8] Bits [7:0]
CAd = X Node ID = 00h Verb ID = F00h Parameter ID = 00h
Bits Type Default Description
31:16 Read Only 1013h
Vendor ID (VID): Cirrus Logic PCI Vendor ID
15:0 Read Only 4207h
Device ID (DID): CS4207 Device ID
Bits [31:28] Bits [27:20] Bits [19:8] Bits [7:0]
CAd = X Node ID = 00h Verb ID = F00h Parameter ID = 02h
Bits Type Default Description
31:24 Read Only 00h Reserved
23:20 Read Only 1h
Major Revision (MAJREV) of the HDA Spec
19:16 Read Only 0h
Minor Revision (MINREV) of the HDA Spec
15:8 Read Only 03h
Revision ID (REVID): This indicates the letter
rev used for all-layer changes.
01h - rev. Ax
02h - rev. Bx
03h - rev. Cx
7:0 Read Only 02h
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
02h - rev. C2
Bits [31:28] Bits [27:20] Bits [19:8] Bits [7:0]
CAd = X Node ID = 00h Verb ID = F00h Parameter ID = 04h
Bits Type Default Description
31:24 Read Only 00h Reserved
23:16 Read Only 01h
Starting Node Number (SNN): 1
15:8 Read Only 00h Reserved
7:0 Read Only 01h
Total Number of Nodes (TNN): 1