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34 Programmer’s Reference Manual
Intel
®
High Definition Audio Controller Registers (D27:F0)
1.1.45 VCiSTS—VCi Resource Status Register
(Intel
®
High Definition Audio Controller—D27:F0)
Address Offset: 126h–127h Attribute: RO
Default Value: 0000h Size: 16 bits
1.1.46 RCCAP—Root Complex Link Declaration Enhanced
Capability Header Register (Intel
®
High Definition Audio
Controller—D27:F0)
Address Offset: 130h–133h Attribute: RO
Default Value: 00010005h Size: 32 bits
1.1.47 ESD—Element Self Description Register
(Intel
®
High Definition Audio Controller—D27:F0)
Address Offset: 134h–137h Attribute: RO
Default Value: 0F000100h Size: 32 bits
Bit Description
15:2 Reserved.
1 VCi Negotiation Pending — RO. Does not apply. Hardwired to 0.
0 Port Arbitration Table Status — RO. Hardwired to 0 since this field is not valid for endpoint devices.
Bit Description
31:20 Next Capability Offset — RO. Hardwired to 0 indicating this is the last capability.
19:16 Capability Version — RO. Hardwired to 1h.
15:0 PCI Express* Extended Capability ID — RO. Hardwired to 0005h.
Bit Description
31:24
Port Number — RO. Hardwired to 0Fh indicating that the Intel
®
High Definition Audio controller is
assigned as Port #15d.
23:16
Component ID — RO. This field returns the value of the ESD.CID field of the chip configuration
section. ESD.CID is programmed by BIOS.
15:8
Number of Link Entries — RO. The Intel High Definition Audio only connects to one device, the ICH7
egress port. Therefore this field reports a value of 1h.
7:4 Reserved.
3:0
Element Type (ELTYP) — RO. The Intel High Definition Audio controller is an integrated Root
Complex Device. Therefore, the field reports a value of 0h.