307013-003 Datasheet, PDF (726/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Intel® High Definition Audio Controller Registers (D27:F0)
19.1.46 VCiSTS—VCi Resource Status Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 126h–127h
Default Value: 0000h
Attribute:
Size:
RO
16 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.
19.1.47 RCCAP—Root Complex Link Declaration Enhanced
Capability Header Register (Intel^® High Definition Audio
Controller—D27:F0) (Desktop and Mobile Only)
Address Offset: 130h–133h
Default Value: 00010005h
Attribute:
Size:
RO
32 bits
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.
19.1.48 ESD—Element Self Description Register
(Intel^® High Definition Audio Controller—D27:F0)
Address Offset: 134h–137h
Default Value: 0F000100h
Attribute:
Size:
RO
32 bits
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 Intel^® 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.
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Intel ^® ICH7 Family Datasheet