Datasheet 699
Integrated Intel
®
High Definition Audio Controller Registers
17.1.1.35 DEVS—Device Status Register
(Intel
®
High Definition Audio Controller—D27:F0)
Address Offset: 7Ah–7Bh Attribute: RO
Default Value: 0010h Size: 16 bits
17.1.1.36 VCCAP—Virtual Channel Enhanced Capability Header
(Intel
®
High Definition Audio Controller—D27:F0)
Address Offset: 100h–103h Attribute: R/WO
Default Value: 13010002h Size: 32 bits
Bit Description
15:6 Reserved
5
Transactions Pending — RO.
0 = Indicates that completions for all non-posted requests have been received
1 = Indicates that Intel
®
High Definition Audio controller has issued non-posted
requests which have not been completed.
4
AUX Power Detected — RO. Hardwired to 1 indicating the device is connected to
resume power
3 Unsupported Request Detected — RO. Not implemented. Hardwired to 0.
2 Fatal Error Detected — RO. Not implemented. Hardwired to 0.
1 Non-Fatal Error Detected — RO. Not implemented. Hardwired to 0.
0 Correctable Error Detected — RO. Not implemented. Hardwired to 0.
Bit Description
31:20
Next Capability Offset — R/WO. Points to the next capability header.
130h = Root Complex Link Declaration Enhanced Capability Header
000h = Root Complex Link Declaration Enhanced Capability Header is not supported.
19:16
Capability Version — R/WO.
0h =PCI Express Virtual channel capability and the Root Complex Topology Capability
structure are not supported.
1h =PCI Express Virtual channel capability and the Root Complex Topology Capability
structure are supported.
15:0
PCI Express* Extended Capability — R/WO.
0000h =PCI Express Virtual channel capability and the Root Complex Topology
Capability structure are not supported.
0002h =PCI Express Virtual channel capability and the Root Complex Topology
Capability structure are supported.
To Next Page
Loading...