307013-003 Datasheet, PDF (732/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Intel® High Definition Audio Controller Registers (D27:F0)
19.2.1
GCAP—Global Capabilities Register
(Intel^® High Definition Audio Controller—D27:F0)
Memory Address:HDBAR + 00h
Default Value: 4401h
Attribute:
Size:
RO
16 bits
19.2.2
Bit
Description
15:12
Number of Output Stream Supported — RO. Hardwired to 0100b indicating that the
Intel^® ICH7 Intel^® High Definition Audio controller supports 4 output streams.
11:8
Number of Input Stream Supported — RO. Hardwired to 0100b indicating that the ICH7
Intel High Definition Audio controller supports 4 input streams.
7:3
Number of Bidirectional Stream Supported — RO. Hardwired to 0 indicating that the
ICH7 Intel High Definition Audio controller supports 0 bidirectional stream.
2 Reserved.
1
Number of Serial Data Out Signals — RO. Hardwired to 0 indicating that the ICH7 Intel
High Definition Audio controller supports 1 serial data output signal.
64-bit Address Supported — RO. Hardwired to 1b indicating that the ICH7 Intel High
0 Definition Audio controller supports 64-bit addressing for BDL addresses, data buffer
addressees, and command buffer addresses.
VMIN—Minor Version Register
(Intel^® High Definition Audio Controller—D27:F0)
Memory Address:HDBAR + 02h
Default Value: 00h
Attribute:
Size:
RO
8 bits
19.2.3
Bit
Description
7:0
Minor Version — RO. Hardwired to 0 indicating that the Intel^® ICH7 supports minor
revision number 00h of the Intel^® High Definition Audio specification.
VMAJ—Major Version Register
(Intel^® High Definition Audio Controller—D27:F0)
Memory Address:HDBAR + 03h
Default Value: 01h
Attribute:
Size:
RO
8 bits
Bit
Description
7:0
Major Version — RO. Hardwired to 01h indicating that the Intel^® ICH7 supports major
revision number 1 of the Intel^® High Definition Audio specification.
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Intel ^® ICH7 Family Datasheet