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4 Programmer’s Reference Manual
Contents
Contents
1Intel
®
High Definition Audio Controller Registers (D27:F0) ....................................................13
1.1 Intel
®
High Definition Audio PCI Configuration Space
(Intel
®
High Definition Audio— D27:F0) .............................................................................13
1.1.1 VID—Vendor Identification Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................15
1.1.2 DID—Device Identification Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................15
1.1.3 PCICMD—PCI Command Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................16
1.1.4 PCISTS—PCI Status Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................17
1.1.5 RID—Revision Identification Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................17
1.1.6 PI—Programming Interface Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................18
1.1.7 SCC—Sub Class Code Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................18
1.1.8 BCC—Base Class Code Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................18
1.1.9 CLS—Cache Line Size Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................18
1.1.10 LT—Latency Timer Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................19
1.1.11 HEADTYP—Header Type Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................19
1.1.12 HDBARL—Intel
®
High Definition Audio Lower Base Address Register
(Intel
®
High Definition Audio—D27:F0) .................................................................19
1.1.13 HDBARU—Intel
®
High Definition Audio Upper Base Address Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................19
1.1.14 SVID—Subsystem Vendor Identification Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................20
1.1.15 SID—Subsystem Identification Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................20
1.1.16 CAPPTR—Capabilities Pointer Register (Audio—D30:F2) ...................................21
1.1.17 INTLN—Interrupt Line Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................21
1.1.18 INTPN—Interrupt Pin Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................21
1.1.19 HDCTL—Intel
®
High Definition Audio Control Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................22
1.1.20 TCSEL—Traffic Class Select Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................23
1.1.21 DCKSTS—Docking Status Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................24
1.1.22 PID—PCI Power Management Capability ID Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................24
1.1.23 PC—Power Management Capabilities Register
(Intel
®
High Definition Audio Controller—D27:F0).................................................25