High Definition Audio DDI Reference

This section is a technical reference that describes the routines in the three versions of the High Definition (HD) Audio device driver interface (DDI) that the HDAUDIO_BUS_INTERFACE, HDAUDIO_BUS_INTERFACE_V2 and HDAUDIO_BUS_INTERFACE_BDL structures define. It also describes the types of structures that these routines use as parameters.

For more information about the DDI, see High Definition Audio DDI.

Two sets of reference pages are presented:

HD Audio DDI Routines

HD Audio DDI Structures

HD Audio DDI Enumerations