High Definition Audio Specification Revision 1.0a

High Definition Audio Specification 
Revision 1.0a

High Definition Audio Specification Revision 1.0a

June 17, 2010 Revision History Revision 1.0 1.0a Purpose Initial Release Updated with DCN No: HDA001-A changes. Updated with DCN No: HDA002-A changes. Updated with DCN No: HDA006-A changes. Updated with DCN No: HDA011-A changes. Updated with DCN No: HDA012-A changes. Updated with DCN No: HDA015-B changes. Updated with DCN No: HDA016-A changes. Updated with DCN ...No: HDA017-A changes. Updated with DCN No: HDA019-A changes. Updated with DCN No: HDA022-A changes. Updated with DCN No: HDA024-A changes. Updated with DCN No: HDA034-A2 changes. Updated with DCN No: HDA035-A changes. Updated with DCN No: HDA036-A changes. Updated with DCN No: HDA039-A changes. Updated with DCN No: HDA041-A changes. Updated with DCN No: HDA042-A changes. Errata:  Clarified Input Payload Capability and Output Payload Capability Reset value is implementation specific.  Clarified that Stream Descriptor n FIFO Size must be valid and static after every programming of data format register, as well as when RUN bit is set.  Clarified that Stream Descriptor n BDL Pointer Upper Base Address register attribute is RO if not supporting 64 bit addressing.  Fixed timing error in “Codec Discovery” section that SW should wait for at least 521 us (25 frames) after reading CRST# as „1‟ before accessing codec.  Strongly recommend the default value for EAPD to be „1‟ in “EAPD/BTL Enable” section.  Clarified the codec response expected for double Function Group reset command in D3cold state, but recommended no response for the first Function Group reset of the double Function Group reset command sequence.  Clarified the reset value for FIFOS register is implementation specific.  Clarified UR enable verb for function group node is conditional in the required support for verbs table. Date April 15, 2004 June 17, 2010 Legal Notice THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR ANY PARTICULAR PURPOSE, OR ANY WARRANTY OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. Intel disclaims all liability, including liability for infringement of any proprietary rights, relating to use of information in this specification. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted herein, except that a license is hereby granted to copy and reproduce this specification for internal use only. Intel assumes no responsibility for any errors contained in this document and has no liabilities or obligations for any damages arising from or in connection with the use of this document. Intel may make changes to specifications, product descriptions, and plans at any time, without notice. Intel may have patents or pending patent applications, trademarks, copyrights, or other intellectual property rights that relate to the presented subject matter. The furnishing of documents and other materials and information does not provide any license, express or implied, by estoppel or otherwise, to any such patents, trademarks, copyrights, or other intellectual property rights. *Other names and brands may be claimed as the property of others. Copyright © 2003-2010, Intel Corporation. All rights reserved. Rev. 1.0a High Definition Audio Read the full High Definition Audio Specification Revision 1.0a.