WM8850
Pre-Production
STEREO HEADPHONE PLAYBACK............................................................................. 51
DAC1 (NID = 06H)........................................................................................................................................................... 51
PORT-A (NID = 11H)....................................................................................................................................................... 53
STEREO LINE PLAYBACK............................................................................................ 54
DAC2 (NID = 07H) AND DAC3 (NID = 08H).................................................................................................................... 54
PORT-G (NID = 12H) AND PORT-F (NID = 13H) ........................................................................................................... 56
S/PDIF RECEIVE........................................................................................................... 57
S/PDIF IN (NID = 10H) .................................................................................................................................................... 57
S/PDIF RX (NID = 05H)................................................................................................................................................... 60
S/PDIF RECEIVE USING SRC1 ..................................................................................................................................... 63
S/PDIF RECEIVE WITHOUT USING SRC1.................................................................................................................... 63
S/PDIF RECEIVE TO DACS ........................................................................................................................................... 64
S/PDIF TRANSMIT ........................................................................................................ 65
S/PDIF TX 1 (NID = 04H) ................................................................................................................................................ 66
S/PDIF OUT (NID = 0FH) ................................................................................................................................................ 68
S/PDIF TRANSMIT USING SRC2................................................................................................................................... 69
S/PDIF TRANSMIT WITHOUT USING SRC2 ................................................................................................................. 70
S/PDIF TX 2 (NID = 17H) ................................................................................................................................................ 71
ANCILLARY FUNCTIONS.............................................................................................. 73
BEEP (NID = 14H)........................................................................................................................................................... 73
AUDIO FUNCTION GROUP (NID = 01H)........................................................................................................................ 73
UNSOLICITED RESPONSES.............................................................................. 76
GENERATING UNSOLICITED RESPONSES ............................................................... 76
PRIORITY QUEUING ...................................................................................................................................................... 76
IN-QUEUE-UPDATE........................................................................................................................................................ 76
UNSOLICITED RESPONSE TYPES.............................................................................. 78
SF = UNSOLICITED RESPONSE STATUS FLAG ......................................................................................................... 78
UF = UNSOLICITED RESPONSE UPDATE FLAG......................................................................................................... 78
EF = UNSOLICITED RESPONSE EVENT FLAG............................................................................................................ 78
UNSOLICITED RESPONSE DEFINITIONS................................................................... 79
DETAILED VERB DESCRIPTIONS..................................................................... 85
ROOT NODE (NID = 00H) ............................................................................................. 85
AUDIO FUNCTION GROUP (NID = 01H) ...................................................................... 87
FUNCTION RESET VERB............................................................................................................................................... 87
GET PARAMETER VERB ............................................................................................................................................... 87
POWER STATE VERB.................................................................................................................................................... 89
UNSOLICITED RESPONSE VERB................................................................................................................................. 89
GPIO DATA VERB .......................................................................................................................................................... 90
GPIO ENABLE MASK VERB........................................................................................................................................... 90
GPIO DIRECTION VERB ................................................................................................................................................ 90
GPIO WAKE ENABLE MASK VERB............................................................................................................................... 90
GPIO UNSOLICITED ENABLE MASK VERB ................................................................................................................. 91
GPIO STICKY MASK VERB............................................................................................................................................ 91
IMPLEMENTATION ID / SUBSYSTEM ID VERB............................................................................................................ 91
VMID CONTROL VERB (VENDOR SPECIFIC) .............................................................................................................. 92
GPIO AUTOMATIC CONTROL VERB (VENDOR-SPECIFIC)........................................................................................ 92
UNSOLICITED RESPONSE PRIORITY CONTROL VERB (VENDOR-SPECIFIC)........................................................ 92
ADC1 AUDIO INPUT CONVERTER WIDGET (NID = 02H)........................................... 93
STREAM FORMAT VERB............................................................................................................................................... 93
GET PARAMETER VERB ............................................................................................................................................... 94
GET CONNECTION LIST ENTRY VERB........................................................................................................................ 95
PROCESSING STATE VERB ......................................................................................................................................... 96
POWER STATE VERB.................................................................................................................................................... 96
CONVERTER STREAM, CHANNEL VERB .................................................................................................................... 96
UNSOLICITED RESPONSE VERB................................................................................................................................. 97
PP, April 2011, Rev 3.2
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
