WM8850 Datasheet, PDF (139/223 Pages) Wolfson Microelectronics plc – Multi-Channel High Definition Audio CODEC

Pre-Production
MIC1 MUX SELECTOR WIDGET (NID = 09H)
GET PARAMETER VERB
Verb ID
Get
F00h
Payload [7:0]
Parameter ID (PID)
Response[31:0]
Parameter Value
WM8850
Audio Widget Capabilities Parameter (PID = 09h)
Bit
[31:24]
[23:20]
[19:16]
[15:12]
[11]
[10]
[9]
[8]
[7]
[6]
[5]
[4]
[3]
[2]
[1]
[0]
Bitfield Name
RW
Rsvd
R
Type
R
Delay
R
Rsvd
R
L-R Swap
R
PowerCntrl
R
Digital
R
Conn List
R
Unsol Capable
R
ProcWidget
R
Stripe
R
Format Override
R
Amp Parameter
R
Override
Out Amp Present R
In Amp Present
R
Stereo
R
Default
00h
3h
0h
0h
0
0
0
1
0
0
0
0
0
0
0
1
Description
Reserved
Indicates that this is an Audio Selector Widget
Latency not reported
Reserved
Left/Right swap capability not supported
Indicates that the Power State Verb is not supported in this widget
Indicates that this widget is translating analogue data
Indicates that a connection list is present
Widget supports Unsolicited Responses
Widget does not have processing capabilities
Widget does not support striping
Widget does not override the format defined for the AFG
Not applicable as this widget does not have amplifier capabilities
Output amplifier is not present in this widget
Input amplifier not present in this widget
Indicates that this is a stereo widget
Connection List Length Parameter (PID = 0Eh)
Bit
[31:8]
[7]
[6:0]
Bitfield Name
Rsvd
Long Form
Connection List
Length
RW Default
R
000000h
R
0
R
02h
Description
Reserved
Indicates that the connection list items are in short form
Indicates that there is 2 NID entries in the connection list
CONNECTION SELECT CONTROL VERB
Verb ID
Get
F01h
Set
701h
Payload [7:0]
00h
Bits [7:0] in the table below
Response[31:0]
Bits [31:0] in the table below
00000000h
Bit
[31:8]
[7:0]
Bitfield Name
Rsvd
Connection
Index
RW
Default Description
R
000000h Reserved
RW
00h
Connection index currently set:
00h = Connection list entry 0
01h = Connection list entry 1
02h-FFh = Reserved
w
PP, April 2011, Rev 3.2
139
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h