CS4207 Datasheet, PDF (105/144 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp

CS4207
23:20
19:16
15:12
11:8
7:4
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
3:0
Read/Write
Ah
Default Device (DD): Indicates the intended use
of the connection is for Mic in.
1h
Connection Type (CTYP): Indicates the type of
physical connection is 1/8” jack.
Color (COL): This field indicates the color of the
9h
physical jack for use by software. The color
selected is pink.
0h
Miscellaneous (MISC): No PDC override.
Default Association (DA): This field is used by
software to group Pin Complex (and therefore
jacks) together into functional blocks to support
3h
multichannel operation. All jacks with the same
association number may be assumed to be
grouped together. A value of all ‘0’s is reserved.
A value of all ‘1’s in this field indicates that the
Association has the lowest priority.
1h
Sequence (SEQ): This field indicates the order
of the jacks in the association group.
6.11.14 Amplifier Gain/Mute
Get Parameter Command Format:
Bits [31:28]
CAd = X
Bits [27:20]
Line In 1 Node ID=0Ch
Mic In 1 Node ID=0Dh
Bits [19:8]
Verb ID = Bxxh
Bits [7:0]
Parameter ID = xxh
Bits [19:8] = ‘Bxxxx’, where bits [15:0] are defined below:
Bits [15:0]
15
14
13
12:4
3:0
Value
0b
0b
xb
000000000b
0000b
Description
Get Output/Input (GOI): This bit controls whether the request is for the
input amplifier or the output amplifier. When ‘1’, the output amplifier is
being requested. When ‘0’, the input amplifier is being requested.
‘0’b
Get Left/Right (GLR): This bit controls whether the request is for the
left channel amplifier or the right channel amplifier. When ‘1’, the left
channel amplifier is being requested. When ‘0’, the right channel ampli-
fier is being requested.
Reserved
Index (IDX): This field specifies the input index of the amplifier setting
to return if the widget has multiple input amplifiers. This field has no
meaning and ignored since the widget does not have multiple input
amplifiers. It should be always ‘0’s.
Response Format:
Bits
31:8
7
Type
Read Only
Read Only
6:0
Read Only
Default
000000h
0b
0000000b
Description
Always returned “000000h”
Amplifier Mute (AM): Mute is not supported by
this widget.
Amplifier Gain (AG): This field returns the Gain
setting for the amplifier requested. If the amplifier
requested does not exist, all ‘0’s will be returned.
Default equals 0 dB.
DS880F1
105