alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 80

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alc885-gr

Manufacturer Part Number
alc885-gr
Description
7.1+2 Channel High-performance Hda Codec With Content Protection
Manufacturer
Realtek Semiconductor Corporation
Datasheet

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8.38. Verb – Set GPIO Unsolicited Response Enable Mask
8.39. Verb – Function Reset (Verb ID=7FFh)
7.1+2 Channel High-Performance HDA Codec
With Content Protection
Set Command Format
Bit [31:28]
Codec Response for NID=01h (Audio Function Group)
Note 1: All nodes except the Audio Function Group (NID=01h) will ignore this verb.
Note 2: The unsolicited response of corresponding GPIO is enabled when it’s ‘Enable Mask’ and Verb-‘Unsolicited
Codec Response for Other NID
Command Format (NID=01h)
Bit [31:28]
Codec Response
Note: The Function Reset command causes all widgets in the ALC885 to return to their power on default state.
CAd=X
CAd=X
31:8
31:0
31:0
7:2
1:0
Bit
Bit
Bit
(Verb ID=719h)
Response’ for NID=01h are enabled.
Node ID=01h
Node ID=01h
Table 80. Verb – Set GPIO Unsolicited Response Enable Mask (Verb ID=719h)
Bit [27:20]
Bit [27:20]
Reserved
Reserved. Read as 0’s
Description
GPIO[7:2] Unsolicited Enable Mask. Not supported in the ALC885
GPIO[1:0] Unsolicited Enable Mask
0: Unsolicited response will not be sent on link
1: Unsolicited response will be sent on link when state of corresponding GPIO has been changed
Description
0’s
Description
Verb ID=7FFh
Verb ID=719h
Table 81. Verb – Function Reset (Verb ID=7FFh)
Bit [19:8]
Bit [19:8]
UnsolEnable [7:0]
Payload Bit [7:0]
Payload Bit [7:0]
72
0’s
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
0’s for all nodes
0’s
ALC885 Series
Datasheet
Rev. 1.1