alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 79

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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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8.36. Verb – Set GPIO Direction (Verb ID=717h)
8.37. Verb – Get GPIO Unsolicited Response Enable Mask
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: All nodes except Audio Function Group (NID=01h) will ignore this verb.
Codec Response for Other NID
Get Command Format
Bit [31:28]
Codec Response for NID=01h (Audio Function Group)
Note: All nodes except Audio Function Group (NID=01h) will ignore this verb.
Codec Response for Other NID
CAd=X
CAd=X
31:8
31:0
31:8
31:0
7:2
1:0
7:2
1:0
Bit
Bit
Bit
Bit
(Verb ID=F19h)
Node ID=01h
Node ID=01h
Table 79. Verb – Get GPIO Unsolicited Response Enable Mask (Verb ID=F19h)
Bit [27:20]
Bit [27:20]
Reserved
Reserved
Description
GPIO[7:2] Direction Control. Not supported in the ALC885
GPIO[1:0] Direction Control
0: The corresponding GPIO pin is configured as an input
1: The corresponding GPIO pin is configured as an output
Description
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
Table 78. Verb – Set GPIO Direction (Verb ID=717h)
Verb ID=F19h
Verb ID=717h
Bit [19:8]
Bit [19:8]
Payload Bit [7:0]
Payload Bit [7:0]
Direction [7:0]
71
0’s
Codec Response Format
Codec Response Format
UnsolEnable [7:0]
Response [31:0]
Response [31:0]
0’s for all nodes
ALC885 Series
Datasheet
Rev. 1.1