alc885-gr Realtek Semiconductor Corporation, alc885-gr Datasheet - Page 78

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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
8.34. Verb – Set GPIO Enable Mask (Verb ID=716h)
8.35. Verb – Get GPIO Direction (Verb ID=F17h)
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 All 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
Node ID=01h
Node ID=01h
Bit [27:20]
Bit [27:20]
Reserved
Reserved
Description
GPIO[7:2] Enable Mask. Not supported in the ALC885
GPIO[1:0] Enable Mask
0: The corresponding GPIO pin is disabled and is in Hi-Z state
1: The corresponding GPIO pin is enabled. Its behavior is determined by the GPIO direction control
Description
0’s
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
Table 76. Verb – Set GPIO Enable Mask (Verb ID=716h)
Table 77. Verb – Get GPIO Direction (Verb ID=F17h)
Verb ID=F17h
Verb ID=716h
Bit [19:8]
Bit [19:8]
Enable Mask [7:0]
Payload Bit [7:0]
Payload Bit [7:0]
70
0’s
Codec Response Format
Codec Response Format
Response [31:0]
Response [31:0]
0’s for all nodes
Direction [7:0]
ALC885 Series
Datasheet
Rev. 1.1