CS4207 datasheet(44/148 Pages) CIRRUS

44 / 148 page

DS880F4

CS4207

Response Format:

6.3.13

Implementation Identification

This field provides the Board Implementation ID and Assembly ID of the functional group to software. It is a

Read/Write-Once register; BIOS writes to this field to configure the Board Implementation ID and Assembly ID during

the boot process.

Get Parameter Command Format:

Set Parameter Command Format:

Response Format:

6.3.14

Function Reset

Function Reset is an “Execute” verb. There is no physical register associated with the Function Reset.

See “Function Group Reset” section on page 25 for more details.

Set Parameter Command Format:

Bits

Type

Default

Description

31:8

Read Only

000000h

Reserved

7:4

Read Only

GPIO[7:4] Sticky Mask: Not Supported.

3:0

Read/Write

GPIO[3:0] Sticky Mask: Defines GPIO Input

Type (0 = Non-Sticky, 1 = Sticky) when a GPIO

pin is configured as an input. GPIO inputs config-

ured as Sticky are cleared by writing a 0 to the

corresponding bit of the GPIO Data Control

The default value for these bits (0h) is all pins

Non-Sticky. Non implemented GPIO pins always

return 0’s. Sticky is defined as Positive-Edge

sensitive, Non-Sticky as Level sensitive.

Bits [31:28]

Bits [27:20]

Bits [19:8]

Bits [7:0]

CAd = X

Node ID = 01h

Verb ID = F20h

Payload = 00h

Bits [31:28]

Bits [27:20]

Bits [19:8]

Bits [7:0]

CAd = X

Node ID = 01h

Verb ID = 720h

Payload = xxh (IID bits [7:0])

CAd = X

Node ID = 01h

Verb ID = 721h

Payload = xxh (IID bits [15:8])

CAd = X

Node ID = 01h

Verb ID = 722h

Payload = xxh (IID bits [23:16])

CAd = X

Node ID = 01h

Verb ID = 723h

Payload = xxh (IID bits [31:24])

Bits

Type

Default

Description

31:16

Read/Write Once

1013h

Board Manufacturer Identification (BMID):

Contains the PCI Vendor ID of the board manu-

facturer. Preset to Cirrus Logic’s PCI Vendor ID.

15:8

Read/Write Once

42h

Board SKU (BSKU): Assigned by the board

manufacturer to identify the specific board

design. Preset to 42h for Cirrus Logic codecs.

7:0

Read/Write Once

07h

Assembly ID (AssyID): Uniquely identifies the

specific board assembly. Preset to 07h for the

CS4207.

Bits [31:28]

Bits [27:20]

Bits [19:8]

Bits [7:0]

CAd = X

Node ID = 01h

Verb ID = 7FFh

Payload = 00h

CS4207 Datasheet(PDF) 44 Page - Cirrus Logic

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