_EFI_I2C_IO_PROTOCOL Struct Reference


Data Fields

EFI_I2C_IO_PROTOCOL_QUEUE_REQUEST QueueRequest
CONST EFI_GUIDDeviceGuid
UINT32 DeviceIndex
UINT32 HardwareRevision
CONST
EFI_I2C_CONTROLLER_CAPABILITIES
I2cControllerCapabilities

Detailed Description

I2C I/O protocol

Field Documentation

Unique value assigned by the silicon manufacture or the third party I2C driver writer for the I2C part. This value logically combines both the manufacture name and the I2C part number into a single value specified as a GUID.

Unique ID of the I2C part within the system

Hardware revision - ACPI _HRV value. See the Advanced Configuration and Power Interface Specification, Revision 5.0 for the field format and the Plug and play support for I2C web-page for restriction on values.

Pointer to an EFI_I2C_CONTROLLER_CAPABILITIES data structure containing the capabilities of the I2C host controller.

EFI_I2C_IO_PROTOCOL_QUEUE_REQUEST _EFI_I2C_IO_PROTOCOL::QueueRequest

Queue an I2C transaction for execution on the I2C device.


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