## Input/Output Device Driver Reference

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### Device-Dependent to Device-Independent IDC Interface

The IDC interface provided by the Touch component of the device-dependent- device driver is identical to that provided by a PS/2 Mouse device- dependent-driver, with two exceptions: Enable and Disable device functions do not enable or disable the device at the IRQ level, which would cause the Touch device to be enabled or disabled simultaneously. The Enable and Disable device functions simply stop and start reporting of data to the device-independent driver.

The IDC interface provided by the Touch component of the device-dependent device driver consists of the following functions:

Query Configuration
Enable Read
Disable Write
Enable Device
Disable Device
Set Mouse Emulation State