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Kernel drivers

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There exist a number of different kernel drivers that work with Wacom hardware.

Interface Driver Module Name Location
USB wacom.ko wacom Upstream
Bluetooth wacom-hid.ko  ??? Upstream
Serial (ISDv4) wacom_w8001.ko w8001 Upstream
Serial (Protocol 4) wacom_serial.ko  ??? http://cipht.net/2011/07/02/wacom_serial-initial-release.html
Serial (Protocol 5) wacom_serial5.ko  ??? https://github.com/RoaldFre/wacom_serial5
I2C wacom_i2c.ko wacom_i2c Posted to input-wacom mailinglist


Contents

wacom.ko

The wacom.ko kernel driver provides hardware support for Wacom tablets which communicate over USB, including the "Wireless Accessory Kit" dongle.

wacom-hid.ko

The wacom-hid.ko kernel driver provides support for Wacom tablets that communicate over Bluetooth. At the moment, this is limited to the Graphire4 Wireless and the Intuos4 Wireless. Despite the appearance, the "Wireless Accessory Kit" available for use with some Bamboo-series tablets is not a Bluetooth adapter and is handled by the wacom.ko driver.

wacom_w8001.ko

The wacom_w8001.ko kernel driver provides support for Wacom digitizers which communicate over a serial bus and use the ISDv4 protocol. The ISDv4 protocol is used exclusively by digitizers integrated into 3rd-party products (e.g. Tablet PCs). While most ISDv4 digitizers use the serial bus for communication, there are a few which use USB and are handled by wacom.ko.

wacom_serial.ko

The wacom_serial.ko kernel driver provides support for Wacom tablets that communicate over a serial bus and use Protocol IV. This protocol was used by the Digitizer II (UD series), PenPartner, Graphire, and Cintiq series of Wacom serial tablets.

wacom_serial5.ko

The wacom_serial5.ko kernel driver provides support for Wacom tablets that communicate over a serial bus and use Protocol V. This protocol was used by the Intuos and Intuos2 serial tablets.

wacom_i2c.ko

The wacom_i2c.ko kernel driver provides support for Wacom digitizers that communicate over an I2C bus. At present, there is little known hardware that uses this bus. The Samsung Galaxy Note does, but uses a custom kernel driver whose code differs from the patches posted to the input-wacom mailinglist.

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