Most DirectDrive wheelbases are basically DirectInput wheels. In that repository - pidff driver with some changes, which allows most of the direct drive wheels to work

And that's basically it

What devices are supported?

Bases:

MOZA R3, R5, R9, R12, R16, R21
...

What works?

FFB (all effects from device descriptor)
All inputs (wheel axis, buttons)

What does not work?

Telemetry functions (Shift lights, displays, SimHub, etc), mostly because telemetry works only with proprietary soft, which can't get access to shared memory chunks from games.
Firmware Update function. Use Windows PC or Windows VM at the moment.
Setup through proprietary software. May require some tweaking)

How to use this driver?

There's an AUR packege for Arch Linux maintained by @Lawstorant

Alternatively, you can install it through DKMS or manually.

DKMS

Install dkms
Clone repository to /usr/src/universal-pidff
Install the module: sudo dkms install /usr/src/universal-pidff
Update initramfs: sudo update-initramfs -u
Reboot

To remove module: sudo dkms remove universal-ff/<version> --all

Manually

Install linux-headers-$(uname -r)
Clone repository
make
sudo insmod hid-universal-ff.ko

To unload module: sudo rmmod hid_universal_ff

How to set up a base parameters?

MOZA

Boxflat is a Linux Pit House alternative made by @Lawstorant

Android App

Known issues with the driver

Buttons above 80 simply don't show up. This is a Linux limitation and we're trying to fix that in the upstream

Known issues with the firmware

You tell me please

DISCLAIMER

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.