I’ve searched the forum and the wiki I just can’t find the drivers, can you help me ?
You can find them here
Have a look here as well, http://mxhaard.free.fr/spca5xx.html
HCL/Web Cameras - openSUSE
Logictech manufacture different cams and firstly, you need to identify the type of the cam. The above openSUSE link lists various categories and just look for your cam in each of those categories. Some old models are (may be out of production) are still not supported but almost all of the new models are supported.