Sven M. Hallberg wrote (2022-12-08 14:12 CET): > Marcus Glocker on Sat, Sep 03 2022: > > I have an Wacom One CTL-672, never used it on OpenBSD. > > This is the "Wacom One M", which I also own... > > > Currently it attaches to ums(4). Works fine with that. > > It seems to expose two HIDs, one which reports as a regular "mouse" and > makes it work like a touchpad (relative mode), and a second one (with a > nonsense report descriptor) that can be used for absolute positioning. > > > It also works fine when attaching to uwacom(4), without and with your > > diff. It doesn't seem to require specific 'tsscale' nor > > 'loc_tip_press' settings. > > This does not match my experience; the second device (which uwacom > attaches to) did not produce any events. It appears it needs the call to > uhidev_set_report() of the "One S" code path to switch on. > > Trivial patch below that made it produce events for me. > > I did have to fiddle with xinput(1) to get the scale right. I ended up > putting the following in its InputDevice section in /etc/X11/xorg.conf: > > Option "TransformationMatrix" "0.09 0 0 0 0.08 0 0 0 1" > > I wonder what the correct way is to avoid having to do this. Is it those > tsscale parameters? If so, what's the best way to determine the correct > values?
I don't think the scale values can be read from the device. But you can get them from the linux wacom driver here: https://github.com/linuxwacom/input-wacom/blob/master/4.5/wacom_wac.c#L11 Untested patch below. Best Regards, Stefan diff --git a/sys/dev/usb/uwacom.c b/sys/dev/usb/uwacom.c index f9af276a641..2c4e51b7522 100644 --- a/sys/dev/usb/uwacom.c +++ b/sys/dev/usb/uwacom.c @@ -149,6 +149,11 @@ uwacom_attach(struct device *parent, struct device *self, void *aux) ms->sc_tsscale.maxy = 9500; } + if (uha->uaa->product == USB_PRODUCT_WACOM_ONE_M) { + ms->sc_tsscale.maxx = 21600; + ms->sc_tsscale.maxy = 13500; + } + if (uha->uaa->product == USB_PRODUCT_WACOM_INTUOS_DRAW) { sc->sc_flags = UWACOM_USE_PRESSURE | UWACOM_BIG_ENDIAN; sc->sc_loc_tip_press.pos = 43;
