Date: Tue, 17 Aug 2021 13:33:32 +0300 From: Vladimir Kondratyev <wulf@FreeBSD.org> To: Mark Kane <mark@kane.mn> Cc: usb@freebsd.org, hps@selasky.org Subject: Re: eGalax USB touchscreen issues Message-ID: <2091d52f-e7e8-4304-ffcc-4863f2a7e47f@FreeBSD.org> In-Reply-To: <d3f3b2d5b6644de49bcacdc12a0dd503@kane.mn> References: <324d49ca-1c0e-659d-194d-ece4d5f7f5e2@FreeBSD.org> <0ae3fec48e2c351d2c006f4ba4932cd7@kane.mn> <166dd4d4-24cd-c24b-d75e-9a34fa734358@FreeBSD.org> <eccaff2a99153fb44ffa8df3c93d7eb6@kane.mn> <36983ce5-8358-5a04-2377-46067d3c3c79@FreeBSD.org> <c9e68dbb-5382-976d-7302-d816d8636153@FreeBSD.org> <59ba07a0ecbdac36746fe18ea5f0559f@kane.mn> <92c855bf-a73a-bae5-fcdc-c5a88008739b@FreeBSD.org> <5e8cd8d75deff98e8db3352001ce8432@kane.mn> <858ac67e-14e2-730c-4a16-ca218e2c0bee@FreeBSD.org> <ee3c43f89df5dffd0b0dab7393f0c5b5@kane.mn> <168b368c-3258-6416-42c5-a722e45bf14b@FreeBSD.org> <a7e09a33593bc00c7ef525b47efcafa1@kane.mn> <12706f32-be2e-1cda-5d90-53b4e80b0b52@FreeBSD.org> <3bfc252a7ef55b21d5e51c251a518d78@kane.mn> <1c3ebd54-3686-ff5f-d5be-5a42ddcd5469@FreeBSD.org> <d3f3b2d5b6644de49bcacdc12a0dd503@kane.mn>
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On 17.08.2021 01:02, Mark Kane wrote: > On 2021-08-14 07:44, Vladimir Kondratyev wrote: >> On 12.08.2021 06:37, Mark Kane wrote: >> This report descriptor looks good and differs from post 2014 one. It >> belongs to device which uses legacy MS stylus protocol. I attached a >> patch which implements support for it in hpen(4) driver. Also it is >> applicable to post 2014 devices as they have stylus top level collection >> too. >> >>> Touch on this screen fully works on Linux using the binary EETI driver. >>> Could there be something different about the USB controller in some of >>> these screens that is causing the corruption on FreeBSD? If there is any >>> other info to gather from either install I'm happy to. >> >> I do not khow how to debug this issue. May be hselasky can help here. >> >> I can offer a workaround. Simple tool to upload fixed pre-2014 report >> descriptor in to HID core through hidraw(4) interface. >> Just compile it and run using proper /dev/hidraw# device node path as >> parameter: >> # cc -o setrdesc setrdesc.c >> # ./setrdesc /dev/hidraw0 >> >> Don't forget to kldload hidraw.ko before. > > Thanks for the patch and workaround for pre-2014 screens. With these and > a 2012 screen we get event7 and event8 created. Events are heard from > event8 but X has an error adding the input: > > root@freebsd # dmesg | grep hidraw > hidraw0: <eGalax Inc. USB TouchController Raw HID Device> on hidbus0 > hidraw0: no report descriptor > hidraw1: <Lite-On Technology Corp. USB Multimedia Keyboard Raw HID > Device> on hidbus1 > root@freebsd # ./setrdesc /dev/hidraw0 > [here we get console messages about hms0/hpen0 attaching] > > hms0: <eGalax Inc. USB TouchController Tablet> on hidbus0 > hms0: 2 buttons and [XY] coordinates ID=1 > hpen0: <eGalax Inc. USB TouchController Pen> on hidbus0 > > [ 161.110] (EE) event8 - eGalax Inc. USB TouchController Pen: > libinput bug: missing tablet capabilities: btn-stylus resolution. > Ignoring this device. You need resolution quirk in libinput quirks Try to create /usr/local/share/libinput/90-egalax.quirks file with following content: [eGalax] MatchUdevType=tablet MatchVendor=0x0EEF MatchProduct=0x0001 AttrResolutionHint=26x43 -- WBR Vladimir Kondratyevhome | help
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