DragonFly submit List (threaded) for 2006-02
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Make ums(4) present the mouse as a sysmouse type device by default
Hello,
I've ran into problems trying to get all the buttons of my Logitech MX 310 USB
mouse to work on DragonFly 1.4-RELEASE with Xorg 6.9.
I had the following lines in my xorg.conf:
Option "Protocol" "auto"
Option "Device" "/dev/ums0"
and these are the relevant lines of my dmesg:
ums0: Logitech USB-PS/2 Optical Mouse, rev 2.00/18.00, addr 2, iclass 3/1
ums0: 6 buttons and Z dir.
I could only use the first 3 buttons (left, middle and right click). The wheel,
and 3 other buttons didn't work. xev showed that Xorg was receiving no events
when I clicked these buttons or moved the wheel.
Indeed, hexdump /dev/ums0 revealed that the actions performed on the extra
buttons didn't appear correctly in the mouse protocol:
Left-click:
0000000 0083 0000 8700 0000 0000 0083 0000 8700
0000010 0000 0000
0000014
Click with button #4 (left thumb-button, which doesn't work under X):
0000000 0087 0000 8700 0000 0000 0087 0000 8700
0000010 0000 0000
0000014
This protocol uses 5 bytes for one event (so it must be mousesystems ?), and
pressing the button #4 looks like a button release... strange.
The solution I found is to force ums(4) to use the 8-byte SysMouse protocol,
which is able to express the actions on the extra buttons. This is the patch to
apply to /usr/src/sys/dev/usbmisc/ums/ums.c:
diff -uw ums.c.old ums.c
--- ums.c.old 2005-12-11 02:54:09.000000000 +0100
+++ ums.c 2006-02-10 18:33:33.000000000 +0100
@@ -323,22 +323,22 @@
DPRINTF(("ums_attach: size=%d, id=%d\n", sc->sc_isize, sc->sc_iid));
#endif
- if (sc->nbuttons > MOUSE_MSC_MAXBUTTON)
- sc->hw.buttons = MOUSE_MSC_MAXBUTTON;
+ if (sc->nbuttons > MOUSE_SYS_MAXBUTTON)
+ sc->hw.buttons = MOUSE_SYS_MAXBUTTON;
else
sc->hw.buttons = sc->nbuttons;
sc->hw.iftype = MOUSE_IF_USB;
sc->hw.type = MOUSE_MOUSE;
sc->hw.model = MOUSE_MODEL_GENERIC;
sc->hw.hwid = 0;
- sc->mode.protocol = MOUSE_PROTO_MSC;
+ sc->mode.protocol = MOUSE_PROTO_SYSMOUSE;
sc->mode.rate = -1;
sc->mode.resolution = MOUSE_RES_UNKNOWN;
sc->mode.accelfactor = 0;
- sc->mode.level = 0;
- sc->mode.packetsize = MOUSE_MSC_PACKETSIZE;
- sc->mode.syncmask[0] = MOUSE_MSC_SYNCMASK;
- sc->mode.syncmask[1] = MOUSE_MSC_SYNC;
+ sc->mode.level = 1;
+ sc->mode.packetsize = MOUSE_SYS_PACKETSIZE;
+ sc->mode.syncmask[0] = MOUSE_SYS_SYNCMASK;
+ sc->mode.syncmask[1] = MOUSE_SYS_SYNC;
sc->status.flags = 0;
sc->status.button = sc->status.obutton = 0;
Of course, xorg.conf needs to be modified to use this protocol:
Option "Protocol" "sysmouse"
Option "Device" "/dev/ums0"
Now the wheel and the extra buttons (to go back/forward in a browser) all work,
which makes me a happy DFBSD user !
I don't know if this patch is the right way to fix the problem (IIRC, I didn't
manage to fix it using moused), but it works for me, so it may be useful to
someone else.
Regards,
Laurent Sartran
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