svn commit: r208009 - in head/sys/dev/usb: . input

[Andrew Thompson]

Author: thompsa
Date: Wed May 12 22:43:33 2010
New Revision: 208009
URL: http://svn.freebsd.org/changeset/base/208009

Log:
  Enable support for mouse panning wheels.
  
  Submitted by:	Henry Hu

Modified:
  head/sys/dev/usb/input/ums.c
  head/sys/dev/usb/usbhid.h

Modified: head/sys/dev/usb/input/ums.c
==============================================================================
--- head/sys/dev/usb/input/ums.c	Wed May 12 22:42:35 2010	(r208008)
+++ head/sys/dev/usb/input/ums.c	Wed May 12 22:43:33 2010	(r208009)
@@ -286,6 +286,12 @@ ums_intr_callback(struct usb_xfer *xfer,
 			DPRINTFN(6, "x:%d y:%d z:%d t:%d w:%d buttons:0x%08x\n",
 			    dx, dy, dz, dt, dw, buttons);
 
+			/* translate T-axis into button presses until further */
+			if (dt > 0)
+				buttons |= 1UL << 3;
+			else if (dt < 0)
+				buttons |= 1UL << 4;
+
 			sc->sc_status.button = buttons;
 			sc->sc_status.dx += dx;
 			sc->sc_status.dy += dy;
@@ -454,6 +460,12 @@ ums_hid_parse(struct ums_softc *sc, devi
 		if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
 			info->sc_flags |= UMS_FLAG_T_AXIS;
 		}
+	} else if (hid_locate(buf, len, HID_USAGE2(HUP_CONSUMER,
+		HUC_AC_PAN), hid_input, index, &info->sc_loc_t,
+		&flags, &info->sc_iid_t)) {
+
+		if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS)
+			info->sc_flags |= UMS_FLAG_T_AXIS;
 	}
 	/* figure out the number of buttons */
 

Modified: head/sys/dev/usb/usbhid.h
==============================================================================
--- head/sys/dev/usb/usbhid.h	Wed May 12 22:42:35 2010	(r208008)
+++ head/sys/dev/usb/usbhid.h	Wed May 12 22:43:33 2010	(r208009)
@@ -156,6 +156,9 @@ struct usb_hid_descriptor {
 #define	HUD_ERASER		0x0045
 #define	HUD_TABLET_PICK		0x0046
 
+/* Usages, Consumer */
+#define	HUC_AC_PAN		0x0238
+
 #define	HID_USAGE2(p,u) (((p) << 16) | (u))
 
 #define	UHID_INPUT_REPORT 0x01