Evdev

X11 evdev driver

Here are some kludgy hacks for the X11 evdev 1.1.5 driver.

The Griffin Powermate has issues because it's detected as having 17 buttons (16 directions of rotation plus one actual button, apparently.) This patch hardcodes the last button as being the first (button 1):

--- /mnt/other-gentoo/usr/src/xf86-input-evdev-1.1.5/src/evdev_btn.c	2007-11-28 14:50:17.000000000 -0700
+++ src/evdev_btn.c	2007-12-12 16:36:04.000000000 -0700
@@ -161,7 +161,10 @@
     map = Xcalloc (sizeof (CARD8) * (pEvdev->state.btn->buttons + 1));
 
     for (i = 0; i <= pEvdev->state.btn->buttons; i++)
-        map[i] = i;
+            if (i == 19)
+                map[i] = 2;
+            else
+                map[i] = i;
 
     xf86Msg(X_CONFIG, "%s (%d): Registering %d buttons.\n", __FILE__, __LINE__,
 	    pEvdev->state.btn->buttons);
@@ -187,8 +190,8 @@
 	return Success;
 
     blocked = xf86BlockSIGIO ();
-//    for (i = 1; i <= pEvdev->state.btn->buttons; i++)
-	xf86PostButtonEvent (device, 0, 1, 0, 0, 0);
+    for (i = 1; i <= pEvdev->state.btn->buttons; i++)
+	xf86PostButtonEvent (device, 0, i, 0, 0, 0);
     xf86UnblockSIGIO (blocked);
 
     return Success;
@@ -332,7 +335,7 @@
 	state->btn->callback[button](pInfo, button, ev->value);
 
     button = state->btn->map[button];
-    xf86PostButtonEvent (pInfo->dev, 0, 1, ev->value, 0, 0);
+    xf86PostButtonEvent (pInfo->dev, 0, button, ev->value, 0, 0);
 }
 
 int

The Toughbook CF-28 touchscreen's extents are misreported at some level; this patch hardcodes them to values I determined experimentally on one particular machine:

--- /root/xf86-input-evdev-1.1.5/src/evdev_axes.c	2007-12-12 16:34:15.000000000 -0700
+++ xf86-input-evdev-1.1.5/src/evdev_axes.c	2007-11-28 14:37:19.000000000 -0700
@@ -49,7 +49,7 @@
 
 #include <xf86_OSproc.h>
 
-#undef DEBUG
+#define DEBUG 1
 
 static char *rel_axis_names[] = {
     "X",
@@ -232,8 +232,10 @@
 	    xf86Msg(X_ERROR, "ioctl EVIOCGABS (%d) failed: %s\n", i, strerror(errno));
 	    continue;
 	}
-	state->abs->min[state->abs->map[i]] = absinfo.minimum;
-	state->abs->max[state->abs->map[i]] = absinfo.maximum;
+//	state->abs->min[state->abs->map[i]] = absinfo.minimum;
+//	state->abs->max[state->abs->map[i]] = absinfo.maximum;
+	state->abs->min[state->abs->map[i]] = (i == 0 ? 140 : 284);
+	state->abs->max[state->abs->map[i]] = (i == 0 ? 3810 : 3904);
     }
 
 }
@@ -278,10 +280,12 @@
 	int conv_x, conv_y;
 
 	for (i = 0; i < 2; i++)
+	{
+	xf86Msg(X_CONFIG, "scale[%d]: %d.\n", i, state->abs->scale[i]);
 	    state->axes->v[i] = xf86ScaleAxis (state->abs->v[i],
 		    0, state->abs->scale[i],
-		    state->abs->min[i], state->abs->max[i]);
-
+		    (i == 0 ? 140 : 284), (i == 0 ? 3810 : 3904));
+	}
 
 	EvdevConvert (pInfo, 0, 2, state->abs->v[0], state->abs->v[1],
 		0, 0, 0, 0, &conv_x, &conv_y);
@@ -437,8 +441,12 @@
 	    xf86Msg(X_ERROR, "ioctl EVIOCGABS failed: %s\n", strerror(errno));
 	    return !Success;
 	}
-	state->abs->min[state->abs->map[i]] = absinfo.minimum;
-	state->abs->max[state->abs->map[i]] = absinfo.maximum;
+	//state->abs->min[state->abs->map[i]] = absinfo.minimum;
+	//state->abs->max[state->abs->map[i]] = absinfo.maximum;
+
+	state->abs->min[state->abs->map[i]] = (i == 0 ? 140 : 284);
+	state->abs->max[state->abs->map[i]] = (i == 0 ? 3810 : 3904);
+
 
 	j++;
     }
@@ -506,7 +514,9 @@
 	xf86Msg(X_CONFIG, "%s: AbsoluteScreen: %d.\n", pInfo->name, k);
 
 	state->abs->scale[0] = screenInfo.screens[state->abs->screen]->width;
+	xf86Msg(X_CONFIG, "%s: scale[0]: %d.\n", pInfo->name, state->abs->scale[0]);
 	state->abs->scale[1] = screenInfo.screens[state->abs->screen]->height;
+	xf86Msg(X_CONFIG, "%s: scale[1]: %d.\n", pInfo->name, state->abs->scale[1]);
     } else {
 	if (k != -1)
 	    xf86Msg(X_CONFIG, "%s: AbsoluteScreen: %d is not a valid screen.\n", pInfo->name, k);
@@ -683,7 +693,7 @@
         return !Success;
 
     for (i = 0; i < axes; i++) {
-	xf86InitValuatorAxisStruct(device, i, -1, -1, 0, 0, 1);
+	xf86InitValuatorAxisStruct(device, i, 0, -1, 0, 0, 1);
 	xf86InitValuatorDefaults(device, i);
     }