evdev 2.3.2

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

.gitignore

@@ -1,78 +1,28 @@
-#
-#		X.Org module default exclusion patterns
-#		The next section if for module specific patterns
-#
-#	Do not edit the following section
-# 	GNU Build System (Autotools)
-aclocal.m4
-autom4te.cache/
-autoscan.log
+*.patch
 ChangeLog
-compile
+Makefile
+Makefile.in
+aclocal.m4
+autom4te.cache
 config.guess
 config.h
 config.h.in
 config.log
-config-ml.in
-config.py
 config.status
-config.status.lineno
 config.sub
 configure
-configure.scan
 depcomp
-.deps/
-INSTALL
 install-sh
-.libs/
 libtool
-libtool.m4
 ltmain.sh
-lt~obsolete.m4
-ltoptions.m4
-ltsugar.m4
-ltversion.m4
-Makefile
-Makefile.in
-mdate-sh
+man/evdev.4
 missing
-mkinstalldirs
+.deps
+.libs
+*.lo
+*.la
+stamp-h1
+xf86-input-evdev-*.tar.*
 *.pc
-py-compile
-stamp-h?
-symlink-tree
-texinfo.tex
-ylwrap
-
-#	Do not edit the following section
-# 	Edit Compile Debug Document Distribute
 *~
-*.[0-9]
-*.[0-9]x
-*.bak
-*.bin
-core
-*.dll
-*.exe
-*-ISO*.bdf
-*-JIS*.bdf
-*-KOI8*.bdf
-*.kld
-*.ko
-*.ko.cmd
-*.lai
-*.l[oa]
-*.[oa]
-*.obj
-*.patch
-*.so
-*.pcf.gz
-*.pdb
-*.tar.bz2
-*.tar.gz
-#
-#		Add & Override patterns for xf86-input-evdev 
-#
-#		Edit the following section as needed
-# For example, !report.pc overrides *.pc. See 'man gitignore'
-# 
+tags

COPYING

@@ -23,24 +23,27 @@ CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 
-Permission is hereby granted, free of charge, to any person obtaining a
-copy of this software and associated documentation files (the "Software"),
-to deal in the Software without restriction, including without limitation
-the rights to use, copy, modify, merge, publish, distribute, sublicense,
-and/or sell copies of the Software, and to permit persons to whom the
-Software is furnished to do so, subject to the following conditions:
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
 
-The above copyright notice and this permission notice (including the next
-paragraph) shall be included in all copies or substantial portions of the
-Software.
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
-THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the copyright holders shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from the copyright holders.
 
 Copyright © 2008 University of South Australia
 copyrights taken from xf86-input-mouse, partly valid for this driver.

Makefile.am

@@ -18,23 +18,23 @@
 #  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 #  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+AUTOMAKE_OPTIONS = foreign
 
 # Ensure headers are installed below $(prefix) for distcheck
 DISTCHECK_CONFIGURE_FLAGS = --with-sdkdir='$${includedir}/xorg'
 
 SUBDIRS = src man include
-MAINTAINERCLEANFILES = ChangeLog INSTALL
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = xorg-evdev.pc
 
+EXTRA_DIST = ChangeLog
 
-.PHONY: ChangeLog INSTALL
+MAINTAINERCLEANFILES=ChangeLog
 
-INSTALL:
-	$(INSTALL_CMD)
+.PHONY: ChangeLog
 
 ChangeLog:
 	$(CHANGELOG_CMD)
 
-dist-hook: ChangeLog INSTALL
+dist-hook: ChangeLog

configure.ac

@@ -22,28 +22,26 @@
 
 AC_PREREQ(2.57)
 AC_INIT([xf86-input-evdev],
-        2.4.0,
+        2.3.2,
         [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg],
         xf86-input-evdev)
 
 AC_CONFIG_SRCDIR([Makefile.am])
 AC_CONFIG_AUX_DIR(.)
-AM_INIT_AUTOMAKE([foreign dist-bzip2])
+AM_INIT_AUTOMAKE([dist-bzip2])
 
 AM_MAINTAINER_MODE
 
 # Require xorg-macros: XORG_DEFAULT_OPTIONS
-m4_ifndef([XORG_MACROS_VERSION], 
-          [m4_fatal([must install xorg-macros 1.3 or later before running autoconf/autogen])])
+m4_ifndef([XORG_MACROS_VERSION], [AC_FATAL([must install xorg-macros 1.3 or later before running autoconf/autogen])])
 XORG_MACROS_VERSION(1.3)
-XORG_DEFAULT_OPTIONS
-
 AM_CONFIG_HEADER([config.h])
 
 # Checks for programs.
 AC_DISABLE_STATIC
 AC_PROG_LIBTOOL
 AC_PROG_CC
+XORG_DEFAULT_OPTIONS
 
 AH_TOP([#include "xorg-server.h"])
 
@@ -55,13 +53,10 @@ AC_ARG_WITH(xorg-module-dir,
 inputdir=${moduledir}/input
 AC_SUBST(inputdir)
 
-# Checks for extensions
-XORG_DRIVER_CHECK_EXT(XINPUT, inputproto)
-
 # Checks for pkg-config packages. We need to be able to override sdkdir
 # to satisfy silly distcheck requirements.
 PKG_CHECK_MODULES(XORG, xorg-server xproto $REQUIRED_MODULES)
-
+XORG_CFLAGS="$CWARNFLAGS $XORG_CFLAGS"
 AC_ARG_WITH([sdkdir], [],
     [sdkdir="$withval"],
     [sdkdir=`$PKG_CONFIG --variable=sdkdir xorg-server`])

include/evdev-properties.h

@@ -56,7 +56,7 @@
 
 /* Reopen attempts. */
 /* CARD8 */
-#define EVDEV_PROP_REOPEN "Evdev Reopen Attempts" /* OBSOLETE */
+#define EVDEV_PROP_REOPEN "Evdev Reopen Attempts"
 
 /* Run-time calibration */
 /* CARD32, 4 values [minx, maxx, miny, maxy], or no values for unset */

man/Makefile.am

@@ -1,23 +1,26 @@
 # Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
-#
-# Permission is hereby granted, free of charge, to any person obtaining a
-# copy of this software and associated documentation files (the "Software"),
-# to deal in the Software without restriction, including without limitation
-# the rights to use, copy, modify, merge, publish, distribute, sublicense,
-# and/or sell copies of the Software, and to permit persons to whom the
-# Software is furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice (including the next
-# paragraph) shall be included in all copies or substantial portions of the
-# Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
-# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-# DEALINGS IN THE SOFTWARE.
+# 
+# Permission to use, copy, modify, distribute, and sell this software and its
+# documentation for any purpose is hereby granted without fee, provided that
+# the above copyright notice appear in all copies and that both that
+# copyright notice and this permission notice appear in supporting
+# documentation.
+# 
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+# 
+# Except as contained in this notice, the name of the copyright holders shall
+# not be used in advertising or otherwise to promote the sale, use or
+# other dealings in this Software without prior written authorization
+# from the copyright holders.
 # 
 
 drivermandir = $(DRIVER_MAN_DIR)

man/evdev.man

@@ -76,15 +76,13 @@ indicating that the next button pressed is to be
 .BI "Option \*qEmulate3Buttons\*q \*q" boolean \*q
 Enable/disable the emulation of the third (middle) mouse button for mice
 which only have two physical buttons.  The third button is emulated by
-pressing both buttons simultaneously.  Default: off for touchscreens, otherwise
-on until a middle mouse button event is registered. Property: "Evdev Middle
-Button Emulation".
+pressing both buttons simultaneously.  Default: on, until a middle mouse
+button event is registered. Property: "Evdev Middle Button Emulation".
 .TP 7
 .BI "Option \*qEmulate3Timeout\*q \*q" integer \*q
 Sets the timeout (in milliseconds) that the driver waits before deciding
 if two buttons where pressed "simultaneously" when 3 button emulation is
 enabled.  Default: 50. Property: "Evdev Middle Button Timeout".
-.TP 7
 .BI "Option \*qEmulateWheel\*q \*q" boolean \*q
 Enable/disable "wheel" emulation.  Wheel emulation means emulating button
 press/release events when the mouse is moved while a specific real button
@@ -153,6 +151,10 @@ axes regardless of the presence of other axes. This may trigger buggy
 behavior and events from this axis are always forwarded. Users are
 discouraged from setting this option.
 .TP 7
+.BI "Option \*qReopenAttempts\*q \*q" integer \*q
+Number of reopen attempts after a read error occurs on the device (e.g. after
+waking up from suspend). In between each attempt is a 100ms wait. Default: 10.
+.TP 7
 .BI "Option \*qCalibration\*q \*q" "min-x max-x min-y max-y" \*q
 Calibrates the X and Y axes for devices that need to scale to a different
 coordinate system than reported to the X server. This feature is required
@@ -161,11 +163,6 @@ originally reported by the kernel (e.g. touchscreens). The scaling to the
 custom coordinate system is done in-driver and the X server is unaware of
 the transformation. Property: "Evdev Axis Calibration".
 .TP 7
-.B Option \*qMode\*q \*qRelative\*q\fP|\fP\*qAbsolute\*q
-Sets the mode of the device if device has absolute axes.
-The default value for touchpads is relative, for other absolute.
-This option has no effect on devices without absolute axes.
-.TP 7
 .BI "Option \*qSwapAxes\*q \*q" Bool \*q
 Swap x/y axes. Default: off. Property: "Evdev Axes Swap".
 .TP 7

src/Makefile.am

@@ -24,8 +24,7 @@
 # -avoid-version prevents gratuitous .0.0.0 version numbers on the end
 # _ladir passes a dummy rpath to libtool so the thing will actually link
 # TODO: -nostdlib/-Bstatic/-lgcc platform magic, not installing the .a, etc.
-
-AM_CFLAGS = $(XORG_CFLAGS) $(CWARNFLAGS)
+AM_CFLAGS = $(XORG_CFLAGS)
 
 @DRIVER_NAME@_drv_la_LTLIBRARIES = @DRIVER_NAME@_drv.la
 @DRIVER_NAME@_drv_la_LDFLAGS = -module -avoid-version

src/emuMB.c

@@ -309,11 +309,7 @@ void
 EvdevMBEmuPreInit(InputInfoPtr pInfo)
 {
     EvdevPtr pEvdev = (EvdevPtr)pInfo->private;
-
-    if (pEvdev->flags & EVDEV_TOUCHSCREEN)
-        pEvdev->emulateMB.enabled = MBEMU_DISABLED;
-    else
-        pEvdev->emulateMB.enabled = MBEMU_AUTO;
+    pEvdev->emulateMB.enabled = MBEMU_AUTO;
 
     if (xf86FindOption(pInfo->options, "Emulate3Buttons"))
     {

src/emuWheel.c

@@ -100,7 +100,6 @@ EvdevWheelEmuFilterMotion(InputInfoPtr pInfo, struct input_event *pEv)
     EvdevPtr pEvdev = (EvdevPtr)pInfo->private;
     WheelAxisPtr pAxis = NULL, pOtherAxis = NULL;
     int value = pEv->value;
-    int oldValue;
 
     /* Has wheel emulation been configured to be enabled? */
     if (!pEvdev->emulateWheel.enabled)
@@ -119,21 +118,12 @@ EvdevWheelEmuFilterMotion(InputInfoPtr pInfo, struct input_event *pEv)
         }
 
 	/* We don't want to intercept real mouse wheel events */
-	if(pEv->type == EV_ABS) {
-	    oldValue = pEvdev->vals[pEvdev->axis_map[pEv->code]];
-	    pEvdev->vals[pEvdev->axis_map[pEv->code]] = value;
-	    value -= oldValue; /* make value into a differential measurement */
-	}
-
 	switch(pEv->code) {
-
-	/* ABS_X has the same value as REL_X, so this case catches both */
 	case REL_X:
 	    pAxis = &(pEvdev->emulateWheel.X);
 	    pOtherAxis = &(pEvdev->emulateWheel.Y);
 	    break;
 
-	/* ABS_Y has the same value as REL_Y, so this case catches both */
 	case REL_Y:
 	    pAxis = &(pEvdev->emulateWheel.Y);
 	    pOtherAxis = &(pEvdev->emulateWheel.X);
@@ -143,11 +133,11 @@ EvdevWheelEmuFilterMotion(InputInfoPtr pInfo, struct input_event *pEv)
 	    break;
 	}
 
-	/* If we found REL_X, REL_Y, ABS_X or ABS_Y then emulate a mouse
-	   wheel.  Reset the inertia of the other axis when a scroll event
-	   was sent to avoid the buildup of erroneous scroll events if the
-	   user doesn't move in a perfectly straight line.
-	 */
+	/* If we found REL_X or REL_Y, emulate a mouse wheel.
+           Reset the inertia of the other axis when a scroll event was sent
+           to avoid the buildup of erroneous scroll events if the user
+           doesn't move in a perfectly straight line.
+         */
 	if (pAxis)
 	{
 	    if (EvdevWheelEmuInertia(pInfo, pAxis, value))

src/evdev.c

@@ -32,7 +32,6 @@
 #endif
 
 #include <X11/keysym.h>
-#include <X11/extensions/XI.h>
 
 #include <sys/stat.h>
 #include <unistd.h>
@@ -81,6 +80,19 @@
 
 #define ArrayLength(a) (sizeof(a) / (sizeof((a)[0])))
 
+/* evdev flags */
+#define EVDEV_KEYBOARD_EVENTS	(1 << 0)
+#define EVDEV_BUTTON_EVENTS	(1 << 1)
+#define EVDEV_RELATIVE_EVENTS	(1 << 2)
+#define EVDEV_ABSOLUTE_EVENTS	(1 << 3)
+#define EVDEV_TOUCHPAD		(1 << 4)
+#define EVDEV_INITIALIZED	(1 << 5) /* WheelInit etc. called already? */
+#define EVDEV_TOUCHSCREEN	(1 << 6)
+#define EVDEV_CALIBRATED	(1 << 7) /* run-time calibrated? */
+#define EVDEV_TABLET		(1 << 8) /* device looks like a tablet? */
+#define EVDEV_UNIGNORE_ABSOLUTE (1 << 9) /* explicitly unignore abs axes */
+#define EVDEV_UNIGNORE_RELATIVE (1 << 10) /* explicitly unignore rel axes */
+
 #define MIN_KEYCODE 8
 #define GLYPHS_PER_KEY 2
 #define AltMask		Mod1Mask
@@ -105,7 +117,6 @@ static const char *evdevDefaults[] = {
 static int EvdevOn(DeviceIntPtr);
 static int EvdevCacheCompare(InputInfoPtr pInfo, BOOL compare);
 static void EvdevKbdCtrl(DeviceIntPtr device, KeybdCtrl *ctrl);
-static int EvdevSwitchMode(ClientPtr client, DeviceIntPtr device, int mode);
 
 #ifdef HAVE_PROPERTIES
 static void EvdevInitAxesLabels(EvdevPtr pEvdev, int natoms, Atom *atoms);
@@ -114,6 +125,7 @@ static void EvdevInitProperty(DeviceIntPtr dev);
 static int EvdevSetProperty(DeviceIntPtr dev, Atom atom,
                             XIPropertyValuePtr val, BOOL checkonly);
 static Atom prop_invert = 0;
+static Atom prop_reopen = 0;
 static Atom prop_calibration = 0;
 static Atom prop_swap = 0;
 static Atom prop_axis_label = 0;
@@ -125,38 +137,6 @@ static Atom prop_btn_label = 0;
  * cannot be used by evdev, leaving us with a space of 2 at the end. */
 static EvdevPtr evdev_devices[MAXDEVICES] = {NULL};
 
-static int EvdevSwitchMode(ClientPtr client, DeviceIntPtr device, int mode)
-{
-    InputInfoPtr pInfo;
-    EvdevPtr pEvdev;
-
-    pInfo = device->public.devicePrivate;
-    pEvdev = pInfo->private;
-
-    if (pEvdev->flags & EVDEV_RELATIVE_EVENTS)
-    {
-        if (mode == Relative)
-            return Success;
-        else
-            return XI_BadMode;
-    }
-
-    switch (mode) {
-        case Absolute:
-            pEvdev->flags &= ~EVDEV_RELATIVE_MODE;
-            break;
-
-        case Relative:
-            pEvdev->flags |= EVDEV_RELATIVE_MODE;
-            break;
-
-        default:
-            return XI_BadMode;
-    }
-
-    return Success;
-}
-
 static size_t CountBits(unsigned long *array, size_t nlongs)
 {
     unsigned int i;
@@ -276,6 +256,7 @@ void
 EvdevQueueKbdEvent(InputInfoPtr pInfo, struct input_event *ev, int value)
 {
     int code = ev->code + MIN_KEYCODE;
+    static char warned[KEY_CNT];
     EventQueuePtr pQueue;
     EvdevPtr pEvdev = pInfo->private;
 
@@ -293,6 +274,19 @@ EvdevQueueKbdEvent(InputInfoPtr pInfo, struct input_event *ev, int value)
             )
 	return;
 
+    if (code > 255)
+    {
+        if (ev->code <= KEY_MAX && !warned[ev->code])
+        {
+            xf86Msg(X_WARNING, "%s: unable to handle keycode %d\n",
+                    pInfo->name, ev->code);
+            warned[ev->code] = 1;
+        }
+
+        /* The X server can't handle keycodes > 255. */
+        return;
+    }
+
     if (pEvdev->num_queue >= EVDEV_MAXQUEUE)
     {
         xf86Msg(X_NONE, "%s: dropping event due to full queue!\n", pInfo->name);
@@ -346,6 +340,56 @@ EvdevQueueButtonClicks(InputInfoPtr pInfo, int button, int count)
     }
 }
 
+/**
+ * Coming back from resume may leave us with a file descriptor that can be
+ * opened but fails on the first read (ENODEV).
+ * In this case, try to open the device until it becomes available or until
+ * the predefined count expires.
+ */
+static CARD32
+EvdevReopenTimer(OsTimerPtr timer, CARD32 time, pointer arg)
+{
+    InputInfoPtr pInfo = (InputInfoPtr)arg;
+    EvdevPtr pEvdev = pInfo->private;
+
+    do {
+        pInfo->fd = open(pEvdev->device, O_RDWR | O_NONBLOCK, 0);
+    } while (pInfo->fd < 0 && errno == EINTR);
+
+    if (pInfo->fd != -1)
+    {
+        if (EvdevCacheCompare(pInfo, TRUE) == Success)
+        {
+            xf86Msg(X_INFO, "%s: Device reopened after %d attempts.\n", pInfo->name,
+                    pEvdev->reopen_attempts - pEvdev->reopen_left + 1);
+            EvdevOn(pInfo->dev);
+        } else
+        {
+            xf86Msg(X_ERROR, "%s: Device has changed - disabling.\n",
+                    pInfo->name);
+            xf86DisableDevice(pInfo->dev, FALSE);
+            close(pInfo->fd);
+            pInfo->fd = -1;
+            pEvdev->min_maj = 0; /* don't hog the device */
+        }
+        pEvdev->reopen_left = 0;
+        return 0;
+    }
+
+    pEvdev->reopen_left--;
+
+    if (!pEvdev->reopen_left)
+    {
+        xf86Msg(X_ERROR, "%s: Failed to reopen device after %d attempts.\n",
+                pInfo->name, pEvdev->reopen_attempts);
+        xf86DisableDevice(pInfo->dev, FALSE);
+        pEvdev->min_maj = 0; /* don't hog the device */
+        return 0;
+    }
+
+    return 100; /* come back in 100 ms */
+}
+
 #define ABS_X_VALUE 0x1
 #define ABS_Y_VALUE 0x2
 #define ABS_VALUE   0x4
@@ -362,7 +406,7 @@ EvdevProcessValuators(InputInfoPtr pInfo, int v[MAX_VALUATORS], int *num_v,
     *num_v = *first_v = 0;
 
     /* convert to relative motion for touchpads */
-    if (pEvdev->abs && (pEvdev->flags & EVDEV_RELATIVE_MODE)) {
+    if (pEvdev->abs && (pEvdev->flags & EVDEV_TOUCHPAD)) {
         if (pEvdev->tool) { /* meaning, touch is active */
             if (pEvdev->old_vals[0] != -1)
                 pEvdev->delta[REL_X] = pEvdev->vals[0] - pEvdev->old_vals[0];
@@ -488,7 +532,7 @@ EvdevProcessButtonEvent(InputInfoPtr pInfo, struct input_event *ev)
 static void
 EvdevProcessRelativeMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
 {
-    int value;
+    static int value;
     EvdevPtr pEvdev = pInfo->private;
 
     /* Get the signed value, earlier kernels had this as unsigned */
@@ -533,7 +577,7 @@ EvdevProcessRelativeMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
 static void
 EvdevProcessAbsoluteMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
 {
-    int value;
+    static int value;
     EvdevPtr pEvdev = pInfo->private;
 
     /* Get the signed value, earlier kernels had this as unsigned */
@@ -546,9 +590,6 @@ EvdevProcessAbsoluteMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
     if (ev->code > ABS_MAX)
         return;
 
-    if (EvdevWheelEmuFilterMotion(pInfo, ev))
-        return;
-
     pEvdev->vals[pEvdev->axis_map[ev->code]] = value;
     if (ev->code == ABS_X)
         pEvdev->abs |= ABS_X_VALUE;
@@ -564,7 +605,7 @@ EvdevProcessAbsoluteMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
 static void
 EvdevProcessKeyEvent(InputInfoPtr pInfo, struct input_event *ev)
 {
-    int value;
+    static int value;
     EvdevPtr pEvdev = pInfo->private;
 
     /* Get the signed value, earlier kernels had this as unsigned */
@@ -724,6 +765,7 @@ EvdevReadInput(InputInfoPtr pInfo)
 {
     struct input_event ev[NUM_EVENTS];
     int i, len = sizeof(ev);
+    EvdevPtr pEvdev = pInfo->private;
 
     while (len == sizeof(ev))
     {
@@ -736,6 +778,11 @@ EvdevReadInput(InputInfoPtr pInfo)
                 xf86RemoveEnabledDevice(pInfo);
                 close(pInfo->fd);
                 pInfo->fd = -1;
+                if (pEvdev->reopen_timer)
+                {
+                    pEvdev->reopen_left = pEvdev->reopen_attempts;
+                    pEvdev->reopen_timer = TimerSet(pEvdev->reopen_timer, 0, 100, EvdevReopenTimer, pInfo);
+                }
             } else if (errno != EAGAIN)
             {
                 /* We use X_NONE here because it doesn't alloc */
@@ -1150,7 +1197,6 @@ EvdevAddAbsClass(DeviceIntPtr device)
     EvdevPtr pEvdev;
     int num_axes, axis, i = 0;
     Atom *atoms;
-    const char *mode;
 
     pInfo = device->public.devicePrivate;
     pEvdev = pInfo->private;
@@ -1222,22 +1268,6 @@ EvdevAddAbsClass(DeviceIntPtr device)
          TestBit(ABS_TILT_Y, pEvdev->abs_bitmask)))
         pInfo->flags |= XI86_POINTER_CAPABLE;
 
-    if (pEvdev->flags & EVDEV_TOUCHPAD)
-        pEvdev->flags |= EVDEV_RELATIVE_MODE;
-    else
-        pEvdev->flags &= ~EVDEV_RELATIVE_MODE;
-
-    if (xf86FindOption(pInfo->options, "Mode"))
-    {
-        mode = xf86SetStrOption(pInfo->options, "Mode", NULL);
-        if (!strcasecmp("absolute", mode))
-            pEvdev->flags &= ~EVDEV_RELATIVE_MODE;
-        else if (!strcasecmp("relative", mode))
-            pEvdev->flags |= EVDEV_RELATIVE_MODE;
-        else
-            xf86Msg(X_INFO, "%s: unknown mode, use default\n", pInfo->name);
-    }
-
     return Success;
 }
 
@@ -1299,9 +1329,6 @@ EvdevAddRelClass(DeviceIntPtr device)
                                        GetMotionHistorySize(), Relative))
         return !Success;
 
-    if (!InitPtrFeedbackClassDeviceStruct(device, EvdevPtrCtrlProc))
-        return !Success;
-
     for (axis = REL_X; axis <= REL_MAX; axis++)
     {
         int axnum = pEvdev->axis_map[axis];
@@ -1318,6 +1345,9 @@ EvdevAddRelClass(DeviceIntPtr device)
 
     xfree(atoms);
 
+    if (!InitPtrFeedbackClassDeviceStruct(device, EvdevPtrCtrlProc))
+        return !Success;
+
     pInfo->flags |= XI86_POINTER_CAPABLE;
 
     return Success;
@@ -1525,6 +1555,9 @@ EvdevInit(DeviceIntPtr device)
 
 /**
  * Init all extras (wheel emulation, etc.) and grab the device.
+ *
+ * Coming from a resume, the grab may fail with ENODEV. In this case, we set a
+ * timer to wake up and try to reopen the device later.
  */
 static int
 EvdevOn(DeviceIntPtr device)
@@ -1536,36 +1569,42 @@ EvdevOn(DeviceIntPtr device)
     pInfo = device->public.devicePrivate;
     pEvdev = pInfo->private;
 
-    if (pInfo->fd == -1) /* after PreInit fd is still open */
+    if (pInfo->fd != -1 && pEvdev->grabDevice &&
+        (rc = ioctl(pInfo->fd, EVIOCGRAB, (void *)1)))
     {
-        do {
-            pInfo->fd = open(pEvdev->device, O_RDWR | O_NONBLOCK, 0);
-        } while (pInfo->fd < 0 && errno == EINTR);
-
-        if (pInfo->fd < 0) {
-            xf86Msg(X_ERROR, "Unable to open evdev device \"%s\".\n",
-                    pEvdev->device);
-            return !Success;
-        }
-    }
-
-    if (pEvdev->grabDevice && (rc = ioctl(pInfo->fd, EVIOCGRAB, (void *)1)))
         xf86Msg(X_WARNING, "%s: Grab failed (%s)\n", pInfo->name,
                 strerror(errno));
 
-    pEvdev->min_maj = EvdevGetMajorMinor(pInfo);
-    if (EvdevIsDuplicate(pInfo))
-    {
-        xf86Msg(X_WARNING, "%s: Refusing to enable duplicate device.\n",
-                pInfo->name);
-        return !Success;
+        /* ENODEV - device has disappeared after resume */
+        if (rc && errno == ENODEV)
+        {
+            close(pInfo->fd);
+            pInfo->fd = -1;
+        }
     }
 
-    xf86FlushInput(pInfo->fd);
-    xf86AddEnabledDevice(pInfo);
-    EvdevMBEmuOn(pInfo);
-    pEvdev->flags |= EVDEV_INITIALIZED;
-    device->public.on = TRUE;
+    if (pInfo->fd == -1)
+    {
+        pEvdev->reopen_left = pEvdev->reopen_attempts;
+        pEvdev->reopen_timer = TimerSet(pEvdev->reopen_timer, 0, 100, EvdevReopenTimer, pInfo);
+    } else
+    {
+        pEvdev->min_maj = EvdevGetMajorMinor(pInfo);
+        if (EvdevIsDuplicate(pInfo))
+        {
+            xf86Msg(X_WARNING, "%s: Refusing to enable duplicate device.\n",
+                    pInfo->name);
+            return !Success;
+        }
+
+        pEvdev->reopen_timer = TimerSet(pEvdev->reopen_timer, 0, 0, NULL, NULL);
+
+        xf86FlushInput(pInfo->fd);
+        xf86AddEnabledDevice(pInfo);
+        EvdevMBEmuOn(pInfo);
+        pEvdev->flags |= EVDEV_INITIALIZED;
+        device->public.on = TRUE;
+    }
 
     return Success;
 }
@@ -1603,6 +1642,11 @@ EvdevProc(DeviceIntPtr device, int what)
         pEvdev->min_maj = 0;
         pEvdev->flags &= ~EVDEV_INITIALIZED;
 	device->public.on = FALSE;
+        if (pEvdev->reopen_timer)
+        {
+            TimerFree(pEvdev->reopen_timer);
+            pEvdev->reopen_timer = NULL;
+        }
 	break;
 
     case DEVICE_CLOSE:
@@ -1767,7 +1811,6 @@ static int
 EvdevProbe(InputInfoPtr pInfo)
 {
     int i, has_rel_axes, has_abs_axes, has_keys, num_buttons, has_scroll;
-    int has_lmr; /* left middle right */
     int kernel24 = 0;
     int ignore_abs = 0, ignore_rel = 0;
     EvdevPtr pEvdev = pInfo->private;
@@ -1810,7 +1853,6 @@ EvdevProbe(InputInfoPtr pInfo)
     has_abs_axes = FALSE;
     has_keys = FALSE;
     has_scroll = FALSE;
-    has_lmr = FALSE;
     num_buttons = 0;
 
     /* count all buttons */
@@ -1825,10 +1867,6 @@ EvdevProbe(InputInfoPtr pInfo)
         }
     }
 
-    has_lmr = TestBit(BTN_LEFT, pEvdev->key_bitmask) ||
-                TestBit(BTN_MIDDLE, pEvdev->key_bitmask) ||
-                TestBit(BTN_RIGHT, pEvdev->key_bitmask);
-
     if (num_buttons)
     {
         pEvdev->flags |= EVDEV_BUTTON_EVENTS;
@@ -1901,7 +1939,7 @@ EvdevProbe(InputInfoPtr pInfo)
                 }
             } else if (TestBit(ABS_PRESSURE, pEvdev->abs_bitmask) ||
                 TestBit(BTN_TOUCH, pEvdev->key_bitmask)) {
-                if (has_lmr || TestBit(BTN_TOOL_FINGER, pEvdev->key_bitmask)) {
+                if (num_buttons || TestBit(BTN_TOOL_FINGER, pEvdev->key_bitmask)) {
                     xf86Msg(X_INFO, "%s: Found absolute touchpad.\n", pInfo->name);
                     pEvdev->flags |= EVDEV_TOUCHPAD;
                     memset(pEvdev->old_vals, -1, sizeof(int) * pEvdev->num_vals);
@@ -2010,7 +2048,7 @@ EvdevPreInit(InputDriverPtr drv, IDevPtr dev, int flags)
     pInfo->history_size = 0;
     pInfo->control_proc = NULL;
     pInfo->close_proc = NULL;
-    pInfo->switch_mode = EvdevSwitchMode;
+    pInfo->switch_mode = NULL;
     pInfo->conversion_proc = NULL;
     pInfo->reverse_conversion_proc = NULL;
     pInfo->dev = NULL;
@@ -2063,6 +2101,7 @@ EvdevPreInit(InputDriverPtr drv, IDevPtr dev, int flags)
         return NULL;
     }
 
+    pEvdev->reopen_attempts = xf86SetIntOption(pInfo->options, "ReopenAttempts", 10);
     pEvdev->invert_x = xf86SetBoolOption(pInfo->options, "InvertX", FALSE);
     pEvdev->invert_y = xf86SetBoolOption(pInfo->options, "InvertY", FALSE);
     pEvdev->swap_axes = xf86SetBoolOption(pInfo->options, "SwapAxes", FALSE);
@@ -2450,6 +2489,18 @@ EvdevInitProperty(DeviceIntPtr dev)
     EvdevPtr     pEvdev = pInfo->private;
     int          rc;
     BOOL         invert[2];
+    char         reopen;
+
+    prop_reopen = MakeAtom(EVDEV_PROP_REOPEN, strlen(EVDEV_PROP_REOPEN),
+            TRUE);
+
+    reopen = pEvdev->reopen_attempts;
+    rc = XIChangeDeviceProperty(dev, prop_reopen, XA_INTEGER, 8,
+                                PropModeReplace, 1, &reopen, FALSE);
+    if (rc != Success)
+        return;
+
+    XISetDevicePropertyDeletable(dev, prop_reopen, FALSE);
 
     if (pEvdev->flags & (EVDEV_RELATIVE_EVENTS | EVDEV_ABSOLUTE_EVENTS))
     {
@@ -2542,6 +2593,13 @@ EvdevSetProperty(DeviceIntPtr dev, Atom atom, XIPropertyValuePtr val,
             pEvdev->invert_x = data[0];
             pEvdev->invert_y = data[1];
         }
+    } else if (atom == prop_reopen)
+    {
+        if (val->format != 8 || val->size != 1 || val->type != XA_INTEGER)
+            return BadMatch;
+
+        if (!checkonly)
+            pEvdev->reopen_attempts = *((CARD8*)val->data);
     } else if (atom == prop_calibration)
     {
         if (val->format != 32 || val->type != XA_INTEGER)

src/evdev.h

@@ -38,7 +38,7 @@
 #include <xf86_OSproc.h>
 #include <xkbstr.h>
 
-#ifndef EV_CNT /* linux 2.6.23 kernels and earlier lack _CNT defines */
+#ifndef EV_CNT /* linux 2.4 kernels and earlier lack _CNT defines */
 #define EV_CNT (EV_MAX+1)
 #endif
 #ifndef KEY_CNT
@@ -57,20 +57,6 @@
 #define EVDEV_MAXBUTTONS 32
 #define EVDEV_MAXQUEUE 32
 
-/* evdev flags */
-#define EVDEV_KEYBOARD_EVENTS	(1 << 0)
-#define EVDEV_BUTTON_EVENTS	(1 << 1)
-#define EVDEV_RELATIVE_EVENTS	(1 << 2)
-#define EVDEV_ABSOLUTE_EVENTS	(1 << 3)
-#define EVDEV_TOUCHPAD		(1 << 4)
-#define EVDEV_INITIALIZED	(1 << 5) /* WheelInit etc. called already? */
-#define EVDEV_TOUCHSCREEN	(1 << 6)
-#define EVDEV_CALIBRATED	(1 << 7) /* run-time calibrated? */
-#define EVDEV_TABLET		(1 << 8) /* device looks like a tablet? */
-#define EVDEV_UNIGNORE_ABSOLUTE (1 << 9) /* explicitly unignore abs axes */
-#define EVDEV_UNIGNORE_RELATIVE (1 << 10) /* explicitly unignore rel axes */
-#define EVDEV_RELATIVE_MODE	(1 << 11) /* Force relative events for devices with absolute axes */
-
 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 3
 #define HAVE_PROPERTIES 1
 #endif