/etc/X11/xorg.conf

Section "Files"
  InputDevices "/dev/input/event2" 	## correspond to the touchscreen event number
EndSection

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"kbd"
	Option		"CoreKeyboard"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc105"
	Option		"XkbLayout"	"us"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
	Option		"Device"	"/dev/input/mice"
	Option		"Protocol"	"ImPS/2"
	Option		"ZAxisMapping"	"4 5"
	Option		"Emulate3Buttons"	"true"
EndSection

Section "InputDevice"
	Identifier	"Synaptics Touchpad"
	Driver		"synaptics"
	Option		"SendCoreEvents"	"true"
	Option		"Device"	"/dev/psaux"
	Option		"Protocol"	"auto-dev"
	Option		"HorizEdgeScroll"	"0"
EndSection

Section "InputDevice"   	
	Identifier "touchscreen"
 	Driver "evtouch"
	Option "Device" "/dev/input/event2"  # correspond to the touchscreen event number
	Option "DeviceName" "touchscreen"
	#########################################
	Option "MinX" "44"
	Option "MinY" "105"
	Option "MaxX" "3985"
	Option "MaxY" "3994"    
        Option "x0" "-1"
        Option "y0" "-3"
        Option "x1" "-6"
        Option "y1" "-4"
        Option "x2" "-2"
        Option "y2" "-6"
        Option "x3" "-2"
        Option "y3" "-3"
        Option "x4" "-4"
        Option "y4" "-3"
        Option "x5" "2"
        Option "y5" "-1"
        Option "x6" "-5"
        Option "y6" "-3"
        Option "x7" "-2"
        Option "y7" "1"
        Option "x8" "5"
        Option "y8" "2"
        #########################################
       #Option "ReportingMode" "Raw"
        Option "Emulate3Buttons"
        Option "Emulate3Timeout" "50"
       #Option "SendCoreEvents"
        ######################
        Option "TapTimer" "0"
        Option "LongTouchTimer" "250"
        Option "ReportingMode" "Raw"
        Option "SendCoreEvents" "On"
	Option "SendCoreEvents"
#    Option "Calibrate"  "1"
EndSection

# Section "InputDevice"
# 	Driver		"wacom"
# 	Identifier	"stylus"
# 	Option		"Device"	"/dev/input/wacom"
# 	Option		"Type"	"stylus"
# 	Option		"ForceDevice"	"ISDV4"# Tablet PC ONLY
# EndSection

#Section "InputDevice"
#	Driver		"wacom"
#	Identifier	"eraser"
#	Option		"Device"	"/dev/input/wacom"
#	Option		"Type"	"eraser"
#	Option		"ForceDevice"	"ISDV4"# Tablet PC ONLY
#EndSection

#Section "InputDevice"
#	Driver		"wacom"
#	Identifier	"cursor"
#	Option		"Device"	"/dev/input/wacom"
#	Option		"Type"	"cursor"
#	Option		"ForceDevice"	"ISDV4"# Tablet PC ONLY
#EndSection

Section "Device"
	Identifier	"nVidia Corporation C51 [Geforce 6150 Go]"
	Driver		"nvidia"
	Busid		"PCI:0:5:0"
	Option		"AddARGBVisuals"	"True"
	Option		"AddARGBGLXVisuals"	"True"
	Option		"NoLogo"	"True"
EndSection

Section "Monitor"
	Identifier	"Generic Monitor"
	Option		"DPMS"
	Horizsync	28-64
	Vertrefresh	43-60
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Device		"nVidia Corporation C51 [Geforce 6150 Go]"
	Monitor		"Generic Monitor"
	Defaultdepth	24
	SubSection "Display"
		Modes		"1280x800"
	EndSubSection
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
  screen "Default Screen"
	Inputdevice	"Generic Keyboard"
	Inputdevice	"Configured Mouse"
	
	# Uncomment if you have a wacom tablet
	#	InputDevice     "stylus"	"SendCoreEvents"
	#	InputDevice     "cursor"	"SendCoreEvents"
	#	InputDevice     "eraser"	"SendCoreEvents"
	Inputdevice	"Synaptics Touchpad"
        InputDevice  "touchscreen" "CorePointer"
EndSection

Section "Module"
	Load		"glx"
EndSection


-------------------------------------------------------------
cat /proc/bus/input/devices

I: Bus=0017 Vendor=0001 Product=0001 Version=0100
N: Name="Macintosh mouse button emulation"
P: Phys=
S: Sysfs=/class/input/input0
U: Uniq=
H: Handlers=mouse0 event0 
B: EV=7
B: KEY=70000 0 0 0 0 0 0 0 0
B: REL=3

I: Bus=0011 Vendor=0001 Product=0001 Version=ab41
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/serio0/input0
S: Sysfs=/class/input/input1
U: Uniq=
H: Handlers=kbd event1 
B: EV=120013
B: KEY=1004 2200002 3802078 f950d401 feffffdf ffefffff ffffffff ffffffff
B: MSC=10
B: LED=7

I: Bus=0003 Vendor=0eef Product=0001 Version=0210
N: Name="eGalax INC. USB TouchController"
P: Phys=usb-0000:00:0b.1-2.3/input0
S: Sysfs=/class/input/input2
U: Uniq=
H: Handlers=mouse1 event2 
B: EV=b
B: KEY=401 0 30000 0 0 0 0 0 0 0 0
B: ABS=f

I: Bus=0010 Vendor=001f Product=0001 Version=0100
N: Name="PC Speaker"
P: Phys=isa0061/input0
S: Sysfs=/class/input/input3
U: Uniq=
H: Handlers=kbd event3 
B: EV=40001
B: SND=6

I: Bus=0011 Vendor=0002 Product=0007 Version=01b1
N: Name="SynPS/2 Synaptics TouchPad"
P: Phys=isa0060/serio1/input0
S: Sysfs=/class/input/input4
U: Uniq=
H: Handlers=mouse2 event4 
B: EV=b
B: KEY=6420 0 70000 0 0 0 0 0 0 0 0
B: ABS=11000003

I: Bus=0019 Vendor=0000 Product=0002 Version=0000
N: Name="Power Button (FF)"
P: Phys=button_power/button/input0
S: Sysfs=/class/input/input5
U: Uniq=
H: Handlers=kbd event5 
B: EV=3
B: KEY=100000 0 0 0

I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button (CM)"
P: Phys=PNP0C0C/button/input0
S: Sysfs=/class/input/input6
U: Uniq=
H: Handlers=kbd event6 
B: EV=3
B: KEY=100000 0 0 0

I: Bus=0019 Vendor=0000 Product=0003 Version=0000
N: Name="Sleep Button (CM)"
P: Phys=PNP0C0E/button/input0
S: Sysfs=/class/input/input7
U: Uniq=
H: Handlers=kbd event7 
B: EV=3
B: KEY=4000 0 0 0 0

I: Bus=0019 Vendor=0000 Product=0005 Version=0000
N: Name="Lid Switch"
P: Phys=PNP0C0D/button/input0
S: Sysfs=/class/input/input8
U: Uniq=
H: Handlers=event8 
B: EV=21
B: SW=1


--------------------------------------------

lsusb

Bus 002 Device 002: ID 03f0:171d Hewlett-Packard 
Bus 002 Device 001: ID 0000:0000  
Bus 001 Device 006: ID 0eef:0001 D-WAV Scientific Co., Ltd eGalax TouchScreen
Bus 001 Device 005: ID 08ff:1600 AuthenTec, Inc. 
Bus 001 Device 004: ID 0c45:62c0 Microdia 
Bus 001 Device 002: ID 04b4:6560 Cypress Semiconductor Corp. CY7C65640 USB-2.0 "TetraHub"
Bus 001 Device 001: ID 0000:0000