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#!/bin/sh
#

# note xinit needs full server path
if [ -f /usr/bin/Xfbdev ]; then
  XSERVER=/usr/bin/Xfbdev
fi
if [ -f /usr/bin/Xepson ]; then
  XSERVER=/usr/bin/Xepson
fi
if [ -f /usr/bin/Xorg ]; then
  XSERVER=/usr/bin/Xorg
fi

. /etc/profile

fallback_screen_arg() {
    geom=`fbset | grep geometry`
    w=`echo $geom | awk '{ print $2 }'`
    h=`echo $geom | awk '{ print $3 }'`
    b=`echo $geom | awk '{ print $6 }'`
    echo -n "${w}x${h}x${b}"
}

screen_width() {
    geom=`fbset | grep geometry`
    w=`echo $geom | awk '{ print $2 }'`
    echo -n "${w}"
}


module_id() {
    ## used to read from assets, but sometimes assets is corrupted
    # grep "Module ID" /proc/hal/assets | sed "s/.*://"
    ## used to read from /proc/hal/model, but that is removed in 2.6
    # echo ' iPAQ' `cat /proc/hal/model`
    awk 'BEGIN { FS=": " } /Hardware/ { print $2 } ' </proc/cpuinfo
}

export USER=root

SCREEN_SIZE=`fallback_screen_arg`

ARGS=" -br -pn"

# use ucb 1x00 touchscreen if present
if [ -z "$TSLIB_TSDEVICE" ] && [ -e /dev/touchscreen/ucb1x00 ]; then
  ARGS="$ARGS -mouse /dev/touchscreen/ucb1x00"
fi

# use usb mouse if present
# Xorg doesn't support "-mouse" option, and uses /dev/input/mice automatically
if [ -z "$TSLIB_TSDEVICE" ] && [ -e /dev/input/mice ] && [ "$XSERVER" != "Xorg" ]; then
  ARGS="$ARGS -mouse /dev/input/mice"
fi

# start off server in conventional location.
case `module_id` in
        "AML M8050")
                ARGS="$ARGS -dpi 100 -screen 320x240@270" ;;
        "HP iPAQ H3100" | "HP iPAQ H3800")
                ARGS="$ARGS -dpi 100 -rgba vrgb -screen ${SCREEN_SIZE}@90" ;;
        "HP iPAQ H3600" | "HP iPAQ H3700" | "HP iPAQ H3900")
                ARGS="$ARGS -dpi 100 -rgba vbgr -screen ${SCREEN_SIZE}@270" ;;
        "HP iPAQ H5400" | "HP iPAQ H2200")
                ARGS="$ARGS -dpi 100 -rgba rgb" ;;
        "HP iPAQ HX4700")
                ARGS="$ARGS -dpi 200"
                IMAGEON="w3220"
                ;;
        "Ramses")
                # What is this "vt2" in aid of?
                ARGS="$ARGS -dpi 100 -rgba vrgb -screen ${SCREEN_SIZE}@90 vt2" ;;
        # both 'Sharp-Collie' and just 'Collie' have been reported
        *Poodle)
                ARGS="$ARGS -dpi 100 -rgba vrgb -screen ${SCREEN_SIZE}@270" ;;
        *Collie)
                ARGS="$ARGS -dpi 100 -rgba vrgb -screen ${SCREEN_SIZE}@270" ;;
        "SHARP Shepherd" | "SHARP Husky" | "SHARP Corgi")
                if [ `screen_width` -gt 330 ] ; then
                     DPI=200
                else
                     DPI=100
                fi 
                ARGS="$ARGS -dpi ${DPI} -rgba rgb"
                IMAGEON="w100"
                ;;
        "SHARP Spitz" | "SHARP Akita" | "SHARP Borzoi")
                ARGS="$ARGS -dpi 200 -rgba rgb -screen ${SCREEN_SIZE}@270" ;;
        "Simpad")
                ARGS="$ARGS -dpi 100 -rgba rgb" ;;
        "Generic OMAP1510/1610/1710")
                ARGS="$ARGS -dpi 220 -mouse /dev/input/event0" ;;
        "Cellon C8000 Board")
                ARGS="$ARGS -dpi 100 -screen ${SCREEN_SIZE},10,1" ;;
        "HTC Magician")
                ARGS="$ARGS -dpi 142" ;;
        "HTC Universal")
                ARGS="$ARGS -dpi 225 -screen ${SCREEN_SIZE}@270" ;;
        "ARM-IntegratorCP" | "ARM-Versatile PB")
                ARGS="$ARGS -rgba vrgb" ;;
        "Compulab CM-x270")
                modprobe mbxfb
                ARGS="$ARGS -fb /dev/fb1" ;;
        "GTA01")
                if [ `screen_width` -gt 330 ] ; then
                     DPI=285
                else
                     DPI=140
                fi 
                ARGS="$ARGS -dpi ${DPI} -screen ${SCREEN_SIZE} -mouse tslib" ;;
       "GTA02")
                if [ `screen_width` -gt 330 ] ; then
                     DPI=285
                else 
                     DPI=140
                fi 
                ARGS="$ARGS -dpi ${DPI} -screen ${SCREEN_SIZE} -mouse tslib" 
		XSERVER=/usr/bin/Xglamo 
		;;
	"Nokia N770")
                ARGS="$ARGS -dpi 225 -screen ${SCREEN_SIZE} -mouse tslib" 
                XSERVER=/usr/bin/Xomap ;;
        "Nokia N800")
                ARGS="$ARGS -dpi 225 -screen ${SCREEN_SIZE} -mouse tslib" 
                XSERVER=/usr/bin/Xomap ;;
	"Palm Treo 650")
		ARGS="$ARGS -dpi 181 -screen 320x320 -hide-cursor" ;;
        "Motorola Ezx Platform")
                ARGS="$ARGS -dpi 170 -screen ${SCREEN_SIZE}" ;;
	"Glofiish M800")
                ARGS="$ARGS -dpi 285 -screen ${SCREEN_SIZE} -mouse tslib -hide-cursor" ;;
        "Freescale MX21ADS")
	# That's what /proc/cpuinfo shows as hardware on the chumby
                 ARGS="$ARGS -dpi 121 -screen 320x240 -hide-cursor -mouse tslib" ;;
        "OMAP3 Beagle Board")
                 ARGS="$ARGS -br"
# 32bpp - we'll enable it once newer kernels are.. working.                 
#                 ARGS="$ARGS -fbbpp32"
                 XSERVER=/usr/bin/Xorg ;;
        *)
                # It is a device we do not know about, in which case we force
                # kdrive to use the current framebuffer geometry -- otherwise
                # it will default to trying to achieve 1024x768
                S=${SCREEN_SIZE}
                ARGS="$ARGS -screen $S" ;;
esac

if [ ! -z "$IMAGEON" ]; then
  if [ -f /usr/bin/Xw100 ]; then
    XSERVER=/usr/bin/Xw100
  fi
  if [ -f /usr/bin/Ximageon ]; then
    XSERVER=/usr/bin/Ximageon
  fi
fi

DISPLAY=':0'

exec xinit /etc/X11/Xsession -- $XSERVER $DISPLAY $ARGS $* >/tmp/x.log 2>&1