#!/bin/sh
################################################################################
#      This file is part of OpenELEC - http://www.openelec.tv
#      Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
#
#  OpenELEC is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 2 of the License, or
#  (at your option) any later version.
#
#  OpenELEC is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with OpenELEC.  If not, see <http://www.gnu.org/licenses/>.
################################################################################

hdmimode=1080p60hz

# Parse command line arguments
for arg in $(cat /proc/cmdline); do
  case $arg in
    hdmimode=*)
      hdmimode="${arg#*=}"
      ;;
  esac
done

# Enable first framebuffer
echo 0 > /sys/class/graphics/fb0/blank

# Disable second framebuffer
echo 1 > /sys/class/graphics/fb1/blank

# Disable framebuffer scaling
echo 0 > /sys/class/graphics/fb0/free_scale
echo 0 > /sys/class/graphics/fb1/free_scale

# set initial video state
echo 1 > /sys/class/video/disable_video

# Set framebuffer geometry to match the resolution
case $hdmimode in
  480*)            X=720  Y=480  ;;
  576*)            X=720  Y=576  ;;
  720p*)           X=1280 Y=720  ;;
  *)               X=1920 Y=1080 ;;
esac

fbset -fb /dev/fb0 -g $X $Y 1920 2160 32
fbset -fb /dev/fb1 -g 32 32 32 32 32

# Enable scaling for 4K output
case $hdmimode in
  4k*|smpte*|2160*)
    echo 0 0 1919 1079 > /sys/class/graphics/fb0/free_scale_axis
    echo 0 0 3839 2159 > /sys/class/graphics/fb0/window_axis
    echo 1920 > /sys/class/graphics/fb0/scale_width
    echo 1080 > /sys/class/graphics/fb0/scale_height
    echo 0x10001 > /sys/class/graphics/fb0/free_scale
  ;;
esac

# Include deinterlacer into default VFM map
echo rm default > /sys/class/vfm/map
echo add default decoder ppmgr deinterlace amvideo > /sys/class/vfm/map