build/packages/bsp/odroid/c2_init.sh

164 lines
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#!/bin/sh
# disable for mainline kernel
[ -f /boot/.next ] && exit
for x in $(cat /proc/cmdline); do
case ${x} in
m_bpp=*) export bpp=${x#*=} ;;
hdmimode=*) export mode=${x#*=} ;;
modeline=*) export modeline=${x#*=} ;;
esac
done
HPD_STATE=/sys/class/amhdmitx/amhdmitx0/hpd_state
DISP_CAP=/sys/class/amhdmitx/amhdmitx0/disp_cap
DISP_MODE=/sys/class/display/mode
# if setenv nographics "1" in boot.ini then this needs to fail
if [ ! -f $DISP_MODE ]; then
exit 0
fi
echo $mode > $DISP_MODE
common_display_setup() {
M="0 0 $(($X - 1)) $(($Y - 1))"
Y_VIRT=$(($Y * 2))
fbset -fb /dev/fb0 -g $X $Y $X $Y_VIRT $bpp
fbset -fb /dev/fb1 -g 32 32 32 32 32
echo $mode > /sys/class/display/mode
echo 0 > /sys/class/graphics/fb0/free_scale
echo 1 > /sys/class/graphics/fb0/freescale_mode
echo $M > /sys/class/graphics/fb0/free_scale_axis
echo $M > /sys/class/graphics/fb0/window_axis
echo 0 > /sys/class/graphics/fb1/free_scale
echo 1 > /sys/class/graphics/fb1/freescale_mode
}
case $mode in
custombuilt*)
export X=`echo $modeline | cut -f1 -d","`
export Y=`echo $modeline | cut -f2 -d","`
;;
480x320*)
export X=480
export Y=320
;;
480x800*)
export X=480
export Y=800
;;
480i*|480p*)
export X=720
export Y=480
;;
576*)
export X=720
export Y=576
;;
720p*)
export X=1280
export Y=720
;;
1080*)
export X=1920
export Y=1080
;;
2160p*)
export X=3840
export Y=2160
;;
smpte24hz*)
export X=3840
export Y=2160
;;
640x480p60hz*)
export X=640
export Y=480
;;
800x480p60hz*)
export X=800
export Y=480
;;
800x600p60hz*)
export X=800
export Y=600
;;
1024x600p60hz*)
export X=1024
export Y=600
;;
1024x768p60hz*)
export X=1024
export Y=768
;;
1280x800p60hz*)
export X=1280
export Y=800
;;
1280x1024p60hz*)
export X=1280
export Y=1024
;;
1360x768p60hz*)
export X=1360
export Y=768
;;
1366x768p60hz*)
export X=1366
export Y=768
;;
1440x900p60hz*)
export X=1440
export Y=900
;;
1600x900p60hz*)
export X=1600
export Y=900
;;
1680x1050p60hz*)
export X=1680
export Y=1050
;;
1600x1200p60hz*)
export X=1600
export Y=1200
;;
1920x1200p60hz*)
export X=1920
export Y=1200
;;
2560x1080p60hz*)
export X=2560
export Y=1080
;;
2560x1440p60hz*)
export X=2560
export Y=1440
;;
2560x1600p60hz*)
export X=2560
export Y=1600
;;
3440x1440p60hz*)
export X=3440
export Y=1440
esac
# force 16bpp for 4k
[ "$Y" = "2160" ] && bpp=16
common_display_setup
# Console unblack
case $mode in
*cvbs*|480i*|576i*|1080i*)
echo 0 > /sys/class/graphics/fb0/blank
echo 1 > /sys/class/graphics/fb1/blank
;;
*)
echo 0 > /sys/class/graphics/fb0/blank
echo 0 > /sys/class/graphics/fb1/blank
;;
esac