recipes/pandora-system/pandora-scripts/op_tvout.sh

   1 #!/bin/bash
   2
   3 # defaults
   4 profiles=/etc/pandora/conf/tvout-profiles.conf
   5 tv_type="pal"
   6 conn_type="svideo"
   7 layer=0
   8 pal_size="658,520"
   9 pal_pos="35,35"
  10 ntsc_size="655,455"
  11 ntsc_pos="40,15"
  12
  13 usage()
  14 {
  15   echo "usage: $0 [-d] [-t pal|ntsc] [-c composite|svideo] [-l 0|1|o] [-{p|n}s w,h] [-{p|n}p x,y]"
  16   exit 1
  17 }
  18
  19 setup_scaler()
  20 {
  21   # we must preallocate enough memory for the scaler layer
  22   # since the app won't be able to change this
  23   # the whole time TV-out is running..
  24   ofbset -fb /dev/fb1 -mem $[3*1024*1024] -size 512 256 -en 0
  25 }
  26
  27 enable_it()
  28 {
  29   size=$pal_size
  30   pos=$pal_pos
  31   if [ "$tv_type" = "ntsc" ]; then
  32     size=$ntsc_size
  33     pos=$ntsc_pos
  34   fi
  35   echo "${tv_type}, ${conn_type}, layer $layer, $pos $size"
  36
  37   cd /sys/devices/platform/omapdss
  38   ovl0=`cat overlay0/enabled`
  39   ovl1=`cat overlay1/enabled`
  40   echo 0 > display1/enabled
  41   echo 0 > overlay0/enabled
  42   echo 0 > overlay1/enabled
  43   echo 0 > overlay2/enabled
  44   echo "" > /sys/class/graphics/fb2/overlays
  45   echo "" > /sys/class/graphics/fb1/overlays
  46   if [ $layer -eq 1 ]; then
  47     setup_scaler
  48     echo "0" > /sys/class/graphics/fb0/overlays
  49     echo "1,2" > /sys/class/graphics/fb1/overlays
  50   else
  51     # assume layer 0 for now
  52     echo "0,2" > /sys/class/graphics/fb0/overlays
  53     echo "1" > /sys/class/graphics/fb1/overlays
  54   fi
  55   echo $conn_type > display1/venc_type
  56   echo "tv" > overlay2/manager
  57   echo $tv_type > display1/timings
  58   echo $size > overlay2/output_size
  59   echo $pos > overlay2/position
  60   echo $ovl0 > overlay0/enabled
  61   echo $ovl1 > overlay1/enabled
  62   echo 1 > overlay2/enabled
  63   echo 1 > display1/enabled
  64 }
  65
  66 disable_it()
  67 {
  68   cd /sys/devices/platform/omapdss
  69   echo 0 > overlay0/enabled
  70   echo 0 > overlay1/enabled
  71   echo 0 > overlay2/enabled
  72   echo 0 > display1/enabled
  73   echo "" > /sys/class/graphics/fb2/overlays
  74   echo "" > /sys/class/graphics/fb1/overlays
  75   echo 0 > /sys/class/graphics/fb0/overlays
  76   echo 1 > /sys/class/graphics/fb1/overlays
  77   # for system menu, etc
  78   echo 2 > /sys/class/graphics/fb2/overlays
  79   echo "lcd" > overlay2/manager
  80   echo 1 > overlay0/enabled
  81 }
  82
  83 layer_toggle()
  84 {
  85   tv_on=`cat /sys/devices/platform/omapdss/display1/enabled`
  86   if [ "$tv_on" != "1" ]; then
  87     echo "tv-out is off, not changing layers"
  88     exit 1
  89   fi
  90   ovl1_on=`cat /sys/devices/platform/omapdss/overlay1/enabled`
  91   if [ "$ovl1_on" != "1" ]; then
  92     layer=0
  93     return
  94   fi
  95
  96   tmp=`cat /sys/class/graphics/fb0/overlays`
  97   if [ "$tmp" == "0" ]; then
  98     # tv was on overlay
  99     layer=0
 100   else
 101     layer=1
 102   fi
 103 }
 104
 105 is_good_tv_type()
 106 {
 107   if [ "$1" == "pal" -o "$1" == "ntsc" ]; then
 108     return 0
 109   fi
 110   echo "bad tv_type: $1"
 111   false
 112 }
 113
 114 is_good_conn_type()
 115 {
 116   if [ "$1" == "svideo" -o "$1" == "composite" ]; then
 117     return 0
 118   fi
 119   echo "bad conn_type: $1"
 120   false
 121 }
 122
 123 is_good_layer()
 124 {
 125   if [ "$1" == "0" -o "$1" == "1" ]; then
 126     return 0
 127   fi
 128   echo "bad layer: $1"
 129   false
 130 }
 131
 132 # read defaults from user profile
 133 if test -f "$profiles"; then
 134   defprofile=`grep -A1 '^Last written' "$profiles" | tail -n 1`
 135   if test -n "$defprofile"; then
 136     parse_profile()
 137     {
 138       # enabled
 139       # encoding
 140       is_good_tv_type $2 && tv_type=$2
 141       # connection
 142       is_good_conn_type $3 && conn_type=$3
 143       # layer
 144       is_good_layer $4 && layer=$4
 145       # x,y
 146       test -n "$5" -a -n "$6" && eval ${tv_type}_pos=$5,$6
 147       # w,h
 148       test -n "$7" -a -n "$8" && eval ${tv_type}_size=$7,$8
 149     }
 150
 151     parse_profile $defprofile
 152     echo "loaded defaults from last used profile"
 153   fi
 154 fi
 155
 156 # parse args
 157 while true; do
 158   case $1 in
 159     "-d")
 160       disable_it
 161       exit 0
 162       ;;
 163     "-t")
 164       shift
 165       tv_type=$1
 166       ;;
 167     "-c")
 168       shift
 169       conn_type=$1
 170       ;;
 171     "-l")
 172       shift
 173       if [ "$1" == "o" ]; then
 174         # "other layer" - switch to different layer
 175         layer_toggle
 176       else
 177         layer=$1
 178       fi
 179       ;;
 180     "-ps")
 181       shift
 182       if [ "$1" != "0,0" ]; then
 183         pal_size=$1
 184       else
 185         echo "warning: ignored pal_size: $1"
 186       fi
 187       ;;
 188     "-pp")
 189       shift
 190       pal_pos=$1
 191       ;;
 192     "-ns")
 193       shift
 194       if [ "$1" != "0,0" ]; then
 195         ntsc_size=$1
 196       else
 197         echo "warning: ignored ntsc_size: $1"
 198       fi
 199       ;;
 200     "-np")
 201       shift
 202       ntsc_pos=$1
 203       ;;
 204     "")
 205       ;;
 206     *)
 207       usage
 208       ;;
 209   esac
 210
 211   if ! shift; then break; fi
 212 done
 213
 214 if ! is_good_tv_type $tv_type; then
 215   usage
 216 fi
 217
 218 if ! is_good_conn_type $conn_type; then
 219   usage
 220 fi
 221
 222 if ! is_good_layer $layer; then
 223   usage
 224 fi
 225
 226 enable_it