recipes/powervr-drivers/files/rc.pvr

   1 #!/bin/sh
   2 PATH=$PATH:/usr/sbin
   3
   4 BITSPERPIXEL="$(fbset | grep geom | awk '{print $6}')"
   5 YRES="$(fbset | grep geom | awk '{print $3}')"
   6
   7 unload_driver()
   8 {
   9         rmmod bufferclass_ti 2>/dev/null
  10         rmmod omaplfb 2>/dev/null
  11         rmmod pvrsrvkm 2>/dev/null
  12 }
  13
  14 load_driver()
  15 {
  16         if lsmod | grep -q omaplfb; then
  17                 echo "PVR driver is already loaded"
  18                 return 0
  19         fi
  20
  21         if test -f /etc/powervr-kmodver; then
  22                 version=`cat /etc/powervr-kmodver`
  23         fi
  24         insmod /lib/modules/$(uname -r)/kernel/drivers/gpu/pvr/$version/pvrsrvkm.ko
  25         insmod /lib/modules/$(uname -r)/kernel/drivers/gpu/pvr/$version/omaplfb.ko
  26         bc_ko="/lib/modules/$(uname -r)/kernel/drivers/gpu/pvr/$version/bufferclass_ti.ko"
  27         if test -f "$bc_ko"; then
  28                 insmod $bc_ko
  29         fi
  30
  31         if ! lsmod | grep -q pvrsrvkm; then
  32                 echo "pvrsrvkm failed to load"
  33                 exit 1
  34         fi
  35
  36         test -e /dev/pvrsrvkm || sleep 1
  37         if ! test -e /dev/pvrsrvkm; then
  38                 echo "pvrsrvkm dev file did not appear"
  39                 exit 1
  40         fi
  41
  42         chmod 666 /dev/pvrsrvkm
  43 }
  44
  45 # $1 - full pathname, like /usr/lib/ES5.0/libGLESv2.so.1.4.14.2616
  46 install_lib()
  47 {
  48         base=`basename "$1"`
  49         baseso=`echo "$base" | sed -e 's:\(lib.*.so\).*:\1:;s/[[:blank:]]//g'`
  50         test -z "${baseso}" && return
  51
  52         rm /usr/lib/${baseso}*
  53         cp -a $1 /usr/lib/
  54
  55         cd /usr/lib
  56         ln -fs $base ${baseso}
  57         ln -fs $base ${baseso}.1
  58         cd $OLDPWD
  59 }
  60
  61 if [ "$1" = "" ]; then
  62         echo PVR-INIT: Please use start, stop, or restart.
  63         exit 1
  64 fi
  65
  66 if [ "$1" = "stop" -o  "$1" = "restart" ]; then
  67         echo Stopping PVR
  68         unload_driver
  69 fi
  70
  71 if [ "$1" = "stop" ]; then
  72         exit 0
  73 fi
  74
  75 # Set RGBA ordering to something the drivers like
  76 if [ "$BITSPERPIXEL" = "32" ] ; then
  77         fbset -rgba 8/16,8/8,8/0,8/24
  78 fi
  79
  80 # Try to enable triple buffering when there's enough VRAM
  81 fbset -vyres $(expr $YRES \* 3)
  82
  83         echo Starting PVR
  84
  85         touch /etc/powervr-esrev
  86         SAVED_ESREVISION="$(cat /etc/powervr-esrev)"
  87
  88         devmem2 0x48004B48 w 0x2 > /dev/null
  89         devmem2 0x48004B10 w 0x1 > /dev/null
  90         devmem2 0x48004B00 w 0x2 > /dev/null
  91
  92         ES_REVISION="$(devmem2 0x50000014 | sed -e s:0x10205:5: -e s:0x10201:3: -e s:0x10003:2: | tail -n1 | awk -F': ' '{print $2}')"
  93
  94         # enable hardware supervised domain power state transition - makes suspend work
  95         devmem2 0x48004B48 w 0x3 > /dev/null
  96
  97         if [ "${ES_REVISION}" != "${SAVED_ESREVISION}" -o ! -e /etc/powervr-kmodver ] ; then
  98                 sdkver=`echo /usr/lib/ES${ES_REVISION}.0/libGLESv2.so.1.* | sed -e 's:.*lib.*.so.\(.*\).*:\1:'`
  99                 echo -n "Performing SGX fixup for"
 100                 echo " ES${ES_REVISION}.x (${sdkver})"
 101                 for lib in /usr/lib/ES${ES_REVISION}.0/*.so*; do
 102                         install_lib $lib
 103                 done
 104                 cp -a /usr/bin/ES${ES_REVISION}.0/* /usr/bin/
 105                 echo "${ES_REVISION}" > /etc/powervr-esrev
 106
 107                 # if /etc/powervr-kmodver is available, trust it, else figure out something
 108                 if ! test -e /etc/powervr-kmodver; then
 109                         touch /etc/powervr-kmodver
 110                         # for 1.4.14.2616 there are 2 incompatible modules,
 111                         # assume the default one, which is selected by empty powervr-kmodver
 112                         if [ "${sdkver}" != "1.4.14.2616" ]; then
 113                                 echo "Switching driver to ${sdkver}"
 114                                 echo "${sdkver}" > /etc/powervr-kmodver
 115                         fi
 116                 fi
 117                 sync
 118         fi
 119
 120         # set up optional armhf libs if needed
 121         if test -d /usr/lib/arm-linux-gnueabihf/ES${ES_REVISION}.0; then
 122                 touch /etc/powervr-esrev-armhf
 123                 SAVED_ESREVISION_HF="$(cat /etc/powervr-esrev-armhf)"
 124
 125                 if [ "${ES_REVISION}" != "${SAVED_ESREVISION_HF}" ] ; then
 126                         echo -n "Performing SGX armhf fixup for"
 127                         echo " ES${ES_REVISION}.x"
 128                         for lib in /usr/lib/arm-linux-gnueabihf/ES${ES_REVISION}.0/*.so*; do
 129                                 cp -a $lib /usr/lib/arm-linux-gnueabihf/
 130                         done
 131                         echo "${ES_REVISION}" > /etc/powervr-esrev-armhf
 132                 fi
 133         fi
 134
 135         load_driver
 136
 137         if test -x /usr/bin/pvrsrvinit; then
 138                 /usr/bin/pvrsrvinit
 139         elif test -x /usr/bin/pvrsrvctl; then
 140                 /usr/bin/pvrsrvctl --start --no-module
 141         else
 142                 echo "Error: missing /usr/bin/pvrsrv* or bad permissions"
 143         fi