fbset.init

   1 #!/bin/sh
   2 # $Id$
   3 #
   4 # fbset:        Sets up fbcon video modes.
   5 #
   6 #
   7 # chkconfig:    2345 69 31
   8 # description:  fbset is a utility with which fbcons video modes can be read \
   9 #               and changed
  10 #
  11 # config:       /etc/sysconfig/fbset
  12
  13 # Source function library
  14 . /etc/rc.d/init.d/functions
  15
  16 # Get service config
  17 if [ -f /etc/sysconfig/fbset ]; then
  18         . /etc/sysconfig/fbset
  19 fi
  20
  21 function try_load
  22 {
  23         if [ -n "${FBMODULE}" ]; then
  24                 _modprobe single $FBMODULE
  25         else
  26                 exit 0
  27         fi
  28 }
  29
  30 # Setting default depth
  31 if [ -n "${DEPTH}" ]; then
  32         DEPTH_options="-depth ${DEPTH}"
  33 fi
  34
  35 if [ -z "${FBDEV_NUM}" ]; then
  36         FBDEV_NUM=0
  37 fi
  38
  39 start() {
  40         # Check if service is already running?
  41         if [ ! -f /var/lock/subsys/fbset ]; then
  42
  43                 # Check if we have framebuffer in kernel.
  44                 if [ -f /proc/fb ]; then
  45                         # /proc files show as files with size=0, this is a workaround.
  46                         cat /proc/fb | grep -q "." || try_load
  47                 else
  48                         # if not, then try to load specified kernel module
  49                         try_load
  50                 fi
  51
  52                 if [ -n "${FBMODE_default}" ]; then
  53                         show "Setting default video mode"
  54                         busy
  55
  56                         # check if devfs (workaround: -a option don't work at all)
  57                         if [ -d /dev/vc ]; then
  58                                 if [ -z "$FBTERMINALS" ]; then
  59                                         FBTERMINALS=$(ls /dev/vc/)
  60                                 fi
  61                                 FBDEV=/dev/fb/${FBDEV_NUM}
  62                                 devpath="/dev/vc/"
  63                         else
  64                                 if [ -z "$FBTERMINALS" ]; then
  65                                         FBTERMINALS=$(awk -F: '/^[0-9]*:/{print $1}' /etc/inittab)
  66                                 fi
  67                                 FBDEV=/dev/fb${FBDEV_NUM}
  68                                 devpath="/dev/tty"
  69                         fi
  70
  71                         # save old tty number
  72                         tty=$(/usr/bin/tty)
  73                         tty=${tty#$devpath}
  74
  75                         for cons in $FBTERMINALS; do
  76                                 /usr/bin/con2fb $FBDEV $cons
  77                                 /usr/bin/switchto $cons
  78                                 /usr/bin/fbset -fb \
  79                                   $FBDEV ${DEPTH_options} $FBMODE_default \
  80                                   0<>/dev/tty$cons >&0 2>&0
  81                         done
  82                         [ $tty = "/dev/console" ] && tty=1
  83                         /usr/bin/switchto $tty
  84                         ok
  85                 fi
  86                 touch /var/lock/subsys/fbset
  87         else
  88                 msg_already_running fbset
  89         fi
  90 }
  91
  92 stop() {
  93         if [ -f /var/lock/subsys/fbset ]; then
  94                 rm -f /var/lock/subsys/fbset
  95         else
  96                 msg_not_running fbset
  97         fi
  98 }
  99
 100 # See how we were called.
 101 case "$1" in
 102   start)
 103         start
 104         ;;
 105   stop)
 106         stop
 107         ;;
 108   status)
 109         # Check if we have framebuffer in kernel.
 110         if [ -f /proc/fb ]; then
 111                 # /proc files show as files with size=0, this is a workaround.
 112                 cat /proc/fb | grep -q "." && nls "Frame buffer present." && exit 0
 113         fi
 114
 115         nls "Frame buffer not present."
 116         exit 3
 117         ;;
 118   restart|force-reload)
 119         stop
 120         start
 121         ;;
 122   *)
 123         msg_usage "$0 {start|stop|restart|force-reload|status}"
 124         exit 3
 125 esac
 126
 127 exit 0