New option isdn_screenflags to set the syscons screen params for isdnd,

plus documentation.

Submitted by:	Alexander Leidinger <Alexander@Leidinger.net>
Not objected to by:	hm
MFC after:	1 week

etc/defaults/rc.conf

@@ -210,6 +210,7 @@ isdn_enable="NO"		# Enable the ISDN subsystem (or NO).
 isdn_fsdev="/dev/ttyv4"		# Output device for fullscreen mode (or NO for daemon mode).
 isdn_flags="-dn -d0x1f9"	# Flags for isdnd
 isdn_ttype="cons25"		# terminal type for fullscreen mode
+isdn_screenflags="NO"		# screenflags for ${isdn_fsdev}
 isdn_trace="NO"			# Enable the ISDN trace subsystem (or NO).
 isdn_traceflags="-f /var/tmp/isdntrace0"	# Flags for isdntrace
 

etc/rc.d/isdnd

@@ -53,6 +53,18 @@ case ${isdn_enable} in
 			/usr/sbin/isdnd ${isdn_flags}
 			;;
 		*)
+			# Change vidmode of ${isdn_fsdev}
+			#
+			case ${isdn_screenflags} in
+			[Nn][Oo])
+				;;
+			*)
+				if [ -x /usr/sbin/vidcontrol ]; then
+					/usr/sbin/vidcontrol < ${isdn_fsdev} > ${isdn_fsdev} 2>&1 ${isdn_screenflags}
+				fi
+				;;
+			esac
+
 			/usr/sbin/isdnd ${isdn_flags} -f -r ${isdn_fsdev} -t ${isdn_ttype}
 			;;
 		esac

etc/rc.isdn

@@ -53,6 +53,18 @@ case ${isdn_enable} in
 			/usr/sbin/isdnd ${isdn_flags}
 			;;
 		*)
+			# Change vidmode of ${isdn_fsdev}
+			#
+			case ${isdn_screenflags} in
+			[Nn][Oo])
+				;;
+			*)
+				if [ -x /usr/sbin/vidcontrol ]; then
+					/usr/sbin/vidcontrol < ${isdn_fsdev} > ${isdn_fsdev} 2>&1 ${isdn_screenflags}
+				fi
+				;;
+			esac
+
 			/usr/sbin/isdnd ${isdn_flags} -f -r ${isdn_fsdev} -t ${isdn_ttype}
 			;;
 		esac

share/man/man5/rc.conf.5

@@ -1672,6 +1672,16 @@ by default.
 The terminal type of the output device when
 .Xr idsnd 8
 operates in fullscreen mode.
+.It Va isdn_screenflags
+.Pq Vt str
+Set to
+.Ar NO
+by default.
+The video mode for fullscreen mode (only for
+.Xr syscons 4
+console driver, see 
+.Xr vidcontrol 1
+for valid modes).
 .It Va isdn_fsdev
 .Pq Vt str
 Set to
@@ -1750,6 +1760,7 @@ Flags for
 .Xr swapon 8 ,
 .Xr tickadj 8 ,
 .Xr timed 8 ,
+.Xr vidcontrol 1 ,
 .Xr vinum 8 ,
 .Xr xntpd 8 ,
 .Xr xtend 8 ,