#!/bin/bash
#
# Copyright 2006-2007 Richard Hughes <richard@hughsie.com>
# Copyright 2007 Peter Jones <pjones@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.

. /usr/lib/pm-utils/functions

vbetool=$(type -p vbetool)
vbe() {
	if [ -z "$vbetool" ]; then
		echo "vbetool not found" 1>&2
		return 1
	fi
	$vbetool "$@"
}

radeontool=$(type -p radeontool)
radeon() {
	if [ -z "$radeontool" ]; then
		echo "radeontool not found" 1>&2
		return 1
	fi
	$radeontool "$@"
}

suspend_video()
{
	# 0=nothing, 1=s3_bios, 2=s3_mode, 3=both
	if [ "${DISPLAY_QUIRK_S3_BIOS}" == "true" -a \
			"${DISPLAY_QUIRK_S3_MODE}" == "true" ]; then
		sysctl -w kernel.acpi_video_flags=3
	elif [ "${DISPLAY_QUIRK_S3_BIOS}" == "true" ]; then
		sysctl -w kernel.acpi_video_flags=1
	elif [ "${DISPLAY_QUIRK_S3_MODE}" == "true" ]; then
		sysctl -w kernel.acpi_video_flags=2
	else
		sysctl -w kernel.acpi_video_flags=0
	fi

	# We might need to do one or many of these quirks
	if [ "${DISPLAY_QUIRK_VBESTATE_RESTORE}" == "true" ]; then
		vbe vbestate save > /var/run/vbestate
	fi
	if [ "${DISPLAY_QUIRK_VBEMODE_RESTORE}" == "true" ]; then
		vbe vbemode get > /var/run/vbemode
	fi
	if [ "${DISPLAY_QUIRK_VGA_MODE_3}" == "true" ]; then
		vbe vbemode set 3
	fi
	if [ "${DISPLAY_QUIRK_DPMS_SUSPEND}" == "true" ]; then
		vbe dpms suspend
	fi
}


case "$1" in
	suspend)
		suspend_video
		;;
	hibernate)
		if [ "x$HIBERNATE_RESUME_POST_VIDEO" == "xyes" ]; then
			suspend_video
		fi
		;;
esac

exit $?