# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

IUSE=""

DESCRIPTION="A linux (2.6-) kernel driver for Hauppauge's WinTV-PVR-usb2"
HOMEPAGE="http://www.isely.net/pvrusb2.html"
SRC_URI="http://www.isely.net/downloads/pvrusb2-mci-20060702.tar.bz2
http://www.eskimo.com/~roger/files/packages/pvrusb2/pvrusb2.f1.bz2
http://www.eskimo.com/~roger/files/packages/pvrusb2/pvrusb2.f2.bz2
http://www.eskimo.com/~roger/files/packages/pvrusb2/v4l-cx2341x-enc.fw.bz2
http://www.eskimo.com/~roger/files/packages/pvrusb2/v4l-cx25840.fw.bz2
http://www.eskimo.com/~roger/files/packages/pvrusb2/v4l-pvrusb2-24xxx-01.fw.bz2"

# Check for the above firmwares.
# If not found, instruct installer to get them by using fwextract.pl
# and copying them into /usr/portage/disfiles
# NOTE: The two firmware* files are stripped from a proprietory win32 driver!

LICENSE="Conexant-firmware"
SLOT="0"
KEYWORDS="x86"
RDEPEND=">=sys-apps/hotplug-20040923"
DEPEND=""
S=${WORKDIR}/pvrusb2-mci-20060702

pkg_setup() {
	if kernel_is 2 4; then
		"You need kernel-2.6 for this module to work"
		"(>=kernel-2.6.16 is recommended)"
		die
	fi
	
	echo
	einfo "Required kernel options as static or modules:"
	einfo "CONFIG_VIDEO_BT848=m"
	einfo "CONFIG_VIDEO_DECODER=m" 
	einfo "CONFIG_VIDEO_TVEEPROM=m"
	einfo "CONFIG_VIDEO_PVRUSB2=m"
	echo
	einfo "Newer pvrusb2 devices requires cx25840"
	einfo "while the older require msp3400."
	einfo "(The MSP3400 code may get preference over CX25840 code"
	einfo "resulting in the newer pvrusb2 devices not working.)"
	echo
	einfo "You may need to clean older pvrusb2 modules from kernel tree"
	einfo "before emerging this package."
	einfo "ie. rm /lib/modules/2.6.15.5Y/pvrusb2/*"
	einfo "(This ebuild will not auto clean modules.)"
	echo

	CONFIG_CHECK="USB"
	CONFIG_CHECK="BT848"
	CONFIG_CHECK="VIDEO_DECODER"
	CONFIG_CHECK="VIDEO_TVEEPROM"
	CONFIG_CHECK="VIDEO_PVRUSB2"	
}


src_unpack() {
	unpack ${A}
	
	# If you use Mythtv, enabling interlacing will significantly
	# reduce cpu usage.  Enter PVRUSB2="interlace" to make it so.
	#if [[ $PVRUSB2 = "interlace" ]]; then
	#	cd ${S}/driver
	#	epatch ${FILESDIR}/interlace_enable.patch
	#fi
	
	cd ${S}
}


src_install() {
	
	insinto "/lib/firmware/"
	doins ${WORKDIR}/pvrusb2.f1 
	doins ${WORKDIR}/pvrusb2.f2
	doins ${WORKDIR}/v4l-cx2341x-enc.fw
	doins ${WORKDIR}/v4l-cx25840.fw
	doins ${WORKDIR}/v4l-pvrusb2-24xxx-01.fw
	
	dodoc ${S}/LICENSE.TXT
	dodoc ${S}/README
	dohtml ${S}/doc/pvrusb2-eeprom.html
	dohtml ${S}/doc/pvrusb2-faq.html
	dohtml ${S}/doc/pvrusb2-utils.html
	dohtml ${S}/doc/pvrusb2.html
	
	dodir /usr/share/doc/${PF}/doc
	insinto /usr/share/doc/${PF}/doc
	dodoc ${S}/doc/README
	dodoc ${S}/doc/controls.txt
	dodoc ${S}/doc/notes.txt
	dodoc ${S}/doc/protocol-info.txt
	
	dodir /usr/share/doc/${PF}/misc
	insinto /usr/share/doc/${PF}/misc
	doins ${S}/misc/*
	dodir /usr/share/doc/${PF}/utils
	insinto /usr/share/doc/${PF}/utils
	doins ${S}/utils/*
	
}

pkg_postinst() {
	linux-mod_pkg_postinst
	
	echo
	einfo "If /var/log/messages shows errors about no firmwares available,"
	einfo "use fwfind.sh & fwextract.pl to extract your firmwares manually"
	einfo "$ mkdir ./tmp && cd ./tmp"
	einfo "$ cp /usr/share/doc/pvrusb2*/utils/fw* ./ && chmod a+x fw*"
	echo
	einfo "Simply executing fwfind.sh should find and extract your firmwares."
	einfo "(fwfind.sh will also find cdrom drivers within /mnt/cdrom*)"
	echo
	einfo "# cp v4l-*.fw /lib/firmwares/"
	einfo "# rmmod pvrusb2 && modprobe pvrusb2 && ls /dev/v4l/"
	echo
	einfo "Mythtv works well with this device."
	echo
	echo
}