#
# By Chih-Wei Huang <cwhuang@linux.org.tw>
# Last updated 2010/03/15
#
# License: GNU Public License
# We explicitely grant the right to use the scripts
# with Android-x86 project.
#

# An auto detect function provided by kinneko
auto_detect()
{
	tmp=/tmp/dev2mod
	echo 'dev2mod() { while read dev; do case $dev in' > $tmp
	sort -r /lib/modules/`uname -r`/modules.alias | \
		sed -n 's/^alias  *\([^ ]*\)  *\(.*\)/\1)modprobe \2;;/p' >> $tmp
	echo 'esac; done; }' >> $tmp
	source $tmp
	cat /sys/bus/*/devices/*/modalias | dev2mod
}

# FB0DEV: framebuffer driver
# LANDEV: lan driver
# WIFDEV: wifi driver
# SNDDEV: sound driver
# CAMDEV: camera driver
# PREDEV: any module the drivers depend on but can't be loaded automatically
# EXTMOD: any other module

asus_info()
{
	# common for all Eee PC models
	[ -c /dev/fb0 ] || FB0DEV=i915
	EXTMOD=eeepc-laptop
	PREDEV=snd-hda-codec-realtek
	SNDDEV=snd-hda-intel
	CAMDEV=uvcvideo

	board=`cat /sys/class/dmi/id/product_name`
	# assume Eee PC models
	case "$board" in
		700|701|702|900)
			LANDEV=atl2
			WIFDEV=ath5k
			;;
		701SD|900SD)
			LANDEV=atl1e
			WIFDEV=rtl8187se
			;;
		900A|904HD|1000HD)
			LANDEV=atl1e
			WIFDEV=ath5k
			;;
		901|1000|1000H)
			LANDEV=atl1e
			WIFDEV=rt2860sta
			;;
		1005HA*)
			LANDEV=atl1c
			WIFDEV=ath9k
			;;
		ET1602*)
			# i915 is buggy on 2.6.29
			if uname -r | grep -q 2.6.29; then
				FB0DEV=
				UVESA_MODE=${UVESA_MODE:-1366x768}
			fi
			LANDEV=r8169
			WIFDEV=rt2860sta
			BOARD_USES_TSLIB=true
			;;
		ET2002*)
			FB0DEV=
			UVESA_MODE=${UVESA_MODE:-1600x900}
			LANDEV=r8169
			WIFDEV=ath9k
			BOARD_USES_TSLIB=true
			;;
		T91)
			FB0DEV=
			UVESA_MODE=${UVESA_MODE:-1024x600}
			LANDEV=atl1e
			WIFDEV=ath9k
			BOARD_USES_TSLIB=true
			;;
		T101)
			LANDEV=atl1e
			WIFDEV=ath9k
			BOARD_USES_TSLIB=true
			;;
		A6VM*)
			EXTMOD=asus-laptop
			LANDEV=skge
			WIFDEV=ipw2200
			;;
		*)
			LANDEV=atl1e
			WIFDEV=ath9k
			;;
	esac
}

samsung_info()
{
	[ -c /dev/fb0 ] || FB0DEV=i915
	EXTMOD=hso
	PREDEV=snd-hda-codec-realtek mii rfkill
	SNDDEV=snd-hda-intel
	CAMDEV=gspca_vc032x
	WIFDEV=ath5k
	LANDEV=b44
}

vbox_info()
{
	LANDEV=pcnet32
	SNDDEV="snd-sb16 isapnp=0 irq=5"
}

qemu_info()
{
	LANDEV=8139cp
	SNDDEV=snd-ens1370
}

vmware_info()
{
	LANDEV=pcnet32
	SNDDEV=snd-ens1371
}

detect_hardware()
{
	[ "$AUTO" = "1" ] && return
	case "`cat /sys/class/dmi/id/uevent`" in
		*ASUSTeK*)
			get_info=asus_info
			;;
		*SAMSUNG*)
			get_info=samsung_info
			;;
		*Acer*AO*)
			get_info=ao_info
			;;
		*VirtualBox*)
			get_info=vbox_info
			;;
		*QEMU*)
			get_info=qemu_info
			;;
		*VMware*)
			get_info=vmware_info
			;;
		*)
			;;
	esac
	[ -n "$get_info" ] && $get_info && FOUND=1
}

find_network_dev_name()
{
	wififound=0
	rmline=`grep -n "#REMOVE FROM HERE" init.rc|cut -d':' -f1`
	rmline=`expr $rmline + 1`
	sed -i -e "$rmline,\$d" init.rc
	for netdev in `ls /sys/class/net`; do
		if [ $netdev = "lo" -o $netdev = "wmaster0" ]; then
			continue
		fi		
		w=/sys/class/net/$netdev
		if [ -d $w/wireless -o -d $w/phy80211 ]; then
			if [ $wififound -eq 0 ]; then
				sed -i "s|\(^ *service wpa_supplicant .*\)\(-i.*\)\( -c.*$\)|\1-i $netdev\3|g" init.rc
				wififound=1
			fi
		fi
		echo "service dhcpcd$netdev /system/bin/dhcpcd $netdev" >> init.rc
		echo "   group system dhcp" >> init.rc
		echo "   disabled" >>init.rc
		echo "   oneshot" >> init.rc
	done
}

load_modules()
{
	if [ -n "$FOUND" ]; then
		EXTMOD="$EXTMOD cdc-acm option pppoe ppp-async ppp-deflate bsd-comp"
		BTDEV="bnep rfcomm sco btusb"
		for m in $PREDEV $EXTMOD $BTDEV; do
			modprobe $m
		done
		[ -n "$FB0DEV" -a -z "$UVESA_MODE" ] && modprobe $FB0DEV
		[ -n "$LANDEV" ] && modprobe $LANDEV
		[ -n "$WIFDEV" ] && modprobe $WIFDEV
		[ -n "$SNDDEV" ] && modprobe $SNDDEV
		[ -n "$CAMDEV" ] && modprobe $CAMDEV
	else
		auto_detect
	fi

	mdev -s
	[ -c /dev/video0 ] || modprobe vivi
	[ -d /proc/asound/card0 ] || modprobe snd-dummy
	[ -c /dev/fb0 ] || modprobe uvesafb mode_option=${UVESA_MODE:-800x600}-16 ${UVESA_OPTION:-mtrr=3 scroll=redraw}
	find_network_dev_name
#	find_wifi_dev_name
}