Snail/sbin/snail.nv_pwr_off

#!/bin/bash

TRIES=8

lsmod | grep '^nouveau ' >/dev/null && rmmod -f nouveau &>/dev/null

# Trying bbswitch method
if [ -f /proc/acpi/bbswitch ]; then
	let tries=$TRIES
	while [ 0 -lt $tries ]; do
		(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
		&& echo 'OFF' > /proc/acpi/bbswitch \
		&& exit 0

		sleep 0.1
		let tries--
		# echo "tries left: $tries"
	done
fi

# Trying acpi_call method
if [ -f /proc/acpi/call ]; then
	model=`dmidecode $@ -s system-product-name`
	tries=$TRIES
	while [ 0 -lt $tries ]; do
		case "$model" in
			M11XR2)
		                (! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.P0P2.PEGP.NVOP 0 0x100 0x1A {255,255,255,255}' > /proc/acpi/call \
				&& echo '\_SB.PCI0.P0P2.PEGP._PS3' > /proc/acpi/call \
				&& exit 0
			;;
			1015PN)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\OSGS 0x03' > /proc/acpi/call \
				&& exit 0
			;;
			1215N)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.P0P4.GFX0._DSM {0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0} 0x100 0x1A {0x1,0x0,0x0,0x3}' > /proc/acpi/call \
				&& echo '\_SB.PCI0.P0P4.GFX0._PS3' > /proc/acpi/call \
				&& exit 0
			;;
			K42Jc|K52Jc|N53Jf|N53Jg|N71Jv|N73Jf|P52Jc|PL80Jt|U30Jc|U33Jc|U35Jc|U36Jc|UL80Jt)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.PEG1.GFX0.DOFF' > /proc/acpi/call \
				&& exit 0
			;;
			N61Jv|N73Sv)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.PEGR.GFX0.DOFF' > /proc/acpi/call \
				&& exit 0
			;;
			P31Jg)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.PEG1.GFX0._PS3' > /proc/acpi/call \
				&& exit 0
			;;
			U43Jc)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.RP00.VGA._DSM {0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0} 0x100 0x1A {0x1,0x0,0x0,0x3}' > /proc/acpi/call \
				&& echo '\_SB.PCI0.RP00.VGA._PS3' > /proc/acpi/call \
				&& exit 0
			;;
			UL30Vt)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.P0P1.VGA._OFF' > /proc/acpi/call \
				&& exit 0
			;;
			E6420)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.PEG0.VID._OFF' > /proc/acpi/call \
				&& exit 0
			;;
			InspironN5110|XPSL702X)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.PEG0.PEGP._DSM {0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0} 0x100 0x1A {0x1,0x0,0x0,0x3}' > /proc/acpi/call \
				&& echo '\_SB.PCI0.PEG0.PEGP._PS3' > /proc/acpi/call \
				&& exit 0
			;;
			Vostro3300|Vostro3500)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.P0P1.PEGP._OFF' > /proc/acpi/call \
				&& exit 0
			;;
			XPS15)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.PEG0.PEGP._OFF' > /proc/acpi/call \
				&& exit 0
			;;
			ThinkPadT410)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.PEG.VID._PS3' > /proc/acpi/call \
				&& echo '\_SB.PCI0.PEG.VID._OFF' > /proc/acpi/call \
				&& exit 0
			;;
			ThinkPadT420)
				(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
				&& echo '\_SB.PCI0.PEG.VID._DSM {0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0} 0x100 0x1A {0x1,0x0,0x0,0x3}' > /proc/acpi/call \
				&& echo '\_SB.PCI0.PEG.VID._PS3' > /proc/acpi/call \
				&& exit 0
			;;
			*) echo "Snail: unknown Notebook model: $model"; exit -1
			;;
		esac

		sleep 0.1
		let tries--
		# echo "tries left: $tries"
	done
fi

# Trying vgaswitcheroo method
if [ -f /sys/kernel/debug/vgaswitcheroo/switch ]; then
	let tries=$TRIES
	while [ 0 -lt $tries ]; do
		(! lsmod | grep '^nvidia ' &>/dev/null || rmmod nvidia &>/dev/null) \
		&& echo 'OFF' > /sys/kernel/debug/vgaswitcheroo/switch \
		&& exit 0

		sleep 0.1
		let tries--
		echo "tries left: $tries"
	done
fi

echo "Cann't power off nVidia chip"
exit -1