1 files changed, 155 insertions, 0 deletions
diff --git a/src/mainboard/packardbell/ms2290/acpi/battery.asl b/src/mainboard/packardbell/ms2290/acpi/battery.asl
new file mode 100644
index 0000000000..1ca2cf1714
--- /dev/null
+++ b/src/mainboard/packardbell/ms2290/acpi/battery.asl
@@ -0,0 +1,155 @@
+/* Arg0: Battery
+ * Arg1: Battery Status Package
+ * Arg2: charging
+ * Arg3: discharging
+ */
+Method(BSTA, 4, NotSerialized)
+{
+	Acquire(ECLK, 0xffff)
+	Store(0, Local0)
+
+	Store(0, PAGE)
+
+	Store(BAPR, Local2)
+
+	if (Arg2) // charging
+	{
+		Or(2, Local0, Local0)
+
+		If (LGreaterEqual (Local2, 0x8000)) {
+			Store(0, Local2)
+		}
+	}
+
+	if (Arg3) // discharging
+	{
+		Or(1, Local0, Local0)
+		Subtract(0x10000, Local2, Local2)
+	}
+
+	Store(Local0, Index(Arg1, 0x00))
+
+	Store(0, PAGE)
+	Store(BARC, Index(Arg1, 2))
+	Store(Local2, Index(Arg1, 1))
+
+	Store(0, PAGE)
+	Store(BAVO, Index(Arg1, 3))
+	Release(ECLK)
+	Return (Arg1)
+}
+
+Method(BINF, 2, NotSerialized)
+{
+	Acquire(ECLK, 0xffff)
+	Store(0, PAGE)
+	Store(BAFC, Local2)
+	Store(1, PAGE)
+	Store(BADC, Local1)
+
+	Store(Local1, Index(Arg0, 1))	// Design Capacity
+	Store(Local2, Index(Arg0, 2))	// Last full charge capacity
+	Store(1, PAGE)
+	Store(BADV, Index(Arg0, 4))	// Design Voltage
+	Divide (Local2, 20, Local0, Index(Arg0, 5)) // Warning capacity
+
+	Store(1, PAGE)
+	Store (BASN, Local0)
+	Name (SERN, Buffer (0x06) { "     " })
+	Store (4, Local1)
+	While (Local0)
+	{
+		Divide (Local0, 0x0A, Local2, Local0)
+		Add (Local2, 48, Index (SERN, Local1))
+		Decrement (Local1)
+	}
+	Store (SERN, Index (Arg0, 10)) // Serial Number
+
+	Name (TYPE, Buffer() { 0, 0, 0, 0, 0 })
+	Store(4, PAGE)
+	Store(BATY, TYPE)
+	Store(TYPE, Index (Arg0, 11)) // Battery type
+	Store(5, PAGE)
+	Store(BAOE, Index (Arg0, 12)) // OEM information
+	Store(2, PAGE)
+	Store(BANA, Index (Arg0, 9))  // Model number
+	Release(ECLK)
+	Return (Arg0)
+}
+
+Device (BAT0)
+{
+	Name (_HID, EisaId ("PNP0C0A"))
+	Name (_UID, 0x00)
+	Name (_PCL, Package () { \_SB })
+
+	Name (BATS, Package ()
+	{
+		0x00,			// 0: PowerUnit: Report in mWh
+		0xFFFFFFFF,		// 1: Design cap
+		0xFFFFFFFF,		// 2: Last full charge cap
+		0x01,			// 3: Battery Technology
+		10800,			// 4: Design Voltage (mV)
+		0x00,			// 5: Warning design capacity
+		200,			// 6: Low design capacity
+		1,			// 7: granularity1
+		1,			// 8: granularity2
+		"",			// 9: Model number
+		"",			// A: Serial number
+		"",			// B: Battery Type
+		""			// C: OEM information
+	})
+
+	Method (_BIF, 0, NotSerialized)
+	{
+		Return (BINF(BATS, 0))
+	}
+
+	Name (BATI, Package ()
+	{
+		0,			// Battery State
+					// Bit 0 - discharge
+					// Bit 1 - charge
+					// Bit 2 - critical state
+		0,			// Battery present Rate
+		0,			// Battery remaining capacity
+		0			// Battery present voltage
+	})
+
+	Method (_BST, 0, NotSerialized)
+	{
+		if (B0PR) {
+			Return (BSTA(0, BATI, B0CH, B0DI))
+		} else {
+			Return (BATS)
+		}
+	}
+
+	Method (_STA, 0, NotSerialized)
+	{
+		if (B0PR) {
+			Return (0x1f)
+		} else {
+			Return (0x0f)
+		}
+	}
+}
+
+/* Battery attach/detach */
+Method(_Q40, 0, NotSerialized)
+{
+	Notify(BAT0, 0x81)
+}
+Method(_Q41, 0, NotSerialized)
+{
+	Notify(BAT0, 0x81)
+}
+
+Method(_Q48, 0, NotSerialized)
+{
+	Notify(BAT0, 0x80)
+}
+Method(_Q4C, 0, NotSerialized)
+{
+	Notify(BAT0, 0x80)
+}