1 files changed, 183 insertions, 0 deletions
diff --git a/src/mainboard/system76/lemp9/acpi/battery.asl b/src/mainboard/system76/lemp9/acpi/battery.asl
new file mode 100644
index 000000000000..c1e6c6ce1dc1
--- /dev/null
+++ b/src/mainboard/system76/lemp9/acpi/battery.asl
@@ -0,0 +1,183 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 System76
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+Device (BAT0)
+{
+	Name (_HID, EisaId ("PNP0C0A") /* Control Method Battery */)  // _HID: Hardware ID
+	Name (_UID, Zero)  // _UID: Unique ID
+	Name (_PCL, Package (0x01)  // _PCL: Power Consumer List
+	{
+		_SB
+	})
+	Name (BFCC, Zero)
+	Method (_STA, 0, NotSerialized)  // _STA: Status
+	{
+		If (^^PCI0.LPCB.EC0.ECOK)
+		{
+			If (^^PCI0.LPCB.EC0.BAT0)
+			{
+				Return (0x1F)
+			}
+			Else
+			{
+				Return (0x0F)
+			}
+		}
+		Else
+		{
+			Return (0x0F)
+		}
+	}
+
+	Name (PBIF, Package (0x0D)
+	{
+		One,
+		0xFFFFFFFF,
+		0xFFFFFFFF,
+		One,
+		0x39D0,
+		Zero,
+		Zero,
+		0x40,
+		0x40,
+		"BAT",
+		"0001",
+		"LION",
+		"Notebook"
+	})
+	Method (IVBI, 0, NotSerialized)
+	{
+		PBIF [One] = 0xFFFFFFFF
+		PBIF [0x02] = 0xFFFFFFFF
+		PBIF [0x04] = 0xFFFFFFFF
+		PBIF [0x09] = " "
+		PBIF [0x0A] = " "
+		PBIF [0x0B] = " "
+		PBIF [0x0C] = " "
+		BFCC = Zero
+	}
+
+	Method (UPBI, 0, NotSerialized)
+	{
+		If (^^PCI0.LPCB.EC0.BAT0)
+		{
+			Local0 = (^^PCI0.LPCB.EC0.BDC0 & 0xFFFF)
+			PBIF [One] = Local0
+			Local0 = (^^PCI0.LPCB.EC0.BFC0 & 0xFFFF)
+			PBIF [0x02] = Local0
+			BFCC = Local0
+			Local0 = (^^PCI0.LPCB.EC0.BDV0 & 0xFFFF)
+			PBIF [0x04] = Local0
+			Local0 = (^^PCI0.LPCB.EC0.BCW0 & 0xFFFF)
+			PBIF [0x05] = Local0
+			Local0 = (^^PCI0.LPCB.EC0.BCL0 & 0xFFFF)
+			PBIF [0x06] = Local0
+			PBIF [0x09] = "BAT"
+			PBIF [0x0A] = "0001"
+			PBIF [0x0B] = "LION"
+			PBIF [0x0C] = "Notebook"
+		}
+		Else
+		{
+			IVBI ()
+		}
+	}
+
+	Method (_BIF, 0, NotSerialized)  // _BIF: Battery Information
+	{
+		If (^^PCI0.LPCB.EC0.ECOK)
+		{
+			UPBI ()
+		}
+		Else
+		{
+			IVBI ()
+		}
+
+		Return (PBIF) /* \_SB_.BAT0.PBIF */
+	}
+
+	Name (PBST, Package (0x04)
+	{
+		Zero,
+		0xFFFFFFFF,
+		0xFFFFFFFF,
+		0x3D90
+	})
+	Method (IVBS, 0, NotSerialized)
+	{
+		PBST [Zero] = Zero
+		PBST [One] = 0xFFFFFFFF
+		PBST [0x02] = 0xFFFFFFFF
+		PBST [0x03] = 0x2710
+	}
+
+	Method (UPBS, 0, NotSerialized)
+	{
+		If (^^PCI0.LPCB.EC0.BAT0)
+		{
+			Local0 = Zero
+			Local1 = Zero
+			If (^^AC.ACFG)
+			{
+				If (((^^PCI0.LPCB.EC0.BST0 & 0x02) == 0x02))
+				{
+					Local0 |= 0x02
+					Local1 = (^^PCI0.LPCB.EC0.BPR0 & 0xFFFF)
+				}
+			}
+			Else
+			{
+				Local0 |= One
+				Local1 = (^^PCI0.LPCB.EC0.BPR0 & 0xFFFF)
+			}
+
+			Local7 = (Local1 & 0x8000)
+			If ((Local7 == 0x8000))
+			{
+				Local1 ^= 0xFFFF
+			}
+
+			Local2 = (^^PCI0.LPCB.EC0.BRC0 & 0xFFFF)
+			Local3 = (^^PCI0.LPCB.EC0.BPV0 & 0xFFFF)
+			PBST [Zero] = Local0
+			PBST [One] = Local1
+			PBST [0x02] = Local2
+			PBST [0x03] = Local3
+			If ((BFCC != ^^PCI0.LPCB.EC0.BFC0))
+			{
+				Notify (BAT0, 0x81) // Information Change
+			}
+		}
+		Else
+		{
+			IVBS ()
+		}
+	}
+
+	Method (_BST, 0, NotSerialized)  // _BST: Battery Status
+	{
+		If (^^PCI0.LPCB.EC0.ECOK)
+		{
+			UPBS ()
+		}
+		Else
+		{
+			IVBS ()
+		}
+
+		Return (PBST) /* \_SB_.BAT0.PBST */
+	}
+}