/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */

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 */
	}
}