dsdt_blth.txt

dsdt_blth.txt

Scope (URT0)
{
    Device (BLTH)
    {
        Name (_HID, EisaId ("BCM2E7C"))  // _HID: Hardware ID
        Name (_CID, "apple-uart-blth")  // _CID: Compatible ID
        Name (_UID, One)  // _UID: Unique ID
        Name (_ADR, Zero)  // _ADR: Address
        Method (_STA, 0, NotSerialized)  // _STA: Status
        {
            Return (0x0F)
        }

        Method (_PRW, 0, NotSerialized)  // _PRW: Power Resources for Wake
        {
            If (OSDW ())
            {
                Return (Package (0x02)
                {
                    0x6F, 
                    0x04
                })
            }
            Else
            {
                Return (Package (0x02)
                {
                    0x6F, 
                    0x03
                })
            }
        }

        Method (_CRS, 0, Serialized)  // _CRS: Current Resource Settings
        {
            Name (UBUF, ResourceTemplate ()
            {
                UartSerialBusV2 (0x0001C200, DataBitsEight, StopBitsOne,
                    0xC0, LittleEndian, ParityTypeNone, FlowControlHardware,
                    0x0020, 0x0020, "\\_SB.PCI0.URT0",
                    0x00, ResourceProducer, , Exclusive,
                    )
            })
            Name (ABUF, ResourceTemplate ()
            {
            })
            If (!OSDW ())
            {
                Return (UBUF) /* \_SB_.PCI0.URT0.BLTH._CRS.UBUF */
            }

            Return (ABUF) /* \_SB_.PCI0.URT0.BLTH._CRS.ABUF */
        }

        Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
        {
            If ((Arg0 == ToUUID ("a0b5b7c6-1318-441c-b0c9-fe695eaf949b")))
            {
                Local0 = Package (0x08)
                    {
                        "baud", 
                        Buffer (0x08)
                        {
                                0xC0, 0xC6, 0x2D, 0x00, 0x00, 0x00, 0x00, 0x00   /* ..-..... */
                        }, 

                        "parity", 
                        Buffer (0x08)
                        {
                                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00   /* ........ */
                        }, 

                        "dataBits", 
                        Buffer (0x08)
                        {
                                0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00   /* ........ */
                        }, 

                        "stopBits", 
                        Buffer (0x08)
                        {
                                0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00   /* ........ */
                        }
                    }
                DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
                Return (Local0)
            }

            Return (Zero)
        }

        Method (BTPU, 0, Serialized)
        {
            ^^^LPCB.EC.BTPC = One
            Sleep (0x0A)
        }

        Method (BTPD, 0, Serialized)
        {
            ^^^LPCB.EC.BTPC = Zero
            Sleep (0x0A)
        }

        Method (BTRS, 0, Serialized)
        {
            BTPD ()
            BTPU ()
        }

        Method (BTLP, 1, Serialized)
        {
            If ((Arg0 == Zero))
            {
                SGDI (0x02010002)
            }

            If ((Arg0 == One))
            {
                SGOV (0x02010002, Zero)
                SGDO (0x02010002)
            }
        }
    }
}