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+// SSDT-BATC.dsl
+//
+// Based on https://github.com/RehabMan/OS-X-ACPI-Battery-Driver/blob/master/SSDT-BATC.dsl
+//
+// An SSDT to combine two batteries into one
+// initial work/testing by ag6952563 (with assistance by RehabMan)
+// finalize into generic SSDT by RehabMan
+// some code cleanup/optimization/and bug fixing by RehabMan
+// modifications to work VirtualSMC SMCBatteryManager by armenio
+// add _BIX (easy, following the original code from RehabMan) by armenio
+//
+// OS X support for multiple batteries is a bit buggy.
+// This SSDT can be used to combine two batteries into one,
+// avoiding the bugs.
+//
+// It may need modification depending on the ACPI path of your
+// existing battery objects.
+//
+
+// IMPORTANT:
+//
+// To use this SSDT, you must also patch any Notify for either BAT0 or BAT1
+// objects.
+//
+// The Notify is used to tell the system when a battery is removed or added.
+//
+// Any code:
+// Notify (...BAT0, ...)
+// -or
+// Notify (...BAT1, ...)
+//
+// Must be changed to:
+// Notify (...BATC, ...)
+//
+// Refer to Dual Battery Support.md for patching details
+//
+
+DefinitionBlock ("", "SSDT", 2, "ACDT", "BATC", 0x00000000)
+{
+ External (_SB_.PCI0.LPCB.EC, DeviceObj)
+ External (_SB_.PCI0.LPCB.EC.BAT0, DeviceObj)
+ External (_SB_.PCI0.LPCB.EC.BAT0._BIF, MethodObj)
+ External (_SB_.PCI0.LPCB.EC.BAT0._BIX, MethodObj)
+ External (_SB_.PCI0.LPCB.EC.BAT0._BST, MethodObj)
+ External (_SB_.PCI0.LPCB.EC.BAT0._HID, IntObj)
+ External (_SB_.PCI0.LPCB.EC.BAT0._STA, MethodObj)
+ External (_SB_.PCI0.LPCB.EC.BAT1, DeviceObj)
+ External (_SB_.PCI0.LPCB.EC.BAT1._BIF, MethodObj)
+ External (_SB_.PCI0.LPCB.EC.BAT1._BIX, MethodObj)
+ External (_SB_.PCI0.LPCB.EC.BAT1._BST, MethodObj)
+ External (_SB_.PCI0.LPCB.EC.BAT1._HID, IntObj)
+ External (_SB_.PCI0.LPCB.EC.BAT1._STA, MethodObj)
+
+ Scope (\_SB.PCI0.LPCB.EC)
+ {
+ Device (BATC)
+ {
+ Name (_HID, EisaId ("PNP0C0A"))
+ Name (_UID, 0x02)
+
+ Method (_INI)
+ {
+ If (_OSI ("Darwin"))
+ {
+ // disable original battery objects by setting invalid _HID
+ ^^BAT0._HID = 0
+ ^^BAT1._HID = 0
+ }
+ }
+
+ Method (_STA)
+ {
+ If (_OSI ("Darwin"))
+ {
+ // call original _STA for BAT0 and BAT1
+ // result is bitwise OR between them
+ Return (^^BAT0._STA () | ^^BAT1._STA ())
+ }
+ Else
+ {
+ Return (Zero)
+ }
+ }
+
+ Method (_BIF)
+ {
+ // Local0 BAT0._BIF
+ // Local1 BAT1._BIF
+ // Local2 BAT0._STA
+ // Local3 BAT1._STA
+ // Local4/Local5 scratch
+
+ // gather and validate data from BAT0
+ Local0 = ^^BAT0._BIF ()
+ Local2 = ^^BAT0._STA ()
+ If (0x1f == Local2)
+ {
+ // check for invalid design capacity
+ Local4 = DerefOf (Local0 [1])
+ If (!Local4 || Ones == Local4) { Local2 = 0; }
+ // check for invalid last full charge capacity
+ Local4 = DerefOf (Local0 [2])
+ If (!Local4 || Ones == Local4) { Local2 = 0; }
+ // check for invalid design voltage
+ Local4 = DerefOf (Local0 [4])
+ If (!Local4 || Ones == Local4) { Local2 = 0; }
+ }
+ // gather and validate data from BAT1
+ Local1 = ^^BAT1._BIF ()
+ Local3 = ^^BAT1._STA ()
+ If (0x1f == Local3)
+ {
+ // check for invalid design capacity
+ Local4 = DerefOf (Local1 [1])
+ If (!Local4 || Ones == Local4) { Local3 = 0; }
+ // check for invalid last full charge capacity
+ Local4 = DerefOf (Local1 [2])
+ If (!Local4 || Ones == Local4) { Local3 = 0; }
+ // check for invalid design voltage
+ Local4 = DerefOf (Local1 [4])
+ If (!Local4 || Ones == Local4) { Local3 = 0; }
+ }
+ // find primary and secondary battery
+ If (0x1f != Local2 && 0x1f == Local3)
+ {
+ // make primary use BAT1 data
+ Local0 = Local1 // BAT1._BIF result
+ Local2 = Local3 // BAT1._STA result
+ Local3 = 0 // no secondary battery
+ }
+ // combine batteries into Local0 result if possible
+ If (0x1f == Local2 && 0x1f == Local3)
+ {
+ // _BIF 0 Power Unit - leave BAT0 value
+ // _BIF 1 Design Capacity - add BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [1])
+ Local5 = DerefOf (Local1 [1])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [1] = Local4 + Local5
+ }
+ // _BIF 2 Last Full Charge Capacity - add BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [2])
+ Local5 = DerefOf (Local1 [2])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [2] = Local4 + Local5
+ }
+ // _BIF 3 Battery Technology - leave BAT0 value
+ // _BIF 4 Design Voltage - average between BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [4])
+ Local5 = DerefOf (Local1 [4])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [4] = (Local4 + Local5) / 2
+ }
+ // _BIF 5 Design Capacity of Warning - add BAT0 and BAT1 values
+ Local0 [5] = DerefOf (Local0 [5]) + DerefOf (Local1 [5])
+ // _BIF 6 Design Capacity of Low - add BAT0 and BAT1 values
+ Local0 [6] = DerefOf (Local0 [6]) + DerefOf (Local1 [6])
+ // _BIF 7 Battery Capacity Granularity 1 - add BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [7])
+ Local5 = DerefOf (Local1 [7])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [7] = Local4 + Local5
+ }
+ // _BIF 8 Battery Capacity Granularity 2 - add BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [8])
+ Local5 = DerefOf (Local1 [8])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [8] = Local4 + Local5
+ }
+ // _BIF 9 Model Number - concatenate BAT0 and BAT1 values
+ Local0 [0x09] = Concatenate (Concatenate (DerefOf (Local0 [0x09]), " / "), DerefOf (Local1 [0x09]))
+ // _BIF a Serial Number - concatenate BAT0 and BAT1 values
+ Local0 [0x0a] = Concatenate (Concatenate (DerefOf (Local0 [0x0a]), " / "), DerefOf (Local1 [0x0a]))
+ // _BIF b Battery Type - concatenate BAT0 and BAT1 values
+ Local0 [0x0b] = Concatenate (Concatenate (DerefOf (Local0 [0x0b]), " / "), DerefOf (Local1 [0x0b]))
+ // _BIF c OEM Information - concatenate BAT0 and BAT1 values
+ Local0 [0x0c] = Concatenate (Concatenate (DerefOf (Local0 [0x0c]), " / "), DerefOf (Local1 [0x0c]))
+ }
+
+ Return (Local0)
+ } // _BIF
+
+ Method (_BIX)
+ {
+ // Local0 BAT0._BIX
+ // Local1 BAT1._BIX
+ // Local2 BAT0._STA
+ // Local3 BAT1._STA
+ // Local4/Local5 scratch
+
+ // gather and validate data from BAT0
+ Local0 = ^^BAT0._BIX ()
+ Local2 = ^^BAT0._STA ()
+ If (0x1f == Local2)
+ {
+ // check for invalid design capacity
+ Local4 = DerefOf (Local0 [2])
+ If (!Local4 || Ones == Local4) { Local2 = 0; }
+ // check for invalid last full charge capacity
+ Local4 = DerefOf (Local0 [3])
+ If (!Local4 || Ones == Local4) { Local2 = 0; }
+ // check for invalid design voltage
+ Local4 = DerefOf (Local0 [5])
+ If (!Local4 || Ones == Local4) { Local2 = 0; }
+ }
+ // gather and validate data from BAT1
+ Local1 = ^^BAT1._BIX ()
+ Local3 = ^^BAT1._STA ()
+ If (0x1f == Local3)
+ {
+ // check for invalid design capacity
+ Local4 = DerefOf (Local1 [2])
+ If (!Local4 || Ones == Local4) { Local3 = 0; }
+ // check for invalid last full charge capacity
+ Local4 = DerefOf (Local1 [3])
+ If (!Local4 || Ones == Local4) { Local3 = 0; }
+ // check for invalid design voltage
+ Local4 = DerefOf (Local1 [5])
+ If (!Local4 || Ones == Local4) { Local3 = 0; }
+ }
+ // find primary and secondary battery
+ If (0x1f != Local2 && 0x1f == Local3)
+ {
+ // make primary use BAT1 data
+ Local0 = Local1 // BAT1._BIX result
+ Local2 = Local3 // BAT1._STA result
+ Local3 = 0 // no secondary battery
+ }
+ // combine batteries into Local0 result if possible
+ If (0x1f == Local2 && 0x1f == Local3)
+ {
+ // _BIX 0 Revision - leave BAT0 value
+ // _BIX 1 Power Unit - leave BAT0 value
+ // _BIX 2 Design Capacity - add BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [2])
+ Local5 = DerefOf (Local1 [2])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [2] = Local4 + Local5
+ }
+ // _BIX 3 Last Full Charge Capacity - add BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [3])
+ Local5 = DerefOf (Local1 [3])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [3] = Local4 + Local5
+ }
+ // _BIX 4 Battery Technology - leave BAT0 value
+ // _BIX 5 Design Voltage - average between BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [5])
+ Local5 = DerefOf (Local1 [5])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [5] = (Local4 + Local5) / 2
+ }
+ // _BIX 6 Design Capacity of Warning - add BAT0 and BAT1 values
+ Local0 [6] = DerefOf (Local0 [6]) + DerefOf (Local1 [6])
+ // _BIX 7 Design Capacity of Low - add BAT0 and BAT1 values
+ Local0 [7] = DerefOf (Local0 [7]) + DerefOf (Local1 [7])
+ // _BIX 8 Cycle Count - average between BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [8])
+ Local5 = DerefOf (Local1 [8])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [8] = (Local4 + Local5) / 2
+ }
+ // _BIX 9 Measurement Accuracy - average between BAT0 and BAT1 values
+ Local0 [9] = (DerefOf (Local0 [9]) + DerefOf (Local1 [9])) / 2
+ // _BIX 0xa Max Sampling Time - average between BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [0xa])
+ Local5 = DerefOf (Local1 [0xa])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [0xa] = (Local4 + Local5) / 2
+ }
+ // _BIX 0xb Min Sampling Time - average between BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [0xb])
+ Local5 = DerefOf (Local1 [0xb])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [0xb] = (Local4 + Local5) / 2
+ }
+ // _BIX 0xc Max Averaging Interval - average between BAT0 and BAT1 values
+ Local0 [0xc] = (DerefOf (Local0 [0xc]) + DerefOf (Local1 [0xc])) / 2
+ // _BIX 0xd Min Averaging Interval - average between BAT0 and BAT1 values
+ Local0 [0xd] = (DerefOf (Local0 [0xd]) + DerefOf (Local1 [0xd])) / 2
+ // _BIX 0xe Battery Capacity Granularity 1 - add BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [0xe])
+ Local5 = DerefOf (Local1 [0xe])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [0xe] = Local4 + Local5
+ }
+ // _BIX 0xf Battery Capacity Granularity 2 - add BAT0 and BAT1 values
+ Local4 = DerefOf (Local0 [0xf])
+ Local5 = DerefOf (Local1 [0xf])
+ If (0xffffffff != Local4 && 0xffffffff != Local5)
+ {
+ Local0 [0xf] = Local4 + Local5
+ }
+ // _BIX 10 Model Number - concatenate BAT0 and BAT1 values
+ Local0 [0x10] = Concatenate (Concatenate (DerefOf (Local0 [0x10]), " / "), DerefOf (Local1 [0x10]))
+ // _BIX 11 Serial Number - concatenate BAT0 and BAT1 values
+ Local0 [0x11] = Concatenate (Concatenate (DerefOf (Local0 [0x11]), " / "), DerefOf (Local1 [0x11]))
+ // _BIX 12 Battery Type - concatenate BAT0 and BAT1 values
+ Local0 [0x12] = Concatenate (Concatenate (DerefOf (Local0 [0x12]), " / "), DerefOf (Local1 [0x12]))
+ // _BIX 13 OEM Information - concatenate BAT0 and BAT1 values
+ Local0 [0x13] = Concatenate (Concatenate (DerefOf (Local0 [0x13]), " / "), DerefOf (Local1 [0x13]))
+ // _BIX 14 Battery Swapping Capability - leave BAT0 value for now
+ }
+ Return (Local0)
+ } // _BIX
+
+ Method (_BST)
+ {
+ // Local0 BAT0._BST
+ // Local1 BAT1._BST
+ // Local2 BAT0._STA
+ // Local3 BAT1._STA
+ // Local4/Local5 scratch
+
+ // gather battery data from BAT0
+ Local0 = ^^BAT0._BST ()
+ Local2 = ^^BAT0._STA ()
+ If (0x1f == Local2)
+ {
+ // check for invalid remaining capacity
+ Local4 = DerefOf (Local0 [2])
+ If (!Local4 || Ones == Local4) { Local2 = 0; }
+ }
+ // gather battery data from BAT1
+ Local1 = ^^BAT1._BST ()
+ Local3 = ^^BAT1._STA ()
+ If (0x1f == Local3)
+ {
+ // check for invalid remaining capacity
+ Local4 = DerefOf (Local1 [2])
+ If (!Local4 || Ones == Local4) { Local3 = 0; }
+ }
+ // find primary and secondary battery
+ If (0x1f != Local2 && 0x1f == Local3)
+ {
+ // make primary use BAT1 data
+ Local0 = Local1 // BAT1._BST result
+ Local2 = Local3 // BAT1._STA result
+ Local3 = 0 // no secondary battery
+ }
+ // combine batteries into Local0 result if possible
+ If (0x1f == Local2 && 0x1f == Local3)
+ {
+ // _BST 0 - Battery State - if one battery is charging, then charging, else discharging
+ Local4 = DerefOf (Local0 [0])
+ Local5 = DerefOf (Local1 [0])
+ If (Local4 != Local5)
+ {
+ If (Local4 == 2 || Local5 == 2)
+ {
+ // 2 = charging
+ Local0 [0] = 2
+ }
+ ElseIf (Local4 == 1 || Local5 == 1)
+ {
+ // 1 = discharging
+ Local0 [0] = 1
+ }
+ ElseIf (Local4 == 3 || Local5 == 3)
+ {
+ Local0 [0] = 3
+ }
+ ElseIf (Local4 == 4 || Local5 == 4)
+ {
+ // critical
+ Local0 [0] = 4
+ }
+ ElseIf (Local4 == 5 || Local5 == 5)
+ {
+ // critical and discharging
+ Local0 [0] = 5
+ }
+ // if none of the above, just leave as BAT0 is
+ }
+
+ // _BST 1 - Battery Present Rate - add BAT0 and BAT1 values
+ Local0 [1] = DerefOf (Local0 [1]) + DerefOf (Local1 [1])
+ // _BST 2 - Battery Remaining Capacity - add BAT0 and BAT1 values
+ Local0 [2] = DerefOf (Local0 [2]) + DerefOf (Local1 [2])
+ // _BST 3 - Battery Present Voltage - average between BAT0 and BAT1 values
+ Local0 [3] = (DerefOf (Local0 [3]) + DerefOf (Local1 [3])) / 2
+ }
+ Return (Local0)
+ } // _BST
+ } // BATC
+ } // Scope (...)
+}
+//EOF