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/* SPDX-License-Identifier: GPL-2.0-only */
Field(ERAM, ByteAcc, NoLock, Preserve)
{
Offset(0x20),
SPTR, 8,
SSTS, 8,
SADR, 8,
SCMD, 8,
SBFR, 256,
}
Field(ERAM, ByteAcc, Lock, Preserve)
{
Offset(0x24),
SBDW, 16,
}
Method(SBPC, 0, NotSerialized)
{
Local0 = 1000
While (Local0)
{
If (SPTR == 0x00)
{
Return()
}
Sleep(1)
Local0--
}
}
Method(SBRW, 2, NotSerialized)
{
Acquire(ECLK, 0xFFFF)
SADR = ShiftLeft(Arg0, 0x01)
SCMD = Arg1
SPTR = 0x09
SBPC()
Local0 = SBDW
Release(ECLK)
Return(Local0)
}
Method(SBRB, 2, NotSerialized)
{
Acquire(ECLK, 0xFFFF)
SADR = ShiftLeft(Arg0, 0x01)
SCMD = Arg1
SPTR = 0x0B
SBPC()
Local0 = SBFR
Release(ECLK)
Return(Local0)
}
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
10, // 7: granularity1
10, // 8: granularity2
"", // 9: Model number
"", // A: Serial number
"", // B: Battery Type
"" // C: OEM information
})
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(_BIF, 0, NotSerialized)
{
BATS[1] = ^^SBRW(0x0B, 0x18) * 10
BATS[2] = ^^SBRW(0x0B, 0x10) * 10
BATS[4] = ^^SBRW(0x0B, 0x19)
BATS[9] = ^^SBRB(0x0B, 0x21)
BATS[11] = ^^SBRB(0x0B, 0x22)
BATS[12] = ^^SBRB(0x0B, 0x20)
Return(BATS)
}
Method(_STA, 0, NotSerialized)
{
If (^^SBRW(0x0A, 0x01) & 0x01) {
Return(0x1f)
} else {
Return(0x0f)
}
}
Method(_BST, 0, NotSerialized)
{
/* Check for battery presence. */
If (!(^^SBRW(0x0A, 0x01) & 0x01)) {
Return(Package(4) {
0,
0xFFFFFFFF,
0xFFFFFFFF,
0xFFFFFFFF
})
}
Local1 = ^^SBRW(0x0B, 0x09)
BATI[3] = Local1
Local0 = ^^SBRW(0x0B, 0x0A)
/* Sign-extend Local0. */
If (Local0 & 0x8000)
{
Local0 = ~Local0
Local0++
Local0 &= 0xFFFF
}
Local0 *= Local1
BATI[1] = Local0 / 1000
BATI[2] = ^^SBRW(0x0B, 0x0F) * 10
If (HPAC) {
If (!(^^SBRW(0x0B, 0x16) & 0x40)) {
BATI[0] = 2
} Else {
BATI[0] = 0
}
} Else {
BATI[0] = 1
}
Return(BATI)
}
}
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