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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
/* Arg0: Battery
* Arg1: Battery Status Package
* Arg2: charging
* Arg3: discharging
*/
Method(BSTA, 4, NotSerialized)
{
Acquire(ECLK, 0xffff)
Store(0, Local0)
Store(0, PAGE)
Store(BAPR, Local2)
if (Arg2) // charging
{
Or(2, Local0, Local0)
If (LGreaterEqual (Local2, 0x8000)) {
Store(0, Local2)
}
}
if (Arg3) // discharging
{
Or(1, Local0, Local0)
Subtract(0x10000, Local2, Local2)
}
Store(Local0, Index(Arg1, 0x00))
Store(0, PAGE)
Store(BARC, Index(Arg1, 2))
Store(Local2, Index(Arg1, 1))
Store(0, PAGE)
Store(BAVO, Index(Arg1, 3))
Release(ECLK)
Return (Arg1)
}
Method(BINF, 2, Serialized)
{
Acquire(ECLK, 0xffff)
Store(0, PAGE)
Store(BAFC, Local2)
Store(1, PAGE)
Store(BADC, Local1)
Store(Local1, Index(Arg0, 1)) // Design Capacity
Store(Local2, Index(Arg0, 2)) // Last full charge capacity
Store(1, PAGE)
Store(BADV, Index(Arg0, 4)) // Design Voltage
Divide (Local2, 20, Local0, Index(Arg0, 5)) // Warning capacity
Store(1, PAGE)
Store (BASN, Local0)
Name (SERN, Buffer (0x06) { " " })
Store (4, Local1)
While (Local0)
{
Divide (Local0, 0x0A, Local2, Local0)
Add (Local2, 48, Index (SERN, Local1))
Decrement (Local1)
}
Store (SERN, Index (Arg0, 10)) // Serial Number
Name (TYPE, Buffer() { 0, 0, 0, 0, 0 })
Store(4, PAGE)
Store(BATY, TYPE)
Store(TYPE, Index (Arg0, 11)) // Battery type
Store(5, PAGE)
Store(BAOE, Index (Arg0, 12)) // OEM information
Store(2, PAGE)
Store(BANA, Index (Arg0, 9)) // Model number
Release(ECLK)
Return (Arg0)
}
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
1, // 7: granularity1
1, // 8: granularity2
"", // 9: Model number
"", // A: Serial number
"", // B: Battery Type
"" // C: OEM information
})
Method (_BIF, 0, NotSerialized)
{
Return (BINF(BATS, 0))
}
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 (_BST, 0, NotSerialized)
{
if (B0PR) {
Return (BSTA(0, BATI, B0CH, B0DI))
} else {
Return (BATS)
}
}
Method (_STA, 0, NotSerialized)
{
if (B0PR) {
Return (0x1f)
} else {
Return (0x0f)
}
}
}
/* Battery attach/detach */
Method(_Q40, 0, NotSerialized)
{
Notify(BAT0, 0x81)
}
Method(_Q41, 0, NotSerialized)
{
Notify(BAT0, 0x81)
}
Method(_Q48, 0, NotSerialized)
{
Notify(BAT0, 0x80)
}
Method(_Q4C, 0, NotSerialized)
{
Notify(BAT0, 0x80)
}
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