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/* SPDX-License-Identifier: GPL-2.0-only */
#define PBST_STATE 0
#define PBST_PRESENT_RATE 1
#define PBST_REMAINING_CAP 2
#define PBST_PRESENT_VOLT 3
#define PBIX_DESIGN_CAP 2
#define PBIX_LAST_FULL_CHG_CAP 3
#define PBIX_DESIGN_VOLT 5
#define PBIX_DESIGN_CAP_WARN 6
#define PBIX_DESIGN_CAP_LOW 7
#define PBIX_CYCLE_COUNT 8
#define PBIX_MODEL 16
#define PBIX_SERIAL 17
#define PBIX_TYPE 18
#define PBIX_OEM_INFO 19
Device (BAT0)
{
Name (_HID, EisaId ("PNP0C0A"))
Name (_UID, 0)
Name (_PCL, Package () { \_SB })
Name (BFCC, 0) /* Full Charge Capacity */
Name (PBST, Package () {
0, // Battery State
// [0] : Discharging
// [1] : Charging
// [2] : Critical Low
0, // Battery Present Rate
0, // Battery Remaining Capacity
0, // Battery Present Voltage
})
Name (PBIX, Package () {
1, // Revision
1, // Power Unit (1 = mA(h))
0, // Design Capacity
0, // Last Full Charge Capacity
1, // Battery Technology (1 = rechargeable)
0, // Design Voltage
0, // Design Capacity of Warning
0, // Design Capacity of Low
0, // Cycle Count
95000, // Measurement Accuracy (95 %)
0, // Max Sampling Time
0, // Min Sampling Time
0, // Max Averaging Interval
0, // Min Averaging Interval
1, // Battery Capacity Granularity 1 (low < warning)
1, // Battery Capacity Granularity 2 (warning < full)
" ", // Model Number
" ", // Serial Number
" ", // Battery Type
" ", // OEM Information
0, // Battery Swapping Capability (0 = not swappable)
})
Method (_STA)
{
Local0 = 0x0f
If (\_SB.PCI0.LPCB.EC0.BAT0)
{
Local0 |= 0x10 /* battery present */
}
Return (Local0)
}
Method (_BST)
{
/*
* Trigger update of static info update when
* the last full charge capacity changes.
* (This is what the vendor does.)
*/
If (BFCC != ToInteger (\_SB.PCI0.LPCB.EC0.BFC0))
{
Notify (BAT0, 0x81) /* information change */
}
/* Convert signed current to absolute value */
Local0 = ToInteger (\_SB.PCI0.LPCB.EC0.BPR0)
If (Local0 & 0x8000)
{
Local0 = (~Local0 & 0xffff) + 1
}
PBST [PBST_STATE] = ToInteger (\_SB.PCI0.LPCB.EC0.BST0)
PBST [PBST_PRESENT_RATE] = Local0
PBST [PBST_REMAINING_CAP] = ToInteger (\_SB.PCI0.LPCB.EC0.BRC0)
PBST [PBST_PRESENT_VOLT] = ToInteger (\_SB.PCI0.LPCB.EC0.BPV0)
Return (PBST)
}
Method (_BIX)
{
BFCC = ToInteger (\_SB.PCI0.LPCB.EC0.BFC0)
PBIX [PBIX_DESIGN_CAP] = ToInteger (\_SB.PCI0.LPCB.EC0.BDC0)
PBIX [PBIX_LAST_FULL_CHG_CAP] = ToInteger (\_SB.PCI0.LPCB.EC0.BFC0)
PBIX [PBIX_DESIGN_VOLT] = ToInteger (\_SB.PCI0.LPCB.EC0.BDV0)
PBIX [PBIX_DESIGN_CAP_WARN] = ToInteger (\_SB.PCI0.LPCB.EC0.BCW0)
PBIX [PBIX_DESIGN_CAP_LOW] = ToInteger (\_SB.PCI0.LPCB.EC0.BCL0)
PBIX [PBIX_CYCLE_COUNT] = ToInteger (\_SB.PCI0.LPCB.EC0.CYC0)
PBIX [PBIX_MODEL] = ToBuffer (\_SB.PCI0.LPCB.EC0.BMO0)
PBIX [PBIX_SERIAL] = ToHexString (\_SB.PCI0.LPCB.EC0.BSN0)
PBIX [PBIX_TYPE] = ToBuffer (\_SB.PCI0.LPCB.EC0.BTY0)
PBIX [PBIX_OEM_INFO] = ToBuffer (\_SB.PCI0.LPCB.EC0.BIF0)
Return (PBIX)
}
}
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