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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
Mutex (BATM, 0)
Method (ESTA, 1, Serialized)
{
/* Check battery presence */
If (Arg0 == 1) {
Local0 = R (BTEX)
} ElseIf (Arg0 == 2) {
Local0 = R (P3B2)
} Else {
Local0 = Zero
}
/* Indicate battery is present */
If (Local0) {
Return (0x1f)
} Else {
Return (0xf)
}
}
Name (BSTM, 0x01) /* Battery Model String */
Name (BSTC, 0x02) /* Battery Chemistry String */
Name (BSTG, 0x03) /* Battery Manufacturer String */
/*
* Read a battery string from the EC
* Arg0 = Battery String ID
* BSTM = Model
* BSTC = Chemical
* BSTG = Manufacturer
*/
Method (BSTR, 1, Serialized)
{
/* Max string length */
Local0 = 32
/* Select battery string */
W (SSEL, Arg0)
/* Fill buffer until NUL or max string length is read */
Name (IBUF, Buffer (Local0 + One) {})
For (Local1 = Zero, Local1 < Local0, Local1++) {
Local2 = R (BSBS)
If (!Local2) {
Break
}
IBUF[Local1] = Local2
}
/* Truncate and NUL terminate */
Local1++
Name (OBUF, Buffer (Local1) {})
OBUF = Concatenate (IBUF, Zero)
Return (OBUF)
}
/*
* Handle Battery Status
* Arg0 = Battery Number
* Arg1 = _BST package
*/
Method (EBST, 2, Serialized)
{
If (Acquire (BATM, 1000)) {
Return (Arg1)
}
/* Select battery */
W (BSEL, Arg0)
/* 0: Battery State */
Arg1[0] = R (BCST)
/* 1: Battery Present Rate */
Local0 = R (BCCL)
If (!Local0) {
Local0++
} ElseIf (R (ACEX)) {
If (Local0 & 0x8000) {
Local0 = Ones
}
} Else {
If (Local0 & 0x8000) {
Local0 = 0 - Local0
Local0 &= 0xffff
} Else {
Local0 = Ones
}
}
Arg1[1] = Local0
/* 2: Battery Remaining Capacity */
Arg1[2] = R (BCYL)
/* 3: Battery Present Voltage */
Arg1[3] = R (BCVL)
Release (BATM)
Return (Arg1)
}
/*
* Handle Battery Info
* Arg0 = Battery Number
* Arg1 = _BIF package
*/
Method (EBIF, 2, Serialized)
{
If (Acquire (BATM, 1000)) {
Return (Arg1)
}
/* Select battery */
W (BSEL, Arg0)
/* Design Capacity */
Local0 = R (BSCL)
Arg1[1] = Local0
/* Last Full Charge Capacity */
Arg1[2] = R (BSFL)
/* Design Voltage */
Arg1[4] = R (BSVL)
/* Design Warning Capacity */
Arg1[5] = (Local0 * 10) / 100
/* Design Low Capacity */
Arg1[6] = (Local0 * 33) / 100
/* Granularity */
Arg1[7] = Local0 / 100
Arg1[8] = Local0 / 100
/* Battery Model Number */
Arg1[9] = BSTR (BSTM)
/* Battery Serial Number */
Arg1[10] = ToDecimalString (R (BSSL))
/* Battery Type */
Arg1[11] = BSTR (BSTC)
/* Battery Manufacturer Name */
Arg1[12] = BSTR (BSTG)
Release (BATM)
Return (Arg1)
}
/*
* Handle Battery Info Extended
* Arg0 = Battery Number
* Arg1 = _BIX package
*/
Method (EBIX, 2, Serialized)
{
If (Acquire (BATM, 1000)) {
Return (Arg1)
}
/* Select battery */
W (BSEL, Arg0)
/* Design Capacity */
Local0 = R (BSCL)
Arg1[2] = Local0
/* Last Full Charge Capacity */
Arg1[3] = R (BSFL)
/* Design Voltage */
Arg1[5] = R (BSVL)
/* Design Warning Capacity */
Arg1[6] = (Local0 * 10) / 100
/* Design Low Capacity */
Arg1[7] = (Local0 * 33) / 100
/* Cycle Count */
Arg1[8] = R (BCCY)
/* Granularity */
Arg1[14] = Local0 / 100
Arg1[15] = Local0 / 100
/* Battery Model Number */
Arg1[16] = BSTR (BSTM)
/* Battery Serial Number */
Arg1[17] = ToDecimalString (R (BSSL))
/* Battery Type */
Arg1[18] = BSTR (BSTC)
/* Battery Manufacturer Name */
Arg1[19] = BSTR (BSTG)
Release (BATM)
Return (Arg1)
}
Device (BAT0)
{
Name (_HID, EisaId ("PNP0C0A"))
Name (_UID, 1)
Name (_PCL, Package () { \_SB })
Name (PBIF, Package () {
0x00000001, /* 0x00: Power Unit: mAh */
0xFFFFFFFF, /* 0x01: Design Capacity */
0xFFFFFFFF, /* 0x02: Last Full Charge Capacity */
0x00000001, /* 0x03: Battery Technology: Rechargeable */
0xFFFFFFFF, /* 0x04: Design Voltage */
0x00000003, /* 0x05: Design Capacity of Warning */
0xFFFFFFFF, /* 0x06: Design Capacity of Low */
0x00000001, /* 0x07: Capacity Granularity 1 */
0x00000001, /* 0x08: Capacity Granularity 2 */
"", /* 0x09: Model Number */
"", /* 0x0a: Serial Number */
"LION", /* 0x0b: Battery Type */
"" /* 0x0c: OEM Information */
})
Name (PBIX, Package () {
0x00000000, /* 0x00: Revision */
0x00000001, /* 0x01: Power Unit: mAh */
0xFFFFFFFF, /* 0x02: Design Capacity */
0xFFFFFFFF, /* 0x03: Last Full Charge Capacity */
0x00000001, /* 0x04: Battery Technology: Rechargeable */
0xFFFFFFFF, /* 0x05: Design Voltage */
0x00000003, /* 0x06: Design Capacity of Warning */
0xFFFFFFFF, /* 0x07: Design Capacity of Low */
0x00000000, /* 0x08: Cycle Count */
0x00018000, /* 0x09: Measurement Accuracy (98.3%?) */
0x000001F4, /* 0x0a: Max Sampling Time (500ms) */
0x0000000a, /* 0x0b: Min Sampling Time (10ms) */
0xFFFFFFFF, /* 0x0c: Max Averaging Interval */
0xFFFFFFFF, /* 0x0d: Min Averaging Interval */
0x00000001, /* 0x0e: Capacity Granularity 1 */
0x00000001, /* 0x0f: Capacity Granularity 2 */
"", /* 0x10 Model Number */
"", /* 0x11: Serial Number */
"LION", /* 0x12: Battery Type */
"" /* 0x13: OEM Information */
})
Name (PBST, Package () {
0x00000000, /* 0x00: Battery State */
0xFFFFFFFF, /* 0x01: Battery Present Rate */
0xFFFFFFFF, /* 0x02: Battery Remaining Capacity */
0xFFFFFFFF, /* 0x03: Battery Present Voltage */
})
Method (_STA, 0, Serialized)
{
Return (ESTA (^_UID))
}
Method (_BST, 0, Serialized)
{
Return (EBST (^_UID, PBST))
}
Method (_BIF, 0, Serialized)
{
Return (EBIF (^_UID, PBIF))
}
Method (_BIX, 0, Serialized)
{
Return (EBIX (^_UID, PBIX))
}
}
Device (BAT1)
{
Name (_HID, EisaId ("PNP0C0A"))
Name (_UID, 2)
Name (_PCL, Package () { \_SB })
Name (PBIF, Package () {
0x00000001, /* 0x00: Power Unit: mAh */
0xFFFFFFFF, /* 0x01: Design Capacity */
0xFFFFFFFF, /* 0x02: Last Full Charge Capacity */
0x00000001, /* 0x03: Battery Technology: Rechargeable */
0xFFFFFFFF, /* 0x04: Design Voltage */
0x00000003, /* 0x05: Design Capacity of Warning */
0xFFFFFFFF, /* 0x06: Design Capacity of Low */
0x00000001, /* 0x07: Capacity Granularity 1 */
0x00000001, /* 0x08: Capacity Granularity 2 */
"", /* 0x09: Model Number */
"", /* 0x0a: Serial Number */
"LION", /* 0x0b: Battery Type */
"" /* 0x0c: OEM Information */
})
Name (PBIX, Package () {
0x00000000, /* 0x00: Revision */
0x00000001, /* 0x01: Power Unit: mAh */
0xFFFFFFFF, /* 0x02: Design Capacity */
0xFFFFFFFF, /* 0x03: Last Full Charge Capacity */
0x00000001, /* 0x04: Battery Technology: Rechargeable */
0xFFFFFFFF, /* 0x05: Design Voltage */
0x00000003, /* 0x06: Design Capacity of Warning */
0xFFFFFFFF, /* 0x07: Design Capacity of Low */
0x00000000, /* 0x08: Cycle Count */
0x00018000, /* 0x09: Measurement Accuracy (98.3%?) */
0x000001F4, /* 0x0a: Max Sampling Time (500ms) */
0x0000000a, /* 0x0b: Min Sampling Time (10ms) */
0xFFFFFFFF, /* 0x0c: Max Averaging Interval */
0xFFFFFFFF, /* 0x0d: Min Averaging Interval */
0x00000001, /* 0x0e: Capacity Granularity 1 */
0x00000001, /* 0x0f: Capacity Granularity 2 */
"", /* 0x10 Model Number */
"", /* 0x11: Serial Number */
"LION", /* 0x12: Battery Type */
"" /* 0x13: OEM Information */
})
Name (PBST, Package () {
0x00000000, /* 0x00: Battery State */
0xFFFFFFFF, /* 0x01: Battery Present Rate */
0xFFFFFFFF, /* 0x02: Battery Remaining Capacity */
0xFFFFFFFF, /* 0x03: Battery Present Voltage */
})
Method (_STA, 0, Serialized)
{
Return (ESTA (^_UID))
}
Method (_BST, 0, Serialized)
{
Return (EBST (^_UID, PBST))
}
Method (_BIF, 0, Serialized)
{
Return (EBIF (^_UID, PBIF))
}
Method (_BIX, 0, Serialized)
{
Return (EBIX (^_UID, PBIX))
}
}
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