/* SPDX-License-Identifier: GPL-2.0-only */
Field(ERAM, ByteAcc, NoLock, Preserve)
{
Offset (0x38),
B0ST, 4, /* Battery 0 state */
, 1,
B0CH, 1, /* Battery 0 charging */
B0DI, 1, /* Battery 0 discharging */
B0PR, 1, /* Battery 0 present */
Offset (0x39),
B1ST, 4, /* Battery 1 state */
, 1,
B1CH, 1, /* Battery 1 charging, */
B1DI, 1, /* Battery 1 discharging,*/
B1PR, 1 /* Battery 1 present */
}
/* EC Registers */
/* PAGE == 0x00 */
Field (ERAM, ByteAcc, NoLock, Preserve)
{
Offset(0xa0),
BARC, 16, /* Battery remaining capacity */
BAFC, 16, /* Battery full charge capacity */
Offset(0xa8),
BAPR, 16, /* Battery present rate */
BAVO, 16, /* Battery Voltage */
}
/* PAGE == 0x01 */
Field (ERAM, ByteAcc, NoLock, Preserve)
{
Offset(0xa0),
, 15,
BAMA, 1,
}
/* PAGE == 0x02 */
Field (ERAM, ByteAcc, NoLock, Preserve)
{
Offset(0xa0),
BADC, 16, /* Design Capacity */
BADV, 16, /* Design voltage */
, 16,
, 16,
, 16,
BASN, 16,
}
/* PAGE == 0x04: Battery type */
Field (ERAM, ByteAcc, NoLock, Preserve)
{
Offset(0xa0),
BATY, 32
}
/* PAGE == 0x05: Battery OEM information */
Field (ERAM, ByteAcc, NoLock, Preserve)
{
Offset(0xa0),
BAOE, 128
}
/* PAGE == 0x06: Battery name */
Field (ERAM, ByteAcc, NoLock, Preserve)
{
Offset(0xa0),
BANA, 128
}
/*
* Switches the battery information page (16 bytes ERAM @0xa0) with an
* optional compile-time delay.
*
* Arg0:
* bit7-4: Battery number
* bit3-0: Information page number
*/
Method(BPAG, 1, NotSerialized)
{
PAGE = Arg0
#ifdef BATTERY_PAGE_DELAY_MS
Sleep(BATTERY_PAGE_DELAY_MS)
#endif
}
/* Arg0: Battery
* Arg1: Battery Status Package
* Arg2: charging
* Arg3: discharging
*/
Method(BSTA, 4, NotSerialized)
{
Acquire(ECLK, 0xffff)
Local0 = 0
^BPAG(Arg0 | 1)
Local1 = BAMA
^BPAG(Arg0) /* Battery dynamic information */
/*
* Present rate is a 16bit signed int, positive while charging
* and negative while discharging.
*/
Local2 = BAPR
If (Arg2) // Charging
{
Local0 |= 2
}
Else
{
If (Arg3) // Discharging
{
Local0 |= 1
// Negate present rate
Local2 = 0x10000 - Local2
}
Else // Full battery, force to 0
{
Local2 = 0
}
}
/*
* The present rate value must be positive now, if it is not we have an
* EC bug or inconsistency and force the value to 0.
*/
If (Local2 >= 0x8000) {
Local2 = 0
}
Arg1 [0] = Local0
if (Local1) {
Arg1 [2] = BARC * 10
Local2 *= BAVO
Arg1 [1] = Local2 / 1000
} else {
Arg1 [2] = BARC
Arg1 [1] = Local2
}
Arg1 [3] = BAVO
Release(ECLK)
Return (Arg1)
}
Method(BINF, 2, Serialized)
{
Acquire(ECLK, 0xffff)
^BPAG(1 | Arg1) /* Battery 0 static information */
Arg0 [0] = BAMA ^ 1
Local0 = BAMA
^BPAG(Arg1)
Local2 = BAFC
^BPAG(Arg1 | 2)
Local1 = BADC
if (Local0)
{
Local1 *= 10
Local2 *= 10
}
Arg0 [1] = Local1 // Design Capacity
Arg0 [2] = Local2 // Last full charge capacity
Arg0 [4] = BADV // Design Voltage
Local0 = Local2 % 20 // FIXME: Local0 not used
Arg0 [5] = Local2 / 20 // Warning capacity
Local0 = BASN
Name (SERN, Buffer (0x06) { " " })
Local1 = 4
While (Local0)
{
Local2 = Local0 % 10
Local0 /= 10
SERN [Local1] = Local2 + 48
Local1--
}
Arg0 [10] = SERN // Serial Number
^BPAG(4 | Arg1)
Name (TYPE, Buffer() { 0, 0, 0, 0, 0 })
TYPE = BATY
Arg0 [11] = TYPE // Battery type
^BPAG(Arg1 | 5)
Arg0 [12] = BAOE // OEM information
^BPAG(Arg1 | 6)
Arg0 [9] = BANA // 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 (Package () { 0, 0, 0, 0 })
}
}
Method (_STA, 0, NotSerialized)
{
if (B0PR) {
Return (0x1f)
} else {
Return (0x0f)
}
}
}
Device (BAT1)
{
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, 0x10))
}
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 (B1PR) {
Return (BSTA(0x10, BATI, B1CH, B1DI))
} else {
Return (Package () { 0, 0, 0, 0 })
}
}
Method (_STA, 0, NotSerialized)
{
if (B1PR) {
Return (0x1f)
} else {
Return (0x0f)
}
}
}
/* Battery 0 critical */
Method(_Q24, 0, NotSerialized)
{
Notify(BAT0, 0x80)
}
/* Battery 1 critical */
Method(_Q25, 0, NotSerialized)
{
Notify(BAT1, 0x80)
}
/* Battery 0 attach/detach */
Method(_Q4A, 0, NotSerialized)
{
Notify(BAT0, 0x81)
}
/* Battery 0 state change */
Method(_Q4B, 0, NotSerialized)
{
Notify(BAT0, 0x80)
}
/* Battery 1 attach/detach */
Method(_Q4C, 0, NotSerialized)
{
Notify(BAT1, 0x81)
}
/* Battery 1 state change */
Method(_Q4D, 0, NotSerialized)
{
Notify(BAT1, 0x80)
}