mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-23 11:33:32 +00:00
4d0c5762ad
Add ASL files for the Chrome OS EC, taken from coreboot. Signed-off-by: Simon Glass <sjg@chromium.org>
411 lines
9.1 KiB
Text
411 lines
9.1 KiB
Text
/*/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
|
|
*/
|
|
|
|
// Scope (EC0)
|
|
|
|
/* Mutex for EC battery index interface */
|
|
Mutex (BATM, 0)
|
|
|
|
// Wait for desired battery index to be presented in shared memory
|
|
// Arg0 = battery index
|
|
// Returns Zero on success, One on error.
|
|
Method (BTSW, 1)
|
|
{
|
|
#ifdef EC_ENABLE_SECOND_BATTERY_DEVICE
|
|
If (LEqual (BTIX, Arg0)) {
|
|
Return (Zero)
|
|
}
|
|
If (LGreaterEqual (Arg0, BTCN)) {
|
|
Return (One)
|
|
}
|
|
Store (Arg0, \_SB.PCI0.LPCB.EC0.BTID)
|
|
Store (5, Local0) // Timeout 5 msec
|
|
While (LNotEqual (BTIX, Arg0))
|
|
{
|
|
Sleep (1)
|
|
Decrement (Local0)
|
|
If (LEqual (Local0, Zero))
|
|
{
|
|
Return (One)
|
|
}
|
|
}
|
|
#else
|
|
If (LNotEqual (0, Arg0)) {
|
|
Return (One)
|
|
}
|
|
#endif
|
|
Return (Zero)
|
|
}
|
|
|
|
// _STA implementation.
|
|
// Arg0 = battery index
|
|
Method (BSTA, 1, Serialized)
|
|
{
|
|
If (Acquire (^BATM, 1000)) {
|
|
Return (Zero)
|
|
}
|
|
|
|
If (And(Not(BTSW (Arg0)), BTEX)) {
|
|
Store (0x1F, Local0)
|
|
} Else {
|
|
Store (0x0F, Local0)
|
|
}
|
|
|
|
Release (^BATM)
|
|
Return (Local0)
|
|
}
|
|
|
|
// _BIF implementation.
|
|
// Arg0 = battery index
|
|
// Arg1 = PBIF
|
|
Method (BBIF, 2, Serialized)
|
|
{
|
|
If (Acquire (^BATM, 1000)) {
|
|
Return (Arg1)
|
|
}
|
|
|
|
If (BTSW (Arg0)) {
|
|
Release (^BATM)
|
|
Return (Arg1)
|
|
}
|
|
// Last Full Charge Capacity
|
|
Store (BTDF, Index (Arg1, 2))
|
|
|
|
// Design Voltage
|
|
Store (BTDV, Index (Arg1, 4))
|
|
|
|
// Design Capacity
|
|
Store (BTDA, Local0)
|
|
Store (Local0, Index (Arg1, 1))
|
|
|
|
// Design Capacity of Warning
|
|
Divide (Multiply (Local0, DWRN), 100, , Local2)
|
|
Store (Local2, Index (Arg1, 5))
|
|
|
|
// Design Capacity of Low
|
|
Divide (Multiply (Local0, DLOW), 100, , Local2)
|
|
Store (Local2, Index (Arg1, 6))
|
|
|
|
// Get battery info from mainboard
|
|
Store (ToString(Concatenate(BMOD, 0x00)), Index (Arg1, 9))
|
|
Store (ToString(Concatenate(BSER, 0x00)), Index (Arg1, 10))
|
|
Store (ToString(Concatenate(BMFG, 0x00)), Index (Arg1, 12))
|
|
|
|
Release (^BATM)
|
|
Return (Arg1)
|
|
}
|
|
|
|
// _BIX implementation.
|
|
// Arg0 = battery index
|
|
// Arg1 = PBIX
|
|
Method (BBIX, 2, Serialized)
|
|
{
|
|
If (Acquire (^BATM, 1000)) {
|
|
Return (Arg1)
|
|
}
|
|
|
|
If (BTSW (Arg0)) {
|
|
Release (^BATM)
|
|
Return (Arg1)
|
|
}
|
|
// Last Full Charge Capacity
|
|
Store (BTDF, Index (Arg1, 3))
|
|
|
|
// Design Voltage
|
|
Store (BTDV, Index (Arg1, 5))
|
|
|
|
// Design Capacity
|
|
Store (BTDA, Local0)
|
|
Store (Local0, Index (Arg1, 2))
|
|
|
|
// Design Capacity of Warning
|
|
Divide (Multiply (Local0, DWRN), 100, , Local2)
|
|
Store (Local2, Index (Arg1, 6))
|
|
|
|
// Design Capacity of Low
|
|
Divide (Multiply (Local0, DLOW), 100, , Local2)
|
|
Store (Local2, Index (Arg1, 7))
|
|
|
|
// Cycle Count
|
|
Store (BTCC, Index (Arg1, 8))
|
|
|
|
// Get battery info from mainboard
|
|
Store (ToString(Concatenate(BMOD, 0x00)), Index (Arg1, 16))
|
|
Store (ToString(Concatenate(BSER, 0x00)), Index (Arg1, 17))
|
|
Store (ToString(Concatenate(BMFG, 0x00)), Index (Arg1, 19))
|
|
|
|
Release (^BATM)
|
|
Return (Arg1)
|
|
}
|
|
|
|
// _BST implementation.
|
|
// Arg0 = battery index
|
|
// Arg1 = PBST
|
|
// Arg2 = BSTP
|
|
// Arg3 = BFWK
|
|
Method (BBST, 4, Serialized)
|
|
{
|
|
If (Acquire (^BATM, 1000)) {
|
|
Return (Arg1)
|
|
}
|
|
|
|
If (BTSW (Arg0)) {
|
|
Release (^BATM)
|
|
Return (Arg1)
|
|
}
|
|
//
|
|
// 0: BATTERY STATE
|
|
//
|
|
// bit 0 = discharging
|
|
// bit 1 = charging
|
|
// bit 2 = critical level
|
|
//
|
|
Store (Zero, Local1)
|
|
|
|
// Check if AC is present
|
|
If (ACEX) {
|
|
If (BFCG) {
|
|
Store (0x02, Local1)
|
|
} ElseIf (BFDC) {
|
|
Store (0x01, Local1)
|
|
}
|
|
} Else {
|
|
// Always discharging when on battery power
|
|
Store (0x01, Local1)
|
|
}
|
|
|
|
// Check for critical battery level
|
|
If (BFCR) {
|
|
Or (Local1, 0x04, Local1)
|
|
}
|
|
Store (Local1, Index (Arg1, 0))
|
|
|
|
// Notify if battery state has changed since last time
|
|
If (LNotEqual (Local1, DeRefOf (Arg2))) {
|
|
Store (Local1, Arg2)
|
|
If (LEqual(Arg0, 0)) {
|
|
Notify (BAT0, 0x80)
|
|
}
|
|
#ifdef EC_ENABLE_SECOND_BATTERY_DEVICE
|
|
Else {
|
|
Notify (BAT1, 0x80)
|
|
}
|
|
#endif
|
|
}
|
|
|
|
//
|
|
// 1: BATTERY PRESENT RATE
|
|
//
|
|
Store (BTPR, Index (Arg1, 1))
|
|
|
|
//
|
|
// 2: BATTERY REMAINING CAPACITY
|
|
//
|
|
Store (BTRA, Local1)
|
|
If (LAnd (Arg3, LAnd (ACEX, LNot (LAnd (BFDC, BFCG))))) {
|
|
// On AC power and battery is neither charging
|
|
// nor discharging. Linux expects a full battery
|
|
// to report same capacity as last full charge.
|
|
// https://bugzilla.kernel.org/show_bug.cgi?id=12632
|
|
Store (BTDF, Local2)
|
|
|
|
// See if within ~6% of full
|
|
ShiftRight (Local2, 4, Local3)
|
|
If (LAnd (LGreater (Local1, Subtract (Local2, Local3)),
|
|
LLess (Local1, Add (Local2, Local3))))
|
|
{
|
|
Store (Local2, Local1)
|
|
}
|
|
}
|
|
Store (Local1, Index (Arg1, 2))
|
|
|
|
//
|
|
// 3: BATTERY PRESENT VOLTAGE
|
|
//
|
|
Store (BTVO, Index (Arg1, 3))
|
|
|
|
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
|
|
})
|
|
Name (BSTP, Zero)
|
|
|
|
// Workaround for full battery status, disabled by default
|
|
Name (BFWK, Zero)
|
|
|
|
// Method to enable full battery workaround
|
|
Method (BFWE)
|
|
{
|
|
Store (One, BFWK)
|
|
}
|
|
|
|
// Method to disable full battery workaround
|
|
Method (BFWD)
|
|
{
|
|
Store (Zero, BFWK)
|
|
}
|
|
|
|
Method (_STA, 0, Serialized)
|
|
{
|
|
Return (BSTA (0))
|
|
}
|
|
|
|
Method (_BIF, 0, Serialized)
|
|
{
|
|
Return (BBIF (0, PBIF))
|
|
}
|
|
|
|
Method (_BIX, 0, Serialized)
|
|
{
|
|
Return (BBIX (0, PBIX))
|
|
}
|
|
|
|
Method (_BST, 0, Serialized)
|
|
{
|
|
Return (BBST (0, PBST, RefOf (BSTP), BFWK))
|
|
}
|
|
}
|
|
|
|
#ifdef EC_ENABLE_SECOND_BATTERY_DEVICE
|
|
Device (BAT1)
|
|
{
|
|
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
|
|
})
|
|
Name (BSTP, Zero)
|
|
|
|
// Workaround for full battery status, disabled by default
|
|
Name (BFWK, Zero)
|
|
|
|
// Method to enable full battery workaround
|
|
Method (BFWE)
|
|
{
|
|
Store (One, BFWK)
|
|
}
|
|
|
|
// Method to disable full battery workaround
|
|
Method (BFWD)
|
|
{
|
|
Store (Zero, BFWK)
|
|
}
|
|
|
|
Method (_STA, 0, Serialized)
|
|
{
|
|
Return (BSTA (1))
|
|
}
|
|
|
|
Method (_BIF, 0, Serialized)
|
|
{
|
|
Return (BBIF (1, PBIF))
|
|
}
|
|
|
|
Method (_BIX, 0, Serialized)
|
|
{
|
|
Return (BBIX (1, PBIX))
|
|
}
|
|
|
|
Method (_BST, 0, Serialized)
|
|
{
|
|
Return (BBST (1, PBST, RefOf (BSTP), BFWK))
|
|
}
|
|
}
|
|
#endif
|