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/*
* This file is part of the coreboot project.
*
* Copyright 2018 Google LLC
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/* ACPI_POWER_RECORD */
Name (ECPR, 0)
Method (ECQP, 0, Serialized)
{
Local0 = R (PWSR)
Local1 = Local0 ^ ECPR
ECPR = Local0
If (EBIT (ACEX, Local1)) {
Printf ("AC Power Status Changed")
Notify (AC, 0x80)
}
If (EBIT (BTEX, Local1)) {
If (EBIT (BTEX, Local0)) {
Printf ("BAT0 Inserted")
Notify (BAT0, 0x81)
} Else {
Printf ("BAT0 Removed")
Notify (BAT0, 0x80)
Notify (BAT0, 0x81)
}
}
If (EBIT (BTSC, Local1)) {
Printf ("BAT0 Status Change")
Notify (BAT0, 0x80)
}
}
/* Handle events in PmEv1 */
Method (ECQ1, 1, Serialized)
{
/* Power button pressed */
If (EBIT (E1PB, Arg0)) {
Printf ("Power Button Event")
/* Do not notify \_SB.PWRB here to prevent double event */
}
/* LID state changed */
If (EBIT (E1LD, Arg0)) {
Printf ("Lid State Changed")
Notify (^LID0, 0x80)
}
/* Power Event */
If (EBIT (E1PW, Arg0)) {
Printf ("Power Event")
ECQP ()
}
/* Sleep Button */
If (EBIT (E1SB, Arg0)) {
Printf ("Sleep Button")
}
}
/* Handle events in PmEv2 */
Method (ECQ2, 1, Serialized)
{
Printf ("EVT2: %o", Arg0)
If (EBIT (E2QS, Arg0)) {
Printf ("QS EVENT")
Notify (^WEVT, 0x90)
}
If (EBIT (E2OR, Arg0)) {
If (R (OTBL)) {
Printf ("EC event indicates tablet mode")
Notify (^VBTN, ^VTBL)
} Else {
Printf ("EC event indicates laptop mode")
Notify (^VBTN, ^VLAP)
}
}
}
/* Handle events in PmEv3 */
Method (ECQ3, 1, Serialized)
{
Printf ("EVT3: %o", Arg0)
If (EBIT (E3CP, Arg0)) {
If (R (P2PB)) {
Printf ("Power button pressed")
Notify (^VBTN, ^VPPB)
} Else {
Printf ("Power button released")
Notify (^VBTN, ^VRPB)
}
}
#ifdef EC_ENABLE_DPTF
/* Theraml Events */
If (EBIT (E3TH, Arg0)) {
^PATX ()
}
#endif
}
/* Handle events in PmEv4 */
Method (ECQ4, 1, Serialized)
{
Printf ("EVT4: %o", Arg0)
}
/* Process all events */
Method (_Q66, 0, Serialized)
{
Local0 = R (EVT1)
If (Local0) {
ECQ1 (Local0)
}
Local0 = R (EVT2)
If (Local0) {
ECQ2 (Local0)
}
Local0 = R (EVT3)
If (Local0) {
ECQ3 (Local0)
}
Local0 = R (EVT4)
If (Local0) {
ECQ4 (Local0)
}
}
/* UCSI SCI uses a unique event code */
Method (_Q79, 0, Serialized)
{
Printf ("EC _Q79 UCSI Event")
Notify (^UCSI, 0x80)
}
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