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authorDuncan Laurie <dlaurie@google.com>2018-10-15 15:19:18 -0700
committerDuncan Laurie <dlaurie@chromium.org>2018-10-31 18:30:51 +0000
commite52840a9ed09f555d48212377dfa2e050eeafbe9 (patch)
treeb4c286b6844c0d6bb590843f8642dd40ba688d5d
parent4af38d440d1618e3e837aea016de30004a642e2c (diff)
downloadcoreboot-e52840a9ed09f555d48212377dfa2e050eeafbe9.tar.xz
ec/google/wilco: Add ACPI EC event handlers
Add methods to handle ACPI EC events at runtime. Currently only some common events are handled like lid switch and battery info, and the event status is printed for debug on other events. Change-Id: Ic0bd070940c8a2dfa6a251f3464301418bdb69c1 Signed-off-by: Duncan Laurie <dlaurie@google.com> Reviewed-on: https://review.coreboot.org/29124 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
-rw-r--r--src/ec/google/wilco/acpi/ec.asl1
-rw-r--r--src/ec/google/wilco/acpi/event.asl126
2 files changed, 127 insertions, 0 deletions
diff --git a/src/ec/google/wilco/acpi/ec.asl b/src/ec/google/wilco/acpi/ec.asl
index d669854920..cddfe3fc2e 100644
--- a/src/ec/google/wilco/acpi/ec.asl
+++ b/src/ec/google/wilco/acpi/ec.asl
@@ -134,6 +134,7 @@ Device (EC0)
#include "ec_ram.asl"
#include "ac.asl"
#include "battery.asl"
+ #include "event.asl"
#include "lid.asl"
#include "platform.asl"
}
diff --git a/src/ec/google/wilco/acpi/event.asl b/src/ec/google/wilco/acpi/event.asl
new file mode 100644
index 0000000000..b43086c6c3
--- /dev/null
+++ b/src/ec/google/wilco/acpi/event.asl
@@ -0,0 +1,126 @@
+/*
+ * 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 (APWR)
+ Local1 = Local0 ^ ECPR
+ ECPR = Local0
+
+ If (EBIT (APAC, Local1)) {
+ Printf ("AC Power Status Changed")
+ Notify (AC, 0x80)
+ }
+
+ If (EBIT (APB1, Local1)) {
+ If (EBIT (APB1, Local0)) {
+ Printf ("BAT0 Inserted")
+ Notify (BAT0, 0x81)
+ } Else {
+ Printf ("BAT0 Removed")
+ Notify (BAT0, 0x80)
+ Notify (BAT0, 0x81)
+ }
+ }
+
+ If (EBIT (APC1, 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 (^LID, 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)
+}
+
+/* Handle events in PmEv3 */
+Method (ECQ3, 1, Serialized)
+{
+ Printf ("EVT3: %o", Arg0)
+}
+
+/* Handle events in PmEv4 */
+Method (ECQ4, 1, Serialized)
+{
+ Printf ("EVT4: %o", Arg0)
+}
+
+/* Handle QuickSet events */
+Method (ECQS, 1, Serialized)
+{
+ Printf ("QS EVENT %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)
+ }
+
+ Local0 = R (QSEC)
+ For (Local1 = 0, Local1 < Local0, Local1++) {
+ ECQS (R (QSEB))
+ }
+}