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authorLijian Zhao <lijian.zhao@intel.com>2019-01-10 19:31:15 -0800
committerDuncan Laurie <dlaurie@chromium.org>2019-01-24 22:03:32 +0000
commita31872c6151986cd43ae7560cb6f31e80e049167 (patch)
treeee6e81a813512aca09437a3d1c4e6e42a1b46171 /src/ec
parent2bbffc0442ac58539d57895de2311bc3dc634771 (diff)
downloadcoreboot-a31872c6151986cd43ae7560cb6f31e80e049167.tar.xz
ec/google/wilco: Turn on wake up from lid
Send required EC command to enable ACPI S3 wake up from lid switch. BUG=b:120748824 TEST=Put Sarien system into S3 and then wake up from lid switch successful. Signed-off-by: Lijian Zhao <lijian.zhao@intel.com> Change-Id: I13f3469847b0886147b8b624311a1ece796f847b Signed-off-by: Lijian Zhao <lijian.zhao@intel.com> Reviewed-on: https://review.coreboot.org/c/30824 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src/ec')
-rw-r--r--src/ec/google/wilco/commands.c9
-rw-r--r--src/ec/google/wilco/commands.h23
-rw-r--r--src/ec/google/wilco/smihandler.c2
3 files changed, 34 insertions, 0 deletions
diff --git a/src/ec/google/wilco/commands.c b/src/ec/google/wilco/commands.c
index c42699d28c..1c7646106c 100644
--- a/src/ec/google/wilco/commands.c
+++ b/src/ec/google/wilco/commands.c
@@ -158,3 +158,12 @@ int wilco_ec_radio_control(enum ec_radio radio, uint8_t state)
radio_control, ARRAY_SIZE(radio_control),
NULL, 0);
}
+
+int wilco_ec_change_wake(uint8_t source, enum ec_wake_change change)
+{
+ uint8_t wake_source[3] = { change, source };
+
+ return wilco_ec_mailbox(WILCO_EC_MSG_DEFAULT, KB_ACPI_WAKEUP_CHANGE,
+ wake_source, ARRAY_SIZE(wake_source),
+ NULL, 0);
+}
diff --git a/src/ec/google/wilco/commands.h b/src/ec/google/wilco/commands.h
index 752e19ba69..53f6d0f401 100644
--- a/src/ec/google/wilco/commands.h
+++ b/src/ec/google/wilco/commands.h
@@ -38,6 +38,8 @@ enum {
KB_EC_INFO = 0x38,
/* Set ACPI mode on or off */
KB_ACPI = 0x3a,
+ /* Change ACPI wake up source */
+ KB_ACPI_WAKEUP_CHANGE = 0x4a,
/* Manage the EC power button passthru to the host */
KB_POWER_BUTTON_TO_HOST = 0x3e,
/* Manage the EC control of speaker mute */
@@ -257,4 +259,25 @@ int wilco_ec_get_pm(struct ec_pm_event_state *pm, bool clear);
*/
int wilco_ec_get_lid_state(void);
+enum ec_wake_change {
+ WAKE_OFF = 0,
+ WAKE_ON
+};
+/**
+ * wilco_ec_change_wake_source
+ *
+ * Change acpi wake up source.
+ * @source: Wake up source that can be enabled/disabled.
+ * @ec_wake_change: On/off switch.
+ *
+ * Returns -1 if the EC command failed
+ */
+int wilco_ec_change_wake(uint8_t source, enum ec_wake_change change);
+
+enum ec_acpi_wake_events {
+ EC_ACPI_WAKE_PWRB = BIT(0), /* Wake up by power button */
+ EC_ACPI_WAKE_LID = BIT(1), /* Wake up by lid switch */
+ EC_ACPI_WAKE_RTC = BIT(5), /* Wake up by RTC */
+};
+
#endif /* EC_GOOGLE_WILCO_COMMANDS_H */
diff --git a/src/ec/google/wilco/smihandler.c b/src/ec/google/wilco/smihandler.c
index 60ad8139fe..e127434726 100644
--- a/src/ec/google/wilco/smihandler.c
+++ b/src/ec/google/wilco/smihandler.c
@@ -26,6 +26,8 @@ void wilco_ec_smi_sleep(int slp_type)
switch (slp_type) {
case ACPI_S3:
wilco_ec_send_noargs(KB_SAVE);
+ wilco_ec_change_wake((EC_ACPI_WAKE_PWRB|EC_ACPI_WAKE_LID),
+ WAKE_ON);
wilco_ec_slp_en();
break;
case ACPI_S5: