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-rw-r--r--power/mt8183.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/power/mt8183.c b/power/mt8183.c
index 0acd2bc217..bdbd319601 100644
--- a/power/mt8183.c
+++ b/power/mt8183.c
@@ -165,6 +165,26 @@ void chipset_exit_hard_off_button(void)
}
DECLARE_DEFERRED(chipset_exit_hard_off_button);
+#ifdef CONFIG_POWER_TRACK_HOST_SLEEP_STATE
+static void power_reset_host_sleep_state(void)
+{
+ power_set_host_sleep_state(HOST_SLEEP_EVENT_DEFAULT_RESET);
+ sleep_reset_tracking();
+ power_chipset_handle_host_sleep_event(HOST_SLEEP_EVENT_DEFAULT_RESET,
+ NULL);
+}
+
+static void handle_chipset_reset(void)
+{
+ if (chipset_in_state(CHIPSET_STATE_SUSPEND)) {
+ CPRINTS("Chipset reset: exit s3");
+ power_reset_host_sleep_state();
+ task_wake(TASK_ID_CHIPSET);
+ }
+}
+DECLARE_HOOK(HOOK_CHIPSET_RESET, handle_chipset_reset, HOOK_PRIO_FIRST);
+#endif /* CONFIG_POWER_TRACK_HOST_SLEEP_STATE */
+
/* If chipset needs to be reset, EC also reboots to RO. */
void chipset_reset(enum chipset_reset_reason reason)
{
@@ -442,6 +462,14 @@ enum power_state power_handle_state(enum power_state state)
/* Call hooks now that rails are up */
hook_notify(HOOK_CHIPSET_STARTUP);
+ /*
+ * Clearing the sleep failure detection tracking on the path
+ * to S0 to handle any reset conditions.
+ */
+#ifdef CONFIG_POWER_SLEEP_FAILURE_DETECTION
+ power_reset_host_sleep_state();
+#endif /* CONFIG_POWER_SLEEP_FAILURE_DETECTION */
+
/* Power up to next state */
return POWER_S3;
@@ -456,6 +484,10 @@ enum power_state power_handle_state(enum power_state state)
/* Call hooks now that rails are up */
hook_notify(HOOK_CHIPSET_RESUME);
+#ifdef CONFIG_POWER_SLEEP_FAILURE_DETECTION
+ sleep_resume_transition();
+#endif /* CONFIG_POWER_SLEEP_FAILURE_DETECTION */
+
/*
* Disable idle task deep sleep. This means that the low
* power idle task will not go into deep sleep while in S0.
@@ -469,6 +501,10 @@ enum power_state power_handle_state(enum power_state state)
/* Call hooks before we remove power rails */
hook_notify(HOOK_CHIPSET_SUSPEND);
+#ifdef CONFIG_POWER_SLEEP_FAILURE_DETECTION
+ sleep_suspend_transition();
+#endif /* CONFIG_POWER_SLEEP_FAILURE_DETECTION */
+
/*
* TODO(b:109850749): Check if we need some delay here to
* "debounce" entering suspend (rk3399 uses 20ms delay).
@@ -539,6 +575,41 @@ enum power_state power_handle_state(enum power_state state)
return state;
}
+#ifdef CONFIG_POWER_TRACK_HOST_SLEEP_STATE
+static void suspend_hang_detected(void)
+{
+ CPRINTS("Warning: Detected sleep hang! Waking host up!");
+ host_set_single_event(EC_HOST_EVENT_HANG_DETECT);
+}
+
+__override void power_chipset_handle_host_sleep_event(
+ enum host_sleep_event state,
+ struct host_sleep_event_context *ctx)
+{
+ CPRINTS("Handle sleep: %d", state);
+
+ if (state == HOST_SLEEP_EVENT_S3_SUSPEND) {
+ /*
+ * Indicate to power state machine that a new host event for
+ * S3 suspend has been received and so chipset suspend
+ * notification needs to be sent to listeners.
+ */
+ sleep_set_notify(SLEEP_NOTIFY_SUSPEND);
+ sleep_start_suspend(ctx, suspend_hang_detected);
+
+ } else if (state == HOST_SLEEP_EVENT_S3_RESUME) {
+ /*
+ * Wake up chipset task and indicate to power state machine that
+ * listeners need to be notified of chipset resume.
+ */
+ sleep_set_notify(SLEEP_NOTIFY_RESUME);
+ task_wake(TASK_ID_CHIPSET);
+ sleep_complete_resume(ctx);
+
+ }
+}
+#endif /* CONFIG_POWER_TRACK_HOST_SLEEP_STATE */
+
static void power_button_changed(void)
{
if (power_button_is_pressed()) {