azalea: add thermal warn action

When trigger thermal warn, set SPL to 15W.

Signed-off-by: elmo_lan <hplan1112@gmail.com>

Author: blue1112

common/thermal.c

@@ -238,6 +238,16 @@ static void thermal_control(void)
 /* Wait until after the sensors have been read */
 DECLARE_HOOK(HOOK_SECOND, thermal_control, HOOK_PRIO_TEMP_SENSOR_DONE);
 
+/*****************************************************************************/
+/* Project */
+bool thermal_warn_trigger(void)
+{
+	if (cond_went_true(&cond_hot[EC_TEMP_THRESH_WARN]))
+		return true;
+	else
+		return false;
+}
+
 /*****************************************************************************/
 /* Console commands */
 

include/thermal.h

@@ -27,4 +27,6 @@ int thermal_fan_percent(int low, int high, int cur);
  */
 void board_override_fan_control(int fan, int *tmp);
 
+bool thermal_warn_trigger(void);
+
 #endif /* __CROS_EC_THERMAL_H */

zephyr/program/lotus/azalea/src/cpu_power.c

@@ -276,6 +276,12 @@ void update_soc_power_limit(bool force_update, bool force_no_adapter)
 		powerlimit_restore = 0;
 	}
 
+	/* when trigger thermal warm, reduce SPL to 15W */
+	if (thermal_warn_trigger())
+		power_limit[FUNCTION_THERMAL].mwatt[TYPE_SPL] = 15000;
+	else
+		power_limit[FUNCTION_THERMAL].mwatt[TYPE_SPL] = 0;
+
 	/* choose the lowest one */
 	for (int item = TYPE_SPL; item < TYPE_P3T; item++) {
 		/* use slider as default */

zephyr/program/lotus/include/cpu_power.h

@@ -42,4 +42,6 @@ struct power_limit_details {
 
 void update_soc_power_limit(bool force_update, bool force_no_adapter);
 
+extern bool thermal_warn_trigger(void);
+
 #endif	/* __CROS_EC_CPU_POWER_H */