thermal-hal: Add support for HAL2.0

Add support for thermal HAL 2.0 interfaces. Also add support for HAL 1.0
interfaces to be backward compatible.

Change-Id: Ib0be008605db2751bda21f537ea694b3f9849800

1 files changed, 91 insertions, 0 deletions

diff --git a/thermalUtils.h b/thermalUtils.h
new file mode 100644
index 0000000..8cf4a41
--- /dev/null
+++ b/thermalUtils.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *	* Redistributions of source code must retain the above copyright
+ *	  notice, this list of conditions and the following disclaimer.
+ *	* Redistributions in binary form must reproduce the above
+ *	  copyright notice, this list of conditions and the following
+ *	  disclaimer in the documentation and/or other materials provided
+ *	  with the distribution.
+ *	* Neither the name of The Linux Foundation nor the names of its
+ *	  contributors may be used to endorse or promote products derived
+ *	  from this software without specific prior written permission.
+ *
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef THERMAL_THERMAL_UTILS_H__
+#define THERMAL_THERMAL_UTILS_H__
+
+#include <unordered_map>
+#include <mutex>
+#include <android/hardware/thermal/2.0/IThermal.h>
+#include "thermalConfig.h"
+#include "thermalMonitor.h"
+#include "thermalCommon.h"
+#include "thermalData.h"
+
+namespace android {
+namespace hardware {
+namespace thermal {
+namespace V2_0 {
+namespace implementation {
+
+using ueventCB = std::function<void(Temperature &t)>;
+
+class ThermalUtils {
+	public:
+		ThermalUtils(const ueventCB &inp_cb);
+		~ThermalUtils() = default;
+		bool isSensorInitialized()
+		{
+			return is_sensor_init;
+		};
+		bool isCdevInitialized()
+		{
+			return is_cdev_init;
+		};
+		int readTemperatures(hidl_vec<Temperature_1_0> *temp);
+		int readTemperatures(bool filterType, TemperatureType type,
+                                            hidl_vec<Temperature> *temperatures);
+		int readTemperatureThreshold(bool filterType, TemperatureType type,
+                                            hidl_vec<TemperatureThreshold> *thresh);
+		int readCdevStates(bool filterType, cdevType type,
+                                            hidl_vec<CoolingDevice> *cdev);
+		int fetchCpuUsages(hidl_vec<CpuUsage> *cpu_usages);
+	private:
+		bool is_sensor_init;
+		bool is_cdev_init;
+		ThermalConfig cfg;
+		ThermalCommon cmnInst;
+		ThermalMonitor monitor;
+		std::unordered_map<std::string, struct therm_sensor>
+			thermalConfig;
+		std::vector<struct therm_cdev> cdevList;
+		std::mutex sens_cb_mutex;
+		ueventCB cb;
+
+		void ueventParse(std::string sensor_name, int temp);
+};
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace thermal
+}  // namespace hardware
+}  // namespace android
+
+#endif  // THERMAL_THERMAL_UTILS_H__