libarmbox: move hdmi_cec to own class, add basic cec-remote support

cec-remote will print received commands in log for now

Signed-off-by: Thilo Graf <dbt@novatux.de>

libarmbox/hdmi_cec.h

@@ -0,0 +1,66 @@
+/*
+	Copyright (C) 2018 TangoCash
+
+	License: GPLv2
+
+	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;
+
+	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.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <OpenThreads/Thread>
+#include <OpenThreads/Condition>
+
+#include "video_lib.h"
+
+struct cec_message
+{
+	unsigned char address;
+	unsigned char length;
+	unsigned char data[256];
+} __attribute__((packed));
+
+struct addressinfo
+{
+	unsigned char logical;
+	unsigned char physical[2];
+	unsigned char type;
+};
+
+class hdmi_cec : public OpenThreads::Thread
+{
+private:
+	hdmi_cec();
+	static hdmi_cec *hdmi_cec_instance;
+	void run();
+	bool Start();
+	bool Stop();
+	void Receive();
+	unsigned char physicalAddress[2];
+	bool autoview_cec_activ;
+	unsigned char deviceType, logicalAddress;
+	int hdmiFd;
+	long translateKey(unsigned char code);
+protected:
+	bool running;
+public:
+	~hdmi_cec();
+	static hdmi_cec* getInstance();
+	bool SetCECMode(VIDEO_HDMI_CEC_MODE);
+	void SetCECAutoView(bool);
+	void SetCECAutoStandby(bool);
+	void GetCECAddressInfo();
+	void SendCECMessage(struct cec_message &message);
+	void SetCECState(bool state);
+	void ReportPhysicalAddress();
+	bool standby_cec_activ;
+};