1 files changed, 86 insertions, 0 deletions
diff --git a/msm8909/sdm/libs/core/fb/hw_events.h b/msm8909/sdm/libs/core/fb/hw_events.h
new file mode 100644
index 00000000..b4607a87
--- /dev/null
+++ b/msm8909/sdm/libs/core/fb/hw_events.h
@@ -0,0 +1,86 @@
+/*
+* Copyright (c) 2015 - 2017, 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 __HW_EVENTS_H__
+#define __HW_EVENTS_H__
+
+#include <sys/poll.h>
+#include <string>
+#include <vector>
+#include <map>
+#include <utility>
+
+#include "hw_interface.h"
+#include "hw_events_interface.h"
+
+namespace sdm {
+
+using std::vector;
+using std::map;
+
+class HWEvents : public HWEventsInterface {
+ public:
+  virtual DisplayError Init(int fb_num, HWEventHandler *event_handler,
+                            const vector<HWEvent> &event_list);
+  virtual DisplayError Deinit();
+
+ private:
+  static const int kMaxStringLength = 1024;
+
+  typedef void (HWEvents::*EventParser)(char *);
+
+  struct HWEventData {
+    HWEvent event_type {};
+    EventParser event_parser {};
+  };
+
+  static void* DisplayEventThread(void *context);
+  void* DisplayEventHandler();
+  void HandleVSync(char *data);
+  void HandleBlank(char *data) { }
+  void HandleIdleTimeout(char *data);
+  void HandleThermal(char *data);
+  void HandleThreadExit(char *data) { }
+  void HandleIdlePowerCollapse(char *data);
+  void PopulateHWEventData();
+  DisplayError SetEventParser(HWEvent event_type, HWEventData *event_data);
+  pollfd InitializePollFd(HWEventData *event_data);
+
+  HWEventHandler *event_handler_ = {};
+  vector<HWEvent> event_list_ = {};
+  vector<HWEventData> event_data_list_ = {};
+  vector<pollfd> poll_fds_ = {};
+  map<HWEvent, const char *> map_event_to_node_ = {};
+  pthread_t event_thread_ = {};
+  std::string event_thread_name_ = "SDM_EventThread";
+  bool exit_threads_ = false;
+  const char* fb_path_ = "/sys/devices/virtual/graphics/fb";
+  int fb_num_ = -1;
+  int exit_fd_ = -1;
+};
+
+}  // namespace sdm
+
+#endif  // __HW_EVENTS_H__
+