src/drivers/pcf8563/pcf8563.h

// Copyright 2023 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SRC_DRIVERS_PCF8563_PCF8563_H_
#define SRC_DRIVERS_PCF8563_PCF8563_H_

#include <fidl/fuchsia.driver.framework/cpp/fidl.h>
#include <fidl/fuchsia.hardware.i2c/cpp/fidl.h>
#include <fidl/fuchsia.hardware.rtc/cpp/fidl.h>
#include <lib/driver/component/cpp/driver_base.h>
#include <lib/driver/devfs/cpp/connector.h>
#include <lib/zx/result.h>

#include <memory>

#include "pcf8563-server.h"

namespace pcf8563 {

class RtcServer;
class RtcDriver : public fdf::DriverBase {
 public:
  RtcDriver(fdf::DriverStartArgs args, fdf::UnownedSynchronizedDispatcher dispatcher)
      : fdf::DriverBase("pcf8563-rtc", std::move(args), std::move(dispatcher)),
        devfs_connector_(fit::bind_member<&RtcDriver::DevfsConnect>(this)) {}

  ~RtcDriver() override = default;

  zx::result<> Start() override;

  zx::result<fuchsia_hardware_rtc::Time> Read();
  zx::result<> Write(fuchsia_hardware_rtc::Time rtc);

 private:
  void DevfsConnect(fidl::ServerEnd<fuchsia_hardware_rtc::Device> req);
  zx::result<> CreateDevfsNode();

  fidl::SyncClient<fuchsia_hardware_i2c::Device> i2c_;
  fidl::SyncClient<fuchsia_driver_framework::Node> node_;
  fidl::SyncClient<fuchsia_driver_framework::NodeController> node_controller_;
  driver_devfs::Connector<fuchsia_hardware_rtc::Device> devfs_connector_;

  std::unique_ptr<RtcServer> server_;
};

}  // namespace pcf8563

#endif  // SRC_DRIVERS_PCF8563_PCF8563_H_