| // Copyright 2019 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_CAMERA_DRIVERS_CONTROLLER_CONTROLLER_DEVICE_H_ |
| #define SRC_CAMERA_DRIVERS_CONTROLLER_CONTROLLER_DEVICE_H_ |
| |
| #include <lib/ddk/platform-defs.h> |
| #ifndef _ALL_SOURCE |
| #define _ALL_SOURCE // Enables thrd_create_with_name in <threads.h>. |
| #include <threads.h> |
| #endif |
| |
| #include <fuchsia/hardware/camera/llcpp/fidl.h> |
| #include <fuchsia/hardware/gdc/cpp/banjo.h> |
| #include <fuchsia/hardware/ge2d/cpp/banjo.h> |
| #include <fuchsia/hardware/isp/cpp/banjo.h> |
| #include <fuchsia/hardware/platform/bus/c/banjo.h> |
| #include <fuchsia/hardware/platform/device/c/banjo.h> |
| #include <fuchsia/hardware/sysmem/cpp/banjo.h> |
| #include <lib/async-loop/cpp/loop.h> |
| #include <lib/async-loop/default.h> |
| #include <lib/async/cpp/wait.h> |
| #include <lib/device-protocol/pdev.h> |
| #include <lib/device-protocol/platform-device.h> |
| #include <lib/fidl-utils/bind.h> |
| #include <zircon/fidl.h> |
| |
| #include <ddktl/device.h> |
| #include <ddktl/protocol/empty-protocol.h> |
| |
| #include "src/camera/drivers/controller/controller_protocol.h" |
| |
| namespace camera { |
| |
| class ControllerDevice; |
| using ControllerDeviceType = ddk::Device<ControllerDevice, ddk::Unbindable, ddk::Messageable>; |
| |
| class ControllerDevice : public ControllerDeviceType, |
| public ddk::EmptyProtocol<ZX_PROTOCOL_CAMERA>, |
| public fidl::WireInterface<fuchsia_hardware_camera::Device> { |
| public: |
| DISALLOW_COPY_AND_ASSIGN_ALLOW_MOVE(ControllerDevice); |
| explicit ControllerDevice(zx_device_t* parent, zx::event event) |
| : ControllerDeviceType(parent), |
| isp_(parent, "isp"), |
| gdc_(parent, "gdc"), |
| ge2d_(parent, "ge2d"), |
| shutdown_event_(std::move(event)), |
| loop_(&kAsyncLoopConfigNoAttachToCurrentThread), |
| sysmem_(parent, "sysmem") {} |
| |
| ~ControllerDevice() { ShutDown(); } |
| |
| // Setup() is used to create an instance of Controller. |
| static zx_status_t Setup(zx_device_t* parent, std::unique_ptr<ControllerDevice>* out); |
| |
| // Methods required by the ddk. |
| void DdkRelease(); |
| void DdkUnbind(ddk::UnbindTxn txn); |
| zx_status_t DdkMessage(fidl_incoming_msg_t* msg, fidl_txn_t* txn); |
| |
| // Used for tests. |
| // Starts the async loop thread which is owned by the controller. |
| zx_status_t StartThread(); |
| |
| private: |
| void ShutDown(); |
| |
| // Fuchsia Hardware Camera FIDL implementation. |
| void GetChannel2(::fidl::ServerEnd<fuchsia_camera2_hal::Controller> server_end, |
| GetChannel2Completer::Sync& completer) override; |
| // Call not supported |
| void GetChannel(zx::channel handle, GetChannelCompleter::Sync& completer) override { |
| completer.Close(ZX_ERR_NOT_SUPPORTED); |
| } |
| |
| ddk::IspProtocolClient isp_; |
| ddk::GdcProtocolClient gdc_; |
| ddk::Ge2dProtocolClient ge2d_; |
| async::Wait shutdown_waiter_; |
| zx::event shutdown_event_; |
| async::Loop loop_; |
| thrd_t loop_thread_; |
| std::unique_ptr<ControllerImpl> controller_; |
| ddk::SysmemProtocolClient sysmem_; |
| }; |
| |
| } // namespace camera |
| |
| #endif // SRC_CAMERA_DRIVERS_CONTROLLER_CONTROLLER_DEVICE_H_ |