| // Copyright 2018 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. |
| |
| #include "device_ctx.h" |
| |
| #include <fidl/fuchsia.hardware.mediacodec/cpp/wire.h> |
| #include <fuchsia/io/cpp/fidl.h> |
| #include <lib/ddk/driver.h> |
| #include <lib/sync/completion.h> |
| #include <lib/zx/profile.h> |
| #include <lib/zx/time.h> |
| #include <zircon/threads.h> |
| |
| #include <ddktl/device.h> |
| #include <ddktl/fidl.h> |
| |
| #include "amlogic-video.h" |
| #include "macros.h" |
| #include "sdk/lib/sys/cpp/service_directory.h" |
| |
| namespace amlogic_decoder { |
| |
| namespace { |
| |
| struct DeadlineParams { |
| std::string_view name; |
| zx::duration capacity; |
| zx::duration deadline; |
| zx::duration period; |
| }; |
| |
| DeadlineParams GetDeadlineParamsForRole(ThreadRole role) { |
| switch (role) { |
| case ThreadRole::kSharedFidl: |
| return DeadlineParams{.name = "aml-video/fidl", |
| .capacity = zx::usec(400), |
| .deadline = zx::usec(6000), |
| .period = zx::usec(6000)}; |
| case ThreadRole::kParserIrq: |
| return DeadlineParams{.name = "aml-video/parser_irq", |
| .capacity = zx::usec(75), |
| .deadline = zx::usec(500), |
| .period = zx::usec(6000)}; |
| case ThreadRole::kVdec0Irq: |
| case ThreadRole::kVdec1Irq: |
| return DeadlineParams{.name = "aml-video/vdec_irq", |
| .capacity = zx::usec(800), |
| .deadline = zx::usec(6000), |
| .period = zx::usec(6000)}; |
| case ThreadRole::kH264MultiCore: |
| return DeadlineParams{.name = "aml-video/h264_core", |
| .capacity = zx::usec(300), |
| .deadline = zx::usec(6000), |
| .period = zx::usec(6000)}; |
| case ThreadRole::kH264MultiStreamControl: |
| return DeadlineParams{.name = "aml-video/h264_stream_control", |
| .capacity = zx::usec(100), |
| .deadline = zx::usec(6000), |
| .period = zx::usec(6000)}; |
| case ThreadRole::kVp9InputProcessing: |
| return DeadlineParams{.name = "aml-video/vp9_input_processing", |
| .capacity = zx::usec(300), |
| .deadline = zx::usec(6000), |
| .period = zx::usec(6000)}; |
| case ThreadRole::kVp9StreamControl: |
| return DeadlineParams{.name = "aml-video/vp9_stream_control", |
| .capacity = zx::usec(100), |
| .deadline = zx::usec(6000), |
| .period = zx::usec(6000)}; |
| } |
| } |
| |
| } // namespace |
| |
| DeviceCtx::DeviceCtx(DriverCtx* driver, zx_device_t* parent) |
| : DdkDeviceType(parent), |
| driver_(driver), |
| codec_admission_control_(driver->shared_fidl_loop()->dispatcher()) { |
| video_ = std::make_unique<AmlogicVideo>(this); |
| video_->SetMetrics(&metrics()); |
| device_fidl_ = std::make_unique<DeviceFidl>(this); |
| } |
| |
| DeviceCtx::~DeviceCtx() { |
| // There are two ways to destroy a fidl::Binding safely: |
| // * Switch to FIDL thread before Unbind() or ~Binding. |
| // * async::Loop Quit() + JoinThreads() before Unbind() or ~Binding |
| // |
| // For now this code (if implementation needed) will choose the first option |
| // by destructing DeviceFidl on the FIDL thread. The current way forces this |
| // thread to wait in this destructor until the shared_fidl_thread() is done |
| // processing ~DeviceFidl, which means we require that ~DeviceCtx is not |
| // itself running on the shared_fidl_thread() (or we could check which thread |
| // here, if we really need to). |
| // |
| // This code is only run when we switch between test and production drivers. |
| sync_completion_t completion; |
| driver_->PostToSharedFidl([this, &completion]() { |
| device_fidl_ = nullptr; |
| sync_completion_signal(&completion); |
| }); |
| sync_completion_wait(&completion, ZX_TIME_INFINITE); |
| } |
| |
| zx_status_t DeviceCtx::Bind() { |
| SetThreadProfile(zx::unowned_thread(thrd_get_zx_handle(driver_->shared_fidl_thread())), |
| ThreadRole::kSharedFidl); |
| zx_status_t status = DdkAdd( |
| ddk::DeviceAddArgs("amlogic_video").set_inspect_vmo(driver_->diagnostics().DuplicateVmo())); |
| zxlogf(INFO, "amlogic-video finished initialization with status %d", status); |
| |
| diagnostics().SetBindTime(); |
| |
| return status; |
| } |
| |
| void DeviceCtx::SetThreadProfile(zx::unowned_thread thread, ThreadRole role) const { |
| DeadlineParams deadline_params = GetDeadlineParamsForRole(role); |
| |
| // TODO(fxbug.dev/40858): Use role-based API instead of defining our own profiles. |
| zx::profile profile; |
| zx_status_t status = device_get_deadline_profile( |
| parent(), deadline_params.capacity.get(), deadline_params.deadline.get(), |
| deadline_params.period.get(), deadline_params.name.data(), profile.reset_and_get_address()); |
| |
| if (status != ZX_OK) { |
| LOG(WARNING, "Unable to get profile for %s: %s", deadline_params.name.data(), |
| zx_status_get_string(status)); |
| return; |
| } |
| |
| status = thread->set_profile(std::move(profile), 0); |
| if (status != ZX_OK) { |
| LOG(WARNING, "Unable to set profile for %s: %s", deadline_params.name.data(), |
| zx_status_get_string(status)); |
| } |
| } |
| |
| void DeviceCtx::GetCodecFactory(GetCodecFactoryRequestView request, |
| GetCodecFactoryCompleter::Sync& completer) { |
| device_fidl()->ConnectChannelBoundCodecFactory(std::move(request->request)); |
| } |
| |
| void DeviceCtx::SetAuxServiceDirectory(SetAuxServiceDirectoryRequestView request, |
| SetAuxServiceDirectoryCompleter::Sync& completer) { |
| driver_->SetAuxServiceDirectory( |
| fidl::InterfaceHandle<fuchsia::io::Directory>(request->service_directory.TakeChannel())); |
| } |
| |
| CodecMetrics& DeviceCtx::metrics() { return driver_->metrics(); } |
| |
| CodecDiagnostics& DeviceCtx::diagnostics() { return driver_->diagnostics(); } |
| |
| } // namespace amlogic_decoder |