| // 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. |
| |
| #include <fuchsia/device/power/test/llcpp/fidl.h> |
| #include <lib/ddk/debug.h> |
| #include <lib/ddk/device.h> |
| #include <lib/ddk/driver.h> |
| #include <lib/ddk/platform-defs.h> |
| |
| #include <ddktl/device.h> |
| #include <ddktl/fidl.h> |
| #include <ddktl/protocol/empty-protocol.h> |
| #include <fbl/alloc_checker.h> |
| |
| #include "src/devices/tests/ddk-power/test-power-bind.h" |
| |
| using fuchsia_device::wire::DevicePerformanceStateInfo; |
| using fuchsia_device::wire::DevicePowerState; |
| using fuchsia_device::wire::DevicePowerStateInfo; |
| using fuchsia_device_power_test::TestDevice; |
| |
| class TestPowerDriver; |
| using DeviceType = |
| ddk::Device<TestPowerDriver, ddk::Unbindable, ddk::Suspendable, ddk::Messageable>; |
| class TestPowerDriver : public DeviceType, |
| public ddk::EmptyProtocol<ZX_PROTOCOL_TEST_POWER_CHILD>, |
| public fidl::WireInterface<TestDevice> { |
| public: |
| TestPowerDriver(zx_device_t* parent) : DeviceType(parent) {} |
| zx_status_t Bind(); |
| void DdkUnbind(ddk::UnbindTxn txn) { txn.Reply(); } |
| void DdkRelease() { delete this; } |
| void DdkSuspend(ddk::SuspendTxn txn) { |
| current_power_state_ = static_cast<DevicePowerState>(txn.requested_state()); |
| suspend_complete_event_.signal(0, ZX_USER_SIGNAL_0); |
| txn.Reply(ZX_OK, txn.requested_state()); |
| } |
| zx_status_t DdkMessage(fidl_incoming_msg_t* msg, fidl_txn_t* txn) { |
| DdkTransaction transaction(txn); |
| fidl::WireDispatch<fuchsia_device_power_test::TestDevice>(this, msg, &transaction); |
| return transaction.Status(); |
| } |
| |
| void GetSuspendCompletionEvent(GetSuspendCompletionEventCompleter::Sync& completer) override { |
| zx::event complete; |
| zx_status_t status = |
| suspend_complete_event_.duplicate(ZX_RIGHT_WAIT | ZX_RIGHT_TRANSFER, &complete); |
| if (status != ZX_OK) { |
| completer.ReplyError(status); |
| } else { |
| completer.ReplySuccess(std::move(complete)); |
| } |
| } |
| |
| void AddDeviceWithPowerArgs(::fidl::VectorView<DevicePowerStateInfo> info, |
| ::fidl::VectorView<DevicePerformanceStateInfo> perf_states, |
| bool add_invisible, |
| AddDeviceWithPowerArgsCompleter::Sync& completer) override; |
| |
| void GetCurrentDevicePowerState(GetCurrentDevicePowerStateCompleter::Sync& completer) override; |
| void GetCurrentSuspendReason(GetCurrentSuspendReasonCompleter::Sync& completer) override; |
| void GetCurrentDeviceAutoSuspendConfig( |
| GetCurrentDeviceAutoSuspendConfigCompleter::Sync& completer) override; |
| void SetTestStatusInfo(fuchsia_device_power_test::wire::TestStatusInfo status_info, |
| SetTestStatusInfoCompleter::Sync& completer) override; |
| |
| private: |
| DevicePowerState current_power_state_ = DevicePowerState::kDevicePowerStateD0; |
| bool auto_suspend_enabled_ = false; |
| DevicePowerState deepest_autosuspend_sleep_state_ = DevicePowerState::kDevicePowerStateD0; |
| zx_status_t reply_suspend_status_ = ZX_OK; |
| zx_status_t reply_resume_status_ = ZX_OK; |
| zx::event suspend_complete_event_; |
| }; |
| |
| zx_status_t TestPowerDriver::Bind() { |
| zx_status_t status = zx::event::create(0, &suspend_complete_event_); |
| if (status != ZX_OK) { |
| return status; |
| } |
| return DdkAdd("power-test"); |
| } |
| |
| void TestPowerDriver::AddDeviceWithPowerArgs( |
| ::fidl::VectorView<DevicePowerStateInfo> info, |
| ::fidl::VectorView<DevicePerformanceStateInfo> perf_states, bool add_invisible, |
| AddDeviceWithPowerArgsCompleter::Sync& completer) { |
| completer.ReplyError(ZX_ERR_NOT_SUPPORTED); |
| } |
| |
| void TestPowerDriver::GetCurrentDevicePowerState( |
| GetCurrentDevicePowerStateCompleter::Sync& completer) { |
| completer.ReplySuccess(current_power_state_); |
| } |
| |
| void TestPowerDriver::GetCurrentDeviceAutoSuspendConfig( |
| GetCurrentDeviceAutoSuspendConfigCompleter::Sync& completer) { |
| completer.ReplySuccess(auto_suspend_enabled_, |
| static_cast<DevicePowerState>(deepest_autosuspend_sleep_state_)); |
| } |
| void TestPowerDriver::SetTestStatusInfo(fuchsia_device_power_test::wire::TestStatusInfo status_info, |
| SetTestStatusInfoCompleter::Sync& completer) { |
| reply_suspend_status_ = status_info.suspend_status; |
| reply_resume_status_ = status_info.resume_status; |
| completer.ReplySuccess(); |
| } |
| |
| void TestPowerDriver::GetCurrentSuspendReason(GetCurrentSuspendReasonCompleter::Sync& completer) { |
| completer.ReplyError(ZX_ERR_NOT_SUPPORTED); |
| } |
| |
| zx_status_t test_power_hook_bind(void* ctx, zx_device_t* device) { |
| fbl::AllocChecker ac; |
| auto dev = fbl::make_unique_checked<TestPowerDriver>(&ac, device); |
| if (!ac.check()) { |
| return ZX_ERR_NO_MEMORY; |
| } |
| auto status = dev->Bind(); |
| if (status == ZX_OK) { |
| // devmgr is now in charge of the memory for dev |
| __UNUSED auto ptr = dev.release(); |
| } |
| return status; |
| } |
| |
| static zx_driver_ops_t test_power_hook_driver_ops = []() -> zx_driver_ops_t { |
| zx_driver_ops_t ops = {}; |
| ops.version = DRIVER_OPS_VERSION; |
| ops.bind = test_power_hook_bind; |
| return ops; |
| }(); |
| |
| ZIRCON_DRIVER(TestPower, test_power_hook_driver_ops, "zircon", "0.1"); |