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-rw-r--r--src/core/hle/service/nfc/nfc_interface.cpp339
1 files changed, 339 insertions, 0 deletions
diff --git a/src/core/hle/service/nfc/nfc_interface.cpp b/src/core/hle/service/nfc/nfc_interface.cpp
new file mode 100644
index 000000000..be96d0cbc
--- /dev/null
+++ b/src/core/hle/service/nfc/nfc_interface.cpp
@@ -0,0 +1,339 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "core/core.h"
+#include "core/hid/hid_types.h"
+#include "core/hle/kernel/k_event.h"
+#include "core/hle/service/ipc_helpers.h"
+#include "core/hle/service/nfc/nfc_device.h"
+#include "core/hle/service/nfc/nfc_interface.h"
+#include "core/hle/service/nfc/nfc_result.h"
+#include "core/hle/service/time/clock_types.h"
+
+namespace Service::NFC {
+
+Interface::Interface(Core::System& system_, const char* name)
+ : ServiceFramework{system_, name}, service_context{system_, service_name} {
+ availability_change_event = service_context.CreateEvent("Interface:AvailabilityChangeEvent");
+
+ for (u32 device_index = 0; device_index < 10; device_index++) {
+ devices[device_index] =
+ std::make_shared<NfcDevice>(Core::HID::IndexToNpadIdType(device_index), system,
+ service_context, availability_change_event);
+ }
+}
+
+Interface ::~Interface() {
+ availability_change_event->Close();
+}
+
+void Interface::Initialize(HLERequestContext& ctx) {
+ LOG_INFO(Service_NFC, "called");
+
+ state = State::Initialized;
+
+ for (auto& device : devices) {
+ device->Initialize();
+ }
+
+ IPC::ResponseBuilder rb{ctx, 2, 0};
+ rb.Push(ResultSuccess);
+}
+
+void Interface::Finalize(HLERequestContext& ctx) {
+ LOG_INFO(Service_NFC, "called");
+
+ state = State::NonInitialized;
+
+ for (auto& device : devices) {
+ device->Finalize();
+ }
+
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(ResultSuccess);
+}
+
+void Interface::GetState(HLERequestContext& ctx) {
+ LOG_DEBUG(Service_NFC, "called");
+
+ IPC::ResponseBuilder rb{ctx, 3};
+ rb.Push(ResultSuccess);
+ rb.PushEnum(state);
+}
+
+void Interface::IsNfcEnabled(HLERequestContext& ctx) {
+ LOG_DEBUG(Service_NFC, "called");
+
+ IPC::ResponseBuilder rb{ctx, 3};
+ rb.Push(ResultSuccess);
+ rb.Push(state != State::NonInitialized);
+}
+
+void Interface::ListDevices(HLERequestContext& ctx) {
+ LOG_DEBUG(Service_NFC, "called");
+
+ if (state == State::NonInitialized) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(NfcDisabled);
+ return;
+ }
+
+ if (!ctx.CanWriteBuffer()) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(InvalidArgument);
+ return;
+ }
+
+ if (ctx.GetWriteBufferSize() == 0) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(InvalidArgument);
+ return;
+ }
+
+ std::vector<u64> nfp_devices;
+ const std::size_t max_allowed_devices = ctx.GetWriteBufferNumElements<u64>();
+
+ for (auto& device : devices) {
+ if (nfp_devices.size() >= max_allowed_devices) {
+ continue;
+ }
+ if (device->GetCurrentState() != NFP::DeviceState::Unavailable) {
+ nfp_devices.push_back(device->GetHandle());
+ }
+ }
+
+ if (nfp_devices.empty()) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(DeviceNotFound);
+ return;
+ }
+
+ ctx.WriteBuffer(nfp_devices);
+
+ IPC::ResponseBuilder rb{ctx, 3};
+ rb.Push(ResultSuccess);
+ rb.Push(static_cast<s32>(nfp_devices.size()));
+}
+
+void Interface::GetDeviceState(HLERequestContext& ctx) {
+ IPC::RequestParser rp{ctx};
+ const auto device_handle{rp.Pop<u64>()};
+ LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
+
+ auto device = GetNfcDevice(device_handle);
+
+ if (!device.has_value()) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(DeviceNotFound);
+ return;
+ }
+
+ IPC::ResponseBuilder rb{ctx, 3};
+ rb.Push(ResultSuccess);
+ rb.PushEnum(device.value()->GetCurrentState());
+}
+
+void Interface::GetNpadId(HLERequestContext& ctx) {
+ IPC::RequestParser rp{ctx};
+ const auto device_handle{rp.Pop<u64>()};
+ LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
+
+ if (state == State::NonInitialized) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(NfcDisabled);
+ return;
+ }
+
+ auto device = GetNfcDevice(device_handle);
+
+ if (!device.has_value()) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(DeviceNotFound);
+ return;
+ }
+
+ IPC::ResponseBuilder rb{ctx, 3};
+ rb.Push(ResultSuccess);
+ rb.PushEnum(device.value()->GetNpadId());
+}
+
+void Interface::AttachAvailabilityChangeEvent(HLERequestContext& ctx) {
+ LOG_INFO(Service_NFC, "called");
+
+ if (state == State::NonInitialized) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(NfcDisabled);
+ return;
+ }
+
+ IPC::ResponseBuilder rb{ctx, 2, 1};
+ rb.Push(ResultSuccess);
+ rb.PushCopyObjects(availability_change_event->GetReadableEvent());
+}
+
+void Interface::StartDetection(HLERequestContext& ctx) {
+ IPC::RequestParser rp{ctx};
+ const auto device_handle{rp.Pop<u64>()};
+ const auto nfp_protocol{rp.PopEnum<NFP::TagProtocol>()};
+ LOG_INFO(Service_NFC, "called, device_handle={}, nfp_protocol={}", device_handle, nfp_protocol);
+
+ if (state == State::NonInitialized) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(NfcDisabled);
+ return;
+ }
+
+ auto device = GetNfcDevice(device_handle);
+
+ if (!device.has_value()) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(DeviceNotFound);
+ return;
+ }
+
+ const auto result = device.value()->StartDetection(nfp_protocol);
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(result);
+}
+
+void Interface::StopDetection(HLERequestContext& ctx) {
+ IPC::RequestParser rp{ctx};
+ const auto device_handle{rp.Pop<u64>()};
+ LOG_INFO(Service_NFC, "called, device_handle={}", device_handle);
+
+ if (state == State::NonInitialized) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(NfcDisabled);
+ return;
+ }
+
+ auto device = GetNfcDevice(device_handle);
+
+ if (!device.has_value()) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(DeviceNotFound);
+ return;
+ }
+
+ const auto result = device.value()->StopDetection();
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(result);
+}
+
+void Interface::GetTagInfo(HLERequestContext& ctx) {
+ IPC::RequestParser rp{ctx};
+ const auto device_handle{rp.Pop<u64>()};
+ LOG_INFO(Service_NFC, "called, device_handle={}", device_handle);
+
+ if (state == State::NonInitialized) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(NfcDisabled);
+ return;
+ }
+
+ auto device = GetNfcDevice(device_handle);
+
+ if (!device.has_value()) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(DeviceNotFound);
+ return;
+ }
+
+ NFP::TagInfo tag_info{};
+ const auto result = device.value()->GetTagInfo(tag_info, false);
+ ctx.WriteBuffer(tag_info);
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(result);
+}
+
+void Interface::AttachActivateEvent(HLERequestContext& ctx) {
+ IPC::RequestParser rp{ctx};
+ const auto device_handle{rp.Pop<u64>()};
+ LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
+
+ if (state == State::NonInitialized) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(NfcDisabled);
+ return;
+ }
+
+ auto device = GetNfcDevice(device_handle);
+
+ if (!device.has_value()) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(DeviceNotFound);
+ return;
+ }
+
+ IPC::ResponseBuilder rb{ctx, 2, 1};
+ rb.Push(ResultSuccess);
+ rb.PushCopyObjects(device.value()->GetActivateEvent());
+}
+
+void Interface::AttachDeactivateEvent(HLERequestContext& ctx) {
+ IPC::RequestParser rp{ctx};
+ const auto device_handle{rp.Pop<u64>()};
+ LOG_DEBUG(Service_NFC, "called, device_handle={}", device_handle);
+
+ if (state == State::NonInitialized) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(NfcDisabled);
+ return;
+ }
+
+ auto device = GetNfcDevice(device_handle);
+
+ if (!device.has_value()) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(DeviceNotFound);
+ return;
+ }
+
+ IPC::ResponseBuilder rb{ctx, 2, 1};
+ rb.Push(ResultSuccess);
+ rb.PushCopyObjects(device.value()->GetDeactivateEvent());
+}
+
+void Interface::SendCommandByPassThrough(HLERequestContext& ctx) {
+ IPC::RequestParser rp{ctx};
+ const auto device_handle{rp.Pop<u64>()};
+ const auto timeout{rp.PopRaw<Time::Clock::TimeSpanType>()};
+ const auto command_data{ctx.ReadBuffer()};
+
+ LOG_INFO(Service_NFC, "(STUBBED) called, device_handle={}, timeout={}, data_size={}",
+ device_handle, timeout.ToSeconds(), command_data.size());
+
+ if (state == State::NonInitialized) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(NfcDisabled);
+ return;
+ }
+
+ auto device = GetNfcDevice(device_handle);
+
+ if (!device.has_value()) {
+ IPC::ResponseBuilder rb{ctx, 2};
+ rb.Push(DeviceNotFound);
+ return;
+ }
+
+ std::vector<u8> out_data(1);
+ // TODO: Request data from nfc device
+ ctx.WriteBuffer(out_data);
+
+ IPC::ResponseBuilder rb{ctx, 3};
+ rb.Push(ResultSuccess);
+ rb.Push(static_cast<u32>(out_data.size()));
+}
+
+std::optional<std::shared_ptr<NfcDevice>> Interface::GetNfcDevice(u64 handle) {
+ for (auto& device : devices) {
+ if (device->GetHandle() == handle) {
+ return device;
+ }
+ }
+ return std::nullopt;
+}
+
+} // namespace Service::NFC
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