// 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/ipc_helpers.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/service/nfc/nfc_device.h"
#include "core/hle/service/nfc/nfc_result.h"
#include "core/hle/service/nfc/nfc_user.h"
#include "core/hle/service/time/clock_types.h"
namespace Service::NFC {
IUser::IUser(Core::System& system_)
: ServiceFramework{system_, "NFC::IUser"}, service_context{system_, service_name} {
static const FunctionInfo functions[] = {
{0, &IUser::Initialize, "InitializeOld"},
{1, &IUser::Finalize, "FinalizeOld"},
{2, &IUser::GetState, "GetStateOld"},
{3, &IUser::IsNfcEnabled, "IsNfcEnabledOld"},
{400, &IUser::Initialize, "Initialize"},
{401, &IUser::Finalize, "Finalize"},
{402, &IUser::GetState, "GetState"},
{403, &IUser::IsNfcEnabled, "IsNfcEnabled"},
{404, &IUser::ListDevices, "ListDevices"},
{405, &IUser::GetDeviceState, "GetDeviceState"},
{406, &IUser::GetNpadId, "GetNpadId"},
{407, &IUser::AttachAvailabilityChangeEvent, "AttachAvailabilityChangeEvent"},
{408, &IUser::StartDetection, "StartDetection"},
{409, &IUser::StopDetection, "StopDetection"},
{410, &IUser::GetTagInfo, "GetTagInfo"},
{411, &IUser::AttachActivateEvent, "AttachActivateEvent"},
{412, &IUser::AttachDeactivateEvent, "AttachDeactivateEvent"},
{1000, nullptr, "ReadMifare"},
{1001, nullptr, "WriteMifare"},
{1300, &IUser::SendCommandByPassThrough, "SendCommandByPassThrough"},
{1301, nullptr, "KeepPassThroughSession"},
{1302, nullptr, "ReleasePassThroughSession"},
};
RegisterHandlers(functions);
availability_change_event = service_context.CreateEvent("IUser: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);
}
}
IUser ::~IUser() {
availability_change_event->Close();
}
void IUser::Initialize(Kernel::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 IUser::Finalize(Kernel::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 IUser::GetState(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFC, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushEnum(state);
}
void IUser::IsNfcEnabled(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFC, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(state != State::NonInitialized);
}
void IUser::ListDevices(Kernel::HLERequestContext& ctx) {
LOG_INFO(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.GetWriteBufferSize() / sizeof(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 IUser::GetDeviceState(Kernel::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 IUser::GetNpadId(Kernel::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 IUser::AttachAvailabilityChangeEvent(Kernel::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 IUser::StartDetection(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto device_handle{rp.Pop<u64>()};
const auto nfp_protocol{rp.Pop<s32>()};
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 IUser::StopDetection(Kernel::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 IUser::GetTagInfo(Kernel::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);
ctx.WriteBuffer(tag_info);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
}
void IUser::AttachActivateEvent(Kernel::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 IUser::AttachDeactivateEvent(Kernel::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 IUser::SendCommandByPassThrough(Kernel::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>> IUser::GetNfcDevice(u64 handle) {
for (auto& device : devices) {
if (device->GetHandle() == handle) {
return device;
}
}
return std::nullopt;
}
} // namespace Service::NFC