// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <atomic>
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/k_event.h"
#include "core/hle/service/nfp/nfp.h"
#include "core/hle/service/nfp/nfp_user.h"
namespace Service::NFP {
namespace ErrCodes {
constexpr ResultCode ERR_NO_APPLICATION_AREA(ErrorModule::NFP, 152);
} // namespace ErrCodes
IUser::IUser(Module::Interface& nfp_interface_, Core::System& system_)
: ServiceFramework{system_, "NFP::IUser"}, nfp_interface{nfp_interface_},
deactivate_event{system.Kernel()}, availability_change_event{system.Kernel()} {
static const FunctionInfo functions[] = {
{0, &IUser::Initialize, "Initialize"},
{1, &IUser::Finalize, "Finalize"},
{2, &IUser::ListDevices, "ListDevices"},
{3, &IUser::StartDetection, "StartDetection"},
{4, &IUser::StopDetection, "StopDetection"},
{5, &IUser::Mount, "Mount"},
{6, &IUser::Unmount, "Unmount"},
{7, &IUser::OpenApplicationArea, "OpenApplicationArea"},
{8, &IUser::GetApplicationArea, "GetApplicationArea"},
{9, nullptr, "SetApplicationArea"},
{10, nullptr, "Flush"},
{11, nullptr, "Restore"},
{12, nullptr, "CreateApplicationArea"},
{13, &IUser::GetTagInfo, "GetTagInfo"},
{14, &IUser::GetRegisterInfo, "GetRegisterInfo"},
{15, &IUser::GetCommonInfo, "GetCommonInfo"},
{16, &IUser::GetModelInfo, "GetModelInfo"},
{17, &IUser::AttachActivateEvent, "AttachActivateEvent"},
{18, &IUser::AttachDeactivateEvent, "AttachDeactivateEvent"},
{19, &IUser::GetState, "GetState"},
{20, &IUser::GetDeviceState, "GetDeviceState"},
{21, &IUser::GetNpadId, "GetNpadId"},
{22, &IUser::GetApplicationAreaSize, "GetApplicationAreaSize"},
{23, &IUser::AttachAvailabilityChangeEvent, "AttachAvailabilityChangeEvent"},
{24, nullptr, "RecreateApplicationArea"},
};
RegisterHandlers(functions);
Kernel::KAutoObject::Create(std::addressof(deactivate_event));
Kernel::KAutoObject::Create(std::addressof(availability_change_event));
deactivate_event.Initialize("IUser:DeactivateEvent");
availability_change_event.Initialize("IUser:AvailabilityChangeEvent");
}
void IUser::Initialize(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFC, "called");
IPC::ResponseBuilder rb{ctx, 2, 0};
rb.Push(ResultSuccess);
state = State::Initialized;
}
void IUser::Finalize(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFP, "called");
device_state = DeviceState::Finalized;
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void IUser::ListDevices(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u32 array_size = rp.Pop<u32>();
LOG_DEBUG(Service_NFP, "called, array_size={}", array_size);
ctx.WriteBuffer(device_handle);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(1);
}
void IUser::StartDetection(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFP, "called");
if (device_state == DeviceState::Initialized || device_state == DeviceState::TagRemoved) {
device_state = DeviceState::SearchingForTag;
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void IUser::StopDetection(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFP, "called");
switch (device_state) {
case DeviceState::TagFound:
case DeviceState::TagMounted:
deactivate_event.GetWritableEvent().Signal();
device_state = DeviceState::Initialized;
break;
case DeviceState::SearchingForTag:
case DeviceState::TagRemoved:
device_state = DeviceState::Initialized;
break;
default:
break;
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void IUser::Mount(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFP, "called");
device_state = DeviceState::TagMounted;
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void IUser::Unmount(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFP, "called");
device_state = DeviceState::TagFound;
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void IUser::OpenApplicationArea(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NFP, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ErrCodes::ERR_NO_APPLICATION_AREA);
}
void IUser::GetApplicationArea(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NFP, "(STUBBED) called");
// TODO(ogniK): Pull application area from amiibo
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushRaw<u32>(0); // This is from the GetCommonInfo stub
}
void IUser::GetTagInfo(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFP, "called");
IPC::ResponseBuilder rb{ctx, 2};
const auto& amiibo = nfp_interface.GetAmiiboBuffer();
const TagInfo tag_info{
.uuid = amiibo.uuid,
.uuid_length = static_cast<u8>(amiibo.uuid.size()),
.protocol = 1, // TODO(ogniK): Figure out actual values
.tag_type = 2,
};
ctx.WriteBuffer(tag_info);
rb.Push(ResultSuccess);
}
void IUser::GetRegisterInfo(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NFP, "(STUBBED) called");
// TODO(ogniK): Pull Mii and owner data from amiibo
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void IUser::GetCommonInfo(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NFP, "(STUBBED) called");
// TODO(ogniK): Pull common information from amiibo
CommonInfo common_info{};
common_info.application_area_size = 0;
ctx.WriteBuffer(common_info);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void IUser::GetModelInfo(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFP, "called");
IPC::ResponseBuilder rb{ctx, 2};
const auto& amiibo = nfp_interface.GetAmiiboBuffer();
ctx.WriteBuffer(amiibo.model_info);
rb.Push(ResultSuccess);
}
void IUser::AttachActivateEvent(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 dev_handle = rp.Pop<u64>();
LOG_DEBUG(Service_NFP, "called, dev_handle=0x{:X}", dev_handle);
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(nfp_interface.GetNFCEvent());
has_attached_handle = true;
}
void IUser::AttachDeactivateEvent(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 dev_handle = rp.Pop<u64>();
LOG_DEBUG(Service_NFP, "called, dev_handle=0x{:X}", dev_handle);
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(deactivate_event.GetReadableEvent());
}
void IUser::GetState(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFC, "called");
IPC::ResponseBuilder rb{ctx, 3, 0};
rb.Push(ResultSuccess);
rb.PushRaw<u32>(static_cast<u32>(state));
}
void IUser::GetDeviceState(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFP, "called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(static_cast<u32>(device_state));
}
void IUser::GetNpadId(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 dev_handle = rp.Pop<u64>();
LOG_DEBUG(Service_NFP, "called, dev_handle=0x{:X}", dev_handle);
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(npad_id);
}
void IUser::GetApplicationAreaSize(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NFP, "(STUBBED) called");
// We don't need to worry about this since we can just open the file
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.PushRaw<u32>(0); // This is from the GetCommonInfo stub
}
void IUser::AttachAvailabilityChangeEvent(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_NFP, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(availability_change_event.GetReadableEvent());
}
Module::Interface::Interface(std::shared_ptr<Module> module_, Core::System& system_,
const char* name)
: ServiceFramework{system_, name}, nfc_tag_load{system.Kernel()}, module{std::move(module_)} {
Kernel::KAutoObject::Create(std::addressof(nfc_tag_load));
nfc_tag_load.Initialize("IUser:NFCTagDetected");
}
Module::Interface::~Interface() = default;
void Module::Interface::CreateUserInterface(Kernel::HLERequestContext& ctx) {
LOG_DEBUG(Service_NFP, "called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<IUser>(*this, system, service_context);
}
bool Module::Interface::LoadAmiibo(const std::vector<u8>& buffer) {
if (buffer.size() < sizeof(AmiiboFile)) {
return false;
}
std::memcpy(&amiibo, buffer.data(), sizeof(amiibo));
nfc_tag_load->GetWritableEvent().Signal();
return true;
}
Kernel::KReadableEvent& Module::Interface::GetNFCEvent() {
return nfc_tag_load->GetReadableEvent();
}
const Module::Interface::AmiiboFile& Module::Interface::GetAmiiboBuffer() const {
return amiibo;
}
void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system) {
auto module = std::make_shared<Module>();
std::make_shared<NFP_User>(module, system)->InstallAsService(service_manager);
}
} // namespace Service::NFP