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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/core.h"
#include "core/hle/result.h"
#include "core/hle/service/i2c/i2c.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/hle/service/cmif_serialization.h"
#include "core/hle/service/cmif_types.h"
#include "core/hle/service/service.h"
#include "core/hle/service/server_manager.h"
namespace Service::I2C {
class I2CSession final : public ServiceFramework<I2CSession> {
public:
explicit I2CSession(Core::System& system_)
: ServiceFramework{system_, "I2CSession"}
{
static const FunctionInfo functions[] = {
{0, nullptr, "SendOld"},
{1, nullptr, "ReceiveOld"},
{2, nullptr, "ExecuteCommandListOld"},
{10, C<&I2CSession::Send>, "Send"},
{11, nullptr, "Receive"},
{12, nullptr, "ExecuteCommandList"},
{13, nullptr, "SetRetryPolicy"},
};
RegisterHandlers(functions);
}
~I2CSession() override = default;
Result Send(InBuffer<BufferAttr_HipcMapAlias> in_data, u32 transaction_option) {
LOG_WARNING(Service, "(stubbed) topt={}", transaction_option);
R_THROW(ResultUnknown);
}
};
enum class I2CDevice : u32 {
ClassicController,
Ftm3bd56,
};
class I2C final : public ServiceFramework<I2C> {
public:
explicit I2C(Core::System& system_)
: ServiceFramework{system_, "i2c"}
{
static const FunctionInfo functions[] = {
{0, C<&I2C::OpenSessionForDev>, "OpenSessionForDev"},
{1, C<&I2C::OpenSession>, "OpenSession"},
{2, C<&I2C::HasDevice>, "HasDevice"},
{3, C<&I2C::HasDeviceForDev>, "HasDeviceForDev"},
{4, C<&I2C::OpenSession2>, "OpenSession2"},
};
RegisterHandlers(functions);
}
~I2C() override = default;
Result OpenSessionForDev(OutInterface<I2CSession> out_session, s32 bus_idx, u32 slave_address, u32 addressing_mode, u32 speed_mode) {
LOG_DEBUG(Service, "(stubbed)");
*out_session = std::make_shared<I2CSession>(system);
R_SUCCEED();
}
Result OpenSession(OutInterface<I2CSession> out_session, I2CDevice device) {
LOG_DEBUG(Service, "(stubbed)");
*out_session = std::make_shared<I2CSession>(system);
R_SUCCEED();
}
Result HasDevice(Out<bool> out_has_device, I2CDevice device) {
LOG_DEBUG(Service, "(stubbed)");
*out_has_device = false;
R_SUCCEED();
}
Result HasDeviceForDev(Out<bool> out_has_device, I2CDevice device) {
LOG_DEBUG(Service, "(stubbed)");
*out_has_device = false;
R_SUCCEED();
}
Result OpenSession2(OutInterface<I2CSession> out_session, u32 device_code) {
LOG_DEBUG(Service, "(stubbed) device_code={}", device_code);
*out_session = std::make_shared<I2CSession>(system);
R_SUCCEED();
}
};
void LoopProcess(Core::System& system) {
auto server_manager = std::make_unique<ServerManager>(system);
server_manager->RegisterNamedService("i2c", std::make_shared<I2C>(system));
ServerManager::RunServer(std::move(server_manager));
}
} // namespace Service::I2C
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