2 files changed, 255 insertions, 0 deletions

diff --git a/src/input_common/helpers/joycon_protocol/generic_functions.cpp b/src/input_common/helpers/joycon_protocol/generic_functions.cpp
new file mode 100644
index 000000000..829f7625d
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/generic_functions.cpp
@@ -0,0 +1,147 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "input_common/helpers/joycon_protocol/generic_functions.h"
+
+namespace InputCommon::Joycon {
+
+GenericProtocol::GenericProtocol(std::shared_ptr<JoyconHandle> handle)
+    : JoyconCommonProtocol(handle) {}
+
+DriverResult GenericProtocol::EnablePassiveMode() {
+    SetBlocking();
+    const auto result = SetReportMode(ReportMode::SIMPLE_HID_MODE);
+    SetNonBlocking();
+    return result;
+}
+
+DriverResult GenericProtocol::EnableActiveMode() {
+    SetBlocking();
+    const auto result = SetReportMode(ReportMode::STANDARD_FULL_60HZ);
+    SetNonBlocking();
+    return result;
+}
+
+DriverResult GenericProtocol::GetDeviceInfo(DeviceInfo& device_info) {
+    std::vector<u8> output;
+    SetBlocking();
+
+    const auto result = SendSubCommand(SubCommand::REQ_DEV_INFO, {}, output);
+
+    device_info = {};
+    if (result == DriverResult::Success) {
+        memcpy(&device_info, output.data(), sizeof(DeviceInfo));
+    }
+
+    SetNonBlocking();
+    return result;
+}
+
+DriverResult GenericProtocol::GetControllerType(ControllerType& controller_type) {
+    return GetDeviceType(controller_type);
+}
+
+DriverResult GenericProtocol::EnableImu(bool enable) {
+    const std::vector<u8> buffer{static_cast<u8>(enable ? 1 : 0)};
+    std::vector<u8> output;
+    SetBlocking();
+    const auto result = SendSubCommand(SubCommand::ENABLE_IMU, buffer, output);
+    SetNonBlocking();
+    return result;
+}
+
+DriverResult GenericProtocol::SetImuConfig(GyroSensitivity gsen, GyroPerformance gfrec,
+                                           AccelerometerSensitivity asen,
+                                           AccelerometerPerformance afrec) {
+    const std::vector<u8> buffer{static_cast<u8>(gsen), static_cast<u8>(asen),
+                                 static_cast<u8>(gfrec), static_cast<u8>(afrec)};
+    std::vector<u8> output;
+    SetBlocking();
+    const auto result = SendSubCommand(SubCommand::SET_IMU_SENSITIVITY, buffer, output);
+    SetNonBlocking();
+    return result;
+}
+
+DriverResult GenericProtocol::GetBattery(u32& battery_level) {
+    battery_level = 0;
+    return DriverResult::NotSupported;
+}
+
+DriverResult GenericProtocol::GetColor(Color& color) {
+    std::vector<u8> buffer;
+    SetBlocking();
+    const auto result = ReadSPI(CalAddr::COLOR_DATA, 12, buffer);
+    SetNonBlocking();
+
+    color = {};
+    if (result == DriverResult::Success) {
+        color.body = static_cast<u32>((buffer[0] << 16) | (buffer[1] << 8) | buffer[2]);
+        color.buttons = static_cast<u32>((buffer[3] << 16) | (buffer[4] << 8) | buffer[5]);
+        color.left_grip = static_cast<u32>((buffer[6] << 16) | (buffer[7] << 8) | buffer[8]);
+        color.right_grip = static_cast<u32>((buffer[9] << 16) | (buffer[10] << 8) | buffer[11]);
+    }
+
+    return result;
+}
+
+DriverResult GenericProtocol::GetSerialNumber(SerialNumber& serial_number) {
+    std::vector<u8> buffer;
+    SetBlocking();
+    const auto result = ReadSPI(CalAddr::SERIAL_NUMBER, 16, buffer);
+    SetNonBlocking();
+
+    serial_number = {};
+    if (result == DriverResult::Success) {
+        memcpy(serial_number.data(), buffer.data() + 1, sizeof(SerialNumber));
+    }
+
+    return result;
+}
+
+DriverResult GenericProtocol::GetTemperature(u32& temperature) {
+    // Not all devices have temperature sensor
+    temperature = 25;
+    return DriverResult::NotSupported;
+}
+
+DriverResult GenericProtocol::GetVersionNumber(FirmwareVersion& version) {
+    DeviceInfo device_info{};
+
+    const auto result = GetDeviceInfo(device_info);
+    version = device_info.firmware;
+
+    return result;
+}
+
+DriverResult GenericProtocol::SetHomeLight() {
+    const std::vector<u8> buffer{0x0f, 0xf0, 0x00};
+    std::vector<u8> output;
+    SetBlocking();
+
+    const auto result = SendSubCommand(SubCommand::SET_HOME_LIGHT, buffer, output);
+
+    SetNonBlocking();
+    return result;
+}
+
+DriverResult GenericProtocol::SetLedBusy() {
+    return DriverResult::NotSupported;
+}
+
+DriverResult GenericProtocol::SetLedPattern(u8 leds) {
+    const std::vector<u8> buffer{leds};
+    std::vector<u8> output;
+    SetBlocking();
+
+    const auto result = SendSubCommand(SubCommand::SET_PLAYER_LIGHTS, buffer, output);
+
+    SetNonBlocking();
+    return result;
+}
+
+DriverResult GenericProtocol::SetLedBlinkPattern(u8 leds) {
+    return SetLedPattern(static_cast<u8>(leds << 4));
+}
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/generic_functions.h b/src/input_common/helpers/joycon_protocol/generic_functions.h
new file mode 100644
index 000000000..c3e2ccadc
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/generic_functions.h
@@ -0,0 +1,108 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include "input_common/helpers/joycon_protocol/common_protocol.h"
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+/// Joycon driver functions that easily implemented
+class GenericProtocol final : private JoyconCommonProtocol {
+public:
+    GenericProtocol(std::shared_ptr<JoyconHandle> handle);
+
+    /// Enables passive mode. This mode only sends button data on change. Sticks will return digital
+    /// data instead of analog. Motion will be disabled
+    DriverResult EnablePassiveMode();
+
+    /// Enables active mode. This mode will return the current status every 5-15ms
+    DriverResult EnableActiveMode();
+
+    /**
+     * Sends a request to obtain the joycon firmware and mac from handle
+     * @returns controller device info
+     */
+    DriverResult GetDeviceInfo(DeviceInfo& controller_type);
+
+    /**
+     * Sends a request to obtain the joycon type from handle
+     * @returns controller type of the joycon
+     */
+    DriverResult GetControllerType(ControllerType& controller_type);
+
+    /**
+     * Enables motion input
+     * @param enable if true motion data will be enabled
+     */
+    DriverResult EnableImu(bool enable);
+
+    /**
+     * Configures the motion sensor with the specified parameters
+     * @param gsen gyroscope sensor sensitvity in degrees per second
+     * @param gfrec gyroscope sensor frequency in hertz
+     * @param asen accelerometer sensitivity in G force
+     * @param afrec accelerometer frequency in hertz
+     */
+    DriverResult SetImuConfig(GyroSensitivity gsen, GyroPerformance gfrec,
+                              AccelerometerSensitivity asen, AccelerometerPerformance afrec);
+
+    /**
+     * Request battery level from the device
+     * @returns battery level
+     */
+    DriverResult GetBattery(u32& battery_level);
+
+    /**
+     * Request joycon colors from the device
+     * @returns colors of the body and buttons
+     */
+    DriverResult GetColor(Color& color);
+
+    /**
+     * Request joycon serial number from the device
+     * @returns 16 byte serial number
+     */
+    DriverResult GetSerialNumber(SerialNumber& serial_number);
+
+    /**
+     * Request joycon serial number from the device
+     * @returns 16 byte serial number
+     */
+    DriverResult GetTemperature(u32& temperature);
+
+    /**
+     * Request joycon serial number from the device
+     * @returns 16 byte serial number
+     */
+    DriverResult GetVersionNumber(FirmwareVersion& version);
+
+    /**
+     * Sets home led behaviour
+     */
+    DriverResult SetHomeLight();
+
+    /**
+     * Sets home led into a slow breathing state
+     */
+    DriverResult SetLedBusy();
+
+    /**
+     * Sets the 4 player leds on the joycon on a solid state
+     * @params bit flag containing the led state
+     */
+    DriverResult SetLedPattern(u8 leds);
+
+    /**
+     * Sets the 4 player leds on the joycon on a blinking state
+     * @returns bit flag containing the led state
+     */
+    DriverResult SetLedBlinkPattern(u8 leds);
+};
+} // namespace InputCommon::Joycon