Merge pull request #860 from yuriks/y2r-color

Color support for Y2R

2 files changed, 348 insertions, 174 deletions

diff --git a/src/core/hle/service/y2r_u.cpp b/src/core/hle/service/y2r_u.cpp
index 19bfde756..17cb4f0f0 100644
--- a/src/core/hle/service/y2r_u.cpp
+++ b/src/core/hle/service/y2r_u.cpp
@@ -9,8 +9,8 @@
 #include "core/hle/hle.h"
 #include "core/hle/kernel/event.h"
 #include "core/hle/service/y2r_u.h"
+#include "core/hw/y2r.h"
 #include "core/mem_map.h"
-#include "core/memory.h"
 
 #include "video_core/utils.h"
 #include "video_core/video_core.h"
@@ -20,75 +20,73 @@
 
 namespace Y2R_U {
 
-enum class InputFormat {
-    /// 8-bit input, with YUV components in separate planes and using 4:2:2 subsampling.
-    YUV422_Indiv8 = 0,
-    /// 8-bit input, with YUV components in separate planes and using 4:2:0 subsampling.
-    YUV420_Indiv8 = 1,
-
-    YUV422_INDIV_16 = 2,
-    YUV420_INDIV_16 = 3,
-    YUV422_BATCH = 4,
+struct ConversionParameters {
+    InputFormat input_format;
+    OutputFormat output_format;
+    Rotation rotation;
+    BlockAlignment block_alignment;
+    u16 input_line_width;
+    u16 input_lines;
+    StandardCoefficient standard_coefficient;
+    u8 reserved;
+    u16 alpha;
 };
+static_assert(sizeof(ConversionParameters) == 12, "ConversionParameters struct has incorrect size");
 
-enum class OutputFormat {
-    Rgb32 = 0,
-    Rgb24 = 1,
-    Rgb16_555 = 2,
-    Rgb16_565 = 3,
-};
+static Kernel::SharedPtr<Kernel::Event> completion_event;
+static ConversionConfiguration conversion;
 
-enum class Rotation {
-    None = 0,
-    Clockwise_90 = 1,
-    Clockwise_180 = 2,
-    Clockwise_270 = 3,
+static const CoefficientSet standard_coefficients[4] = {
+    {{ 0x100, 0x166, 0xB6, 0x58, 0x1C5, -0x166F, 0x10EE, -0x1C5B }}, // ITU_Rec601
+    {{ 0x100, 0x193, 0x77, 0x2F, 0x1DB, -0x1933,  0xA7C, -0x1D51 }}, // ITU_Rec709
+    {{ 0x12A, 0x198, 0xD0, 0x64, 0x204, -0x1BDE, 0x10F2, -0x229B }}, // ITU_Rec601_Scaling
+    {{ 0x12A, 0x1CA, 0x88, 0x36, 0x21C, -0x1F04,  0x99C, -0x2421 }}, // ITU_Rec709_Scaling
 };
 
-enum class BlockAlignment {
-    /// Image is output in linear format suitable for use as a framebuffer.
-    Linear = 0,
-    /// Image is output in tiled PICA format, suitable for use as a texture.
-    Block8x8 = 1,
-};
+ResultCode ConversionConfiguration::SetInputLineWidth(u16 width) {
+    if (width == 0 || width > 1024 || width % 8 != 0) {
+        return ResultCode(ErrorDescription::OutOfRange, ErrorModule::CAM,
+            ErrorSummary::InvalidArgument, ErrorLevel::Usage); // 0xE0E053FD
+    }
 
-enum class StandardCoefficient {
-    ITU_Rec601 = 0,
-    ITU_Rec709 = 1,
-    ITU_Rec601_Scaling = 2,
-    ITU_Rec709_Scaling = 3,
-};
+    // Note: The hardware uses the register value 0 to represent a width of 1024, so for a width of
+    // 1024 the `camera` module would set the value 0 here, but we don't need to emulate this
+    // internal detail.
+    this->input_line_width = width;
+    return RESULT_SUCCESS;
+}
 
-static Kernel::SharedPtr<Kernel::Event> completion_event;
+ResultCode ConversionConfiguration::SetInputLines(u16 lines) {
+    if (lines == 0 || lines > 1024) {
+        return ResultCode(ErrorDescription::OutOfRange, ErrorModule::CAM,
+            ErrorSummary::InvalidArgument, ErrorLevel::Usage); // 0xE0E053FD
+    }
 
-struct ConversionParameters {
-    InputFormat input_format;
-    OutputFormat output_format;
-    Rotation rotation;
-    BlockAlignment alignment;
-    u16 input_line_width;
-    u16 input_lines;
+    // Note: In what appears to be a bug, the `camera` module does not set the hardware register at
+    // all if `lines` is 1024, so the conversion uses the last value that was set. The intention
+    // was probably to set it to 0 like in SetInputLineWidth.
+    if (lines != 1024) {
+        this->input_lines = lines;
+    }
+    return RESULT_SUCCESS;
+}
 
-    // Input parameters for the Y (luma) plane
-    VAddr srcY_address;
-    u32 srcY_image_size;
-    u16 srcY_transfer_unit;
-    u16 srcY_stride;
-
-    // Output parameters for the conversion results
-    VAddr dst_address;
-    u32 dst_image_size;
-    u16 dst_transfer_unit;
-    u16 dst_stride;
-};
+ResultCode ConversionConfiguration::SetStandardCoefficient(StandardCoefficient standard_coefficient) {
+    size_t index = static_cast<size_t>(standard_coefficient);
+    if (index >= 4) {
+        return ResultCode(ErrorDescription::InvalidEnumValue, ErrorModule::CAM,
+            ErrorSummary::InvalidArgument, ErrorLevel::Usage); // 0xE0E053ED
+    }
 
-static ConversionParameters conversion_params;
+    std::memcpy(coefficients.data(), standard_coefficients[index].data(), sizeof(coefficients));
+    return RESULT_SUCCESS;
+}
 
 static void SetInputFormat(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    conversion_params.input_format = static_cast<InputFormat>(cmd_buff[1]);
-    LOG_DEBUG(Service_Y2R, "called input_format=%u", conversion_params.input_format);
+    conversion.input_format = static_cast<InputFormat>(cmd_buff[1]);
+    LOG_DEBUG(Service_Y2R, "called input_format=%hhu", conversion.input_format);
 
     cmd_buff[1] = RESULT_SUCCESS.raw;
 }
@@ -96,8 +94,8 @@ static void SetInputFormat(Service::Interface* self) {
 static void SetOutputFormat(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    conversion_params.output_format = static_cast<OutputFormat>(cmd_buff[1]);
-    LOG_DEBUG(Service_Y2R, "called output_format=%u", conversion_params.output_format);
+    conversion.output_format = static_cast<OutputFormat>(cmd_buff[1]);
+    LOG_DEBUG(Service_Y2R, "called output_format=%hhu", conversion.output_format);
 
     cmd_buff[1] = RESULT_SUCCESS.raw;
 }
@@ -105,8 +103,8 @@ static void SetOutputFormat(Service::Interface* self) {
 static void SetRotation(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    conversion_params.rotation = static_cast<Rotation>(cmd_buff[1]);
-    LOG_DEBUG(Service_Y2R, "called rotation=%u", conversion_params.rotation);
+    conversion.rotation = static_cast<Rotation>(cmd_buff[1]);
+    LOG_DEBUG(Service_Y2R, "called rotation=%hhu", conversion.rotation);
 
     cmd_buff[1] = RESULT_SUCCESS.raw;
 }
@@ -114,18 +112,26 @@ static void SetRotation(Service::Interface* self) {
 static void SetBlockAlignment(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    conversion_params.alignment = static_cast<BlockAlignment>(cmd_buff[1]);
-    LOG_DEBUG(Service_Y2R, "called alignment=%u", conversion_params.alignment);
+    conversion.block_alignment = static_cast<BlockAlignment>(cmd_buff[1]);
+    LOG_DEBUG(Service_Y2R, "called alignment=%hhu", conversion.block_alignment);
 
     cmd_buff[1] = RESULT_SUCCESS.raw;
 }
 
+static void SetTransferEndInterrupt(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    cmd_buff[0] = 0x000D0040;
+    cmd_buff[1] = RESULT_SUCCESS.raw;
+    LOG_DEBUG(Service_Y2R, "(STUBBED) called");
+}
+
 /**
-* Y2R_U::GetTransferEndEvent service function
-*  Outputs:
-*      1 : Result of function, 0 on success, otherwise error code
-*      3 : The handle of the completion event
-*/
+ * Y2R_U::GetTransferEndEvent service function
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      3 : The handle of the completion event
+ */
 static void GetTransferEndEvent(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
@@ -137,138 +143,132 @@ static void GetTransferEndEvent(Service::Interface* self) {
 static void SetSendingY(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    conversion_params.srcY_address = cmd_buff[1];
-    conversion_params.srcY_image_size = cmd_buff[2];
-    conversion_params.srcY_transfer_unit = cmd_buff[3];
-    conversion_params.srcY_stride = cmd_buff[4];
+    conversion.src_Y.address = cmd_buff[1];
+    conversion.src_Y.image_size = cmd_buff[2];
+    conversion.src_Y.transfer_unit = cmd_buff[3];
+    conversion.src_Y.gap = cmd_buff[4];
     u32 src_process_handle = cmd_buff[6];
     LOG_DEBUG(Service_Y2R, "called image_size=0x%08X, transfer_unit=%hu, transfer_stride=%hu, "
-        "src_process_handle=0x%08X", conversion_params.srcY_image_size,
-        conversion_params.srcY_transfer_unit, conversion_params.srcY_stride, src_process_handle);
+        "src_process_handle=0x%08X", conversion.src_Y.image_size,
+        conversion.src_Y.transfer_unit, conversion.src_Y.gap, src_process_handle);
 
     cmd_buff[1] = RESULT_SUCCESS.raw;
 }
 
-static void SetReceiving(Service::Interface* self) {
+static void SetSendingU(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    conversion_params.dst_address = cmd_buff[1];
-    conversion_params.dst_image_size = cmd_buff[2];
-    conversion_params.dst_transfer_unit = cmd_buff[3];
-    conversion_params.dst_stride = cmd_buff[4];
-    u32 dst_process_handle = cmd_buff[6];
+    conversion.src_U.address = cmd_buff[1];
+    conversion.src_U.image_size = cmd_buff[2];
+    conversion.src_U.transfer_unit = cmd_buff[3];
+    conversion.src_U.gap = cmd_buff[4];
+    u32 src_process_handle = cmd_buff[6];
     LOG_DEBUG(Service_Y2R, "called image_size=0x%08X, transfer_unit=%hu, transfer_stride=%hu, "
-        "dst_process_handle=0x%08X", conversion_params.dst_image_size,
-        conversion_params.dst_transfer_unit, conversion_params.dst_stride,
-        dst_process_handle);
+        "src_process_handle=0x%08X", conversion.src_U.image_size,
+        conversion.src_U.transfer_unit, conversion.src_U.gap, src_process_handle);
 
     cmd_buff[1] = RESULT_SUCCESS.raw;
 }
 
-static void SetInputLineWidth(Service::Interface* self) {
+static void SetSendingV(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    conversion_params.input_line_width = cmd_buff[1];
-    LOG_DEBUG(Service_Y2R, "input_line_width=%u", conversion_params.input_line_width);
+    conversion.src_V.address = cmd_buff[1];
+    conversion.src_V.image_size = cmd_buff[2];
+    conversion.src_V.transfer_unit = cmd_buff[3];
+    conversion.src_V.gap = cmd_buff[4];
+    u32 src_process_handle = cmd_buff[6];
+    LOG_DEBUG(Service_Y2R, "called image_size=0x%08X, transfer_unit=%hu, transfer_stride=%hu, "
+        "src_process_handle=0x%08X", conversion.src_V.image_size,
+        conversion.src_V.transfer_unit, conversion.src_V.gap, src_process_handle);
 
     cmd_buff[1] = RESULT_SUCCESS.raw;
 }
 
-static void SetInputLines(Service::Interface* self) {
+static void SetSendingYUYV(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    conversion_params.input_lines = cmd_buff[1];
-    LOG_DEBUG(Service_Y2R, "input_line_number=%u", conversion_params.input_lines);
+    conversion.src_YUYV.address = cmd_buff[1];
+    conversion.src_YUYV.image_size = cmd_buff[2];
+    conversion.src_YUYV.transfer_unit = cmd_buff[3];
+    conversion.src_YUYV.gap = cmd_buff[4];
+    u32 src_process_handle = cmd_buff[6];
+    LOG_DEBUG(Service_Y2R, "called image_size=0x%08X, transfer_unit=%hu, transfer_stride=%hu, "
+        "src_process_handle=0x%08X", conversion.src_YUYV.image_size,
+        conversion.src_YUYV.transfer_unit, conversion.src_YUYV.gap, src_process_handle);
 
     cmd_buff[1] = RESULT_SUCCESS.raw;
 }
 
-static void StartConversion(Service::Interface* self) {
+static void SetReceiving(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    const u8* srcY_buffer = Memory::GetPointer(conversion_params.srcY_address);
-    u8* dst_buffer = Memory::GetPointer(conversion_params.dst_address);
-
-    // TODO: support color and other kinds of conversions
-    ASSERT(conversion_params.input_format == InputFormat::YUV422_Indiv8
-        || conversion_params.input_format == InputFormat::YUV420_Indiv8);
-    ASSERT(conversion_params.output_format == OutputFormat::Rgb24);
-    ASSERT(conversion_params.rotation == Rotation::None);
-    const int bpp = 3;
-
-    switch (conversion_params.alignment) {
-    case BlockAlignment::Linear:
-    {
-        const size_t input_lines = conversion_params.input_lines;
-        const size_t input_line_width = conversion_params.input_line_width;
-        const size_t srcY_stride = conversion_params.srcY_stride;
-        const size_t dst_stride = conversion_params.dst_stride;
-
-        size_t srcY_offset = 0;
-        size_t dst_offset = 0;
-
-        for (size_t line = 0; line < input_lines; ++line) {
-            for (size_t i = 0; i < input_line_width; ++i) {
-                u8 Y = srcY_buffer[srcY_offset];
-                dst_buffer[dst_offset + 0] = Y;
-                dst_buffer[dst_offset + 1] = Y;
-                dst_buffer[dst_offset + 2] = Y;
-
-                srcY_offset += 1;
-                dst_offset += bpp;
-            }
-            srcY_offset += srcY_stride;
-            dst_offset += dst_stride;
-        }
-        break;
-    }
-    case BlockAlignment::Block8x8:
-    {
-        const size_t input_lines = conversion_params.input_lines;
-        const size_t input_line_width = conversion_params.input_line_width;
-        const size_t srcY_stride = conversion_params.srcY_stride;
-        const size_t dst_transfer_unit = conversion_params.dst_transfer_unit;
-        const size_t dst_stride = conversion_params.dst_stride;
+    conversion.dst.address = cmd_buff[1];
+    conversion.dst.image_size = cmd_buff[2];
+    conversion.dst.transfer_unit = cmd_buff[3];
+    conversion.dst.gap = cmd_buff[4];
+    u32 dst_process_handle = cmd_buff[6];
+    LOG_DEBUG(Service_Y2R, "called image_size=0x%08X, transfer_unit=%hu, transfer_stride=%hu, "
+        "dst_process_handle=0x%08X", conversion.dst.image_size,
+        conversion.dst.transfer_unit, conversion.dst.gap,
+        dst_process_handle);
 
-        size_t srcY_offset = 0;
-        size_t dst_tile_line_offs = 0;
+    cmd_buff[1] = RESULT_SUCCESS.raw;
+}
 
-        const size_t tile_size = 8 * 8 * bpp;
+static void SetInputLineWidth(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
 
-        for (size_t line = 0; line < input_lines;) {
-            size_t max_line = line + 8;
+    LOG_DEBUG(Service_Y2R, "called input_line_width=%u", cmd_buff[1]);
+    cmd_buff[1] = conversion.SetInputLineWidth(cmd_buff[1]).raw;
+}
 
-            for (; line < max_line; ++line) {
-                for (size_t x = 0; x < input_line_width; ++x) {
-                    size_t tile_x = x / 8;
+static void SetInputLines(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
 
-                    size_t dst_tile_offs = dst_tile_line_offs + tile_x * tile_size;
-                    size_t tile_i = VideoCore::MortonInterleave((u32)x, (u32)line);
+    LOG_DEBUG(Service_Y2R, "called input_line_number=%u", cmd_buff[1]);
+    cmd_buff[1] = conversion.SetInputLines(cmd_buff[1]).raw;
+}
 
-                    size_t dst_offset = dst_tile_offs + tile_i * bpp;
+static void SetCoefficient(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
 
-                    u8 Y = srcY_buffer[srcY_offset];
-                    dst_buffer[dst_offset + 0] = Y;
-                    dst_buffer[dst_offset + 1] = Y;
-                    dst_buffer[dst_offset + 2] = Y;
+    const u16* coefficients = reinterpret_cast<const u16*>(&cmd_buff[1]);
+    std::memcpy(conversion.coefficients.data(), coefficients, sizeof(CoefficientSet));
+    LOG_DEBUG(Service_Y2R, "called coefficients=[%hX, %hX, %hX, %hX, %hX, %hX, %hX, %hX]",
+            coefficients[0], coefficients[1], coefficients[2], coefficients[3],
+            coefficients[4], coefficients[5], coefficients[6], coefficients[7]);
 
-                    srcY_offset += 1;
-                }
+    cmd_buff[1] = RESULT_SUCCESS.raw;
+}
 
-                srcY_offset += srcY_stride;
-            }
+static void SetStandardCoefficient(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
 
-            dst_tile_line_offs += dst_transfer_unit + dst_stride;
-        }
-        break;
-    }
-    }
+    LOG_DEBUG(Service_Y2R, "called standard_coefficient=%u", cmd_buff[1]);
+
+    cmd_buff[1] = conversion.SetStandardCoefficient((StandardCoefficient)cmd_buff[1]).raw;
+}
 
-    // dst_image_size would seem to be perfect for this, but it doesn't include the stride :(
-    u32 total_output_size = conversion_params.input_lines *
-        (conversion_params.dst_transfer_unit + conversion_params.dst_stride);
+static void SetAlpha(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    conversion.alpha = cmd_buff[1];
+    LOG_DEBUG(Service_Y2R, "called alpha=%hu", conversion.alpha);
+
+    cmd_buff[1] = RESULT_SUCCESS.raw;
+}
+
+static void StartConversion(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    HW::Y2R::PerformConversion(conversion);
+
+    // dst_image_size would seem to be perfect for this, but it doesn't include the gap :(
+    u32 total_output_size = conversion.input_lines *
+        (conversion.dst.transfer_unit + conversion.dst.gap);
     VideoCore::g_renderer->hw_rasterizer->NotifyFlush(
-        Memory::VirtualToPhysicalAddress(conversion_params.dst_address), total_output_size);
+        Memory::VirtualToPhysicalAddress(conversion.dst.address), total_output_size);
 
     LOG_DEBUG(Service_Y2R, "called");
     completion_event->Signal();
@@ -276,12 +276,20 @@ static void StartConversion(Service::Interface* self) {
     cmd_buff[1] = RESULT_SUCCESS.raw;
 }
 
+static void StopConversion(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    cmd_buff[0] = 0x00270040;
+    cmd_buff[1] = RESULT_SUCCESS.raw;
+    LOG_DEBUG(Service_Y2R, "called");
+}
+
 /**
-* Y2R_U::IsBusyConversion service function
-*  Outputs:
-*      1 : Result of function, 0 on success, otherwise error code
-*      2 : 1 if there's a conversion running, otherwise 0.
-*/
+ * Y2R_U::IsBusyConversion service function
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : 1 if there's a conversion running, otherwise 0.
+ */
 static void IsBusyConversion(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
@@ -290,6 +298,40 @@ static void IsBusyConversion(Service::Interface* self) {
     LOG_DEBUG(Service_Y2R, "called");
 }
 
+/**
+ * Y2R_U::SetConversionParams service function
+ */
+static void SetConversionParams(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    auto params = reinterpret_cast<const ConversionParameters*>(&cmd_buff[1]);
+    LOG_DEBUG(Service_Y2R,
+        "called input_format=%hhu output_format=%hhu rotation=%hhu block_alignment=%hhu "
+        "input_line_width=%hu input_lines=%hu standard_coefficient=%hhu "
+        "reserved=%hhu alpha=%hX",
+        params->input_format, params->output_format, params->rotation, params->block_alignment,
+        params->input_line_width, params->input_lines, params->standard_coefficient,
+        params->reserved, params->alpha);
+
+    ResultCode result = RESULT_SUCCESS;
+
+    conversion.input_format = params->input_format;
+    conversion.output_format = params->output_format;
+    conversion.rotation = params->rotation;
+    conversion.block_alignment = params->block_alignment;
+    result = conversion.SetInputLineWidth(params->input_line_width);
+    if (result.IsError()) goto cleanup;
+    result = conversion.SetInputLines(params->input_lines);
+    if (result.IsError()) goto cleanup;
+    result = conversion.SetStandardCoefficient(params->standard_coefficient);
+    if (result.IsError()) goto cleanup;
+    conversion.alpha = params->alpha;
+
+cleanup:
+    cmd_buff[0] = 0x00290040; // TODO verify
+    cmd_buff[1] = result.raw;
+}
+
 static void PingProcess(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
@@ -298,27 +340,63 @@ static void PingProcess(Service::Interface* self) {
     LOG_WARNING(Service_Y2R, "(STUBBED) called");
 }
 
+static void DriverInitialize(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    conversion.input_format = InputFormat::YUV422_Indiv8;
+    conversion.output_format = OutputFormat::RGBA8;
+    conversion.rotation = Rotation::None;
+    conversion.block_alignment = BlockAlignment::Linear;
+    conversion.coefficients.fill(0);
+    conversion.SetInputLineWidth(1024);
+    conversion.SetInputLines(1024);
+    conversion.alpha = 0;
+
+    ConversionBuffer zero_buffer = {};
+    conversion.src_Y = zero_buffer;
+    conversion.src_U = zero_buffer;
+    conversion.src_V = zero_buffer;
+    conversion.dst = zero_buffer;
+
+    completion_event->Clear();
+
+    cmd_buff[0] = 0x002B0040;
+    cmd_buff[1] = RESULT_SUCCESS.raw;
+    LOG_DEBUG(Service_Y2R, "called");
+}
+
+static void DriverFinalize(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    cmd_buff[0] = 0x002C0040;
+    cmd_buff[1] = RESULT_SUCCESS.raw;
+    LOG_DEBUG(Service_Y2R, "called");
+}
+
 const Interface::FunctionInfo FunctionTable[] = {
     {0x00010040, SetInputFormat,          "SetInputFormat"},
     {0x00030040, SetOutputFormat,         "SetOutputFormat"},
     {0x00050040, SetRotation,             "SetRotation"},
     {0x00070040, SetBlockAlignment,       "SetBlockAlignment"},
-    {0x000D0040, nullptr,                 "SetTransferEndInterrupt"},
+    {0x000D0040, SetTransferEndInterrupt, "SetTransferEndInterrupt"},
     {0x000F0000, GetTransferEndEvent,     "GetTransferEndEvent"},
     {0x00100102, SetSendingY,             "SetSendingY"},
-    {0x00110102, nullptr,                 "SetSendingU"},
-    {0x00120102, nullptr,                 "SetSendingV"},
+    {0x00110102, SetSendingU,             "SetSendingU"},
+    {0x00120102, SetSendingV,             "SetSendingV"},
+    {0x00130102, SetSendingYUYV,          "SetSendingYUYV"},
     {0x00180102, SetReceiving,            "SetReceiving"},
     {0x001A0040, SetInputLineWidth,       "SetInputLineWidth"},
     {0x001C0040, SetInputLines,           "SetInputLines"},
-    {0x00200040, nullptr,                 "SetStandardCoefficient"},
-    {0x00220040, nullptr,                 "SetAlpha"},
+    {0x001E0100, SetCoefficient,          "SetCoefficient"},
+    {0x00200040, SetStandardCoefficient,  "SetStandardCoefficient"},
+    {0x00220040, SetAlpha,                "SetAlpha"},
     {0x00260000, StartConversion,         "StartConversion"},
-    {0x00270000, nullptr,                 "StopConversion"},
+    {0x00270000, StopConversion,          "StopConversion"},
     {0x00280000, IsBusyConversion,        "IsBusyConversion"},
+    {0x002901C0, SetConversionParams,     "SetConversionParams"},
     {0x002A0000, PingProcess,             "PingProcess"},
-    {0x002B0000, nullptr,                 "DriverInitialize"},
-    {0x002C0000, nullptr,                 "DriverFinalize"},
+    {0x002B0000, DriverInitialize,        "DriverInitialize"},
+    {0x002C0000, DriverFinalize,          "DriverFinalize"},
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -326,7 +404,7 @@ const Interface::FunctionInfo FunctionTable[] = {
 
 Interface::Interface() {
     completion_event = Kernel::Event::Create(RESETTYPE_ONESHOT, "Y2R:Completed");
-    std::memset(&conversion_params, 0, sizeof(conversion_params));
+    std::memset(&conversion, 0, sizeof(conversion));
 
     Register(FunctionTable);
 }
diff --git a/src/core/hle/service/y2r_u.h b/src/core/hle/service/y2r_u.h
index 171aecfd1..7df47fcb9 100644
--- a/src/core/hle/service/y2r_u.h
+++ b/src/core/hle/service/y2r_u.h
@@ -4,6 +4,10 @@
 
 #pragma once
 
+#include <array>
+
+#include "common/common_types.h"
+
 #include "core/hle/service/service.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -11,6 +15,98 @@
 
 namespace Y2R_U {
 
+enum class InputFormat : u8 {
+    /// 8-bit input, with YUV components in separate planes and 4:2:2 subsampling.
+    YUV422_Indiv8 = 0,
+    /// 8-bit input, with YUV components in separate planes and 4:2:0 subsampling.
+    YUV420_Indiv8 = 1,
+
+    /// 16-bit input (only LSB used), with YUV components in separate planes and 4:2:2 subsampling.
+    YUV422_Indiv16 = 2,
+    /// 16-bit input (only LSB used), with YUV components in separate planes and 4:2:0 subsampling.
+    YUV420_Indiv16 = 3,
+
+    /// 8-bit input, with a single interleaved stream in YUYV format and 4:2:2 subsampling.
+    YUYV422_Interleaved = 4,
+};
+
+enum class OutputFormat : u8 {
+    RGBA8 = 0,
+    RGB8 = 1,
+    RGB5A1 = 2,
+    RGB565 = 3,
+};
+
+enum class Rotation : u8 {
+    None = 0,
+    Clockwise_90 = 1,
+    Clockwise_180 = 2,
+    Clockwise_270 = 3,
+};
+
+enum class BlockAlignment : u8 {
+    /// Image is output in linear format suitable for use as a framebuffer.
+    Linear = 0,
+    /// Image is output in tiled PICA format, suitable for use as a texture.
+    Block8x8 = 1,
+};
+
+enum class StandardCoefficient : u8 {
+    /// ITU Rec. BT.601 primaries, with PC ranges.
+    ITU_Rec601 = 0,
+    /// ITU Rec. BT.709 primaries, with PC ranges.
+    ITU_Rec709 = 1,
+    /// ITU Rec. BT.601 primaries, with TV ranges.
+    ITU_Rec601_Scaling = 2,
+    /// ITU Rec. BT.709 primaries, with TV ranges.
+    ITU_Rec709_Scaling = 3,
+};
+
+/**
+ * A set of coefficients configuring the RGB to YUV conversion. Coefficients 0-4 are unsigned 2.8
+ * fixed pointer numbers representing entries on the conversion matrix, while coefficient 5-7 are
+ * signed 11.5 fixed point numbers added as offsets to the RGB result.
+ *
+ * The overall conversion process formula is:
+ * ```
+ * R = trunc((c_0 * Y           + c_1 * V) + c_5 + 0.75)
+ * G = trunc((c_0 * Y - c_3 * U - c_2 * V) + c_6 + 0.75)
+ * B = trunc((c_0 * Y + c_4 * U          ) + c_7 + 0.75)
+ * ```
+ */
+using CoefficientSet = std::array<s16, 8>;
+
+struct ConversionBuffer {
+    /// Current reading/writing address of this buffer.
+    VAddr address;
+    /// Remaining amount of bytes to be DMAed, does not include the inter-trasfer gap.
+    u32 image_size;
+    /// Size of a single DMA transfer.
+    u16 transfer_unit;
+    /// Amount of bytes to be skipped between copying each `transfer_unit` bytes.
+    u16 gap;
+};
+
+struct ConversionConfiguration {
+    InputFormat input_format;
+    OutputFormat output_format;
+    Rotation rotation;
+    BlockAlignment block_alignment;
+    u16 input_line_width;
+    u16 input_lines;
+    CoefficientSet coefficients;
+    u16 alpha;
+
+    /// Input parameters for the Y (luma) plane
+    ConversionBuffer src_Y, src_U, src_V, src_YUYV;
+    /// Output parameters for the conversion results
+    ConversionBuffer dst;
+
+    ResultCode SetInputLineWidth(u16 width);
+    ResultCode SetInputLines(u16 lines);
+    ResultCode SetStandardCoefficient(StandardCoefficient standard_coefficient);
+};
+
 class Interface : public Service::Interface {
 public:
     Interface();