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-rw-r--r--src/libcamera/pipeline/mali-c55/mali-c55.cpp1066
-rw-r--r--src/libcamera/pipeline/mali-c55/meson.build5
2 files changed, 1071 insertions, 0 deletions
diff --git a/src/libcamera/pipeline/mali-c55/mali-c55.cpp b/src/libcamera/pipeline/mali-c55/mali-c55.cpp
new file mode 100644
index 00000000..78343553
--- /dev/null
+++ b/src/libcamera/pipeline/mali-c55/mali-c55.cpp
@@ -0,0 +1,1066 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2024, Ideas on Board Oy
+ *
+ * mali-c55.cpp - Pipeline Handler for ARM's Mali-C55 ISP
+ */
+
+#include <algorithm>
+#include <array>
+#include <map>
+#include <memory>
+#include <set>
+#include <string>
+
+#include <linux/media-bus-format.h>
+#include <linux/media.h>
+
+#include <libcamera/base/log.h>
+
+#include <libcamera/camera.h>
+#include <libcamera/formats.h>
+#include <libcamera/geometry.h>
+#include <libcamera/stream.h>
+
+#include "libcamera/internal/bayer_format.h"
+#include "libcamera/internal/camera.h"
+#include "libcamera/internal/camera_sensor.h"
+#include "libcamera/internal/device_enumerator.h"
+#include "libcamera/internal/media_device.h"
+#include "libcamera/internal/pipeline_handler.h"
+#include "libcamera/internal/v4l2_subdevice.h"
+#include "libcamera/internal/v4l2_videodevice.h"
+
+namespace {
+
+bool isFormatRaw(const libcamera::PixelFormat &pixFmt)
+{
+ return libcamera::PixelFormatInfo::info(pixFmt).colourEncoding ==
+ libcamera::PixelFormatInfo::ColourEncodingRAW;
+}
+
+} /* namespace */
+
+namespace libcamera {
+
+LOG_DEFINE_CATEGORY(MaliC55)
+
+const std::map<libcamera::PixelFormat, unsigned int> maliC55FmtToCode = {
+ /* \todo Support all formats supported by the driver in libcamera. */
+
+ { formats::RGB565, MEDIA_BUS_FMT_RGB121212_1X36 },
+ { formats::RGB888, MEDIA_BUS_FMT_RGB121212_1X36 },
+ { formats::YUYV, MEDIA_BUS_FMT_YUV10_1X30 },
+ { formats::UYVY, MEDIA_BUS_FMT_YUV10_1X30 },
+ { formats::R8, MEDIA_BUS_FMT_YUV10_1X30 },
+ { formats::NV12, MEDIA_BUS_FMT_YUV10_1X30 },
+ { formats::NV21, MEDIA_BUS_FMT_YUV10_1X30 },
+
+ /* RAW formats, FR pipe only. */
+ { formats::SGBRG8, MEDIA_BUS_FMT_SGBRG8_1X8 },
+ { formats::SRGGB8, MEDIA_BUS_FMT_SRGGB8_1X8 },
+ { formats::SBGGR8, MEDIA_BUS_FMT_SBGGR8_1X8 },
+ { formats::SGRBG8, MEDIA_BUS_FMT_SGRBG8_1X8 },
+ { formats::SGBRG10, MEDIA_BUS_FMT_SGBRG10_1X10 },
+ { formats::SRGGB10, MEDIA_BUS_FMT_SRGGB10_1X10 },
+ { formats::SBGGR10, MEDIA_BUS_FMT_SBGGR10_1X10 },
+ { formats::SGRBG10, MEDIA_BUS_FMT_SGRBG10_1X10 },
+ { formats::SGBRG12, MEDIA_BUS_FMT_SGBRG12_1X12 },
+ { formats::SRGGB12, MEDIA_BUS_FMT_SRGGB12_1X12 },
+ { formats::SBGGR12, MEDIA_BUS_FMT_SBGGR12_1X12 },
+ { formats::SGRBG12, MEDIA_BUS_FMT_SGRBG12_1X12 },
+ { formats::SGBRG14, MEDIA_BUS_FMT_SGBRG14_1X14 },
+ { formats::SRGGB14, MEDIA_BUS_FMT_SRGGB14_1X14 },
+ { formats::SBGGR14, MEDIA_BUS_FMT_SBGGR14_1X14 },
+ { formats::SGRBG14, MEDIA_BUS_FMT_SGRBG14_1X14 },
+ { formats::SGBRG16, MEDIA_BUS_FMT_SGBRG16_1X16 },
+ { formats::SRGGB16, MEDIA_BUS_FMT_SRGGB16_1X16 },
+ { formats::SBGGR16, MEDIA_BUS_FMT_SBGGR16_1X16 },
+ { formats::SGRBG16, MEDIA_BUS_FMT_SGRBG16_1X16 },
+};
+
+constexpr Size kMaliC55MinSize = { 128, 128 };
+constexpr Size kMaliC55MaxSize = { 8192, 8192 };
+constexpr unsigned int kMaliC55ISPInternalFormat = MEDIA_BUS_FMT_RGB121212_1X36;
+
+class MaliC55CameraData : public Camera::Private
+{
+public:
+ MaliC55CameraData(PipelineHandler *pipe, MediaEntity *entity)
+ : Camera::Private(pipe), entity_(entity)
+ {
+ }
+
+ int init();
+
+ /* Deflect these functionalities to either TPG or CameraSensor. */
+ const std::vector<unsigned int> mbusCodes() const;
+ const std::vector<Size> sizes(unsigned int mbusCode) const;
+ const Size resolution() const;
+
+ PixelFormat bestRawFormat() const;
+
+ PixelFormat adjustRawFormat(const PixelFormat &pixFmt) const;
+ Size adjustRawSizes(const PixelFormat &pixFmt, const Size &rawSize) const;
+
+ std::unique_ptr<CameraSensor> sensor_;
+
+ MediaEntity *entity_;
+ std::unique_ptr<V4L2Subdevice> csi_;
+ std::unique_ptr<V4L2Subdevice> sd_;
+ Stream frStream_;
+ Stream dsStream_;
+
+private:
+ void initTPGData();
+
+ std::string id_;
+ std::vector<unsigned int> tpgCodes_;
+ std::vector<Size> tpgSizes_;
+ Size tpgResolution_;
+};
+
+int MaliC55CameraData::init()
+{
+ int ret;
+
+ sd_ = std::make_unique<V4L2Subdevice>(entity_);
+ ret = sd_->open();
+ if (ret) {
+ LOG(MaliC55, Error) << "Failed to open sensor subdevice";
+ return ret;
+ }
+
+ /* If this camera is created from TPG, we return here. */
+ if (entity_->name() == "mali-c55 tpg") {
+ initTPGData();
+ return 0;
+ }
+
+ /*
+ * Register a CameraSensor if we connect to a sensor and create
+ * an entity for the connected CSI-2 receiver.
+ */
+ sensor_ = std::make_unique<CameraSensor>(entity_);
+ ret = sensor_->init();
+ if (ret)
+ return ret;
+
+ const MediaPad *sourcePad = entity_->getPadByIndex(0);
+ MediaEntity *csiEntity = sourcePad->links()[0]->sink()->entity();
+
+ csi_ = std::make_unique<V4L2Subdevice>(csiEntity);
+ if (csi_->open()) {
+ LOG(MaliC55, Error) << "Failed to open CSI-2 subdevice";
+ return false;
+ }
+
+ return 0;
+}
+
+void MaliC55CameraData::initTPGData()
+{
+ /* Replicate the CameraSensor implementation for TPG. */
+ V4L2Subdevice::Formats formats = sd_->formats(0);
+ if (formats.empty())
+ return;
+
+ tpgCodes_ = utils::map_keys(formats);
+ std::sort(tpgCodes_.begin(), tpgCodes_.end());
+
+ for (const auto &format : formats) {
+ const std::vector<SizeRange> &ranges = format.second;
+ std::transform(ranges.begin(), ranges.end(), std::back_inserter(tpgSizes_),
+ [](const SizeRange &range) { return range.max; });
+ }
+
+ tpgResolution_ = tpgSizes_.back();
+}
+
+const std::vector<unsigned int> MaliC55CameraData::mbusCodes() const
+{
+ if (sensor_)
+ return sensor_->mbusCodes();
+
+ return tpgCodes_;
+}
+
+const std::vector<Size> MaliC55CameraData::sizes(unsigned int mbusCode) const
+{
+ if (sensor_)
+ return sensor_->sizes(mbusCode);
+
+ V4L2Subdevice::Formats formats = sd_->formats(0);
+ if (formats.empty())
+ return {};
+
+ std::vector<Size> sizes;
+ const auto &format = formats.find(mbusCode);
+ if (format == formats.end())
+ return {};
+
+ const std::vector<SizeRange> &ranges = format->second;
+ std::transform(ranges.begin(), ranges.end(), std::back_inserter(sizes),
+ [](const SizeRange &range) { return range.max; });
+
+ std::sort(sizes.begin(), sizes.end());
+
+ return sizes;
+}
+
+const Size MaliC55CameraData::resolution() const
+{
+ if (sensor_)
+ return sensor_->resolution();
+
+ return tpgResolution_;
+}
+
+PixelFormat MaliC55CameraData::bestRawFormat() const
+{
+ unsigned int bitDepth = 0;
+ PixelFormat rawFormat;
+
+ /*
+ * Iterate over all the supported PixelFormat and find the one
+ * supported by the camera with the largest bitdepth.
+ */
+ for (const auto &maliFormat : maliC55FmtToCode) {
+ PixelFormat pixFmt = maliFormat.first;
+ if (!isFormatRaw(pixFmt))
+ continue;
+
+ unsigned int rawCode = maliFormat.second;
+ const auto rawSizes = sizes(rawCode);
+ if (rawSizes.empty())
+ continue;
+
+ BayerFormat bayer = BayerFormat::fromMbusCode(rawCode);
+ if (bayer.bitDepth > bitDepth) {
+ bitDepth = bayer.bitDepth;
+ rawFormat = pixFmt;
+ }
+ }
+
+ return rawFormat;
+}
+
+/*
+ * Make sure the provided raw pixel format is supported and adjust it to
+ * one of the supported ones if it's not.
+ */
+PixelFormat MaliC55CameraData::adjustRawFormat(const PixelFormat &rawFmt) const
+{
+ /* Make sure the provided raw format is supported by the pipeline. */
+ auto it = maliC55FmtToCode.find(rawFmt);
+ if (it == maliC55FmtToCode.end())
+ return bestRawFormat();
+
+ /* Now make sure the RAW mbus code is supported by the image source. */
+ unsigned int rawCode = it->second;
+ const auto rawSizes = sizes(rawCode);
+ if (rawSizes.empty())
+ return bestRawFormat();
+
+ return rawFmt;
+}
+
+Size MaliC55CameraData::adjustRawSizes(const PixelFormat &rawFmt, const Size &rawSize) const
+{
+ /* Just make sure the format is supported. */
+ auto it = maliC55FmtToCode.find(rawFmt);
+ if (it == maliC55FmtToCode.end())
+ return {};
+
+ /* Check if the size is natively supported. */
+ unsigned int rawCode = it->second;
+ const auto rawSizes = sizes(rawCode);
+ auto sizeIt = std::find(rawSizes.begin(), rawSizes.end(), rawSize);
+ if (sizeIt != rawSizes.end())
+ return rawSize;
+
+ /* Or adjust it to the closest supported size. */
+ uint16_t distance = std::numeric_limits<uint16_t>::max();
+ Size bestSize;
+ for (const Size &size : rawSizes) {
+ uint16_t dist = std::abs(static_cast<int>(rawSize.width) -
+ static_cast<int>(size.width)) +
+ std::abs(static_cast<int>(rawSize.height) -
+ static_cast<int>(size.height));
+ if (dist < distance) {
+ dist = distance;
+ bestSize = size;
+ }
+ }
+
+ return bestSize;
+}
+
+class MaliC55CameraConfiguration : public CameraConfiguration
+{
+public:
+ MaliC55CameraConfiguration(MaliC55CameraData *data)
+ : CameraConfiguration(), data_(data)
+ {
+ }
+
+ Status validate() override;
+
+ V4L2SubdeviceFormat sensorFormat_;
+
+private:
+ static constexpr unsigned int kMaxStreams = 2;
+
+ const MaliC55CameraData *data_;
+};
+
+CameraConfiguration::Status MaliC55CameraConfiguration::validate()
+{
+ Status status = Valid;
+
+ if (config_.empty())
+ return Invalid;
+
+ /* Only 2 streams available. */
+ if (config_.size() > kMaxStreams) {
+ config_.resize(kMaxStreams);
+ status = Adjusted;
+ }
+
+ bool frPipeAvailable = true;
+ StreamConfiguration *rawConfig = nullptr;
+ for (StreamConfiguration &config : config_) {
+ if (!isFormatRaw(config.pixelFormat))
+ continue;
+
+ if (rawConfig) {
+ LOG(MaliC55, Error)
+ << "Only a single RAW stream is supported";
+ return Invalid;
+ }
+
+ rawConfig = &config;
+ }
+
+ Size maxSize = kMaliC55MaxSize;
+ if (rawConfig) {
+ /*
+ * \todo Take into account the Bayer components ordering once
+ * we support rotations.
+ */
+ PixelFormat rawFormat =
+ data_->adjustRawFormat(rawConfig->pixelFormat);
+ if (rawFormat != rawConfig->pixelFormat) {
+ LOG(MaliC55, Debug)
+ << "RAW format adjusted to " << rawFormat;
+ rawConfig->pixelFormat = rawFormat;
+ status = Adjusted;
+ }
+
+ Size rawSize =
+ data_->adjustRawSizes(rawFormat, rawConfig->size);
+ if (rawSize != rawConfig->size) {
+ LOG(MaliC55, Debug)
+ << "RAW sizes adjusted to " << rawSize;
+ rawConfig->size = rawSize;
+ status = Adjusted;
+ }
+
+ maxSize = rawSize;
+
+ rawConfig->setStream(const_cast<Stream *>(&data_->frStream_));
+ frPipeAvailable = false;
+ }
+
+ /* Adjust processed streams. */
+ Size maxYuvSize;
+ for (StreamConfiguration &config : config_) {
+ if (isFormatRaw(config.pixelFormat))
+ continue;
+
+ /* Adjust format and size for processed streams. */
+ const auto it = maliC55FmtToCode.find(config.pixelFormat);
+ if (it == maliC55FmtToCode.end()) {
+ LOG(MaliC55, Debug)
+ << "Format adjusted to " << formats::RGB565;
+ config.pixelFormat = formats::RGB565;
+ status = Adjusted;
+ }
+
+ Size size = std::clamp(config.size, kMaliC55MinSize, maxSize);
+ if (size != config.size) {
+ LOG(MaliC55, Debug)
+ << "Size adjusted to " << size;
+ config.size = size;
+ status = Adjusted;
+ }
+
+ if (maxYuvSize < size)
+ maxYuvSize = size;
+
+ if (frPipeAvailable) {
+ config.setStream(const_cast<Stream *>(&data_->frStream_));
+ frPipeAvailable = false;
+ } else {
+ config.setStream(const_cast<Stream *>(&data_->dsStream_));
+ }
+ }
+
+ /* Compute the sensor format. */
+
+ /* If there's a RAW config, sensor configuration follows it. */
+ if (rawConfig) {
+ const auto it = maliC55FmtToCode.find(rawConfig->pixelFormat);
+ sensorFormat_.code = it->second;
+ sensorFormat_.size = rawConfig->size;
+
+ return status;
+ }
+
+ /* If there's no RAW config, compute the sensor configuration here. */
+ PixelFormat rawFormat = data_->bestRawFormat();
+ const auto it = maliC55FmtToCode.find(rawFormat);
+ sensorFormat_.code = it->second;
+
+ uint16_t distance = std::numeric_limits<uint16_t>::max();
+ const auto sizes = data_->sizes(it->second);
+ Size bestSize;
+ for (const auto &size : sizes) {
+ /* Skip sensor sizes that are smaller than the max YUV size. */
+ if (maxYuvSize.width > size.width ||
+ maxYuvSize.height > size.height)
+ continue;
+
+ uint16_t dist = std::abs(static_cast<int>(maxYuvSize.width) -
+ static_cast<int>(size.width)) +
+ std::abs(static_cast<int>(maxYuvSize.height) -
+ static_cast<int>(size.height));
+ if (dist < distance) {
+ dist = distance;
+ bestSize = size;
+ }
+ }
+ sensorFormat_.size = bestSize;
+
+ LOG(MaliC55, Debug) << "Computed sensor configuration " << sensorFormat_;
+
+ return status;
+}
+
+class PipelineHandlerMaliC55 : public PipelineHandler
+{
+public:
+ PipelineHandlerMaliC55(CameraManager *manager);
+
+ std::unique_ptr<CameraConfiguration> generateConfiguration(Camera *camera,
+ Span<const StreamRole> roles) override;
+ int configure(Camera *camera, CameraConfiguration *config) override;
+
+ int exportFrameBuffers(Camera *camera, Stream *stream,
+ std::vector<std::unique_ptr<FrameBuffer>> *buffers) override;
+
+ int start(Camera *camera, const ControlList *controls) override;
+ void stopDevice(Camera *camera) override;
+
+ int queueRequestDevice(Camera *camera, Request *request) override;
+
+ void bufferReady(FrameBuffer *buffer);
+
+ bool match(DeviceEnumerator *enumerator) override;
+
+private:
+ struct MaliC55Pipe {
+ std::unique_ptr<V4L2Subdevice> resizer;
+ std::unique_ptr<V4L2VideoDevice> cap;
+ Stream *stream;
+ };
+
+ enum {
+ MaliC55FR,
+ MaliC55DS,
+ MaliC55NumPipes,
+ };
+
+ MaliC55CameraData *cameraData(Camera *camera)
+ {
+ return static_cast<MaliC55CameraData *>(camera->_d());
+ }
+
+ MaliC55Pipe *pipeFromStream(MaliC55CameraData *data, Stream *stream)
+ {
+ if (stream == &data->frStream_)
+ return &pipes_[MaliC55FR];
+ else if (stream == &data->dsStream_)
+ return &pipes_[MaliC55DS];
+ else
+ LOG(MaliC55, Fatal) << "Stream " << stream << " not valid";
+ return nullptr;
+ }
+
+ MaliC55Pipe *pipeFromStream(MaliC55CameraData *data, const Stream *stream)
+ {
+ return pipeFromStream(data, const_cast<Stream *>(stream));
+ }
+
+ void resetPipes()
+ {
+ for (MaliC55Pipe &pipe : pipes_)
+ pipe.stream = nullptr;
+ }
+
+ int configureRawStream(MaliC55CameraData *data,
+ const StreamConfiguration &config,
+ V4L2SubdeviceFormat &subdevFormat);
+ int configureProcessedStream(MaliC55CameraData *data,
+ const StreamConfiguration &config,
+ V4L2SubdeviceFormat &subdevFormat);
+
+ void registerMaliCamera(std::unique_ptr<MaliC55CameraData> data,
+ const std::string &name);
+ bool registerTPGCamera(MediaLink *link);
+ bool registerSensorCamera(MediaLink *link);
+
+ MediaDevice *media_;
+ std::unique_ptr<V4L2Subdevice> isp_;
+
+ std::array<MaliC55Pipe, MaliC55NumPipes> pipes_;
+
+ bool dsFitted_;
+};
+
+PipelineHandlerMaliC55::PipelineHandlerMaliC55(CameraManager *manager)
+ : PipelineHandler(manager), dsFitted_(true)
+{
+}
+
+std::unique_ptr<CameraConfiguration>
+PipelineHandlerMaliC55::generateConfiguration(Camera *camera,
+ Span<const StreamRole> roles)
+{
+ MaliC55CameraData *data = cameraData(camera);
+ std::unique_ptr<CameraConfiguration> config =
+ std::make_unique<MaliC55CameraConfiguration>(data);
+ bool frPipeAvailable = true;
+
+ if (roles.empty())
+ return config;
+
+ /* Check if one stream is RAW to reserve the FR pipe for it. */
+ if (std::find(roles.begin(), roles.end(), StreamRole::Raw) != roles.end())
+ frPipeAvailable = false;
+
+ for (const StreamRole &role : roles) {
+ struct MaliC55Pipe *pipe;
+
+ /* Assign pipe for this role. */
+ if (role == StreamRole::Raw) {
+ pipe = &pipes_[MaliC55FR];
+ } else {
+ if (frPipeAvailable) {
+ pipe = &pipes_[MaliC55FR];
+ frPipeAvailable = false;
+ } else {
+ pipe = &pipes_[MaliC55DS];
+ }
+ }
+
+ Size size = std::min(Size{ 1920, 1080 }, data->resolution());
+ PixelFormat pixelFormat;
+
+ switch (role) {
+ case StreamRole::StillCapture:
+ size = data->resolution();
+ [[fallthrough]];
+ case StreamRole::VideoRecording:
+ pixelFormat = formats::NV12;
+ break;
+
+ case StreamRole::Viewfinder:
+ pixelFormat = formats::RGB565;
+ break;
+
+ case StreamRole::Raw:
+ pixelFormat = data->bestRawFormat();
+ if (!pixelFormat.isValid()) {
+ LOG(MaliC55, Error)
+ << "Camera does not support RAW formats";
+ return nullptr;
+ }
+
+ size = data->resolution();
+ break;
+
+ default:
+ LOG(MaliC55, Error)
+ << "Requested stream role not supported: " << role;
+ return nullptr;
+ }
+
+ std::map<PixelFormat, std::vector<SizeRange>> formats;
+ for (const auto &maliFormat : maliC55FmtToCode) {
+ PixelFormat pixFmt = maliFormat.first;
+ bool isRaw = isFormatRaw(pixFmt);
+
+ /* RAW formats are only supported on the FR pipe. */
+ if (pipe != &pipes_[MaliC55FR] && isRaw)
+ continue;
+
+ if (isRaw) {
+ /* Make sure the mbus code is supported. */
+ unsigned int rawCode = maliFormat.second;
+ const auto sizes = data->sizes(rawCode);
+ if (sizes.empty())
+ continue;
+
+ /* And list all sizes the sensor can produce. */
+ std::vector<SizeRange> sizeRanges;
+ std::transform(sizes.begin(), sizes.end(),
+ std::back_inserter(sizeRanges),
+ [](const Size &s) {
+ return SizeRange(s);
+ });
+
+ formats[pixFmt] = sizeRanges;
+ } else {
+ /* Processed formats are always available. */
+ Size maxSize = std::min(kMaliC55MaxSize,
+ data->resolution());
+ formats[pixFmt] = { kMaliC55MinSize, maxSize };
+ }
+ }
+
+ StreamFormats streamFormats(formats);
+ StreamConfiguration cfg(streamFormats);
+ cfg.pixelFormat = pixelFormat;
+ cfg.bufferCount = 4;
+ cfg.size = size;
+
+ config->addConfiguration(cfg);
+ }
+
+ if (config->validate() == CameraConfiguration::Invalid)
+ return nullptr;
+
+ return config;
+}
+
+int PipelineHandlerMaliC55::configureRawStream(MaliC55CameraData *data,
+ const StreamConfiguration &config,
+ V4L2SubdeviceFormat &subdevFormat)
+{
+ Stream *stream = config.stream();
+ MaliC55Pipe *pipe = pipeFromStream(data, stream);
+
+ if (pipe != &pipes_[MaliC55FR]) {
+ LOG(MaliC55, Fatal) << "Only the FR pipe supports RAW capture.";
+ return -EINVAL;
+ }
+
+ /* Enable the debayer route to set fixed internal format on pad #0. */
+ V4L2Subdevice::Routing routing = {};
+ routing.emplace_back(V4L2Subdevice::Stream{ 0, 0 },
+ V4L2Subdevice::Stream{ 1, 0 },
+ V4L2_SUBDEV_ROUTE_FL_ACTIVE);
+
+ int ret = pipe->resizer->setRouting(&routing, V4L2Subdevice::ActiveFormat);
+ if (ret)
+ return ret;
+
+ unsigned int rawCode = subdevFormat.code;
+ subdevFormat.code = kMaliC55ISPInternalFormat;
+ ret = pipe->resizer->setFormat(0, &subdevFormat);
+ if (ret)
+ return ret;
+
+ /* Enable the bypass route and apply RAW formats there. */
+ routing.clear();
+ routing.emplace_back(V4L2Subdevice::Stream{ 2, 0 },
+ V4L2Subdevice::Stream{ 1, 0 },
+ V4L2_SUBDEV_ROUTE_FL_ACTIVE);
+ ret = pipe->resizer->setRouting(&routing, V4L2Subdevice::ActiveFormat);
+ if (ret)
+ return ret;
+
+ subdevFormat.code = rawCode;
+ ret = pipe->resizer->setFormat(2, &subdevFormat);
+ if (ret)
+ return ret;
+
+ ret = pipe->resizer->setFormat(1, &subdevFormat);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+int PipelineHandlerMaliC55::configureProcessedStream(MaliC55CameraData *data,
+ const StreamConfiguration &config,
+ V4L2SubdeviceFormat &subdevFormat)
+{
+ Stream *stream = config.stream();
+ MaliC55Pipe *pipe = pipeFromStream(data, stream);
+
+ /* Enable the debayer route on the resizer pipe. */
+ V4L2Subdevice::Routing routing = {};
+ routing.emplace_back(V4L2Subdevice::Stream{ 0, 0 },
+ V4L2Subdevice::Stream{ 1, 0 },
+ V4L2_SUBDEV_ROUTE_FL_ACTIVE);
+
+ int ret = pipe->resizer->setRouting(&routing, V4L2Subdevice::ActiveFormat);
+ if (ret)
+ return ret;
+
+ subdevFormat.code = kMaliC55ISPInternalFormat;
+ ret = pipe->resizer->setFormat(0, &subdevFormat);
+ if (ret)
+ return ret;
+
+ /* \todo Configure the resizer crop/compose rectangles. */
+ Rectangle ispCrop = { 0, 0, config.size };
+ ret = pipe->resizer->setSelection(0, V4L2_SEL_TGT_CROP, &ispCrop);
+ if (ret)
+ return ret;
+
+ ret = pipe->resizer->setSelection(0, V4L2_SEL_TGT_COMPOSE, &ispCrop);
+ if (ret)
+ return ret;
+
+ subdevFormat.code = maliC55FmtToCode.find(config.pixelFormat)->second;
+ return pipe->resizer->setFormat(1, &subdevFormat);
+}
+
+int PipelineHandlerMaliC55::configure(Camera *camera,
+ CameraConfiguration *config)
+{
+ resetPipes();
+
+ int ret = media_->disableLinks();
+ if (ret)
+ return ret;
+
+ /* Link the graph depending if we are operating the TPG or a sensor. */
+ MaliC55CameraData *data = cameraData(camera);
+ if (data->csi_) {
+ const MediaEntity *csiEntity = data->csi_->entity();
+ ret = csiEntity->getPadByIndex(1)->links()[0]->setEnabled(true);
+ } else {
+ ret = data->entity_->getPadByIndex(0)->links()[0]->setEnabled(true);
+ }
+ if (ret)
+ return ret;
+
+ MaliC55CameraConfiguration *maliConfig =
+ static_cast<MaliC55CameraConfiguration *>(config);
+ V4L2SubdeviceFormat subdevFormat = maliConfig->sensorFormat_;
+ ret = data->sd_->getFormat(0, &subdevFormat);
+ if (ret)
+ return ret;
+
+ if (data->csi_) {
+ ret = data->csi_->setFormat(0, &subdevFormat);
+ if (ret)
+ return ret;
+
+ ret = data->csi_->setFormat(1, &subdevFormat);
+ if (ret)
+ return ret;
+ }
+
+ /*
+ * Propagate the format to the ISP sink pad and configure the input
+ * crop rectangle (no crop at the moment).
+ *
+ * \todo Configure the CSI-2 receiver.
+ */
+ ret = isp_->setFormat(0, &subdevFormat);
+ if (ret)
+ return ret;
+
+ Rectangle ispCrop(0, 0, subdevFormat.size);
+ ret = isp_->setSelection(0, V4L2_SEL_TGT_CROP, &ispCrop);
+ if (ret)
+ return ret;
+
+ /*
+ * Configure the resizer: fixed format the sink pad; use the media
+ * bus code associated with the desired capture format on the source
+ * pad.
+ *
+ * Configure the crop and compose rectangles to match the desired
+ * stream output size
+ *
+ * \todo Make the crop/scaler configurable
+ */
+ for (const StreamConfiguration &streamConfig : *config) {
+ Stream *stream = streamConfig.stream();
+ MaliC55Pipe *pipe = pipeFromStream(data, stream);
+
+ if (isFormatRaw(streamConfig.pixelFormat))
+ ret = configureRawStream(data, streamConfig, subdevFormat);
+ else
+ ret = configureProcessedStream(data, streamConfig, subdevFormat);
+ if (ret) {
+ LOG(MaliC55, Error) << "Failed to configure pipeline";
+ return ret;
+ }
+
+ /* Now apply the pixel format and size to the capture device. */
+ V4L2DeviceFormat captureFormat;
+ captureFormat.fourcc = pipe->cap->toV4L2PixelFormat(streamConfig.pixelFormat);
+ captureFormat.size = streamConfig.size;
+
+ ret = pipe->cap->setFormat(&captureFormat);
+ if (ret)
+ return ret;
+
+ pipe->stream = stream;
+ }
+
+ return 0;
+}
+
+int PipelineHandlerMaliC55::exportFrameBuffers(Camera *camera, Stream *stream,
+ std::vector<std::unique_ptr<FrameBuffer>> *buffers)
+{
+ MaliC55Pipe *pipe = pipeFromStream(cameraData(camera), stream);
+ unsigned int count = stream->configuration().bufferCount;
+
+ return pipe->cap->exportBuffers(count, buffers);
+}
+
+int PipelineHandlerMaliC55::start([[maybe_unused]] Camera *camera, [[maybe_unused]] const ControlList *controls)
+{
+ for (MaliC55Pipe &pipe : pipes_) {
+ if (!pipe.stream)
+ continue;
+
+ Stream *stream = pipe.stream;
+
+ int ret = pipe.cap->importBuffers(stream->configuration().bufferCount);
+ if (ret) {
+ LOG(MaliC55, Error) << "Failed to import buffers";
+ return ret;
+ }
+
+ ret = pipe.cap->streamOn();
+ if (ret) {
+ LOG(MaliC55, Error) << "Failed to start stream";
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+void PipelineHandlerMaliC55::stopDevice([[maybe_unused]] Camera *camera)
+{
+ for (MaliC55Pipe &pipe : pipes_) {
+ if (!pipe.stream)
+ continue;
+
+ pipe.cap->streamOff();
+ pipe.cap->releaseBuffers();
+ }
+}
+
+int PipelineHandlerMaliC55::queueRequestDevice(Camera *camera, Request *request)
+{
+ int ret;
+
+ for (auto &[stream, buffer] : request->buffers()) {
+ MaliC55Pipe *pipe = pipeFromStream(cameraData(camera), stream);
+
+ ret = pipe->cap->queueBuffer(buffer);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+void PipelineHandlerMaliC55::bufferReady(FrameBuffer *buffer)
+{
+ Request *request = buffer->request();
+
+ completeBuffer(request, buffer);
+
+ if (request->hasPendingBuffers())
+ return;
+
+ completeRequest(request);
+}
+
+void PipelineHandlerMaliC55::registerMaliCamera(std::unique_ptr<MaliC55CameraData> data,
+ const std::string &name)
+{
+ std::set<Stream *> streams{ &data->frStream_ };
+ if (dsFitted_)
+ streams.insert(&data->dsStream_);
+
+ std::shared_ptr<Camera> camera = Camera::create(std::move(data),
+ name, streams);
+ registerCamera(std::move(camera));
+}
+
+/*
+ * The only camera we support through direct connection to the ISP is the
+ * Mali-C55 TPG. Check we have that and warn if not.
+ */
+bool PipelineHandlerMaliC55::registerTPGCamera(MediaLink *link)
+{
+ const std::string &name = link->source()->entity()->name();
+ if (name != "mali-c55 tpg") {
+ LOG(MaliC55, Warning) << "Unsupported direct connection to "
+ << link->source()->entity()->name();
+ /*
+ * Return true and just skip registering a camera for this
+ * entity.
+ */
+ return true;
+ }
+
+ std::unique_ptr<MaliC55CameraData> data =
+ std::make_unique<MaliC55CameraData>(this, link->source()->entity());
+
+ if (data->init())
+ return false;
+
+ registerMaliCamera(std::move(data), name);
+
+ return true;
+}
+
+/*
+ * Register a Camera for each sensor connected to the ISP through a CSI-2
+ * receiver.
+ *
+ * \todo Support more complex topologies, such as video muxes.
+ */
+bool PipelineHandlerMaliC55::registerSensorCamera(MediaLink *ispLink)
+{
+ MediaEntity *csi2 = ispLink->source()->entity();
+ const MediaPad *csi2Sink = csi2->getPadByIndex(0);
+
+ for (MediaLink *link : csi2Sink->links()) {
+ MediaEntity *sensor = link->source()->entity();
+ unsigned int function = sensor->function();
+
+ if (function != MEDIA_ENT_F_CAM_SENSOR)
+ continue;
+
+ std::unique_ptr<MaliC55CameraData> data =
+ std::make_unique<MaliC55CameraData>(this, sensor);
+ if (data->init())
+ return false;
+
+ /* \todo: Init properties and controls. */
+
+ registerMaliCamera(std::move(data), sensor->name());
+ }
+
+ return true;
+}
+
+bool PipelineHandlerMaliC55::match(DeviceEnumerator *enumerator)
+{
+ const MediaPad *ispSink;
+
+ /*
+ * We search for just the ISP subdevice and the full resolution pipe.
+ * The TPG and the downscale pipe are both optional blocks and may not
+ * be fitted.
+ */
+ DeviceMatch dm("mali-c55");
+ dm.add("mali-c55 isp");
+ dm.add("mali-c55 resizer fr");
+ dm.add("mali-c55 fr");
+
+ media_ = acquireMediaDevice(enumerator, dm);
+ if (!media_)
+ return false;
+
+ isp_ = V4L2Subdevice::fromEntityName(media_, "mali-c55 isp");
+ if (isp_->open() < 0)
+ return false;
+
+ MaliC55Pipe *frPipe = &pipes_[MaliC55FR];
+ frPipe->resizer = V4L2Subdevice::fromEntityName(media_, "mali-c55 resizer fr");
+ if (frPipe->resizer->open() < 0)
+ return false;
+
+ frPipe->cap = V4L2VideoDevice::fromEntityName(media_, "mali-c55 fr");
+ if (frPipe->cap->open() < 0)
+ return false;
+
+ frPipe->cap->bufferReady.connect(this, &PipelineHandlerMaliC55::bufferReady);
+
+ dsFitted_ = !!media_->getEntityByName("mali-c55 ds");
+ if (dsFitted_) {
+ LOG(MaliC55, Debug) << "Downscaler pipe is fitted";
+
+ MaliC55Pipe *dsPipe = &pipes_[MaliC55DS];
+
+ dsPipe->resizer = V4L2Subdevice::fromEntityName(media_, "mali-c55 resizer ds");
+ if (dsPipe->resizer->open() < 0)
+ return false;
+
+ dsPipe->cap = V4L2VideoDevice::fromEntityName(media_, "mali-c55 ds");
+ if (dsPipe->cap->open() < 0)
+ return false;
+
+ dsPipe->cap->bufferReady.connect(this, &PipelineHandlerMaliC55::bufferReady);
+ }
+
+ ispSink = isp_->entity()->getPadByIndex(0);
+ if (!ispSink || ispSink->links().empty()) {
+ LOG(MaliC55, Error) << "ISP sink pad error";
+ return false;
+ }
+
+ /*
+ * We could have several links pointing to the ISP's sink pad, which
+ * will be from entities with one of the following functions:
+ *
+ * MEDIA_ENT_F_CAM_SENSOR - The test pattern generator
+ * MEDIA_ENT_F_VID_IF_BRIDGE - A CSI-2 receiver
+ * MEDIA_ENT_F_IO_V4L - An input device
+ *
+ * The last one will be unsupported for now. The TPG is relatively easy,
+ * we just register a Camera for it. If we have a CSI-2 receiver we need
+ * to check its sink pad and register Cameras for anything connected to
+ * it (probably...there are some complex situations in which that might
+ * not be true but let's pretend they don't exist until we come across
+ * them)
+ */
+ bool registered;
+ for (MediaLink *link : ispSink->links()) {
+ unsigned int function = link->source()->entity()->function();
+
+ switch (function) {
+ case MEDIA_ENT_F_CAM_SENSOR:
+ registered = registerTPGCamera(link);
+ if (!registered)
+ return registered;
+
+ break;
+ case MEDIA_ENT_F_VID_IF_BRIDGE:
+ registered = registerSensorCamera(link);
+ if (!registered)
+ return registered;
+
+ break;
+ case MEDIA_ENT_F_IO_V4L:
+ LOG(MaliC55, Warning) << "Memory input not yet supported";
+ break;
+ default:
+ LOG(MaliC55, Error) << "Unsupported entity function";
+ return false;
+ }
+ }
+
+ return true;
+}
+
+REGISTER_PIPELINE_HANDLER(PipelineHandlerMaliC55)
+
+} /* namespace libcamera */
diff --git a/src/libcamera/pipeline/mali-c55/meson.build b/src/libcamera/pipeline/mali-c55/meson.build
new file mode 100644
index 00000000..30fd29b9
--- /dev/null
+++ b/src/libcamera/pipeline/mali-c55/meson.build
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: CC0-1.0
+
+libcamera_sources += files([
+ 'mali-c55.cpp'
+])
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 09:28:29 +0000