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-rw-r--r--include/libcamera/ipa/ipu3.mojom5
-rw-r--r--src/ipa/ipu3/ipu3.cpp72
-rw-r--r--src/libcamera/pipeline/ipu3/ipu3.cpp95
3 files changed, 114 insertions, 58 deletions
diff --git a/include/libcamera/ipa/ipu3.mojom b/include/libcamera/ipa/ipu3.mojom
index 911a3a07..d561c224 100644
--- a/include/libcamera/ipa/ipu3.mojom
+++ b/include/libcamera/ipa/ipu3.mojom
@@ -38,7 +38,10 @@ struct IPAConfigInfo {
};
interface IPAIPU3Interface {
- init(libcamera.IPASettings settings) => (int32 ret);
+ init(libcamera.IPASettings settings,
+ libcamera.IPACameraSensorInfo sensorInfo,
+ libcamera.ControlInfoMap sensorControls)
+ => (int32 ret, libcamera.ControlInfoMap ipaControls);
start() => (int32 ret);
stop();
diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp
index c903f751..36a06966 100644
--- a/src/ipa/ipu3/ipu3.cpp
+++ b/src/ipa/ipu3/ipu3.cpp
@@ -5,7 +5,9 @@
* ipu3.cpp - IPU3 Image Processing Algorithms
*/
+#include <array>
#include <stdint.h>
+#include <utility>
#include <linux/intel-ipu3.h>
#include <linux/v4l2-controls.h>
@@ -37,7 +39,11 @@ namespace ipa::ipu3 {
class IPAIPU3 : public IPAIPU3Interface
{
public:
- int init(const IPASettings &settings) override;
+ int init(const IPASettings &settings,
+ const IPACameraSensorInfo &sensorInfo,
+ const ControlInfoMap &sensorControls,
+ ControlInfoMap *ipaControls) override;
+
int start() override;
void stop() override {}
@@ -85,14 +91,74 @@ private:
struct ipu3_uapi_grid_config bdsGrid_;
};
-int IPAIPU3::init(const IPASettings &settings)
+/**
+ * Initialize the IPA module and its controls.
+ *
+ * This function receives the camera sensor information from the pipeline
+ * handler, computes the limits of the controls it handles and returns
+ * them in the \a ipaControls output parameter.
+ */
+int IPAIPU3::init(const IPASettings &settings,
+ const IPACameraSensorInfo &sensorInfo,
+ const ControlInfoMap &sensorControls,
+ ControlInfoMap *ipaControls)
{
camHelper_ = CameraSensorHelperFactory::create(settings.sensorModel);
if (camHelper_ == nullptr) {
- LOG(IPAIPU3, Error) << "Failed to create camera sensor helper for " << settings.sensorModel;
+ LOG(IPAIPU3, Error)
+ << "Failed to create camera sensor helper for "
+ << settings.sensorModel;
return -ENODEV;
}
+ /* Initialize Controls. */
+ ControlInfoMap::Map controls{};
+
+ /*
+ * Compute exposure time limits.
+ *
+ * Initialize the control using the line length and pixel rate of the
+ * current configuration converted to microseconds. Use the
+ * V4L2_CID_EXPOSURE control to get exposure min, max and default and
+ * convert it from lines to microseconds.
+ */
+ double lineDuration = sensorInfo.lineLength / (sensorInfo.pixelRate / 1e6);
+ const ControlInfo &v4l2Exposure = sensorControls.find(V4L2_CID_EXPOSURE)->second;
+ int32_t minExposure = v4l2Exposure.min().get<int32_t>() * lineDuration;
+ int32_t maxExposure = v4l2Exposure.max().get<int32_t>() * lineDuration;
+ int32_t defExposure = v4l2Exposure.def().get<int32_t>() * lineDuration;
+ controls[&controls::ExposureTime] = ControlInfo(minExposure, maxExposure,
+ defExposure);
+
+ /*
+ * Compute the frame duration limits.
+ *
+ * The frame length is computed assuming a fixed line length combined
+ * with the vertical frame sizes.
+ */
+ const ControlInfo &v4l2HBlank = sensorControls.find(V4L2_CID_HBLANK)->second;
+ uint32_t hblank = v4l2HBlank.def().get<int32_t>();
+ uint32_t lineLength = sensorInfo.outputSize.width + hblank;
+
+ const ControlInfo &v4l2VBlank = sensorControls.find(V4L2_CID_VBLANK)->second;
+ std::array<uint32_t, 3> frameHeights{
+ v4l2VBlank.min().get<int32_t>() + sensorInfo.outputSize.height,
+ v4l2VBlank.max().get<int32_t>() + sensorInfo.outputSize.height,
+ v4l2VBlank.def().get<int32_t>() + sensorInfo.outputSize.height,
+ };
+
+ std::array<int64_t, 3> frameDurations;
+ for (unsigned int i = 0; i < frameHeights.size(); ++i) {
+ uint64_t frameSize = lineLength * frameHeights[i];
+ frameDurations[i] = frameSize / (sensorInfo.pixelRate / 1000000U);
+ }
+
+ controls[&controls::FrameDurationLimits] = ControlInfo(frameDurations[0],
+ frameDurations[1],
+ frameDurations[2]);
+
+ *ipaControls = ControlInfoMap(std::move(controls), controls::controls);
+
return 0;
}
diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
index 9c23788e..6e26a7b7 100644
--- a/src/libcamera/pipeline/ipu3/ipu3.cpp
+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
@@ -88,6 +88,8 @@ public:
std::queue<Request *> pendingRequests_;
+ ControlInfoMap ipaControls_;
+
private:
void queueFrameAction(unsigned int id,
const ipa::ipu3::IPU3Action &action);
@@ -954,7 +956,6 @@ int PipelineHandlerIPU3::initControls(IPU3CameraData *data)
return ret;
ControlInfoMap::Map controls = IPU3Controls;
- const ControlInfoMap &sensorControls = sensor->controls();
const std::vector<int32_t> &testPatternModes = sensor->testPatternModes();
if (!testPatternModes.empty()) {
std::vector<ControlValue> values;
@@ -967,58 +968,6 @@ int PipelineHandlerIPU3::initControls(IPU3CameraData *data)
}
/*
- * Compute exposure time limits.
- *
- * Initialize the control using the line length and pixel rate of the
- * current configuration converted to microseconds. Use the
- * V4L2_CID_EXPOSURE control to get exposure min, max and default and
- * convert it from lines to microseconds.
- */
- double lineDuration = sensorInfo.lineLength
- / (sensorInfo.pixelRate / 1e6);
- const ControlInfo &v4l2Exposure = sensorControls.find(V4L2_CID_EXPOSURE)->second;
- int32_t minExposure = v4l2Exposure.min().get<int32_t>() * lineDuration;
- int32_t maxExposure = v4l2Exposure.max().get<int32_t>() * lineDuration;
- int32_t defExposure = v4l2Exposure.def().get<int32_t>() * lineDuration;
-
- /*
- * \todo Report the actual exposure time, use the default for the
- * moment.
- */
- data->exposureTime_ = defExposure;
-
- controls[&controls::ExposureTime] = ControlInfo(minExposure, maxExposure,
- defExposure);
-
- /*
- * Compute the frame duration limits.
- *
- * The frame length is computed assuming a fixed line length combined
- * with the vertical frame sizes.
- */
- const ControlInfo &v4l2HBlank = sensorControls.find(V4L2_CID_HBLANK)->second;
- uint32_t hblank = v4l2HBlank.def().get<int32_t>();
- uint32_t lineLength = sensorInfo.outputSize.width + hblank;
-
- const ControlInfo &v4l2VBlank = sensorControls.find(V4L2_CID_VBLANK)->second;
- std::array<uint32_t, 3> frameHeights{
- v4l2VBlank.min().get<int32_t>() + sensorInfo.outputSize.height,
- v4l2VBlank.max().get<int32_t>() + sensorInfo.outputSize.height,
- v4l2VBlank.def().get<int32_t>() + sensorInfo.outputSize.height,
- };
-
- std::array<int64_t, 3> frameDurations;
- for (unsigned int i = 0; i < frameHeights.size(); ++i) {
- uint64_t frameSize = lineLength * frameHeights[i];
- frameDurations[i] = frameSize / (sensorInfo.pixelRate / 1000000U);
- }
-
- controls[&controls::FrameDurationLimits] =
- ControlInfo(frameDurations[0],
- frameDurations[1],
- frameDurations[2]);
-
- /*
* Compute the scaler crop limits.
*
* Initialize the control use the 'Viewfinder' configuration (1280x720)
@@ -1071,6 +1020,21 @@ int PipelineHandlerIPU3::initControls(IPU3CameraData *data)
controls[&controls::ScalerCrop] = ControlInfo(minCrop, maxCrop, maxCrop);
+ /*
+ * \todo Report the actual exposure time, use the default for the
+ * moment.
+ */
+ const auto exposureInfo = data->ipaControls_.find(&controls::ExposureTime);
+ if (exposureInfo == data->ipaControls_.end()) {
+ LOG(IPU3, Error) << "Exposure control not initialized by the IPA";
+ return -EINVAL;
+ }
+ data->exposureTime_ = exposureInfo->second.def().get<int32_t>();
+
+ /* Add the IPA registered controls to list of camera controls. */
+ for (const auto &ipaControl : data->ipaControls_)
+ controls[ipaControl.first] = ipaControl.second;
+
data->controlInfo_ = ControlInfoMap(std::move(controls),
controls::controls);
@@ -1223,8 +1187,31 @@ int IPU3CameraData::loadIPA()
ipa_->queueFrameAction.connect(this, &IPU3CameraData::queueFrameAction);
+ /*
+ * Pass the sensor info to the IPA to initialize controls.
+ *
+ * \todo Find a way to initialize IPA controls without basing their
+ * limits on a particular sensor mode. We currently pass sensor
+ * information corresponding to the largest sensor resolution, and the
+ * IPA uses this to compute limits for supported controls. There's a
+ * discrepancy between the need to compute IPA control limits at init
+ * time, and the fact that those limits may depend on the sensor mode.
+ * Research is required to find out to handle this issue.
+ */
CameraSensor *sensor = cio2_.sensor();
- int ret = ipa_->init(IPASettings{ "", sensor->model() });
+ V4L2SubdeviceFormat sensorFormat = {};
+ sensorFormat.size = sensor->resolution();
+ int ret = sensor->setFormat(&sensorFormat);
+ if (ret)
+ return ret;
+
+ IPACameraSensorInfo sensorInfo{};
+ ret = sensor->sensorInfo(&sensorInfo);
+ if (ret)
+ return ret;
+
+ ret = ipa_->init(IPASettings{ "", sensor->model() }, sensorInfo,
+ sensor->controls(), &ipaControls_);
if (ret) {
LOG(IPU3, Error) << "Failed to initialise the IPU3 IPA";
return ret;
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-19 08:22:40 +0000