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-rw-r--r--src/ipa/ipu3/ipu3.cpp242
-rw-r--r--src/ipa/ipu3/meson.build21
-rw-r--r--src/ipa/meson.build2
3 files changed, 264 insertions, 1 deletions
diff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp
new file mode 100644
index 00000000..b11b03ef
--- /dev/null
+++ b/src/ipa/ipu3/ipu3.cpp
@@ -0,0 +1,242 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2020, Google Inc.
+ *
+ * ipu3.cpp - IPU3 Image Processing Algorithms
+ */
+
+#include <libcamera/ipa/ipu3.h>
+
+#include <stdint.h>
+#include <sys/mman.h>
+
+#include <linux/intel-ipu3.h>
+#include <linux/v4l2-controls.h>
+
+#include <libcamera/buffer.h>
+#include <libcamera/control_ids.h>
+#include <libcamera/ipa/ipa_interface.h>
+#include <libcamera/ipa/ipa_module_info.h>
+#include <libcamera/request.h>
+
+#include <libipa/ipa_interface_wrapper.h>
+
+#include "libcamera/internal/buffer.h"
+#include "libcamera/internal/log.h"
+
+namespace libcamera {
+
+LOG_DEFINE_CATEGORY(IPAIPU3)
+
+class IPAIPU3 : public IPAInterface
+{
+public:
+ int init([[maybe_unused]] const IPASettings &settings) override
+ {
+ return 0;
+ }
+ int start([[maybe_unused]] const IPAOperationData &data,
+ [[maybe_unused]] IPAOperationData *result) override { return 0; }
+ void stop() override {}
+
+ void configure(const CameraSensorInfo &info,
+ const std::map<unsigned int, IPAStream> &streamConfig,
+ const std::map<unsigned int, const ControlInfoMap &> &entityControls,
+ const IPAOperationData &ipaConfig,
+ IPAOperationData *response) override;
+ void mapBuffers(const std::vector<IPABuffer> &buffers) override;
+ void unmapBuffers(const std::vector<unsigned int> &ids) override;
+ void processEvent(const IPAOperationData &event) override;
+
+private:
+ void processControls(unsigned int frame, const ControlList &controls);
+ void fillParams(unsigned int frame, ipu3_uapi_params *params);
+ void parseStatistics(unsigned int frame,
+ const ipu3_uapi_stats_3a *stats);
+
+ void setControls(unsigned int frame);
+
+ std::map<unsigned int, MappedFrameBuffer> buffers_;
+
+ ControlInfoMap ctrls_;
+
+ /* Camera sensor controls. */
+ uint32_t exposure_;
+ uint32_t minExposure_;
+ uint32_t maxExposure_;
+ uint32_t gain_;
+ uint32_t minGain_;
+ uint32_t maxGain_;
+};
+
+void IPAIPU3::configure([[maybe_unused]] const CameraSensorInfo &info,
+ [[maybe_unused]] const std::map<unsigned int, IPAStream> &streamConfig,
+ const std::map<unsigned int, const ControlInfoMap &> &entityControls,
+ [[maybe_unused]] const IPAOperationData &ipaConfig,
+ [[maybe_unused]] IPAOperationData *result)
+{
+ if (entityControls.empty())
+ return;
+
+ ctrls_ = entityControls.at(0);
+
+ const auto itExp = ctrls_.find(V4L2_CID_EXPOSURE);
+ if (itExp == ctrls_.end()) {
+ LOG(IPAIPU3, Error) << "Can't find exposure control";
+ return;
+ }
+
+ const auto itGain = ctrls_.find(V4L2_CID_ANALOGUE_GAIN);
+ if (itGain == ctrls_.end()) {
+ LOG(IPAIPU3, Error) << "Can't find gain control";
+ return;
+ }
+
+ minExposure_ = std::max(itExp->second.min().get<int32_t>(), 1);
+ maxExposure_ = itExp->second.max().get<int32_t>();
+ exposure_ = maxExposure_;
+
+ minGain_ = std::max(itGain->second.min().get<int32_t>(), 1);
+ maxGain_ = itGain->second.max().get<int32_t>();
+ gain_ = maxGain_;
+
+ setControls(0);
+}
+
+void IPAIPU3::mapBuffers(const std::vector<IPABuffer> &buffers)
+{
+ for (const IPABuffer &buffer : buffers) {
+ const FrameBuffer fb(buffer.planes);
+ buffers_.emplace(buffer.id,
+ MappedFrameBuffer(&fb, PROT_READ | PROT_WRITE));
+ }
+}
+
+void IPAIPU3::unmapBuffers(const std::vector<unsigned int> &ids)
+{
+ for (unsigned int id : ids) {
+ auto it = buffers_.find(id);
+ if (it == buffers_.end())
+ continue;
+
+ buffers_.erase(it);
+ }
+}
+
+void IPAIPU3::processEvent(const IPAOperationData &event)
+{
+ switch (event.operation) {
+ case IPU3_IPA_EVENT_PROCESS_CONTROLS: {
+ unsigned int frame = event.data[0];
+ processControls(frame, event.controls[0]);
+ break;
+ }
+ case IPU3_IPA_EVENT_STAT_READY: {
+ unsigned int frame = event.data[0];
+ unsigned int bufferId = event.data[1];
+
+ auto it = buffers_.find(bufferId);
+ if (it == buffers_.end()) {
+ LOG(IPAIPU3, Error) << "Could not find stats buffer!";
+ return;
+ }
+
+ Span<uint8_t> mem = it->second.maps()[0];
+ const ipu3_uapi_stats_3a *stats =
+ reinterpret_cast<ipu3_uapi_stats_3a *>(mem.data());
+
+ parseStatistics(frame, stats);
+ break;
+ }
+ case IPU3_IPA_EVENT_FILL_PARAMS: {
+ unsigned int frame = event.data[0];
+ unsigned int bufferId = event.data[1];
+
+ auto it = buffers_.find(bufferId);
+ if (it == buffers_.end()) {
+ LOG(IPAIPU3, Error) << "Could not find param buffer!";
+ return;
+ }
+
+ Span<uint8_t> mem = it->second.maps()[0];
+ ipu3_uapi_params *params =
+ reinterpret_cast<ipu3_uapi_params *>(mem.data());
+
+ fillParams(frame, params);
+ break;
+ }
+ default:
+ LOG(IPAIPU3, Error) << "Unknown event " << event.operation;
+ break;
+ }
+}
+
+void IPAIPU3::processControls([[maybe_unused]] unsigned int frame,
+ [[maybe_unused]] const ControlList &controls)
+{
+ /* \todo Start processing for 'frame' based on 'controls'. */
+}
+
+void IPAIPU3::fillParams(unsigned int frame, ipu3_uapi_params *params)
+{
+ /* Prepare parameters buffer. */
+ memset(params, 0, sizeof(*params));
+
+ /* \todo Fill in parameters buffer. */
+
+ IPAOperationData op;
+ op.operation = IPU3_IPA_ACTION_PARAM_FILLED;
+
+ queueFrameAction.emit(frame, op);
+
+ /* \todo Calculate new values for exposure_ and gain_. */
+ setControls(frame);
+}
+
+void IPAIPU3::parseStatistics(unsigned int frame,
+ [[maybe_unused]] const ipu3_uapi_stats_3a *stats)
+{
+ ControlList ctrls(controls::controls);
+
+ /* \todo React to statistics and update internal state machine. */
+ /* \todo Add meta-data information to ctrls. */
+
+ IPAOperationData op;
+ op.operation = IPU3_IPA_ACTION_METADATA_READY;
+ op.controls.push_back(ctrls);
+
+ queueFrameAction.emit(frame, op);
+}
+
+void IPAIPU3::setControls(unsigned int frame)
+{
+ IPAOperationData op;
+ op.operation = IPU3_IPA_ACTION_SET_SENSOR_CONTROLS;
+
+ ControlList ctrls(ctrls_);
+ ctrls.set(V4L2_CID_EXPOSURE, static_cast<int32_t>(exposure_));
+ ctrls.set(V4L2_CID_ANALOGUE_GAIN, static_cast<int32_t>(gain_));
+ op.controls.push_back(ctrls);
+
+ queueFrameAction.emit(frame, op);
+}
+
+/*
+ * External IPA module interface
+ */
+
+extern "C" {
+const struct IPAModuleInfo ipaModuleInfo = {
+ IPA_MODULE_API_VERSION,
+ 1,
+ "PipelineHandlerIPU3",
+ "ipu3",
+};
+
+struct ipa_context *ipaCreate()
+{
+ return new IPAInterfaceWrapper(std::make_unique<IPAIPU3>());
+}
+}
+
+} /* namespace libcamera */
diff --git a/src/ipa/ipu3/meson.build b/src/ipa/ipu3/meson.build
new file mode 100644
index 00000000..444c8245
--- /dev/null
+++ b/src/ipa/ipu3/meson.build
@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: CC0-1.0
+
+ipa_name = 'ipa_ipu3'
+
+mod = shared_module(ipa_name,
+ 'ipu3.cpp',
+ name_prefix : '',
+ include_directories : [ ipa_includes, libipa_includes ],
+ dependencies : [ libatomic, libcamera_dep ],
+ link_with : libipa,
+ install : true,
+ install_dir : ipa_install_dir)
+
+if ipa_sign_module
+ custom_target(ipa_name + '.so.sign',
+ input : mod,
+ output : ipa_name + '.so.sign',
+ command : [ ipa_sign, ipa_priv_key, '@INPUT@', '@OUTPUT@' ],
+ install : false,
+ build_by_default : true)
+endif
diff --git a/src/ipa/meson.build b/src/ipa/meson.build
index 5a5de267..9d623f22 100644
--- a/src/ipa/meson.build
+++ b/src/ipa/meson.build
@@ -19,7 +19,7 @@ subdir('libipa')
ipa_sign = files('ipa-sign.sh')
-ipas = ['raspberrypi', 'rkisp1', 'vimc']
+ipas = ['ipu3', 'raspberrypi', 'rkisp1', 'vimc']
ipa_names = []
foreach pipeline : get_option('pipelines')
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-02 20:00:41 +0000