new file mode 100644
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2026, Ideas On Board
+ *
+ * RkISP2 control algorithm interface
+ */
+
+#pragma once
+
+#include <linux/rkisp2-config.h>
+
+#include <libipa/algorithm.h>
+
+#include "module.h"
+
+namespace libcamera {
+
+namespace ipa::rkisp2 {
+
+class Algorithm : public libcamera::ipa::Algorithm<Module>
+{
+};
+
+union rkisp2_params_block {
+ const struct v4l2_isp_params_block_header *header;
+ const struct rkisp2_params_bls *bls;
+ const struct rkisp2_params_awb_gains *awb_gains;
+ const struct rkisp2_params_csm *csm;
+ const struct rkisp2_params_ccm *ccm;
+ const struct rkisp2_params_goc *goc;
+ const struct rkisp2_params_lsc *lsc;
+ const struct rkisp2_params_ae_lite *ae_lite;
+ const struct rkisp2_params_hist_lite *hist_lite;
+ const struct rkisp2_params_hist_big *hist_big;
+ const struct rkisp2_params_awb_meas *awb_meas;
+ const __u8 *data;
+};
+
+} /* namespace ipa::rkisp2 */
+
+} /* namespace libcamera */
+
new file mode 100644
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2026, Ideas On Board
+ *
+ * RkISP2 ISP Parameters
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+#include <linux/rkisp2-config.h>
+#include <linux/videodev2.h>
+
+#include <libipa/v4l2_params.h>
+
+namespace libcamera {
+
+namespace ipa::rkisp2 {
+
+enum class RkISP2Blocks : uint16_t {
+ Bls,
+ AwbGains,
+ Csm,
+ Ccm,
+ Goc,
+ Lsc,
+ AeLite,
+ HistLite,
+ HistBig0,
+ HistBig1,
+ HistBig2,
+ AwbMeas,
+};
+
+namespace details {
+
+template<RkISP2Blocks B>
+struct block_type {
+};
+
+#define RKISP2_DEFINE_BLOCK_TYPE(id, cfgType, blkType) \
+template<> \
+struct block_type<RkISP2Blocks::id> { \
+ using type = struct rkisp2_params_##cfgType; \
+ static constexpr rkisp2_params_block_type blockType = \
+ rkisp2_params_block_type::RKISP2_PARAMS_##blkType; \
+}
+
+RKISP2_DEFINE_BLOCK_TYPE(Bls, bls, BLOCK_BLS);
+RKISP2_DEFINE_BLOCK_TYPE(AwbGains, awb_gains, BLOCK_AWB_GAINS);
+RKISP2_DEFINE_BLOCK_TYPE(Csm, csm, BLOCK_CSM);
+RKISP2_DEFINE_BLOCK_TYPE(Ccm, ccm, BLOCK_CCM);
+RKISP2_DEFINE_BLOCK_TYPE(Goc, goc, BLOCK_GOC);
+RKISP2_DEFINE_BLOCK_TYPE(Lsc, lsc, BLOCK_LSC);
+RKISP2_DEFINE_BLOCK_TYPE(AeLite, ae_lite, BLOCK_AE_LITE);
+RKISP2_DEFINE_BLOCK_TYPE(HistLite, hist_lite, BLOCK_HIST_LITE);
+RKISP2_DEFINE_BLOCK_TYPE(HistBig0, hist_big, BLOCK_HIST_BIG0);
+RKISP2_DEFINE_BLOCK_TYPE(HistBig1, hist_big, BLOCK_HIST_BIG1);
+RKISP2_DEFINE_BLOCK_TYPE(HistBig2, hist_big, BLOCK_HIST_BIG2);
+RKISP2_DEFINE_BLOCK_TYPE(AwbMeas, awb_meas, BLOCK_AWB_MEAS);
+
+struct param_traits {
+ using id_type = RkISP2Blocks;
+
+ template<id_type Id>
+ using id_to_details = block_type<Id>;
+};
+
+} /* namespace details */
+
+class RkISP2Params : public V4L2Params<details::param_traits>
+{
+public:
+ RkISP2Params(Span<uint8_t> data)
+ : V4L2Params(data, V4L2_ISP_PARAMS_VERSION_V1)
+ {
+ }
+};
+
+} /* namespace ipa::rkisp2 */
+
+} /* namespace libcamera */
Add the libipa wrapper for extensible parameters for the rkisp2. This wraps the extensible parameters in the rkisp2 uapi to make them easier to use within libcamera. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> --- This is in a separate patch to reduce the size of the other patches to make them easier to review. --- src/ipa/rkisp2/algorithms/algorithm.h | 42 ++++++++++++++ src/ipa/rkisp2/params.h | 83 +++++++++++++++++++++++++++ 2 files changed, 125 insertions(+) create mode 100644 src/ipa/rkisp2/algorithms/algorithm.h create mode 100644 src/ipa/rkisp2/params.h