[v2,6/7] camss: Add camss_params.h
diff mbox series

Message ID 20260721145958.68489-7-johannes.goede@oss.qualcomm.com
State New
Headers show
Series
  • camss: Add CAMSS pipeline handler
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Commit Message

Hans de Goede July 21, 2026, 2:59 p.m. UTC 
Add header file definging the V4L2Params derived CamssParams class
for OPE extensible ISP parameters support.

Signed-off-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
---
 src/libcamera/pipeline/camss/camss_params.h | 67 +++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/libcamera/pipeline/camss/camss_params.h

Patch
diff mbox series 

diff --git a/src/libcamera/pipeline/camss/camss_params.h b/src/libcamera/pipeline/camss/camss_params.h
new file mode 100644
index 000000000..6dec85fbc
--- /dev/null
+++ b/src/libcamera/pipeline/camss/camss_params.h
@@ -0,0 +1,67 @@ 
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Qualcomm CAMSS ISP Parameters
+ *
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#pragma once
+
+#include <linux/camss-config.h>
+#include <linux/videodev2.h>
+
+/*
+ * FIXME must be moved to a to-be-written camss IPA and then this should be:
+ * #include <libipa/v4l2_params.h>
+ */
+#include "../../../ipa/libipa/v4l2_params.h"
+
+namespace libcamera {
+
+namespace ipa::camss {
+
+enum class CamssBlocks {
+	AwbGains,
+	ChromaEnh,
+	ColorCorrect,
+};
+
+namespace details {
+
+template<CamssBlocks B>
+struct block_type {
+};
+
+#define CAMSS_DEFINE_BLOCK_TYPE(id, cfgType, blkType)                    \
+	template<>                                                       \
+	struct block_type<CamssBlocks::id> {                             \
+		using type = struct camss_params_##cfgType;              \
+		static constexpr camss_params_block_type blockType =     \
+			camss_params_block_type::CAMSS_PARAMS_##blkType; \
+	}
+
+CAMSS_DEFINE_BLOCK_TYPE(AwbGains, wb_gain, WB_GAIN);
+CAMSS_DEFINE_BLOCK_TYPE(ChromaEnh, chroma_enhan, CHROMA_ENHAN);
+CAMSS_DEFINE_BLOCK_TYPE(ColorCorrect, color_correct, COLOR_CORRECT);
+
+struct param_traits {
+	using id_type = CamssBlocks;
+
+	template<id_type Id>
+	using id_to_details = block_type<Id>;
+};
+
+} /* namespace details */
+
+class CamssParams : public V4L2Params<details::param_traits>
+{
+public:
+	CamssParams(Span<uint8_t> data)
+		: V4L2Params(data, V4L2_ISP_PARAMS_VERSION_V1)
+	{
+	}
+};
+
+} /* namespace ipa::camss */
+
+} /* namespace libcamera */