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path: root/users/flokli/ipu6-softisp/libcamera/0011-libcamera-ipa-add-Soft-IPA-common-files.patch
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From 05b353f1e45f2af0d0989261210b4bedef5144de Mon Sep 17 00:00:00 2001
From: Andrey Konovalov <andrey.konovalov@linaro.org>
Date: Mon, 11 Dec 2023 23:41:58 +0300
Subject: [PATCH 11/25] libcamera: ipa: add Soft IPA common files

Define the Soft IPA main and event interfaces, add IPASoftBase
class the Soft IPA implementation inherit from.

Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # sc8280xp Lenovo x13s
Tested-by: Pavel Machek <pavel@ucw.cz>
---
 Documentation/Doxyfile.in           |  1 +
 include/libcamera/ipa/meson.build   |  1 +
 include/libcamera/ipa/soft.mojom    | 29 ++++++++++++
 src/ipa/simple/common/meson.build   | 17 +++++++
 src/ipa/simple/common/soft_base.cpp | 73 +++++++++++++++++++++++++++++
 src/ipa/simple/common/soft_base.h   | 50 ++++++++++++++++++++
 src/ipa/simple/meson.build          |  3 ++
 7 files changed, 174 insertions(+)
 create mode 100644 include/libcamera/ipa/soft.mojom
 create mode 100644 src/ipa/simple/common/meson.build
 create mode 100644 src/ipa/simple/common/soft_base.cpp
 create mode 100644 src/ipa/simple/common/soft_base.h
 create mode 100644 src/ipa/simple/meson.build

diff --git a/Documentation/Doxyfile.in b/Documentation/Doxyfile.in
index a86ea6c1..2be8d47b 100644
--- a/Documentation/Doxyfile.in
+++ b/Documentation/Doxyfile.in
@@ -44,6 +44,7 @@ EXCLUDE                = @TOP_SRCDIR@/include/libcamera/base/span.h \
                          @TOP_SRCDIR@/src/libcamera/pipeline/ \
                          @TOP_SRCDIR@/src/libcamera/tracepoints.cpp \
                          @TOP_BUILDDIR@/include/libcamera/internal/tracepoints.h \
+                         @TOP_BUILDDIR@/include/libcamera/ipa/soft_ipa_interface.h \
                          @TOP_BUILDDIR@/src/libcamera/proxy/
 
 EXCLUDE_PATTERNS       = @TOP_BUILDDIR@/include/libcamera/ipa/*_serializer.h \
diff --git a/include/libcamera/ipa/meson.build b/include/libcamera/ipa/meson.build
index f3b4881c..894e38a6 100644
--- a/include/libcamera/ipa/meson.build
+++ b/include/libcamera/ipa/meson.build
@@ -65,6 +65,7 @@ pipeline_ipa_mojom_mapping = {
     'ipu3': 'ipu3.mojom',
     'rkisp1': 'rkisp1.mojom',
     'rpi/vc4': 'raspberrypi.mojom',
+    'simple/simple': 'soft.mojom',
     'vimc': 'vimc.mojom',
 }
 
diff --git a/include/libcamera/ipa/soft.mojom b/include/libcamera/ipa/soft.mojom
new file mode 100644
index 00000000..2dae652b
--- /dev/null
+++ b/include/libcamera/ipa/soft.mojom
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+/*
+ * \todo Document the interface and remove the related EXCLUDE_PATTERNS entry.
+ * \todo Add a way to tell SoftIPA the list of params SoftISP accepts?
+ */
+
+module ipa.soft;
+
+import "include/libcamera/ipa/core.mojom";
+
+interface IPASoftInterface {
+	init(libcamera.IPASettings settings,
+	     libcamera.SharedFD fdStats,
+	     libcamera.SharedFD fdParams,
+	     libcamera.ControlInfoMap sensorCtrlInfoMap)
+		=> (int32 ret);
+	start() => (int32 ret);
+	stop();
+	configure(libcamera.ControlInfoMap sensorCtrlInfoMap)
+		=> (int32 ret);
+
+	[async] processStats(libcamera.ControlList sensorControls);
+};
+
+interface IPASoftEventInterface {
+	setSensorControls(libcamera.ControlList sensorControls);
+	setIspParams(int32 dummy);
+};
diff --git a/src/ipa/simple/common/meson.build b/src/ipa/simple/common/meson.build
new file mode 100644
index 00000000..023e617b
--- /dev/null
+++ b/src/ipa/simple/common/meson.build
@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: CC0-1.0
+
+soft_ipa_common_sources = files([
+    'soft_base.cpp',
+])
+
+soft_ipa_common_includes = [
+    include_directories('..'),
+]
+
+soft_ipa_common_deps = [
+    libcamera_private,
+]
+
+soft_ipa_common_lib = static_library('soft_ipa_common', soft_ipa_common_sources,
+                                     include_directories : soft_ipa_common_includes,
+                                     dependencies : soft_ipa_common_deps)
diff --git a/src/ipa/simple/common/soft_base.cpp b/src/ipa/simple/common/soft_base.cpp
new file mode 100644
index 00000000..b4ed9023
--- /dev/null
+++ b/src/ipa/simple/common/soft_base.cpp
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2023, Linaro Ltd
+ *
+ * soft-base.cpp - Software IPA base class
+ */
+
+#include "soft_base.h"
+
+#include <sys/mman.h>
+
+#include <libcamera/base/file.h>
+#include <libcamera/base/log.h>
+
+#include <libcamera/control_ids.h>
+
+namespace libcamera {
+
+LOG_DEFINE_CATEGORY(IPASoft)
+
+namespace ipa::soft {
+
+IPASoftBase::IPASoftBase()
+{
+}
+
+IPASoftBase::~IPASoftBase()
+{
+}
+
+int IPASoftBase::init([[maybe_unused]] const IPASettings &settings,
+		      const SharedFD &fdStats,
+		      const SharedFD &fdParams,
+		      const ControlInfoMap &sensorInfoMap)
+{
+	fdStats_ = std::move(fdStats);
+	if (!fdStats_.isValid()) {
+		LOG(IPASoft, Error) << "Invalid Statistics handle";
+		return -ENODEV;
+	}
+
+	fdParams_ = std::move(fdParams);
+	if (!fdParams_.isValid()) {
+		LOG(IPASoft, Error) << "Invalid Parameters handle";
+		return -ENODEV;
+	}
+
+	return platformInit(sensorInfoMap);
+}
+
+int IPASoftBase::configure(const ControlInfoMap &sensorInfoMap)
+{
+	return platformConfigure(sensorInfoMap);
+}
+
+int IPASoftBase::start()
+{
+	return platformStart();
+}
+
+void IPASoftBase::stop()
+{
+	return platformStop();
+}
+
+void IPASoftBase::processStats(const ControlList &sensorControls)
+{
+	return platformProcessStats(sensorControls);
+}
+
+} /* namespace ipa::soft */
+
+} /* namespace libcamera */
diff --git a/src/ipa/simple/common/soft_base.h b/src/ipa/simple/common/soft_base.h
new file mode 100644
index 00000000..85c98702
--- /dev/null
+++ b/src/ipa/simple/common/soft_base.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2023, Linaro Ltd
+ *
+ * soft-base.h - Software IPA base class
+ */
+#pragma once
+
+#include <libcamera/base/shared_fd.h>
+
+#include <libcamera/controls.h>
+
+#include <libcamera/ipa/soft_ipa_interface.h>
+
+namespace libcamera {
+
+namespace ipa::soft {
+
+class IPASoftBase : public ipa::soft::IPASoftInterface
+{
+public:
+	IPASoftBase();
+	~IPASoftBase();
+
+	int init(const IPASettings &settings,
+		 const SharedFD &fdStats,
+		 const SharedFD &fdParams,
+		 const ControlInfoMap &sensorInfoMap) override;
+	int configure(const ControlInfoMap &sensorInfoMap) override;
+
+	int start() override;
+	void stop() override;
+
+	void processStats(const ControlList &sensorControls) override;
+
+protected:
+	SharedFD fdStats_;
+	SharedFD fdParams_;
+
+private:
+	virtual int platformInit(const ControlInfoMap &sensorInfoMap) = 0;
+	virtual int platformConfigure(const ControlInfoMap &sensorInfoMap) = 0;
+	virtual int platformStart() = 0;
+	virtual void platformStop() = 0;
+	virtual void platformProcessStats(const ControlList &sensorControls) = 0;
+};
+
+} /* namespace ipa::soft */
+
+} /* namespace libcamera */
diff --git a/src/ipa/simple/meson.build b/src/ipa/simple/meson.build
new file mode 100644
index 00000000..9688bbdb
--- /dev/null
+++ b/src/ipa/simple/meson.build
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: CC0-1.0
+
+subdir('common')
-- 
2.43.0