3 files changed, 95 insertions, 0 deletions
diff --git a/src/libcamera/ipa/core_ipa_interface.cpp b/src/libcamera/ipa/core_ipa_interface.cpp
new file mode 100644
index 00000000..a6711e0e
--- /dev/null
+++ b/src/libcamera/ipa/core_ipa_interface.cpp
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021, Google Inc.
+ *
+ * core_ipa_interface.cpp - Docs file for core.mojom generated header
+ */
+
+namespace libcamera {
+
+/**
+ * \file core_ipa_interface.h
+ * \brief Core IPA inteface
+ */
+
+/**
+ * \struct IPABuffer
+ * \brief Buffer information for the IPA interface
+ *
+ * The IPABuffer structure associates buffer memory with a unique ID. It is
+ * used to map buffers to the IPA with IPAInterface::mapBuffers(), after which
+ * buffers will be identified by their ID in the IPA interface.
+ */
+
+/**
+ * \var IPABuffer::id
+ * \brief The buffer unique ID
+ *
+ * Buffers mapped to the IPA are identified by numerical unique IDs. The IDs
+ * are chosen by the pipeline handler to fulfil the following constraints:
+ *
+ * - IDs shall be positive integers different than zero
+ * - IDs shall be unique among all mapped buffers
+ *
+ * When buffers are unmapped with IPAInterface::unmapBuffers() their IDs are
+ * freed and may be reused for new buffer mappings.
+ */
+
+/**
+ * \var IPABuffer::planes
+ * \brief The buffer planes description
+ *
+ * Stores the dmabuf handle and length for each plane of the buffer.
+ */
+
+/**
+ * \struct IPASettings
+ * \brief IPA interface initialization settings
+ *
+ * The IPASettings structure stores data passed to the IPAInterface::init()
+ * function. The data contains settings that don't depend on a particular camera
+ * or pipeline configuration and are valid for the whole life time of the IPA
+ * interface.
+ */
+
+/**
+ * \var IPASettings::configurationFile
+ * \brief The name of the IPA configuration file
+ *
+ * This field may be an empty string if the IPA doesn't require a configuration
+ * file.
+ */
+
+/**
+ * \var IPASettings::sensorModel
+ * \brief The sensor model name
+ *
+ * Provides the sensor model name to the IPA.
+ */
+
+/**
+ * \struct IPAStream
+ * \brief Stream configuration for the IPA interface
+ *
+ * The IPAStream structure stores stream configuration parameters needed by the
+ * IPAInterface::configure() method. It mirrors the StreamConfiguration class
+ * that is not suitable for this purpose due to not being serializable.
+ */
+
+/**
+ * \var IPAStream::pixelFormat
+ * \brief The stream pixel format
+ */
+
+/**
+ * \var IPAStream::size
+ * \brief The stream size in pixels
+ */
+
+} /* namespace libcamera */
diff --git a/src/libcamera/ipa/meson.build b/src/libcamera/ipa/meson.build
new file mode 100644
index 00000000..560b2fdd
--- /dev/null
+++ b/src/libcamera/ipa/meson.build
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: CC0-1.0
+
+libcamera_ipa_interfaces = files([
+    'core_ipa_interface.cpp',
+])
diff --git a/src/libcamera/meson.build b/src/libcamera/meson.build
index 5a41816e..cc2b8669 100644
--- a/src/libcamera/meson.build
+++ b/src/libcamera/meson.build
@@ -66,6 +66,7 @@ includes = [
     libcamera_includes,
 ]
 
+subdir('ipa')
 subdir('pipeline')
 subdir('proxy')