2 files changed, 29 insertions, 0 deletions
diff --git a/include/libcamera/internal/dma_heaps.h b/include/libcamera/internal/dma_heaps.h
new file mode 100644
index 00000000..cff8f140
--- /dev/null
+++ b/include/libcamera/internal/dma_heaps.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2020, Raspberry Pi Ltd
+ *
+ * dma_heaps.h - Helper class for dma-heap allocations.
+ */
+
+#pragma once
+
+#include <stddef.h>
+
+#include <libcamera/base/unique_fd.h>
+
+namespace libcamera {
+
+class DmaHeap
+{
+public:
+	DmaHeap();
+	~DmaHeap();
+	bool isValid() const { return dmaHeapHandle_.isValid(); }
+	UniqueFD alloc(const char *name, std::size_t size);
+
+private:
+	UniqueFD dmaHeapHandle_;
+};
+
+} /* namespace libcamera */
diff --git a/include/libcamera/internal/meson.build b/include/libcamera/internal/meson.build
index 7f1f3440..33eb0fb3 100644
--- a/include/libcamera/internal/meson.build
+++ b/include/libcamera/internal/meson.build
@@ -25,6 +25,7 @@ libcamera_internal_headers = files([
     'device_enumerator.h',
     'device_enumerator_sysfs.h',
     'device_enumerator_udev.h',
+    'dma_heaps.h',
     'formats.h',
     'framebuffer.h',
     'ipa_manager.h',