libcamera: internal: Move dma_heaps.[h, cpp] to common directories

DmaHeap class is useful outside the RPi pipeline handler too.

Move dma_heaps.h and dma_heaps.cpp to common directories. Update
the build files and RPi vc4 pipeline handler accordingly.

Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # sc8280xp Lenovo x13s
Tested-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

1 files changed, 0 insertions, 32 deletions

diff --git a/src/libcamera/pipeline/rpi/vc4/dma_heaps.h b/src/libcamera/pipeline/rpi/vc4/dma_heaps.h
deleted file mode 100644
index 0a4a8d86..00000000
--- a/src/libcamera/pipeline/rpi/vc4/dma_heaps.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* 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 {
-
-namespace RPi {
-
-class DmaHeap
-{
-public:
-	DmaHeap();
-	~DmaHeap();
-	bool isValid() const { return dmaHeapHandle_.isValid(); }
-	UniqueFD alloc(const char *name, std::size_t size);
-
-private:
-	UniqueFD dmaHeapHandle_;
-};
-
-} /* namespace RPi */
-
-} /* namespace libcamera */