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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /include/media/videobuf2-dma-contig.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--include/media/videobuf2-dma-contig.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/media/videobuf2-dma-contig.h b/include/media/videobuf2-dma-contig.h
new file mode 100644
index 000000000..5be313cbf
--- /dev/null
+++ b/include/media/videobuf2-dma-contig.h
@@ -0,0 +1,32 @@
+/*
+ * videobuf2-dma-contig.h - DMA contig memory allocator for videobuf2
+ *
+ * Copyright (C) 2010 Samsung Electronics
+ *
+ * Author: Pawel Osciak <pawel@osciak.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ */
+
+#ifndef _MEDIA_VIDEOBUF2_DMA_CONTIG_H
+#define _MEDIA_VIDEOBUF2_DMA_CONTIG_H
+
+#include <media/videobuf2-v4l2.h>
+#include <linux/dma-mapping.h>
+
+static inline dma_addr_t
+vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)
+{
+ dma_addr_t *addr = vb2_plane_cookie(vb, plane_no);
+
+ return *addr;
+}
+
+int vb2_dma_contig_set_max_seg_size(struct device *dev, unsigned int size);
+static inline void vb2_dma_contig_clear_max_seg_size(struct device *dev) { }
+
+extern const struct vb2_mem_ops vb2_dma_contig_memops;
+
+#endif