Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / media / videobuf2-dma-contig.h

diff --git a/kernel/include/media/videobuf2-dma-contig.h b/kernel/include/media/videobuf2-dma-contig.h
new file mode 100644 (file)
index 0000000..8197f87
--- /dev/null
+++ b/kernel/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-core.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;
+}
+
+void *vb2_dma_contig_init_ctx(struct device *dev);
+void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);
+
+extern const struct vb2_mem_ops vb2_dma_contig_memops;
+
+#endif