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Diffstat (limited to 'kernel/include/media/videobuf2-dma-sg.h')
-rw-r--r--kernel/include/media/videobuf2-dma-sg.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/kernel/include/media/videobuf2-dma-sg.h b/kernel/include/media/videobuf2-dma-sg.h
new file mode 100644
index 000000000..14ce3068b
--- /dev/null
+++ b/kernel/include/media/videobuf2-dma-sg.h
@@ -0,0 +1,29 @@
+/*
+ * videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2
+ *
+ * Copyright (C) 2010 Samsung Electronics
+ *
+ * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.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_SG_H
+#define _MEDIA_VIDEOBUF2_DMA_SG_H
+
+#include <media/videobuf2-core.h>
+
+static inline struct sg_table *vb2_dma_sg_plane_desc(
+ struct vb2_buffer *vb, unsigned int plane_no)
+{
+ return (struct sg_table *)vb2_plane_cookie(vb, plane_no);
+}
+
+void *vb2_dma_sg_init_ctx(struct device *dev);
+void vb2_dma_sg_cleanup_ctx(void *alloc_ctx);
+
+extern const struct vb2_mem_ops vb2_dma_sg_memops;
+
+#endif