videobuf2-dma-contig.h 798 B

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  1. /*
  2. * videobuf2-dma-coherent.h - DMA coherent memory allocator for videobuf2
  3. *
  4. * Copyright (C) 2010 Samsung Electronics
  5. *
  6. * Author: Pawel Osciak <pawel@osciak.com>
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation.
  11. */
  12. #ifndef _MEDIA_VIDEOBUF2_DMA_COHERENT_H
  13. #define _MEDIA_VIDEOBUF2_DMA_COHERENT_H
  14. #include <media/videobuf2-core.h>
  15. static inline unsigned long vb2_dma_contig_plane_paddr(
  16. struct vb2_buffer *vb, unsigned int plane_no)
  17. {
  18. return (unsigned long)vb2_plane_cookie(vb, plane_no);
  19. }
  20. void *vb2_dma_contig_init_ctx(struct device *dev);
  21. void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);
  22. extern const struct vb2_mem_ops vb2_dma_contig_memops;
  23. #endif