ivtv-yuv.h 1.7 KB

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  1. /*
  2. yuv support
  3. Copyright (C) 2007 Ian Armstrong <ian@iarmst.demon.co.uk>
  4. This program is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 2 of the License, or
  7. (at your option) any later version.
  8. This program is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. GNU General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program; if not, write to the Free Software
  14. Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  15. */
  16. #ifndef IVTV_YUV_H
  17. #define IVTV_YUV_H
  18. /* Buffers on hardware offsets */
  19. #define IVTV_YUV_BUFFER_OFFSET 0x001a8600 /* First YUV Buffer */
  20. #define IVTV_YUV_BUFFER_OFFSET_1 0x00240400 /* Second YUV Buffer */
  21. #define IVTV_YUV_BUFFER_OFFSET_2 0x002d8200 /* Third YUV Buffer */
  22. #define IVTV_YUV_BUFFER_OFFSET_3 0x00370000 /* Fourth YUV Buffer */
  23. #define IVTV_YUV_BUFFER_UV_OFFSET 0x65400 /* Offset to UV Buffer */
  24. /* Offset to filter table in firmware */
  25. #define IVTV_YUV_HORIZONTAL_FILTER_OFFSET 0x025d8
  26. #define IVTV_YUV_VERTICAL_FILTER_OFFSET 0x03358
  27. #define IVTV_YUV_UPDATE_HORIZONTAL 0x01
  28. #define IVTV_YUV_UPDATE_VERTICAL 0x02
  29. #define IVTV_YUV_UPDATE_INVALID 0x04
  30. extern const u32 yuv_offset[4];
  31. int ivtv_yuv_filter_check(struct ivtv *itv);
  32. int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args);
  33. void ivtv_yuv_close(struct ivtv *itv);
  34. void ivtv_yuv_work_handler (struct ivtv *itv);
  35. #endif