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linux-arkmicro
/
linux
/
drivers
/
media
/
platform
/
vsp1
/
vsp1_hgo.h

vsp1_hgo.h 898 B
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  1. /* SPDX-License-Identifier: GPL-2.0+ */
    2. 

  2. /*
    3. 

  3.  * vsp1_hgo.h  --  R-Car VSP1 Histogram Generator 1D
    4. 

  4.  *
    5. 

  5.  * Copyright (C) 2016 Renesas Electronics Corporation
    6. 

  6.  *
    7. 

  7.  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
    8. 

  8.  */
    9. 

  9. #ifndef __VSP1_HGO_H__
    10. 

  10. #define __VSP1_HGO_H__
    11. 

  11. 

  12. #include <media/media-entity.h>
    13. 

  13. #include <media/v4l2-ctrls.h>
    14. 

  14. #include <media/v4l2-subdev.h>
    15. 

  15. 

  16. #include "vsp1_histo.h"
    17. 

  17. 

  18. struct vsp1_device;
    19. 

  19. 

  20. struct vsp1_hgo {
    21. 

  21. 	struct vsp1_histogram histo;
    22. 

  22. 

  23. 	struct {
    24. 

  24. 		struct v4l2_ctrl_handler handler;
    25. 

  25. 		struct v4l2_ctrl *max_rgb;
    26. 

  26. 		struct v4l2_ctrl *num_bins;
    27. 

  27. 	} ctrls;
    28. 

  28. 

  29. 	bool max_rgb;
    30. 

  30. 	unsigned int num_bins;
    31. 

  31. };
    32. 

  32. 

  33. static inline struct vsp1_hgo *to_hgo(struct v4l2_subdev *subdev)
    34. 

  34. {
    35. 

  35. 	return container_of(subdev, struct vsp1_hgo, histo.entity.subdev);
    36. 

  36. }
    37. 

  37. 

  38. struct vsp1_hgo *vsp1_hgo_create(struct vsp1_device *vsp1);
    39. 

  39. void vsp1_hgo_frame_end(struct vsp1_entity *hgo);
    40. 

  40. 

  41. #endif /* __VSP1_HGO_H__ */
    42.