Home Explore Help
Register Sign In
phyus
/
linux-vybrid_public
8
0
Fork 0
Files Issues 0 Pull Requests 0 Wiki
Tree: 28be6e07e8
Branches Tags
linux-vybrid_pu...
/
drivers
/
gpu
/
drm
/
rcar-du
/
rcar_du_group.h

rcar_du_group.h 1.5 KB
History Raw

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 
  1. /*
    2. 

  2.  * rcar_du_group.c  --  R-Car Display Unit Planes and CRTCs Group
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2013 Renesas Corporation
    5. 

  5.  *
    6. 

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

  7.  *
    8. 

  8.  * This program is free software; you can redistribute it and/or modify
    9. 

  9.  * it under the terms of the GNU General Public License as published by
    10. 

  10.  * the Free Software Foundation; either version 2 of the License, or
    11. 

  11.  * (at your option) any later version.
    12. 

  12.  */
    13. 

  13. 

  14. #ifndef __RCAR_DU_GROUP_H__
    15. 

  15. #define __RCAR_DU_GROUP_H__
    16. 

  16. 

  17. #include "rcar_du_plane.h"
    18. 

  18. 

  19. struct rcar_du_device;
    20. 

  20. 

  21. /*
    22. 

  22.  * struct rcar_du_group - CRTCs and planes group
    23. 

  23.  * @dev: the DU device
    24. 

  24.  * @mmio_offset: registers offset in the device memory map
    25. 

  25.  * @index: group index
    26. 

  26.  * @use_count: number of users of the group (rcar_du_group_(get|put))
    27. 

  27.  * @used_crtcs: number of CRTCs currently in use
    28. 

  28.  * @planes: planes handled by the group
    29. 

  29.  */
    30. 

  30. struct rcar_du_group {
    31. 

  31. 	struct rcar_du_device *dev;
    32. 

  32. 	unsigned int mmio_offset;
    33. 

  33. 	unsigned int index;
    34. 

  34. 

  35. 	unsigned int use_count;
    36. 

  36. 	unsigned int used_crtcs;
    37. 

  37. 

  38. 	struct rcar_du_planes planes;
    39. 

  39. };
    40. 

  40. 

  41. u32 rcar_du_group_read(struct rcar_du_group *rgrp, u32 reg);
    42. 

  42. void rcar_du_group_write(struct rcar_du_group *rgrp, u32 reg, u32 data);
    43. 

  43. 

  44. int rcar_du_group_get(struct rcar_du_group *rgrp);
    45. 

  45. void rcar_du_group_put(struct rcar_du_group *rgrp);
    46. 

  46. void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start);
    47. 

  47. void rcar_du_group_restart(struct rcar_du_group *rgrp);
    48. 

  48. int rcar_du_group_set_routing(struct rcar_du_group *rgrp);
    49. 

  49. 

  50. #endif /* __RCAR_DU_GROUP_H__ */
    51.