drm_plane_helper.h 1.7 KB

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  1. /*
  2. * Copyright (C) 2011-2013 Intel Corporation
  3. *
  4. * Permission is hereby granted, free of charge, to any person obtaining a
  5. * copy of this software and associated documentation files (the "Software"),
  6. * to deal in the Software without restriction, including without limitation
  7. * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8. * and/or sell copies of the Software, and to permit persons to whom the
  9. * Software is furnished to do so, subject to the following conditions:
  10. *
  11. * The above copyright notice and this permission notice (including the next
  12. * paragraph) shall be included in all copies or substantial portions of the
  13. * Software.
  14. *
  15. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  18. * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21. * SOFTWARE.
  22. */
  23. #ifndef DRM_PLANE_HELPER_H
  24. #define DRM_PLANE_HELPER_H
  25. #include <drm/drm_rect.h>
  26. #include <drm/drm_crtc.h>
  27. #include <drm/drm_modeset_helper_vtables.h>
  28. #include <drm/drm_modeset_helper.h>
  29. /*
  30. * Drivers that don't allow primary plane scaling may pass this macro in place
  31. * of the min/max scale parameters of the update checker function.
  32. *
  33. * Due to src being in 16.16 fixed point and dest being in integer pixels,
  34. * 1<<16 represents no scaling.
  35. */
  36. #define DRM_PLANE_HELPER_NO_SCALING (1<<16)
  37. void drm_primary_helper_destroy(struct drm_plane *plane);
  38. extern const struct drm_plane_funcs drm_primary_helper_funcs;
  39. #endif