drm_plane_helper.h 2.3 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 <linux/types.h>
  26. struct drm_atomic_state;
  27. struct drm_crtc;
  28. struct drm_framebuffer;
  29. struct drm_modeset_acquire_ctx;
  30. struct drm_plane;
  31. int drm_plane_helper_update_primary(struct drm_plane *plane, struct drm_crtc *crtc,
  32. struct drm_framebuffer *fb,
  33. int crtc_x, int crtc_y,
  34. unsigned int crtc_w, unsigned int crtc_h,
  35. uint32_t src_x, uint32_t src_y,
  36. uint32_t src_w, uint32_t src_h,
  37. struct drm_modeset_acquire_ctx *ctx);
  38. int drm_plane_helper_disable_primary(struct drm_plane *plane,
  39. struct drm_modeset_acquire_ctx *ctx);
  40. void drm_plane_helper_destroy(struct drm_plane *plane);
  41. int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state);
  42. /**
  43. * DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for non-atomic drivers
  44. *
  45. * This macro initializes plane functions for non-atomic drivers to default
  46. * values. Non-atomic interfaces are deprecated and should not be used in new
  47. * drivers.
  48. */
  49. #define DRM_PLANE_NON_ATOMIC_FUNCS \
  50. .update_plane = drm_plane_helper_update_primary, \
  51. .disable_plane = drm_plane_helper_disable_primary, \
  52. .destroy = drm_plane_helper_destroy
  53. #endif