Eric Lee / smarc-fsl-linux-kernel

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include/drm/drm_blend.h 2.5 KB
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187338024   Daniel Vetter   drm: Conslidate b... 
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  /*
   * Copyright (c) 2016 Intel Corporation
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
   * the above copyright notice appear in all copies and that both that copyright
   * notice and this permission notice appear in supporting documentation, and
   * that the name of the copyright holders not be used in advertising or
   * publicity pertaining to distribution of the software without specific,
   * written prior permission.  The copyright holders make no representations
   * about the suitability of this software for any purpose.  It is provided "as
   * is" without express or implied warranty.
   *
   * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
   * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
   * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
   * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
   * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
   * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
   * OF THIS SOFTWARE.
   */
  
  #ifndef __DRM_BLEND_H__
  #define __DRM_BLEND_H__
  
  #include <linux/list.h>
  #include <linux/ctype.h>
  
  struct drm_device;
  struct drm_atomic_state;
  
  /*
   * Rotation property bits. DRM_ROTATE_<degrees> rotates the image by the
   * specified amount in degrees in counter clockwise direction. DRM_REFLECT_X and
   * DRM_REFLECT_Y reflects the image along the specified axis prior to rotation
226714dc7   Daniel Vetter   drm: Fix plane ty... 
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   *
   * WARNING: These defines are UABI since they're exposed in the rotation
   * property.
187338024   Daniel Vetter   drm: Conslidate b... 
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   */
  #define DRM_ROTATE_0	BIT(0)
  #define DRM_ROTATE_90	BIT(1)
  #define DRM_ROTATE_180	BIT(2)
  #define DRM_ROTATE_270	BIT(3)
  #define DRM_ROTATE_MASK (DRM_ROTATE_0   | DRM_ROTATE_90 | \
  			 DRM_ROTATE_180 | DRM_ROTATE_270)
  #define DRM_REFLECT_X	BIT(4)
  #define DRM_REFLECT_Y	BIT(5)
  #define DRM_REFLECT_MASK (DRM_REFLECT_X | DRM_REFLECT_Y)
  
  struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
  						       unsigned int supported_rotations);
  unsigned int drm_rotation_simplify(unsigned int rotation,
  				   unsigned int supported_rotations);
  
  int drm_plane_create_zpos_property(struct drm_plane *plane,
  				   unsigned int zpos,
  				   unsigned int min, unsigned int max);
  int drm_plane_create_zpos_immutable_property(struct drm_plane *plane,
  					     unsigned int zpos);
  int drm_atomic_normalize_zpos(struct drm_device *dev,
  			      struct drm_atomic_state *state);
  #endif