sys/dev/drm/include/drm/drm_plane_helper.h

   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
  24 #ifndef DRM_PLANE_HELPER_H
  25 #define DRM_PLANE_HELPER_H
  26
  27 /**
  28  * DOC: plane helpers
  29  *
  30  * Helper functions to assist with creation and handling of CRTC primary
  31  * planes.
  32  */
  33
  34 extern int drm_primary_helper_update(struct drm_plane *plane,
  35                                      struct drm_crtc *crtc,
  36                                      struct drm_framebuffer *fb,
  37                                      int crtc_x, int crtc_y,
  38                                      unsigned int crtc_w, unsigned int crtc_h,
  39                                      uint32_t src_x, uint32_t src_y,
  40                                      uint32_t src_w, uint32_t src_h);
  41 extern int drm_primary_helper_disable(struct drm_plane *plane);
  42 extern void drm_primary_helper_destroy(struct drm_plane *plane);
  43 extern const struct drm_plane_funcs drm_primary_helper_funcs;
  44 extern struct drm_plane *drm_primary_helper_create_plane(struct drm_device *dev,
  45                                                          const uint32_t *formats,
  46                                                          int num_formats);
  47
  48
  49 #endif