drivers/gpu/drm/sun4i/sun4i_layer.h

   1 /*
   2  * Copyright (C) 2015 Free Electrons
   3  * Copyright (C) 2015 NextThing Co
   4  *
   5  * Maxime Ripard <maxime.ripard@free-electrons.com>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  */
  12
  13 #ifndef _SUN4I_LAYER_H_
  14 #define _SUN4I_LAYER_H_
  15
  16 struct sunxi_engine;
  17
  18 struct sun4i_layer {
  19         struct drm_plane        plane;
  20         struct sun4i_drv        *drv;
  21         struct sun4i_backend    *backend;
  22         int                     id;
  23 };
  24
  25 struct sun4i_layer_state {
  26         struct drm_plane_state  state;
  27         unsigned int            pipe;
  28         bool                    uses_frontend;
  29 };
  30
  31 static inline struct sun4i_layer *
  32 plane_to_sun4i_layer(struct drm_plane *plane)
  33 {
  34         return container_of(plane, struct sun4i_layer, plane);
  35 }
  36
  37 static inline struct sun4i_layer_state *
  38 state_to_sun4i_layer_state(struct drm_plane_state *state)
  39 {
  40         return container_of(state, struct sun4i_layer_state, state);
  41 }
  42
  43 struct drm_plane **sun4i_layers_init(struct drm_device *drm,
  44                                      struct sunxi_engine *engine);
  45
  46 #endif /* _SUN4I_LAYER_H_ */