1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright (C) 2015 Free Electrons
4  * Copyright (C) 2015 NextThing Co
5  *
6  * Maxime Ripard <maxime.ripard@free-electrons.com>
7  */
8 
9 #ifndef _SUN4I_LAYER_H_
10 #define _SUN4I_LAYER_H_
11 
12 struct sunxi_engine;
13 
14 struct sun4i_layer {
15 	struct drm_plane	plane;
16 	struct sun4i_drv	*drv;
17 	struct sun4i_backend	*backend;
18 	int			id;
19 };
20 
21 struct sun4i_layer_state {
22 	struct drm_plane_state	state;
23 	unsigned int		pipe;
24 	bool			uses_frontend;
25 };
26 
27 static inline struct sun4i_layer *
plane_to_sun4i_layer(struct drm_plane * plane)28 plane_to_sun4i_layer(struct drm_plane *plane)
29 {
30 	return container_of(plane, struct sun4i_layer, plane);
31 }
32 
33 static inline struct sun4i_layer_state *
state_to_sun4i_layer_state(struct drm_plane_state * state)34 state_to_sun4i_layer_state(struct drm_plane_state *state)
35 {
36 	return container_of(state, struct sun4i_layer_state, state);
37 }
38 
39 struct drm_plane **sun4i_layers_init(struct drm_device *drm,
40 				     struct sunxi_engine *engine);
41 
42 #endif /* _SUN4I_LAYER_H_ */
43