xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/sun4i/sun4i_layer.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2015 Free Electrons
4*4882a593Smuzhiyun  * Copyright (C) 2015 NextThing Co
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Maxime Ripard <maxime.ripard@free-electrons.com>
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifndef _SUN4I_LAYER_H_
10*4882a593Smuzhiyun #define _SUN4I_LAYER_H_
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun struct sunxi_engine;
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun struct sun4i_layer {
15*4882a593Smuzhiyun 	struct drm_plane	plane;
16*4882a593Smuzhiyun 	struct sun4i_drv	*drv;
17*4882a593Smuzhiyun 	struct sun4i_backend	*backend;
18*4882a593Smuzhiyun 	int			id;
19*4882a593Smuzhiyun };
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun struct sun4i_layer_state {
22*4882a593Smuzhiyun 	struct drm_plane_state	state;
23*4882a593Smuzhiyun 	unsigned int		pipe;
24*4882a593Smuzhiyun 	bool			uses_frontend;
25*4882a593Smuzhiyun };
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun static inline struct sun4i_layer *
plane_to_sun4i_layer(struct drm_plane * plane)28*4882a593Smuzhiyun plane_to_sun4i_layer(struct drm_plane *plane)
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun 	return container_of(plane, struct sun4i_layer, plane);
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun static inline struct sun4i_layer_state *
state_to_sun4i_layer_state(struct drm_plane_state * state)34*4882a593Smuzhiyun state_to_sun4i_layer_state(struct drm_plane_state *state)
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun 	return container_of(state, struct sun4i_layer_state, state);
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun struct drm_plane **sun4i_layers_init(struct drm_device *drm,
40*4882a593Smuzhiyun 				     struct sunxi_engine *engine);
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun #endif /* _SUN4I_LAYER_H_ */
43