1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) 2018 Texas Instruments Incorporated -  http://www.ti.com/
4  * Author: Benoit Parrot <bparrot@ti.com>
5  */
6 
7 #ifndef __OMAPDRM_OVERLAY_H__
8 #define __OMAPDRM_OVERLAY_H__
9 
10 #include <linux/types.h>
11 
12 enum drm_plane_type;
13 
14 struct drm_device;
15 struct drm_mode_object;
16 struct drm_plane;
17 
18 /* Used to associate a HW overlay/plane to a plane */
19 struct omap_hw_overlay {
20 	unsigned int idx;
21 
22 	const char *name;
23 	enum omap_plane_id id;
24 
25 	enum omap_overlay_caps caps;
26 };
27 
28 int omap_hwoverlays_init(struct omap_drm_private *priv);
29 void omap_hwoverlays_destroy(struct omap_drm_private *priv);
30 int omap_overlay_assign(struct drm_atomic_state *s, struct drm_plane *plane,
31 			u32 caps, u32 fourcc, struct omap_hw_overlay **overlay,
32 			struct omap_hw_overlay **r_overlay);
33 void omap_overlay_release(struct drm_atomic_state *s, struct omap_hw_overlay *overlay);
34 void omap_overlay_update_state(struct omap_drm_private *priv, struct omap_hw_overlay *overlay);
35 #endif /* __OMAPDRM_OVERLAY_H__ */
36