drivers/gpu/drm/omapdrm/omap_overlay.h

   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__ */