drivers/media/platform/vsp1/vsp1_drm.h

   1 /*
   2  * vsp1_drm.h  --  R-Car VSP1 DRM/KMS Interface
   3  *
   4  * Copyright (C) 2015 Renesas Electronics Corporation
   5  *
   6  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  */
  13 #ifndef __VSP1_DRM_H__
  14 #define __VSP1_DRM_H__
  15
  16 #include <linux/videodev2.h>
  17
  18 #include "vsp1_pipe.h"
  19
  20 /**
  21  * vsp1_drm - State for the API exposed to the DRM driver
  22  * @pipe: the VSP1 pipeline used for display
  23  * @num_inputs: number of active pipeline inputs at the beginning of an update
  24  * @planes: source crop rectangle, destination compose rectangle and z-order
  25  *      position for every input
  26  */
  27 struct vsp1_drm {
  28         struct vsp1_pipeline pipe;
  29         unsigned int num_inputs;
  30         struct {
  31                 bool enabled;
  32                 struct v4l2_rect crop;
  33                 struct v4l2_rect compose;
  34                 unsigned int zpos;
  35         } inputs[VSP1_MAX_RPF];
  36 };
  37
  38 int vsp1_drm_init(struct vsp1_device *vsp1);
  39 void vsp1_drm_cleanup(struct vsp1_device *vsp1);
  40 int vsp1_drm_create_links(struct vsp1_device *vsp1);
  41
  42 void vsp1_drm_display_start(struct vsp1_device *vsp1);
  43
  44 #endif /* __VSP1_DRM_H__ */