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 "vsp1_pipe.h"
  17
  18 struct vsp1_dl;
  19
  20 /**
  21  * vsp1_drm - State for the API exposed to the DRM driver
  22  * @dl: display list for DRM pipeline operation
  23  * @pipe: the VSP1 pipeline used for display
  24  * @num_inputs: number of active pipeline inputs at the beginning of an update
  25  * @update: the pipeline configuration has been updated
  26  */
  27 struct vsp1_drm {
  28         struct vsp1_dl *dl;
  29         struct vsp1_pipeline pipe;
  30         unsigned int num_inputs;
  31         bool update;
  32 };
  33
  34 int vsp1_drm_init(struct vsp1_device *vsp1);
  35 void vsp1_drm_cleanup(struct vsp1_device *vsp1);
  36 int vsp1_drm_create_links(struct vsp1_device *vsp1);
  37
  38 int vsp1_du_init(struct device *dev);
  39 int vsp1_du_setup_lif(struct device *dev, unsigned int width,
  40                       unsigned int height);
  41 void vsp1_du_atomic_begin(struct device *dev);
  42 int vsp1_du_atomic_update(struct device *dev, unsigned int rpf_index,
  43                           u32 pixelformat, unsigned int pitch,
  44                           dma_addr_t mem[2], const struct v4l2_rect *src,
  45                           const struct v4l2_rect *dst);
  46 void vsp1_du_atomic_flush(struct device *dev);
  47
  48
  49 #endif /* __VSP1_DRM_H__ */