include/media/vsp1.h

   1 /*
   2  * vsp1.h  --  R-Car VSP1 API
   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 __MEDIA_VSP1_H__
  14 #define __MEDIA_VSP1_H__
  15
  16 #include <linux/scatterlist.h>
  17 #include <linux/types.h>
  18 #include <linux/videodev2.h>
  19
  20 struct device;
  21
  22 int vsp1_du_init(struct device *dev);
  23
  24 /**
  25  * struct vsp1_du_lif_config - VSP LIF configuration
  26  * @width: output frame width
  27  * @height: output frame height
  28  * @callback: frame completion callback function (optional). When a callback
  29  *            is provided, the VSP driver guarantees that it will be called once
  30  *            and only once for each vsp1_du_atomic_flush() call.
  31  * @callback_data: data to be passed to the frame completion callback
  32  */
  33 struct vsp1_du_lif_config {
  34         unsigned int width;
  35         unsigned int height;
  36
  37         void (*callback)(void *, bool);
  38         void *callback_data;
  39 };
  40
  41 int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index,
  42                       const struct vsp1_du_lif_config *cfg);
  43
  44 struct vsp1_du_atomic_config {
  45         u32 pixelformat;
  46         unsigned int pitch;
  47         dma_addr_t mem[3];
  48         struct v4l2_rect src;
  49         struct v4l2_rect dst;
  50         unsigned int alpha;
  51         unsigned int zpos;
  52 };
  53
  54 void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index);
  55 int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index,
  56                           unsigned int rpf,
  57                           const struct vsp1_du_atomic_config *cfg);
  58 void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index);
  59 int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt);
  60 void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt);
  61
  62 #endif /* __MEDIA_VSP1_H__ */