LXR linux/drivers/media/platform/vsp1/vsp1

   1/*
   2 * vsp1_rwpf.h  --  R-Car VSP1 Read and Write Pixel Formatters
   3 *
   4 * Copyright (C) 2013-2014 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_RWPF_H__
  14#define __VSP1_RWPF_H__
  15
  16#include <media/media-entity.h>
  17#include <media/v4l2-ctrls.h>
  18#include <media/v4l2-subdev.h>
  19
  20#include "vsp1.h"
  21#include "vsp1_entity.h"
  22#include "vsp1_video.h"
  23
  24#define RWPF_PAD_SINK                           0
  25#define RWPF_PAD_SOURCE                         1
  26
  27struct vsp1_rwpf {
  28        struct vsp1_entity entity;
  29        struct vsp1_video video;
  30        struct v4l2_ctrl_handler ctrls;
  31
  32        unsigned int max_width;
  33        unsigned int max_height;
  34
  35        struct {
  36                unsigned int left;
  37                unsigned int top;
  38        } location;
  39        struct v4l2_rect crop;
  40
  41        unsigned int offsets[2];
  42        dma_addr_t buf_addr[3];
  43};
  44
  45static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev)
  46{
  47        return container_of(subdev, struct vsp1_rwpf, entity.subdev);
  48}
  49
  50struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index);
  51struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index);
  52
  53int vsp1_rpf_create_links(struct vsp1_device *vsp1,
  54                               struct vsp1_entity *entity);
  55int vsp1_wpf_create_links(struct vsp1_device *vsp1,
  56                               struct vsp1_entity *entity);
  57
  58int vsp1_rwpf_enum_mbus_code(struct v4l2_subdev *subdev,
  59                             struct v4l2_subdev_pad_config *cfg,
  60                             struct v4l2_subdev_mbus_code_enum *code);
  61int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev,
  62                              struct v4l2_subdev_pad_config *cfg,
  63                              struct v4l2_subdev_frame_size_enum *fse);
  64int vsp1_rwpf_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg,
  65                         struct v4l2_subdev_format *fmt);
  66int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg,
  67                         struct v4l2_subdev_format *fmt);
  68int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev,
  69                            struct v4l2_subdev_pad_config *cfg,
  70                            struct v4l2_subdev_selection *sel);
  71int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
  72                            struct v4l2_subdev_pad_config *cfg,
  73                            struct v4l2_subdev_selection *sel);
  74
  75#endif /* __VSP1_RWPF_H__ */
  76