drivers/media/platform/vsp1/vsp1_rwpf.h

   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
  23 #define RWPF_PAD_SINK                           0
  24 #define RWPF_PAD_SOURCE                         1
  25
  26 struct vsp1_rwpf;
  27 struct vsp1_video;
  28
  29 struct vsp1_rwpf_memory {
  30         unsigned int num_planes;
  31         dma_addr_t addr[3];
  32         unsigned int length[3];
  33 };
  34
  35 struct vsp1_rwpf_operations {
  36         void (*set_memory)(struct vsp1_rwpf *rwpf,
  37                            struct vsp1_rwpf_memory *mem);
  38 };
  39
  40 struct vsp1_rwpf {
  41         struct vsp1_entity entity;
  42         struct v4l2_ctrl_handler ctrls;
  43
  44         struct vsp1_video *video;
  45
  46         const struct vsp1_rwpf_operations *ops;
  47
  48         unsigned int max_width;
  49         unsigned int max_height;
  50
  51         struct v4l2_pix_format_mplane format;
  52         const struct vsp1_format_info *fmtinfo;
  53         struct {
  54                 unsigned int left;
  55                 unsigned int top;
  56         } location;
  57         struct v4l2_rect crop;
  58
  59         unsigned int offsets[2];
  60         dma_addr_t buf_addr[3];
  61 };
  62
  63 static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev)
  64 {
  65         return container_of(subdev, struct vsp1_rwpf, entity.subdev);
  66 }
  67
  68 struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index);
  69 struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index);
  70
  71 int vsp1_rwpf_enum_mbus_code(struct v4l2_subdev *subdev,
  72                              struct v4l2_subdev_pad_config *cfg,
  73                              struct v4l2_subdev_mbus_code_enum *code);
  74 int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev,
  75                               struct v4l2_subdev_pad_config *cfg,
  76                               struct v4l2_subdev_frame_size_enum *fse);
  77 int vsp1_rwpf_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg,
  78                          struct v4l2_subdev_format *fmt);
  79 int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg,
  80                          struct v4l2_subdev_format *fmt);
  81 int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev,
  82                             struct v4l2_subdev_pad_config *cfg,
  83                             struct v4l2_subdev_selection *sel);
  84 int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
  85                             struct v4l2_subdev_pad_config *cfg,
  86                             struct v4l2_subdev_selection *sel);
  87
  88 #endif /* __VSP1_RWPF_H__ */