2 * vsp1_rwpf.h -- R-Car VSP1 Read and Write Pixel Formatters
4 * Copyright (C) 2013-2014 Renesas Electronics Corporation
6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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.
13 #ifndef __VSP1_RWPF_H__
14 #define __VSP1_RWPF_H__
16 #include <media/media-entity.h>
17 #include <media/v4l2-ctrls.h>
18 #include <media/v4l2-subdev.h>
21 #include "vsp1_entity.h"
23 #define RWPF_PAD_SINK 0
24 #define RWPF_PAD_SOURCE 1
27 struct vsp1_dl_manager;
31 struct vsp1_rwpf_memory {
36 struct vsp1_entity entity;
37 struct v4l2_ctrl_handler ctrls;
39 struct vsp1_video *video;
41 unsigned int max_width;
42 unsigned int max_height;
44 struct v4l2_pix_format_mplane format;
45 const struct vsp1_format_info *fmtinfo;
46 unsigned int bru_input;
50 unsigned int offsets[2];
51 struct vsp1_rwpf_memory mem;
53 struct vsp1_dl_manager *dlm;
56 static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev)
58 return container_of(subdev, struct vsp1_rwpf, entity.subdev);
61 static inline struct vsp1_rwpf *entity_to_rwpf(struct vsp1_entity *entity)
63 return container_of(entity, struct vsp1_rwpf, entity);
66 struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index);
67 struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index);
69 int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf);
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,
78 struct v4l2_subdev_pad_config *cfg,
79 struct v4l2_subdev_format *fmt);
80 int vsp1_rwpf_set_format(struct v4l2_subdev *subdev,
81 struct v4l2_subdev_pad_config *cfg,
82 struct v4l2_subdev_format *fmt);
83 int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev,
84 struct v4l2_subdev_pad_config *cfg,
85 struct v4l2_subdev_selection *sel);
86 int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev,
87 struct v4l2_subdev_pad_config *cfg,
88 struct v4l2_subdev_selection *sel);
90 struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf,
91 struct v4l2_subdev_pad_config *config);
93 * vsp1_rwpf_set_memory - Configure DMA addresses for a [RW]PF
94 * @rwpf: the [RW]PF instance
96 * This function applies the cached memory buffer address to the hardware.
98 static inline void vsp1_rwpf_set_memory(struct vsp1_rwpf *rwpf)
100 rwpf->entity.ops->set_memory(&rwpf->entity);
103 #endif /* __VSP1_RWPF_H__ */