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;
32 struct vsp1_rwpf_memory {
37 struct vsp1_entity entity;
38 struct v4l2_ctrl_handler ctrls;
40 struct vsp1_pipeline *pipe;
41 struct vsp1_video *video;
43 unsigned int max_width;
44 unsigned int max_height;
46 struct v4l2_pix_format_mplane format;
47 const struct vsp1_format_info *fmtinfo;
48 unsigned int bru_input;
52 unsigned int offsets[2];
53 struct vsp1_rwpf_memory mem;
55 struct vsp1_dl_manager *dlm;
58 static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev)
60 return container_of(subdev, struct vsp1_rwpf, entity.subdev);
63 static inline struct vsp1_rwpf *entity_to_rwpf(struct vsp1_entity *entity)
65 return container_of(entity, struct vsp1_rwpf, entity);
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);
71 int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf);
73 extern const struct v4l2_subdev_pad_ops vsp1_rwpf_pad_ops;
75 struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf,
76 struct v4l2_subdev_pad_config *config);
78 * vsp1_rwpf_set_memory - Configure DMA addresses for a [RW]PF
79 * @rwpf: the [RW]PF instance
80 * @dl: the display list
82 * This function applies the cached memory buffer address to the display list.
84 static inline void vsp1_rwpf_set_memory(struct vsp1_rwpf *rwpf,
85 struct vsp1_dl_list *dl)
87 rwpf->entity.ops->set_memory(&rwpf->entity, dl);
90 #endif /* __VSP1_RWPF_H__ */