1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * vsp1_rwpf.h  --  R-Car VSP1 Read and Write Pixel Formatters
4 *
5 * Copyright (C) 2013-2014 Renesas Electronics Corporation
6 *
7 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
8 */
9#ifndef __VSP1_RWPF_H__
10#define __VSP1_RWPF_H__
11
12#include <linux/spinlock.h>
13
14#include <media/media-entity.h>
15#include <media/v4l2-ctrls.h>
16#include <media/v4l2-subdev.h>
17
18#include "vsp1.h"
19#include "vsp1_entity.h"
20
21#define RWPF_PAD_SINK				0
22#define RWPF_PAD_SOURCE				1
23
24struct v4l2_ctrl;
25struct vsp1_dl_manager;
26struct vsp1_rwpf;
27struct vsp1_video;
28
29struct vsp1_rwpf_memory {
30	dma_addr_t addr[3];
31};
32
33struct vsp1_rwpf {
34	struct vsp1_entity entity;
35	struct v4l2_ctrl_handler ctrls;
36
37	struct vsp1_video *video;
38
39	unsigned int max_width;
40	unsigned int max_height;
41
42	struct v4l2_pix_format_mplane format;
43	const struct vsp1_format_info *fmtinfo;
44	unsigned int brx_input;
45
46	unsigned int alpha;
47
48	u32 mult_alpha;
49	u32 outfmt;
50
51	struct {
52		spinlock_t lock;
53		struct {
54			struct v4l2_ctrl *vflip;
55			struct v4l2_ctrl *hflip;
56			struct v4l2_ctrl *rotate;
57		} ctrls;
58		unsigned int pending;
59		unsigned int active;
60		bool rotate;
61	} flip;
62
63	struct vsp1_rwpf_memory mem;
64	bool writeback;
65
66	struct vsp1_dl_manager *dlm;
67};
68
69static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev)
70{
71	return container_of(subdev, struct vsp1_rwpf, entity.subdev);
72}
73
74static inline struct vsp1_rwpf *entity_to_rwpf(struct vsp1_entity *entity)
75{
76	return container_of(entity, struct vsp1_rwpf, entity);
77}
78
79struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index);
80struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index);
81
82void vsp1_wpf_stop(struct vsp1_rwpf *wpf);
83
84int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf, unsigned int ncontrols);
85
86extern const struct v4l2_subdev_ops vsp1_rwpf_subdev_ops;
87
88struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf,
89				     struct v4l2_subdev_state *sd_state);
90
91#endif /* __VSP1_RWPF_H__ */
92