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 
24 struct v4l2_ctrl;
25 struct vsp1_dl_manager;
26 struct vsp1_rwpf;
27 struct vsp1_video;
28 
29 struct vsp1_rwpf_memory {
30 	dma_addr_t addr[3];
31 };
32 
33 struct 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 
to_rwpf(struct v4l2_subdev * subdev)69 static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev)
70 {
71 	return container_of(subdev, struct vsp1_rwpf, entity.subdev);
72 }
73 
entity_to_rwpf(struct vsp1_entity * entity)74 static inline struct vsp1_rwpf *entity_to_rwpf(struct vsp1_entity *entity)
75 {
76 	return container_of(entity, struct vsp1_rwpf, entity);
77 }
78 
79 struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index);
80 struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index);
81 
82 int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf, unsigned int ncontrols);
83 
84 extern const struct v4l2_subdev_pad_ops vsp1_rwpf_pad_ops;
85 
86 struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf,
87 				     struct v4l2_subdev_state *sd_state);
88 
89 #endif /* __VSP1_RWPF_H__ */
90