1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright 2021-2022 Bootlin
4 * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
5 */
6
7#ifndef _SUN6I_ISP_PROC_H_
8#define _SUN6I_ISP_PROC_H_
9
10#include <media/v4l2-device.h>
11#include <media/v4l2-fwnode.h>
12
13#define SUN6I_ISP_PROC_NAME		"sun6i-isp-proc"
14
15enum sun6i_isp_proc_pad {
16	SUN6I_ISP_PROC_PAD_SINK_CSI	= 0,
17	SUN6I_ISP_PROC_PAD_SINK_PARAMS	= 1,
18	SUN6I_ISP_PROC_PAD_SOURCE	= 2,
19	SUN6I_ISP_PROC_PAD_COUNT	= 3,
20};
21
22struct sun6i_isp_device;
23
24struct sun6i_isp_proc_format {
25	u32	mbus_code;
26	u8	input_format;
27	u8	input_yuv_seq;
28};
29
30struct sun6i_isp_proc_source {
31	struct v4l2_subdev		*subdev;
32	struct v4l2_fwnode_endpoint	endpoint;
33	bool				expected;
34};
35
36struct sun6i_isp_proc_async_subdev {
37	struct v4l2_async_connection	async_subdev;
38	struct sun6i_isp_proc_source	*source;
39};
40
41struct sun6i_isp_proc {
42	struct v4l2_subdev		subdev;
43	struct media_pad		pads[3];
44	struct v4l2_async_notifier	notifier;
45	struct v4l2_mbus_framefmt	mbus_format;
46	struct mutex			lock; /* Mbus format lock. */
47
48	struct sun6i_isp_proc_source	source_csi0;
49	struct sun6i_isp_proc_source	source_csi1;
50};
51
52/* Helpers */
53
54void sun6i_isp_proc_dimensions(struct sun6i_isp_device *isp_dev,
55			       unsigned int *width, unsigned int *height);
56
57/* Format */
58
59const struct sun6i_isp_proc_format *sun6i_isp_proc_format_find(u32 mbus_code);
60
61/* Proc */
62
63int sun6i_isp_proc_setup(struct sun6i_isp_device *isp_dev);
64void sun6i_isp_proc_cleanup(struct sun6i_isp_device *isp_dev);
65
66#endif
67