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_CAPTURE_H_
8#define _SUN6I_ISP_CAPTURE_H_
9
10#include <media/v4l2-device.h>
11
12#define SUN6I_ISP_CAPTURE_NAME		"sun6i-isp-capture"
13
14#define SUN6I_ISP_CAPTURE_WIDTH_MIN	16
15#define SUN6I_ISP_CAPTURE_WIDTH_MAX	3264
16#define SUN6I_ISP_CAPTURE_HEIGHT_MIN	16
17#define SUN6I_ISP_CAPTURE_HEIGHT_MAX	2448
18
19struct sun6i_isp_device;
20
21struct sun6i_isp_capture_format {
22	u32	pixelformat;
23	u8	output_format;
24};
25
26#undef current
27struct sun6i_isp_capture_state {
28	struct list_head		queue;
29	spinlock_t			lock; /* Queue and buffers lock. */
30
31	struct sun6i_isp_buffer		*pending;
32	struct sun6i_isp_buffer		*current;
33	struct sun6i_isp_buffer		*complete;
34
35	unsigned int			sequence;
36	bool				streaming;
37};
38
39struct sun6i_isp_capture {
40	struct sun6i_isp_capture_state	state;
41
42	struct video_device		video_dev;
43	struct vb2_queue		queue;
44	struct mutex			lock; /* Queue lock. */
45	struct media_pad		pad;
46
47	struct v4l2_format		format;
48};
49
50/* Helpers */
51
52void sun6i_isp_capture_dimensions(struct sun6i_isp_device *isp_dev,
53				  unsigned int *width, unsigned int *height);
54void sun6i_isp_capture_format(struct sun6i_isp_device *isp_dev,
55			      u32 *pixelformat);
56
57/* Format */
58
59const struct sun6i_isp_capture_format *
60sun6i_isp_capture_format_find(u32 pixelformat);
61
62/* Capture */
63
64void sun6i_isp_capture_configure(struct sun6i_isp_device *isp_dev);
65
66/* State */
67
68void sun6i_isp_capture_state_update(struct sun6i_isp_device *isp_dev,
69				    bool *update);
70void sun6i_isp_capture_state_complete(struct sun6i_isp_device *isp_dev);
71void sun6i_isp_capture_finish(struct sun6i_isp_device *isp_dev);
72
73/* Capture */
74
75int sun6i_isp_capture_setup(struct sun6i_isp_device *isp_dev);
76void sun6i_isp_capture_cleanup(struct sun6i_isp_device *isp_dev);
77
78#endif
79