1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Support for Medifield PNW Camera Imaging ISP subsystem.
4 *
5 * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License version
9 * 2 as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 *
17 */
18#ifndef __ATOMISP_CSI2_H__
19#define __ATOMISP_CSI2_H__
20
21#include <media/v4l2-subdev.h>
22#include <media/v4l2-ctrls.h>
23
24#define CSI2_PAD_SINK		0
25#define CSI2_PAD_SOURCE		1
26#define CSI2_PADS_NUM		2
27
28#define CSI2_OUTPUT_ISP_SUBDEV	BIT(0)
29#define CSI2_OUTPUT_MEMORY	BIT(1)
30
31struct atomisp_device;
32struct v4l2_device;
33struct atomisp_sub_device;
34
35struct atomisp_mipi_csi2_device {
36	struct v4l2_subdev subdev;
37	struct media_pad pads[CSI2_PADS_NUM];
38	struct v4l2_mbus_framefmt formats[CSI2_PADS_NUM];
39
40	struct v4l2_ctrl_handler ctrls;
41	struct atomisp_device *isp;
42
43	u32 output; /* output direction */
44};
45
46int atomisp_csi2_set_ffmt(struct v4l2_subdev *sd,
47			  struct v4l2_subdev_state *sd_state,
48			  unsigned int which, uint16_t pad,
49			  struct v4l2_mbus_framefmt *ffmt);
50int atomisp_mipi_csi2_init(struct atomisp_device *isp);
51void atomisp_mipi_csi2_cleanup(struct atomisp_device *isp);
52void atomisp_mipi_csi2_unregister_entities(
53    struct atomisp_mipi_csi2_device *csi2);
54int atomisp_mipi_csi2_register_entities(struct atomisp_mipi_csi2_device *csi2,
55					struct v4l2_device *vdev);
56
57void atomisp_csi2_configure(struct atomisp_sub_device *asd);
58
59#endif /* __ATOMISP_CSI2_H__ */
60