/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (C) 2013--2024 Intel Corporation */

#ifndef IPU6_ISYS_SUBDEV_H
#define IPU6_ISYS_SUBDEV_H

#include <linux/container_of.h>

#include <media/media-entity.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>

struct ipu6_isys;

struct ipu6_isys_subdev {
        struct v4l2_subdev sd;
        struct ipu6_isys *isys;
        u32 const *supported_codes;
        struct media_pad *pad;
        struct v4l2_ctrl_handler ctrl_handler;
        void (*ctrl_init)(struct v4l2_subdev *sd);
        int source;     /* SSI stream source; -1 if unset */
};

#define to_ipu6_isys_subdev(__sd) \
        container_of(__sd, struct ipu6_isys_subdev, sd)

unsigned int ipu6_isys_mbus_code_to_bpp(u32 code);
unsigned int ipu6_isys_mbus_code_to_mipi(u32 code);
bool ipu6_isys_is_bayer_format(u32 code);
u32 ipu6_isys_convert_bayer_order(u32 code, int x, int y);

int ipu6_isys_subdev_set_fmt(struct v4l2_subdev *sd,
                             struct v4l2_subdev_state *state,
                             struct v4l2_subdev_format *fmt);
int ipu6_isys_subdev_enum_mbus_code(struct v4l2_subdev *sd,
                                    struct v4l2_subdev_state *state,
                                    struct v4l2_subdev_mbus_code_enum
                                    *code);
u32 ipu6_isys_get_src_stream_by_src_pad(struct v4l2_subdev *sd, u32 pad);
int ipu6_isys_subdev_set_routing(struct v4l2_subdev *sd,
                                 struct v4l2_subdev_state *state,
                                 enum v4l2_subdev_format_whence which,
                                 struct v4l2_subdev_krouting *routing);
int ipu6_isys_subdev_init(struct ipu6_isys_subdev *asd,
                          const struct v4l2_subdev_ops *ops,
                          unsigned int nr_ctrls,
                          unsigned int num_sink_pads,
                          unsigned int num_source_pads);
void ipu6_isys_subdev_cleanup(struct ipu6_isys_subdev *asd);
#endif /* IPU6_ISYS_SUBDEV_H */