/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright 2021-2022 Bootlin
 * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
 */

#ifndef _SUN6I_ISP_PARAMS_H_
#define _SUN6I_ISP_PARAMS_H_

#include <media/v4l2-device.h>

#define SUN6I_ISP_PARAMS_NAME           "sun6i-isp-params"

struct sun6i_isp_device;

struct sun6i_isp_params_state {
        struct list_head                queue; /* Queue and buffers lock. */
        spinlock_t                      lock;

        struct sun6i_isp_buffer         *pending;

        bool                            configured;
        bool                            streaming;
};

struct sun6i_isp_params {
        struct sun6i_isp_params_state   state;

        struct video_device             video_dev;
        struct vb2_queue                queue;
        struct mutex                    lock; /* Queue lock. */
        struct media_pad                pad;

        struct v4l2_format              format;
};

/* Params */

void sun6i_isp_params_configure(struct sun6i_isp_device *isp_dev);

/* State */

void sun6i_isp_params_state_update(struct sun6i_isp_device *isp_dev,
                                   bool *update);
void sun6i_isp_params_state_complete(struct sun6i_isp_device *isp_dev);

/* Params */

int sun6i_isp_params_setup(struct sun6i_isp_device *isp_dev);
void sun6i_isp_params_cleanup(struct sun6i_isp_device *isp_dev);

#endif