/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (c) 2011-2018 Magewell Electronics Co., Ltd. (Nanjing)
 * Author: Yong Deng <yong.deng@magewell.com>
 * Copyright 2021-2022 Bootlin
 * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
 */

#ifndef _SUN6I_CSI_H_
#define _SUN6I_CSI_H_

#include <media/v4l2-device.h>
#include <media/videobuf2-v4l2.h>

#include "sun6i_csi_bridge.h"
#include "sun6i_csi_capture.h"

#define SUN6I_CSI_NAME          "sun6i-csi"
#define SUN6I_CSI_DESCRIPTION   "Allwinner A31 CSI Device"

enum sun6i_csi_port {
        SUN6I_CSI_PORT_PARALLEL         = 0,
        SUN6I_CSI_PORT_MIPI_CSI2        = 1,
        SUN6I_CSI_PORT_ISP              = 2,
};

struct sun6i_csi_buffer {
        struct vb2_v4l2_buffer          v4l2_buffer;
        struct list_head                list;
};

struct sun6i_csi_v4l2 {
        struct v4l2_device              v4l2_dev;
        struct media_device             media_dev;
};

struct sun6i_csi_device {
        struct device                   *dev;
        struct v4l2_device              *v4l2_dev;
        struct media_device             *media_dev;

        struct sun6i_csi_v4l2           v4l2;
        struct sun6i_csi_bridge         bridge;
        struct sun6i_csi_capture        capture;

        struct regmap                   *regmap;
        struct clk                      *clock_mod;
        struct clk                      *clock_ram;
        struct reset_control            *reset;

        bool                            isp_available;
};

struct sun6i_csi_variant {
        unsigned long   clock_mod_rate;
};

/* ISP */

int sun6i_csi_isp_complete(struct sun6i_csi_device *csi_dev,
                           struct v4l2_device *v4l2_dev);

#endif