/* SPDX-License-Identifier: GPL-2.0 */
/*
 * camss-ispif.h
 *
 * Qualcomm MSM Camera Subsystem - ISPIF (ISP Interface) Module
 *
 * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
 * Copyright (C) 2015-2018 Linaro Ltd.
 */
#ifndef QC_MSM_CAMSS_ISPIF_H
#define QC_MSM_CAMSS_ISPIF_H

#include <linux/clk.h>
#include <media/media-entity.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>

#define MSM_ISPIF_PAD_SINK 0
#define MSM_ISPIF_PAD_SRC 1
#define MSM_ISPIF_PADS_NUM 2

#define MSM_ISPIF_VFE_NUM 2

enum ispif_intf {
        PIX0,
        RDI0,
        PIX1,
        RDI1,
        RDI2
};

struct ispif_intf_cmd_reg {
        u32 cmd_0;
        u32 cmd_1;
};

struct ispif_line {
        struct ispif_device *ispif;
        u8 id;
        u8 csid_id;
        u8 vfe_id;
        enum ispif_intf interface;
        struct v4l2_subdev subdev;
        struct media_pad pads[MSM_ISPIF_PADS_NUM];
        struct v4l2_mbus_framefmt fmt[MSM_ISPIF_PADS_NUM];
        const u32 *formats;
        unsigned int nformats;
};

struct ispif_device {
        void __iomem *base;
        void __iomem *base_clk_mux;
        u32 irq;
        char irq_name[30];
        struct camss_clock *clock;
        int nclocks;
        struct camss_clock  *clock_for_reset;
        int nclocks_for_reset;
        struct completion reset_complete[MSM_ISPIF_VFE_NUM];
        int power_count;
        struct mutex power_lock;
        struct ispif_intf_cmd_reg intf_cmd[MSM_ISPIF_VFE_NUM];
        struct mutex config_lock;
        unsigned int line_num;
        struct ispif_line *line;
        struct camss *camss;
};

struct camss_subdev_resources;

int msm_ispif_subdev_init(struct camss *camss,
                          const struct camss_subdev_resources *res);

int msm_ispif_register_entities(struct ispif_device *ispif,
                                struct v4l2_device *v4l2_dev);

void msm_ispif_unregister_entities(struct ispif_device *ispif);

#endif /* QC_MSM_CAMSS_ISPIF_H */