/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright 2024 NXP
 */

#ifndef __DC_DRV_H__
#define __DC_DRV_H__

#include <linux/container_of.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/types.h>

#include <drm/drm_device.h>
#include <drm/drm_encoder.h>

#include "dc-de.h"
#include "dc-kms.h"
#include "dc-pe.h"

/**
 * struct dc_drm_device - DC specific drm_device
 */
struct dc_drm_device {
        /** @base: base drm_device structure */
        struct drm_device base;
        /** @dc_crtc: DC specific CRTC list */
        struct dc_crtc dc_crtc[DC_DISPLAYS];
        /** @dc_primary: DC specific primary plane list */
        struct dc_plane dc_primary[DC_DISPLAYS];
        /** @encoder: encoder list */
        struct drm_encoder encoder[DC_DISPLAYS];
        /** @cf_safe: constframe list(safety stream) */
        struct dc_cf *cf_safe[DC_DISPLAYS];
        /** @cf_cont: constframe list(content stream) */
        struct dc_cf *cf_cont[DC_DISPLAYS];
        /** @de: display engine list */
        struct dc_de *de[DC_DISPLAYS];
        /** @ed_safe: extdst list(safety stream) */
        struct dc_ed *ed_safe[DC_DISPLAYS];
        /** @ed_cont: extdst list(content stream) */
        struct dc_ed *ed_cont[DC_DISPLAYS];
        /** @fg: framegen list */
        struct dc_fg *fg[DC_DISPLAYS];
        /** @fu_disp: fetchunit list(used by display engine) */
        struct dc_fu *fu_disp[DC_DISP_FU_CNT];
        /** @lb: layerblend list */
        struct dc_lb *lb[DC_LB_CNT];
        /** @pe: pixel engine */
        struct dc_pe *pe;
        /** @tc: tcon list */
        struct dc_tc *tc[DC_DISPLAYS];
};

struct dc_subdev_info {
        resource_size_t reg_start;
        int id;
};

static inline struct dc_drm_device *to_dc_drm_device(struct drm_device *drm)
{
        return container_of(drm, struct dc_drm_device, base);
}

int dc_crtc_init(struct dc_drm_device *dc_drm, int crtc_index);
int dc_crtc_post_init(struct dc_drm_device *dc_drm, int crtc_index);

int dc_kms_init(struct dc_drm_device *dc_drm);
void dc_kms_uninit(struct dc_drm_device *dc_drm);

int dc_plane_init(struct dc_drm_device *dc_drm, struct dc_plane *dc_plane);

extern struct platform_driver dc_cf_driver;
extern struct platform_driver dc_de_driver;
extern struct platform_driver dc_ed_driver;
extern struct platform_driver dc_fg_driver;
extern struct platform_driver dc_fl_driver;
extern struct platform_driver dc_fw_driver;
extern struct platform_driver dc_ic_driver;
extern struct platform_driver dc_lb_driver;
extern struct platform_driver dc_pe_driver;
extern struct platform_driver dc_tc_driver;

static inline int dc_subdev_get_id(const struct dc_subdev_info *info,
                                   int info_cnt, struct resource *res)
{
        int i;

        if (!res)
                return -EINVAL;

        for (i = 0; i < info_cnt; i++)
                if (info[i].reg_start == res->start)
                        return info[i].id;

        return -EINVAL;
}

void dc_de_post_bind(struct dc_drm_device *dc_drm);
void dc_pe_post_bind(struct dc_drm_device *dc_drm);

#endif /* __DC_DRV_H__ */