/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2016 Marek Vasut <marex@denx.de>
 *
 * i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver.
 */

#ifndef __MXSFB_DRV_H__
#define __MXSFB_DRV_H__

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

struct clk;

struct mxsfb_devdata {
        unsigned int    transfer_count;
        unsigned int    cur_buf;
        unsigned int    next_buf;
        unsigned int    hs_wdth_mask;
        unsigned int    hs_wdth_shift;
        bool            has_overlay;
        bool            has_ctrl2;
        bool            has_crc32;
};

struct mxsfb_drm_private {
        const struct mxsfb_devdata      *devdata;

        void __iomem                    *base;  /* registers */
        struct clk                      *clk;
        struct clk                      *clk_axi;
        struct clk                      *clk_disp_axi;

        unsigned int                    irq;

        struct drm_device               *drm;
        struct {
                struct drm_plane        primary;
                struct drm_plane        overlay;
        } planes;
        struct drm_crtc                 crtc;
        struct drm_encoder              encoder;
        struct drm_connector            *connector;
        struct drm_bridge               *bridge;

        bool                            crc_active;
};

static inline struct mxsfb_drm_private *
to_mxsfb_drm_private(struct drm_device *drm)
{
        return drm->dev_private;
}

void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb);
void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb);

int mxsfb_kms_init(struct mxsfb_drm_private *mxsfb);

#endif /* __MXSFB_DRV_H__ */