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/* 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;
};
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;
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;
};
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__ */
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