64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2016 Marek Vasut <marex@denx.de>
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*
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* i.MX23/i.MX28/i.MX6SX MXSFB LCD controller driver.
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*/
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#ifndef __MXSFB_DRV_H__
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#define __MXSFB_DRV_H__
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#include <drm/drm_crtc.h>
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#include <drm/drm_device.h>
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#include <drm/drm_encoder.h>
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#include <drm/drm_plane.h>
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struct clk;
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struct mxsfb_devdata {
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unsigned int transfer_count;
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unsigned int cur_buf;
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unsigned int next_buf;
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unsigned int hs_wdth_mask;
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unsigned int hs_wdth_shift;
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bool has_overlay;
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bool has_ctrl2;
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bool has_crc32;
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};
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struct mxsfb_drm_private {
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const struct mxsfb_devdata *devdata;
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void __iomem *base; /* registers */
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struct clk *clk;
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struct clk *clk_axi;
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struct clk *clk_disp_axi;
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unsigned int irq;
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struct drm_device *drm;
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struct {
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struct drm_plane primary;
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struct drm_plane overlay;
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} planes;
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struct drm_crtc crtc;
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struct drm_encoder encoder;
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struct drm_connector *connector;
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struct drm_bridge *bridge;
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bool crc_active;
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};
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static inline struct mxsfb_drm_private *
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to_mxsfb_drm_private(struct drm_device *drm)
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{
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return drm->dev_private;
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}
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void mxsfb_enable_axi_clk(struct mxsfb_drm_private *mxsfb);
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void mxsfb_disable_axi_clk(struct mxsfb_drm_private *mxsfb);
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int mxsfb_kms_init(struct mxsfb_drm_private *mxsfb);
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#endif /* __MXSFB_DRV_H__ */
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