41 lines
944 B
C
41 lines
944 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* ARM HDLCD Controller register definition
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*/
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#ifndef __HDLCD_DRV_H__
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#define __HDLCD_DRV_H__
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struct hdlcd_drm_private {
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void __iomem *mmio;
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struct clk *clk;
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struct drm_fbdev_cma *fbdev;
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struct drm_crtc crtc;
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struct drm_plane *plane;
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struct drm_atomic_state *state;
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#ifdef CONFIG_DEBUG_FS
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atomic_t buffer_underrun_count;
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atomic_t bus_error_count;
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atomic_t vsync_count;
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atomic_t dma_end_count;
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#endif
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};
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#define crtc_to_hdlcd_priv(x) container_of(x, struct hdlcd_drm_private, crtc)
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static inline void hdlcd_write(struct hdlcd_drm_private *hdlcd,
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unsigned int reg, u32 value)
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{
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writel(value, hdlcd->mmio + reg);
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}
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static inline u32 hdlcd_read(struct hdlcd_drm_private *hdlcd, unsigned int reg)
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{
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return readl(hdlcd->mmio + reg);
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}
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int hdlcd_setup_crtc(struct drm_device *dev);
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void hdlcd_set_scanout(struct hdlcd_drm_private *hdlcd);
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#endif /* __HDLCD_DRV_H__ */
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