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