[people/arne_f/kernel.git] / drivers / gpu / drm / arm / hdlcd_drv.h

/* 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_fbdev_cma		*fbdev;
	struct drm_crtc			crtc;
	struct drm_plane		*plane;
	struct drm_atomic_state		*state;
#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__ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
8e22d792 LD	2	/*
	3	* ARM HDLCD Controller register definition
	4	*/
	5
	6	#ifndef __HDLCD_DRV_H__
	7	#define __HDLCD_DRV_H__
	8
	9	struct hdlcd_drm_private {
	10	void __iomem *mmio;
	11	struct clk *clk;
	12	struct drm_fbdev_cma *fbdev;
8e22d792 LD	13	struct drm_crtc crtc;
8e22d792 LD	14	struct drm_plane *plane;
a95acec1	15	struct drm_atomic_state *state;
8e22d792 LD	16	#ifdef CONFIG_DEBUG_FS
	17	atomic_t buffer_underrun_count;
	18	atomic_t bus_error_count;
	19	atomic_t vsync_count;
	20	atomic_t dma_end_count;
	21	#endif
	22	};
	23
	24	#define crtc_to_hdlcd_priv(x) container_of(x, struct hdlcd_drm_private, crtc)
	25
	26	static inline void hdlcd_write(struct hdlcd_drm_private *hdlcd,
	27	unsigned int reg, u32 value)
	28	{
	29	writel(value, hdlcd->mmio + reg);
	30	}
	31
	32	static inline u32 hdlcd_read(struct hdlcd_drm_private *hdlcd, unsigned int reg)
	33	{
	34	return readl(hdlcd->mmio + reg);
	35	}
	36
	37	int hdlcd_setup_crtc(struct drm_device *dev);
	38	void hdlcd_set_scanout(struct hdlcd_drm_private *hdlcd);
8e22d792 LD	39
8e22d792 LD	40	#endif /* __HDLCD_DRV_H__ */