[linux-2.6-block.git] / drivers / gpu / drm / arm / hdlcd_drv.h

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