linux/include/video/sh_mobile_meram.h

#ifndef __VIDEO_SH_MOBILE_MERAM_H__
#define __VIDEO_SH_MOBILE_MERAM_H__

/* For sh_mobile_meram_info.addr_mode */
enum {
	SH_MOBILE_MERAM_MODE0 = 0,
	SH_MOBILE_MERAM_MODE1
};

enum {
	SH_MOBILE_MERAM_PF_NV = 0,
	SH_MOBILE_MERAM_PF_RGB,
	SH_MOBILE_MERAM_PF_NV24
};


struct sh_mobile_meram_priv;
struct sh_mobile_meram_ops;

/*
 * struct sh_mobile_meram_info - MERAM platform data
 * @reserved_icbs: Bitmask of reserved ICBs (for instance used through UIO)
 */
struct sh_mobile_meram_info {
	int				addr_mode;
	u32				reserved_icbs;
	struct sh_mobile_meram_ops	*ops;
	struct sh_mobile_meram_priv	*priv;
	struct platform_device		*pdev;
};

/* icb config */
struct sh_mobile_meram_icb_cfg {
	unsigned int meram_size;	/* MERAM Buffer Size to use */
};

struct sh_mobile_meram_cfg {
	struct sh_mobile_meram_icb_cfg icb[2];
};

struct module;
struct sh_mobile_meram_ops {
	struct module	*module;
	/* register usage of meram */
	void *(*meram_register)(struct sh_mobile_meram_info *meram_dev,
				const struct sh_mobile_meram_cfg *cfg,
				unsigned int xres, unsigned int yres,
				unsigned int pixelformat,
				unsigned int *pitch);

	/* unregister usage of meram */
	int (*meram_unregister)(struct sh_mobile_meram_info *meram_dev,
				void *data);

	/* update meram settings */
	int (*meram_update)(struct sh_mobile_meram_info *meram_dev,
			    void *data,
			    unsigned long base_addr_y,
			    unsigned long base_addr_c,
			    unsigned long *icb_addr_y,
			    unsigned long *icb_addr_c);
};

#endif /* __VIDEO_SH_MOBILE_MERAM_H__  */