[deliverable/linux.git] / 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_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_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];
};

#if defined(CONFIG_FB_SH_MOBILE_MERAM) || \
    defined(CONFIG_FB_SH_MOBILE_MERAM_MODULE)
void *sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev,
				  const struct sh_mobile_meram_cfg *cfg,
				  unsigned int xres, unsigned int yres,
				  unsigned int pixelformat,
				  unsigned int *pitch);
void sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data);
void sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data,
				  unsigned long base_addr_y,
				  unsigned long base_addr_c,
				  unsigned long *icb_addr_y,
				  unsigned long *icb_addr_c);
#else
static inline void *
sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev,
			    const struct sh_mobile_meram_cfg *cfg,
			    unsigned int xres, unsigned int yres,
			    unsigned int pixelformat,
			    unsigned int *pitch)
{
	return ERR_PTR(-ENODEV);
}

static inline void
sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data)
{
}

static inline void
sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data,
			     unsigned long base_addr_y,
			     unsigned long base_addr_c,
			     unsigned long *icb_addr_y,
			     unsigned long *icb_addr_c)
{
}
#endif

#endif /* __VIDEO_SH_MOBILE_MERAM_H__  */
Commit	Line	Data
	1	#ifndef __VIDEO_SH_MOBILE_MERAM_H__
	2	#define __VIDEO_SH_MOBILE_MERAM_H__
	3
	4	/* For sh_mobile_meram_info.addr_mode */
	5	enum {
	6	SH_MOBILE_MERAM_MODE0 = 0,
	7	SH_MOBILE_MERAM_MODE1
	8	};
	9
	10	enum {
	11	SH_MOBILE_MERAM_PF_NV = 0,
	12	SH_MOBILE_MERAM_PF_RGB,
	13	SH_MOBILE_MERAM_PF_NV24
	14	};
	15
	16
	17	struct sh_mobile_meram_priv;
	18
	19	/*
	20	* struct sh_mobile_meram_info - MERAM platform data
	21	* @reserved_icbs: Bitmask of reserved ICBs (for instance used through UIO)
	22	*/
	23	struct sh_mobile_meram_info {
	24	int addr_mode;
	25	u32 reserved_icbs;
	26	struct sh_mobile_meram_priv *priv;
	27	struct platform_device *pdev;
	28	};
	29
	30	/* icb config */
	31	struct sh_mobile_meram_icb_cfg {
	32	unsigned int meram_size; /* MERAM Buffer Size to use */
	33	};
	34
	35	struct sh_mobile_meram_cfg {
	36	struct sh_mobile_meram_icb_cfg icb[2];
	37	};
	38
	39	#if defined(CONFIG_FB_SH_MOBILE_MERAM) \|\| \
	40	defined(CONFIG_FB_SH_MOBILE_MERAM_MODULE)
	41	void sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info dev,
	42	const struct sh_mobile_meram_cfg *cfg,
	43	unsigned int xres, unsigned int yres,
	44	unsigned int pixelformat,
	45	unsigned int *pitch);
	46	void sh_mobile_meram_cache_free(struct sh_mobile_meram_info dev, void data);
	47	void sh_mobile_meram_cache_update(struct sh_mobile_meram_info dev, void data,
	48	unsigned long base_addr_y,
	49	unsigned long base_addr_c,
	50	unsigned long *icb_addr_y,
	51	unsigned long *icb_addr_c);
	52	#else
	53	static inline void *
	54	sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev,
	55	const struct sh_mobile_meram_cfg *cfg,
	56	unsigned int xres, unsigned int yres,
	57	unsigned int pixelformat,
	58	unsigned int *pitch)
	59	{
	60	return ERR_PTR(-ENODEV);
	61	}
	62
	63	static inline void
	64	sh_mobile_meram_cache_free(struct sh_mobile_meram_info dev, void data)
	65	{
	66	}
	67
	68	static inline void
	69	sh_mobile_meram_cache_update(struct sh_mobile_meram_info dev, void data,
	70	unsigned long base_addr_y,
	71	unsigned long base_addr_c,
	72	unsigned long *icb_addr_y,
	73	unsigned long *icb_addr_c)
	74	{
	75	}
	76	#endif
	77
	78	#endif /* __VIDEO_SH_MOBILE_MERAM_H__ */