[GitHub/mt8127/android_kernel_alcatel_ttab.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)
unsigned long sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev,
				    size_t size);
void sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev,
			  unsigned long mem, size_t size);
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 unsigned long
sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev, size_t size)
{
	return 0;
}

static inline void
sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev,
		     unsigned long mem, size_t size)
{
}

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
7caa4342 DHG	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,
3fedd2ac DHG	12	SH_MOBILE_MERAM_PF_RGB,
3fedd2ac DHG	13	SH_MOBILE_MERAM_PF_NV24
7caa4342 DHG	14	};
	15
	16
	17	struct sh_mobile_meram_priv;
7caa4342	18
48110050 LP	19	/*
	20	* struct sh_mobile_meram_info - MERAM platform data
	21	* @reserved_icbs: Bitmask of reserved ICBs (for instance used through UIO)
	22	*/
7caa4342 DHG	23	struct sh_mobile_meram_info {
7caa4342 DHG	24	int addr_mode;
48110050	25	u32 reserved_icbs;
7caa4342 DHG	26	struct sh_mobile_meram_priv *priv;
	27	struct platform_device *pdev;
	28	};
	29
	30	/* icb config */
d272f428	31	struct sh_mobile_meram_icb_cfg {
d272f428	32	unsigned int meram_size; /* MERAM Buffer Size to use */
7caa4342 DHG	33	};
	34
	35	struct sh_mobile_meram_cfg {
2a618e03	36	struct sh_mobile_meram_icb_cfg icb[2];
7caa4342 DHG	37	};
7caa4342 DHG	38
6e729b41 LP	39	#if defined(CONFIG_FB_SH_MOBILE_MERAM) \|\| \
6e729b41 LP	40	defined(CONFIG_FB_SH_MOBILE_MERAM_MODULE)
239921ec LP	41	unsigned long sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev,
	42	size_t size);
	43	void sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev,
	44	unsigned long mem, size_t size);
6e729b41 LP	45	void sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info dev,
	46	const struct sh_mobile_meram_cfg *cfg,
	47	unsigned int xres, unsigned int yres,
	48	unsigned int pixelformat,
	49	unsigned int *pitch);
	50	void sh_mobile_meram_cache_free(struct sh_mobile_meram_info dev, void data);
	51	void sh_mobile_meram_cache_update(struct sh_mobile_meram_info dev, void data,
	52	unsigned long base_addr_y,
	53	unsigned long base_addr_c,
	54	unsigned long *icb_addr_y,
	55	unsigned long *icb_addr_c);
	56	#else
239921ec LP	57	static inline unsigned long
	58	sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev, size_t size)
	59	{
	60	return 0;
	61	}
	62
	63	static inline void
	64	sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev,
	65	unsigned long mem, size_t size)
	66	{
	67	}
	68
6e729b41 LP	69	static inline void *
	70	sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev,
	71	const struct sh_mobile_meram_cfg *cfg,
	72	unsigned int xres, unsigned int yres,
	73	unsigned int pixelformat,
	74	unsigned int *pitch)
	75	{
	76	return ERR_PTR(-ENODEV);
	77	}
	78
	79	static inline void
	80	sh_mobile_meram_cache_free(struct sh_mobile_meram_info dev, void data)
	81	{
	82	}
	83
	84	static inline void
	85	sh_mobile_meram_cache_update(struct sh_mobile_meram_info dev, void data,
cdf88b90 LP	86	unsigned long base_addr_y,
	87	unsigned long base_addr_c,
	88	unsigned long *icb_addr_y,
6e729b41 LP	89	unsigned long *icb_addr_c)
	90	{
	91	}
	92	#endif
7caa4342 DHG	93
7caa4342 DHG	94	#endif /* __VIDEO_SH_MOBILE_MERAM_H__ */