[mirror_ubuntu-bionic-kernel.git] / include / video / sh_mobile_meram.h

/* SPDX-License-Identifier: GPL-2.0 */
#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
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
7caa4342 DHG	2	#ifndef __VIDEO_SH_MOBILE_MERAM_H__
	3	#define __VIDEO_SH_MOBILE_MERAM_H__
	4
	5	/* For sh_mobile_meram_info.addr_mode */
	6	enum {
	7	SH_MOBILE_MERAM_MODE0 = 0,
	8	SH_MOBILE_MERAM_MODE1
	9	};
	10
	11	enum {
	12	SH_MOBILE_MERAM_PF_NV = 0,
3fedd2ac DHG	13	SH_MOBILE_MERAM_PF_RGB,
3fedd2ac DHG	14	SH_MOBILE_MERAM_PF_NV24
7caa4342 DHG	15	};
	16
	17
	18	struct sh_mobile_meram_priv;
7caa4342	19
48110050 LP	20	/*
	21	* struct sh_mobile_meram_info - MERAM platform data
	22	* @reserved_icbs: Bitmask of reserved ICBs (for instance used through UIO)
	23	*/
7caa4342 DHG	24	struct sh_mobile_meram_info {
7caa4342 DHG	25	int addr_mode;
48110050	26	u32 reserved_icbs;
7caa4342 DHG	27	struct sh_mobile_meram_priv *priv;
	28	struct platform_device *pdev;
	29	};
	30
	31	/* icb config */
d272f428	32	struct sh_mobile_meram_icb_cfg {
d272f428	33	unsigned int meram_size; /* MERAM Buffer Size to use */
7caa4342 DHG	34	};
	35
	36	struct sh_mobile_meram_cfg {
2a618e03	37	struct sh_mobile_meram_icb_cfg icb[2];
7caa4342 DHG	38	};
7caa4342 DHG	39
6e729b41 LP	40	#if defined(CONFIG_FB_SH_MOBILE_MERAM) \|\| \
6e729b41 LP	41	defined(CONFIG_FB_SH_MOBILE_MERAM_MODULE)
239921ec LP	42	unsigned long sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev,
	43	size_t size);
	44	void sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev,
	45	unsigned long mem, size_t size);
6e729b41 LP	46	void sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info dev,
	47	const struct sh_mobile_meram_cfg *cfg,
	48	unsigned int xres, unsigned int yres,
	49	unsigned int pixelformat,
	50	unsigned int *pitch);
	51	void sh_mobile_meram_cache_free(struct sh_mobile_meram_info dev, void data);
	52	void sh_mobile_meram_cache_update(struct sh_mobile_meram_info dev, void data,
	53	unsigned long base_addr_y,
	54	unsigned long base_addr_c,
	55	unsigned long *icb_addr_y,
	56	unsigned long *icb_addr_c);
	57	#else
239921ec LP	58	static inline unsigned long
	59	sh_mobile_meram_alloc(struct sh_mobile_meram_info *meram_dev, size_t size)
	60	{
	61	return 0;
	62	}
	63
	64	static inline void
	65	sh_mobile_meram_free(struct sh_mobile_meram_info *meram_dev,
	66	unsigned long mem, size_t size)
	67	{
	68	}
	69
6e729b41 LP	70	static inline void *
	71	sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev,
	72	const struct sh_mobile_meram_cfg *cfg,
	73	unsigned int xres, unsigned int yres,
	74	unsigned int pixelformat,
	75	unsigned int *pitch)
	76	{
	77	return ERR_PTR(-ENODEV);
	78	}
	79
	80	static inline void
	81	sh_mobile_meram_cache_free(struct sh_mobile_meram_info dev, void data)
	82	{
	83	}
	84
	85	static inline void
	86	sh_mobile_meram_cache_update(struct sh_mobile_meram_info dev, void data,
cdf88b90 LP	87	unsigned long base_addr_y,
	88	unsigned long base_addr_c,
	89	unsigned long *icb_addr_y,
6e729b41 LP	90	unsigned long *icb_addr_c)
	91	{
	92	}
	93	#endif
7caa4342 DHG	94
7caa4342 DHG	95	#endif /* __VIDEO_SH_MOBILE_MERAM_H__ */