text: #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__  */
  