include/video/sh_mobile_meram.h

   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 struct sh_mobile_meram_ops;
  19
  20 /*
  21  * struct sh_mobile_meram_info - MERAM platform data
  22  * @reserved_icbs: Bitmask of reserved ICBs (for instance used through UIO)
  23  */
  24 struct sh_mobile_meram_info {
  25         int                             addr_mode;
  26         u32                             reserved_icbs;
  27         struct sh_mobile_meram_ops      *ops;
  28         struct sh_mobile_meram_priv     *priv;
  29         struct platform_device          *pdev;
  30 };
  31
  32 /* icb config */
  33 struct sh_mobile_meram_icb_cfg {
  34         unsigned int meram_size;        /* MERAM Buffer Size to use */
  35 };
  36
  37 struct sh_mobile_meram_cfg {
  38         struct sh_mobile_meram_icb_cfg icb[2];
  39 };
  40
  41 struct module;
  42 struct sh_mobile_meram_ops {
  43         struct module   *module;
  44
  45         /* LCDC cache management */
  46         void *(*cache_alloc)(struct sh_mobile_meram_info *meram_dev,
  47                              const struct sh_mobile_meram_cfg *cfg,
  48                              unsigned int xres, unsigned int yres,
  49                              unsigned int pixelformat, unsigned int *pitch);
  50         void (*cache_free)(struct sh_mobile_meram_info *meram_dev, void *data);
  51         void (*cache_update)(struct sh_mobile_meram_info *meram_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 };
  57
  58 #endif /* __VIDEO_SH_MOBILE_MERAM_H__  */