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 marker_icb;        /* ICB # for Marker ICB */
  35         unsigned int cache_icb;         /* ICB # for Cache ICB */
  36         unsigned int meram_size;        /* MERAM Buffer Size to use */
  37 };
  38
  39 struct sh_mobile_meram_cfg {
  40         struct sh_mobile_meram_icb_cfg icb[2];
  41 };
  42
  43 struct module;
  44 struct sh_mobile_meram_ops {
  45         struct module   *module;
  46         /* register usage of meram */
  47         void *(*meram_register)(struct sh_mobile_meram_info *meram_dev,
  48                                 const struct sh_mobile_meram_cfg *cfg,
  49                                 unsigned int xres, unsigned int yres,
  50                                 unsigned int pixelformat,
  51                                 unsigned long base_addr_y,
  52                                 unsigned long base_addr_c,
  53                                 unsigned long *icb_addr_y,
  54                                 unsigned long *icb_addr_c,
  55                                 unsigned int *pitch);
  56
  57         /* unregister usage of meram */
  58         int (*meram_unregister)(struct sh_mobile_meram_info *meram_dev,
  59                                 void *data);
  60
  61         /* update meram settings */
  62         int (*meram_update)(struct sh_mobile_meram_info *meram_dev,
  63                             void *data,
  64                             unsigned long base_addr_y,
  65                             unsigned long base_addr_c,
  66                             unsigned long *icb_addr_y,
  67                             unsigned long *icb_addr_c);
  68 };
  69
  70 #endif /* __VIDEO_SH_MOBILE_MERAM_H__  */