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 };
  14
  15
  16 struct sh_mobile_meram_priv;
  17 struct sh_mobile_meram_ops;
  18
  19 struct sh_mobile_meram_info {
  20         int                             addr_mode;
  21         struct sh_mobile_meram_ops      *ops;
  22         struct sh_mobile_meram_priv     *priv;
  23         struct platform_device          *pdev;
  24 };
  25
  26 /* icb config */
  27 struct sh_mobile_meram_icb {
  28         int marker_icb;         /* ICB # for Marker ICB */
  29         int cache_icb;          /* ICB # for Cache ICB */
  30         int meram_offset;       /* MERAM Buffer Offset to use */
  31         int meram_size;         /* MERAM Buffer Size to use */
  32
  33         int cache_unit;         /* bytes to cache per ICB */
  34 };
  35
  36 struct sh_mobile_meram_cfg {
  37         struct sh_mobile_meram_icb      icb[2];
  38         int                             pixelformat;
  39         int                             current_reg;
  40 };
  41
  42 struct module;
  43 struct sh_mobile_meram_ops {
  44         struct module   *module;
  45         /* register usage of meram */
  46         int (*meram_register)(struct sh_mobile_meram_info *meram_dev,
  47                               struct sh_mobile_meram_cfg *cfg,
  48                               int xres, int yres, int pixelformat,
  49                               unsigned long base_addr_y,
  50                               unsigned long base_addr_c,
  51                               unsigned long *icb_addr_y,
  52                               unsigned long *icb_addr_c, int *pitch);
  53
  54         /* unregister usage of meram */
  55         int (*meram_unregister)(struct sh_mobile_meram_info *meram_dev,
  56                                 struct sh_mobile_meram_cfg *cfg);
  57
  58         /* update meram settings */
  59         int (*meram_update)(struct sh_mobile_meram_info *meram_dev,
  60                             struct sh_mobile_meram_cfg *cfg,
  61                             unsigned long base_addr_y,
  62                             unsigned long base_addr_c,
  63                             unsigned long *icb_addr_y,
  64                             unsigned long *icb_addr_c);
  65 };
  66
  67 #endif /* __VIDEO_SH_MOBILE_MERAM_H__  */