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