drivers/video/sh_mobile_meram.h

   1 #ifndef __sh_mobile_meram_h__
   2 #define __sh_mobile_meram_h__
   3
   4 #include <linux/mutex.h>
   5 #include <video/sh_mobile_meram.h>
   6
   7 /*
   8  * MERAM private
   9  */
  10
  11 #define MERAM_ICB_Y 0x1
  12 #define MERAM_ICB_C 0x2
  13
  14 /* MERAM cache size */
  15 #define SH_MOBILE_MERAM_ICB_NUM         32
  16
  17 #define SH_MOBILE_MERAM_CACHE_OFFSET(p) ((p) >> 16)
  18 #define SH_MOBILE_MERAM_CACHE_SIZE(p)   ((p) & 0xffff)
  19
  20 struct sh_mobile_meram_priv {
  21         void __iomem    *base;
  22         struct mutex    lock;
  23         unsigned long   used_icb;
  24         int             used_meram_cache_regions;
  25         unsigned long   used_meram_cache[SH_MOBILE_MERAM_ICB_NUM];
  26 };
  27
  28 int sh_mobile_meram_alloc_icb(const struct sh_mobile_meram_cfg *cfg,
  29                    int xres,
  30                    int yres,
  31                    unsigned int base_addr,
  32                    int yuv_mode,
  33                    int *marker_icb,
  34                    int *out_pitch);
  35
  36 void sh_mobile_meram_free_icb(int marker_icb);
  37
  38 #define SH_MOBILE_MERAM_START(ind, ab) \
  39         (0xC0000000 | ((ab & 0x1) << 23) | ((ind & 0x1F) << 24))
  40
  41 #endif /* !__sh_mobile_meram_h__ */