i386/linux/linux-2.3.21/include/asm-arm/memc.h

   1 #define VDMA_ALIGNMENT  PAGE_SIZE
   2 #define VDMA_XFERSIZE   16
   3 #define VDMA_INIT       0
   4 #define VDMA_START      1
   5 #define VDMA_END        2
   6
   7 #ifndef __ASSEMBLER__
   8 extern void memc_write(unsigned int reg, unsigned long val);
   9
  10 #define video_set_dma(start,end,offset)                         \
  11 do {                                                            \
  12         memc_write (VDMA_START, (start >> 2));                  \
  13         memc_write (VDMA_END, (end - VDMA_XFERSIZE) >> 2);      \
  14         memc_write (VDMA_INIT, (offset >> 2));                  \
  15 } while (0)
  16
  17 #endif