arch/h8300/include/asm/dma.h

   1 #ifndef _H8300_DMA_H
   2 #define _H8300_DMA_H
   3
   4
   5 /*
   6  * Set number of channels of DMA on ColdFire for different implementations.
   7  */
   8 #define MAX_DMA_CHANNELS 0
   9 #define MAX_DMA_ADDRESS PAGE_OFFSET
  10
  11 /* These are in kernel/dma.c: */
  12 extern int request_dma(unsigned int dmanr, const char *device_id);      /* reserve a DMA channel */
  13 extern void free_dma(unsigned int dmanr);       /* release it again */
  14
  15 #endif /* _H8300_DMA_H */