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C/C++ Source or Header  |  2008-12-24  |  414 b   |  16 lines
  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 */
  16.