dma.h 414 B

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