release/src-rt-6.x/linux/linux-2.6/include/asm-m68k/dma.h

   1 #ifndef _M68K_DMA_H
   2 #define _M68K_DMA_H 1
   3
   4
   5 /* it's useless on the m68k, but unfortunately needed by the new
   6    bootmem allocator (but this should do it for this) */
   7 #define MAX_DMA_ADDRESS PAGE_OFFSET
   8
   9 #define MAX_DMA_CHANNELS 8
  10
  11 extern int request_dma(unsigned int dmanr, const char * device_id);     /* reserve a DMA channel */
  12 extern void free_dma(unsigned int dmanr);       /* release it again */
  13
  14 #ifdef CONFIG_PCI
  15 extern int isa_dma_bridge_buggy;
  16 #else
  17 #define isa_dma_bridge_buggy    (0)
  18 #endif
  19
  20 #endif /* _M68K_DMA_H */