include/asm-m68k/dma.h

   1 #ifndef _M68K_DMA_H
   2 #define _M68K_DMA_H 1
   3
   4 #include <linux/config.h>
   5
   6 /* it's useless on the m68k, but unfortunately needed by the new
   7    bootmem allocator (but this should do it for this) */
   8 #define MAX_DMA_ADDRESS PAGE_OFFSET
   9
  10 #define MAX_DMA_CHANNELS 8
  11
  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 #ifdef CONFIG_PCI
  16 extern int isa_dma_bridge_buggy;
  17 #else
  18 #define isa_dma_bridge_buggy    (0)
  19 #endif
  20
  21 #endif /* _M68K_DMA_H */