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Linux Cross Reference
Linux/include/asm-m68k/dma.h

Version: ~ [ 2.4.0 ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~ 
  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 */
 22
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