diff options
Diffstat (limited to 'include/asm-m68k/dma.h')
| -rw-r--r-- | include/asm-m68k/dma.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/asm-m68k/dma.h b/include/asm-m68k/dma.h new file mode 100644 index 000000000000..d5266a886226 --- /dev/null +++ b/include/asm-m68k/dma.h @@ -0,0 +1,21 @@ +#ifndef _M68K_DMA_H +#define _M68K_DMA_H 1 + +#include <linux/config.h> + +/* it's useless on the m68k, but unfortunately needed by the new + bootmem allocator (but this should do it for this) */ +#define MAX_DMA_ADDRESS PAGE_OFFSET + +#define MAX_DMA_CHANNELS 8 + +extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */ +extern void free_dma(unsigned int dmanr); /* release it again */ + +#ifdef CONFIG_PCI +extern int isa_dma_bridge_buggy; +#else +#define isa_dma_bridge_buggy (0) +#endif + +#endif /* _M68K_DMA_H */ |