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-rw-r--r--include/asm-m68k/dma.h21
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 */