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-rw-r--r--include/asm-h8300/dma.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-h8300/dma.h b/include/asm-h8300/dma.h
new file mode 100644
index 0000000..3708681
--- /dev/null
+++ b/include/asm-h8300/dma.h
@@ -0,0 +1,16 @@
+#ifndef _H8300_DMA_H
+#define _H8300_DMA_H
+
+#include <linux/config.h>
+
+/*
+ * Set number of channels of DMA on ColdFire for different implementations.
+ */
+#define MAX_DMA_CHANNELS 0
+#define MAX_DMA_ADDRESS PAGE_OFFSET
+
+/* These are in kernel/dma.c: */
+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 */
+
+#endif /* _H8300_DMA_H */
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