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-rw-r--r--arch/arm/mach-at91/include/mach/atmel-mci.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/atmel-mci.h b/arch/arm/mach-at91/include/mach/atmel-mci.h
new file mode 100644
index 00000000000..998cb0c0713
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/atmel-mci.h
@@ -0,0 +1,24 @@
+#ifndef __MACH_ATMEL_MCI_H
+#define __MACH_ATMEL_MCI_H
+
+#include <mach/at_hdmac.h>
+
+/**
+ * struct mci_dma_data - DMA data for MCI interface
+ */
+struct mci_dma_data {
+ struct at_dma_slave sdata;
+};
+
+/* accessor macros */
+#define slave_data_ptr(s) (&(s)->sdata)
+#define find_slave_dev(s) ((s)->sdata.dma_dev)
+
+#define setup_dma_addr(s, t, r) do { \
+ if (s) { \
+ (s)->sdata.tx_reg = (t); \
+ (s)->sdata.rx_reg = (r); \
+ } \
+} while (0)
+
+#endif /* __MACH_ATMEL_MCI_H */