diff --git a/include/linux/cuda.h b/include/linux/cuda.h
new file mode 100644
index 0000000..6a3e638
--- /dev/null
+++ b/include/linux/cuda.h
@@ -0,0 +1,36 @@
+/*
+ * Definitions for talking to the CUDA.  The CUDA is a microcontroller
+ * which controls the ADB, system power, RTC, and various other things.
+ *
+ * Copyright (C) 1996 Paul Mackerras.
+ */
+
+/* CUDA commands (2nd byte) */
+#define CUDA_WARM_START		0
+#define CUDA_AUTOPOLL		1
+#define CUDA_GET_6805_ADDR	2
+#define CUDA_GET_TIME		3
+#define CUDA_GET_PRAM		7
+#define CUDA_SET_6805_ADDR	8
+#define CUDA_SET_TIME		9
+#define CUDA_POWERDOWN		0xa
+#define CUDA_POWERUP_TIME	0xb
+#define CUDA_SET_PRAM		0xc
+#define CUDA_MS_RESET		0xd
+#define CUDA_SEND_DFAC		0xe
+#define CUDA_RESET_SYSTEM	0x11
+#define CUDA_SET_IPL		0x12
+#define CUDA_SET_AUTO_RATE	0x14
+#define CUDA_GET_AUTO_RATE	0x16
+#define CUDA_SET_DEVICE_LIST	0x19
+#define CUDA_GET_DEVICE_LIST	0x1a
+#define CUDA_GET_SET_IIC	0x22
+
+#ifdef __KERNEL__
+
+extern int find_via_cuda(void);
+extern int cuda_request(struct adb_request *req,
+			void (*done)(struct adb_request *), int nbytes, ...);
+extern void cuda_poll(void);
+
+#endif	/* __KERNEL */