1 files changed, 75 insertions, 0 deletions
diff --git a/include/asm-m68k/adb.h b/include/asm-m68k/adb.h
new file mode 100644
index 00000000000..9176b55185b
--- /dev/null
+++ b/include/asm-m68k/adb.h
@@ -0,0 +1,75 @@
+/*
+ * Definitions for talking to ADB and CUDA.  The CUDA is a microcontroller
+ * which controls the ADB, system power, RTC, and various other things on
+ * later Macintoshes
+ *
+ * Copyright (C) 1996 Paul Mackerras.
+ */
+
+/* First byte sent to or received from CUDA */
+#define ADB_PACKET	0
+#define CUDA_PACKET	1
+#define ERROR_PACKET	2
+#define TIMER_PACKET	3
+#define POWER_PACKET	4
+#define MACIIC_PACKET	5
+
+/* ADB commands (2nd byte) */
+#define ADB_BUSRESET		0
+#define ADB_FLUSH(id)		(1 + ((id) << 4))
+#define ADB_WRITEREG(id, reg)	(8 + (reg) + ((id) << 4))
+#define ADB_READREG(id, reg)	(0xc + (reg) + ((id) << 4))
+
+/* ADB default device IDs (upper 4 bits of 2nd byte) */
+#define ADB_DONGLE	1	/* "software execution control" devices */
+#define ADB_KEYBOARD	2
+#define ADB_MOUSE	3
+#define ADB_TABLET	4
+#define ADB_MODEM	5
+#define ADB_MISC	7	/* maybe a monitor */
+
+/* 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__
+
+struct adb_request {
+    unsigned char data[16];
+    int nbytes;
+    unsigned char reply[16];
+    int reply_len;
+    unsigned char reply_expected;
+    unsigned char sent;
+    unsigned char got_reply;
+    void (*done)(struct adb_request *);
+    void *arg;
+    struct adb_request *next;
+};
+
+void via_adb_init(void);
+int adb_request(struct adb_request *req,
+		 void (*done)(struct adb_request *), int nbytes, ...);
+int adb_send_request(struct adb_request *req);
+void adb_poll(void);
+int adb_register(int default_id,
+		 void (*handler)(unsigned char *, int, struct pt_regs *));
+
+#endif	/* __KERNEL */