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-rw-r--r--include/asm-m68k/adb.h75
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 000000000000..9176b55185bb
--- /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 */