Add ADB support. This provides support for the external ADB bus on the PowerMac

G3 as well as the internal ADB keyboard and mice in PowerBooks and iBooks. This
also brings in Mac GPIO support, for which we should eventually have a better
interface.

Obtained from:  NetBSD (CUDA and PMU drivers)

1 files changed, 78 insertions, 0 deletions

diff --git a/sys/dev/adb/adb.h b/sys/dev/adb/adb.h
new file mode 100644
index 0000000..8d68a87
--- /dev/null
+++ b/sys/dev/adb/adb.h
@@ -0,0 +1,78 @@
+/*-
+ * Copyright (C) 2008 Nathan Whitehorn
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef	_POWERPC_ADB_H_
+#define	_POWERPC_ADB_H_
+
+#include "adb_hb_if.h"
+#include "adb_if.h"
+
+enum {
+	ADB_COMMAND_FLUSH	= 0,
+	ADB_COMMAND_LISTEN	= 2,
+	ADB_COMMAND_TALK	= 3,
+};
+
+enum {
+	ADB_DEVICE_DONGLE	= 0x01,
+	ADB_DEVICE_KEYBOARD	= 0x02,
+	ADB_DEVICE_MOUSE	= 0x03,
+	ADB_DEVICE_TABLET	= 0x04,
+	ADB_DEVICE_MODEM	= 0x05,
+	
+	ADB_DEVICE_MISC		= 0x07
+};
+
+struct adb_devinfo {
+	uint8_t address;
+	uint8_t default_address;
+	uint8_t handler_id;
+
+	uint16_t register3;
+};
+
+/* Pass packets down through the bus manager */
+u_int adb_send_packet(device_t dev, u_char command, u_char reg, int len, 
+    u_char *data);
+u_int adb_set_autopoll(device_t dev, u_char enable);
+
+/* Pass packets up from the interface */
+u_int adb_receive_raw_packet(device_t dev, u_char status, u_char command, 
+    int len, u_char *data);
+
+uint8_t adb_get_device_type(device_t dev);
+uint8_t adb_get_device_handler(device_t dev);
+uint8_t adb_set_device_handler(device_t dev, uint8_t newhandler);
+
+uint8_t adb_read_register(device_t dev, u_char reg, size_t *len, void *data);
+
+/* Bits for implementing ADB host bus adapters */
+extern devclass_t adb_devclass;
+extern driver_t adb_driver;
+
+#endif
+