xref: /freebsd/sys/dev/adb/adb.h (revision ab40f58ccfe6c07ebefddc72f4661a52fe746353)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (C) 2008 Nathan Whitehorn
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef	_POWERPC_ADB_H_
31 #define	_POWERPC_ADB_H_
32 
33 #include "adb_hb_if.h"
34 #include "adb_if.h"
35 
36 enum {
37 	ADB_COMMAND_FLUSH	= 0,
38 	ADB_COMMAND_LISTEN	= 2,
39 	ADB_COMMAND_TALK	= 3,
40 };
41 
42 enum {
43 	ADB_DEVICE_DONGLE	= 0x01,
44 	ADB_DEVICE_KEYBOARD	= 0x02,
45 	ADB_DEVICE_MOUSE	= 0x03,
46 	ADB_DEVICE_TABLET	= 0x04,
47 	ADB_DEVICE_MODEM	= 0x05,
48 
49 	ADB_DEVICE_MISC		= 0x07
50 };
51 
52 struct adb_devinfo {
53 	uint8_t address;
54 	uint8_t default_address;
55 	uint8_t handler_id;
56 
57 	uint16_t register3;
58 };
59 
60 /* Pass packets down through the bus manager */
61 u_int adb_send_packet(device_t dev, u_char command, u_char reg, int len,
62     u_char *data);
63 u_int adb_set_autopoll(device_t dev, u_char enable);
64 
65 /* Pass packets up from the interface */
66 u_int adb_receive_raw_packet(device_t dev, u_char status, u_char command,
67     int len, u_char *data);
68 
69 uint8_t adb_get_device_type(device_t dev);
70 uint8_t adb_get_device_handler(device_t dev);
71 uint8_t adb_set_device_handler(device_t dev, uint8_t newhandler);
72 
73 size_t	adb_read_register(device_t dev, u_char reg, void *data);
74 size_t	adb_write_register(device_t dev, u_char reg, size_t len, void *data);
75 
76 /* Bits for implementing ADB host bus adapters */
77 extern devclass_t adb_devclass;
78 extern driver_t adb_driver;
79 
80 #endif
81 
82