xref: /freebsd/sys/dev/adb/adb.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 
28 #ifndef	_POWERPC_ADB_H_
29 #define	_POWERPC_ADB_H_
30 
31 #include "adb_hb_if.h"
32 #include "adb_if.h"
33 
34 enum {
35 	ADB_COMMAND_FLUSH	= 0,
36 	ADB_COMMAND_LISTEN	= 2,
37 	ADB_COMMAND_TALK	= 3,
38 };
39 
40 enum {
41 	ADB_DEVICE_DONGLE	= 0x01,
42 	ADB_DEVICE_KEYBOARD	= 0x02,
43 	ADB_DEVICE_MOUSE	= 0x03,
44 	ADB_DEVICE_TABLET	= 0x04,
45 	ADB_DEVICE_MODEM	= 0x05,
46 
47 	ADB_DEVICE_MISC		= 0x07
48 };
49 
50 struct adb_devinfo {
51 	uint8_t address;
52 	uint8_t default_address;
53 	uint8_t handler_id;
54 
55 	uint16_t register3;
56 };
57 
58 /* Pass packets down through the bus manager */
59 u_int adb_send_packet(device_t dev, u_char command, u_char reg, int len,
60     u_char *data);
61 u_int adb_set_autopoll(device_t dev, u_char enable);
62 
63 /* Pass packets up from the interface */
64 u_int adb_receive_raw_packet(device_t dev, u_char status, u_char command,
65     int len, u_char *data);
66 
67 uint8_t adb_get_device_type(device_t dev);
68 uint8_t adb_get_device_handler(device_t dev);
69 uint8_t adb_set_device_handler(device_t dev, uint8_t newhandler);
70 
71 size_t	adb_read_register(device_t dev, u_char reg, void *data);
72 size_t	adb_write_register(device_t dev, u_char reg, size_t len, void *data);
73 
74 /* Bits for implementing ADB host bus adapters */
75 extern driver_t adb_driver;
76 
77 #endif
78