1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Definitions for ADB (Apple Desktop Bus) support.
4 */
5#ifndef _UAPI__ADB_H
6#define _UAPI__ADB_H
7
8/* ADB commands */
9#define ADB_BUSRESET		0
10#define ADB_FLUSH(id)		(0x01 | ((id) << 4))
11#define ADB_WRITEREG(id, reg)	(0x08 | (reg) | ((id) << 4))
12#define ADB_READREG(id, reg)	(0x0C | (reg) | ((id) << 4))
13
14/* ADB default device IDs (upper 4 bits of ADB command byte) */
15#define ADB_DONGLE	1	/* "software execution control" devices */
16#define ADB_KEYBOARD	2
17#define ADB_MOUSE	3
18#define ADB_TABLET	4
19#define ADB_MODEM	5
20#define ADB_MISC	7	/* maybe a monitor */
21
22#define ADB_RET_OK	0
23#define ADB_RET_TIMEOUT	3
24
25/* The kind of ADB request. The controller may emulate some
26   or all of those CUDA/PMU packet kinds */
27#define ADB_PACKET	0
28#define CUDA_PACKET	1
29#define ERROR_PACKET	2
30#define TIMER_PACKET	3
31#define POWER_PACKET	4
32#define MACIIC_PACKET	5
33#define PMU_PACKET	6
34#define ADB_QUERY	7
35
36/* ADB queries */
37
38/* ADB_QUERY_GETDEVINFO
39 * Query ADB slot for device presence
40 * data[2] = id, rep[0] = orig addr, rep[1] = handler_id
41 */
42#define ADB_QUERY_GETDEVINFO	1
43
44
45#endif /* _UAPI__ADB_H */
46