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