linux-headers (unknown)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3 * Definitions for ADB (Apple Desktop Bus) support.
4 */
5 #ifndef __ADB_H
6 #define __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 /* __ADB_H */
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