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Ben Cheng30692c62013-10-15 18:26:18 -07001/*
2 * Definitions for ADB (Apple Desktop Bus) support.
3 */
4#ifndef _UAPI__ADB_H
5#define _UAPI__ADB_H
6
7/* ADB commands */
8#define ADB_BUSRESET 0
9#define ADB_FLUSH(id) (0x01 | ((id) << 4))
10#define ADB_WRITEREG(id, reg) (0x08 | (reg) | ((id) << 4))
11#define ADB_READREG(id, reg) (0x0C | (reg) | ((id) << 4))
12
13/* ADB default device IDs (upper 4 bits of ADB command byte) */
14#define ADB_DONGLE 1 /* "software execution control" devices */
15#define ADB_KEYBOARD 2
16#define ADB_MOUSE 3
17#define ADB_TABLET 4
18#define ADB_MODEM 5
19#define ADB_MISC 7 /* maybe a monitor */
20
21#define ADB_RET_OK 0
22#define ADB_RET_TIMEOUT 3
23
24/* The kind of ADB request. The controller may emulate some
25 or all of those CUDA/PMU packet kinds */
26#define ADB_PACKET 0
27#define CUDA_PACKET 1
28#define ERROR_PACKET 2
29#define TIMER_PACKET 3
30#define POWER_PACKET 4
31#define MACIIC_PACKET 5
32#define PMU_PACKET 6
33#define ADB_QUERY 7
34
35/* ADB queries */
36
37/* ADB_QUERY_GETDEVINFO
38 * Query ADB slot for device presence
39 * data[2] = id, rep[0] = orig addr, rep[1] = handler_id
40 */
41#define ADB_QUERY_GETDEVINFO 1
42
43
44#endif /* _UAPI__ADB_H */