xref: /linux/include/uapi/linux/adb.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
1*6f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2607ca46eSDavid Howells /*
3607ca46eSDavid Howells  * Definitions for ADB (Apple Desktop Bus) support.
4607ca46eSDavid Howells  */
5607ca46eSDavid Howells #ifndef _UAPI__ADB_H
6607ca46eSDavid Howells #define _UAPI__ADB_H
7607ca46eSDavid Howells 
8607ca46eSDavid Howells /* ADB commands */
9607ca46eSDavid Howells #define ADB_BUSRESET		0
10607ca46eSDavid Howells #define ADB_FLUSH(id)		(0x01 | ((id) << 4))
11607ca46eSDavid Howells #define ADB_WRITEREG(id, reg)	(0x08 | (reg) | ((id) << 4))
12607ca46eSDavid Howells #define ADB_READREG(id, reg)	(0x0C | (reg) | ((id) << 4))
13607ca46eSDavid Howells 
14607ca46eSDavid Howells /* ADB default device IDs (upper 4 bits of ADB command byte) */
15607ca46eSDavid Howells #define ADB_DONGLE	1	/* "software execution control" devices */
16607ca46eSDavid Howells #define ADB_KEYBOARD	2
17607ca46eSDavid Howells #define ADB_MOUSE	3
18607ca46eSDavid Howells #define ADB_TABLET	4
19607ca46eSDavid Howells #define ADB_MODEM	5
20607ca46eSDavid Howells #define ADB_MISC	7	/* maybe a monitor */
21607ca46eSDavid Howells 
22607ca46eSDavid Howells #define ADB_RET_OK	0
23607ca46eSDavid Howells #define ADB_RET_TIMEOUT	3
24607ca46eSDavid Howells 
25607ca46eSDavid Howells /* The kind of ADB request. The controller may emulate some
26607ca46eSDavid Howells    or all of those CUDA/PMU packet kinds */
27607ca46eSDavid Howells #define ADB_PACKET	0
28607ca46eSDavid Howells #define CUDA_PACKET	1
29607ca46eSDavid Howells #define ERROR_PACKET	2
30607ca46eSDavid Howells #define TIMER_PACKET	3
31607ca46eSDavid Howells #define POWER_PACKET	4
32607ca46eSDavid Howells #define MACIIC_PACKET	5
33607ca46eSDavid Howells #define PMU_PACKET	6
34607ca46eSDavid Howells #define ADB_QUERY	7
35607ca46eSDavid Howells 
36607ca46eSDavid Howells /* ADB queries */
37607ca46eSDavid Howells 
38607ca46eSDavid Howells /* ADB_QUERY_GETDEVINFO
39607ca46eSDavid Howells  * Query ADB slot for device presence
40607ca46eSDavid Howells  * data[2] = id, rep[0] = orig addr, rep[1] = handler_id
41607ca46eSDavid Howells  */
42607ca46eSDavid Howells #define ADB_QUERY_GETDEVINFO	1
43607ca46eSDavid Howells 
44607ca46eSDavid Howells 
45607ca46eSDavid Howells #endif /* _UAPI__ADB_H */
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