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      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