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      1 /*
      2  * Definitions for ADB (Apple Desktop Bus) support.
      3  */
      4 #ifndef __ADB_H
      5 #define __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 /* __ADB_H */
     45