adb.h

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/*
 * Definitions for ADB (Apple Desktop Bus) support.
 */
#ifndef _UAPI__ADB_H
#define _UAPI__ADB_H

/* ADB commands */
#define ADB_BUSRESET        0
#define ADB_FLUSH(id)       (0x01 | ((id) << 4))
#define ADB_WRITEREG(id, reg)   (0x08 | (reg) | ((id) << 4))
#define ADB_READREG(id, reg)    (0x0C | (reg) | ((id) << 4))

/* ADB default device IDs (upper 4 bits of ADB command byte) */
#define ADB_DONGLE  1   /* "software execution control" devices */
#define ADB_KEYBOARD    2
#define ADB_MOUSE   3
#define ADB_TABLET  4
#define ADB_MODEM   5
#define ADB_MISC    7   /* maybe a monitor */

#define ADB_RET_OK  0
#define ADB_RET_TIMEOUT 3

/* The kind of ADB request. The controller may emulate some
   or all of those CUDA/PMU packet kinds */
#define ADB_PACKET  0
#define CUDA_PACKET 1
#define ERROR_PACKET    2
#define TIMER_PACKET    3
#define POWER_PACKET    4
#define MACIIC_PACKET   5
#define PMU_PACKET  6
#define ADB_QUERY   7

/* ADB queries */

/* ADB_QUERY_GETDEVINFO
 * Query ADB slot for device presence
 * data[2] = id, rep[0] = orig addr, rep[1] = handler_id
 */
#define ADB_QUERY_GETDEVINFO    1


#endif /* _UAPI__ADB_H */