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/*

 * Definitions for ADB (Apple Desktop Bus) support.

 */

#ifndef __ADB_H

#define __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 /* __ADB_H */