/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* 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 */