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

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/*

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* Definitions for ADB (Apple Desktop Bus) support.

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*/

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#ifndef __ADB_H

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#define __ADB_H

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/* ADB commands */

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#define ADB_BUSRESET 0

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#define ADB_FLUSH(id) (0x01 | ((id) << 4))

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#define ADB_WRITEREG(id, reg) (0x08 | (reg) | ((id) << 4))

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#define ADB_READREG(id, reg) (0x0C | (reg) | ((id) << 4))

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/* ADB default device IDs (upper 4 bits of ADB command byte) */

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#define ADB_DONGLE 1 /* "software execution control" devices */

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#define ADB_KEYBOARD 2

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#define ADB_MOUSE 3

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#define ADB_TABLET 4

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#define ADB_MODEM 5

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#define ADB_MISC 7 /* maybe a monitor */

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#define ADB_RET_OK 0

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#define ADB_RET_TIMEOUT 3

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/* The kind of ADB request. The controller may emulate some

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or all of those CUDA/PMU packet kinds */

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#define ADB_PACKET 0

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#define CUDA_PACKET 1

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#define ERROR_PACKET 2

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#define TIMER_PACKET 3

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#define POWER_PACKET 4

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#define MACIIC_PACKET 5

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#define PMU_PACKET 6

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#define ADB_QUERY 7

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/* ADB queries */

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/* ADB_QUERY_GETDEVINFO

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* Query ADB slot for device presence

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* data[2] = id, rep[0] = orig addr, rep[1] = handler_id

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*/

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#define ADB_QUERY_GETDEVINFO 1

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#endif /* __ADB_H */

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