46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
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/* 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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