2014-04-01 21:48:52 +04:00
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/* $NetBSD: apple_smc.h,v 1.3 2014/04/01 17:48:52 riastradh Exp $ */
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2014-04-01 21:47:36 +04:00
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/*
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* Apple System Management Controller Interface
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*/
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/*-
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* Copyright (c) 2013 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Taylor R. Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_IC_APPLE_SMC_H_
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#define _DEV_IC_APPLE_SMC_H_
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#include <sys/types.h>
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struct apple_smc_tag;
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struct apple_smc_attach_args {
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struct apple_smc_tag *asa_smc;
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};
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struct apple_smc_key;
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struct apple_smc_desc {
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uint8_t asd_size;
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char asd_type[4];
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#define APPLE_SMC_TYPE_UINT8 "ui8 "
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#define APPLE_SMC_TYPE_UINT16 "ui16"
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#define APPLE_SMC_TYPE_UINT32 "ui32"
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#define APPLE_SMC_TYPE_SINT8 "si8 "
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#define APPLE_SMC_TYPE_SINT16 "si16"
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#define APPLE_SMC_TYPE_SINT32 "si32"
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#define APPLE_SMC_TYPE_STRING "ch8*"
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#define APPLE_SMC_TYPE_FANDESC "{fds" /* fan description */
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#define APPLE_SMC_TYPE_FPE2 "fpe2" /* fan RPM */
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#define APPLE_SMC_TYPE_SP78 "sp78" /* temperature in a weird scale */
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uint8_t asd_flags;
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#define APPLE_SMC_FLAG_UNKNOWN0 0x01
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#define APPLE_SMC_FLAG_UNKNOWN1 0x02
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#define APPLE_SMC_FLAG_UNKNOWN2 0x04
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#define APPLE_SMC_FLAG_UNKNOWN3 0x08
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#define APPLE_SMC_FLAG_UNKNOWN4 0x10
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#define APPLE_SMC_FLAG_UNKNOWN5 0x20
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#define APPLE_SMC_FLAG_WRITE 0x40
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#define APPLE_SMC_FLAG_READ 0x80
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} __packed;
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uint32_t apple_smc_nkeys(struct apple_smc_tag *);
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int apple_smc_nth_key(struct apple_smc_tag *,
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uint32_t, const char[4 + 1],
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struct apple_smc_key **);
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int apple_smc_named_key(struct apple_smc_tag *,
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const char[4 + 1], const char[4 + 1],
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struct apple_smc_key **);
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void apple_smc_release_key(struct apple_smc_tag *,
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struct apple_smc_key *);
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int apple_smc_key_search(struct apple_smc_tag *, const char[4 + 1],
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uint32_t *);
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const char * apple_smc_key_name(const struct apple_smc_key *);
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uint32_t apple_smc_key_index(const struct apple_smc_key *);
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const struct apple_smc_desc *
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apple_smc_key_desc(const struct apple_smc_key *);
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int apple_smc_read_key(struct apple_smc_tag *,
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const struct apple_smc_key *, void *, uint8_t);
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int apple_smc_read_key_1(struct apple_smc_tag *,
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const struct apple_smc_key *, uint8_t *);
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int apple_smc_read_key_2(struct apple_smc_tag *,
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const struct apple_smc_key *, uint16_t *);
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int apple_smc_read_key_4(struct apple_smc_tag *,
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const struct apple_smc_key *, uint32_t *);
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int apple_smc_write_key(struct apple_smc_tag *,
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const struct apple_smc_key *, const void *, uint8_t);
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int apple_smc_write_key_1(struct apple_smc_tag *,
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const struct apple_smc_key *, uint8_t);
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int apple_smc_write_key_2(struct apple_smc_tag *,
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const struct apple_smc_key *, uint16_t);
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int apple_smc_write_key_4(struct apple_smc_tag *,
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const struct apple_smc_key *, uint32_t);
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#endif /* _DEV_IC_APPLE_SMC_H_ */
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