54 lines
2.1 KiB
C
54 lines
2.1 KiB
C
/* $NetBSD: g760areg.h,v 1.1 2010/10/02 06:07:37 kiyohara Exp $ */
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/*-
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* Copyright (C) 2008 A.Leo.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_I2C_G760aREG_H_
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#define _DEV_I2C_G760aREG_H_
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#define G760A_ADDR 0x3e
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#define G760A_REG_SET_CNT 0x00 /* RW, Programmed fan speed
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register, it contains the
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count number of the
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desired fan speed. */
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#define G760A_REG_ACT_CNT 0x01 /* RO, Actual fan speed. */
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#define G760A_REG_FAN_STA 0x02 /* RO, Fan status. */
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#define G760A_REG_FAN_STA_MASK 0x03u /* 2 lower bits */
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#define G760A_CLK 32768
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#define G760A_P 2
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#define G760A_N2RPM(a) (G760A_CLK*30/G760A_P/(a))
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#define G760A_RPM2N(a) (G760A_CLK*30/G760A_P/(a)) /* wow */
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#endif /* !_DEV_I2C_G760AREG_H_ */
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