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      1 /*	$NetBSD: g760areg.h,v 1.1 2010/10/02 06:07:37 kiyohara Exp $	*/
      2 
      3 /*-
      4  * Copyright (C) 2008 A.Leo.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 
     30 #ifndef _DEV_I2C_G760aREG_H_
     31 #define _DEV_I2C_G760aREG_H_
     32 
     33 #define	G760A_ADDR			0x3e
     34 
     35 #define	G760A_REG_SET_CNT		0x00	/* RW, Programmed fan speed
     36 						   register, it contains the
     37 						   count number of the
     38 						   desired fan speed. */
     39 
     40 #define	G760A_REG_ACT_CNT		0x01	/* RO, Actual fan speed. */
     41 #define	G760A_REG_FAN_STA		0x02	/* RO, Fan status. */
     42 #define G760A_REG_FAN_STA_MASK		0x03u	/* 2 lower bits */
     43 
     44 #define G760A_CLK			32768
     45 #define G760A_P				2
     46 
     47 
     48 
     49 #define G760A_N2RPM(a)			(G760A_CLK*30/G760A_P/(a))
     50 #define G760A_RPM2N(a)			(G760A_CLK*30/G760A_P/(a))     /* wow */
     51 
     52 
     53 #endif /* !_DEV_I2C_G760AREG_H_ */
     54