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