1.\" $NetBSD: lmenv.4,v 1.1 2013/10/15 19:14:41 jdc Exp $ 2.\" 3.\" This code is derived from software contributed to The NetBSD Foundation 4.\" by Julian Coleman. 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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 15.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 16.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 18.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24.\" POSSIBILITY OF SUCH DAMAGE. 25.\" 26.Dd October 14, 2013 27.Dt LMENV 4 28.Os 29.Sh NAME 30.Nm lmenv 31.Nd National Semiconductor LM81, LM87, and compatible hardware monitors 32.Sh SYNOPSIS 33.Cd "lmenv0 at iic0 addr 0x2c: ADM9240 rev 2" 34.Sh DESCRIPTION 35The 36.Nm 37driver provides support for the 38.Tn National Semiconductor 39LM87, 40.Tn National Semiconductor 41LM81, 42.Tn Analog Devices 43ADM9240, and 44.Tn Dallas Semiconductor 45DS1780 iicbus hardware monitors. 46Sensor values are reported through the 47.Xr envstat 8 48interface. 49.Pp 50The 51.Nm 52supports the following voltage, temperature, and fan speed sensors: 53.Bl -column "+5Vin/Vcc" "Temperature" -offset indent 54.It Sy "Sensor" Ta "Type" 55.It Li "+2.5Vin" Ta "Volts DC" 56.It Li "Vccp1" Ta "Volts DC" 57.It Li "+Vcc" Ta "Volts DC" 58.It Li "+5Vin/Vcc" Ta "Volts DC" 59.It Li "+12Vin" Ta "Volts DC" 60.It Li "Vccp2" Ta "Volts DC" 61.It Li "External" Ta "Temperature" 62.It Li "Internal" Ta "Temperature" 63.It Li "FAN1" Ta "Speed" 64.It Li "FAN2" Ta "Speed" 65.El 66On the LM87 monitor, AIN1 and AIN2 Volts DC sensors may replace either, 67or both of the FAN1 and FAN2 speed sensors, respectively. 68.Sh SEE ALSO 69.Xr envsys 4 , 70.Xr envstat 8 71.Sh HISTORY 72The 73.Nm 74driver first appeared in 75.Ox 3.9 . 76.Nx 77support was added in 78.Nx 7.0 . 79.Sh AUTHORS 80The 81.Nm 82driver was written for 83.Ox 84by 85.An Mark Kettenis 86.Aq kettenis@openbsd.org , 87and ported to 88.Nx 89by 90.An Julian Coleman 91.Aq jdc@NetBSD.org . 92.Sh BUGS 93High and low sensor limits are not supported. 94.Pp 95Interrupt support is not implemented. 96