1.\" $NetBSD: tadpmu.4,v 1.2 2020/05/18 16:42:05 wiz Exp $ 2.\" 3.\" Copyright (c) 2020 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Julian Coleman 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd May 16, 2020 31.Dt TADPMU 4 sparc64 32.Os 33.Sh NAME 34.Nm tda 35.Nd Tadpole PMU 36.Sh SYNOPSIS 37.Cd "Tadpole PMU Version 1.33" 38.Sh DESCRIPTION 39The 40.Nm 41driver provides basic support for the Tadpole PMU found in Tadpole SPARCle 42and Viper systems. 43The status of the AC adapter, battery, and fan are reported via the 44.Xr envstat 8 45interface, and AC adapter and lid switch events are reported via the 46.Xr sysmon_pswitch 9 47interface. 48.Sh SEE ALSO 49.Xr envstat 8 50.Sh BUGS 51The battery status is reported by reading the battery voltage. 52Pp. 53The points at which the battery level becomes warning and critical are 54reported by the PMU, but are not directly correlated with battery voltage, 55so might be misreported by the driver. 56