1.\" $NetBSD: ustir.4,v 1.2 2002/01/04 01:23:26 wiz Exp $ 2.\" 3.\" Copyright (c) 2001 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by David Sainty <David.Sainty@dtsp.co.nz> 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.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the NetBSD 20.\" Foundation, Inc. and its contributors. 21.\" 4. Neither the name of The NetBSD Foundation nor the names of its 22.\" contributors may be used to endorse or promote products derived 23.\" from this software without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35.\" POSSIBILITY OF SUCH DAMAGE. 36.\" 37.Dd December 24, 2001 38.Dt USTIR 4 39.Os 40.Sh NAME 41.Nm ustir 42.Nd SigmaTel STIr4200-based USB-IrDA bridge support 43.Sh SYNOPSIS 44.Cd "ustir* at uhub?" 45.Cd "irframe* at ustir?" 46.Sh DESCRIPTION 47The 48.Nm 49driver provides support for USB-IrDA bridges based on the SigmaTel STIr4200. 50The driver is known to work with the following adapters: 51.Pp 52.Bl -item -offset indent -compact 53.It 54.Tn Mars II 740 USB IrDA Adapter 55.El 56.Pp 57Access to the IrDA device is through the 58.Xr irframe 4 59driver. 60.Sh SEE ALSO 61.Xr irframe 4 , 62.Xr uirda 4 , 63.Xr usb 4 64.Sh HISTORY 65The 66.Nm 67driver 68appeared in 69.Nx 1.6 . 70.Sh AUTHORS 71The 72.Nm 73driver was written by 74.An David Sainty Aq David.Sainty@dtsp.co.nz . 75.Sh BUGS 76The STIr4200 cannot notify the driver when it has received data, instead it 77has to be continuously polled. This driver polls (when idle) at a fairly low 78rate of 10 times per second, which means that system performance is not overly 79affected by rapid polling, but latency is fairly high. 80