1.\" $NetBSD: uxrcom.4,v 1.4 2020/04/13 11:17:27 simonb Exp $ 2.\" $OpenBSD: uxrcom.4,v 1.1 2019/03/27 22:11:21 kettenis Exp $ 3.\" 4.\" Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org> 5.\" 6.\" Permission to use, copy, modify, and distribute this software for any 7.\" purpose with or without fee is hereby granted, provided that the above 8.\" copyright notice and this permission notice appear in all copies. 9.\" 10.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17.\" 18.Dd April 12, 2020 19.Dt UXRCOM 4 20.Os 21.Sh NAME 22.Nm uxrcom 23.Nd Exar XR21V141x USB serial adapter 24.Sh SYNOPSIS 25.Cd "uxrcom* at uhub?" 26.Cd "ucom* at uxrcom?" 27.Sh HARDWARE 28The 29.Nm 30driver supports serial adapters based on the 31XR21V1410, XR21V1412, and XR21V1414 chipsets. 32Devices range from single port to eight port (implemented as a 33USB hub and two 34.Nm 35four port instances behind it). 36Examples of hardware known to work with this driver are: 37.Pp 38.Bl -tag -width Dv -offset indent -compact 39.It Gearmo GM-U28RS232 8 Port USB to Serial DB9 RS232 Adapter 40.El 41.Sh DESCRIPTION 42The 43.Nm 44driver attaches the Exar XR21V141x multiport chipset with individual 45port drivers via 46.Xr ucom 4 , 47which makes it behave like a 48.Xr tty 4 . 49.Sh SEE ALSO 50.Xr tty 4 , 51.Xr ucom 4 , 52.Xr uhub 4 , 53.Xr umodem 4 , 54.Xr usb 4 55.Sh HISTORY 56The 57.Nm 58device driver first appeared in 59.Ox 6.5 60and in 61.Nx 9.1 . 62.Sh AUTHORS 63.An -nosplit 64The 65.Nm 66driver for the single port XR21V1410 was written by 67.An Mark Kettenis Aq Mt kettenis@openbsd.org . 68The multi-port 69.Nx 70driver is based on the 71.Ox 72driver but uses the common 73.Xr umodem 4 74framework. 75The 76.Nx 77driver was written by 78by 79.An Simon Burge 80.Aq Mt simonb@NetBSD.org . 81