1.\" $OpenBSD: gscpcib.4,v 1.9 2013/07/16 16:05:49 schwarze Exp $ 2.\" 3.\" Copyright (c) 2004 Alexander Yurchenko <grange@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: July 16 2013 $ 18.Dt GSCPCIB 4 i386 19.Os 20.Sh NAME 21.Nm gscpcib 22.Nd National Semiconductor Geode SC1100 PCI-ISA bridge with GPIO 23.Sh SYNOPSIS 24.Cd "gscpcib* at pci?" 25.Cd "isa* at gscpcib?" 26.Cd "gpio* at gscpcib?" 27.Sh DESCRIPTION 28The 29.Nm 30driver provides support for the National Semiconductor Geode SC1100 31System-on-Chip 32.Tn PCI-ISA 33bridge. 34This device is a 35.Tn PCI-ISA 36bridge, but with some additional sub-devices. 37Besides the core functionality, the 38.Nm 39driver provides support for the 40.Tn GPIO 41interface of this device. 42.Pp 43The device has 64 I/O pins which can be accessed 44through the 45.Xr gpio 4 46framework. 47The 48.Xr gpioctl 8 49program provides a convenient way to manipulate these pins from userland. 50.Sh SEE ALSO 51.Xr gpio 4 , 52.Xr intro 4 , 53.Xr isa 4 , 54.Xr pci 4 , 55.Xr gpioctl 8 56.Sh HISTORY 57The 58.Nm 59driver first appeared in 60.Ox 3.6 . 61.Sh AUTHORS 62The 63.Nm 64driver was written by 65.An Alexander Yurchenko Aq Mt grange@openbsd.org . 66