1.\" $NetBSD: gscpcib.4,v 1.7 2017/02/17 22:24:46 christos Exp $ 2.\" $OpenBSD: gscpcib.4,v 1.4 2005/01/20 22:08:01 jmc Exp $ 3.\" 4.\" Copyright (c) 2004 Alexander Yurchenko <grange@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 February 17, 2017 19.Dt GSCPCIB 4 i386 20.Os 21.Sh NAME 22.Nm gscpcib 23.Nd National Semiconductor Geode SC1100 PCI-ISA bridge with GPIO 24.Sh SYNOPSIS 25.Cd "gscpcib* at pci?" 26.Cd "isa* at gscpcib?" 27.Cd "gpio* at gscpcib?" 28.Sh DESCRIPTION 29The 30.Nm 31driver provides support for the National Semiconductor Geode SC1100 32System-on-Chip 33.Tn PCI-ISA 34bridge. 35This device is a 36.Tn PCI-ISA 37bridge, but with some additional sub-devices. 38Besides the core 39.Xr pcib 4 40functionality, the 41.Nm 42driver provides support for the 43.Tn GPIO 44interface of this device. 45.Pp 46The device has 64 I/O pins which can be accessed through the 47.Xr gpio 4 48framework. 49The 50.Xr gpioctl 8 51program provides a convenient way to manipulate these pins from userland. 52.Sh SEE ALSO 53.Xr gpio 4 , 54.Xr i386/intro 4 , 55.Xr isa 4 , 56.Xr pci 4 , 57.Xr pcib 4 , 58.Xr gpioctl 8 59.Sh HISTORY 60The 61.Nm 62driver first appeared in 63.Ox 3.6 64and 65.Nx 4.0 . 66.Sh AUTHORS 67.An -nosplit 68The 69.Nm 70driver was written by 71.An Alexander Yurchenko Aq Mt grange@openbsd.org 72and was ported to 73.Nx 74by 75.An Jared D. McNeill Aq Mt jmcneill@NetBSD.org . 76