1.\" 2.\" Copyright (c) 2002 M. Warner Losh <imp@FreeBSD.org> 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. The name of the author may not be used to endorse or promote products 10.\" derived from this software without specific prior written permission. 11.\" 12.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 13.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 15.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 16.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 18.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 19.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 20.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 22.\" SUCH DAMAGE. 23.\" 24.\" $FreeBSD$ 25.\" 26.Dd July 9, 2002 27.Dt PCCARD 4 28.Os 29.Sh NAME 30.Nm pccard 31.Nd PC Card bus driver 32.Sh SYNOPSIS 33.Cd device pccard 34.Sh DESCRIPTION 35The 36.Nm 37driver implements the PC Card bus. 38The 39.Nm 40driver supports all PC Card bridges in the system. 41.Sh TUNABLES 42The driver supports the following tunable parameters, which may be 43added to 44.Pa /boot/loader.conf 45or set via the 46.Xr sysctl 8 47command: 48.Bl -tag -width ".Cm hw.pccard.cis_debug" -compact 49.It Cm hw.pccard.debug 50Non-zero values cause more verbose information to be printed when a 5116-bit PC Card is inserted or removed. 52.It Cm hw.pccard.cis_debug 53Non-zero value causes the CIS parsing of the 16-bit PC Card to be much 54more verbose and include a complete CIS dump. 55.El 56.Sh FILES 57.Bl -tag -width ".Pa /dev/pccard0.cis" -compact 58.It Pa /dev/pccard0.cis 59This exclusive-use device will report all the CIS chains present in a 60PC Card, if a 16-bit PC Card is inserted in the slot. 61Only one user at a time may access the CIS. 62The CIS is presented as the relevant byte stream from the PC Card. 63For CIS tuples in Attribute Memory (the default), only the even 64locations are presented (the ODD locations are undefined per the 65standard). 66For CIS tuples in Common Memory, every byte is presented to the user. 67Decoding of the CIS tuples is done via a userland program. 68All tuples are presented to the user. 69.El 70.Sh SEE ALSO 71.Xr cardbus 4 , 72.\" .Xr mecia 4 , 73.Xr pccbb 4 74.\" .Xr tcic 4 75.Rs 76.%T "PC Card Standard, Release 8" 77.Re 78