1.\" 2.\" Copyright (c) 2002 M. Warner Losh 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. The name of the author may not be used to endorse or promote products 11.\" derived from this software without specific prior written permission. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd July 9, 2002 28.Dt PCCARD 4 29.Os 30.Sh NAME 31.Nm pccard 32.Nd PC Card bus driver 33.Sh SYNOPSIS 34.Cd device pccard 35.Sh DESCRIPTION 36The 37.Nm 38driver implements the PC Card bus. 39The 40.Nm 41driver supports all PC Card bridges in the system. 42.Sh TUNABLES 43The driver supports the following tunable parameters, which may be 44added to 45.Pa /boot/loader.conf 46or set via the 47.Xr sysctl 8 48command: 49.Bl -tag -width ".Cm hw.pccard.cis_debug" -compact 50.It Cm hw.pccard.debug 51Non-zero values cause more verbose information to be printed when a 5216-bit PC Card is inserted or removed. 53.It Cm hw.pccard.cis_debug 54Non-zero value causes the CIS parsing of the 16-bit PC Card to be much 55more verbose and include a complete CIS dump. 56.El 57.Sh FILES 58.Bl -tag -width ".Pa /dev/pccard0.cis" -compact 59.It Pa /dev/pccard0.cis 60This exclusive-use device will report all the CIS chains present in a 61PC Card, if a 16-bit PC Card is inserted in the slot. 62Only one user at a time may access the CIS. 63The CIS is presented as the relevant byte stream from the PC Card. 64For CIS tuples in Attribute Memory (the default), only the even 65locations are presented (the ODD locations are undefined per the 66standard). 67For CIS tuples in Common Memory, every byte is presented to the user. 68Decoding of the CIS tuples is done via a userland program. 69All tuples are presented to the user. 70.El 71.Sh SEE ALSO 72.Xr cardbus 4 , 73.\" .Xr mecia 4 , 74.Xr pccbb 4 75.\" .Xr tcic 4 76.Rs 77.%T "PC Card Standard, Release 8" 78.Re 79