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.Dd August 18, 2020 25.Dt PCCARD 4 26.Os 27.Sh NAME 28.Nm pccard 29.Nd PC Card bus driver 30.Sh SYNOPSIS 31.Cd device pccard 32.Sh DEPRECATION NOTICE 33This driver is scheduled for removal prior to the release of 34.Fx 13.0 . 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