diff options
Diffstat (limited to 'static/netbsd/man4/man4.x86/fdc.4')
| -rw-r--r-- | static/netbsd/man4/man4.x86/fdc.4 | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/static/netbsd/man4/man4.x86/fdc.4 b/static/netbsd/man4/man4.x86/fdc.4 new file mode 100644 index 00000000..ec9751ae --- /dev/null +++ b/static/netbsd/man4/man4.x86/fdc.4 @@ -0,0 +1,112 @@ +.\" $NetBSD: fdc.4,v 1.1 2011/09/23 14:45:06 jruoho Exp $ +.\" +.\" Copyright (c) 1996, 1997 The NetBSD Foundation, Inc. +.\" All rights reserved. +.\" +.\" This code is derived from software contributed to The NetBSD Foundation +.\" by John Kohl. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS +.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS +.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +.\" POSSIBILITY OF SUCH DAMAGE. +.\" +.Dd September 23, 2011 +.Dt FDC 4 x86 +.Os +.Sh NAME +.Nm fdc +.Nd NEC 765 floppy disk controller driver +.Sh SYNOPSIS +.Cd "fdc0 at isa? port 0x3f0 irq 6 drq 2" +.Cd "fdc* at acpi?" +.Cd "fdc* at pnpbios? index ?" +.Cd "fd* at fdc? drive ?" +.Sh DESCRIPTION +The +.Nm +driver provides support for the NEC 765 floppy disk controller and +floppy disk drives, commonly found on IBM-PC compatible systems. +.Pp +The driver supports the following floppy diskette formats by using +particular partitions: +.Bl -tag -width xxxx -offset indent -compact +.It 1.44MB 3.5-inch (b) +.It "1.2MB " 5.25-inch (c) +.It "360KB " 5.25-inch (1.2MB drive) (d) +.It "360KB " 5.25-inch (IBM-PC drive) (e) +.It "720KB " 3.5-inch (f) +.It "720KB " 5.25-inch (g) +.It "360KB " 3.5-inch (h) +.El +Partition +.Ar a +selects the default format for the attached floppy drive, as determined +by the BIOS configuration for the diskette drive. +.Sh FORMATTING +The driver supports floppy disk formatting using the interfaces in +.In sys/fdio.h : +.Bl -tag -width FDIOCFORMAT_TRACK -compact +.It Dv FDIOCGETFORMAT Fa struct fdformat_parms +Fetch current formatting parameters. +This gets the default parameters +for the open device if no parameters have been set during the session. +.It Dv FDIOCSETFORMAT Fa struct fdformat_parms +Set formatting parameters. +The driver saves this state and it persists while the device is open. +.It Dv FDIOCFORMAT_TRACK Fa struct fdformat_cmd +Format a track on the medium. +If this call returns +.Er EINVAL , +the track formatting parameters were out of range for the medium. +If it returns +.Er EIO , +there was a medium error while formatting the track. +.It Dv FDIOCSETOPTS Fa int +Set driver options which persist until the device is closed. +The options should be the logical OR of the desired values below: +.Bl -tag -width FDOPT_NORETRY -compact +.It Dv FDOPT_NORETRY +Do not retry operations on failure +.It Dv FDOPT_SILENT +Do not print error messages to the console +.El +.It Dv FDIOCGETOPTS Fa int +Fetch drive options. +.El +.Pp +A typical use of the formatting facilities would be to open the device, +call +.Dv FDIOCGETFORMAT +to fetch the current format parameters, perhaps +change a parameter or two, display the formatting details to the user, +and then call +.Dv FDIOCSETFORMAT +followed by a series of calls to +.Dv FDIOCFORMAT_TRACK . +.Sh SEE ALSO +.Xr fdformat 1 , +.Xr acpi 4 , +.Xr isa 4 , +.Xr pnpbios 4 +.Sh HISTORY +The +.Nm +formatting support appeared in +.Nx 1.3 . |