diff options
author | obrien <obrien@FreeBSD.org> | 2000-05-28 03:27:49 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2000-05-28 03:27:49 +0000 |
commit | c0f2f68d1f9ca098db87fa6ed8d426d624e9e5fa (patch) | |
tree | 78304d1294caadbf7f386aea6584c069456efb40 /share/man/man4/man4.i386/ppc.4 | |
parent | 8baedda6af2ad29558fc1f25013bd148b4d488f0 (diff) | |
download | FreeBSD-src-c0f2f68d1f9ca098db87fa6ed8d426d624e9e5fa.zip FreeBSD-src-c0f2f68d1f9ca098db87fa6ed8d426d624e9e5fa.tar.gz |
Move adv.4, adw.4, aha.4, ahb.4, bktr.4, bt.4, dpt.4, ed.4, joy.4, ppc.4,
sym.4, and wi.4 to the MI area.
Diffstat (limited to 'share/man/man4/man4.i386/ppc.4')
-rw-r--r-- | share/man/man4/man4.i386/ppc.4 | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/share/man/man4/man4.i386/ppc.4 b/share/man/man4/man4.i386/ppc.4 deleted file mode 100644 index d29eed7..0000000 --- a/share/man/man4/man4.i386/ppc.4 +++ /dev/null @@ -1,131 +0,0 @@ -.\" Copyright (c) 1998, 1999, Nicolas Souchu -.\" All rights reserved. -.\" -.\" 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 AUTHOR 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 AUTHOR 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. -.\" -.\" $FreeBSD$ -.\" -.Dd March 5, 1998 -.Dt PPC 4 i386 -.Os FreeBSD -.Sh NAME -.Nm ppc -.Nd -Parallel port chipset driver -.Sh SYNOPSIS -.Cd "device ppc0 at isa? port? flags 0xXX irq 7" -.Pp -For one or more PPBUS busses: -.Cd "device ppbus at ppc0" -.Sh DESCRIPTION -The -.Nm -driver provides low level support to various parallel port chipsets for the -.Xr ppbus 4 -system. -.Pp -During the probe phase, -.Nm -detects parallel port chipsets and initializes -private data according to their operating mode: COMPATIBLE, -NIBBLE, PS/2, EPP, ECP and other mixed modes. -If a mode is provided at startup through the -.Va flags -variable of the boot -interface, the operating mode of the chipset is forced according to -.Va flags -and the hardware supported modes. -.Pp -During the attach phase, -.Nm -allocates a ppbus structure, initializes it and calls the ppbus -attach function. -.Ss Supported flags -.Bl -item -offset indent -.It -bits 0-3: chipset forced mode(s) -.Bd -literal -PPB_COMPATIBLE 0x0 /* Centronics compatible mode */ -PPB_NIBBLE 0x1 /* reverse 4 bit mode */ -PPB_PS2 0x2 /* PS/2 byte mode */ -PPB_EPP 0x4 /* EPP mode, 32 bit */ -PPB_ECP 0x8 /* ECP mode */ -.Ed -.Pp -And any mixed values. -.It -bit 4: EPP protocol (0 EPP 1.9, 1 EPP 1.7) -.It -bit 5: activate IRQ (1 IRQ disabled, 0 IRQ enabled) -.It -bit 6: disable chipset specific detection -.It -bit 7: disable FIFO detection -.El -.Ss Supported chipsets -Some parallel port chipsets are explicitly supported: -detection and initialisation code has been written according to -their datasheets. -.Bl -bullet -offset indent -.It -SMC FDC37C665GT and FDC37C666GT chipsets -.It -Natsemi PC873xx-family (PC87332 and PC87306) -.It -Winbond W83877xx-family (W83877F and W83877AF) -.It -SMC-like chipsets with mixed modes (see -.Xr ppbus 4 ) -.El -.Ss Adding support to a new chipset -You may want to add support for the newest chipset your motherboard was -sold with. -For the ISA bus, just retrieve the specs of the chipset and write the -corresponding -.Fn ppc_mychipset_detect "" -function. -Then add an entry to the general purpose -.Fn ppc_detect "" -function. -.Pp -Your -.Fn ppc_mychipset_detect "" -function should ensure that if the mode field of the -.Va flags -boot variable is not null, then the operating -mode is forced to the given mode and no other mode is available and -ppb->ppb_avm field contains the available modes of the chipset. -.Sh SEE ALSO -.Xr ppbus 4 , -.Xr ppi 4 -.Sh BUGS -The chipset detection process may corrupt your chipset configuration. -You may -disable chipset specific detection by using the above flags. -.Sh HISTORY -The -.Nm -manual page first appeared in -.Fx 3.0 . -.Sh AUTHORS -This manual page was written by -.An Nicolas Souchu . |