RC(4) BSD Kernel Interfaces Manual RC(4)NAME
rc -- RISCom/8 multiport card
SYNOPSIS
device isa
device rc
DESCRIPTION
The RISCom/8 is an eight port ISA RS-232C communications multiplexer with a built in RISC processor. It uses a block of sixteen I/O ports in
the range 0x200 to 0x3f0 selectable by on-board switches or jumpers. The block must be aligned on a sixteen port boundary. The jumper-
selectable hardware interrupt level may be set to be detected during system initialization using settings found in the /boot/device.hints
file.
This driver is mostly based on the Cirrus Logic CL-CD180 driver.
HARDWARE
The rc driver provides support for the SDL Communications RISCom/8 boards.
DIAGNOSTICS
The following driver specific error messages may be reported:
rc%d channel%d: interrupt-level buffer overflow An internal buffer overflow error has occurred on the listed channel. The rc driver will
need to be reloaded to correct this.
rc%d: Bad char chan %d The channel has obtained a bad set of characters.
rc%d: Got extra chars chan %d The rc driver got more characters than expected on the channel shown.
rc%d: data mismatch chan %d ptr %d (%d != %d) Data sent from channel %d to the rx buffer was different then expected.
rc%d: channel %d command timeout, rc.c line: %d A command timeout has occurred on the channel, the src/sys/dev/rc/rc.c file can be consulted
for more information.
SEE ALSO tty(1), ttyname(3), sio(4), tty(4), device.hints(5), comcontrol(8), getty(8), mutex(9), splx(9)
http://www.sdlcomm.com
HISTORY
The rc driver first appeared in FreeBSD 2.0.5. This manual page first appeared in FreeBSD 5.3.
AUTHORS
This manual page was written by Tom Rhodes <trhodes@FreeBSD.org>.
BUGS
The rc driver code still uses the spl(9) functions. These should be replaced by mutex(9) functions.
The various ttyld_*() functions should be documented.
BSD March 18, 2005 BSD
Check Out this Related Man Page
CTAU(4) BSD/i386 Kernel Interfaces Manual CTAU(4)NAME
ctau -- driver for synchronous Cronyx Tau WAN adapters
SYNOPSIS
device ctau
Additional options:
device sppp
options NETGRAPH
options NETGRAPH_CRONYX
In /boot/device.hints:
hint.ctau.0.at="isa"
hint.ctau.0.port="0x240"
hint.ctau.0.irq="15"
hint.ctau.0.drq="7"
DESCRIPTION
The ctau driver needs either sppp(4) or netgraph(4). Which one to use is determined by the NETGRAPH_CRONYX option. If this option is
present in your kernel configuration file, the ctau driver will be compiled with netgraph(4) support. Otherwise, it will be compiled with
sppp(4) support.
The base I/O port address specified in /boot/device.hints must match the port address set by the jumpers on the board. The DMA I/O channel
and interrupt request numbers are configured by software at adapter initialization. Legal values are:
Port: 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0
IRQ: 3, 5, 7, 10, 11, 12, 15
DMA: 5, 6, 7
The ctau driver supports autodetection. As for all non-PNP hardware, using autodetection could lead to some potential problems with other
devices during the hardware detection process. It is always better to specify hardware resources manually.
Refer to sconfig(8) for information about the ctau adapter configuration.
HARDWARE
The ctau driver supports the following cards:
o Cronyx Tau (RS-232/V.35)
o Cronyx Tau/R (RS-530/RS-449)
o Cronyx Tau/E1 (fractional E1)
o Cronyx Tau/G703 (unframed E1)
SEE ALSO cp(4), cx(4), sppp(4), ifconfig(8), sconfig(8), spppcontrol(8)HISTORY
The ctau driver was added in FreeBSD 5.3 and FreeBSD 4.10. The ctau driver for previous versions of FreeBSD is available from
http://www.cronyx.ru/.
BSD September 6, 2004 BSD