TOSH1800-SMCINIT(8)						    Linux IrDA						       TOSH1800-SMCINIT(8)

NAME

       tosh1800-smcinit - initialize the IrDA controler on Toshiba laptops

SYNOPSIS

       tosh1800-smcinit [OPTION]

DESCRIPTION

       IrDA  configurator  for	laptops  with  ALI1533 bridge (LPC47N227 SuperIO), smc-ircc and not initializing BIOS (tested on Toshiba Satellite
       1800-514, Toshiba Satellite 5100 and Toshiba Tecra 9100) to be used with Linux kernel.

       Toshiba Satellite 1800 laptops are provided with a SMCS LPC47N227 SuperIO chip which is	IrDA  SIR/FIR  capable.   The  chip  is  connected
       through an ALI1533 PCI-ISA bridge.  The IrDA subsystem of the SuperIO chip is supported by the smc-ircc Linux kernel module.  Unfortunately
       the BIOS neither configurates the SuperIO chip IrDA subsystem (SIR port, FIR port, dma, irq, IrDA mode, power) nor sets the PCI-ISA  bridge
       to  decode any usable port.  Linux kernel is thus prevented to detect the second UART making impossible to use it in SIR mode. For the same
       reason, the FIR mode smc-ircc is able to detect the SuperIO chip but, once found the IrDA subsystem unconfigured, fails to install.

       tosh1800-smcinit sets SIR and FIR ioport addresses, DMA and IRQ of the SuperIO chip IrDA subsystem then powers on the second UART. It  also
       configures  the	PCI-ISA  bridge to decode SIR and FIR ports.  All this configuration work should be rather done into the kernel but it was
       more practical and safe to make a small testing tool of it. It can be probably extended to include configuration kludges for other  similar
       SuperIO and ISA bridge combination.

       Testing	was carried on a Toshiba Satellite 1800-514 with Linux kernel 2.4.17.  I hope this work could be helpful, it was quite funny to do
       it however.

OPTIONS

       -a, --skip-decoding-cfg
	      Skip ISA bridge decoding configuration.

       -b, --skip-smc-ircc-cfg
	      Skip SMC-IRCC configuration.

       -v, --vendor=VALUE
	      Look for the specified ISA bridge PCI vendor ID

       -x, --device=VALUE
	      Look for the specified ISA bridge PCI device ID

       -c, --cfgbase=VALUE
	      Set SMC-IRCC IO cfgbase address. Usual value can be 0x2e.

       -s, --sirbase=VALUE
	      Set SMC-IRCC IO sirbase address. Usual value can be 0x2e8.

       -f, --firbase=VALUE
	      Set SMC-IRCC IO firbase address. Usual value can be 0x2f8.

       -m, --dma=VALUE
	      Set SMC-IRCC DMA channel. Usual value can be 3.

       -i, --irq=VALUE
	      Set SMC-IRCC IRQ. Usual value can be 7.

       -p, --print
	      Print ISA bridge configuration.

       -V, --version
	      Show program version.

       -h, --help
	      Show program options.

AUTHOR

       This program was made by Daniele Peri <peri@csai.unipa.it>

CREDITS

       SMSC for the downloadable datasheets

       Paul Hampson for its Linux IrDA mailing list messages.

       Manual page written by Claudiu Costin <claudiuc@kde.org>. Documentation based on original README by Daniele Peri.

SEE ALSO

       irattach(1),
       irdadump(1),
       http://lancelot.csai.unipa.it/~peri/ Daniele Peri's home page,
       http://irda.sourceforge.net/smcinit/ the SMCINIT package home page.

0.3								     July 2003						       TOSH1800-SMCINIT(8)