path: root/drivers/tty/isicom.c

// SPDX-License-Identifier: GPL-2.0+
/*
 *	Original driver code supplied by Multi-Tech
 *
 *	Changes
 *	1/9/98	alan@lxorguk.ukuu.org.uk
 *					Merge to 2.0.x kernel tree
 *					Obtain and use official major/minors
 *					Loader switched to a misc device
 *					(fixed range check bug as a side effect)
 *					Printk clean up
 *	9/12/98	alan@lxorguk.ukuu.org.uk
 *					Rough port to 2.1.x
 *
 *	10/6/99 sameer			Merged the ISA and PCI drivers to
 *					a new unified driver.
 *
 *	3/9/99	sameer			Added support for ISI4616 cards.
 *
 *	16/9/99	sameer			We do not force RTS low anymore.
 *					This is to prevent the firmware
 *					from getting confused.
 *
 *	26/10/99 sameer			Cosmetic changes:The driver now
 *					dumps the Port Count information
 *					along with I/O address and IRQ.
 *
 *	13/12/99 sameer			Fixed the problem with IRQ sharing.
 *
 *	10/5/00  sameer			Fixed isicom_shutdown_board()
 *					to not lower DTR on all the ports
 *					when the last port on the card is
 *					closed.
 *
 *	10/5/00  sameer			Signal mask setup command added
 *					to  isicom_setup_port and
 *					isicom_shutdown_port.
 *
 *	24/5/00  sameer			The driver is now SMP aware.
 *
 *
 *	27/11/00 Vinayak P Risbud	Fixed the Driver Crash Problem
 *
 *
 *	03/01/01  anil .s		Added support for resetting the
 *					internal modems on ISI cards.
 *
 *	08/02/01  anil .s		Upgraded the