Tidy up the multi-line comments to follow the CodingStyle. Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com> Cc: Ian Abbott <abbo...@mev.co.uk> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- drivers/staging/comedi/drivers/comedi_parport.c | 136 +++++++++++------------- 1 file changed, 62 insertions(+), 74 deletions(-)
diff --git a/drivers/staging/comedi/drivers/comedi_parport.c b/drivers/staging/comedi/drivers/comedi_parport.c index 9183997..408f43e 100644 --- a/drivers/staging/comedi/drivers/comedi_parport.c +++ b/drivers/staging/comedi/drivers/comedi_parport.c @@ -1,79 +1,67 @@ /* - comedi/drivers/comedi_parport.c - hardware driver for standard parallel port - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 1998,2001 David A. Schleef <d...@schleef.org> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. -*/ -/* -Driver: comedi_parport -Description: Standard PC parallel port -Author: ds -Status: works in immediate mode -Devices: [standard] parallel port (comedi_parport) -Updated: Tue, 30 Apr 2002 21:11:45 -0700 - -A cheap and easy way to get a few more digital I/O lines. Steal -additional parallel ports from old computers or your neighbors' -computers. - -Option list: - 0: I/O port base for the parallel port. - 1: IRQ - -Parallel Port Lines: - -pin subdev chan aka ---- ------ ---- --- -1 2 0 strobe -2 0 0 data 0 -3 0 1 data 1 -4 0 2 data 2 -5 0 3 data 3 -6 0 4 data 4 -7 0 5 data 5 -8 0 6 data 6 -9 0 7 data 7 -10 1 3 acknowledge -11 1 4 busy -12 1 2 output -13 1 1 printer selected -14 2 1 auto LF -15 1 0 error -16 2 2 init -17 2 3 select printer -18-25 ground - -Notes: - -Subdevices 0 is digital I/O, subdevice 1 is digital input, and -subdevice 2 is digital output. Unlike other Comedi devices, -subdevice 0 defaults to output. - -Pins 13 and 14 are inverted once by Comedi and once by the -hardware, thus cancelling the effect. - -Pin 1 is a strobe, thus acts like one. There's no way in software -to change this, at least on a standard parallel port. - -Subdevice 3 pretends to be a digital input subdevice, but it always -returns 0 when read. However, if you run a command with -scan_begin_src=TRIG_EXT, it uses pin 10 as a external triggering -pin, which can be used to wake up tasks. -*/ + * comedi_parport.c + * Comedi driver for standard parallel port + * + * For more information see: + * http://retired.beyondlogic.org/spp/parallel.htm + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 1998,2001 David A. Schleef <d...@schleef.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + /* - see http://www.beyondlogic.org/ for information. - or http://www.linux-magazin.de/ausgabe/1999/10/IO/io.html + * Driver: comedi_parport + * Description: Standard PC parallel port + * Author: ds + * Status: works in immediate mode + * Devices: (standard) parallel port [comedi_parport] + * Updated: Tue, 30 Apr 2002 21:11:45 -0700 + * + * A cheap and easy way to get a few more digital I/O lines. Steal + * additional parallel ports from old computers or your neighbors' + * computers. + * + * Option list: + * 0: I/O port base for the parallel port. + * 1: IRQ (optional) + * + * Parallel Port Lines: + * + * pin subdev chan type name + * ----- ------ ---- ---- -------------- + * 1 2 0 DO strobe + * 2 0 0 DIO data 0 + * 3 0 1 DIO data 1 + * 4 0 2 DIO data 2 + * 5 0 3 DIO data 3 + * 6 0 4 DIO data 4 + * 7 0 5 DIO data 5 + * 8 0 6 DIO data 6 + * 9 0 7 DIO data 7 + * 10 1 3 DI ack + * 11 1 4 DI busy + * 12 1 2 DI paper out + * 13 1 1 DI select in + * 14 2 1 DO auto LF + * 15 1 0 DI error + * 16 2 2 DO init + * 17 2 3 DO select printer + * 18-25 ground + * + * When an IRQ is configured subdevice 3 pretends to be a digital + * input subdevice, but it always returns 0 when read. However, if + * you run a command with scan_begin_src=TRIG_EXT, it uses pin 10 + * as a external trigger, which can be used to wake up tasks. */ #include <linux/module.h> -- 1.8.3.2 _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
