Cleanup the multi-line comments at the beginning of the file so they follow the CodingStyle. Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> Cc: Ian Abbott <abbotti@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/drivers/rtd520.c | 190 ++++++++++++++++---------------- 1 file changed, 94 insertions(+), 96 deletions(-) diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 4c16150..0801902 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -1,105 +1,103 @@ /* - comedi/drivers/rtd520.c - Comedi driver for Real Time Devices (RTD) PCI4520/DM7520 - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 2001 David A. Schleef <ds@xxxxxxxxxxx> - - 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. + * comedi/drivers/rtd520.c + * Comedi driver for Real Time Devices (RTD) PCI4520/DM7520 + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 2001 David A. Schleef <ds@xxxxxxxxxxx> + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ -/* -Driver: rtd520 -Description: Real Time Devices PCI4520/DM7520 -Author: Dan Christian -Devices: [Real Time Devices] DM7520HR-1 (rtd520), DM7520HR-8, - PCI4520, PCI4520-8 -Status: Works. Only tested on DM7520-8. Not SMP safe. - -Configuration options: - [0] - PCI bus of device (optional) - If bus / slot is not specified, the first available PCI - device will be used. - [1] - PCI slot of device (optional) -*/ /* - Created by Dan Christian, NASA Ames Research Center. - - The PCI4520 is a PCI card. The DM7520 is a PC/104-plus card. - Both have: - 8/16 12 bit ADC with FIFO and channel gain table - 8 bits high speed digital out (for external MUX) (or 8 in or 8 out) - 8 bits high speed digital in with FIFO and interrupt on change (or 8 IO) - 2 12 bit DACs with FIFOs - 2 bits output - 2 bits input - bus mastering DMA - timers: ADC sample, pacer, burst, about, delay, DA1, DA2 - sample counter - 3 user timer/counters (8254) - external interrupt - - The DM7520 has slightly fewer features (fewer gain steps). - - These boards can support external multiplexors and multi-board - synchronization, but this driver doesn't support that. - - Board docs: http://www.rtdusa.com/PC104/DM/analog%20IO/dm7520.htm - Data sheet: http://www.rtdusa.com/pdf/dm7520.pdf - Example source: http://www.rtdusa.com/examples/dm/dm7520.zip - Call them and ask for the register level manual. - PCI chip: http://www.plxtech.com/products/io/pci9080 - - Notes: - This board is memory mapped. There is some IO stuff, but it isn't needed. - - I use a pretty loose naming style within the driver (rtd_blah). - All externally visible names should be rtd520_blah. - I use camelCase for structures (and inside them). - I may also use upper CamelCase for function names (old habit). - - This board is somewhat related to the RTD PCI4400 board. - - I borrowed heavily from the ni_mio_common, ni_atmio16d, mite, and - das1800, since they have the best documented code. Driver - cb_pcidas64.c uses the same DMA controller. - - As far as I can tell, the About interrupt doesn't work if Sample is - also enabled. It turns out that About really isn't needed, since - we always count down samples read. - - There was some timer/counter code, but it didn't follow the right API. - -*/ + * Driver: rtd520 + * Description: Real Time Devices PCI4520/DM7520 + * Devices: (Real Time Devices) DM7520HR-1 [DM7520] + * (Real Time Devices) DM7520HR-8 [DM7520] + * (Real Time Devices) PCI4520 [PCI4520] + * (Real Time Devices) PCI4520-8 [PCI4520] + * Author: Dan Christian + * Status: Works. Only tested on DM7520-8. Not SMP safe. + * + * Configuration options: not applicable, uses PCI auto config + */ /* - driver status: - - Analog-In supports instruction and command mode. - - With DMA, you can sample at 1.15Mhz with 70% idle on a 400Mhz K6-2 - (single channel, 64K read buffer). I get random system lockups when - using DMA with ALI-15xx based systems. I haven't been able to test - any other chipsets. The lockups happen soon after the start of an - acquistion, not in the middle of a long run. - - Without DMA, you can do 620Khz sampling with 20% idle on a 400Mhz K6-2 - (with a 256K read buffer). - - Digital-IO and Analog-Out only support instruction mode. + * Created by Dan Christian, NASA Ames Research Center. + * + * The PCI4520 is a PCI card. The DM7520 is a PC/104-plus card. + * Both have: + * 8/16 12 bit ADC with FIFO and channel gain table + * 8 bits high speed digital out (for external MUX) (or 8 in or 8 out) + * 8 bits high speed digital in with FIFO and interrupt on change (or 8 IO) + * 2 12 bit DACs with FIFOs + * 2 bits output + * 2 bits input + * bus mastering DMA + * timers: ADC sample, pacer, burst, about, delay, DA1, DA2 + * sample counter + * 3 user timer/counters (8254) + * external interrupt + * + * The DM7520 has slightly fewer features (fewer gain steps). + * + * These boards can support external multiplexors and multi-board + * synchronization, but this driver doesn't support that. + * + * Board docs: http://www.rtdusa.com/PC104/DM/analog%20IO/dm7520.htm + * Data sheet: http://www.rtdusa.com/pdf/dm7520.pdf + * Example source: http://www.rtdusa.com/examples/dm/dm7520.zip + * Call them and ask for the register level manual. + * PCI chip: http://www.plxtech.com/products/io/pci9080 + * + * Notes: + * This board is memory mapped. There is some IO stuff, but it isn't needed. + * + * I use a pretty loose naming style within the driver (rtd_blah). + * All externally visible names should be rtd520_blah. + * I use camelCase for structures (and inside them). + * I may also use upper CamelCase for function names (old habit). + * + * This board is somewhat related to the RTD PCI4400 board. + * + * I borrowed heavily from the ni_mio_common, ni_atmio16d, mite, and + * das1800, since they have the best documented code. Driver cb_pcidas64.c + * uses the same DMA controller. + * + * As far as I can tell, the About interrupt doesn't work if Sample is + * also enabled. It turns out that About really isn't needed, since + * we always count down samples read. + * + * There was some timer/counter code, but it didn't follow the right API. + */ -*/ +/* + * driver status: + * + * Analog-In supports instruction and command mode. + * + * With DMA, you can sample at 1.15Mhz with 70% idle on a 400Mhz K6-2 + * (single channel, 64K read buffer). I get random system lockups when + * using DMA with ALI-15xx based systems. I haven't been able to test + * any other chipsets. The lockups happen soon after the start of an + * acquistion, not in the middle of a long run. + * + * Without DMA, you can do 620Khz sampling with 20% idle on a 400Mhz K6-2 + * (with a 256K read buffer). + * + * Digital-IO and Analog-Out only support instruction mode. + */ #include <linux/pci.h> #include <linux/delay.h> -- 1.8.1.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
