diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/adq12b.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/adq12b.c | 136 |
1 files changed, 60 insertions, 76 deletions
diff --git a/drivers/staging/comedi/drivers/adq12b.c b/drivers/staging/comedi/drivers/adq12b.c index bc5f97f50f9a..315050454c26 100644 --- a/drivers/staging/comedi/drivers/adq12b.c +++ b/drivers/staging/comedi/drivers/adq12b.c @@ -1,75 +1,59 @@ /* - comedi/drivers/adq12b.c - driver for MicroAxial ADQ12-B data acquisition and control card - - COMEDI - Linux Control and Measurement Device Interface - Copyright (C) 2000 David A. Schleef <ds@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: adq12b -Description: driver for MicroAxial ADQ12-B data acquisition and control card -Devices: [MicroAxial] ADQ12-B (adq12b) -Author: jeremy theler <thelerg@ib.cnea.gov.ar> -Updated: Thu, 21 Feb 2008 02:56:27 -0300 -Status: works - -Driver for the acquisition card ADQ12-B (without any add-on). - - - Analog input is subdevice 0 (16 channels single-ended or 8 differential) - - Digital input is subdevice 1 (5 channels) - - Digital output is subdevice 1 (8 channels) - - The PACER is not supported in this version - -If you do not specify any options, they will default to - - # comedi_config /dev/comedi0 adq12b 0x300,0,0 - - option 1: I/O base address. The following table is provided as a help - of the hardware jumpers. - - address jumper JADR - 0x300 1 (factory default) - 0x320 2 - 0x340 3 - 0x360 4 - 0x380 5 - 0x3A0 6 - - option 2: unipolar/bipolar ADC selection: 0 -> bipolar, 1 -> unipolar + * adq12b.c + * Driver for MicroAxial ADQ12-B data acquisition and control card + * written by jeremy theler <thelerg@ib.cnea.gov.ar> + * instituto balseiro + * commission nacional de energia atomica + * universidad nacional de cuyo + * argentina + * + * COMEDI - Linux Control and Measurement Device Interface + * Copyright (C) 2000 David A. Schleef <ds@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. + */ - selection comedi_config option JUB - bipolar 0 2-3 (factory default) - unipolar 1 1-2 - - option 3: single-ended/differential AI selection: 0 -> SE, 1 -> differential - - selection comedi_config option JCHA JCHB - single-ended 0 1-2 1-2 (factory default) - differential 1 2-3 2-3 - - written by jeremy theler <thelerg@ib.cnea.gov.ar> - - instituto balseiro - commission nacional de energia atomica - universidad nacional de cuyo - argentina - - 21-feb-2008 - + changed supported devices string (missused the [] and ()) - - 13-oct-2007 - + first try -*/ +/* + * Driver: adq12b + * Description: Driver for MicroAxial ADQ12-B data acquisition and control card + * Devices: [MicroAxial] ADQ12-B (adq12b) + * Author: jeremy theler <thelerg@ib.cnea.gov.ar> + * Updated: Thu, 21 Feb 2008 02:56:27 -0300 + * Status: works + * + * Configuration options: + * [0] - I/O base address (set with hardware jumpers) + * address jumper JADR + * 0x300 1 (factory default) + * 0x320 2 + * 0x340 3 + * 0x360 4 + * 0x380 5 + * 0x3A0 6 + * [1] - Analog Input unipolar/bipolar selection + * selection option JUB + * bipolar 0 2-3 (factory default) + * unipolar 1 1-2 + * [2] - Analog Input single-ended/differential selection + * selection option JCHA JCHB + * single-ended 0 1-2 1-2 (factory default) + * differential 1 2-3 2-3 + * + * Driver for the acquisition card ADQ12-B (without any add-on). + * + * - Analog input is subdevice 0 (16 channels single-ended or 8 differential) + * - Digital input is subdevice 1 (5 channels) + * - Digital output is subdevice 1 (8 channels) + * - The PACER is not supported in this version + */ #include <linux/module.h> #include <linux/delay.h> @@ -78,14 +62,14 @@ If you do not specify any options, they will default to /* address scheme (page 2.17 of the manual) */ #define ADQ12B_CTREG 0x00 -#define ADQ12B_CTREG_MSKP (1 << 7) /* enable pacer interrupt */ -#define ADQ12B_CTREG_GTP (1 << 6) /* enable pacer */ +#define ADQ12B_CTREG_MSKP BIT(7) /* enable pacer interrupt */ +#define ADQ12B_CTREG_GTP BIT(6) /* enable pacer */ #define ADQ12B_CTREG_RANGE(x) ((x) << 4) #define ADQ12B_CTREG_CHAN(x) ((x) << 0) #define ADQ12B_STINR 0x00 -#define ADQ12B_STINR_OUT2 (1 << 7) /* timer 2 output state */ -#define ADQ12B_STINR_OUTP (1 << 6) /* pacer output state */ -#define ADQ12B_STINR_EOC (1 << 5) /* A/D end-of-conversion */ +#define ADQ12B_STINR_OUT2 BIT(7) /* timer 2 output state */ +#define ADQ12B_STINR_OUTP BIT(6) /* pacer output state */ +#define ADQ12B_STINR_EOC BIT(5) /* A/D end-of-conversion */ #define ADQ12B_STINR_IN_MASK (0x1f << 0) #define ADQ12B_OUTBR 0x04 #define ADQ12B_ADLOW 0x08 @@ -145,7 +129,7 @@ static int adq12b_ai_insn_read(struct comedi_device *dev, if (val != devpriv->last_ctreg) { outb(val, dev->iobase + ADQ12B_CTREG); devpriv->last_ctreg = val; - udelay(50); /* wait for the mux to settle */ + usleep_range(50, 100); /* wait for the mux to settle */ } val = inb(dev->iobase + ADQ12B_ADLOW); /* trigger A/D */ |