diff options
Diffstat (limited to 'drivers/comedi/drivers/ni_labpc_cs.c')
-rw-r--r-- | drivers/comedi/drivers/ni_labpc_cs.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/comedi/drivers/ni_labpc_cs.c b/drivers/comedi/drivers/ni_labpc_cs.c new file mode 100644 index 000000000000..4f7e2fe21254 --- /dev/null +++ b/drivers/comedi/drivers/ni_labpc_cs.c @@ -0,0 +1,112 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Driver for National Instruments daqcard-1200 boards + * Copyright (C) 2001, 2002, 2003 Frank Mori Hess <fmhess@users.sourceforge.net> + * + * PCMCIA crap is adapted from dummy_cs.c 1.31 2001/08/24 12:13:13 + * from the pcmcia package. + * The initial developer of the pcmcia dummy_cs.c code is David A. Hinds + * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds + * are Copyright (C) 1999 David A. Hinds. + */ + +/* + * Driver: ni_labpc_cs + * Description: National Instruments Lab-PC (& compatibles) + * Author: Frank Mori Hess <fmhess@users.sourceforge.net> + * Devices: [National Instruments] DAQCard-1200 (daqcard-1200) + * Status: works + * + * Thanks go to Fredrik Lingvall for much testing and perseverance in + * helping to debug daqcard-1200 support. + * + * The 1200 series boards have onboard calibration dacs for correcting + * analog input/output offsets and gains. The proper settings for these + * caldacs are stored on the board's eeprom. To read the caldac values + * from the eeprom and store them into a file that can be then be used by + * comedilib, use the comedi_calibrate program. + * + * Configuration options: none + * + * The daqcard-1200 has quirky chanlist requirements when scanning multiple + * channels. Multiple channel scan sequence must start at highest channel, + * then decrement down to channel 0. Chanlists consisting of all one channel + * are also legal, and allow you to pace conversions in bursts. + * + * NI manuals: + * 340988a (daqcard-1200) + */ + +#include <linux/module.h> + +#include "../comedi_pcmcia.h" + +#include "ni_labpc.h" + +static const struct labpc_boardinfo labpc_cs_boards[] = { + { + .name = "daqcard-1200", + .ai_speed = 10000, + .has_ao = 1, + .is_labpc1200 = 1, + }, +}; + +static int labpc_cs_auto_attach(struct comedi_device *dev, + unsigned long context) +{ + struct pcmcia_device *link = comedi_to_pcmcia_dev(dev); + int ret; + + /* The ni_labpc driver needs the board_ptr */ + dev->board_ptr = &labpc_cs_boards[0]; + + link->config_flags |= CONF_AUTO_SET_IO | + CONF_ENABLE_IRQ | CONF_ENABLE_PULSE_IRQ; + ret = comedi_pcmcia_enable(dev, NULL); + if (ret) + return ret; + dev->iobase = link->resource[0]->start; + + if (!link->irq) + return -EINVAL; + + return labpc_common_attach(dev, link->irq, IRQF_SHARED); +} + +static void labpc_cs_detach(struct comedi_device *dev) +{ + labpc_common_detach(dev); + comedi_pcmcia_disable(dev); +} + +static struct comedi_driver driver_labpc_cs = { + .driver_name = "ni_labpc_cs", + .module = THIS_MODULE, + .auto_attach = labpc_cs_auto_attach, + .detach = labpc_cs_detach, +}; + +static int labpc_cs_attach(struct pcmcia_device *link) +{ + return comedi_pcmcia_auto_config(link, &driver_labpc_cs); +} + +static const struct pcmcia_device_id labpc_cs_ids[] = { + PCMCIA_DEVICE_MANF_CARD(0x010b, 0x0103), /* daqcard-1200 */ + PCMCIA_DEVICE_NULL +}; +MODULE_DEVICE_TABLE(pcmcia, labpc_cs_ids); + +static struct pcmcia_driver labpc_cs_driver = { + .name = "daqcard-1200", + .owner = THIS_MODULE, + .id_table = labpc_cs_ids, + .probe = labpc_cs_attach, + .remove = comedi_pcmcia_auto_unconfig, +}; +module_comedi_pcmcia_driver(driver_labpc_cs, labpc_cs_driver); + +MODULE_DESCRIPTION("Comedi driver for National Instruments Lab-PC"); +MODULE_AUTHOR("Frank Mori Hess <fmhess@users.sourceforge.net>"); +MODULE_LICENSE("GPL"); |