Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / comedi / drivers / ni_daq_dio24.c

diff --git a/kernel/drivers/staging/comedi/drivers/ni_daq_dio24.c b/kernel/drivers/staging/comedi/drivers/ni_daq_dio24.c
new file mode 100644 (file)
index 0000000..a208cb3
--- /dev/null
+++ b/kernel/drivers/staging/comedi/drivers/ni_daq_dio24.c
@@ -0,0 +1,95 @@
+/*
+    comedi/drivers/ni_daq_dio24.c
+    Driver for National Instruments PCMCIA DAQ-Card DIO-24
+    Copyright (C) 2002 Daniel Vecino Castel <dvecino@able.es>
+
+    PCMCIA crap at end of file 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.  All Rights Reserved.
+
+    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: ni_daq_dio24
+Description: National Instruments PCMCIA DAQ-Card DIO-24
+Author: Daniel Vecino Castel <dvecino@able.es>
+Devices: [National Instruments] PCMCIA DAQ-Card DIO-24 (ni_daq_dio24)
+Status: ?
+Updated: Thu, 07 Nov 2002 21:53:06 -0800
+
+This is just a wrapper around the 8255.o driver to properly handle
+the PCMCIA interface.
+*/
+
+#include <linux/module.h>
+#include "../comedi_pcmcia.h"
+
+#include "8255.h"
+
+static int dio24_auto_attach(struct comedi_device *dev,
+                            unsigned long context)
+{
+       struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
+       struct comedi_subdevice *s;
+       int ret;
+
+       link->config_flags |= CONF_AUTO_SET_IO;
+       ret = comedi_pcmcia_enable(dev, NULL);
+       if (ret)
+               return ret;
+       dev->iobase = link->resource[0]->start;
+
+       ret = comedi_alloc_subdevices(dev, 1);
+       if (ret)
+               return ret;
+
+       /* 8255 dio */
+       s = &dev->subdevices[0];
+       ret = subdev_8255_init(dev, s, NULL, 0x00);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
+static struct comedi_driver driver_dio24 = {
+       .driver_name    = "ni_daq_dio24",
+       .module         = THIS_MODULE,
+       .auto_attach    = dio24_auto_attach,
+       .detach         = comedi_pcmcia_disable,
+};
+
+static int dio24_cs_attach(struct pcmcia_device *link)
+{
+       return comedi_pcmcia_auto_config(link, &driver_dio24);
+}
+
+static const struct pcmcia_device_id dio24_cs_ids[] = {
+       PCMCIA_DEVICE_MANF_CARD(0x010b, 0x475c),        /* daqcard-dio24 */
+       PCMCIA_DEVICE_NULL
+};
+MODULE_DEVICE_TABLE(pcmcia, dio24_cs_ids);
+
+static struct pcmcia_driver dio24_cs_driver = {
+       .name           = "ni_daq_dio24",
+       .owner          = THIS_MODULE,
+       .id_table       = dio24_cs_ids,
+       .probe          = dio24_cs_attach,
+       .remove         = comedi_pcmcia_auto_unconfig,
+};
+module_comedi_pcmcia_driver(driver_dio24, dio24_cs_driver);
+
+MODULE_AUTHOR("Daniel Vecino Castel <dvecino@able.es>");
+MODULE_DESCRIPTION(
+       "Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24");
+MODULE_LICENSE("GPL");