1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/comedi/drivers/contec_pci_dio.c b/drivers/comedi/drivers/contec_pci_dio.c
new file mode 100644
index 000000000000..b8fdd9c1f166
--- /dev/null
+++ b/drivers/comedi/drivers/contec_pci_dio.c
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * comedi/drivers/contec_pci_dio.c
+ *
+ * COMEDI - Linux Control and Measurement Device Interface
+ * Copyright (C) 2000 David A. Schleef <ds@schleef.org>
+ */
+
+/*
+ * Driver: contec_pci_dio
+ * Description: Contec PIO1616L digital I/O board
+ * Devices: [Contec] PIO1616L (contec_pci_dio)
+ * Author: Stefano Rivoir <s.rivoir@gts.it>
+ * Updated: Wed, 27 Jun 2007 13:00:06 +0100
+ * Status: works
+ *
+ * Configuration Options: not applicable, uses comedi PCI auto config
+ */
+
+#include <linux/module.h>
+
+#include "../comedi_pci.h"
+
+/*
+ * Register map
+ */
+#define PIO1616L_DI_REG		0x00
+#define PIO1616L_DO_REG		0x02
+
+static int contec_do_insn_bits(struct comedi_device *dev,
+			       struct comedi_subdevice *s,
+			       struct comedi_insn *insn,
+			       unsigned int *data)
+{
+	if (comedi_dio_update_state(s, data))
+		outw(s->state, dev->iobase + PIO1616L_DO_REG);
+
+	data[1] = s->state;
+
+	return insn->n;
+}
+
+static int contec_di_insn_bits(struct comedi_device *dev,
+			       struct comedi_subdevice *s,
+			       struct comedi_insn *insn, unsigned int *data)
+{
+	data[1] = inw(dev->iobase + PIO1616L_DI_REG);
+
+	return insn->n;
+}
+
+static int contec_auto_attach(struct comedi_device *dev,
+			      unsigned long context_unused)
+{
+	struct pci_dev *pcidev = comedi_to_pci_dev(dev);
+	struct comedi_subdevice *s;
+	int ret;
+
+	ret = comedi_pci_enable(dev);
+	if (ret)
+		return ret;
+	dev->iobase = pci_resource_start(pcidev, 0);
+
+	ret = comedi_alloc_subdevices(dev, 2);
+	if (ret)
+		return ret;
+
+	s = &dev->subdevices[0];
+	s->type		= COMEDI_SUBD_DI;
+	s->subdev_flags	= SDF_READABLE;
+	s->n_chan	= 16;
+	s->maxdata	= 1;
+	s->range_table	= &range_digital;
+	s->insn_bits	= contec_di_insn_bits;
+
+	s = &dev->subdevices[1];
+	s->type		= COMEDI_SUBD_DO;
+	s->subdev_flags	= SDF_WRITABLE;
+	s->n_chan	= 16;
+	s->maxdata	= 1;
+	s->range_table	= &range_digital;
+	s->insn_bits	= contec_do_insn_bits;
+
+	return 0;
+}
+
+static struct comedi_driver contec_pci_dio_driver = {
+	.driver_name	= "contec_pci_dio",
+	.module		= THIS_MODULE,
+	.auto_attach	= contec_auto_attach,
+	.detach		= comedi_pci_detach,
+};
+
+static int contec_pci_dio_pci_probe(struct pci_dev *dev,
+				    const struct pci_device_id *id)
+{
+	return comedi_pci_auto_config(dev, &contec_pci_dio_driver,
+				      id->driver_data);
+}
+
+static const struct pci_device_id contec_pci_dio_pci_table[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_CONTEC, 0x8172) },
+	{ 0 }
+};
+MODULE_DEVICE_TABLE(pci, contec_pci_dio_pci_table);
+
+static struct pci_driver contec_pci_dio_pci_driver = {
+	.name		= "contec_pci_dio",
+	.id_table	= contec_pci_dio_pci_table,
+	.probe		= contec_pci_dio_pci_probe,
+	.remove		= comedi_pci_auto_unconfig,
+};
+module_comedi_pci_driver(contec_pci_dio_driver, contec_pci_dio_pci_driver);
+
+MODULE_AUTHOR("Comedi https://www.comedi.org");
+MODULE_DESCRIPTION("Comedi low-level driver");
+MODULE_LICENSE("GPL");