1 // SPDX-License-Identifier: GPL-2.0+
4 * Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
5 * Project manager: Eric Stolz
10 * Tel: +19(0)7223/9493-0
11 * Fax: +49(0)7223/9493-92
12 * http://www.addi-data.com
16 #include <linux/module.h>
17 #include <linux/comedi/comedi_pci.h>
19 #include "addi_watchdog.h"
24 #define APCI2200_DI_REG 0x00
25 #define APCI2200_DO_REG 0x04
26 #define APCI2200_WDOG_REG 0x08
28 static int apci2200_di_insn_bits(struct comedi_device *dev,
29 struct comedi_subdevice *s,
30 struct comedi_insn *insn,
33 data[1] = inw(dev->iobase + APCI2200_DI_REG);
38 static int apci2200_do_insn_bits(struct comedi_device *dev,
39 struct comedi_subdevice *s,
40 struct comedi_insn *insn,
43 s->state = inw(dev->iobase + APCI2200_DO_REG);
45 if (comedi_dio_update_state(s, data))
46 outw(s->state, dev->iobase + APCI2200_DO_REG);
53 static int apci2200_reset(struct comedi_device *dev)
55 outw(0x0, dev->iobase + APCI2200_DO_REG);
57 addi_watchdog_reset(dev->iobase + APCI2200_WDOG_REG);
62 static int apci2200_auto_attach(struct comedi_device *dev,
63 unsigned long context_unused)
65 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
66 struct comedi_subdevice *s;
69 ret = comedi_pci_enable(dev);
73 dev->iobase = pci_resource_start(pcidev, 1);
75 ret = comedi_alloc_subdevices(dev, 3);
79 /* Initialize the digital input subdevice */
80 s = &dev->subdevices[0];
81 s->type = COMEDI_SUBD_DI;
82 s->subdev_flags = SDF_READABLE;
85 s->range_table = &range_digital;
86 s->insn_bits = apci2200_di_insn_bits;
88 /* Initialize the digital output subdevice */
89 s = &dev->subdevices[1];
90 s->type = COMEDI_SUBD_DO;
91 s->subdev_flags = SDF_WRITABLE;
94 s->range_table = &range_digital;
95 s->insn_bits = apci2200_do_insn_bits;
97 /* Initialize the watchdog subdevice */
98 s = &dev->subdevices[2];
99 ret = addi_watchdog_init(s, dev->iobase + APCI2200_WDOG_REG);
107 static void apci2200_detach(struct comedi_device *dev)
111 comedi_pci_detach(dev);
114 static struct comedi_driver apci2200_driver = {
115 .driver_name = "addi_apci_2200",
116 .module = THIS_MODULE,
117 .auto_attach = apci2200_auto_attach,
118 .detach = apci2200_detach,
121 static int apci2200_pci_probe(struct pci_dev *dev,
122 const struct pci_device_id *id)
124 return comedi_pci_auto_config(dev, &apci2200_driver, id->driver_data);
127 static const struct pci_device_id apci2200_pci_table[] = {
128 { PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA, 0x1005) },
131 MODULE_DEVICE_TABLE(pci, apci2200_pci_table);
133 static struct pci_driver apci2200_pci_driver = {
134 .name = "addi_apci_2200",
135 .id_table = apci2200_pci_table,
136 .probe = apci2200_pci_probe,
137 .remove = comedi_pci_auto_unconfig,
139 module_comedi_pci_driver(apci2200_driver, apci2200_pci_driver);
141 MODULE_DESCRIPTION("ADDI-DATA APCI-2200 Relay board, optically isolated");
142 MODULE_AUTHOR("Comedi https://www.comedi.org");
143 MODULE_LICENSE("GPL");