--- /dev/null
+/*
+ * addi_apci_1516.c
+ * Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
+ * Project manager: Eric Stolz
+ *
+ * ADDI-DATA GmbH
+ * Dieselstrasse 3
+ * D-77833 Ottersweier
+ * Tel: +19(0)7223/9493-0
+ * Fax: +49(0)7223/9493-92
+ * http://www.addi-data.com
+ * info@addi-data.com
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+
+#include "../comedi_pci.h"
+#include "addi_watchdog.h"
+
+/*
+ * PCI bar 1 I/O Register map - Digital input/output
+ */
+#define APCI1516_DI_REG 0x00
+#define APCI1516_DO_REG 0x04
+
+/*
+ * PCI bar 2 I/O Register map - Watchdog (APCI-1516 and APCI-2016)
+ */
+#define APCI1516_WDOG_REG 0x00
+
+enum apci1516_boardid {
+ BOARD_APCI1016,
+ BOARD_APCI1516,
+ BOARD_APCI2016,
+};
+
+struct apci1516_boardinfo {
+ const char *name;
+ int di_nchan;
+ int do_nchan;
+ int has_wdog;
+};
+
+static const struct apci1516_boardinfo apci1516_boardtypes[] = {
+ [BOARD_APCI1016] = {
+ .name = "apci1016",
+ .di_nchan = 16,
+ },
+ [BOARD_APCI1516] = {
+ .name = "apci1516",
+ .di_nchan = 8,
+ .do_nchan = 8,
+ .has_wdog = 1,
+ },
+ [BOARD_APCI2016] = {
+ .name = "apci2016",
+ .do_nchan = 16,
+ .has_wdog = 1,
+ },
+};
+
+struct apci1516_private {
+ unsigned long wdog_iobase;
+};
+
+static int apci1516_di_insn_bits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
+{
+ data[1] = inw(dev->iobase + APCI1516_DI_REG);
+
+ return insn->n;
+}
+
+static int apci1516_do_insn_bits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
+{
+ s->state = inw(dev->iobase + APCI1516_DO_REG);
+
+ if (comedi_dio_update_state(s, data))
+ outw(s->state, dev->iobase + APCI1516_DO_REG);
+
+ data[1] = s->state;
+
+ return insn->n;
+}
+
+static int apci1516_reset(struct comedi_device *dev)
+{
+ const struct apci1516_boardinfo *this_board = dev->board_ptr;
+ struct apci1516_private *devpriv = dev->private;
+
+ if (!this_board->has_wdog)
+ return 0;
+
+ outw(0x0, dev->iobase + APCI1516_DO_REG);
+
+ addi_watchdog_reset(devpriv->wdog_iobase);
+
+ return 0;
+}
+
+static int apci1516_auto_attach(struct comedi_device *dev,
+ unsigned long context)
+{
+ struct pci_dev *pcidev = comedi_to_pci_dev(dev);
+ const struct apci1516_boardinfo *this_board = NULL;
+ struct apci1516_private *devpriv;
+ struct comedi_subdevice *s;
+ int ret;
+
+ if (context < ARRAY_SIZE(apci1516_boardtypes))
+ this_board = &apci1516_boardtypes[context];
+ if (!this_board)
+ return -ENODEV;
+ dev->board_ptr = this_board;
+ dev->board_name = this_board->name;
+
+ devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
+ if (!devpriv)
+ return -ENOMEM;
+
+ ret = comedi_pci_enable(dev);
+ if (ret)
+ return ret;
+
+ dev->iobase = pci_resource_start(pcidev, 1);
+ devpriv->wdog_iobase = pci_resource_start(pcidev, 2);
+
+ ret = comedi_alloc_subdevices(dev, 3);
+ if (ret)
+ return ret;
+
+ /* Initialize the digital input subdevice */
+ s = &dev->subdevices[0];
+ if (this_board->di_nchan) {
+ s->type = COMEDI_SUBD_DI;
+ s->subdev_flags = SDF_READABLE;
+ s->n_chan = this_board->di_nchan;
+ s->maxdata = 1;
+ s->range_table = &range_digital;
+ s->insn_bits = apci1516_di_insn_bits;
+ } else {
+ s->type = COMEDI_SUBD_UNUSED;
+ }
+
+ /* Initialize the digital output subdevice */
+ s = &dev->subdevices[1];
+ if (this_board->do_nchan) {
+ s->type = COMEDI_SUBD_DO;
+ s->subdev_flags = SDF_WRITABLE;
+ s->n_chan = this_board->do_nchan;
+ s->maxdata = 1;
+ s->range_table = &range_digital;
+ s->insn_bits = apci1516_do_insn_bits;
+ } else {
+ s->type = COMEDI_SUBD_UNUSED;
+ }
+
+ /* Initialize the watchdog subdevice */
+ s = &dev->subdevices[2];
+ if (this_board->has_wdog) {
+ ret = addi_watchdog_init(s, devpriv->wdog_iobase);
+ if (ret)
+ return ret;
+ } else {
+ s->type = COMEDI_SUBD_UNUSED;
+ }
+
+ apci1516_reset(dev);
+ return 0;
+}
+
+static void apci1516_detach(struct comedi_device *dev)
+{
+ if (dev->iobase)
+ apci1516_reset(dev);
+ comedi_pci_detach(dev);
+}
+
+static struct comedi_driver apci1516_driver = {
+ .driver_name = "addi_apci_1516",
+ .module = THIS_MODULE,
+ .auto_attach = apci1516_auto_attach,
+ .detach = apci1516_detach,
+};
+
+static int apci1516_pci_probe(struct pci_dev *dev,
+ const struct pci_device_id *id)
+{
+ return comedi_pci_auto_config(dev, &apci1516_driver, id->driver_data);
+}
+
+static const struct pci_device_id apci1516_pci_table[] = {
+ { PCI_VDEVICE(ADDIDATA, 0x1000), BOARD_APCI1016 },
+ { PCI_VDEVICE(ADDIDATA, 0x1001), BOARD_APCI1516 },
+ { PCI_VDEVICE(ADDIDATA, 0x1002), BOARD_APCI2016 },
+ { 0 }
+};
+MODULE_DEVICE_TABLE(pci, apci1516_pci_table);
+
+static struct pci_driver apci1516_pci_driver = {
+ .name = "addi_apci_1516",
+ .id_table = apci1516_pci_table,
+ .probe = apci1516_pci_probe,
+ .remove = comedi_pci_auto_unconfig,
+};
+module_comedi_pci_driver(apci1516_driver, apci1516_pci_driver);
+
+MODULE_DESCRIPTION("ADDI-DATA APCI-1016/1516/2016, 16 channel DIO boards");
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff