--- /dev/null
+/*
+ * addi_apci_16xx.c
+ * Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
+ * Project manager: S. Weber
+ *
+ * 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"
+
+/*
+ * Register I/O map
+ */
+#define APCI16XX_IN_REG(x) (((x) * 4) + 0x08)
+#define APCI16XX_OUT_REG(x) (((x) * 4) + 0x14)
+#define APCI16XX_DIR_REG(x) (((x) * 4) + 0x20)
+
+enum apci16xx_boardid {
+ BOARD_APCI1648,
+ BOARD_APCI1696,
+};
+
+struct apci16xx_boardinfo {
+ const char *name;
+ int n_chan;
+};
+
+static const struct apci16xx_boardinfo apci16xx_boardtypes[] = {
+ [BOARD_APCI1648] = {
+ .name = "apci1648",
+ .n_chan = 48, /* 2 subdevices */
+ },
+ [BOARD_APCI1696] = {
+ .name = "apci1696",
+ .n_chan = 96, /* 3 subdevices */
+ },
+};
+
+static int apci16xx_insn_config(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
+{
+ unsigned int chan = CR_CHAN(insn->chanspec);
+ unsigned int mask;
+ int ret;
+
+ if (chan < 8)
+ mask = 0x000000ff;
+ else if (chan < 16)
+ mask = 0x0000ff00;
+ else if (chan < 24)
+ mask = 0x00ff0000;
+ else
+ mask = 0xff000000;
+
+ ret = comedi_dio_insn_config(dev, s, insn, data, mask);
+ if (ret)
+ return ret;
+
+ outl(s->io_bits, dev->iobase + APCI16XX_DIR_REG(s->index));
+
+ return insn->n;
+}
+
+static int apci16xx_dio_insn_bits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
+{
+ if (comedi_dio_update_state(s, data))
+ outl(s->state, dev->iobase + APCI16XX_OUT_REG(s->index));
+
+ data[1] = inl(dev->iobase + APCI16XX_IN_REG(s->index));
+
+ return insn->n;
+}
+
+static int apci16xx_auto_attach(struct comedi_device *dev,
+ unsigned long context)
+{
+ struct pci_dev *pcidev = comedi_to_pci_dev(dev);
+ const struct apci16xx_boardinfo *board = NULL;
+ struct comedi_subdevice *s;
+ unsigned int n_subdevs;
+ unsigned int last;
+ int i;
+ int ret;
+
+ if (context < ARRAY_SIZE(apci16xx_boardtypes))
+ board = &apci16xx_boardtypes[context];
+ if (!board)
+ return -ENODEV;
+ dev->board_ptr = board;
+ dev->board_name = board->name;
+
+ ret = comedi_pci_enable(dev);
+ if (ret)
+ return ret;
+
+ dev->iobase = pci_resource_start(pcidev, 0);
+
+ /*
+ * Work out the nubmer of subdevices needed to support all the
+ * digital i/o channels on the board. Each subdevice supports
+ * up to 32 channels.
+ */
+ n_subdevs = board->n_chan / 32;
+ if ((n_subdevs * 32) < board->n_chan) {
+ last = board->n_chan - (n_subdevs * 32);
+ n_subdevs++;
+ } else {
+ last = 0;
+ }
+
+ ret = comedi_alloc_subdevices(dev, n_subdevs);
+ if (ret)
+ return ret;
+
+ /* Initialize the TTL digital i/o subdevices */
+ for (i = 0; i < n_subdevs; i++) {
+ s = &dev->subdevices[i];
+ s->type = COMEDI_SUBD_DIO;
+ s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
+ s->n_chan = ((i * 32) < board->n_chan) ? 32 : last;
+ s->maxdata = 1;
+ s->range_table = &range_digital;
+ s->insn_config = apci16xx_insn_config;
+ s->insn_bits = apci16xx_dio_insn_bits;
+
+ /* Default all channels to inputs */
+ s->io_bits = 0;
+ outl(s->io_bits, dev->iobase + APCI16XX_DIR_REG(i));
+ }
+
+ return 0;
+}
+
+static struct comedi_driver apci16xx_driver = {
+ .driver_name = "addi_apci_16xx",
+ .module = THIS_MODULE,
+ .auto_attach = apci16xx_auto_attach,
+ .detach = comedi_pci_detach,
+};
+
+static int apci16xx_pci_probe(struct pci_dev *dev,
+ const struct pci_device_id *id)
+{
+ return comedi_pci_auto_config(dev, &apci16xx_driver, id->driver_data);
+}
+
+static const struct pci_device_id apci16xx_pci_table[] = {
+ { PCI_VDEVICE(ADDIDATA, 0x1009), BOARD_APCI1648 },
+ { PCI_VDEVICE(ADDIDATA, 0x100a), BOARD_APCI1696 },
+ { 0 }
+};
+MODULE_DEVICE_TABLE(pci, apci16xx_pci_table);
+
+static struct pci_driver apci16xx_pci_driver = {
+ .name = "addi_apci_16xx",
+ .id_table = apci16xx_pci_table,
+ .probe = apci16xx_pci_probe,
+ .remove = comedi_pci_auto_unconfig,
+};
+module_comedi_pci_driver(apci16xx_driver, apci16xx_pci_driver);
+
+MODULE_DESCRIPTION("ADDI-DATA APCI-1648/1696, TTL I/O boards");
+MODULE_AUTHOR("Comedi http://www.comedi.org");
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff