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