| /* |
| * ke_counter.c |
| * Comedi driver for Kolter-Electronic PCI Counter 1 Card |
| * |
| * COMEDI - Linux Control and Measurement Device Interface |
| * Copyright (C) 2000 David A. Schleef <ds@schleef.org> |
| * |
| * 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. |
| */ |
| |
| /* |
| * Driver: ke_counter |
| * Description: Driver for Kolter Electronic Counter Card |
| * Devices: (Kolter Electronic) PCI Counter Card [ke_counter] |
| * Author: Michael Hillmann |
| * Updated: Mon, 14 Apr 2008 15:42:42 +0100 |
| * Status: tested |
| * |
| * Configuration Options: not applicable, uses PCI auto config |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/pci.h> |
| |
| #include "../comedidev.h" |
| |
| /* |
| * PCI BAR 0 Register I/O map |
| */ |
| #define KE_RESET_REG(x) (0x00 + ((x) * 0x20)) |
| #define KE_LATCH_REG(x) (0x00 + ((x) * 0x20)) |
| #define KE_LSB_REG(x) (0x04 + ((x) * 0x20)) |
| #define KE_MID_REG(x) (0x08 + ((x) * 0x20)) |
| #define KE_MSB_REG(x) (0x0c + ((x) * 0x20)) |
| #define KE_SIGN_REG(x) (0x10 + ((x) * 0x20)) |
| #define KE_OSC_SEL_REG 0xf8 |
| #define KE_OSC_SEL_EXT (1 << 0) |
| #define KE_OSC_SEL_4MHZ (2 << 0) |
| #define KE_OSC_SEL_20MHZ (3 << 0) |
| #define KE_DO_REG 0xfc |
| |
| static int ke_counter_insn_write(struct comedi_device *dev, |
| struct comedi_subdevice *s, |
| struct comedi_insn *insn, |
| unsigned int *data) |
| { |
| unsigned int chan = CR_CHAN(insn->chanspec); |
| unsigned int val; |
| int i; |
| |
| for (i = 0; i < insn->n; i++) { |
| val = data[0]; |
| |
| /* Order matters */ |
| outb((val >> 24) & 0xff, dev->iobase + KE_SIGN_REG(chan)); |
| outb((val >> 16) & 0xff, dev->iobase + KE_MSB_REG(chan)); |
| outb((val >> 8) & 0xff, dev->iobase + KE_MID_REG(chan)); |
| outb((val >> 0) & 0xff, dev->iobase + KE_LSB_REG(chan)); |
| } |
| |
| return insn->n; |
| } |
| |
| static int ke_counter_insn_read(struct comedi_device *dev, |
| struct comedi_subdevice *s, |
| struct comedi_insn *insn, |
| unsigned int *data) |
| { |
| unsigned int chan = CR_CHAN(insn->chanspec); |
| unsigned int val; |
| int i; |
| |
| for (i = 0; i < insn->n; i++) { |
| /* Order matters */ |
| inb(dev->iobase + KE_LATCH_REG(chan)); |
| |
| val = inb(dev->iobase + KE_LSB_REG(chan)); |
| val |= (inb(dev->iobase + KE_MID_REG(chan)) << 8); |
| val |= (inb(dev->iobase + KE_MSB_REG(chan)) << 16); |
| val |= (inb(dev->iobase + KE_SIGN_REG(chan)) << 24); |
| |
| data[i] = val; |
| } |
| |
| return insn->n; |
| } |
| |
| static int ke_counter_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)) |
| outb(s->state, dev->iobase + KE_DO_REG); |
| |
| data[1] = s->state; |
| |
| return insn->n; |
| } |
| |
| static int ke_counter_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_COUNTER; |
| s->subdev_flags = SDF_READABLE; |
| s->n_chan = 3; |
| s->maxdata = 0x01ffffff; |
| s->range_table = &range_unknown; |
| s->insn_read = ke_counter_insn_read; |
| s->insn_write = ke_counter_insn_write; |
| |
| s = &dev->subdevices[1]; |
| s->type = COMEDI_SUBD_DO; |
| s->subdev_flags = SDF_WRITABLE; |
| s->n_chan = 3; |
| s->maxdata = 1; |
| s->range_table = &range_digital; |
| s->insn_bits = ke_counter_do_insn_bits; |
| |
| outb(KE_OSC_SEL_20MHZ, dev->iobase + KE_OSC_SEL_REG); |
| |
| outb(0, dev->iobase + KE_RESET_REG(0)); |
| outb(0, dev->iobase + KE_RESET_REG(1)); |
| outb(0, dev->iobase + KE_RESET_REG(2)); |
| |
| return 0; |
| } |
| |
| static struct comedi_driver ke_counter_driver = { |
| .driver_name = "ke_counter", |
| .module = THIS_MODULE, |
| .auto_attach = ke_counter_auto_attach, |
| .detach = comedi_pci_disable, |
| }; |
| |
| static int ke_counter_pci_probe(struct pci_dev *dev, |
| const struct pci_device_id *id) |
| { |
| return comedi_pci_auto_config(dev, &ke_counter_driver, |
| id->driver_data); |
| } |
| |
| static const struct pci_device_id ke_counter_pci_table[] = { |
| { PCI_DEVICE(PCI_VENDOR_ID_KOLTER, 0x0014) }, |
| { 0 } |
| }; |
| MODULE_DEVICE_TABLE(pci, ke_counter_pci_table); |
| |
| static struct pci_driver ke_counter_pci_driver = { |
| .name = "ke_counter", |
| .id_table = ke_counter_pci_table, |
| .probe = ke_counter_pci_probe, |
| .remove = comedi_pci_auto_unconfig, |
| }; |
| module_comedi_pci_driver(ke_counter_driver, ke_counter_pci_driver); |
| |
| MODULE_AUTHOR("Comedi http://www.comedi.org"); |
| MODULE_DESCRIPTION("Comedi driver for Kolter Electronic Counter Card"); |
| MODULE_LICENSE("GPL"); |