contec_pci_dio.c revision ce41d7d666da4a3d12d0ad6d5b29146b25670037
1/* 2 comedi/drivers/contec_pci_dio.c 3 4 COMEDI - Linux Control and Measurement Device Interface 5 Copyright (C) 2000 David A. Schleef <ds@schleef.org> 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 21*/ 22/* 23Driver: contec_pci_dio 24Description: Contec PIO1616L digital I/O board 25Devices: [Contec] PIO1616L (contec_pci_dio) 26Author: Stefano Rivoir <s.rivoir@gts.it> 27Updated: Wed, 27 Jun 2007 13:00:06 +0100 28Status: works 29 30Configuration Options: 31 [0] - PCI bus of device (optional) 32 [1] - PCI slot of device (optional) 33 If bus/slot is not specified, the first supported 34 PCI device found will be used. 35*/ 36 37#include "../comedidev.h" 38 39#include "comedi_pci.h" 40 41enum contec_model { 42 PIO1616L = 0, 43}; 44 45struct contec_board { 46 const char *name; 47 int model; 48 int in_ports; 49 int out_ports; 50 int in_offs; 51 int out_offs; 52 int out_boffs; 53}; 54static const struct contec_board contec_boards[] = { 55 {"PIO1616L", PIO1616L, 16, 16, 0, 2, 10}, 56}; 57 58#define PCI_DEVICE_ID_PIO1616L 0x8172 59 60#define thisboard ((const struct contec_board *)dev->board_ptr) 61 62struct contec_private { 63 int data; 64 65 struct pci_dev *pci_dev; 66 67}; 68 69#define devpriv ((struct contec_private *)dev->private) 70 71static int contec_do_insn_bits(struct comedi_device *dev, 72 struct comedi_subdevice *s, 73 struct comedi_insn *insn, unsigned int *data) 74{ 75 76 dev_dbg(dev->hw_dev, "contec_do_insn_bits called\n"); 77 dev_dbg(dev->hw_dev, "data: %d %d\n", data[0], data[1]); 78 79 if (insn->n != 2) 80 return -EINVAL; 81 82 if (data[0]) { 83 s->state &= ~data[0]; 84 s->state |= data[0] & data[1]; 85 dev_dbg(dev->hw_dev, "out: %d on %lx\n", s->state, 86 dev->iobase + thisboard->out_offs); 87 outw(s->state, dev->iobase + thisboard->out_offs); 88 } 89 return 2; 90} 91 92static int contec_di_insn_bits(struct comedi_device *dev, 93 struct comedi_subdevice *s, 94 struct comedi_insn *insn, unsigned int *data) 95{ 96 97 dev_dbg(dev->hw_dev, "contec_di_insn_bits called\n"); 98 dev_dbg(dev->hw_dev, "data: %d %d\n", data[0], data[1]); 99 100 if (insn->n != 2) 101 return -EINVAL; 102 103 data[1] = inw(dev->iobase + thisboard->in_offs); 104 105 return 2; 106} 107 108static int contec_attach(struct comedi_device *dev, struct comedi_devconfig *it) 109{ 110 struct pci_dev *pcidev = NULL; 111 struct comedi_subdevice *s; 112 113 printk("comedi%d: contec: ", dev->minor); 114 115 dev->board_name = thisboard->name; 116 117 if (alloc_private(dev, sizeof(struct contec_private)) < 0) 118 return -ENOMEM; 119 120 if (alloc_subdevices(dev, 2) < 0) 121 return -ENOMEM; 122 123 for_each_pci_dev(pcidev) { 124 if (pcidev->vendor == PCI_VENDOR_ID_CONTEC && 125 pcidev->device == PCI_DEVICE_ID_PIO1616L) { 126 if (it->options[0] || it->options[1]) { 127 /* Check bus and slot. */ 128 if (it->options[0] != pcidev->bus->number || 129 it->options[1] != PCI_SLOT(pcidev->devfn)) { 130 continue; 131 } 132 } 133 devpriv->pci_dev = pcidev; 134 if (comedi_pci_enable(pcidev, "contec_pci_dio")) { 135 printk 136 ("error enabling PCI device and request regions!\n"); 137 return -EIO; 138 } 139 dev->iobase = pci_resource_start(pcidev, 0); 140 printk(" base addr %lx ", dev->iobase); 141 142 dev->board_ptr = contec_boards + 0; 143 144 s = dev->subdevices + 0; 145 146 s->type = COMEDI_SUBD_DI; 147 s->subdev_flags = SDF_READABLE; 148 s->n_chan = 16; 149 s->maxdata = 1; 150 s->range_table = &range_digital; 151 s->insn_bits = contec_di_insn_bits; 152 153 s = dev->subdevices + 1; 154 s->type = COMEDI_SUBD_DO; 155 s->subdev_flags = SDF_WRITABLE; 156 s->n_chan = 16; 157 s->maxdata = 1; 158 s->range_table = &range_digital; 159 s->insn_bits = contec_do_insn_bits; 160 161 printk("attached\n"); 162 163 return 1; 164 } 165 } 166 167 printk("card not present!\n"); 168 169 return -EIO; 170} 171 172static int contec_detach(struct comedi_device *dev) 173{ 174 printk("comedi%d: contec: remove\n", dev->minor); 175 176 if (devpriv && devpriv->pci_dev) { 177 if (dev->iobase) 178 comedi_pci_disable(devpriv->pci_dev); 179 pci_dev_put(devpriv->pci_dev); 180 } 181 182 return 0; 183} 184 185static struct comedi_driver contec_pci_dio_driver = { 186 .driver_name = "contec_pci_dio", 187 .module = THIS_MODULE, 188 .attach = contec_attach, 189 .detach = contec_detach, 190}; 191 192static int __devinit contec_pci_dio_pci_probe(struct pci_dev *dev, 193 const struct pci_device_id *ent) 194{ 195 return comedi_pci_auto_config(dev, &contec_pci_dio_driver); 196} 197 198static void __devexit contec_pci_dio_pci_remove(struct pci_dev *dev) 199{ 200 comedi_pci_auto_unconfig(dev); 201} 202 203static DEFINE_PCI_DEVICE_TABLE(contec_pci_dio_pci_table) = { 204 { PCI_DEVICE(PCI_VENDOR_ID_CONTEC, PCI_DEVICE_ID_PIO1616L), 205 .driver_data = PIO1616L }, 206 { 0 } 207}; 208MODULE_DEVICE_TABLE(pci, contec_pci_dio_pci_table); 209 210static struct pci_driver contec_pci_dio_pci_driver = { 211 .name = "contec_pci_dio", 212 .id_table = contec_pci_dio_pci_table, 213 .probe = contec_pci_dio_pci_probe, 214 .remove = __devexit_p(contec_pci_dio_pci_remove), 215}; 216module_comedi_pci_driver(contec_pci_dio_driver, contec_pci_dio_pci_driver); 217 218MODULE_AUTHOR("Comedi http://www.comedi.org"); 219MODULE_DESCRIPTION("Comedi low-level driver"); 220MODULE_LICENSE("GPL"); 221