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 59static DEFINE_PCI_DEVICE_TABLE(contec_pci_table) = { 60 { 61 PCI_VENDOR_ID_CONTEC, PCI_DEVICE_ID_PIO1616L, PCI_ANY_ID, 62 PCI_ANY_ID, 0, 0, PIO1616L}, { 63 0} 64}; 65 66MODULE_DEVICE_TABLE(pci, contec_pci_table); 67 68#define thisboard ((const struct contec_board *)dev->board_ptr) 69 70struct contec_private { 71 int data; 72 73 struct pci_dev *pci_dev; 74 75}; 76 77#define devpriv ((struct contec_private *)dev->private) 78 79static int contec_attach(struct comedi_device *dev, 80 struct comedi_devconfig *it); 81static int contec_detach(struct comedi_device *dev); 82static struct comedi_driver driver_contec = { 83 .driver_name = "contec_pci_dio", 84 .module = THIS_MODULE, 85 .attach = contec_attach, 86 .detach = contec_detach, 87}; 88 89/* Classic digital IO */ 90static int contec_di_insn_bits(struct comedi_device *dev, 91 struct comedi_subdevice *s, 92 struct comedi_insn *insn, unsigned int *data); 93static int contec_do_insn_bits(struct comedi_device *dev, 94 struct comedi_subdevice *s, 95 struct comedi_insn *insn, unsigned int *data); 96 97 98static int contec_attach(struct comedi_device *dev, struct comedi_devconfig *it) 99{ 100 struct pci_dev *pcidev = NULL; 101 struct comedi_subdevice *s; 102 103 printk("comedi%d: contec: ", dev->minor); 104 105 dev->board_name = thisboard->name; 106 107 if (alloc_private(dev, sizeof(struct contec_private)) < 0) 108 return -ENOMEM; 109 110 if (alloc_subdevices(dev, 2) < 0) 111 return -ENOMEM; 112 113 for_each_pci_dev(pcidev) { 114 if (pcidev->vendor == PCI_VENDOR_ID_CONTEC && 115 pcidev->device == PCI_DEVICE_ID_PIO1616L) { 116 if (it->options[0] || it->options[1]) { 117 /* Check bus and slot. */ 118 if (it->options[0] != pcidev->bus->number || 119 it->options[1] != PCI_SLOT(pcidev->devfn)) { 120 continue; 121 } 122 } 123 devpriv->pci_dev = pcidev; 124 if (comedi_pci_enable(pcidev, "contec_pci_dio")) { 125 printk 126 ("error enabling PCI device and request regions!\n"); 127 return -EIO; 128 } 129 dev->iobase = pci_resource_start(pcidev, 0); 130 printk(" base addr %lx ", dev->iobase); 131 132 dev->board_ptr = contec_boards + 0; 133 134 s = dev->subdevices + 0; 135 136 s->type = COMEDI_SUBD_DI; 137 s->subdev_flags = SDF_READABLE; 138 s->n_chan = 16; 139 s->maxdata = 1; 140 s->range_table = &range_digital; 141 s->insn_bits = contec_di_insn_bits; 142 143 s = dev->subdevices + 1; 144 s->type = COMEDI_SUBD_DO; 145 s->subdev_flags = SDF_WRITABLE; 146 s->n_chan = 16; 147 s->maxdata = 1; 148 s->range_table = &range_digital; 149 s->insn_bits = contec_do_insn_bits; 150 151 printk("attached\n"); 152 153 return 1; 154 } 155 } 156 157 printk("card not present!\n"); 158 159 return -EIO; 160} 161 162static int contec_detach(struct comedi_device *dev) 163{ 164 printk("comedi%d: contec: remove\n", dev->minor); 165 166 if (devpriv && devpriv->pci_dev) { 167 if (dev->iobase) 168 comedi_pci_disable(devpriv->pci_dev); 169 pci_dev_put(devpriv->pci_dev); 170 } 171 172 return 0; 173} 174 175 176static int contec_do_insn_bits(struct comedi_device *dev, 177 struct comedi_subdevice *s, 178 struct comedi_insn *insn, unsigned int *data) 179{ 180 181 printk("contec_do_insn_bits called\n"); 182 printk(" data: %d %d\n", data[0], data[1]); 183 184 if (insn->n != 2) 185 return -EINVAL; 186 187 if (data[0]) { 188 s->state &= ~data[0]; 189 s->state |= data[0] & data[1]; 190 printk(" out: %d on %lx\n", s->state, 191 dev->iobase + thisboard->out_offs); 192 outw(s->state, dev->iobase + thisboard->out_offs); 193 } 194 return 2; 195} 196 197static int contec_di_insn_bits(struct comedi_device *dev, 198 struct comedi_subdevice *s, 199 struct comedi_insn *insn, unsigned int *data) 200{ 201 202 printk("contec_di_insn_bits called\n"); 203 printk(" data: %d %d\n", data[0], data[1]); 204 205 if (insn->n != 2) 206 return -EINVAL; 207 208 data[1] = inw(dev->iobase + thisboard->in_offs); 209 210 return 2; 211} 212 213static int __devinit driver_contec_pci_probe(struct pci_dev *dev, 214 const struct pci_device_id *ent) 215{ 216 return comedi_pci_auto_config(dev, driver_contec.driver_name); 217} 218 219static void __devexit driver_contec_pci_remove(struct pci_dev *dev) 220{ 221 comedi_pci_auto_unconfig(dev); 222} 223 224static struct pci_driver driver_contec_pci_driver = { 225 .id_table = contec_pci_table, 226 .probe = &driver_contec_pci_probe, 227 .remove = __devexit_p(&driver_contec_pci_remove) 228}; 229 230static int __init driver_contec_init_module(void) 231{ 232 int retval; 233 234 retval = comedi_driver_register(&driver_contec); 235 if (retval < 0) 236 return retval; 237 238 driver_contec_pci_driver.name = (char *)driver_contec.driver_name; 239 return pci_register_driver(&driver_contec_pci_driver); 240} 241 242static void __exit driver_contec_cleanup_module(void) 243{ 244 pci_unregister_driver(&driver_contec_pci_driver); 245 comedi_driver_unregister(&driver_contec); 246} 247 248module_init(driver_contec_init_module); 249module_exit(driver_contec_cleanup_module); 250 251MODULE_AUTHOR("Comedi http://www.comedi.org"); 252MODULE_DESCRIPTION("Comedi low-level driver"); 253MODULE_LICENSE("GPL"); 254