contec_pci_dio.c revision 426054ce11ecb416048aa0f92628fa4ba93c3a0e
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#if 0 98static int contec_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, 99 struct comedi_cmd *cmd); 100 101static int contec_ns_to_timer(unsigned int *ns, int round); 102#endif 103 104static int contec_attach(struct comedi_device *dev, struct comedi_devconfig *it) 105{ 106 struct pci_dev *pcidev; 107 struct comedi_subdevice *s; 108 109 printk("comedi%d: contec: ", dev->minor); 110 111 dev->board_name = thisboard->name; 112 113 if (alloc_private(dev, sizeof(struct contec_private)) < 0) 114 return -ENOMEM; 115 116 if (alloc_subdevices(dev, 2) < 0) 117 return -ENOMEM; 118 119 for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL); 120 pcidev != NULL; 121 pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) { 122 123 if (pcidev->vendor == PCI_VENDOR_ID_CONTEC && 124 pcidev->device == PCI_DEVICE_ID_PIO1616L) { 125 if (it->options[0] || it->options[1]) { 126 /* Check bus and slot. */ 127 if (it->options[0] != pcidev->bus->number || 128 it->options[1] != PCI_SLOT(pcidev->devfn)) { 129 continue; 130 } 131 } 132 devpriv->pci_dev = pcidev; 133 if (comedi_pci_enable(pcidev, "contec_pci_dio")) { 134 printk 135 ("error enabling PCI device and request regions!\n"); 136 return -EIO; 137 } 138 dev->iobase = pci_resource_start(pcidev, 0); 139 printk(" base addr %lx ", dev->iobase); 140 141 dev->board_ptr = contec_boards + 0; 142 143 s = dev->subdevices + 0; 144 145 s->type = COMEDI_SUBD_DI; 146 s->subdev_flags = SDF_READABLE; 147 s->n_chan = 16; 148 s->maxdata = 1; 149 s->range_table = &range_digital; 150 s->insn_bits = contec_di_insn_bits; 151 152 s = dev->subdevices + 1; 153 s->type = COMEDI_SUBD_DO; 154 s->subdev_flags = SDF_WRITABLE; 155 s->n_chan = 16; 156 s->maxdata = 1; 157 s->range_table = &range_digital; 158 s->insn_bits = contec_do_insn_bits; 159 160 printk("attached\n"); 161 162 return 1; 163 } 164 } 165 166 printk("card not present!\n"); 167 168 return -EIO; 169} 170 171static int contec_detach(struct comedi_device *dev) 172{ 173 printk("comedi%d: contec: remove\n", dev->minor); 174 175 if (devpriv && devpriv->pci_dev) { 176 if (dev->iobase) 177 comedi_pci_disable(devpriv->pci_dev); 178 pci_dev_put(devpriv->pci_dev); 179 } 180 181 return 0; 182} 183 184#if 0 185static int contec_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, 186 struct comedi_cmd *cmd) 187{ 188 printk("contec_cmdtest called\n"); 189 return 0; 190} 191 192static int contec_ns_to_timer(unsigned int *ns, int round) 193{ 194 return *ns; 195} 196#endif 197 198static int contec_do_insn_bits(struct comedi_device *dev, 199 struct comedi_subdevice *s, 200 struct comedi_insn *insn, unsigned int *data) 201{ 202 203 printk("contec_do_insn_bits called\n"); 204 printk(" data: %d %d\n", data[0], data[1]); 205 206 if (insn->n != 2) 207 return -EINVAL; 208 209 if (data[0]) { 210 s->state &= ~data[0]; 211 s->state |= data[0] & data[1]; 212 printk(" out: %d on %lx\n", s->state, 213 dev->iobase + thisboard->out_offs); 214 outw(s->state, dev->iobase + thisboard->out_offs); 215 } 216 return 2; 217} 218 219static int contec_di_insn_bits(struct comedi_device *dev, 220 struct comedi_subdevice *s, 221 struct comedi_insn *insn, unsigned int *data) 222{ 223 224 printk("contec_di_insn_bits called\n"); 225 printk(" data: %d %d\n", data[0], data[1]); 226 227 if (insn->n != 2) 228 return -EINVAL; 229 230 data[1] = inw(dev->iobase + thisboard->in_offs); 231 232 return 2; 233} 234 235COMEDI_PCI_INITCLEANUP(driver_contec, contec_pci_table); 236