3 * Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
4 * Project manager: S. Weber
9 * Tel: +19(0)7223/9493-0
10 * Fax: +49(0)7223/9493-92
11 * http://www.addi-data.com
14 * This program is free software; you can redistribute it and/or modify it
15 * under the terms of the GNU General Public License as published by the
16 * Free Software Foundation; either version 2 of the License, or (at your
17 * option) any later version.
19 * This program is distributed in the hope that it will be useful, but WITHOUT
20 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
21 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
25 #include <linux/pci.h>
27 #include "../comedidev.h"
32 #define APCI16XX_IN_REG(x) (((x) * 4) + 0x08)
33 #define APCI16XX_OUT_REG(x) (((x) * 4) + 0x14)
34 #define APCI16XX_DIR_REG(x) (((x) * 4) + 0x20)
36 enum apci16xx_boardid {
41 struct apci16xx_boardinfo {
46 static const struct apci16xx_boardinfo apci16xx_boardtypes[] = {
49 .n_chan = 48, /* 2 subdevices */
53 .n_chan = 96, /* 3 subdevices */
57 static int apci16xx_insn_config(struct comedi_device *dev,
58 struct comedi_subdevice *s,
59 struct comedi_insn *insn,
62 unsigned int chan_mask = 1 << CR_CHAN(insn->chanspec);
66 * Each 8-bit "port" is configurable as either input or
67 * output. Changing the configuration of any channel in
68 * a port changes the entire port.
70 if (chan_mask & 0x000000ff)
72 else if (chan_mask & 0x0000ff00)
74 else if (chan_mask & 0x00ff0000)
80 case INSN_CONFIG_DIO_INPUT:
83 case INSN_CONFIG_DIO_OUTPUT:
86 case INSN_CONFIG_DIO_QUERY:
87 data[1] = (s->io_bits & bits) ? COMEDI_INPUT : COMEDI_OUTPUT;
93 outl(s->io_bits, dev->iobase + APCI16XX_DIR_REG(s->index));
98 static int apci16xx_dio_insn_bits(struct comedi_device *dev,
99 struct comedi_subdevice *s,
100 struct comedi_insn *insn,
103 unsigned int mask = data[0];
104 unsigned int bits = data[1];
106 /* Only update the channels configured as outputs */
110 s->state |= (bits & mask);
112 outl(s->state, dev->iobase + APCI16XX_OUT_REG(s->index));
115 data[1] = inl(dev->iobase + APCI16XX_IN_REG(s->index));
120 static int apci16xx_auto_attach(struct comedi_device *dev,
121 unsigned long context)
123 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
124 const struct apci16xx_boardinfo *board = NULL;
125 struct comedi_subdevice *s;
126 unsigned int n_subdevs;
131 if (context < ARRAY_SIZE(apci16xx_boardtypes))
132 board = &apci16xx_boardtypes[context];
135 dev->board_ptr = board;
136 dev->board_name = board->name;
138 ret = comedi_pci_enable(dev);
142 dev->iobase = pci_resource_start(pcidev, 0);
145 * Work out the nubmer of subdevices needed to support all the
146 * digital i/o channels on the board. Each subdevice supports
149 n_subdevs = board->n_chan / 32;
150 if ((n_subdevs * 32) < board->n_chan) {
151 last = board->n_chan - (n_subdevs * 32);
157 ret = comedi_alloc_subdevices(dev, n_subdevs);
161 /* Initialize the TTL digital i/o subdevices */
162 for (i = 0; i < n_subdevs; i++) {
163 s = &dev->subdevices[i];
164 s->type = COMEDI_SUBD_DIO;
165 s->subdev_flags = SDF_WRITEABLE | SDF_READABLE;
166 s->n_chan = ((i * 32) < board->n_chan) ? 32 : last;
168 s->range_table = &range_digital;
169 s->insn_config = apci16xx_insn_config;
170 s->insn_bits = apci16xx_dio_insn_bits;
172 /* Default all channels to inputs */
174 outl(s->io_bits, dev->iobase + APCI16XX_DIR_REG(i));
180 static struct comedi_driver apci16xx_driver = {
181 .driver_name = "addi_apci_16xx",
182 .module = THIS_MODULE,
183 .auto_attach = apci16xx_auto_attach,
184 .detach = comedi_pci_disable,
187 static int apci16xx_pci_probe(struct pci_dev *dev,
188 const struct pci_device_id *id)
190 return comedi_pci_auto_config(dev, &apci16xx_driver, id->driver_data);
193 static DEFINE_PCI_DEVICE_TABLE(apci16xx_pci_table) = {
194 { PCI_VDEVICE(ADDIDATA, 0x1009), BOARD_APCI1648 },
195 { PCI_VDEVICE(ADDIDATA, 0x100a), BOARD_APCI1696 },
198 MODULE_DEVICE_TABLE(pci, apci16xx_pci_table);
200 static struct pci_driver apci16xx_pci_driver = {
201 .name = "addi_apci_16xx",
202 .id_table = apci16xx_pci_table,
203 .probe = apci16xx_pci_probe,
204 .remove = comedi_pci_auto_unconfig,
206 module_comedi_pci_driver(apci16xx_driver, apci16xx_pci_driver);
208 MODULE_DESCRIPTION("ADDI-DATA APCI-1648/1696, TTL I/O boards");
209 MODULE_AUTHOR("Comedi http://www.comedi.org");
210 MODULE_LICENSE("GPL");