diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/contec_pci_dio.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/contec_pci_dio.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/contec_pci_dio.c b/drivers/staging/comedi/drivers/contec_pci_dio.c new file mode 100644 index 000000000000..1f194a0a45d6 --- /dev/null +++ b/drivers/staging/comedi/drivers/contec_pci_dio.c @@ -0,0 +1,230 @@ +/* + comedi/drivers/contec_pci_dio.c + + 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. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ +/* +Driver: contec_pci_dio +Description: Contec PIO1616L digital I/O board +Devices: [Contec] PIO1616L (contec_pci_dio) +Author: Stefano Rivoir <s.rivoir@gts.it> +Updated: Wed, 27 Jun 2007 13:00:06 +0100 +Status: works + +Configuration Options: + [0] - PCI bus of device (optional) + [1] - PCI slot of device (optional) + If bus/slot is not specified, the first supported + PCI device found will be used. +*/ + +#include "../comedidev.h" + +#include "comedi_pci.h" + +enum contec_model { + PIO1616L = 0, +}; + +struct contec_board { + const char *name; + int model; + int in_ports; + int out_ports; + int in_offs; + int out_offs; + int out_boffs; +}; +static const struct contec_board contec_boards[] = { + {"PIO1616L", PIO1616L, 16, 16, 0, 2, 10}, +}; + +#define PCI_DEVICE_ID_PIO1616L 0x8172 +static DEFINE_PCI_DEVICE_TABLE(contec_pci_table) = { + {PCI_VENDOR_ID_CONTEC, PCI_DEVICE_ID_PIO1616L, PCI_ANY_ID, PCI_ANY_ID, + 0, 0, PIO1616L}, + {0} +}; + +MODULE_DEVICE_TABLE(pci, contec_pci_table); + +#define thisboard ((const struct contec_board *)dev->board_ptr) + +struct contec_private { + int data; + + struct pci_dev *pci_dev; + +}; + +#define devpriv ((struct contec_private *)dev->private) + +static int contec_attach(struct comedi_device * dev, struct comedi_devconfig * it); +static int contec_detach(struct comedi_device * dev); +static struct comedi_driver driver_contec = { + driver_name:"contec_pci_dio", + module:THIS_MODULE, + attach:contec_attach, + detach:contec_detach, +}; + +/* Classic digital IO */ +static int contec_di_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data); +static int contec_do_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data); + +#if 0 +static int contec_cmdtest(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_cmd * cmd); + +static int contec_ns_to_timer(unsigned int *ns, int round); +#endif + +static int contec_attach(struct comedi_device * dev, struct comedi_devconfig * it) +{ + struct pci_dev *pcidev; + struct comedi_subdevice *s; + + printk("comedi%d: contec: ", dev->minor); + + dev->board_name = thisboard->name; + + if (alloc_private(dev, sizeof(struct contec_private)) < 0) + return -ENOMEM; + + if (alloc_subdevices(dev, 2) < 0) + return -ENOMEM; + + for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL); + pcidev != NULL; + pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) { + + if (pcidev->vendor == PCI_VENDOR_ID_CONTEC && + pcidev->device == PCI_DEVICE_ID_PIO1616L) { + if (it->options[0] || it->options[1]) { + /* Check bus and slot. */ + if (it->options[0] != pcidev->bus->number || + it->options[1] != + PCI_SLOT(pcidev->devfn)) { + continue; + } + } + devpriv->pci_dev = pcidev; + if (comedi_pci_enable(pcidev, "contec_pci_dio")) { + printk("error enabling PCI device and request regions!\n"); + return -EIO; + } + dev->iobase = pci_resource_start(pcidev, 0); + printk(" base addr %lx ", dev->iobase); + + dev->board_ptr = contec_boards + 0; + + s = dev->subdevices + 0; + + s->type = COMEDI_SUBD_DI; + s->subdev_flags = SDF_READABLE; + s->n_chan = 16; + s->maxdata = 1; + s->range_table = &range_digital; + s->insn_bits = contec_di_insn_bits; + + s = dev->subdevices + 1; + s->type = COMEDI_SUBD_DO; + s->subdev_flags = SDF_WRITABLE; + s->n_chan = 16; + s->maxdata = 1; + s->range_table = &range_digital; + s->insn_bits = contec_do_insn_bits; + + printk("attached\n"); + + return 1; + } + } + + printk("card not present!\n"); + + return -EIO; +} + +static int contec_detach(struct comedi_device * dev) +{ + printk("comedi%d: contec: remove\n", dev->minor); + + if (devpriv && devpriv->pci_dev) { + if (dev->iobase) { + comedi_pci_disable(devpriv->pci_dev); + } + pci_dev_put(devpriv->pci_dev); + } + + return 0; +} + +#if 0 +static int contec_cmdtest(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_cmd * cmd) +{ + printk("contec_cmdtest called\n"); + return 0; +} + +static int contec_ns_to_timer(unsigned int *ns, int round) +{ + return *ns; +} +#endif + +static int contec_do_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + + printk("contec_do_insn_bits called\n"); + printk(" data: %d %d\n", data[0], data[1]); + + if (insn->n != 2) + return -EINVAL; + + if (data[0]) { + s->state &= ~data[0]; + s->state |= data[0] & data[1]; + rt_printk(" out: %d on %lx\n", s->state, + dev->iobase + thisboard->out_offs); + outw(s->state, dev->iobase + thisboard->out_offs); + } + return 2; +} + +static int contec_di_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s, + struct comedi_insn * insn, unsigned int * data) +{ + + rt_printk("contec_di_insn_bits called\n"); + rt_printk(" data: %d %d\n", data[0], data[1]); + + if (insn->n != 2) + return -EINVAL; + + data[1] = inw(dev->iobase + thisboard->in_offs); + + return 2; +} + +COMEDI_PCI_INITCLEANUP(driver_contec, contec_pci_table); |