/* comedi/drivers/adl_pci7230.c Hardware comedi driver fot PCI7230 Adlink card Copyright (C) 2010 David Fernandez 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: adl_pci7230 Description: Driver for the Adlink PCI-7230 32 ch. isolated digital io board Devices: [ADLink] PCI-7230 (adl_pci7230) Author: David Fernandez Status: experimental Updated: Mon, 14 Apr 2008 15:08:14 +0100 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 #include "comedi_pci.h" #define PCI7230_DI 0x00 #define PCI7230_DO 0x00 #define PCI_DEVICE_ID_PCI7230 0x7230 static DEFINE_PCI_DEVICE_TABLE(adl_pci7230_pci_table) = { { PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7230, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, {0} }; MODULE_DEVICE_TABLE(pci, adl_pci7230_pci_table); struct adl_pci7230_private { int data; struct pci_dev *pci_dev; }; #define devpriv ((struct adl_pci7230_private *)dev->private) static int adl_pci7230_attach(struct comedi_device *dev, struct comedi_devconfig *it); static int adl_pci7230_detach(struct comedi_device *dev); static struct comedi_driver driver_adl_pci7230 = { .driver_name = "adl_pci7230", .module = THIS_MODULE, .attach = adl_pci7230_attach, .detach = adl_pci7230_detach, }; /* Digital IO */ static int adl_pci7230_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data); static int adl_pci7230_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data); static int adl_pci7230_attach(struct comedi_device *dev, struct comedi_devconfig *it) { struct pci_dev *pcidev = NULL; struct comedi_subdevice *s; int bus, slot; printk(KERN_INFO "comedi%d: adl_pci7230\n", dev->minor); dev->board_name = "pci7230"; bus = it->options[0]; slot = it->options[1]; if (alloc_private(dev, sizeof(struct adl_pci7230_private)) < 0) return -ENOMEM; if (alloc_subdevices(dev, 2) < 0) return -ENOMEM; for_each_pci_dev(pcidev) { if (pcidev->vendor == PCI_VENDOR_ID_ADLINK && pcidev->device == PCI_DEVICE_ID_PCI7230) { if (bus || slot) { /* requested particular bus/slot */ if (pcidev->bus->number != bus || PCI_SLOT(pcidev->devfn) != slot) { continue; } } devpriv->pci_dev = pcidev; break; } } if (pcidev == NULL) { printk(KERN_ERR "comedi%d: no supported board found! (req. bus/slot : %d/%d)\n", dev->minor, bus, slot); return -EIO; } if (comedi_pci_enable(pcidev, "adl_pci7230") < 0) { printk(KERN_ERR "comedi%d: Failed to enable PCI device and request regions\n", dev->minor); return -EIO; } dev->iobase = pci_resource_start(pcidev, 2); printk(KERN_DEBUG "comedi: base addr %4lx\n", dev->iobase); s = dev->subdevices + 0; /* Isolated do */ s->type = COMEDI_SUBD_DO; s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON; s->n_chan = 16; s->maxdata = 1; s->range_table = &range_digital; s->insn_bits = adl_pci7230_do_insn_bits; s = dev->subdevices + 1; /* Isolated di */ s->type = COMEDI_SUBD_DI; s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON; s->n_chan = 16; s->maxdata = 1; s->range_table = &range_digital; s->insn_bits = adl_pci7230_di_insn_bits; printk(KERN_DEBUG "comedi: attached\n"); return 1; } static int adl_pci7230_detach(struct comedi_device *dev) { printk(KERN_DEBUG "comedi%d: pci7230: 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; } static int adl_pci7230_do_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { if (insn->n != 2) return -EINVAL; if (data[0]) { s->state &= ~data[0]; s->state |= (data[0] & data[1]); outl((s->state << 16) & 0xffffffff, dev->iobase + PCI7230_DO); } return 2; } static int adl_pci7230_di_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { if (insn->n != 2) return -EINVAL; data[1] = inl(dev->iobase + PCI7230_DI) & 0xffffffff; return 2; } static int __devinit driver_adl_pci7230_pci_probe(struct pci_dev *dev, const struct pci_device_id *ent) { return comedi_pci_auto_config(dev, driver_adl_pci7230.driver_name); } static void __devexit driver_adl_pci7230_pci_remove(struct pci_dev *dev) { comedi_pci_auto_unconfig(dev); } static struct pci_driver driver_adl_pci7230_pci_driver = { .id_table = adl_pci7230_pci_table, .probe = &driver_adl_pci7230_pci_probe, .remove = __devexit_p(&driver_adl_pci7230_pci_remove) }; static int __init driver_adl_pci7230_init_module(void) { int retval; retval = comedi_driver_register(&driver_adl_pci7230); if (retval < 0) return retval; driver_adl_pci7230_pci_driver.name = (char *)driver_adl_pci7230.driver_name; return pci_register_driver(&driver_adl_pci7230_pci_driver); } static void __exit driver_adl_pci7230_cleanup_module(void) { pci_unregister_driver(&driver_adl_pci7230_pci_driver); comedi_driver_unregister(&driver_adl_pci7230); } module_init(driver_adl_pci7230_init_module); module_exit(driver_adl_pci7230_cleanup_module); MODULE_AUTHOR("Comedi http://www.comedi.org"); MODULE_DESCRIPTION("Comedi low-level driver"); MODULE_LICENSE("GPL");