diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/cb_pcidio.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/cb_pcidio.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/drivers/staging/comedi/drivers/cb_pcidio.c b/drivers/staging/comedi/drivers/cb_pcidio.c deleted file mode 100644 index e370d0d81bbd..000000000000 --- a/drivers/staging/comedi/drivers/cb_pcidio.c +++ /dev/null @@ -1,211 +0,0 @@ -/* - comedi/drivers/cb_pcidio.c - A Comedi driver for PCI-DIO24H & PCI-DIO48H of ComputerBoards (currently MeasurementComputing) - - 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: cb_pcidio -Description: ComputerBoards' DIO boards with PCI interface -Devices: [Measurement Computing] PCI-DIO24 (cb_pcidio), PCI-DIO24H, PCI-DIO48H -Author: Yoshiya Matsuzaka -Updated: Mon, 29 Oct 2007 15:40:47 +0000 -Status: experimental - -This driver has been modified from skel.c of comedi-0.7.70. - -Configuration Options: - [0] - PCI bus of device (optional) - [1] - PCI slot of device (optional) - If bus/slot is not specified, the first available PCI device will - be used. - -Passing a zero for an option is the same as leaving it unspecified. -*/ - -/*------------------------------ HEADER FILES ---------------------------------*/ -#include "../comedidev.h" -#include "8255.h" - -/*-------------------------- MACROS and DATATYPES -----------------------------*/ -#define PCI_VENDOR_ID_CB 0x1307 - -/* - * Board descriptions for two imaginary boards. Describing the - * boards in this way is optional, and completely driver-dependent. - * Some drivers use arrays such as this, other do not. - */ -struct pcidio_board { - const char *name; /* name of the board */ - int dev_id; - int n_8255; /* number of 8255 chips on board */ - - /* indices of base address regions */ - int pcicontroler_badrindex; - int dioregs_badrindex; -}; - -static const struct pcidio_board pcidio_boards[] = { - { - .name = "pci-dio24", - .dev_id = 0x0028, - .n_8255 = 1, - .pcicontroler_badrindex = 1, - .dioregs_badrindex = 2, - }, - { - .name = "pci-dio24h", - .dev_id = 0x0014, - .n_8255 = 1, - .pcicontroler_badrindex = 1, - .dioregs_badrindex = 2, - }, - { - .name = "pci-dio48h", - .dev_id = 0x000b, - .n_8255 = 2, - .pcicontroler_badrindex = 0, - .dioregs_badrindex = 1, - }, -}; - -/* - * Useful for shorthand access to the particular board structure - */ -#define thisboard ((const struct pcidio_board *)dev->board_ptr) - -static struct pci_dev *pcidio_find_pci_dev(struct comedi_device *dev, - struct comedi_devconfig *it) -{ - struct pci_dev *pcidev = NULL; - int bus = it->options[0]; - int slot = it->options[1]; - int i; - - for_each_pci_dev(pcidev) { - if (bus || slot) { - if (bus != pcidev->bus->number || - slot != PCI_SLOT(pcidev->devfn)) - continue; - } - if (pcidev->vendor != PCI_VENDOR_ID_CB) - continue; - for (i = 0; i < ARRAY_SIZE(pcidio_boards); i++) { - if (pcidio_boards[i].dev_id != pcidev->device) - continue; - - dev->board_ptr = pcidio_boards + i; - return pcidev; - } - } - dev_err(dev->class_dev, - "No supported board found! (req. bus %d, slot %d)\n", - bus, slot); - return NULL; -} - -static int pcidio_attach(struct comedi_device *dev, struct comedi_devconfig *it) -{ - struct pci_dev *pcidev; - int i; - int ret; - - pcidev = pcidio_find_pci_dev(dev, it); - if (!pcidev) - return -EIO; - comedi_set_hw_dev(dev, &pcidev->dev); - -/* - * Initialize dev->board_name. Note that we can use the "thisboard" - * macro now, since we just initialized it in the last line. - */ - dev->board_name = thisboard->name; - - if (comedi_pci_enable(pcidev, thisboard->name)) - return -EIO; - - dev->iobase = pci_resource_start(pcidev, thisboard->dioregs_badrindex); - - ret = comedi_alloc_subdevices(dev, thisboard->n_8255); - if (ret) - return ret; - - for (i = 0; i < thisboard->n_8255; i++) { - subdev_8255_init(dev, dev->subdevices + i, - NULL, dev->iobase + i * 4); - dev_dbg(dev->class_dev, "subdev %d: base = 0x%lx\n", i, - dev->iobase + i * 4); - } - - return 1; -} - -static void pcidio_detach(struct comedi_device *dev) -{ - struct pci_dev *pcidev = comedi_to_pci_dev(dev); - - if (pcidev) { - if (dev->iobase) - comedi_pci_disable(pcidev); - pci_dev_put(pcidev); - } - if (dev->subdevices) { - int i; - for (i = 0; i < thisboard->n_8255; i++) - subdev_8255_cleanup(dev, dev->subdevices + i); - } -} - -static struct comedi_driver cb_pcidio_driver = { - .driver_name = "cb_pcidio", - .module = THIS_MODULE, - .attach = pcidio_attach, - .detach = pcidio_detach, -}; - -static int __devinit cb_pcidio_pci_probe(struct pci_dev *dev, - const struct pci_device_id *ent) -{ - return comedi_pci_auto_config(dev, &cb_pcidio_driver); -} - -static void __devexit cb_pcidio_pci_remove(struct pci_dev *dev) -{ - comedi_pci_auto_unconfig(dev); -} - -static DEFINE_PCI_DEVICE_TABLE(cb_pcidio_pci_table) = { - { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0028) }, - { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0014) }, - { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x000b) }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, cb_pcidio_pci_table); - -static struct pci_driver cb_pcidio_pci_driver = { - .name = "cb_pcidio", - .id_table = cb_pcidio_pci_table, - .probe = cb_pcidio_pci_probe, - .remove = __devexit_p(cb_pcidio_pci_remove), -}; -module_comedi_pci_driver(cb_pcidio_driver, cb_pcidio_pci_driver); - -MODULE_AUTHOR("Comedi http://www.comedi.org"); -MODULE_DESCRIPTION("Comedi low-level driver"); -MODULE_LICENSE("GPL"); |