diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_labpc_pci.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_labpc_pci.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers/ni_labpc_pci.c b/drivers/staging/comedi/drivers/ni_labpc_pci.c new file mode 100644 index 00000000000..8e916f86cce --- /dev/null +++ b/drivers/staging/comedi/drivers/ni_labpc_pci.c @@ -0,0 +1,142 @@ +/* + * comedi/drivers/ni_labpc_pci.c + * Driver for National Instruments Lab-PC PCI-1200 + * Copyright (C) 2001, 2002, 2003 Frank Mori Hess <fmhess@users.sourceforge.net> + * + * 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: ni_labpc_pci + * Description: National Instruments Lab-PC PCI-1200 + * Devices: (National Instruments) PCI-1200 [ni_pci-1200] + * Author: Frank Mori Hess <fmhess@users.sourceforge.net> + * Status: works + * + * This is the PCI-specific support split off from the ni_labpc driver. + * + * Configuration Options: not applicable, uses PCI auto config + * + * NI manuals: + * 340914a (pci-1200) + */ + +#include <linux/interrupt.h> +#include <linux/slab.h> +#include <linux/pci.h> + +#include "../comedidev.h" + +#include "mite.h" +#include "ni_labpc.h" + +enum labpc_pci_boardid { + BOARD_NI_PCI1200, +}; + +static const struct labpc_boardinfo labpc_pci_boards[] = { + [BOARD_NI_PCI1200] = { + .name = "ni_pci-1200", + .ai_speed = 10000, + .register_layout = labpc_1200_layout, + .has_ao = 1, + .ai_range_table = &range_labpc_1200_ai, + .ai_range_code = labpc_1200_ai_gain_bits, + .ai_scan_up = 1, + .has_mmio = 1, + }, +}; + +static int labpc_pci_auto_attach(struct comedi_device *dev, + unsigned long context) +{ + struct pci_dev *pcidev = comedi_to_pci_dev(dev); + const struct labpc_boardinfo *board = NULL; + struct labpc_private *devpriv; + int ret; + + if (context < ARRAY_SIZE(labpc_pci_boards)) + board = &labpc_pci_boards[context]; + if (!board) + return -ENODEV; + dev->board_ptr = board; + dev->board_name = board->name; + + ret = comedi_pci_enable(dev); + if (ret) + return ret; + + devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL); + if (!devpriv) + return -ENOMEM; + dev->private = devpriv; + + devpriv->mite = mite_alloc(pcidev); + if (!devpriv->mite) + return -ENOMEM; + ret = mite_setup(devpriv->mite); + if (ret < 0) + return ret; + dev->iobase = (unsigned long)devpriv->mite->daq_io_addr; + + return labpc_common_attach(dev, mite_irq(devpriv->mite), IRQF_SHARED); +} + +static void labpc_pci_detach(struct comedi_device *dev) +{ + struct labpc_private *devpriv = dev->private; + + labpc_common_detach(dev); + + if (devpriv && devpriv->mite) { + mite_unsetup(devpriv->mite); + mite_free(devpriv->mite); + } + if (dev->irq) + free_irq(dev->irq, dev); + comedi_pci_disable(dev); +} + +static struct comedi_driver labpc_pci_comedi_driver = { + .driver_name = "labpc_pci", + .module = THIS_MODULE, + .auto_attach = labpc_pci_auto_attach, + .detach = labpc_pci_detach, +}; + +static DEFINE_PCI_DEVICE_TABLE(labpc_pci_table) = { + { PCI_VDEVICE(NI, 0x161), BOARD_NI_PCI1200 }, + { 0 } +}; +MODULE_DEVICE_TABLE(pci, labpc_pci_table); + +static int labpc_pci_probe(struct pci_dev *dev, + const struct pci_device_id *id) +{ + return comedi_pci_auto_config(dev, &labpc_pci_comedi_driver, + id->driver_data); +} + +static struct pci_driver labpc_pci_driver = { + .name = "labpc_pci", + .id_table = labpc_pci_table, + .probe = labpc_pci_probe, + .remove = comedi_pci_auto_unconfig, +}; +module_comedi_pci_driver(labpc_pci_comedi_driver, labpc_pci_driver); + +MODULE_DESCRIPTION("Comedi: National Instruments Lab-PC PCI-1200 driver"); +MODULE_AUTHOR("Comedi http://www.comedi.org"); +MODULE_LICENSE("GPL"); |