diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi_apci_2200.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi_apci_2200.c | 187 |
1 files changed, 146 insertions, 41 deletions
diff --git a/drivers/staging/comedi/drivers/addi_apci_2200.c b/drivers/staging/comedi/drivers/addi_apci_2200.c index 7c2c5db01218..b1c4226902e1 100644 --- a/drivers/staging/comedi/drivers/addi_apci_2200.c +++ b/drivers/staging/comedi/drivers/addi_apci_2200.c @@ -1,42 +1,152 @@ +/* + * addi_apci_2200.c + * Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module. + * Project manager: Eric Stolz + * + * ADDI-DATA GmbH + * Dieselstrasse 3 + * D-77833 Ottersweier + * Tel: +19(0)7223/9493-0 + * Fax: +49(0)7223/9493-92 + * http://www.addi-data.com + * info@addi-data.com + * + * 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., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * You should also find the complete GPL in the COPYING file accompanying + * this source code. + */ + +#include <linux/pci.h> + #include "../comedidev.h" -#include "comedi_fc.h" -#include "amcc_s5933.h" - -#include "addi-data/addi_common.h" - -#include "addi-data/addi_eeprom.c" -#include "addi-data/hwdrv_apci2200.c" -#include "addi-data/addi_common.c" - -static const struct addi_board apci2200_boardtypes[] = { - { - .pc_DriverName = "apci2200", - .i_VendorId = PCI_VENDOR_ID_ADDIDATA, - .i_DeviceId = 0x1005, - .i_IorangeBase0 = 4, - .i_IorangeBase1 = APCI2200_ADDRESS_RANGE, - .i_PCIEeprom = ADDIDATA_EEPROM, - .pc_EepromChip = ADDIDATA_93C76, - .i_NbrDiChannel = 8, - .i_NbrDoChannel = 16, - .i_Timer = 1, - .reset = i_APCI2200_Reset, - .di_bits = apci2200_di_insn_bits, - .do_bits = apci2200_do_insn_bits, - .timer_config = i_APCI2200_ConfigWatchdog, - .timer_write = i_APCI2200_StartStopWriteWatchdog, - .timer_read = i_APCI2200_ReadWatchdog, - }, -}; +#include "addi_watchdog.h" + +/* + * I/O Register Map + */ +#define APCI2200_DI_REG 0x00 +#define APCI2200_DO_REG 0x04 +#define APCI2200_WDOG_REG 0x08 + +static int apci2200_di_insn_bits(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) +{ + data[1] = inw(dev->iobase + APCI2200_DI_REG); + + return insn->n; +} + +static int apci2200_do_insn_bits(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, + unsigned int *data) +{ + unsigned int mask = data[0]; + unsigned int bits = data[1]; + + s->state = inw(dev->iobase + APCI2200_DO_REG); + if (mask) { + s->state &= ~mask; + s->state |= (bits & mask); + + outw(s->state, dev->iobase + APCI2200_DO_REG); + } + + data[1] = s->state; + + return insn->n; +} + +static int apci2200_reset(struct comedi_device *dev) +{ + outw(0x0, dev->iobase + APCI2200_DO_REG); + + addi_watchdog_reset(dev->iobase + APCI2200_WDOG_REG); + + return 0; +} + +static int apci2200_auto_attach(struct comedi_device *dev, + unsigned long context_unused) +{ + struct pci_dev *pcidev = comedi_to_pci_dev(dev); + struct comedi_subdevice *s; + int ret; + + dev->board_name = dev->driver->driver_name; + + ret = comedi_pci_enable(pcidev, dev->board_name); + if (ret) + return ret; + + dev->iobase = pci_resource_start(pcidev, 1); + + ret = comedi_alloc_subdevices(dev, 3); + if (ret) + return ret; + + /* Initialize the digital input subdevice */ + s = &dev->subdevices[0]; + s->type = COMEDI_SUBD_DI; + s->subdev_flags = SDF_READABLE; + s->n_chan = 8; + s->maxdata = 1; + s->range_table = &range_digital; + s->insn_bits = apci2200_di_insn_bits; + + /* Initialize the digital output subdevice */ + s = &dev->subdevices[1]; + s->type = COMEDI_SUBD_DO; + s->subdev_flags = SDF_WRITEABLE; + s->n_chan = 16; + s->maxdata = 1; + s->range_table = &range_digital; + s->insn_bits = apci2200_do_insn_bits; + + /* Initialize the watchdog subdevice */ + s = &dev->subdevices[2]; + ret = addi_watchdog_init(s, dev->iobase + APCI2200_WDOG_REG); + if (ret) + return ret; + + apci2200_reset(dev); + return 0; +} + +static void apci2200_detach(struct comedi_device *dev) +{ + struct pci_dev *pcidev = comedi_to_pci_dev(dev); + + if (dev->iobase) + apci2200_reset(dev); + if (dev->subdevices) + addi_watchdog_cleanup(&dev->subdevices[2]); + if (pcidev) { + if (dev->iobase) + comedi_pci_disable(pcidev); + } +} static struct comedi_driver apci2200_driver = { .driver_name = "addi_apci_2200", .module = THIS_MODULE, - .auto_attach = addi_auto_attach, - .detach = i_ADDI_Detach, - .num_names = ARRAY_SIZE(apci2200_boardtypes), - .board_name = &apci2200_boardtypes[0].pc_DriverName, - .offset = sizeof(struct addi_board), + .auto_attach = apci2200_auto_attach, + .detach = apci2200_detach, }; static int apci2200_pci_probe(struct pci_dev *dev, @@ -45,11 +155,6 @@ static int apci2200_pci_probe(struct pci_dev *dev, return comedi_pci_auto_config(dev, &apci2200_driver); } -static void apci2200_pci_remove(struct pci_dev *dev) -{ - comedi_pci_auto_unconfig(dev); -} - static DEFINE_PCI_DEVICE_TABLE(apci2200_pci_table) = { { PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA, 0x1005) }, { 0 } @@ -60,10 +165,10 @@ static struct pci_driver apci2200_pci_driver = { .name = "addi_apci_2200", .id_table = apci2200_pci_table, .probe = apci2200_pci_probe, - .remove = apci2200_pci_remove, + .remove = comedi_pci_auto_unconfig, }; module_comedi_pci_driver(apci2200_driver, apci2200_pci_driver); +MODULE_DESCRIPTION("ADDI-DATA APCI-2200 Relay board, optically isolated"); MODULE_AUTHOR("Comedi http://www.comedi.org"); -MODULE_DESCRIPTION("Comedi low-level driver"); MODULE_LICENSE("GPL"); |