diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/adl_pci6208.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/adl_pci6208.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/drivers/staging/comedi/drivers/adl_pci6208.c b/drivers/staging/comedi/drivers/adl_pci6208.c deleted file mode 100644 index 9ae4cc523dd4..000000000000 --- a/drivers/staging/comedi/drivers/adl_pci6208.c +++ /dev/null @@ -1,201 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * adl_pci6208.c - * Comedi driver for ADLink 6208 series cards - * - * COMEDI - Linux Control and Measurement Device Interface - * Copyright (C) 2000 David A. Schleef <ds@schleef.org> - */ - -/* - * Driver: adl_pci6208 - * Description: ADLink PCI-6208/6216 Series Multi-channel Analog Output Cards - * Devices: [ADLink] PCI-6208 (adl_pci6208), PCI-6216 - * Author: nsyeow <nsyeow@pd.jaring.my> - * Updated: Wed, 11 Feb 2015 11:37:18 +0000 - * Status: untested - * - * Configuration Options: not applicable, uses PCI auto config - * - * All supported devices share the same PCI device ID and are treated as a - * PCI-6216 with 16 analog output channels. On a PCI-6208, the upper 8 - * channels exist in registers, but don't go to DAC chips. - */ - -#include <linux/module.h> -#include <linux/delay.h> - -#include "../comedi_pci.h" - -/* - * PCI-6208/6216-GL register map - */ -#define PCI6208_AO_CONTROL(x) (0x00 + (2 * (x))) -#define PCI6208_AO_STATUS 0x00 -#define PCI6208_AO_STATUS_DATA_SEND BIT(0) -#define PCI6208_DIO 0x40 -#define PCI6208_DIO_DO_MASK (0x0f) -#define PCI6208_DIO_DO_SHIFT (0) -#define PCI6208_DIO_DI_MASK (0xf0) -#define PCI6208_DIO_DI_SHIFT (4) - -static int pci6208_ao_eoc(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned long context) -{ - unsigned int status; - - status = inw(dev->iobase + PCI6208_AO_STATUS); - if ((status & PCI6208_AO_STATUS_DATA_SEND) == 0) - return 0; - return -EBUSY; -} - -static int pci6208_ao_insn_write(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - unsigned int chan = CR_CHAN(insn->chanspec); - int ret; - int i; - - for (i = 0; i < insn->n; i++) { - unsigned int val = data[i]; - - /* D/A transfer rate is 2.2us */ - ret = comedi_timeout(dev, s, insn, pci6208_ao_eoc, 0); - if (ret) - return ret; - - /* the hardware expects two's complement values */ - outw(comedi_offset_munge(s, val), - dev->iobase + PCI6208_AO_CONTROL(chan)); - - s->readback[chan] = val; - } - - return insn->n; -} - -static int pci6208_di_insn_bits(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - unsigned int val; - - val = inw(dev->iobase + PCI6208_DIO); - val = (val & PCI6208_DIO_DI_MASK) >> PCI6208_DIO_DI_SHIFT; - - data[1] = val; - - return insn->n; -} - -static int pci6208_do_insn_bits(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - if (comedi_dio_update_state(s, data)) - outw(s->state, dev->iobase + PCI6208_DIO); - - data[1] = s->state; - - return insn->n; -} - -static int pci6208_auto_attach(struct comedi_device *dev, - unsigned long context_unused) -{ - struct pci_dev *pcidev = comedi_to_pci_dev(dev); - struct comedi_subdevice *s; - unsigned int val; - int ret; - - ret = comedi_pci_enable(dev); - if (ret) - return ret; - dev->iobase = pci_resource_start(pcidev, 2); - - ret = comedi_alloc_subdevices(dev, 3); - if (ret) - return ret; - - s = &dev->subdevices[0]; - /* analog output subdevice */ - s->type = COMEDI_SUBD_AO; - s->subdev_flags = SDF_WRITABLE; - s->n_chan = 16; /* Only 8 usable on PCI-6208 */ - s->maxdata = 0xffff; - s->range_table = &range_bipolar10; - s->insn_write = pci6208_ao_insn_write; - - ret = comedi_alloc_subdev_readback(s); - if (ret) - return ret; - - s = &dev->subdevices[1]; - /* digital input subdevice */ - s->type = COMEDI_SUBD_DI; - s->subdev_flags = SDF_READABLE; - s->n_chan = 4; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = pci6208_di_insn_bits; - - s = &dev->subdevices[2]; - /* digital output subdevice */ - s->type = COMEDI_SUBD_DO; - s->subdev_flags = SDF_WRITABLE; - s->n_chan = 4; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = pci6208_do_insn_bits; - - /* - * Get the read back signals from the digital outputs - * and save it as the initial state for the subdevice. - */ - val = inw(dev->iobase + PCI6208_DIO); - val = (val & PCI6208_DIO_DO_MASK) >> PCI6208_DIO_DO_SHIFT; - s->state = val; - - return 0; -} - -static struct comedi_driver adl_pci6208_driver = { - .driver_name = "adl_pci6208", - .module = THIS_MODULE, - .auto_attach = pci6208_auto_attach, - .detach = comedi_pci_detach, -}; - -static int adl_pci6208_pci_probe(struct pci_dev *dev, - const struct pci_device_id *id) -{ - return comedi_pci_auto_config(dev, &adl_pci6208_driver, - id->driver_data); -} - -static const struct pci_device_id adl_pci6208_pci_table[] = { - { PCI_DEVICE(PCI_VENDOR_ID_ADLINK, 0x6208) }, - { PCI_DEVICE_SUB(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050, - 0x9999, 0x6208) }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, adl_pci6208_pci_table); - -static struct pci_driver adl_pci6208_pci_driver = { - .name = "adl_pci6208", - .id_table = adl_pci6208_pci_table, - .probe = adl_pci6208_pci_probe, - .remove = comedi_pci_auto_unconfig, -}; -module_comedi_pci_driver(adl_pci6208_driver, adl_pci6208_pci_driver); - -MODULE_AUTHOR("Comedi https://www.comedi.org"); -MODULE_DESCRIPTION("Comedi driver for ADLink 6208 series cards"); -MODULE_LICENSE("GPL"); |