diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/ke_counter.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/ke_counter.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/drivers/staging/comedi/drivers/ke_counter.c b/drivers/staging/comedi/drivers/ke_counter.c deleted file mode 100644 index bef1b20c1c8d..000000000000 --- a/drivers/staging/comedi/drivers/ke_counter.c +++ /dev/null @@ -1,232 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * ke_counter.c - * Comedi driver for Kolter-Electronic PCI Counter 1 Card - * - * COMEDI - Linux Control and Measurement Device Interface - * Copyright (C) 2000 David A. Schleef <ds@schleef.org> - */ - -/* - * Driver: ke_counter - * Description: Driver for Kolter Electronic Counter Card - * Devices: [Kolter Electronic] PCI Counter Card (ke_counter) - * Author: Michael Hillmann - * Updated: Mon, 14 Apr 2008 15:42:42 +0100 - * Status: tested - * - * Configuration Options: not applicable, uses PCI auto config - */ - -#include <linux/module.h> - -#include "../comedi_pci.h" - -/* - * PCI BAR 0 Register I/O map - */ -#define KE_RESET_REG(x) (0x00 + ((x) * 0x20)) -#define KE_LATCH_REG(x) (0x00 + ((x) * 0x20)) -#define KE_LSB_REG(x) (0x04 + ((x) * 0x20)) -#define KE_MID_REG(x) (0x08 + ((x) * 0x20)) -#define KE_MSB_REG(x) (0x0c + ((x) * 0x20)) -#define KE_SIGN_REG(x) (0x10 + ((x) * 0x20)) -#define KE_OSC_SEL_REG 0xf8 -#define KE_OSC_SEL_CLK(x) (((x) & 0x3) << 0) -#define KE_OSC_SEL_EXT KE_OSC_SEL_CLK(1) -#define KE_OSC_SEL_4MHZ KE_OSC_SEL_CLK(2) -#define KE_OSC_SEL_20MHZ KE_OSC_SEL_CLK(3) -#define KE_DO_REG 0xfc - -static int ke_counter_insn_write(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - unsigned int chan = CR_CHAN(insn->chanspec); - unsigned int val; - int i; - - for (i = 0; i < insn->n; i++) { - val = data[0]; - - /* Order matters */ - outb((val >> 24) & 0xff, dev->iobase + KE_SIGN_REG(chan)); - outb((val >> 16) & 0xff, dev->iobase + KE_MSB_REG(chan)); - outb((val >> 8) & 0xff, dev->iobase + KE_MID_REG(chan)); - outb((val >> 0) & 0xff, dev->iobase + KE_LSB_REG(chan)); - } - - return insn->n; -} - -static int ke_counter_insn_read(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - unsigned int chan = CR_CHAN(insn->chanspec); - unsigned int val; - int i; - - for (i = 0; i < insn->n; i++) { - /* Order matters */ - inb(dev->iobase + KE_LATCH_REG(chan)); - - val = inb(dev->iobase + KE_LSB_REG(chan)); - val |= (inb(dev->iobase + KE_MID_REG(chan)) << 8); - val |= (inb(dev->iobase + KE_MSB_REG(chan)) << 16); - val |= (inb(dev->iobase + KE_SIGN_REG(chan)) << 24); - - data[i] = val; - } - - return insn->n; -} - -static void ke_counter_reset(struct comedi_device *dev) -{ - unsigned int chan; - - for (chan = 0; chan < 3; chan++) - outb(0, dev->iobase + KE_RESET_REG(chan)); -} - -static int ke_counter_insn_config(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - unsigned char src; - - switch (data[0]) { - case INSN_CONFIG_SET_CLOCK_SRC: - switch (data[1]) { - case KE_CLK_20MHZ: /* default */ - src = KE_OSC_SEL_20MHZ; - break; - case KE_CLK_4MHZ: /* option */ - src = KE_OSC_SEL_4MHZ; - break; - case KE_CLK_EXT: /* Pin 21 on D-sub */ - src = KE_OSC_SEL_EXT; - break; - default: - return -EINVAL; - } - outb(src, dev->iobase + KE_OSC_SEL_REG); - break; - case INSN_CONFIG_GET_CLOCK_SRC: - src = inb(dev->iobase + KE_OSC_SEL_REG); - switch (src) { - case KE_OSC_SEL_20MHZ: - data[1] = KE_CLK_20MHZ; - data[2] = 50; /* 50ns */ - break; - case KE_OSC_SEL_4MHZ: - data[1] = KE_CLK_4MHZ; - data[2] = 250; /* 250ns */ - break; - case KE_OSC_SEL_EXT: - data[1] = KE_CLK_EXT; - data[2] = 0; /* Unknown */ - break; - default: - return -EINVAL; - } - break; - case INSN_CONFIG_RESET: - ke_counter_reset(dev); - break; - default: - return -EINVAL; - } - - return insn->n; -} - -static int ke_counter_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)) - outb(s->state, dev->iobase + KE_DO_REG); - - data[1] = s->state; - - return insn->n; -} - -static int ke_counter_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; - - ret = comedi_pci_enable(dev); - if (ret) - return ret; - dev->iobase = pci_resource_start(pcidev, 0); - - ret = comedi_alloc_subdevices(dev, 2); - if (ret) - return ret; - - s = &dev->subdevices[0]; - s->type = COMEDI_SUBD_COUNTER; - s->subdev_flags = SDF_READABLE; - s->n_chan = 3; - s->maxdata = 0x01ffffff; - s->range_table = &range_unknown; - s->insn_read = ke_counter_insn_read; - s->insn_write = ke_counter_insn_write; - s->insn_config = ke_counter_insn_config; - - s = &dev->subdevices[1]; - s->type = COMEDI_SUBD_DO; - s->subdev_flags = SDF_WRITABLE; - s->n_chan = 3; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = ke_counter_do_insn_bits; - - outb(KE_OSC_SEL_20MHZ, dev->iobase + KE_OSC_SEL_REG); - - ke_counter_reset(dev); - - return 0; -} - -static struct comedi_driver ke_counter_driver = { - .driver_name = "ke_counter", - .module = THIS_MODULE, - .auto_attach = ke_counter_auto_attach, - .detach = comedi_pci_detach, -}; - -static int ke_counter_pci_probe(struct pci_dev *dev, - const struct pci_device_id *id) -{ - return comedi_pci_auto_config(dev, &ke_counter_driver, - id->driver_data); -} - -static const struct pci_device_id ke_counter_pci_table[] = { - { PCI_DEVICE(PCI_VENDOR_ID_KOLTER, 0x0014) }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, ke_counter_pci_table); - -static struct pci_driver ke_counter_pci_driver = { - .name = "ke_counter", - .id_table = ke_counter_pci_table, - .probe = ke_counter_pci_probe, - .remove = comedi_pci_auto_unconfig, -}; -module_comedi_pci_driver(ke_counter_driver, ke_counter_pci_driver); - -MODULE_AUTHOR("Comedi https://www.comedi.org"); -MODULE_DESCRIPTION("Comedi driver for Kolter Electronic Counter Card"); -MODULE_LICENSE("GPL"); |