diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/addi_apci_3501.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi_apci_3501.c | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/drivers/staging/comedi/drivers/addi_apci_3501.c b/drivers/staging/comedi/drivers/addi_apci_3501.c deleted file mode 100644 index f0c9642f3f1a..000000000000 --- a/drivers/staging/comedi/drivers/addi_apci_3501.c +++ /dev/null @@ -1,417 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * addi_apci_3501.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 - */ - -/* - * Driver: addi_apci_3501 - * Description: ADDI-DATA APCI-3501 Analog output board - * Devices: [ADDI-DATA] APCI-3501 (addi_apci_3501) - * Author: H Hartley Sweeten <hsweeten@visionengravers.com> - * Updated: Mon, 20 Jun 2016 10:57:01 -0700 - * Status: untested - * - * Configuration Options: not applicable, uses comedi PCI auto config - * - * This board has the following features: - * - 4 or 8 analog output channels - * - 2 optically isolated digital inputs - * - 2 optically isolated digital outputs - * - 1 12-bit watchdog/timer - * - * There are 2 versions of the APCI-3501: - * - APCI-3501-4 4 analog output channels - * - APCI-3501-8 8 analog output channels - * - * These boards use the same PCI Vendor/Device IDs. The number of output - * channels used by this driver is determined by reading the EEPROM on - * the board. - * - * The watchdog/timer subdevice is not currently supported. - */ - -#include <linux/module.h> - -#include "../comedi_pci.h" -#include "amcc_s5933.h" - -/* - * PCI bar 1 register I/O map - */ -#define APCI3501_AO_CTRL_STATUS_REG 0x00 -#define APCI3501_AO_CTRL_BIPOLAR BIT(0) -#define APCI3501_AO_STATUS_READY BIT(8) -#define APCI3501_AO_DATA_REG 0x04 -#define APCI3501_AO_DATA_CHAN(x) ((x) << 0) -#define APCI3501_AO_DATA_VAL(x) ((x) << 8) -#define APCI3501_AO_DATA_BIPOLAR BIT(31) -#define APCI3501_AO_TRIG_SCS_REG 0x08 -#define APCI3501_TIMER_BASE 0x20 -#define APCI3501_DO_REG 0x40 -#define APCI3501_DI_REG 0x50 - -/* - * AMCC S5933 NVRAM - */ -#define NVRAM_USER_DATA_START 0x100 - -#define NVCMD_BEGIN_READ (0x7 << 5) -#define NVCMD_LOAD_LOW (0x4 << 5) -#define NVCMD_LOAD_HIGH (0x5 << 5) - -/* - * Function types stored in the eeprom - */ -#define EEPROM_DIGITALINPUT 0 -#define EEPROM_DIGITALOUTPUT 1 -#define EEPROM_ANALOGINPUT 2 -#define EEPROM_ANALOGOUTPUT 3 -#define EEPROM_TIMER 4 -#define EEPROM_WATCHDOG 5 -#define EEPROM_TIMER_WATCHDOG_COUNTER 10 - -struct apci3501_private { - unsigned long amcc; - unsigned char timer_mode; -}; - -static const struct comedi_lrange apci3501_ao_range = { - 2, { - BIP_RANGE(10), - UNI_RANGE(10) - } -}; - -static int apci3501_wait_for_dac(struct comedi_device *dev) -{ - unsigned int status; - - do { - status = inl(dev->iobase + APCI3501_AO_CTRL_STATUS_REG); - } while (!(status & APCI3501_AO_STATUS_READY)); - - return 0; -} - -static int apci3501_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); - unsigned int range = CR_RANGE(insn->chanspec); - unsigned int cfg = APCI3501_AO_DATA_CHAN(chan); - int ret; - int i; - - /* - * All analog output channels have the same output range. - * 14-bit bipolar: 0-10V - * 13-bit unipolar: +/-10V - * Changing the range of one channel changes all of them! - */ - if (range) { - outl(0, dev->iobase + APCI3501_AO_CTRL_STATUS_REG); - } else { - cfg |= APCI3501_AO_DATA_BIPOLAR; - outl(APCI3501_AO_CTRL_BIPOLAR, - dev->iobase + APCI3501_AO_CTRL_STATUS_REG); - } - - for (i = 0; i < insn->n; i++) { - unsigned int val = data[i]; - - if (range == 1) { - if (data[i] > 0x1fff) { - dev_err(dev->class_dev, - "Unipolar resolution is only 13-bits\n"); - return -EINVAL; - } - } - - ret = apci3501_wait_for_dac(dev); - if (ret) - return ret; - - outl(cfg | APCI3501_AO_DATA_VAL(val), - dev->iobase + APCI3501_AO_DATA_REG); - - s->readback[chan] = val; - } - - return insn->n; -} - -static int apci3501_di_insn_bits(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - data[1] = inl(dev->iobase + APCI3501_DI_REG) & 0x3; - - return insn->n; -} - -static int apci3501_do_insn_bits(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - s->state = inl(dev->iobase + APCI3501_DO_REG); - - if (comedi_dio_update_state(s, data)) - outl(s->state, dev->iobase + APCI3501_DO_REG); - - data[1] = s->state; - - return insn->n; -} - -static void apci3501_eeprom_wait(unsigned long iobase) -{ - unsigned char val; - - do { - val = inb(iobase + AMCC_OP_REG_MCSR_NVCMD); - } while (val & 0x80); -} - -static unsigned short apci3501_eeprom_readw(unsigned long iobase, - unsigned short addr) -{ - unsigned short val = 0; - unsigned char tmp; - unsigned char i; - - /* Add the offset to the start of the user data */ - addr += NVRAM_USER_DATA_START; - - for (i = 0; i < 2; i++) { - /* Load the low 8 bit address */ - outb(NVCMD_LOAD_LOW, iobase + AMCC_OP_REG_MCSR_NVCMD); - apci3501_eeprom_wait(iobase); - outb((addr + i) & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA); - apci3501_eeprom_wait(iobase); - - /* Load the high 8 bit address */ - outb(NVCMD_LOAD_HIGH, iobase + AMCC_OP_REG_MCSR_NVCMD); - apci3501_eeprom_wait(iobase); - outb(((addr + i) >> 8) & 0xff, - iobase + AMCC_OP_REG_MCSR_NVDATA); - apci3501_eeprom_wait(iobase); - - /* Read the eeprom data byte */ - outb(NVCMD_BEGIN_READ, iobase + AMCC_OP_REG_MCSR_NVCMD); - apci3501_eeprom_wait(iobase); - tmp = inb(iobase + AMCC_OP_REG_MCSR_NVDATA); - apci3501_eeprom_wait(iobase); - - if (i == 0) - val |= tmp; - else - val |= (tmp << 8); - } - - return val; -} - -static int apci3501_eeprom_get_ao_n_chan(struct comedi_device *dev) -{ - struct apci3501_private *devpriv = dev->private; - unsigned char nfuncs; - int i; - - nfuncs = apci3501_eeprom_readw(devpriv->amcc, 10) & 0xff; - - /* Read functionality details */ - for (i = 0; i < nfuncs; i++) { - unsigned short offset = i * 4; - unsigned short addr; - unsigned char func; - unsigned short val; - - func = apci3501_eeprom_readw(devpriv->amcc, 12 + offset) & 0x3f; - addr = apci3501_eeprom_readw(devpriv->amcc, 14 + offset); - - if (func == EEPROM_ANALOGOUTPUT) { - val = apci3501_eeprom_readw(devpriv->amcc, addr + 10); - return (val >> 4) & 0x3ff; - } - } - return 0; -} - -static int apci3501_eeprom_insn_read(struct comedi_device *dev, - struct comedi_subdevice *s, - struct comedi_insn *insn, - unsigned int *data) -{ - struct apci3501_private *devpriv = dev->private; - unsigned short addr = CR_CHAN(insn->chanspec); - unsigned int val; - unsigned int i; - - if (insn->n) { - /* No point reading the same EEPROM location more than once. */ - val = apci3501_eeprom_readw(devpriv->amcc, 2 * addr); - for (i = 0; i < insn->n; i++) - data[i] = val; - } - - return insn->n; -} - -static int apci3501_reset(struct comedi_device *dev) -{ - unsigned int val; - int chan; - int ret; - - /* Reset all digital outputs to "0" */ - outl(0x0, dev->iobase + APCI3501_DO_REG); - - /* Default all analog outputs to 0V (bipolar) */ - outl(APCI3501_AO_CTRL_BIPOLAR, - dev->iobase + APCI3501_AO_CTRL_STATUS_REG); - val = APCI3501_AO_DATA_BIPOLAR | APCI3501_AO_DATA_VAL(0); - - /* Set all analog output channels */ - for (chan = 0; chan < 8; chan++) { - ret = apci3501_wait_for_dac(dev); - if (ret) { - dev_warn(dev->class_dev, - "%s: DAC not-ready for channel %i\n", - __func__, chan); - } else { - outl(val | APCI3501_AO_DATA_CHAN(chan), - dev->iobase + APCI3501_AO_DATA_REG); - } - } - - return 0; -} - -static int apci3501_auto_attach(struct comedi_device *dev, - unsigned long context_unused) -{ - struct pci_dev *pcidev = comedi_to_pci_dev(dev); - struct apci3501_private *devpriv; - struct comedi_subdevice *s; - int ao_n_chan; - int ret; - - devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv)); - if (!devpriv) - return -ENOMEM; - - ret = comedi_pci_enable(dev); - if (ret) - return ret; - - devpriv->amcc = pci_resource_start(pcidev, 0); - dev->iobase = pci_resource_start(pcidev, 1); - - ao_n_chan = apci3501_eeprom_get_ao_n_chan(dev); - - ret = comedi_alloc_subdevices(dev, 5); - if (ret) - return ret; - - /* Initialize the analog output subdevice */ - s = &dev->subdevices[0]; - if (ao_n_chan) { - s->type = COMEDI_SUBD_AO; - s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON; - s->n_chan = ao_n_chan; - s->maxdata = 0x3fff; - s->range_table = &apci3501_ao_range; - s->insn_write = apci3501_ao_insn_write; - - ret = comedi_alloc_subdev_readback(s); - if (ret) - return ret; - } else { - s->type = COMEDI_SUBD_UNUSED; - } - - /* Initialize the digital input subdevice */ - s = &dev->subdevices[1]; - s->type = COMEDI_SUBD_DI; - s->subdev_flags = SDF_READABLE; - s->n_chan = 2; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = apci3501_di_insn_bits; - - /* Initialize the digital output subdevice */ - s = &dev->subdevices[2]; - s->type = COMEDI_SUBD_DO; - s->subdev_flags = SDF_WRITABLE; - s->n_chan = 2; - s->maxdata = 1; - s->range_table = &range_digital; - s->insn_bits = apci3501_do_insn_bits; - - /* Timer/Watchdog subdevice */ - s = &dev->subdevices[3]; - s->type = COMEDI_SUBD_UNUSED; - - /* Initialize the eeprom subdevice */ - s = &dev->subdevices[4]; - s->type = COMEDI_SUBD_MEMORY; - s->subdev_flags = SDF_READABLE | SDF_INTERNAL; - s->n_chan = 256; - s->maxdata = 0xffff; - s->insn_read = apci3501_eeprom_insn_read; - - apci3501_reset(dev); - return 0; -} - -static void apci3501_detach(struct comedi_device *dev) -{ - if (dev->iobase) - apci3501_reset(dev); - comedi_pci_detach(dev); -} - -static struct comedi_driver apci3501_driver = { - .driver_name = "addi_apci_3501", - .module = THIS_MODULE, - .auto_attach = apci3501_auto_attach, - .detach = apci3501_detach, -}; - -static int apci3501_pci_probe(struct pci_dev *dev, - const struct pci_device_id *id) -{ - return comedi_pci_auto_config(dev, &apci3501_driver, id->driver_data); -} - -static const struct pci_device_id apci3501_pci_table[] = { - { PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA, 0x3001) }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, apci3501_pci_table); - -static struct pci_driver apci3501_pci_driver = { - .name = "addi_apci_3501", - .id_table = apci3501_pci_table, - .probe = apci3501_pci_probe, - .remove = comedi_pci_auto_unconfig, -}; -module_comedi_pci_driver(apci3501_driver, apci3501_pci_driver); - -MODULE_DESCRIPTION("ADDI-DATA APCI-3501 Analog output board"); -MODULE_AUTHOR("Comedi https://www.comedi.org"); -MODULE_LICENSE("GPL"); |