// SPDX-License-Identifier: GPL-2.0+ /* * comedi/drivers/cb_pcidda.c * Driver for the ComputerBoards / MeasurementComputing PCI-DDA series. * * Copyright (C) 2001 Ivan Martinez <[email protected]> * Copyright (C) 2001 Frank Mori Hess <[email protected]> * * COMEDI - Linux Control and Measurement Device Interface * Copyright (C) 1997-8 David A. Schleef <[email protected]> */ /* * Driver: cb_pcidda * Description: MeasurementComputing PCI-DDA series * Devices: [Measurement Computing] PCI-DDA08/12 (pci-dda08/12), * PCI-DDA04/12 (pci-dda04/12), PCI-DDA02/12 (pci-dda02/12), * PCI-DDA08/16 (pci-dda08/16), PCI-DDA04/16 (pci-dda04/16), * PCI-DDA02/16 (pci-dda02/16) * Author: Ivan Martinez <[email protected]> * Frank Mori Hess <[email protected]> * Status: works * * Configuration options: not applicable, uses PCI auto config * * Only simple analog output writing is supported. */ #include <linux/module.h> #include <linux/comedi/comedi_pci.h> #include <linux/comedi/comedi_8255.h> #define EEPROM_SIZE … /* maximum number of ao channels for supported boards */ #define MAX_AO_CHANNELS … /* Digital I/O registers */ #define CB_DDA_DIO0_8255_BASE … #define CB_DDA_DIO1_8255_BASE … /* DAC registers */ #define CB_DDA_DA_CTRL_REG … #define CB_DDA_DA_CTRL_SU … #define CB_DDA_DA_CTRL_EN … #define CB_DDA_DA_CTRL_DAC(x) … #define CB_DDA_DA_CTRL_RANGE2V5 … #define CB_DDA_DA_CTRL_RANGE5V … #define CB_DDA_DA_CTRL_RANGE10V … #define CB_DDA_DA_CTRL_UNIP … #define DACALIBRATION1 … /* write bits */ /* serial data input for eeprom, caldacs, reference dac */ #define SERIAL_IN_BIT … #define CAL_CHANNEL_MASK … #define CAL_CHANNEL_BITS(channel) … /* read bits */ #define CAL_COUNTER_MASK … /* calibration counter overflow status bit */ #define CAL_COUNTER_OVERFLOW_BIT … /* analog output is less than reference dac voltage */ #define AO_BELOW_REF_BIT … #define SERIAL_OUT_BIT … #define DACALIBRATION2 … #define SELECT_EEPROM_BIT … /* don't send serial data to MAX542 reference dac */ #define DESELECT_REF_DAC_BIT … /* don't send serial data to caldac n */ #define DESELECT_CALDAC_BIT(n) … /* manual says to set this bit with no explanation */ #define DUMMY_BIT … #define CB_DDA_DA_DATA_REG(x) … /* Offsets for the caldac channels */ #define CB_DDA_CALDAC_FINE_GAIN … #define CB_DDA_CALDAC_COURSE_GAIN … #define CB_DDA_CALDAC_COURSE_OFFSET … #define CB_DDA_CALDAC_FINE_OFFSET … static const struct comedi_lrange cb_pcidda_ranges = …; enum cb_pcidda_boardid { … }; struct cb_pcidda_board { … }; static const struct cb_pcidda_board cb_pcidda_boards[] = …; struct cb_pcidda_private { … }; /* lowlevel read from eeprom */ static unsigned int cb_pcidda_serial_in(struct comedi_device *dev) { … } /* lowlevel write to eeprom/dac */ static void cb_pcidda_serial_out(struct comedi_device *dev, unsigned int value, unsigned int num_bits) { … } /* reads a 16 bit value from board's eeprom */ static unsigned int cb_pcidda_read_eeprom(struct comedi_device *dev, unsigned int address) { … } /* writes to 8 bit calibration dacs */ static void cb_pcidda_write_caldac(struct comedi_device *dev, unsigned int caldac, unsigned int channel, unsigned int value) { … } /* set caldacs to eeprom values for given channel and range */ static void cb_pcidda_calibrate(struct comedi_device *dev, unsigned int channel, unsigned int range) { … } static int cb_pcidda_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int cb_pcidda_auto_attach(struct comedi_device *dev, unsigned long context) { … } static struct comedi_driver cb_pcidda_driver = …; static int cb_pcidda_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { … } static const struct pci_device_id cb_pcidda_pci_table[] = …; MODULE_DEVICE_TABLE(pci, cb_pcidda_pci_table); static struct pci_driver cb_pcidda_pci_driver = …; module_comedi_pci_driver(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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