// SPDX-License-Identifier: GPL-2.0+ /* * ni_at_ao.c * Driver for NI AT-AO-6/10 boards * * COMEDI - Linux Control and Measurement Device Interface * Copyright (C) 2000,2002 David A. Schleef <[email protected]> */ /* * Driver: ni_at_ao * Description: National Instruments AT-AO-6/10 * Devices: [National Instruments] AT-AO-6 (at-ao-6), AT-AO-10 (at-ao-10) * Status: should work * Author: David A. Schleef <[email protected]> * Updated: Sun Dec 26 12:26:28 EST 2004 * * Configuration options: * [0] - I/O port base address * [1] - IRQ (unused) * [2] - DMA (unused) * [3] - analog output range, set by jumpers on hardware * 0 for -10 to 10V bipolar * 1 for 0V to 10V unipolar */ #include <linux/module.h> #include <linux/comedi/comedidev.h> #include <linux/comedi/comedi_8254.h> /* * Register map * * Register-level programming information can be found in NI * document 320379.pdf. */ #define ATAO_DIO_REG … #define ATAO_CFG2_REG … #define ATAO_CFG2_CALLD_NOP … #define ATAO_CFG2_CALLD(x) … #define ATAO_CFG2_FFRTEN … #define ATAO_CFG2_DACS(x) … #define ATAO_CFG2_LDAC(x) … #define ATAO_CFG2_PROMEN … #define ATAO_CFG2_SCLK … #define ATAO_CFG2_SDATA … #define ATAO_CFG3_REG … #define ATAO_CFG3_DMAMODE … #define ATAO_CFG3_CLKOUT … #define ATAO_CFG3_RCLKEN … #define ATAO_CFG3_DOUTEN2 … #define ATAO_CFG3_DOUTEN1 … #define ATAO_CFG3_EN2_5V … #define ATAO_CFG3_SCANEN … #define ATAO_82C53_BASE … #define ATAO_CFG1_REG … #define ATAO_CFG1_EXTINT2EN … #define ATAO_CFG1_EXTINT1EN … #define ATAO_CFG1_CNTINT2EN … #define ATAO_CFG1_CNTINT1EN … #define ATAO_CFG1_TCINTEN … #define ATAO_CFG1_CNT1SRC … #define ATAO_CFG1_CNT2SRC … #define ATAO_CFG1_FIFOEN … #define ATAO_CFG1_GRP2WR … #define ATAO_CFG1_EXTUPDEN … #define ATAO_CFG1_DMARQ … #define ATAO_CFG1_DMAEN … #define ATAO_CFG1_CH(x) … #define ATAO_STATUS_REG … #define ATAO_STATUS_FH … #define ATAO_STATUS_FE … #define ATAO_STATUS_FF … #define ATAO_STATUS_INT2 … #define ATAO_STATUS_INT1 … #define ATAO_STATUS_TCINT … #define ATAO_STATUS_PROMOUT … #define ATAO_FIFO_WRITE_REG … #define ATAO_FIFO_CLEAR_REG … #define ATAO_AO_REG(x) … /* registers with _2_ are accessed when GRP2WR is set in CFG1 */ #define ATAO_2_DMATCCLR_REG … #define ATAO_2_INT1CLR_REG … #define ATAO_2_INT2CLR_REG … #define ATAO_2_RTSISHFT_REG … #define ATAO_2_RTSISHFT_RSI … #define ATAO_2_RTSISTRB_REG … struct atao_board { … }; static const struct atao_board atao_boards[] = …; struct atao_private { … }; static void atao_select_reg_group(struct comedi_device *dev, int group) { … } static int atao_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int atao_dio_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static int atao_dio_insn_config(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } /* * There are three DAC8800 TrimDACs on the board. These are 8-channel, * 8-bit DACs that are used to calibrate the Analog Output channels. * The factory default calibration values are stored in the EEPROM. * The TrimDACs, and EEPROM addresses, are mapped as: * * Channel EEPROM Description * ----------------- ------ ----------------------------------- * 0 - DAC0 Chan 0 0x30 AO Channel 0 Offset * 1 - DAC0 Chan 1 0x31 AO Channel 0 Gain * 2 - DAC0 Chan 2 0x32 AO Channel 1 Offset * 3 - DAC0 Chan 3 0x33 AO Channel 1 Gain * 4 - DAC0 Chan 4 0x34 AO Channel 2 Offset * 5 - DAC0 Chan 5 0x35 AO Channel 2 Gain * 6 - DAC0 Chan 6 0x36 AO Channel 3 Offset * 7 - DAC0 Chan 7 0x37 AO Channel 3 Gain * 8 - DAC1 Chan 0 0x38 AO Channel 4 Offset * 9 - DAC1 Chan 1 0x39 AO Channel 4 Gain * 10 - DAC1 Chan 2 0x3a AO Channel 5 Offset * 11 - DAC1 Chan 3 0x3b AO Channel 5 Gain * 12 - DAC1 Chan 4 0x3c 2.5V Offset * 13 - DAC1 Chan 5 0x3d AO Channel 6 Offset (at-ao-10 only) * 14 - DAC1 Chan 6 0x3e AO Channel 6 Gain (at-ao-10 only) * 15 - DAC1 Chan 7 0x3f AO Channel 7 Offset (at-ao-10 only) * 16 - DAC2 Chan 0 0x40 AO Channel 7 Gain (at-ao-10 only) * 17 - DAC2 Chan 1 0x41 AO Channel 8 Offset (at-ao-10 only) * 18 - DAC2 Chan 2 0x42 AO Channel 8 Gain (at-ao-10 only) * 19 - DAC2 Chan 3 0x43 AO Channel 9 Offset (at-ao-10 only) * 20 - DAC2 Chan 4 0x44 AO Channel 9 Gain (at-ao-10 only) * DAC2 Chan 5 0x45 Reserved * DAC2 Chan 6 0x46 Reserved * DAC2 Chan 7 0x47 Reserved */ static int atao_calib_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { … } static void atao_reset(struct comedi_device *dev) { … } static int atao_attach(struct comedi_device *dev, struct comedi_devconfig *it) { … } static struct comedi_driver ni_at_ao_driver = …; module_comedi_driver(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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