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Diffstat (limited to 'drivers/staging/comedi/drivers/ni_at_ao.c')
-rw-r--r--drivers/staging/comedi/drivers/ni_at_ao.c374
1 files changed, 0 insertions, 374 deletions
diff --git a/drivers/staging/comedi/drivers/ni_at_ao.c b/drivers/staging/comedi/drivers/ni_at_ao.c
deleted file mode 100644
index 2a0fb4d460db..000000000000
--- a/drivers/staging/comedi/drivers/ni_at_ao.c
+++ /dev/null
@@ -1,374 +0,0 @@
-// 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 <ds@schleef.org>
- */
-
-/*
- * 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 <ds@schleef.org>
- * 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 "../comedidev.h"
-
-#include "comedi_8254.h"
-
-/*
- * Register map
- *
- * Register-level programming information can be found in NI
- * document 320379.pdf.
- */
-#define ATAO_DIO_REG 0x00
-#define ATAO_CFG2_REG 0x02
-#define ATAO_CFG2_CALLD_NOP (0 << 14)
-#define ATAO_CFG2_CALLD(x) ((((x) >> 3) + 1) << 14)
-#define ATAO_CFG2_FFRTEN BIT(13)
-#define ATAO_CFG2_DACS(x) (1 << (((x) / 2) + 8))
-#define ATAO_CFG2_LDAC(x) (1 << (((x) / 2) + 3))
-#define ATAO_CFG2_PROMEN BIT(2)
-#define ATAO_CFG2_SCLK BIT(1)
-#define ATAO_CFG2_SDATA BIT(0)
-#define ATAO_CFG3_REG 0x04
-#define ATAO_CFG3_DMAMODE BIT(6)
-#define ATAO_CFG3_CLKOUT BIT(5)
-#define ATAO_CFG3_RCLKEN BIT(4)
-#define ATAO_CFG3_DOUTEN2 BIT(3)
-#define ATAO_CFG3_DOUTEN1 BIT(2)
-#define ATAO_CFG3_EN2_5V BIT(1)
-#define ATAO_CFG3_SCANEN BIT(0)
-#define ATAO_82C53_BASE 0x06
-#define ATAO_CFG1_REG 0x0a
-#define ATAO_CFG1_EXTINT2EN BIT(15)
-#define ATAO_CFG1_EXTINT1EN BIT(14)
-#define ATAO_CFG1_CNTINT2EN BIT(13)
-#define ATAO_CFG1_CNTINT1EN BIT(12)
-#define ATAO_CFG1_TCINTEN BIT(11)
-#define ATAO_CFG1_CNT1SRC BIT(10)
-#define ATAO_CFG1_CNT2SRC BIT(9)
-#define ATAO_CFG1_FIFOEN BIT(8)
-#define ATAO_CFG1_GRP2WR BIT(7)
-#define ATAO_CFG1_EXTUPDEN BIT(6)
-#define ATAO_CFG1_DMARQ BIT(5)
-#define ATAO_CFG1_DMAEN BIT(4)
-#define ATAO_CFG1_CH(x) (((x) & 0xf) << 0)
-#define ATAO_STATUS_REG 0x0a
-#define ATAO_STATUS_FH BIT(6)
-#define ATAO_STATUS_FE BIT(5)
-#define ATAO_STATUS_FF BIT(4)
-#define ATAO_STATUS_INT2 BIT(3)
-#define ATAO_STATUS_INT1 BIT(2)
-#define ATAO_STATUS_TCINT BIT(1)
-#define ATAO_STATUS_PROMOUT BIT(0)
-#define ATAO_FIFO_WRITE_REG 0x0c
-#define ATAO_FIFO_CLEAR_REG 0x0c
-#define ATAO_AO_REG(x) (0x0c + ((x) * 2))
-
-/* registers with _2_ are accessed when GRP2WR is set in CFG1 */
-#define ATAO_2_DMATCCLR_REG 0x00
-#define ATAO_2_INT1CLR_REG 0x02
-#define ATAO_2_INT2CLR_REG 0x04
-#define ATAO_2_RTSISHFT_REG 0x06
-#define ATAO_2_RTSISHFT_RSI BIT(0)
-#define ATAO_2_RTSISTRB_REG 0x07
-
-struct atao_board {
- const char *name;
- int n_ao_chans;
-};
-
-static const struct atao_board atao_boards[] = {
- {
- .name = "at-ao-6",
- .n_ao_chans = 6,
- }, {
- .name = "at-ao-10",
- .n_ao_chans = 10,
- },
-};
-
-struct atao_private {
- unsigned short cfg1;
- unsigned short cfg3;
-
- /* Used for caldac readback */
- unsigned char caldac[21];
-};
-
-static void atao_select_reg_group(struct comedi_device *dev, int group)
-{
- struct atao_private *devpriv = dev->private;
-
- if (group)
- devpriv->cfg1 |= ATAO_CFG1_GRP2WR;
- else
- devpriv->cfg1 &= ~ATAO_CFG1_GRP2WR;
- outw(devpriv->cfg1, dev->iobase + ATAO_CFG1_REG);
-}
-
-static int atao_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 val = s->readback[chan];
- int i;
-
- if (chan == 0)
- atao_select_reg_group(dev, 1);
-
- for (i = 0; i < insn->n; i++) {
- val = data[i];
-
- /* the hardware expects two's complement values */
- outw(comedi_offset_munge(s, val),
- dev->iobase + ATAO_AO_REG(chan));
- }
- s->readback[chan] = val;
-
- if (chan == 0)
- atao_select_reg_group(dev, 0);
-
- return insn->n;
-}
-
-static int atao_dio_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 + ATAO_DIO_REG);
-
- data[1] = inw(dev->iobase + ATAO_DIO_REG);
-
- return insn->n;
-}
-
-static int atao_dio_insn_config(struct comedi_device *dev,
- struct comedi_subdevice *s,
- struct comedi_insn *insn,
- unsigned int *data)
-{
- struct atao_private *devpriv = dev->private;
- unsigned int chan = CR_CHAN(insn->chanspec);
- unsigned int mask;
- int ret;
-
- if (chan < 4)
- mask = 0x0f;
- else
- mask = 0xf0;
-
- ret = comedi_dio_insn_config(dev, s, insn, data, mask);
- if (ret)
- return ret;
-
- if (s->io_bits & 0x0f)
- devpriv->cfg3 |= ATAO_CFG3_DOUTEN1;
- else
- devpriv->cfg3 &= ~ATAO_CFG3_DOUTEN1;
- if (s->io_bits & 0xf0)
- devpriv->cfg3 |= ATAO_CFG3_DOUTEN2;
- else
- devpriv->cfg3 &= ~ATAO_CFG3_DOUTEN2;
-
- outw(devpriv->cfg3, dev->iobase + ATAO_CFG3_REG);
-
- return insn->n;
-}
-
-/*
- * 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)
-{
- unsigned int chan = CR_CHAN(insn->chanspec);
-
- if (insn->n) {
- unsigned int val = data[insn->n - 1];
- unsigned int bitstring = ((chan & 0x7) << 8) | val;
- unsigned int bits;
- int bit;
-
- /* write the channel and last data value to the caldac */
- /* clock the bitstring to the caldac; MSB -> LSB */
- for (bit = BIT(10); bit; bit >>= 1) {
- bits = (bit & bitstring) ? ATAO_CFG2_SDATA : 0;
-
- outw(bits, dev->iobase + ATAO_CFG2_REG);
- outw(bits | ATAO_CFG2_SCLK,
- dev->iobase + ATAO_CFG2_REG);
- }
-
- /* strobe the caldac to load the value */
- outw(ATAO_CFG2_CALLD(chan), dev->iobase + ATAO_CFG2_REG);
- outw(ATAO_CFG2_CALLD_NOP, dev->iobase + ATAO_CFG2_REG);
-
- s->readback[chan] = val;
- }
-
- return insn->n;
-}
-
-static void atao_reset(struct comedi_device *dev)
-{
- struct atao_private *devpriv = dev->private;
-
- /* This is the reset sequence described in the manual */
-
- devpriv->cfg1 = 0;
- outw(devpriv->cfg1, dev->iobase + ATAO_CFG1_REG);
-
- /* Put outputs of counter 1 and counter 2 in a high state */
- comedi_8254_set_mode(dev->pacer, 0, I8254_MODE4 | I8254_BINARY);
- comedi_8254_set_mode(dev->pacer, 1, I8254_MODE4 | I8254_BINARY);
- comedi_8254_write(dev->pacer, 0, 0x0003);
-
- outw(ATAO_CFG2_CALLD_NOP, dev->iobase + ATAO_CFG2_REG);
-
- devpriv->cfg3 = 0;
- outw(devpriv->cfg3, dev->iobase + ATAO_CFG3_REG);
-
- inw(dev->iobase + ATAO_FIFO_CLEAR_REG);
-
- atao_select_reg_group(dev, 1);
- outw(0, dev->iobase + ATAO_2_INT1CLR_REG);
- outw(0, dev->iobase + ATAO_2_INT2CLR_REG);
- outw(0, dev->iobase + ATAO_2_DMATCCLR_REG);
- atao_select_reg_group(dev, 0);
-}
-
-static int atao_attach(struct comedi_device *dev, struct comedi_devconfig *it)
-{
- const struct atao_board *board = dev->board_ptr;
- struct atao_private *devpriv;
- struct comedi_subdevice *s;
- int ret;
-
- ret = comedi_request_region(dev, it->options[0], 0x20);
- if (ret)
- return ret;
-
- devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
- if (!devpriv)
- return -ENOMEM;
-
- dev->pacer = comedi_8254_init(dev->iobase + ATAO_82C53_BASE,
- 0, I8254_IO8, 0);
- if (!dev->pacer)
- return -ENOMEM;
-
- ret = comedi_alloc_subdevices(dev, 4);
- if (ret)
- return ret;
-
- /* Analog Output subdevice */
- s = &dev->subdevices[0];
- s->type = COMEDI_SUBD_AO;
- s->subdev_flags = SDF_WRITABLE;
- s->n_chan = board->n_ao_chans;
- s->maxdata = 0x0fff;
- s->range_table = it->options[3] ? &range_unipolar10 : &range_bipolar10;
- s->insn_write = atao_ao_insn_write;
-
- ret = comedi_alloc_subdev_readback(s);
- if (ret)
- return ret;
-
- /* Digital I/O subdevice */
- s = &dev->subdevices[1];
- s->type = COMEDI_SUBD_DIO;
- s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
- s->n_chan = 8;
- s->maxdata = 1;
- s->range_table = &range_digital;
- s->insn_bits = atao_dio_insn_bits;
- s->insn_config = atao_dio_insn_config;
-
- /* caldac subdevice */
- s = &dev->subdevices[2];
- s->type = COMEDI_SUBD_CALIB;
- s->subdev_flags = SDF_WRITABLE | SDF_INTERNAL;
- s->n_chan = (board->n_ao_chans * 2) + 1;
- s->maxdata = 0xff;
- s->insn_write = atao_calib_insn_write;
-
- ret = comedi_alloc_subdev_readback(s);
- if (ret)
- return ret;
-
- /* EEPROM subdevice */
- s = &dev->subdevices[3];
- s->type = COMEDI_SUBD_UNUSED;
-
- atao_reset(dev);
-
- return 0;
-}
-
-static struct comedi_driver ni_at_ao_driver = {
- .driver_name = "ni_at_ao",
- .module = THIS_MODULE,
- .attach = atao_attach,
- .detach = comedi_legacy_detach,
- .board_name = &atao_boards[0].name,
- .offset = sizeof(struct atao_board),
- .num_names = ARRAY_SIZE(atao_boards),
-};
-module_comedi_driver(ni_at_ao_driver);
-
-MODULE_AUTHOR("Comedi https://www.comedi.org");
-MODULE_DESCRIPTION("Comedi driver for NI AT-AO-6/10 boards");
-MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2024-06-13 07:49:04 +0000