// SPDX-License-Identifier: GPL-2.0+
/*
* addi_apci_3xxx.c
* Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
* Project manager: S. Weber
*
* 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
* [email protected]
*/
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/comedi/comedi_pci.h>
#define CONV_UNIT_NS BIT(0)
#define CONV_UNIT_US BIT(1)
#define CONV_UNIT_MS BIT(2)
static const struct comedi_lrange apci3xxx_ai_range = {
8, {
BIP_RANGE(10),
BIP_RANGE(5),
BIP_RANGE(2),
BIP_RANGE(1),
UNI_RANGE(10),
UNI_RANGE(5),
UNI_RANGE(2),
UNI_RANGE(1)
}
};
static const struct comedi_lrange apci3xxx_ao_range = {
2, {
BIP_RANGE(10),
UNI_RANGE(10)
}
};
enum apci3xxx_boardid {
BOARD_APCI3000_16,
BOARD_APCI3000_8,
BOARD_APCI3000_4,
BOARD_APCI3006_16,
BOARD_APCI3006_8,
BOARD_APCI3006_4,
BOARD_APCI3010_16,
BOARD_APCI3010_8,
BOARD_APCI3010_4,
BOARD_APCI3016_16,
BOARD_APCI3016_8,
BOARD_APCI3016_4,
BOARD_APCI3100_16_4,
BOARD_APCI3100_8_4,
BOARD_APCI3106_16_4,
BOARD_APCI3106_8_4,
BOARD_APCI3110_16_4,
BOARD_APCI3110_8_4,
BOARD_APCI3116_16_4,
BOARD_APCI3116_8_4,
BOARD_APCI3003,
BOARD_APCI3002_16,
BOARD_APCI3002_8,
BOARD_APCI3002_4,
BOARD_APCI3500,
};
struct apci3xxx_boardinfo {
const char *name;
int ai_subdev_flags;
int ai_n_chan;
unsigned int ai_maxdata;
unsigned char ai_conv_units;
unsigned int ai_min_acq_ns;
unsigned int has_ao:1;
unsigned int has_dig_in:1;
unsigned int has_dig_out:1;
unsigned int has_ttl_io:1;
};
static const struct apci3xxx_boardinfo apci3xxx_boardtypes[] = {
[BOARD_APCI3000_16] = {
.name = "apci3000-16",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 16,
.ai_maxdata = 0x0fff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 10000,
.has_ttl_io = 1,
},
[BOARD_APCI3000_8] = {
.name = "apci3000-8",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 8,
.ai_maxdata = 0x0fff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 10000,
.has_ttl_io = 1,
},
[BOARD_APCI3000_4] = {
.name = "apci3000-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 4,
.ai_maxdata = 0x0fff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 10000,
.has_ttl_io = 1,
},
[BOARD_APCI3006_16] = {
.name = "apci3006-16",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 16,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 10000,
.has_ttl_io = 1,
},
[BOARD_APCI3006_8] = {
.name = "apci3006-8",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 8,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 10000,
.has_ttl_io = 1,
},
[BOARD_APCI3006_4] = {
.name = "apci3006-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 4,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 10000,
.has_ttl_io = 1,
},
[BOARD_APCI3010_16] = {
.name = "apci3010-16",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 16,
.ai_maxdata = 0x0fff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_dig_in = 1,
.has_dig_out = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3010_8] = {
.name = "apci3010-8",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 8,
.ai_maxdata = 0x0fff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_dig_in = 1,
.has_dig_out = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3010_4] = {
.name = "apci3010-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 4,
.ai_maxdata = 0x0fff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_dig_in = 1,
.has_dig_out = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3016_16] = {
.name = "apci3016-16",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 16,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_dig_in = 1,
.has_dig_out = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3016_8] = {
.name = "apci3016-8",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 8,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_dig_in = 1,
.has_dig_out = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3016_4] = {
.name = "apci3016-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 4,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_dig_in = 1,
.has_dig_out = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3100_16_4] = {
.name = "apci3100-16-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 16,
.ai_maxdata = 0x0fff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 10000,
.has_ao = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3100_8_4] = {
.name = "apci3100-8-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 8,
.ai_maxdata = 0x0fff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 10000,
.has_ao = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3106_16_4] = {
.name = "apci3106-16-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 16,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 10000,
.has_ao = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3106_8_4] = {
.name = "apci3106-8-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 8,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 10000,
.has_ao = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3110_16_4] = {
.name = "apci3110-16-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 16,
.ai_maxdata = 0x0fff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_ao = 1,
.has_dig_in = 1,
.has_dig_out = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3110_8_4] = {
.name = "apci3110-8-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 8,
.ai_maxdata = 0x0fff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_ao = 1,
.has_dig_in = 1,
.has_dig_out = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3116_16_4] = {
.name = "apci3116-16-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 16,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_ao = 1,
.has_dig_in = 1,
.has_dig_out = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3116_8_4] = {
.name = "apci3116-8-4",
.ai_subdev_flags = SDF_COMMON | SDF_GROUND | SDF_DIFF,
.ai_n_chan = 8,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_ao = 1,
.has_dig_in = 1,
.has_dig_out = 1,
.has_ttl_io = 1,
},
[BOARD_APCI3003] = {
.name = "apci3003",
.ai_subdev_flags = SDF_DIFF,
.ai_n_chan = 4,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US |
CONV_UNIT_NS,
.ai_min_acq_ns = 2500,
.has_dig_in = 1,
.has_dig_out = 1,
},
[BOARD_APCI3002_16] = {
.name = "apci3002-16",
.ai_subdev_flags = SDF_DIFF,
.ai_n_chan = 16,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_dig_in = 1,
.has_dig_out = 1,
},
[BOARD_APCI3002_8] = {
.name = "apci3002-8",
.ai_subdev_flags = SDF_DIFF,
.ai_n_chan = 8,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_dig_in = 1,
.has_dig_out = 1,
},
[BOARD_APCI3002_4] = {
.name = "apci3002-4",
.ai_subdev_flags = SDF_DIFF,
.ai_n_chan = 4,
.ai_maxdata = 0xffff,
.ai_conv_units = CONV_UNIT_MS | CONV_UNIT_US,
.ai_min_acq_ns = 5000,
.has_dig_in = 1,
.has_dig_out = 1,
},
[BOARD_APCI3500] = {
.name = "apci3500",
.has_ao = 1,
.has_ttl_io = 1,
},
};
struct apci3xxx_private {
unsigned int ai_timer;
unsigned char ai_time_base;
};
static irqreturn_t apci3xxx_irq_handler(int irq, void *d)
{
struct comedi_device *dev = d;
struct comedi_subdevice *s = dev->read_subdev;
unsigned int status;
unsigned int val;
/* Test if interrupt occur */
status = readl(dev->mmio + 16);
if ((status & 0x2) == 0x2) {
/* Reset the interrupt */
writel(status, dev->mmio + 16);
val = readl(dev->mmio + 28);
comedi_buf_write_samples(s, &val, 1);
s->async->events |= COMEDI_CB_EOA;
comedi_handle_events(dev, s);
return IRQ_HANDLED;
}
return IRQ_NONE;
}
static int apci3xxx_ai_started(struct comedi_device *dev)
{
if ((readl(dev->mmio + 8) & 0x80000) == 0x80000)
return 1;
return 0;
}
static int apci3xxx_ai_setup(struct comedi_device *dev, unsigned int chanspec)
{
unsigned int chan = CR_CHAN(chanspec);
unsigned int range = CR_RANGE(chanspec);
unsigned int aref = CR_AREF(chanspec);
unsigned int delay_mode;
unsigned int val;
if (apci3xxx_ai_started(dev))
return -EBUSY;
/* Clear the FIFO */
writel(0x10000, dev->mmio + 12);
/* Get and save the delay mode */
delay_mode = readl(dev->mmio + 4);
delay_mode &= 0xfffffef0;
/* Channel configuration selection */
writel(delay_mode, dev->mmio + 4);
/* Make the configuration */
val = (range & 3) | ((range >> 2) << 6) |
((aref == AREF_DIFF) << 7);
writel(val, dev->mmio + 0);
/* Channel selection */
writel(delay_mode | 0x100, dev->mmio + 4);
writel(chan, dev->mmio + 0);
/* Restore delay mode */
writel(delay_mode, dev->mmio + 4);
/* Set the number of sequence to 1 */
writel(1, dev->mmio + 48);
return 0;
}
static int apci3xxx_ai_eoc(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned long context)
{
unsigned int status;
status = readl(dev->mmio + 20);
if (status & 0x1)
return 0;
return -EBUSY;
}
static int apci3xxx_ai_insn_read(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
int ret;
int i;
ret = apci3xxx_ai_setup(dev, insn->chanspec);
if (ret)
return ret;
for (i = 0; i < insn->n; i++) {
/* Start the conversion */
writel(0x80000, dev->mmio + 8);
/* Wait the EOS */
ret = comedi_timeout(dev, s, insn, apci3xxx_ai_eoc, 0);
if (ret)
return ret;
/* Read the analog value */
data[i] = readl(dev->mmio + 28);
}
return insn->n;
}
static int apci3xxx_ai_ns_to_timer(struct comedi_device *dev,
unsigned int *ns, unsigned int flags)
{
const struct apci3xxx_boardinfo *board = dev->board_ptr;
struct apci3xxx_private *devpriv = dev->private;
unsigned int base;
unsigned int timer;
int time_base;
/* time_base: 0 = ns, 1 = us, 2 = ms */
for (time_base = 0; time_base < 3; time_base++) {
/* skip unsupported time bases */
if (!(board->ai_conv_units & (1 << time_base)))
continue;
switch (time_base) {
case 0:
base = 1;
break;
case 1:
base = 1000;
break;
case 2:
base = 1000000;
break;
}
switch (flags & CMDF_ROUND_MASK) {
case CMDF_ROUND_NEAREST:
default:
timer = DIV_ROUND_CLOSEST(*ns, base);
break;
case CMDF_ROUND_DOWN:
timer = *ns / base;
break;
case CMDF_ROUND_UP:
timer = DIV_ROUND_UP(*ns, base);
break;
}
if (timer < 0x10000) {
devpriv->ai_time_base = time_base;
devpriv->ai_timer = timer;
*ns = timer * time_base;
return 0;
}
}
return -EINVAL;
}
static int apci3xxx_ai_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
const struct apci3xxx_boardinfo *board = dev->board_ptr;
int err = 0;
unsigned int arg;
/* Step 1 : check if triggers are trivially valid */
err |= comedi_check_trigger_src(&cmd->start_src, TRIG_NOW);
err |= comedi_check_trigger_src(&cmd->scan_begin_src, TRIG_FOLLOW);
err |= comedi_check_trigger_src(&cmd->convert_src, TRIG_TIMER);
err |= comedi_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
err |= comedi_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE);
if (err)
return 1;
/* Step 2a : make sure trigger sources are unique */
err |= comedi_check_trigger_is_unique(cmd->stop_src);
/* Step 2b : and mutually compatible */
if (err)
return 2;
/* Step 3: check if arguments are trivially valid */
err |= comedi_check_trigger_arg_is(&cmd->start_arg, 0);
err |= comedi_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
err |= comedi_check_trigger_arg_min(&cmd->convert_arg,
board->ai_min_acq_ns);
err |= comedi_check_trigger_arg_is(&cmd->scan_end_arg,
cmd->chanlist_len);
if (cmd->stop_src == TRIG_COUNT)
err |= comedi_check_trigger_arg_min(&cmd->stop_arg, 1);
else /* TRIG_NONE */
err |= comedi_check_trigger_arg_is(&cmd->stop_arg, 0);
if (err)
return 3;
/* step 4: fix up any arguments */
arg = cmd->convert_arg;
err |= apci3xxx_ai_ns_to_timer(dev, &arg, cmd->flags);
err |= comedi_check_trigger_arg_is(&cmd->convert_arg, arg);
if (err)
return 4;
return 0;
}
static int apci3xxx_ai_cmd(struct comedi_device *dev,
struct comedi_subdevice *s)
{
struct apci3xxx_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
int ret;
ret = apci3xxx_ai_setup(dev, cmd->chanlist[0]);
if (ret)
return ret;
/* Set the convert timing unit */
writel(devpriv->ai_time_base, dev->mmio + 36);
/* Set the convert timing */
writel(devpriv->ai_timer, dev->mmio + 32);
/* Start the conversion */
writel(0x180000, dev->mmio + 8);
return 0;
}
static int apci3xxx_ai_cancel(struct comedi_device *dev,
struct comedi_subdevice *s)
{
return 0;
}
static int apci3xxx_ao_eoc(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned long context)
{
unsigned int status;
status = readl(dev->mmio + 96);
if (status & 0x100)
return 0;
return -EBUSY;
}
static int apci3xxx_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);
int ret;
int i;
for (i = 0; i < insn->n; i++) {
unsigned int val = data[i];
/* Set the range selection */
writel(range, dev->mmio + 96);
/* Write the analog value to the selected channel */
writel((val << 8) | chan, dev->mmio + 100);
/* Wait the end of transfer */
ret = comedi_timeout(dev, s, insn, apci3xxx_ao_eoc, 0);
if (ret)
return ret;
s->readback[chan] = val;
}
return insn->n;
}
static int apci3xxx_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
data[1] = inl(dev->iobase + 32) & 0xf;
return insn->n;
}
static int apci3xxx_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
s->state = inl(dev->iobase + 48) & 0xf;
if (comedi_dio_update_state(s, data))
outl(s->state, dev->iobase + 48);
data[1] = s->state;
return insn->n;
}
static int apci3xxx_dio_insn_config(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
unsigned int chan = CR_CHAN(insn->chanspec);
unsigned int mask = 0;
int ret;
/*
* Port 0 (channels 0-7) are always inputs
* Port 1 (channels 8-15) are always outputs
* Port 2 (channels 16-23) are programmable i/o
*/
if (data[0] != INSN_CONFIG_DIO_QUERY) {
/* ignore all other instructions for ports 0 and 1 */
if (chan < 16)
return -EINVAL;
/* changing any channel in port 2 changes the entire port */
mask = 0xff0000;
}
ret = comedi_dio_insn_config(dev, s, insn, data, mask);
if (ret)
return ret;
/* update port 2 configuration */
outl((s->io_bits >> 24) & 0xff, dev->iobase + 224);
return insn->n;
}
static int apci3xxx_dio_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
unsigned int mask;
unsigned int val;
mask = comedi_dio_update_state(s, data);
if (mask) {
if (mask & 0xff)
outl(s->state & 0xff, dev->iobase + 80);
if (mask & 0xff0000)
outl((s->state >> 16) & 0xff, dev->iobase + 112);
}
val = inl(dev->iobase + 80);
val |= (inl(dev->iobase + 64) << 8);
if (s->io_bits & 0xff0000)
val |= (inl(dev->iobase + 112) << 16);
else
val |= (inl(dev->iobase + 96) << 16);
data[1] = val;
return insn->n;
}
static int apci3xxx_reset(struct comedi_device *dev)
{
unsigned int val;
int i;
/* Disable the interrupt */
disable_irq(dev->irq);
/* Clear the start command */
writel(0, dev->mmio + 8);
/* Reset the interrupt flags */
val = readl(dev->mmio + 16);
writel(val, dev->mmio + 16);
/* clear the EOS */
readl(dev->mmio + 20);
/* Clear the FIFO */
for (i = 0; i < 16; i++)
val = readl(dev->mmio + 28);
/* Enable the interrupt */
enable_irq(dev->irq);
return 0;
}
static int apci3xxx_auto_attach(struct comedi_device *dev,
unsigned long context)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
const struct apci3xxx_boardinfo *board = NULL;
struct apci3xxx_private *devpriv;
struct comedi_subdevice *s;
int n_subdevices;
int subdev;
int ret;
if (context < ARRAY_SIZE(apci3xxx_boardtypes))
board = &apci3xxx_boardtypes[context];
if (!board)
return -ENODEV;
dev->board_ptr = board;
dev->board_name = board->name;
devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
if (!devpriv)
return -ENOMEM;
ret = comedi_pci_enable(dev);
if (ret)
return ret;
dev->iobase = pci_resource_start(pcidev, 2);
dev->mmio = pci_ioremap_bar(pcidev, 3);
if (!dev->mmio)
return -ENOMEM;
if (pcidev->irq > 0) {
ret = request_irq(pcidev->irq, apci3xxx_irq_handler,
IRQF_SHARED, dev->board_name, dev);
if (ret == 0)
dev->irq = pcidev->irq;
}
n_subdevices = (board->ai_n_chan ? 0 : 1) + board->has_ao +
board->has_dig_in + board->has_dig_out +
board->has_ttl_io;
ret = comedi_alloc_subdevices(dev, n_subdevices);
if (ret)
return ret;
subdev = 0;
/* Analog Input subdevice */
if (board->ai_n_chan) {
s = &dev->subdevices[subdev];
s->type = COMEDI_SUBD_AI;
s->subdev_flags = SDF_READABLE | board->ai_subdev_flags;
s->n_chan = board->ai_n_chan;
s->maxdata = board->ai_maxdata;
s->range_table = &apci3xxx_ai_range;
s->insn_read = apci3xxx_ai_insn_read;
if (dev->irq) {
/*
* FIXME: The hardware supports multiple scan modes
* but the original addi-data driver only supported
* reading a single channel with interrupts. Need a
* proper datasheet to fix this.
*
* The following scan modes are supported by the
* hardware:
* 1) Single software scan
* 2) Single hardware triggered scan
* 3) Continuous software scan
* 4) Continuous software scan with timer delay
* 5) Continuous hardware triggered scan
* 6) Continuous hardware triggered scan with timer
* delay
*
* For now, limit the chanlist to a single channel.
*/
dev->read_subdev = s;
s->subdev_flags |= SDF_CMD_READ;
s->len_chanlist = 1;
s->do_cmdtest = apci3xxx_ai_cmdtest;
s->do_cmd = apci3xxx_ai_cmd;
s->cancel = apci3xxx_ai_cancel;
}
subdev++;
}
/* Analog Output subdevice */
if (board->has_ao) {
s = &dev->subdevices[subdev];
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON;
s->n_chan = 4;
s->maxdata = 0x0fff;
s->range_table = &apci3xxx_ao_range;
s->insn_write = apci3xxx_ao_insn_write;
ret = comedi_alloc_subdev_readback(s);
if (ret)
return ret;
subdev++;
}
/* Digital Input subdevice */
if (board->has_dig_in) {
s = &dev->subdevices[subdev];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->n_chan = 4;
s->maxdata = 1;
s->range_table = &range_digital;
s->insn_bits = apci3xxx_di_insn_bits;
subdev++;
}
/* Digital Output subdevice */
if (board->has_dig_out) {
s = &dev->subdevices[subdev];
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITABLE;
s->n_chan = 4;
s->maxdata = 1;
s->range_table = &range_digital;
s->insn_bits = apci3xxx_do_insn_bits;
subdev++;
}
/* TTL Digital I/O subdevice */
if (board->has_ttl_io) {
s = &dev->subdevices[subdev];
s->type = COMEDI_SUBD_DIO;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
s->n_chan = 24;
s->maxdata = 1;
s->io_bits = 0xff; /* channels 0-7 are always outputs */
s->range_table = &range_digital;
s->insn_config = apci3xxx_dio_insn_config;
s->insn_bits = apci3xxx_dio_insn_bits;
subdev++;
}
apci3xxx_reset(dev);
return 0;
}
static void apci3xxx_detach(struct comedi_device *dev)
{
if (dev->iobase)
apci3xxx_reset(dev);
comedi_pci_detach(dev);
}
static struct comedi_driver apci3xxx_driver = {
.driver_name = "addi_apci_3xxx",
.module = THIS_MODULE,
.auto_attach = apci3xxx_auto_attach,
.detach = apci3xxx_detach,
};
static int apci3xxx_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
return comedi_pci_auto_config(dev, &apci3xxx_driver, id->driver_data);
}
static const struct pci_device_id apci3xxx_pci_table[] = {
{ PCI_VDEVICE(ADDIDATA, 0x3010), BOARD_APCI3000_16 },
{ PCI_VDEVICE(ADDIDATA, 0x300f), BOARD_APCI3000_8 },
{ PCI_VDEVICE(ADDIDATA, 0x300e), BOARD_APCI3000_4 },
{ PCI_VDEVICE(ADDIDATA, 0x3013), BOARD_APCI3006_16 },
{ PCI_VDEVICE(ADDIDATA, 0x3014), BOARD_APCI3006_8 },
{ PCI_VDEVICE(ADDIDATA, 0x3015), BOARD_APCI3006_4 },
{ PCI_VDEVICE(ADDIDATA, 0x3016), BOARD_APCI3010_16 },
{ PCI_VDEVICE(ADDIDATA, 0x3017), BOARD_APCI3010_8 },
{ PCI_VDEVICE(ADDIDATA, 0x3018), BOARD_APCI3010_4 },
{ PCI_VDEVICE(ADDIDATA, 0x3019), BOARD_APCI3016_16 },
{ PCI_VDEVICE(ADDIDATA, 0x301a), BOARD_APCI3016_8 },
{ PCI_VDEVICE(ADDIDATA, 0x301b), BOARD_APCI3016_4 },
{ PCI_VDEVICE(ADDIDATA, 0x301c), BOARD_APCI3100_16_4 },
{ PCI_VDEVICE(ADDIDATA, 0x301d), BOARD_APCI3100_8_4 },
{ PCI_VDEVICE(ADDIDATA, 0x301e), BOARD_APCI3106_16_4 },
{ PCI_VDEVICE(ADDIDATA, 0x301f), BOARD_APCI3106_8_4 },
{ PCI_VDEVICE(ADDIDATA, 0x3020), BOARD_APCI3110_16_4 },
{ PCI_VDEVICE(ADDIDATA, 0x3021), BOARD_APCI3110_8_4 },
{ PCI_VDEVICE(ADDIDATA, 0x3022), BOARD_APCI3116_16_4 },
{ PCI_VDEVICE(ADDIDATA, 0x3023), BOARD_APCI3116_8_4 },
{ PCI_VDEVICE(ADDIDATA, 0x300B), BOARD_APCI3003 },
{ PCI_VDEVICE(ADDIDATA, 0x3002), BOARD_APCI3002_16 },
{ PCI_VDEVICE(ADDIDATA, 0x3003), BOARD_APCI3002_8 },
{ PCI_VDEVICE(ADDIDATA, 0x3004), BOARD_APCI3002_4 },
{ PCI_VDEVICE(ADDIDATA, 0x3024), BOARD_APCI3500 },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, apci3xxx_pci_table);
static struct pci_driver apci3xxx_pci_driver = {
.name = "addi_apci_3xxx",
.id_table = apci3xxx_pci_table,
.probe = apci3xxx_pci_probe,
.remove = comedi_pci_auto_unconfig,
};
module_comedi_pci_driver(apci3xxx_driver, apci3xxx_pci_driver);
MODULE_AUTHOR("Comedi https://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
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