--- /dev/null
+/*
+
+ Driver for Acces I/O Products PC-104 AIO12-8 Analog I/O Board
+ Copyright (C) 2006 C&C Technologies, Inc.
+
+*/
+
+/*
+
+Driver: aio_aio12_8.o
+Description: Acces I/O Products PC-104 AIO12-8 Analog I/O Board
+Author: Pablo Mejia <pablo.mejia@cctechnol.com>
+Devices:
+ [Acces I/O] PC-104 AIO12-8
+Status: experimental
+
+Configuration Options:
+ [0] - I/O port base address
+
+Notes:
+
+ Only synchronous operations are supported.
+
+*/
+
+
+#include <linux/comedidev.h>
+#include <linux/ioport.h>
+#include "8255.h"
+
+
+#define AIO12_8_STATUS 0x00
+#define AIO12_8_INTERRUPT 0x01
+#define AIO12_8_ADC 0x02
+#define AIO12_8_DAC_0 0x04
+#define AIO12_8_DAC_1 0x06
+#define AIO12_8_DAC_2 0x08
+#define AIO12_8_DAC_3 0x0A
+#define AIO12_8_COUNTER_0 0x0C
+#define AIO12_8_COUNTER_1 0x0D
+#define AIO12_8_COUNTER_2 0x0E
+#define AIO12_8_COUNTER_CONTROL 0x0F
+#define AIO12_8_DIO_0 0x10
+#define AIO12_8_DIO_1 0x11
+#define AIO12_8_DIO_2 0x12
+#define AIO12_8_DIO_STATUS 0x13
+#define AIO12_8_DIO_CONTROL 0x14
+#define AIO12_8_ADC_TRIGGER_CONTROL 0x15
+#define AIO12_8_TRIGGER 0x16
+#define AIO12_8_POWER 0x17
+
+#define STATUS_ADC_EOC 0x80
+
+#define ADC_MODE_NORMAL 0x00
+#define ADC_MODE_INTERNAL_CLOCK 0x40
+#define ADC_MODE_STANDBY 0x80
+#define ADC_MODE_POWERDOWN 0xC0
+
+#define DAC_ENABLE 0x18
+
+typedef struct
+{
+ char *name;
+} board_type;
+
+static board_type board_types[] =
+{
+ {
+ name: "aio_aio12_8"
+ },
+};
+
+#define thisboard ((board_type *) dev->board_ptr)
+
+typedef struct
+{
+ lsampl_t ao_readback[4];
+} aio12_8_private;
+
+#define devpriv ((aio12_8_private *) dev->private)
+
+static int aio_aio12_8_ai_read (comedi_device *dev, comedi_subdevice *s,
+ comedi_insn *insn, lsampl_t *data)
+{
+ int n;
+ unsigned char control =
+ ADC_MODE_NORMAL |
+ (CR_RANGE(insn->chanspec) << 3) |
+ CR_CHAN(insn->chanspec);
+
+ //read status to clear EOC latch
+ inb (dev->iobase + AIO12_8_STATUS);
+
+ for (n = 0; n < insn->n; n++)
+ {
+ int timeout = 5;
+
+ // Setup and start conversion
+ outb (control, dev->iobase + AIO12_8_ADC);
+
+ // Wait for conversion to complete
+ while (timeout &&
+ ! (inb (dev->iobase + AIO12_8_STATUS) & STATUS_ADC_EOC))
+ {
+ timeout--;
+ printk ("timeout %d\n", timeout);
+ comedi_udelay (1);
+ }
+ if (timeout == 0)
+ {
+ comedi_error (dev, "ADC timeout");
+ return -EIO;
+ }
+
+ data[n] = inw (dev->iobase + AIO12_8_ADC) & 0x0FFF;
+ }
+ return n;
+}
+
+static int aio_aio12_8_ao_read (comedi_device *dev, comedi_subdevice *s,
+ comedi_insn *insn, lsampl_t *data)
+{
+ int i;
+ int val = devpriv->ao_readback[CR_CHAN(insn->chanspec)];
+
+ for (i = 0; i < insn->n; i++)
+ data[i] = val;
+ return insn->n;
+}
+
+static int aio_aio12_8_ao_write (comedi_device *dev, comedi_subdevice *s,
+ comedi_insn *insn, lsampl_t *data)
+{
+ int i;
+ int chan = CR_CHAN(insn->chanspec);
+ unsigned long port = dev->iobase + AIO12_8_DAC_0 + (2 * chan);
+
+ //enable DACs
+ outb(0x01, dev->iobase + DAC_ENABLE);
+
+ for (i = 0; i < insn->n; i++)
+ {
+ outb (data[i] & 0xFF, port); // LSB
+ outb ((data[i] >> 8) & 0x0F, port + 1); // MSB
+ devpriv->ao_readback[chan] = data[i];
+ }
+ return insn->n;
+}
+
+static comedi_lrange range_aio_aio12_8 =
+{
+ 4,
+ {
+ UNI_RANGE(5),
+ BIP_RANGE(5),
+ UNI_RANGE(10),
+ BIP_RANGE(10),
+ }
+};
+
+static int aio_aio12_8_attach (comedi_device *dev, comedi_devconfig *it)
+{
+ int iobase;
+ comedi_subdevice *s;
+
+ iobase = it->options[0];
+ if (! request_region (iobase, 24, "aio_aio12_8"))
+ {
+ printk ("I/O port conflict");
+ return -EIO;
+ }
+
+ dev->board_name = thisboard->name;
+
+ dev->iobase = iobase;
+
+ if (alloc_private (dev, sizeof (aio12_8_private)) < 0)
+ return -ENOMEM;
+
+ if (alloc_subdevices (dev, 3) < 0)
+ return -ENOMEM;
+
+ s = &dev->subdevices[0];
+ s->type = COMEDI_SUBD_AI;
+ s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DIFF;
+ s->n_chan = 8;
+ s->maxdata = (1 << 12) - 1;
+ s->range_table = &range_aio_aio12_8;
+ s->insn_read = aio_aio12_8_ai_read;
+
+ s = &dev->subdevices[1];
+ s->type = COMEDI_SUBD_AO;
+ s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_DIFF;
+ s->n_chan = 4;
+ s->maxdata = (1 << 12) - 1;
+ s->range_table = &range_aio_aio12_8;
+ s->insn_read = aio_aio12_8_ao_read;
+ s->insn_write = aio_aio12_8_ao_write;
+
+ s = &dev->subdevices[2];
+ subdev_8255_init (dev, s, NULL, dev->iobase + AIO12_8_DIO_0);
+
+ return 0;
+}
+
+static int aio_aio12_8_detach (comedi_device *dev)
+{
+ subdev_8255_cleanup (dev, &dev->subdevices[2]);
+ if (dev->iobase)
+ release_region (dev->iobase, 24);
+ return 0;
+}
+
+static comedi_driver driver_aio_aio12_8 =
+{
+ driver_name: "aio_aio12_8",
+ module: THIS_MODULE,
+ attach: aio_aio12_8_attach,
+ detach: aio_aio12_8_detach,
+ board_name: board_types,
+ num_names: 1,
+ offset: sizeof (board_type),
+};
+
+COMEDI_INITCLEANUP(driver_aio_aio12_8);
--- /dev/null
+/*
+
+ Driver for Acces I/O Products PC-104 AIO-IIRO-16 Digital I/O board
+ Copyright (C) 2006 C&C Technologies, Inc.
+
+*/
+
+/*
+
+Driver: aio_iiro_16.o
+Description: Acces I/O Products PC-104 IIRO16 Relay And Isolated Input Board
+Author: Zachary Ware <zach.ware@cctechnol.com>
+Devices:
+ [Acces I/O] PC-104 AIO12-8
+Status: experimental
+
+Configuration Options:
+ [0] - I/O port base address
+
+*/
+
+#include <linux/comedidev.h>
+#include <linux/ioport.h>
+
+#define AIO_IIRO_16_SIZE 0x08
+#define AIO_IIRO_16_RELAY_0_7 0x00
+#define AIO_IIRO_16_INPUT_0_7 0x01
+#define AIO_IIRO_16_IRQ 0x02
+#define AIO_IIRO_16_RELAY_8_15 0x04
+#define AIO_IIRO_16_INPUT_8_15 0x05
+
+
+typedef struct aio_iiro_16_board_struct
+{
+ char *name;
+ int do_;
+ int di;
+} aio_iiro_16_board;
+
+static aio_iiro_16_board aio_iiro_16_boards[] =
+{
+ {
+ name: "aio_iiro_16",
+ di: 16,
+ do_: 16
+ },
+};
+
+#define thisboard ((aio_iiro_16_board *) dev->board_ptr)
+
+typedef struct
+{
+ int data;
+ struct pci_dev *pci_dev;
+ lsampl_t ao_readback[2];
+} aio_iiro_16_private;
+
+
+#define devpriv ((aio_iiro_16_private *) dev->private)
+
+static int aio_iiro_16_attach (comedi_device *dev, comedi_devconfig *it);
+
+static int aio_iiro_16_detach (comedi_device *dev);
+
+static comedi_driver driver_aio_iiro_16 =
+{
+ driver_name: "aio_iiro_16",
+ module: THIS_MODULE,
+ attach: aio_iiro_16_attach,
+ detach: aio_iiro_16_detach,
+ board_name: aio_iiro_16_boards,
+ offset: sizeof (aio_iiro_16_board),
+ num_names: sizeof (aio_iiro_16_boards) /
+ sizeof (aio_iiro_16_board),
+};
+
+static int aio_iiro_16_dio_insn_bits_read (comedi_device *dev,
+ comedi_subdevice *s,
+ comedi_insn *insn, lsampl_t *data);
+
+static int aio_iiro_16_dio_insn_bits_write (comedi_device *dev,
+ comedi_subdevice *s,
+ comedi_insn *insn, lsampl_t *data);
+
+static int aio_iiro_16_attach (comedi_device *dev, comedi_devconfig *it)
+{
+ int iobase;
+ comedi_subdevice *s;
+
+ printk ("comedi%d: aio_iiro_16: ", dev->minor);
+
+ dev->board_name = thisboard->name;
+
+ iobase = it->options[0];
+
+ if (! request_region (iobase, AIO_IIRO_16_SIZE, dev->board_name))
+ {
+ printk ("I/O port conflict");
+ return -EIO;
+ }
+
+ dev->iobase = iobase;
+
+ if (alloc_private (dev, sizeof (aio_iiro_16_private)) < 0)
+ return -ENOMEM;
+
+ if (alloc_subdevices (dev, 2) < 0)
+ return -ENOMEM;
+
+ s = dev->subdevices + 0;
+ s->type = COMEDI_SUBD_DIO;
+ s->subdev_flags = SDF_WRITABLE;
+ s->n_chan = 16;
+ s->maxdata = 1;
+ s->range_table = &range_digital;
+ s->insn_bits = aio_iiro_16_dio_insn_bits_write;
+
+ s = dev->subdevices + 1;
+ s->type = COMEDI_SUBD_DIO;
+ s->subdev_flags = SDF_READABLE;
+ s->n_chan = 16;
+ s->maxdata = 1;
+ s->range_table = &range_digital;
+ s->insn_bits = aio_iiro_16_dio_insn_bits_read;
+
+ printk ("attached\n");
+
+ return 1;
+}
+
+static int aio_iiro_16_detach (comedi_device *dev)
+{
+ printk ("comedi%d: aio_iiro_16: remove\n", dev->minor);
+
+ if (dev->iobase) release_region (dev->iobase, AIO_IIRO_16_SIZE);
+
+ return 0;
+}
+
+static int aio_iiro_16_dio_insn_bits_write (comedi_device *dev,
+ comedi_subdevice *s,
+ comedi_insn *insn, lsampl_t *data)
+{
+ if (insn->n != 2)
+ return -EINVAL;
+
+ if (data[0])
+ {
+ s->state &= ~data[0];
+ s->state |= data[0] & data[1];
+ outb (s->state & 0xff, dev->iobase + AIO_IIRO_16_RELAY_0_7);
+ outb ((s->state >> 8) & 0xff,
+ dev->iobase + AIO_IIRO_16_RELAY_8_15);
+ }
+
+ data[1] = s->state;
+
+ return 2;
+}
+
+static int aio_iiro_16_dio_insn_bits_read (comedi_device *dev,
+ comedi_subdevice *s,
+ comedi_insn *insn, lsampl_t *data)
+{
+ if (insn->n != 2)
+ return -EINVAL;
+
+ data[1] = 0;
+ data[1] |= inb (dev->iobase + AIO_IIRO_16_INPUT_0_7);
+ data[1] |= inb (dev->iobase + AIO_IIRO_16_INPUT_8_15) << 8;
+
+ return 2;
+}
+
+COMEDI_INITCLEANUP(driver_aio_iiro_16);
projects / comedi.git / commitdiff