Original source from author. Probably will be moved/fixed.

diff --git a/comedi/drivers/pcm3730.c b/comedi/drivers/pcm3730.c
new file mode 100644 (file)
index 0000000..d906b67
--- /dev/null
+++ b/comedi/drivers/pcm3730.c
@@ -0,0 +1,184 @@
+/*
+ * Driver for PCM3730 and clones
+ * Blaine Lee
+ * from pcl725 by David S.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/malloc.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/timex.h>
+#include <linux/timer.h>
+#include <asm/io.h>
+#include <comedi_module.h>
+
+
+
+#define PCM3730_SIZE 4   // consecutive io port addresses
+
+#define PCM3730_DOA 0    // offsets for each port
+#define PCM3730_DOB 2
+#define PCM3730_DOC 3
+#define PCM3730_DIA 0
+#define PCM3730_DIB 2
+#define PCM3730_DIC 3
+
+static int pcm3730_attach(comedi_device *dev,comedi_devconfig *it);
+static int pcm3730_detach(comedi_device *dev);
+comedi_driver driver_pcm3730={
+       driver_name:    "pcm3730",
+       module:         THIS_MODULE,
+       attach:         pcm3730_attach,
+       detach:         pcm3730_detach,
+};
+
+static int pcm3730_doa(comedi_device *dev,comedi_subdevice *s,comedi_trig *it);
+static int pcm3730_dob(comedi_device *dev,comedi_subdevice *s,comedi_trig *it);
+static int pcm3730_doc(comedi_device *dev,comedi_subdevice *s,comedi_trig *it);
+static int pcm3730_dia(comedi_device *dev,comedi_subdevice *s,comedi_trig *it);
+static int pcm3730_dib(comedi_device *dev,comedi_subdevice *s,comedi_trig *it);
+static int pcm3730_dic(comedi_device *dev,comedi_subdevice *s,comedi_trig *it);
+
+static int pcm3730_doa(comedi_device *dev,comedi_subdevice *s,comedi_trig *it)
+{
+       do_pack(&s->state,it);
+       outb(s->state,dev->iobase+PCM3730_DOA);
+       return it->n_chan;
+}
+
+static int pcm3730_dob(comedi_device *dev,comedi_subdevice *s,comedi_trig *it)
+{
+       do_pack(&s->state,it);
+       outb(s->state,dev->iobase+PCM3730_DOB);
+       return it->n_chan;
+}
+
+static int pcm3730_doc(comedi_device *dev,comedi_subdevice *s,comedi_trig *it)
+{
+       do_pack(&s->state,it);
+       outb(s->state,dev->iobase+PCM3730_DOC);
+       return it->n_chan;
+}
+
+static int pcm3730_dia(comedi_device *dev,comedi_subdevice *s,comedi_trig *it)
+{
+       unsigned int bits;
+       bits=inb(dev->iobase+PCM3730_DIA);
+       return di_unpack(bits,it);
+}
+
+static int pcm3730_dib(comedi_device *dev,comedi_subdevice *s,comedi_trig *it)
+{
+       unsigned int bits;
+       bits=inb(dev->iobase+PCM3730_DIB);
+       return di_unpack(bits,it);
+}
+
+static int pcm3730_dic(comedi_device *dev,comedi_subdevice *s,comedi_trig *it)
+{
+       unsigned int bits;
+       bits=inb(dev->iobase+PCM3730_DIC);
+       return di_unpack(bits,it);
+}
+
+static int pcm3730_attach(comedi_device *dev,comedi_devconfig *it)
+{
+       comedi_subdevice *s;
+
+       dev->iobase=it->options[0];
+       printk("comedi%d: pcm3730: 0x%04x ",dev->minor,dev->iobase);
+       if(check_region(dev->iobase,PCM3730_SIZE)<0){
+               printk("I/O port conflict\n");
+               return -EIO;
+       }
+       request_region(dev->iobase,PCM3730_SIZE,"pcm3730");
+       dev->board_name="pcm3730";
+       dev->iobase=dev->iobase;
+       dev->iosize=PCM3730_SIZE;
+       dev->irq=0;
+
+       dev->n_subdevices=6;
+
+       if(alloc_subdevices(dev)<0)
+               return -ENOMEM;
+
+       s=dev->subdevices+0;
+       s->type=COMEDI_SUBD_DO;
+       s->subdev_flags=SDF_WRITEABLE;
+       s->maxdata=1;
+       s->n_chan=8;
+       s->trig[0]=pcm3730_doa;
+       s->range_table=&range_digital;
+
+       s=dev->subdevices+1;
+       s->type=COMEDI_SUBD_DO;
+       s->subdev_flags=SDF_WRITEABLE;
+       s->maxdata=1;
+       s->n_chan=8;
+       s->trig[0]=pcm3730_dob;
+       s->range_table=&range_digital;
+
+       s=dev->subdevices+2;
+       s->type=COMEDI_SUBD_DO;
+       s->subdev_flags=SDF_WRITEABLE;
+       s->maxdata=1;
+       s->n_chan=8;
+       s->trig[0]=pcm3730_doc;
+       s->range_table=&range_digital;
+
+       s=dev->subdevices+3;
+       s->type=COMEDI_SUBD_DI;
+       s->subdev_flags=SDF_READABLE;
+       s->maxdata=1;
+       s->n_chan=8;
+       s->trig[0]=pcm3730_dia;
+       s->range_table=&range_digital;
+
+       s=dev->subdevices+4;
+       s->type=COMEDI_SUBD_DI;
+       s->subdev_flags=SDF_READABLE;
+       s->maxdata=1;
+       s->n_chan=8;
+       s->trig[0]=pcm3730_dib;
+       s->range_table=&range_digital;
+
+       s=dev->subdevices+5;
+       s->type=COMEDI_SUBD_DI;
+       s->subdev_flags=SDF_READABLE;
+       s->maxdata=1;
+       s->n_chan=8;
+       s->trig[0]=pcm3730_dic;
+       s->range_table=&range_digital;
+
+       printk("\n");
+
+       return 0;
+}
+
+
+static int pcm3730_detach(comedi_device *dev)
+{
+       printk("comedi%d: pcm3730: remove\n",dev->minor);
+       
+       return 0;
+}
+
+#ifdef MODULE
+int init_module(void)
+{
+       comedi_driver_register(&driver_pcm3730);
+       
+       return 0;
+}
+
+void cleanup_module(void)
+{
+       comedi_driver_unregister(&driver_pcm3730);
+}
+#endif