| /* |
| * comedi/drivers/pcl730.c |
| * Driver for Advantech PCL-730 and clones |
| * José Luis Sánchez |
| */ |
| /* |
| Driver: pcl730 |
| Description: Advantech PCL-730 (& compatibles) |
| Author: José Luis Sánchez (jsanchezv@teleline.es) |
| Status: untested |
| Devices: [Advantech] PCL-730 (pcl730), [ICP] ISO-730 (iso730), |
| [Adlink] ACL-7130 (acl7130) |
| |
| Interrupts are not supported. |
| The ACL-7130 card have an 8254 timer/counter not supported by this driver. |
| */ |
| |
| #include "../comedidev.h" |
| |
| #include <linux/ioport.h> |
| |
| #define PCL730_SIZE 4 |
| #define ACL7130_SIZE 8 |
| #define PCL730_IDIO_LO 0 /* Isolated Digital I/O low byte (ID0-ID7) */ |
| #define PCL730_IDIO_HI 1 /* Isolated Digital I/O high byte (ID8-ID15) */ |
| #define PCL730_DIO_LO 2 /* TTL Digital I/O low byte (D0-D7) */ |
| #define PCL730_DIO_HI 3 /* TTL Digital I/O high byte (D8-D15) */ |
| |
| struct pcl730_board { |
| |
| const char *name; /* board name */ |
| unsigned int io_range; /* len of I/O space */ |
| }; |
| |
| static int pcl730_do_insn(struct comedi_device *dev, struct comedi_subdevice *s, |
| struct comedi_insn *insn, unsigned int *data) |
| { |
| if (data[0]) { |
| s->state &= ~data[0]; |
| s->state |= (data[0] & data[1]); |
| } |
| if (data[0] & 0x00ff) |
| outb(s->state & 0xff, |
| dev->iobase + ((unsigned long)s->private)); |
| if (data[0] & 0xff00) |
| outb((s->state >> 8), |
| dev->iobase + ((unsigned long)s->private) + 1); |
| |
| data[1] = s->state; |
| |
| return insn->n; |
| } |
| |
| static int pcl730_di_insn(struct comedi_device *dev, struct comedi_subdevice *s, |
| struct comedi_insn *insn, unsigned int *data) |
| { |
| data[1] = inb(dev->iobase + ((unsigned long)s->private)) | |
| (inb(dev->iobase + ((unsigned long)s->private) + 1) << 8); |
| |
| return insn->n; |
| } |
| |
| static int pcl730_attach(struct comedi_device *dev, struct comedi_devconfig *it) |
| { |
| const struct pcl730_board *board = comedi_board(dev); |
| struct comedi_subdevice *s; |
| int ret; |
| |
| ret = comedi_request_region(dev, it->options[0], board->io_range); |
| if (ret) |
| return ret; |
| |
| ret = comedi_alloc_subdevices(dev, 4); |
| if (ret) |
| return ret; |
| |
| s = &dev->subdevices[0]; |
| /* Isolated do */ |
| s->type = COMEDI_SUBD_DO; |
| s->subdev_flags = SDF_WRITABLE; |
| s->maxdata = 1; |
| s->n_chan = 16; |
| s->insn_bits = pcl730_do_insn; |
| s->range_table = &range_digital; |
| s->private = (void *)PCL730_IDIO_LO; |
| |
| s = &dev->subdevices[1]; |
| /* Isolated di */ |
| s->type = COMEDI_SUBD_DI; |
| s->subdev_flags = SDF_READABLE; |
| s->maxdata = 1; |
| s->n_chan = 16; |
| s->insn_bits = pcl730_di_insn; |
| s->range_table = &range_digital; |
| s->private = (void *)PCL730_IDIO_LO; |
| |
| s = &dev->subdevices[2]; |
| /* TTL do */ |
| s->type = COMEDI_SUBD_DO; |
| s->subdev_flags = SDF_WRITABLE; |
| s->maxdata = 1; |
| s->n_chan = 16; |
| s->insn_bits = pcl730_do_insn; |
| s->range_table = &range_digital; |
| s->private = (void *)PCL730_DIO_LO; |
| |
| s = &dev->subdevices[3]; |
| /* TTL di */ |
| s->type = COMEDI_SUBD_DI; |
| s->subdev_flags = SDF_READABLE; |
| s->maxdata = 1; |
| s->n_chan = 16; |
| s->insn_bits = pcl730_di_insn; |
| s->range_table = &range_digital; |
| s->private = (void *)PCL730_DIO_LO; |
| |
| printk(KERN_INFO "\n"); |
| |
| return 0; |
| } |
| |
| static const struct pcl730_board boardtypes[] = { |
| { "pcl730", PCL730_SIZE, }, |
| { "iso730", PCL730_SIZE, }, |
| { "acl7130", ACL7130_SIZE, }, |
| }; |
| |
| static struct comedi_driver pcl730_driver = { |
| .driver_name = "pcl730", |
| .module = THIS_MODULE, |
| .attach = pcl730_attach, |
| .detach = comedi_legacy_detach, |
| .board_name = &boardtypes[0].name, |
| .num_names = ARRAY_SIZE(boardtypes), |
| .offset = sizeof(struct pcl730_board), |
| }; |
| module_comedi_driver(pcl730_driver); |
| |
| MODULE_AUTHOR("Comedi http://www.comedi.org"); |
| MODULE_DESCRIPTION("Comedi low-level driver"); |
| MODULE_LICENSE("GPL"); |