| /* |
| * 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) */ |
| |
| static int pcl730_attach(struct comedi_device * dev, struct comedi_devconfig * it); |
| static int pcl730_detach(struct comedi_device * dev); |
| |
| struct pcl730_board { |
| |
| const char *name; // board name |
| unsigned int io_range; // len of I/O space |
| }; |
| |
| |
| static const struct pcl730_board boardtypes[] = { |
| {"pcl730", PCL730_SIZE,}, |
| {"iso730", PCL730_SIZE,}, |
| {"acl7130", ACL7130_SIZE,}, |
| }; |
| |
| #define n_boardtypes (sizeof(boardtypes)/sizeof(struct pcl730_board)) |
| #define this_board ((const struct pcl730_board *)dev->board_ptr) |
| |
| static struct comedi_driver driver_pcl730 = { |
| driver_name:"pcl730", |
| module:THIS_MODULE, |
| attach:pcl730_attach, |
| detach:pcl730_detach, |
| board_name:&boardtypes[0].name, |
| num_names:n_boardtypes, |
| offset:sizeof(struct pcl730_board), |
| }; |
| |
| COMEDI_INITCLEANUP(driver_pcl730); |
| |
| static int pcl730_do_insn(struct comedi_device * dev, struct comedi_subdevice * s, |
| struct comedi_insn * insn, unsigned int * data) |
| { |
| if (insn->n != 2) |
| return -EINVAL; |
| |
| 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 2; |
| } |
| |
| static int pcl730_di_insn(struct comedi_device * dev, struct comedi_subdevice * s, |
| struct comedi_insn * insn, unsigned int * data) |
| { |
| if (insn->n != 2) |
| return -EINVAL; |
| |
| data[1] = inb(dev->iobase + ((unsigned long)s->private)) | |
| (inb(dev->iobase + ((unsigned long)s->private) + 1) << 8); |
| |
| return 2; |
| } |
| |
| static int pcl730_attach(struct comedi_device * dev, struct comedi_devconfig * it) |
| { |
| struct comedi_subdevice *s; |
| unsigned long iobase; |
| unsigned int iorange; |
| |
| iobase = it->options[0]; |
| iorange = this_board->io_range; |
| printk("comedi%d: pcl730: board=%s 0x%04lx ", dev->minor, |
| this_board->name, iobase); |
| if (!request_region(iobase, iorange, "pcl730")) { |
| printk("I/O port conflict\n"); |
| return -EIO; |
| } |
| dev->board_name = this_board->name; |
| dev->iobase = iobase; |
| dev->irq = 0; |
| |
| if (alloc_subdevices(dev, 4) < 0) |
| return -ENOMEM; |
| |
| 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("\n"); |
| |
| return 0; |
| } |
| |
| static int pcl730_detach(struct comedi_device * dev) |
| { |
| printk("comedi%d: pcl730: remove\n", dev->minor); |
| |
| if (dev->iobase) |
| release_region(dev->iobase, this_board->io_range); |
| |
| return 0; |
| } |