staging: comedi: pcl730: add support for Diamond Systems IR104-PBF module

The Diamond Systems IR104-PBF board is a PC/104 module with 20
optoisolated inputs and 20 relay outputs.

This board can be supported by the pcl730 driver.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Greg Kroah-Hartman <gregk@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
index 5d56428..0ce4fba 100644 (file)
--- a/drivers/staging/comedi/Kconfig
+++ b/drivers/staging/comedi/Kconfig
@@ -172,6 +172,7 @@ config COMEDI_PCL730
          Advantech PCL-734             iso - 32 out
          Diamond Systems OPMM-1616-XT  iso - 16 in/16 out
          Diamond Systems PEARL-MM-P    iso - 16 out
+         Diamond Systems IR104-PBF     iso - 20 in/20 out
 
          To compile this driver as a module, choose M here: the module will be
          called pcl730.

diff --git a/drivers/staging/comedi/drivers/pcl730.c b/drivers/staging/comedi/drivers/pcl730.c
index 7fb044c..4eef4b4 100644 (file)
--- a/drivers/staging/comedi/drivers/pcl730.c
+++ b/drivers/staging/comedi/drivers/pcl730.c
@@ -19,6 +19,7 @@
  *         (Advantech) PCL-734 [pcl734]
  *         (Diamond Systems) OPMM-1616-XT [opmm-1616-xt]
  *         (Diamond Systems) PEARL-MM-P [prearl-mm-p]
+ *         (Diamond Systems) IR104-PBF [ir104-pbf]
  * Author: José Luis Sánchez (jsanchezv@teleline.es)
  * Status: untested
  *
@@ -93,6 +94,15 @@
  *
  *     BASE+0  Isolated outputs 0-7 (write)
  *     BASE+1  Isolated outputs 8-15 (write)
+ *
+ * The ir104-pbf board has this register mapping:
+ *
+ *     BASE+0  Isolated outputs 0-7 (write) (read back)
+ *     BASE+1  Isolated outputs 8-15 (write) (read back)
+ *     BASE+2  Isolated outputs 16-19 (write) (read back)
+ *     BASE+4  Isolated inputs 0-7 (read)
+ *     BASE+5  Isolated inputs 8-15 (read)
+ *     BASE+6  Isolated inputs 16-19 (read)
  */
 
 struct pcl730_board {
@@ -100,6 +110,7 @@ struct pcl730_board {
        unsigned int io_range;
        unsigned is_pcl725:1;
        unsigned is_acl7225b:1;
+       unsigned is_ir104:1;
        unsigned has_readback:1;
        unsigned has_ttl_io:1;
        int n_subdevs;
@@ -194,6 +205,13 @@ static const struct pcl730_board pcl730_boards[] = {
                .io_range       = 0x02,
                .n_subdevs      = 1,
                .n_iso_out_chan = 16,
+       }, {
+               .name           = "ir104-pbf",
+               .io_range       = 0x08,
+               .is_ir104       = 1,
+               .has_readback   = 1,
+               .n_iso_out_chan = 20,
+               .n_iso_in_chan  = 20,
        },
 };
 
@@ -292,7 +310,8 @@ static int pcl730_attach(struct comedi_device *dev,
                s->maxdata      = 1;
                s->range_table  = &range_digital;
                s->insn_bits    = pcl730_di_insn_bits;
-               s->private      = board->is_acl7225b ? (void *)2 :
+               s->private      = board->is_ir104 ? (void*)4 :
+                                 board->is_acl7225b ? (void *)2 :
                                  board->is_pcl725 ? (void *)1 : (void *)0;
        }