staging: comedi: pcl730: add support for the PCL-734 ISA board

The PCL-734 ISA board can be supported by this driver. This board has
32 isolated digital outputs.

Add support for the PCL-734 board to the pcl730 driver and remove it
from the poc driver.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/Kconfig

@@ -157,6 +157,7 @@ config COMEDI_PCL730
 	  Advantech PCM-3730  isolated - 8 in/8 out    ttl - 16 in/16 out
 	  Advantech PCL-725   isolated - 8 in/8 out
 	  Advantech PCL-733   isolated - 32 in
+	  Advantech PCL-734   isolated - 32 out
 
 	  To compile this driver as a module, choose M here: the module will be
 	  called pcl730.
@@ -534,7 +535,7 @@ config COMEDI_POC
 	tristate "Generic driver for very simple devices"
 	---help---
 	  Enable generic support for very simple / POC (Piece of Crap) boards,
-	  Keithley Metrabyte DAC-02 (dac02) and Advantech PCL-734 (pcl734).
+	  Keithley Metrabyte DAC-02 (dac02).
 
 	  To compile this driver as a module, choose M here: the module will be
 	  called poc.

drivers/staging/comedi/drivers/pcl730.c

@@ -13,6 +13,7 @@
  *	    (Advantech) PCM-3730 [pcm3730]
  *	    (Advantech) PCL-725 [pcl725]
  *	    (Advantech) PCL-733 [pcl733]
+ *	    (Advantech) PCL-734 [pcl734]
  * Author: José Luis Sánchez (jsanchezv@teleline.es)
  * Status: untested
  *
@@ -33,6 +34,7 @@
  * The pcm3730 PC/104 board does not have the PCL730_IDIO_HI register.
  * The pcl725 ISA board uses separate registers for isolated digital I/O.
  * The pcl733 ISA board uses all four registers for isolated digital inputs.
+ * The pcl734 ISA board uses all four registers for isolated digital outputs.
  */
 #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) */
@@ -94,6 +96,11 @@ static const struct pcl730_board pcl730_boards[] = {
 		.io_range	= 0x04,
 		.n_subdevs	= 1,
 		.n_iso_in_chan	= 32,
+	}, {
+		.name		= "pcl734",
+		.io_range	= 0x04,
+		.n_subdevs	= 1,
+		.n_iso_out_chan	= 32,
 	},
 };
 
@@ -114,6 +121,10 @@ static int pcl730_do_insn_bits(struct comedi_device *dev,
 			outb(s->state & 0xff, dev->iobase + reg);
 		if ((mask & 0xff00) && (s->n_chan > 8))
 			outb((s->state >> 8) & 0xff, dev->iobase + reg + 1);
+		if ((mask & 0xff0000) && (s->n_chan > 16))
+			outb((s->state >> 16) & 0xff, dev->iobase + reg + 2);
+		if ((mask & 0xff000000) && (s->n_chan > 24))
+			outb((s->state >> 24) & 0xff, dev->iobase + reg + 3);
 	}
 
 	data[1] = s->state;

drivers/staging/comedi/drivers/poc.c

@@ -19,14 +19,12 @@ Driver: poc
 Description: Generic driver for very simple devices
 Author: ds
 Devices: [Keithley Metrabyte] DAC-02 (dac02)
-  PCL-734 (pcl734)
 Updated: Sat, 16 Mar 2002 17:34:48 -0800
 Status: unknown
 
 This driver is indended to support very simple ISA-based devices,
 including:
   dac02 - Keithley DAC-02 analog output board
-  pcl734 - Advantech PCL-734
 
 Configuration options:
   [0] - I/O port base
@@ -96,27 +94,6 @@ static int dac02_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
 	return 1;
 }
 
-static int pcl734_insn_bits(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] >> 0) & 0xff)
-			outb((s->state >> 0) & 0xff, dev->iobase + 0);
-		if ((data[0] >> 8) & 0xff)
-			outb((s->state >> 8) & 0xff, dev->iobase + 1);
-		if ((data[0] >> 16) & 0xff)
-			outb((s->state >> 16) & 0xff, dev->iobase + 2);
-		if ((data[0] >> 24) & 0xff)
-			outb((s->state >> 24) & 0xff, dev->iobase + 3);
-	}
-	data[1] = s->state;
-
-	return insn->n;
-}
-
 static int poc_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 {
 	const struct boarddef_struct *board = comedi_board(dev);
@@ -163,14 +140,6 @@ static const struct boarddef_struct boards[] = {
 		.winsn		= dac02_ao_winsn,
 		.rinsn		= readback_insn,
 		.range		= &range_unknown,
-	}, {
-		.name		= "pcl734",
-		.iosize		= 4,
-		.type		= COMEDI_SUBD_DO,
-		.n_chan		= 32,
-		.n_bits		= 1,
-		.insnbits	= pcl734_insn_bits,
-		.range		= &range_digital,
 	},
 };