The comedi drivers should be used instead, no need to have
this driver in the tree duplicating that one.

Cc: Wolfgang Beiter <w.beiter@aon.at>
Cc: Guenter Gebhardt <g.gebhardt@meilhaus.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig                  |    2 -
 drivers/staging/Makefile                 |    1 -
 drivers/staging/me4000/Kconfig           |   10 -
 drivers/staging/me4000/Makefile          |    1 -
 drivers/staging/me4000/README            |   13 -
 drivers/staging/me4000/me4000.c          | 6109 ------------------
 drivers/staging/me4000/me4000.h          |  966 ---
 drivers/staging/me4000/me4000_firmware.h |10033 ------------------------------
 drivers/staging/me4000/me4610_firmware.h | 5409 ----------------
 9 files changed, 0 insertions(+), 22544 deletions(-)
 delete mode 100644 drivers/staging/me4000/Kconfig
 delete mode 100644 drivers/staging/me4000/Makefile
 delete mode 100644 drivers/staging/me4000/README
 delete mode 100644 drivers/staging/me4000/me4000.c
 delete mode 100644 drivers/staging/me4000/me4000.h
 delete mode 100644 drivers/staging/me4000/me4000_firmware.h
 delete mode 100644 drivers/staging/me4000/me4610_firmware.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index ee073ce..d76f6b3 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -47,8 +47,6 @@ source "drivers/staging/slicoss/Kconfig"
 
 source "drivers/staging/sxg/Kconfig"
 
-source "drivers/staging/me4000/Kconfig"
-
 source "drivers/staging/meilhaus/Kconfig"
 
 source "drivers/staging/go7007/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index c5c8cae..01bf228 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -6,7 +6,6 @@ obj-$(CONFIG_STAGING)		+= staging.o
 obj-$(CONFIG_ET131X)		+= et131x/
 obj-$(CONFIG_SLICOSS)		+= slicoss/
 obj-$(CONFIG_SXG)		+= sxg/
-obj-$(CONFIG_ME4000)		+= me4000/
 obj-$(CONFIG_MEILHAUS)		+= meilhaus/
 obj-$(CONFIG_VIDEO_GO7007)	+= go7007/
 obj-$(CONFIG_USB_IP_COMMON)	+= usbip/
diff --git a/drivers/staging/me4000/Kconfig b/drivers/staging/me4000/Kconfig
deleted file mode 100644
index 5e6c9de..0000000
--- a/drivers/staging/me4000/Kconfig
+++ /dev/null
@@ -1,10 +0,0 @@
-config ME4000
-	tristate "Meilhaus ME-4000 support"
-	default n
-	depends on PCI
-	help
-	  This driver supports the Meilhaus ME-4000 family of boards
-	  that do data collection and multipurpose I/O.
-
-	  To compile this driver as a module, choose M here: the module
-	  will be called me4000.
diff --git a/drivers/staging/me4000/Makefile b/drivers/staging/me4000/Makefile
deleted file mode 100644
index 74487cd..0000000
--- a/drivers/staging/me4000/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_ME4000)		+= me4000.o
diff --git a/drivers/staging/me4000/README b/drivers/staging/me4000/README
deleted file mode 100644
index bbb8386..0000000
--- a/drivers/staging/me4000/README
+++ /dev/null
@@ -1,13 +0,0 @@
-
-TODO:
-	- checkpatch.pl cleanups
-	- sparse cleanups
-	- possible /proc interaction cleanups
-	- more info needed for Kconfig entry
-	- real device id?
-	- module parameter cleanup
-
-Please send patches to Greg Kroah-Hartman <gregkh@suse.de>
-and Cc: Wolfgang Beiter <w.beiter@aon.at> and
-Guenter Gebhardt <g.gebhardt@meilhaus.de>
-
diff --git a/drivers/staging/me4000/me4000.c b/drivers/staging/me4000/me4000.c
deleted file mode 100644
index 01017b7..0000000
--- a/drivers/staging/me4000/me4000.c
+++ /dev/null
@@ -1,6109 +0,0 @@
-/* Device driver for Meilhaus ME-4000 board family.
- * ================================================
- *
- *  Copyright (C) 2003 Meilhaus Electronic GmbH (support@meilhaus.de)
- *
- *  This file is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *  Author:	Guenter Gebhardt	<g.gebhardt@meilhaus.de>
- */
-
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/errno.h>
-#include <linux/delay.h>
-#include <linux/mm.h>
-#include <linux/unistd.h>
-#include <linux/list.h>
-#include <linux/proc_fs.h>
-#include <linux/types.h>
-#include <linux/poll.h>
-#include <linux/vmalloc.h>
-#include <linux/slab.h>
-#include <asm/pgtable.h>
-#include <linux/uaccess.h>
-#include <linux/io.h>
-#include <asm/system.h>
-
-/* Include-File for the Meilhaus ME-4000 I/O board */
-#include "me4000.h"
-#include "me4000_firmware.h"
-#include "me4610_firmware.h"
-
-/* Administrative stuff for modinfo */
-MODULE_AUTHOR("Guenter Gebhardt <g.gebhardt@meilhaus.de>");
-MODULE_DESCRIPTION
-    ("Device Driver Module for Meilhaus ME-4000 boards version 1.0.5");
-MODULE_SUPPORTED_DEVICE("Meilhaus ME-4000 Multi I/O boards");
-MODULE_LICENSE("GPL");
-
-/* Board specific data are kept in a global list */
-static LIST_HEAD(me4000_board_info_list);
-
-/* Major Device Numbers. 0 means to get it automatically from the System */
-static int me4000_ao_major_driver_no;
-static int me4000_ai_major_driver_no;
-static int me4000_dio_major_driver_no;
-static int me4000_cnt_major_driver_no;
-static int me4000_ext_int_major_driver_no;
-
-/* Let the user specify a custom major driver number */
-module_param(me4000_ao_major_driver_no, int, 0);
-MODULE_PARM_DESC(me4000_ao_major_driver_no,
-		 "Major driver number for analog output (default 0)");
-
-module_param(me4000_ai_major_driver_no, int, 0);
-MODULE_PARM_DESC(me4000_ai_major_driver_no,
-		 "Major driver number for analog input (default 0)");
-
-module_param(me4000_dio_major_driver_no, int, 0);
-MODULE_PARM_DESC(me4000_dio_major_driver_no,
-		 "Major driver number digital I/O (default 0)");
-
-module_param(me4000_cnt_major_driver_no, int, 0);
-MODULE_PARM_DESC(me4000_cnt_major_driver_no,
-		 "Major driver number for counter (default 0)");
-
-module_param(me4000_ext_int_major_driver_no, int, 0);
-MODULE_PARM_DESC(me4000_ext_int_major_driver_no,
-		 "Major driver number for external interrupt (default 0)");
-
-/*-----------------------------------------------------------------------------
-  Board detection and initialization
-  ---------------------------------------------------------------------------*/
-static int me4000_probe(struct pci_dev *dev, const struct pci_device_id *id);
-static int me4000_xilinx_download(struct me4000_info *);
-static int me4000_reset_board(struct me4000_info *);
-
-static void clear_board_info_list(void);
-static void release_ao_contexts(struct me4000_info *board_info);
-/*-----------------------------------------------------------------------------
-  Stuff used by all device parts
-  ---------------------------------------------------------------------------*/
-static int me4000_open(struct inode *, struct file *);
-static int me4000_release(struct inode *, struct file *);
-
-static int me4000_get_user_info(struct me4000_user_info *,
-				struct me4000_info *board_info);
-static int me4000_read_procmem(char *, char **, off_t, int, int *, void *);
-
-/*-----------------------------------------------------------------------------
-  Analog output stuff
-  ---------------------------------------------------------------------------*/
-static ssize_t me4000_ao_write_sing(struct file *, const char *, size_t,
-				    loff_t *);
-static ssize_t me4000_ao_write_wrap(struct file *, const char *, size_t,
-				    loff_t *);
-static ssize_t me4000_ao_write_cont(struct file *, const char *, size_t,
-				    loff_t *);
-
-static int me4000_ao_ioctl_sing(struct inode *, struct file *, unsigned int,
-				unsigned long);
-static int me4000_ao_ioctl_wrap(struct inode *, struct file *, unsigned int,
-				unsigned long);
-static int me4000_ao_ioctl_cont(struct inode *, struct file *, unsigned int,
-				unsigned long);
-
-static unsigned int me4000_ao_poll_cont(struct file *, poll_table *);
-static int me4000_ao_fsync_cont(struct file *, struct dentry *, int);
-
-static int me4000_ao_start(unsigned long *, struct me4000_ao_context *);
-static int me4000_ao_stop(struct me4000_ao_context *);
-static int me4000_ao_immediate_stop(struct me4000_ao_context *);
-static int me4000_ao_timer_set_divisor(u32 *, struct me4000_ao_context *);
-static int me4000_ao_preload(struct me4000_ao_context *);
-static int me4000_ao_preload_update(struct me4000_ao_context *);
-static int me4000_ao_ex_trig_set_edge(int *, struct me4000_ao_context *);
-static int me4000_ao_ex_trig_enable(struct me4000_ao_context *);
-static int me4000_ao_ex_trig_disable(struct me4000_ao_context *);
-static int me4000_ao_prepare(struct me4000_ao_context *ao_info);
-static int me4000_ao_reset(struct me4000_ao_context *ao_info);
-static int me4000_ao_enable_do(struct me4000_ao_context *);
-static int me4000_ao_disable_do(struct me4000_ao_context *);
-static int me4000_ao_fsm_state(int *, struct me4000_ao_context *);
-
-static int me4000_ao_simultaneous_ex_trig(struct me4000_ao_context *ao_context);
-static int me4000_ao_simultaneous_sw(struct me4000_ao_context *ao_context);
-static int me4000_ao_simultaneous_disable(struct me4000_ao_context *ao_context);
-static int me4000_ao_simultaneous_update(
-					struct me4000_ao_channel_list *channels,
-					struct me4000_ao_context *ao_context);
-
-static int me4000_ao_synchronous_ex_trig(struct me4000_ao_context *ao_context);
-static int me4000_ao_synchronous_sw(struct me4000_ao_context *ao_context);
-static int me4000_ao_synchronous_disable(struct me4000_ao_context *ao_context);
-
-static int me4000_ao_ex_trig_timeout(unsigned long *arg,
-				     struct me4000_ao_context *ao_context);
-static int me4000_ao_get_free_buffer(unsigned long *arg,
-				     struct me4000_ao_context *ao_context);
-
-/*-----------------------------------------------------------------------------
-  Analog input stuff
-  ---------------------------------------------------------------------------*/
-static int me4000_ai_single(struct me4000_ai_single *,
-				struct me4000_ai_context *);
-static int me4000_ai_ioctl_sing(struct inode *, struct file *, unsigned int,
-				unsigned long);
-
-static ssize_t me4000_ai_read(struct file *, char *, size_t, loff_t *);
-static int me4000_ai_ioctl_sw(struct inode *, struct file *, unsigned int,
-			      unsigned long);
-static unsigned int me4000_ai_poll(struct file *, poll_table *);
-static int me4000_ai_fasync(int fd, struct file *file_p, int mode);
-
-static int me4000_ai_ioctl_ext(struct inode *, struct file *, unsigned int,
-			       unsigned long);
-
-static int me4000_ai_prepare(struct me4000_ai_context *ai_context);
-static int me4000_ai_reset(struct me4000_ai_context *ai_context);
-static int me4000_ai_config(struct me4000_ai_config *,
-				struct me4000_ai_context *);
-static int me4000_ai_start(struct me4000_ai_context *);
-static int me4000_ai_start_ex(unsigned long *, struct me4000_ai_context *);
-static int me4000_ai_stop(struct me4000_ai_context *);
-static int me4000_ai_immediate_stop(struct me4000_ai_context *);
-static int me4000_ai_ex_trig_enable(struct me4000_ai_context *);
-static int me4000_ai_ex_trig_disable(struct me4000_ai_context *);
-static int me4000_ai_ex_trig_setup(struct me4000_ai_trigger *,
-				   struct me4000_ai_context *);
-static int me4000_ai_sc_setup(struct me4000_ai_sc *arg,
-			      struct me4000_ai_context *ai_context);
-static int me4000_ai_offset_enable(struct me4000_ai_context *ai_context);
-static int me4000_ai_offset_disable(struct me4000_ai_context *ai_context);
-static int me4000_ai_fullscale_enable(struct me4000_ai_context *ai_context);
-static int me4000_ai_fullscale_disable(struct me4000_ai_context *ai_context);
-static int me4000_ai_fsm_state(int *arg, struct me4000_ai_context *ai_context);
-static int me4000_ai_get_count_buffer(unsigned long *arg,
-				      struct me4000_ai_context *ai_context);
-
-/*-----------------------------------------------------------------------------
-  EEPROM stuff
-  ---------------------------------------------------------------------------*/
-static int me4000_eeprom_read(struct me4000_eeprom *arg,
-			      struct me4000_ai_context *ai_context);
-static int me4000_eeprom_write(struct me4000_eeprom *arg,
-			       struct me4000_ai_context *ai_context);
-
-/*-----------------------------------------------------------------------------
-  Digital I/O stuff
-  ---------------------------------------------------------------------------*/
-static int me4000_dio_ioctl(struct inode *, struct file *, unsigned int,
-			    unsigned long);
-static int me4000_dio_config(struct me4000_dio_config *,
-				struct me4000_dio_context *);
-static int me4000_dio_get_byte(struct me4000_dio_byte *,
-				struct me4000_dio_context *);
-static int me4000_dio_set_byte(struct me4000_dio_byte *,
-				struct me4000_dio_context *);
-static int me4000_dio_reset(struct me4000_dio_context *);
-
-/*-----------------------------------------------------------------------------
-  Counter stuff
-  ---------------------------------------------------------------------------*/
-static int me4000_cnt_ioctl(struct inode *, struct file *, unsigned int,
-			    unsigned long);
-static int me4000_cnt_config(struct me4000_cnt_config *,
-				struct me4000_cnt_context *);
-static int me4000_cnt_read(struct me4000_cnt *, struct me4000_cnt_context *);
-static int me4000_cnt_write(struct me4000_cnt *, struct me4000_cnt_context *);
-static int me4000_cnt_reset(struct me4000_cnt_context *);
-
-/*-----------------------------------------------------------------------------
-  External interrupt routines
-  ---------------------------------------------------------------------------*/
-static int me4000_ext_int_ioctl(struct inode *, struct file *, unsigned int,
-				unsigned long);
-static int me4000_ext_int_enable(struct me4000_ext_int_context *);
-static int me4000_ext_int_disable(struct me4000_ext_int_context *);
-static int me4000_ext_int_count(unsigned long *arg,
-				struct me4000_ext_int_context *ext_int_context);
-static int me4000_ext_int_fasync(int fd, struct file *file_ptr, int mode);
-
-/*-----------------------------------------------------------------------------
-  The interrupt service routines
-  ---------------------------------------------------------------------------*/
-static irqreturn_t me4000_ao_isr(int, void *);
-static irqreturn_t me4000_ai_isr(int, void *);
-static irqreturn_t me4000_ext_int_isr(int, void *);
-
-/*-----------------------------------------------------------------------------
-  Inline functions
-  ---------------------------------------------------------------------------*/
-
-static inline int me4000_buf_count(struct me4000_circ_buf buf, int size)
-{
-	return (buf.head - buf.tail) & (size - 1);
-}
-
-static inline int me4000_buf_space(struct me4000_circ_buf buf, int size)
-{
-	return (buf.tail - (buf.head + 1)) & (size - 1);
-}
-
-static inline int me4000_values_to_end(struct me4000_circ_buf buf, int size)
-{
-	int end;
-	int n;
-	end = size - buf.tail;
-	n = (buf.head + end) & (size - 1);
-	return (n < end) ? n : end;
-}
-
-static inline int me4000_space_to_end(struct me4000_circ_buf buf, int size)
-{
-	int end;
-	int n;
-
-	end = size - 1 - buf.head;
-	n = (end + buf.tail) & (size - 1);
-	return (n <= end) ? n : (end + 1);
-}
-
-static inline void me4000_outb(unsigned char value, unsigned long port)
-{
-	PORT_PDEBUG("--> 0x%02X port 0x%04lX\n", value, port);
-	outb(value, port);
-}
-
-static inline void me4000_outl(unsigned long value, unsigned long port)
-{
-	PORT_PDEBUG("--> 0x%08lX port 0x%04lX\n", value, port);
-	outl(value, port);
-}
-
-static inline unsigned long me4000_inl(unsigned long port)
-{
-	unsigned long value;
-	value = inl(port);
-	PORT_PDEBUG("<-- 0x%08lX port 0x%04lX\n", value, port);
-	return value;
-}
-
-static inline unsigned char me4000_inb(unsigned long port)
-{
-	unsigned char value;
-	value = inb(port);
-	PORT_PDEBUG("<-- 0x%08X port 0x%04lX\n", value, port);
-	return value;
-}
-
-static struct pci_driver me4000_driver = {
-	.name = ME4000_NAME,
-	.id_table = me4000_pci_table,
-	.probe = me4000_probe
-};
-
-static const struct file_operations me4000_ao_fops_sing = {
-      .owner = THIS_MODULE,
-      .write = me4000_ao_write_sing,
-      .ioctl = me4000_ao_ioctl_sing,
-      .open = me4000_open,
-      .release = me4000_release,
-};
-
-static const struct file_operations me4000_ao_fops_wrap = {
-      .owner = THIS_MODULE,
-      .write = me4000_ao_write_wrap,
-      .ioctl = me4000_ao_ioctl_wrap,
-      .open = me4000_open,
-      .release = me4000_release,
-};
-
-static const struct file_operations me4000_ao_fops_cont = {
-      .owner = THIS_MODULE,
-      .write = me4000_ao_write_cont,
-      .poll = me4000_ao_poll_cont,
-      .ioctl = me4000_ao_ioctl_cont,
-      .open = me4000_open,
-      .release = me4000_release,
-      .fsync = me4000_ao_fsync_cont,
-};
-
-static const struct file_operations me4000_ai_fops_sing = {
-      .owner = THIS_MODULE,
-      .ioctl = me4000_ai_ioctl_sing,
-      .open = me4000_open,
-      .release = me4000_release,
-};
-
-static const struct file_operations me4000_ai_fops_cont_sw = {
-      .owner = THIS_MODULE,
-      .read = me4000_ai_read,
-      .poll = me4000_ai_poll,
-      .ioctl = me4000_ai_ioctl_sw,
-      .open = me4000_open,
-      .release = me4000_release,
-      .fasync = me4000_ai_fasync,
-};
-
-static const struct file_operations me4000_ai_fops_cont_et = {
-      .owner = THIS_MODULE,
-      .read = me4000_ai_read,
-      .poll = me4000_ai_poll,
-      .ioctl = me4000_ai_ioctl_ext,
-      .open = me4000_open,
-      .release = me4000_release,
-};
-
-static const struct file_operations me4000_ai_fops_cont_et_value = {
-      .owner = THIS_MODULE,
-      .read = me4000_ai_read,
-      .poll = me4000_ai_poll,
-      .ioctl = me4000_ai_ioctl_ext,
-      .open = me4000_open,
-      .release = me4000_release,
-};
-
-static const struct file_operations me4000_ai_fops_cont_et_chanlist = {
-      .owner = THIS_MODULE,
-      .read = me4000_ai_read,
-      .poll = me4000_ai_poll,
-      .ioctl = me4000_ai_ioctl_ext,
-      .open = me4000_open,
-      .release = me4000_release,
-};
-
-static const struct file_operations me4000_dio_fops = {
-      .owner = THIS_MODULE,
-      .ioctl = me4000_dio_ioctl,
-      .open = me4000_open,
-      .release = me4000_release,
-};
-
-static const struct file_operations me4000_cnt_fops = {
-      .owner = THIS_MODULE,
-      .ioctl = me4000_cnt_ioctl,
-      .open = me4000_open,
-      .release = me4000_release,
-};
-
-static const struct file_operations me4000_ext_int_fops = {
-      .owner = THIS_MODULE,
-      .ioctl = me4000_ext_int_ioctl,
-      .open = me4000_open,
-      .release = me4000_release,
-      .fasync = me4000_ext_int_fasync,
-};
-
-static const struct file_operations *me4000_ao_fops_array[] = {
-	/* single operations */
-	&me4000_ao_fops_sing,
-	/* wraparound operations */
-	&me4000_ao_fops_wrap,
-	/* continuous operations */
-	&me4000_ao_fops_cont,
-};
-
-static const struct file_operations *me4000_ai_fops_array[] = {
-	/* single operations */
-	&me4000_ai_fops_sing,
-	/* continuous operations with software start */
-	&me4000_ai_fops_cont_sw,
-	/* continuous operations with external trigger */
-	&me4000_ai_fops_cont_et,
-	/* sample values by external trigger */
-	&me4000_ai_fops_cont_et_value,
-	/* work through one channel list by external trigger */
-	&me4000_ai_fops_cont_et_chanlist,
-};
-
-static int __init me4000_init_module(void)
-{
-	int result;
-
-	CALL_PDEBUG("init_module() is executed\n");
-
-	/* Register driver capabilities */
-	result = pci_register_driver(&me4000_driver);
-	PDEBUG("init_module():%d devices detected\n", result);
-	if (result < 0) {
-		printk(KERN_ERR "ME4000:init_module():Can't register driver\n");
-		goto INIT_ERROR_1;
-	}
-
-	/* Allocate major number for analog output */
-	result =
-	    register_chrdev(me4000_ao_major_driver_no, ME4000_AO_NAME,
-			    &me4000_ao_fops_sing);
-	if (result < 0) {
-		printk(KERN_ERR "ME4000:init_module():Can't get AO major no\n");
-		goto INIT_ERROR_2;
-	} else {
-		me4000_ao_major_driver_no = result;
-	}
-	PDEBUG("init_module():Major driver number for AO = %ld\n",
-	       me4000_ao_major_driver_no);
-
-	/* Allocate major number for analog input  */
-	result =
-	    register_chrdev(me4000_ai_major_driver_no, ME4000_AI_NAME,
-			    &me4000_ai_fops_sing);
-	if (result < 0) {
-		printk(KERN_ERR "ME4000:init_module():Can't get AI major no\n");
-		goto INIT_ERROR_3;
-	} else {
-		me4000_ai_major_driver_no = result;
-	}
-	PDEBUG("init_module():Major driver number for AI = %ld\n",
-	       me4000_ai_major_driver_no);
-
-	/* Allocate major number for digital I/O */
-	result =
-	    register_chrdev(me4000_dio_major_driver_no, ME4000_DIO_NAME,
-			    &me4000_dio_fops);
-	if (result < 0) {
-		printk(KERN_ERR
-		       "ME4000:init_module():Can't get DIO major no\n");
-		goto INIT_ERROR_4;
-	} else {
-		me4000_dio_major_driver_no = result;
-	}
-	PDEBUG("init_module():Major driver number for DIO = %ld\n",
-	       me4000_dio_major_driver_no);
-
-	/* Allocate major number for counter */
-	result =
-	    register_chrdev(me4000_cnt_major_driver_no, ME4000_CNT_NAME,
-			    &me4000_cnt_fops);
-	if (result < 0) {
-		printk(KERN_ERR
-		       "ME4000:init_module():Can't get CNT major no\n");
-		goto INIT_ERROR_5;
-	} else {
-		me4000_cnt_major_driver_no = result;
-	}
-	PDEBUG("init_module():Major driver number for CNT = %ld\n",
-	       me4000_cnt_major_driver_no);
-
-	/* Allocate major number for external interrupt */
-	result =
-	    register_chrdev(me4000_ext_int_major_driver_no, ME4000_EXT_INT_NAME,
-			    &me4000_ext_int_fops);
-	if (result < 0) {
-		printk(KERN_ERR
-		       "ME4000:init_module():Can't get major no for external interrupt\n");
-		goto INIT_ERROR_6;
-	} else {
-		me4000_ext_int_major_driver_no = result;
-	}
-	PDEBUG
-	    ("init_module():Major driver number for external interrupt = %ld\n",
-	     me4000_ext_int_major_driver_no);
-
-	/* Create the /proc/me4000 entry */
-	if (!create_proc_read_entry
-	    ("me4000", 0, NULL, me4000_read_procmem, NULL)) {
-		result = -ENODEV;
-		printk(KERN_ERR
-		       "ME4000:init_module():Can't create proc entry\n");
-		goto INIT_ERROR_7;
-	}
-
-	return 0;
-
-INIT_ERROR_7:
-	unregister_chrdev(me4000_ext_int_major_driver_no, ME4000_EXT_INT_NAME);
-
-INIT_ERROR_6:
-	unregister_chrdev(me4000_cnt_major_driver_no, ME4000_CNT_NAME);
-
-INIT_ERROR_5:
-	unregister_chrdev(me4000_dio_major_driver_no, ME4000_DIO_NAME);
-
-INIT_ERROR_4:
-	unregister_chrdev(me4000_ai_major_driver_no, ME4000_AI_NAME);
-
-INIT_ERROR_3:
-	unregister_chrdev(me4000_ao_major_driver_no, ME4000_AO_NAME);
-
-INIT_ERROR_2:
-	pci_unregister_driver(&me4000_driver);
-	clear_board_info_list();
-
-INIT_ERROR_1:
-	return result;
-}
-
-module_init(me4000_init_module);
-
-static void clear_board_info_list(void)
-{
-	struct me4000_info *board_info, *board_info_safe;
-	struct me4000_ao_context *ao_context, *ao_context_safe;
-
-	/* Clear context lists */
-	list_for_each_entry(board_info, &me4000_board_info_list, list) {
-		/* Clear analog output context list */
-		list_for_each_entry_safe(ao_context, ao_context_safe,
-				&board_info->ao_context_list, list) {
-			me4000_ao_reset(ao_context);
-			free_irq(ao_context->irq, ao_context);
-			kfree(ao_context->circ_buf.buf);
-			list_del(&ao_context->list);
-			kfree(ao_context);
-		}
-
-		/* Clear analog input context */
-		kfree(board_info->ai_context->circ_buf.buf);
-		kfree(board_info->ai_context);
-
-		/* Clear digital I/O context */
-		kfree(board_info->dio_context);
-
-		/* Clear counter context */
-		kfree(board_info->cnt_context);
-
-		/* Clear external interrupt context */
-		kfree(board_info->ext_int_context);
-	}
-
-	/* Clear the board info list */
-	list_for_each_entry_safe(board_info, board_info_safe,
-			&me4000_board_info_list, list) {
-		pci_release_regions(board_info->pci_dev_p);
-		list_del(&board_info->list);
-		kfree(board_info);
-	}
-}
-
-static int get_registers(struct pci_dev *dev, struct me4000_info *board_info)
-{
-
-	/*--------------------------- plx regbase ---------------------------------*/
-
-	board_info->plx_regbase = pci_resource_start(dev, 1);
-	if (board_info->plx_regbase == 0) {
-		printk(KERN_ERR
-		       "ME4000:get_registers():PCI base address 1 is not available\n");
-		return -ENODEV;
-	}
-	board_info->plx_regbase_size = pci_resource_len(dev, 1);
-
-	PDEBUG
-	    ("get_registers():PLX configuration registers at address 0x%4lX [0x%4lX]\n",
-	     board_info->plx_regbase, board_info->plx_regbase_size);
-
-	/*--------------------------- me4000 regbase ------------------------------*/
-
-	board_info->me4000_regbase = pci_resource_start(dev, 2);
-	if (board_info->me4000_regbase == 0) {
-		printk(KERN_ERR
-		       "ME4000:get_registers():PCI base address 2 is not available\n");
-		return -ENODEV;
-	}
-	board_info->me4000_regbase_size = pci_resource_len(dev, 2);
-
-	PDEBUG("get_registers():ME4000 registers at address 0x%4lX [0x%4lX]\n",
-	       board_info->me4000_regbase, board_info->me4000_regbase_size);
-
-	/*--------------------------- timer regbase ------------------------------*/
-
-	board_info->timer_regbase = pci_resource_start(dev, 3);
-	if (board_info->timer_regbase == 0) {
-		printk(KERN_ERR
-		       "ME4000:get_registers():PCI base address 3 is not available\n");
-		return -ENODEV;
-	}
-	board_info->timer_regbase_size = pci_resource_len(dev, 3);
-
-	PDEBUG("get_registers():Timer registers at address 0x%4lX [0x%4lX]\n",
-	       board_info->timer_regbase, board_info->timer_regbase_size);
-
-	/*--------------------------- program regbase ------------------------------*/
-
-	board_info->program_regbase = pci_resource_start(dev, 5);
-	if (board_info->program_regbase == 0) {
-		printk(KERN_ERR
-		       "get_registers():ME4000:PCI base address 5 is not available\n");
-		return -ENODEV;
-	}
-	board_info->program_regbase_size = pci_resource_len(dev, 5);
-
-	PDEBUG("get_registers():Program registers at address 0x%4lX [0x%4lX]\n",
-	       board_info->program_regbase, board_info->program_regbase_size);
-
-	return 0;
-}
-
-static int init_board_info(struct pci_dev *pci_dev_p,
-			   struct me4000_info *board_info)
-{
-	int i;
-	int result;
-	struct list_head *board_p;
-	board_info->pci_dev_p = pci_dev_p;
-
-	for (i = 0; i < ARRAY_SIZE(me4000_boards); i++) {
-		if (me4000_boards[i].device_id == pci_dev_p->device) {
-			board_info->board_p = &me4000_boards[i];
-			break;
-		}
-	}
-	if (i == ARRAY_SIZE(me4000_boards)) {
-		printk(KERN_ERR
-		       "ME4000:init_board_info():Device ID not valid\n");
-		return -ENODEV;
-	}
-
-	/* Get the index of the board in the global list */
-	i = 0;
-	list_for_each(board_p, &me4000_board_info_list) {
-		if (board_p == &board_info->list) {
-			board_info->board_count = i;
-			break;
-		}
-		i++;
-	}
-	if (board_p == &me4000_board_info_list) {
-		printk(KERN_ERR
-		       "ME4000:init_board_info():Cannot get index of board\n");
-		return -ENODEV;
-	}
-
-	/* Init list head for analog output contexts */
-	INIT_LIST_HEAD(&board_info->ao_context_list);
-
-	/* Init spin locks */
-	spin_lock_init(&board_info->preload_lock);
-	spin_lock_init(&board_info->ai_ctrl_lock);
-
-	/* Get the serial number */
-	result = pci_read_config_dword(pci_dev_p, 0x2C, &board_info->serial_no);
-	if (result != PCIBIOS_SUCCESSFUL) {
-		printk(KERN_WARNING
-		       "ME4000:init_board_info: Can't get serial_no\n");
-		return result;
-	}
-	PDEBUG("init_board_info():serial_no = 0x%x\n", board_info->serial_no);
-
-	/* Get the hardware revision */
-	result =
-	    pci_read_config_byte(pci_dev_p, 0x08, &board_info->hw_revision);
-	if (result != PCIBIOS_SUCCESSFUL) {
-		printk(KERN_WARNING
-		       "ME4000:init_board_info():Can't get hw_revision\n");
-		return result;
-	}
-	PDEBUG("init_board_info():hw_revision = 0x%x\n",
-	       board_info->hw_revision);
-
-	/* Get the vendor id */
-	board_info->vendor_id = pci_dev_p->vendor;
-	PDEBUG("init_board_info():vendor_id = 0x%x\n", board_info->vendor_id);
-
-	/* Get the device id */
-	board_info->device_id = pci_dev_p->device;
-	PDEBUG("init_board_info():device_id = 0x%x\n", board_info->device_id);
-
-	/* Get the pci device number */
-	board_info->pci_dev_no = PCI_FUNC(pci_dev_p->devfn);
-	PDEBUG("init_board_info():pci_func_no = 0x%x\n",
-	       board_info->pci_func_no);
-
-	/* Get the pci slot number */
-	board_info->pci_dev_no = PCI_SLOT(pci_dev_p->devfn);
-	PDEBUG("init_board_info():pci_dev_no = 0x%x\n", board_info->pci_dev_no);
-
-	/* Get the pci bus number */
-	board_info->pci_bus_no = pci_dev_p->bus->number;
-	PDEBUG("init_board_info():pci_bus_no = 0x%x\n", board_info->pci_bus_no);
-
-	/* Get the irq assigned to the board */
-	board_info->irq = pci_dev_p->irq;
-	PDEBUG("init_board_info():irq = %d\n", board_info->irq);
-
-	return 0;
-}
-
-static int alloc_ao_contexts(struct me4000_info *info)
-{
-	int i;
-	int err;
-	struct me4000_ao_context *ao_context;
-
-	for (i = 0; i < info->board_p->ao.count; i++) {
-		ao_context = kzalloc(sizeof(struct me4000_ao_context),
-								GFP_KERNEL);
-		if (!ao_context) {
-			printk(KERN_ERR
-			       "alloc_ao_contexts():Can't get memory for ao context\n");
-			release_ao_contexts(info);
-			return -ENOMEM;
-		}
-
-		spin_lock_init(&ao_context->use_lock);
-		spin_lock_init(&ao_context->int_lock);
-		ao_context->irq = info->irq;
-		init_waitqueue_head(&ao_context->wait_queue);
-		ao_context->board_info = info;
-
-		if (info->board_p->ao.fifo_count) {
-			/* Allocate circular buffer */
-			ao_context->circ_buf.buf =
-			    kzalloc(ME4000_AO_BUFFER_SIZE, GFP_KERNEL);
-			if (!ao_context->circ_buf.buf) {
-				printk(KERN_ERR
-				       "alloc_ao_contexts():Can't get circular buffer\n");
-				release_ao_contexts(info);
-				return -ENOMEM;
-			}
-
-			/* Clear the circular buffer */
-			ao_context->circ_buf.head = 0;
-			ao_context->circ_buf.tail = 0;
-		}
-
-		switch (i) {
-		case 0:
-			ao_context->ctrl_reg =
-			    info->me4000_regbase + ME4000_AO_00_CTRL_REG;
-			ao_context->status_reg =
-			    info->me4000_regbase + ME4000_AO_00_STATUS_REG;
-			ao_context->fifo_reg =
-			    info->me4000_regbase + ME4000_AO_00_FIFO_REG;
-			ao_context->single_reg =
-			    info->me4000_regbase + ME4000_AO_00_SINGLE_REG;
-			ao_context->timer_reg =
-			    info->me4000_regbase + ME4000_AO_00_TIMER_REG;
-			ao_context->irq_status_reg =
-			    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
-			ao_context->preload_reg =
-			    info->me4000_regbase + ME4000_AO_LOADSETREG_XX;
-			break;
-		case 1:
-			ao_context->ctrl_reg =
-			    info->me4000_regbase + ME4000_AO_01_CTRL_REG;
-			ao_context->status_reg =
-			    info->me4000_regbase + ME4000_AO_01_STATUS_REG;
-			ao_context->fifo_reg =
-			    info->me4000_regbase + ME4000_AO_01_FIFO_REG;
-			ao_context->single_reg =
-			    info->me4000_regbase + ME4000_AO_01_SINGLE_REG;
-			ao_context->timer_reg =
-			    info->me4000_regbase + ME4000_AO_01_TIMER_REG;
-			ao_context->irq_status_reg =
-			    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
-			ao_context->preload_reg =
-			    info->me4000_regbase + ME4000_AO_LOADSETREG_XX;
-			break;
-		case 2:
-			ao_context->ctrl_reg =
-			    info->me4000_regbase + ME4000_AO_02_CTRL_REG;
-			ao_context->status_reg =
-			    info->me4000_regbase + ME4000_AO_02_STATUS_REG;
-			ao_context->fifo_reg =
-			    info->me4000_regbase + ME4000_AO_02_FIFO_REG;
-			ao_context->single_reg =
-			    info->me4000_regbase + ME4000_AO_02_SINGLE_REG;
-			ao_context->timer_reg =
-			    info->me4000_regbase + ME4000_AO_02_TIMER_REG;
-			ao_context->irq_status_reg =
-			    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
-			ao_context->preload_reg =
-			    info->me4000_regbase + ME4000_AO_LOADSETREG_XX;
-			break;
-		case 3:
-			ao_context->ctrl_reg =
-			    info->me4000_regbase + ME4000_AO_03_CTRL_REG;
-			ao_context->status_reg =
-			    info->me4000_regbase + ME4000_AO_03_STATUS_REG;
-			ao_context->fifo_reg =
-			    info->me4000_regbase + ME4000_AO_03_FIFO_REG;
-			ao_context->single_reg =
-			    info->me4000_regbase + ME4000_AO_03_SINGLE_REG;
-			ao_context->timer_reg =
-			    info->me4000_regbase + ME4000_AO_03_TIMER_REG;
-			ao_context->irq_status_reg =
-			    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
-			ao_context->preload_reg =
-			    info->me4000_regbase + ME4000_AO_LOADSETREG_XX;
-			break;
-		default:
-			break;
-		}
-
-		if (info->board_p->ao.fifo_count) {
-			/* Request the interrupt line */
-			err =
-			    request_irq(ao_context->irq, me4000_ao_isr,
-					IRQF_DISABLED | IRQF_SHARED,
-					ME4000_NAME, ao_context);
-			if (err) {
-				printk(KERN_ERR
-				       "%s:Can't get interrupt line", __func__);
-				kfree(ao_context->circ_buf.buf);
-				kfree(ao_context);
-				release_ao_contexts(info);
-				return -ENODEV;
-			}
-		}
-
-		list_add_tail(&ao_context->list, &info->ao_context_list);
-		ao_context->index = i;
-	}
-
-	return 0;
-}
-
-static void release_ao_contexts(struct me4000_info *board_info)
-{
-	struct me4000_ao_context *ao_context, *ao_context_safe;
-
-	/* Clear analog output context list */
-	list_for_each_entry_safe(ao_context, ao_context_safe,
-			&board_info->ao_context_list, list) {
-		free_irq(ao_context->irq, ao_context);
-		kfree(ao_context->circ_buf.buf);
-		list_del(&ao_context->list);
-		kfree(ao_context);
-	}
-}
-
-static int alloc_ai_context(struct me4000_info *info)
-{
-	struct me4000_ai_context *ai_context;
-
-	if (info->board_p->ai.count) {
-		ai_context = kzalloc(sizeof(struct me4000_ai_context),
-								GFP_KERNEL);
-		if (!ai_context) {
-			printk(KERN_ERR
-			       "ME4000:alloc_ai_context():Can't get memory for ai context\n");
-			return -ENOMEM;
-		}
-
-		info->ai_context = ai_context;
-
-		spin_lock_init(&ai_context->use_lock);
-		spin_lock_init(&ai_context->int_lock);
-		ai_context->number = 0;
-		ai_context->irq = info->irq;
-		init_waitqueue_head(&ai_context->wait_queue);
-		ai_context->board_info = info;
-
-		ai_context->ctrl_reg =
-		    info->me4000_regbase + ME4000_AI_CTRL_REG;
-		ai_context->status_reg =
-		    info->me4000_regbase + ME4000_AI_STATUS_REG;
-		ai_context->channel_list_reg =
-		    info->me4000_regbase + ME4000_AI_CHANNEL_LIST_REG;
-		ai_context->data_reg =
-		    info->me4000_regbase + ME4000_AI_DATA_REG;
-		ai_context->chan_timer_reg =
-		    info->me4000_regbase + ME4000_AI_CHAN_TIMER_REG;
-		ai_context->chan_pre_timer_reg =
-		    info->me4000_regbase + ME4000_AI_CHAN_PRE_TIMER_REG;
-		ai_context->scan_timer_low_reg =
-		    info->me4000_regbase + ME4000_AI_SCAN_TIMER_LOW_REG;
-		ai_context->scan_timer_high_reg =
-		    info->me4000_regbase + ME4000_AI_SCAN_TIMER_HIGH_REG;
-		ai_context->scan_pre_timer_low_reg =
-		    info->me4000_regbase + ME4000_AI_SCAN_PRE_TIMER_LOW_REG;
-		ai_context->scan_pre_timer_high_reg =
-		    info->me4000_regbase + ME4000_AI_SCAN_PRE_TIMER_HIGH_REG;
-		ai_context->start_reg =
-		    info->me4000_regbase + ME4000_AI_START_REG;
-		ai_context->irq_status_reg =
-		    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
-		ai_context->sample_counter_reg =
-		    info->me4000_regbase + ME4000_AI_SAMPLE_COUNTER_REG;
-	}
-
-	return 0;
-}
-
-static int alloc_dio_context(struct me4000_info *info)
-{
-	struct me4000_dio_context *dio_context;
-
-	if (info->board_p->dio.count) {
-		dio_context = kzalloc(sizeof(struct me4000_dio_context),
-								GFP_KERNEL);
-		if (!dio_context) {
-			printk(KERN_ERR
-			       "ME4000:alloc_dio_context():Can't get memory for dio context\n");
-			return -ENOMEM;
-		}
-
-		info->dio_context = dio_context;
-
-		spin_lock_init(&dio_context->use_lock);
-		dio_context->board_info = info;
-
-		dio_context->dio_count = info->board_p->dio.count;
-
-		dio_context->dir_reg =
-		    info->me4000_regbase + ME4000_DIO_DIR_REG;
-		dio_context->ctrl_reg =
-		    info->me4000_regbase + ME4000_DIO_CTRL_REG;
-		dio_context->port_0_reg =
-		    info->me4000_regbase + ME4000_DIO_PORT_0_REG;
-		dio_context->port_1_reg =
-		    info->me4000_regbase + ME4000_DIO_PORT_1_REG;
-		dio_context->port_2_reg =
-		    info->me4000_regbase + ME4000_DIO_PORT_2_REG;
-		dio_context->port_3_reg =
-		    info->me4000_regbase + ME4000_DIO_PORT_3_REG;
-	}
-
-	return 0;
-}
-
-static int alloc_cnt_context(struct me4000_info *info)
-{
-	struct me4000_cnt_context *cnt_context;
-
-	if (info->board_p->cnt.count) {
-		cnt_context = kzalloc(sizeof(struct me4000_cnt_context),
-								GFP_KERNEL);
-		if (!cnt_context) {
-			printk(KERN_ERR
-			       "ME4000:alloc_cnt_context():Can't get memory for cnt context\n");
-			return -ENOMEM;
-		}
-
-		info->cnt_context = cnt_context;
-
-		spin_lock_init(&cnt_context->use_lock);
-		cnt_context->board_info = info;
-
-		cnt_context->ctrl_reg =
-		    info->timer_regbase + ME4000_CNT_CTRL_REG;
-		cnt_context->counter_0_reg =
-		    info->timer_regbase + ME4000_CNT_COUNTER_0_REG;
-		cnt_context->counter_1_reg =
-		    info->timer_regbase + ME4000_CNT_COUNTER_1_REG;
-		cnt_context->counter_2_reg =
-		    info->timer_regbase + ME4000_CNT_COUNTER_2_REG;
-	}
-
-	return 0;
-}
-
-static int alloc_ext_int_context(struct me4000_info *info)
-{
-	struct me4000_ext_int_context *ext_int_context;
-
-	if (info->board_p->cnt.count) {
-		ext_int_context =
-		    kzalloc(sizeof(struct me4000_ext_int_context), GFP_KERNEL);
-		if (!ext_int_context) {
-			printk(KERN_ERR
-			       "ME4000:alloc_ext_int_context():Can't get memory for cnt context\n");
-			return -ENOMEM;
-		}
-
-		info->ext_int_context = ext_int_context;
-
-		spin_lock_init(&ext_int_context->use_lock);
-		ext_int_context->board_info = info;
-
-		ext_int_context->fasync_ptr = NULL;
-		ext_int_context->irq = info->irq;
-
-		ext_int_context->ctrl_reg =
-		    info->me4000_regbase + ME4000_AI_CTRL_REG;
-		ext_int_context->irq_status_reg =
-		    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
-	}
-
-	return 0;
-}
-
-static int me4000_probe(struct pci_dev *dev, const struct pci_device_id *id)
-{
-	int result = 0;
-	struct me4000_info *board_info;
-
-	CALL_PDEBUG("me4000_probe() is executed\n");
-
-	/* Allocate structure for board context */
-	board_info = kzalloc(sizeof(struct me4000_info), GFP_KERNEL);
-	if (!board_info) {
-		printk(KERN_ERR
-		       "ME4000:Can't get memory for board info structure\n");
-		result = -ENOMEM;
-		goto PROBE_ERROR_1;
-	}
-
-	/* Add to global linked list */
-	list_add_tail(&board_info->list, &me4000_board_info_list);
-
-	/* Get the PCI base registers */
-	result = get_registers(dev, board_info);
-	if (result) {
-		printk(KERN_ERR "%s:Cannot get registers\n", __func__);
-		goto PROBE_ERROR_2;
-	}
-
-	/* Enable the device */
-	result = pci_enable_device(dev);
-	if (result < 0) {
-		printk(KERN_ERR "%s:Cannot enable PCI device\n", __func__);
-		goto PROBE_ERROR_2;
-	}
-
-	/* Request the PCI register regions */
-	result = pci_request_regions(dev, ME4000_NAME);
-	if (result < 0) {
-		printk(KERN_ERR "%s:Cannot request I/O regions\n", __func__);
-		goto PROBE_ERROR_2;
-	}
-
-	/* Initialize board info */
-	result = init_board_info(dev, board_info);
-	if (result) {
-		printk(KERN_ERR "%s:Cannot init baord info\n", __func__);
-		goto PROBE_ERROR_3;
-	}
-
-	/* Download the xilinx firmware */
-	result = me4000_xilinx_download(board_info);
-	if (result) {
-		printk(KERN_ERR "%s:Can't download firmware\n", __func__);
-		goto PROBE_ERROR_3;
-	}
-
-	/* Make a hardware reset */
-	result = me4000_reset_board(board_info);
-	if (result) {
-		printk(KERN_ERR "%s :Can't reset board\n", __func__);
-		goto PROBE_ERROR_3;
-	}
-
-	/* Allocate analog output context structures */
-	result = alloc_ao_contexts(board_info);
-	if (result) {
-		printk(KERN_ERR "%s:Cannot allocate ao contexts\n", __func__);
-		goto PROBE_ERROR_3;
-	}
-
-	/* Allocate analog input context */
-	result = alloc_ai_context(board_info);
-	if (result) {
-		printk(KERN_ERR "%s:Cannot allocate ai context\n", __func__);
-		goto PROBE_ERROR_4;
-	}
-
-	/* Allocate digital I/O context */
-	result = alloc_dio_context(board_info);
-	if (result) {
-		printk(KERN_ERR "%s:Cannot allocate dio context\n", __func__);
-		goto PROBE_ERROR_5;
-	}
-
-	/* Allocate counter context */
-	result = alloc_cnt_context(board_info);
-	if (result) {
-		printk(KERN_ERR "%s:Cannot allocate cnt context\n", __func__);
-		goto PROBE_ERROR_6;
-	}
-
-	/* Allocate external interrupt context */
-	result = alloc_ext_int_context(board_info);
-	if (result) {
-		printk(KERN_ERR
-		       "%s:Cannot allocate ext_int context\n", __func__);
-		goto PROBE_ERROR_7;
-	}
-
-	return 0;
-
-PROBE_ERROR_7:
-	kfree(board_info->cnt_context);
-
-PROBE_ERROR_6:
-	kfree(board_info->dio_context);
-
-PROBE_ERROR_5:
-	kfree(board_info->ai_context);
-
-PROBE_ERROR_4:
-	release_ao_contexts(board_info);
-
-PROBE_ERROR_3:
-	pci_release_regions(dev);
-
-PROBE_ERROR_2:
-	list_del(&board_info->list);
-	kfree(board_info);
-
-PROBE_ERROR_1:
-	return result;
-}
-
-static int me4000_xilinx_download(struct me4000_info *info)
-{
-	int size = 0;
-	u32 value = 0;
-	int idx = 0;
-	unsigned char *firm;
-	wait_queue_head_t queue;
-
-	CALL_PDEBUG("me4000_xilinx_download() is executed\n");
-
-	init_waitqueue_head(&queue);
-
-	firm = (info->device_id == 0x4610) ? xilinx_firm_4610 : xilinx_firm;
-
-	/*
-	 * Set PLX local interrupt 2 polarity to high.
-	 * Interrupt is thrown by init pin of xilinx.
-	 */
-	outl(0x10, info->plx_regbase + PLX_INTCSR);
-
-	/* Set /CS and /WRITE of the Xilinx */
-	value = inl(info->plx_regbase + PLX_ICR);
-	value |= 0x100;
-	outl(value, info->plx_regbase + PLX_ICR);
-
-	/* Init Xilinx with CS1 */
-	inb(info->program_regbase + 0xC8);
-
-	/* Wait until /INIT pin is set */
-	udelay(20);
-	if (!(inl(info->plx_regbase + PLX_INTCSR) & 0x20)) {
-		printk(KERN_ERR "%s:Can't init Xilinx\n", __func__);
-		return -EIO;
-	}
-
-	/* Reset /CS and /WRITE of the Xilinx */
-	value = inl(info->plx_regbase + PLX_ICR);
-	value &= ~0x100;
-	outl(value, info->plx_regbase + PLX_ICR);
-
-	/* Download Xilinx firmware */
-	size = (firm[0] << 24) + (firm[1] << 16) + (firm[2] << 8) + firm[3];
-	udelay(10);
-
-	for (idx = 0; idx < size; idx++) {
-		outb(firm[16 + idx], info->program_regbase);
-
-		udelay(10);
-
-		/* Check if BUSY flag is low */
-		if (inl(info->plx_regbase + PLX_ICR) & 0x20) {
-			printk(KERN_ERR
-			       "%s:Xilinx is still busy (idx = %d)\n", __func__,
-			       idx);
-			return -EIO;
-		}
-	}
-
-	PDEBUG("me4000_xilinx_download():%d bytes written\n", idx);
-
-	/* If done flag is high download was successful */
-	if (inl(info->plx_regbase + PLX_ICR) & 0x4) {
-		PDEBUG("me4000_xilinx_download():Done flag is set\n");
-		PDEBUG("me4000_xilinx_download():Download was successful\n");
-	} else {
-		printk(KERN_ERR
-		       "ME4000:%s:DONE flag is not set\n", __func__);
-		printk(KERN_ERR
-		       "ME4000:%s:Download not succesful\n", __func__);
-		return -EIO;
-	}
-
-	/* Set /CS and /WRITE */
-	value = inl(info->plx_regbase + PLX_ICR);
-	value |= 0x100;
-	outl(value, info->plx_regbase + PLX_ICR);
-
-	return 0;
-}
-
-static int me4000_reset_board(struct me4000_info *info)
-{
-	unsigned long icr;
-
-	CALL_PDEBUG("me4000_reset_board() is executed\n");
-
-	/* Make a hardware reset */
-	icr = me4000_inl(info->plx_regbase + PLX_ICR);
-	icr |= 0x40000000;
-	me4000_outl(icr, info->plx_regbase + PLX_ICR);
-	icr &= ~0x40000000;
-	me4000_outl(icr, info->plx_regbase + PLX_ICR);
-
-	/* Set both stop bits in the analog input control register */
-	me4000_outl(ME4000_AI_CTRL_BIT_IMMEDIATE_STOP | ME4000_AI_CTRL_BIT_STOP,
-		    info->me4000_regbase + ME4000_AI_CTRL_REG);
-
-	/* Set both stop bits in the analog output control register */
-	me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP,
-		    info->me4000_regbase + ME4000_AO_00_CTRL_REG);
-	me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP,
-		    info->me4000_regbase + ME4000_AO_01_CTRL_REG);
-	me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP,
-		    info->me4000_regbase + ME4000_AO_02_CTRL_REG);
-	me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP,
-		    info->me4000_regbase + ME4000_AO_03_CTRL_REG);
-
-	/* 0x8000 to the DACs means an output voltage of 0V */
-	me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_00_SINGLE_REG);
-	me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_01_SINGLE_REG);
-	me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_02_SINGLE_REG);
-	me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_03_SINGLE_REG);
-
-	/* Enable interrupts on the PLX */
-	me4000_outl(0x43, info->plx_regbase + PLX_INTCSR);
-
-	/* Set the adustment register for AO demux */
-	me4000_outl(ME4000_AO_DEMUX_ADJUST_VALUE,
-		    info->me4000_regbase + ME4000_AO_DEMUX_ADJUST_REG);
-
-	/* Set digital I/O direction for port 0 to output on isolated versions */
-	if (!(me4000_inl(info->me4000_regbase + ME4000_DIO_DIR_REG) & 0x1))
-		me4000_outl(0x1, info->me4000_regbase + ME4000_DIO_CTRL_REG);
-
-	return 0;
-}
-
-static int me4000_open(struct inode *inode_p, struct file *file_p)
-{
-	int board, dev, mode;
-	int err = 0;
-	int i;
-	struct list_head *ptr;
-	struct me4000_info *board_info = NULL;
-	struct me4000_ao_context *ao_context = NULL;
-	struct me4000_ai_context *ai_context = NULL;
-	struct me4000_dio_context *dio_context = NULL;
-	struct me4000_cnt_context *cnt_context = NULL;
-	struct me4000_ext_int_context *ext_int_context = NULL;
-
-	CALL_PDEBUG("me4000_open() is executed\n");
-
-	/* Analog output */
-	if (MAJOR(inode_p->i_rdev) == me4000_ao_major_driver_no) {
-		board = AO_BOARD(inode_p->i_rdev);
-		dev = AO_PORT(inode_p->i_rdev);
-		mode = AO_MODE(inode_p->i_rdev);
-
-		PDEBUG("me4000_open():board = %d ao = %d mode = %d\n", board,
-		       dev, mode);
-
-		/* Search for the board context */
-		i = 0;
-		list_for_each(ptr, &me4000_board_info_list) {
-			if (i == board)
-				break;
-			i++;
-		}
-		board_info = list_entry(ptr, struct me4000_info, list);
-
-		if (ptr == &me4000_board_info_list) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():Board %d not in device list\n",
-			       board);
-			return -ENODEV;
-		}
-
-		/* Search for the dac context */
-		i = 0;
-		list_for_each(ptr, &board_info->ao_context_list) {
-			if (i == dev)
-				break;
-			i++;
-		}
-		ao_context = list_entry(ptr, struct me4000_ao_context, list);
-
-		if (ptr == &board_info->ao_context_list) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():Device %d not in device list\n",
-			       dev);
-			return -ENODEV;
-		}
-
-		/* Check if mode is valid */
-		if (mode > 2) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():Mode is not valid\n");
-			return -ENODEV;
-		}
-
-		/* Check if mode is valid for this AO */
-		if ((mode != ME4000_AO_CONV_MODE_SINGLE)
-		    && (dev >= board_info->board_p->ao.fifo_count)) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():AO %d only in single mode available\n",
-			       dev);
-			return -ENODEV;
-		}
-
-		/* Check if already opened */
-		spin_lock(&ao_context->use_lock);
-		if (ao_context->dac_in_use) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():AO %d already in use\n",
-			       dev);
-			spin_unlock(&ao_context->use_lock);
-			return -EBUSY;
-		}
-		ao_context->dac_in_use = 1;
-		spin_unlock(&ao_context->use_lock);
-
-		ao_context->mode = mode;
-
-		/* Hold the context in private data */
-		file_p->private_data = ao_context;
-
-		/* Set file operations pointer */
-		file_p->f_op = me4000_ao_fops_array[mode];
-
-		err = me4000_ao_prepare(ao_context);
-		if (err) {
-			ao_context->dac_in_use = 0;
-			return 1;
-		}
-	}
-	/* Analog input */
-	else if (MAJOR(inode_p->i_rdev) == me4000_ai_major_driver_no) {
-		board = AI_BOARD(inode_p->i_rdev);
-		mode = AI_MODE(inode_p->i_rdev);
-
-		PDEBUG("me4000_open():ai board = %d mode = %d\n", board, mode);
-
-		/* Search for the board context */
-		i = 0;
-		list_for_each(ptr, &me4000_board_info_list) {
-			if (i == board)
-				break;
-			i++;
-		}
-		board_info = list_entry(ptr, struct me4000_info, list);
-
-		if (ptr == &me4000_board_info_list) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():Board %d not in device list\n",
-			       board);
-			return -ENODEV;
-		}
-
-		ai_context = board_info->ai_context;
-
-		/* Check if mode is valid */
-		if (mode > 5) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():Mode is not valid\n");
-			return -EINVAL;
-		}
-
-		/* Check if already opened */
-		spin_lock(&ai_context->use_lock);
-		if (ai_context->in_use) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():AI already in use\n");
-			spin_unlock(&ai_context->use_lock);
-			return -EBUSY;
-		}
-		ai_context->in_use = 1;
-		spin_unlock(&ai_context->use_lock);
-
-		ai_context->mode = mode;
-
-		/* Hold the context in private data */
-		file_p->private_data = ai_context;
-
-		/* Set file operations pointer */
-		file_p->f_op = me4000_ai_fops_array[mode];
-
-		/* Prepare analog input */
-		me4000_ai_prepare(ai_context);
-	}
-	/* Digital I/O */
-	else if (MAJOR(inode_p->i_rdev) == me4000_dio_major_driver_no) {
-		board = DIO_BOARD(inode_p->i_rdev);
-		dev = 0;
-		mode = 0;
-
-		PDEBUG("me4000_open():board = %d\n", board);
-
-		/* Search for the board context */
-		list_for_each_entry(board_info, &me4000_board_info_list, list) {
-			if (board_info->board_count == board)
-				break;
-		}
-
-		if (&board_info->list == &me4000_board_info_list) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():Board %d not in device list\n",
-			       board);
-			return -ENODEV;
-		}
-
-		/* Search for the dio context */
-		dio_context = board_info->dio_context;
-
-		/* Check if already opened */
-		spin_lock(&dio_context->use_lock);
-		if (dio_context->in_use) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():DIO already in use\n");
-			spin_unlock(&dio_context->use_lock);
-			return -EBUSY;
-		}
-		dio_context->in_use = 1;
-		spin_unlock(&dio_context->use_lock);
-
-		/* Hold the context in private data */
-		file_p->private_data = dio_context;
-
-		/* Set file operations pointer to single functions */
-		file_p->f_op = &me4000_dio_fops;
-
-		/* me4000_dio_reset(dio_context); */
-	}
-	/* Counters */
-	else if (MAJOR(inode_p->i_rdev) == me4000_cnt_major_driver_no) {
-		board = CNT_BOARD(inode_p->i_rdev);
-		dev = 0;
-		mode = 0;
-
-		PDEBUG("me4000_open():board = %d\n", board);
-
-		/* Search for the board context */
-		list_for_each_entry(board_info, &me4000_board_info_list, list) {
-			if (board_info->board_count == board)
-				break;
-		}
-
-		if (&board_info->list == &me4000_board_info_list) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():Board %d not in device list\n",
-			       board);
-			return -ENODEV;
-		}
-
-		/* Get the cnt context */
-		cnt_context = board_info->cnt_context;
-
-		/* Check if already opened */
-		spin_lock(&cnt_context->use_lock);
-		if (cnt_context->in_use) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():CNT already in use\n");
-			spin_unlock(&cnt_context->use_lock);
-			return -EBUSY;
-		}
-		cnt_context->in_use = 1;
-		spin_unlock(&cnt_context->use_lock);
-
-		/* Hold the context in private data */
-		file_p->private_data = cnt_context;
-
-		/* Set file operations pointer to single functions */
-		file_p->f_op = &me4000_cnt_fops;
-	}
-	/* External Interrupt */
-	else if (MAJOR(inode_p->i_rdev) == me4000_ext_int_major_driver_no) {
-		board = EXT_INT_BOARD(inode_p->i_rdev);
-		dev = 0;
-		mode = 0;
-
-		PDEBUG("me4000_open():board = %d\n", board);
-
-		/* Search for the board context */
-		list_for_each_entry(board_info, &me4000_board_info_list, list) {
-			if (board_info->board_count == board)
-				break;
-		}
-
-		if (&board_info->list == &me4000_board_info_list) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():Board %d not in device list\n",
-			       board);
-			return -ENODEV;
-		}
-
-		/* Get the external interrupt context */
-		ext_int_context = board_info->ext_int_context;
-
-		/* Check if already opened */
-		spin_lock(&cnt_context->use_lock);
-		if (ext_int_context->in_use) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():External interrupt already in use\n");
-			spin_unlock(&ext_int_context->use_lock);
-			return -EBUSY;
-		}
-		ext_int_context->in_use = 1;
-		spin_unlock(&ext_int_context->use_lock);
-
-		/* Hold the context in private data */
-		file_p->private_data = ext_int_context;
-
-		/* Set file operations pointer to single functions */
-		file_p->f_op = &me4000_ext_int_fops;
-
-		/* Request the interrupt line */
-		err =
-		    request_irq(ext_int_context->irq, me4000_ext_int_isr,
-				IRQF_DISABLED | IRQF_SHARED, ME4000_NAME,
-				ext_int_context);
-		if (err) {
-			printk(KERN_ERR
-			       "ME4000:me4000_open():Can't get interrupt line");
-			ext_int_context->in_use = 0;
-			return -ENODEV;
-		}
-
-		/* Reset the counter */
-		me4000_ext_int_disable(ext_int_context);
-	} else {
-		printk(KERN_ERR "ME4000:me4000_open():Major number unknown\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int me4000_release(struct inode *inode_p, struct file *file_p)
-{
-	struct me4000_ao_context *ao_context;
-	struct me4000_ai_context *ai_context;
-	struct me4000_dio_context *dio_context;
-	struct me4000_cnt_context *cnt_context;
-	struct me4000_ext_int_context *ext_int_context;
-
-	CALL_PDEBUG("me4000_release() is executed\n");
-
-	if (MAJOR(inode_p->i_rdev) == me4000_ao_major_driver_no) {
-		ao_context = file_p->private_data;
-
-		/* Mark DAC as unused */
-		ao_context->dac_in_use = 0;
-	} else if (MAJOR(inode_p->i_rdev) == me4000_ai_major_driver_no) {
-		ai_context = file_p->private_data;
-
-		/* Reset the analog input */
-		me4000_ai_reset(ai_context);
-
-		/* Free the interrupt and the circular buffer */
-		if (ai_context->mode) {
-			free_irq(ai_context->irq, ai_context);
-			kfree(ai_context->circ_buf.buf);
-			ai_context->circ_buf.buf = NULL;
-			ai_context->circ_buf.head = 0;
-			ai_context->circ_buf.tail = 0;
-		}
-
-		/* Mark AI as unused */
-		ai_context->in_use = 0;
-	} else if (MAJOR(inode_p->i_rdev) == me4000_dio_major_driver_no) {
-		dio_context = file_p->private_data;
-
-		/* Mark digital I/O as unused */
-		dio_context->in_use = 0;
-	} else if (MAJOR(inode_p->i_rdev) == me4000_cnt_major_driver_no) {
-		cnt_context = file_p->private_data;
-
-		/* Mark counters as unused */
-		cnt_context->in_use = 0;
-	} else if (MAJOR(inode_p->i_rdev) == me4000_ext_int_major_driver_no) {
-		ext_int_context = file_p->private_data;
-
-		/* Disable the externel interrupt */
-		me4000_ext_int_disable(ext_int_context);
-
-		free_irq(ext_int_context->irq, ext_int_context);
-
-		/* Mark as unused */
-		ext_int_context->in_use = 0;
-	} else {
-		printk(KERN_ERR
-		       "ME4000:me4000_release():Major number unknown\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/*------------------------------- Analog output stuff --------------------------------------*/
-
-static int me4000_ao_prepare(struct me4000_ao_context *ao_context)
-{
-	unsigned long flags;
-
-	CALL_PDEBUG("me4000_ao_prepare() is executed\n");
-
-	if (ao_context->mode == ME4000_AO_CONV_MODE_CONTINUOUS) {
-		/* Only do anything if not already in the correct mode */
-		unsigned long mode = me4000_inl(ao_context->ctrl_reg);
-		if ((mode & ME4000_AO_CONV_MODE_CONTINUOUS)
-		    && (mode & ME4000_AO_CTRL_BIT_ENABLE_FIFO)) {
-			return 0;
-		}
-
-		/* Stop any conversion */
-		me4000_ao_immediate_stop(ao_context);
-
-		/* Set the control register to default state  */
-		spin_lock_irqsave(&ao_context->int_lock, flags);
-		me4000_outl(ME4000_AO_CONV_MODE_CONTINUOUS |
-			    ME4000_AO_CTRL_BIT_ENABLE_FIFO |
-			    ME4000_AO_CTRL_BIT_STOP |
-			    ME4000_AO_CTRL_BIT_IMMEDIATE_STOP,
-			    ao_context->ctrl_reg);
-		spin_unlock_irqrestore(&ao_context->int_lock, flags);
-
-		/* Set to fastest sample rate */
-		me4000_outl(65, ao_context->timer_reg);
-	} else if (ao_context->mode == ME4000_AO_CONV_MODE_WRAPAROUND) {
-		/* Only do anything if not already in the correct mode */
-		unsigned long mode = me4000_inl(ao_context->ctrl_reg);
-		if ((mode & ME4000_AO_CONV_MODE_WRAPAROUND)
-		    && (mode & ME4000_AO_CTRL_BIT_ENABLE_FIFO)) {
-			return 0;
-		}
-
-		/* Stop any conversion */
-		me4000_ao_immediate_stop(ao_context);
-
-		/* Set the control register to default state  */
-		spin_lock_irqsave(&ao_context->int_lock, flags);
-		me4000_outl(ME4000_AO_CONV_MODE_WRAPAROUND |
-			    ME4000_AO_CTRL_BIT_ENABLE_FIFO |
-			    ME4000_AO_CTRL_BIT_STOP |
-			    ME4000_AO_CTRL_BIT_IMMEDIATE_STOP,
-			    ao_context->ctrl_reg);
-		spin_unlock_irqrestore(&ao_context->int_lock, flags);
-
-		/* Set to fastest sample rate */
-		me4000_outl(65, ao_context->timer_reg);
-	} else if (ao_context->mode == ME4000_AO_CONV_MODE_SINGLE) {
-		/* Only do anything if not already in the correct mode */
-		unsigned long mode = me4000_inl(ao_context->ctrl_reg);
-		if (!
-		    (mode &
-		     (ME4000_AO_CONV_MODE_WRAPAROUND |
-		      ME4000_AO_CONV_MODE_CONTINUOUS))) {
-			return 0;
-		}
-
-		/* Stop any conversion */
-		me4000_ao_immediate_stop(ao_context);
-
-		/* Clear the control register */
-		spin_lock_irqsave(&ao_context->int_lock, flags);
-		me4000_outl(0x0, ao_context->ctrl_reg);
-		spin_unlock_irqrestore(&ao_context->int_lock, flags);
-
-		/* Set voltage to 0V */
-		me4000_outl(0x8000, ao_context->single_reg);
-	} else {
-		printk(KERN_ERR
-		       "ME4000:me4000_ao_prepare():Invalid mode specified\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int me4000_ao_reset(struct me4000_ao_context *ao_context)
-{
-	u32 tmp;
-	wait_queue_head_t queue;
-	unsigned long flags;
-
-	CALL_PDEBUG("me4000_ao_reset() is executed\n");
-
-	init_waitqueue_head(&queue);
-
-	if (ao_context->mode == ME4000_AO_CONV_MODE_WRAPAROUND) {
-		/*
-		 * First stop conversion of the DAC before reconfigure.
-		 * This is essantial, cause of the state machine.
-		 * If not stopped before configuring mode, it could
-		 * walk in a undefined state.
-		 */
-		tmp = me4000_inl(ao_context->ctrl_reg);
-		tmp |= ME4000_AO_CTRL_BIT_IMMEDIATE_STOP;
-		me4000_outl(tmp, ao_context->ctrl_reg);
-
-		wait_event_timeout(queue,
-			(inl(ao_context->status_reg) &
-				ME4000_AO_STATUS_BIT_FSM) == 0,
-			1);
-
-		/* Set to transparent mode */
-		me4000_ao_simultaneous_disable(ao_context);
-
-		/* Set to single mode in order to set default voltage */
-		me4000_outl(0x0, ao_context->ctrl_reg);
-
-		/* Set voltage to 0V */
-		me4000_outl(0x8000, ao_context->single_reg);
-
-		/* Set to fastest sample rate */
-		me4000_outl(65, ao_context->timer_reg);
-
-		/* Set the original mode and enable FIFO */
-		me4000_outl(ME4000_AO_CONV_MODE_WRAPAROUND |
-			    ME4000_AO_CTRL_BIT_ENABLE_FIFO |
-			    ME4000_AO_CTRL_BIT_STOP |
-			    ME4000_AO_CTRL_BIT_IMMEDIATE_STOP,
-			    ao_context->ctrl_reg);
-	} else if (ao_context->mode == ME4000_AO_CONV_MODE_CONTINUOUS) {
-		/*
-		 * First stop conversion of the DAC before reconfigure.
-		 * This is essantial, cause of the state machine.
-		 * If not stopped before configuring mode, it could
-		 * walk in a undefined state.
-		 */
-		spin_lock_irqsave(&ao_context->int_lock, flags);
-		tmp = me4000_inl(ao_context->ctrl_reg);
-		tmp |= ME4000_AO_CTRL_BIT_STOP;
-		me4000_outl(tmp, ao_context->ctrl_reg);
-		spin_unlock_irqrestore(&ao_context->int_lock, flags);
-
-		wait_event_timeout(queue,
-			(inl(ao_context->status_reg) &
-				ME4000_AO_STATUS_BIT_FSM) == 0,
-			1);
-
-		/* Clear the circular buffer */
-		ao_context->circ_buf.head = 0;
-		ao_context->circ_buf.tail = 0;
-
-		/* Set to transparent mode */
-		me4000_ao_simultaneous_disable(ao_context);
-
-		/* Set to single mode in order to set default voltage */
-		spin_lock_irqsave(&ao_context->int_lock, flags);
-		tmp = me4000_inl(ao_context->ctrl_reg);
-		me4000_outl(0x0, ao_context->ctrl_reg);
-
-		/* Set voltage to 0V */
-		me4000_outl(0x8000, ao_context->single_reg);
-
-		/* Set to fastest sample rate */
-		me4000_outl(65, ao_context->timer_reg);
-
-		/* Set the original mode and enable FIFO */
-		me4000_outl(ME4000_AO_CONV_MODE_CONTINUOUS |
-			    ME4000_AO_CTRL_BIT_ENABLE_FIFO |
-			    ME4000_AO_CTRL_BIT_STOP |
-			    ME4000_AO_CTRL_BIT_IMMEDIATE_STOP,
-			    ao_context->ctrl_reg);
-		spin_unlock_irqrestore(&ao_context->int_lock, flags);
-	} else {
-		/* Set to transparent mode */
-		me4000_ao_simultaneous_disable(ao_context);
-
-		/* Set voltage to 0V */
-		me4000_outl(0x8000, ao_context->single_reg);
-	}
-
-	return 0;
-}
-
-static ssize_t me4000_ao_write_sing(struct file *filep, const char *buff,
-				    size_t cnt, loff_t *offp)
-{
-	struct me4000_ao_context *ao_context = filep->private_data;
-	u32 value;
-	const u16 *buffer = (const u16 *)buff;
-
-	CALL_PDEBUG("me4000_ao_write_sing() is executed\n");
-
-	if (cnt != 2) {
-		printk(KERN_ERR
-		       "%s:Write count is not 2\n", __func__);
-		return -EINVAL;
-	}
-
-	if (get_user(value, buffer)) {
-		printk(KERN_ERR
-		       "%s:Cannot copy data from user\n", __func__);
-		return -EFAULT;
-	}
-
-	me4000_outl(value, ao_context->single_reg);
-
-	return 2;
-}
-
-static ssize_t me4000_ao_write_wrap(struct file *filep, const char *buff,
-				    size_t cnt, loff_t *offp)
-{
-	struct me4000_ao_context *ao_context = filep->private_data;
-	size_t i;
-	u32 value;
-	u32 tmp;
-	const u16 *buffer = (const u16 *)buff;
-	size_t count = cnt / 2;
-
-	CALL_PDEBUG("me4000_ao_write_wrap() is executed\n");
-
-	/* Check if a conversion is already running */
-	if (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) {
-		printk(KERN_ERR
-		       "%s:There is already a conversion running\n", __func__);
-		return -EBUSY;
-	}
-
-	if (count > ME4000_AO_FIFO_COUNT) {
-		printk(KERN_ERR
-		       "%s:Can't load more than %d values\n", __func__,
-		       ME4000_AO_FIFO_COUNT);
-		return -ENOSPC;
-	}
-
-	/* Reset the FIFO */
-	tmp = inl(ao_context->ctrl_reg);
-	tmp &= ~ME4000_AO_CTRL_BIT_ENABLE_FIFO;
-	outl(tmp, ao_context->ctrl_reg);
-	tmp |= ME4000_AO_CTRL_BIT_ENABLE_FIFO;
-	outl(tmp, ao_context->ctrl_reg);
-
-	for (i = 0; i < count; i++) {
-		if (get_user(value, buffer + i)) {
-			printk(KERN_ERR
-			       "%s:Cannot copy data from user\n", __func__);
-			return -EFAULT;
-		}
-		if (((ao_context->fifo_reg & 0xFF) == ME4000_AO_01_FIFO_REG)
-		    || ((ao_context->fifo_reg & 0xFF) == ME4000_AO_03_FIFO_REG))
-			value = value << 16;
-		outl(value, ao_context->fifo_reg);
-	}
-	CALL_PDEBUG("me4000_ao_write_wrap() is leaved with %d\n", i * 2);
-
-	return i * 2;
-}
-
-static ssize_t me4000_ao_write_cont(struct file *filep, const char *buff,
-				    size_t cnt, loff_t *offp)
-{
-	struct me4000_ao_context *ao_context = filep->private_data;
-	const u16 *buffer = (const u16 *)buff;
-	size_t count = cnt / 2;
-	unsigned long flags;
-	u32 tmp;
-	int c = 0;
-	int k = 0;
-	int ret = 0;
-	u16 svalue;
-	u32 lvalue;
-	int i;
-	wait_queue_head_t queue;
-
-	CALL_PDEBUG("me4000_ao_write_cont() is executed\n");
-
-	init_waitqueue_head(&queue);
-
-	/* Check count */
-	if (count <= 0) {
-		PDEBUG("me4000_ao_write_cont():Count is 0\n");
-		return 0;
-	}
-
-	if (filep->f_flags & O_APPEND) {
-		PDEBUG("me4000_ao_write_cont(