1 files changed, 100 insertions, 0 deletions
diff --git a/drivers/staging/comedi/proc.c b/drivers/staging/comedi/proc.c
new file mode 100644
index 00000000..886c202d
--- /dev/null
+++ b/drivers/staging/comedi/proc.c
@@ -0,0 +1,100 @@
+/*
+    module/proc.c
+    /proc interface for comedi
+
+    COMEDI - Linux Control and Measurement Device Interface
+    Copyright (C) 1998 David A. Schleef <ds@schleef.org>
+
+    This program 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.
+
+*/
+
+/*
+	This is some serious bloatware.
+
+	Taken from Dave A.'s PCL-711 driver, 'cuz I thought it
+	was cool.
+*/
+
+#include "comedidev.h"
+#include "comedi_internal.h"
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+static int comedi_read(struct seq_file *m, void *v)
+{
+	int i;
+	int devices_q = 0;
+	struct comedi_driver *driv;
+
+	seq_printf(m,
+		     "comedi version " COMEDI_RELEASE "\n"
+		     "format string: %s\n",
+		     "\"%2d: %-20s %-20s %4d\", i, "
+		     "driver_name, board_name, n_subdevices");
+
+	for (i = 0; i < COMEDI_NUM_BOARD_MINORS; i++) {
+		struct comedi_device *dev = comedi_dev_from_minor(i);
+		if (!dev)
+			continue;
+
+		if (dev->attached) {
+			devices_q = 1;
+			seq_printf(m, "%2d: %-20s %-20s %4d\n",
+				   i, dev->driver->driver_name,
+				   dev->board_name, dev->n_subdevices);
+		}
+	}
+	if (!devices_q)
+		seq_puts(m, "no devices\n");
+
+	for (driv = comedi_drivers; driv; driv = driv->next) {
+		seq_printf(m, "%s:\n", driv->driver_name);
+		for (i = 0; i < driv->num_names; i++)
+			seq_printf(m, " %s\n",
+				   *(char **)((char *)driv->board_name +
+					      i * driv->offset));
+
+		if (!driv->num_names)
+			seq_printf(m, " %s\n", driv->driver_name);
+	}
+
+	return 0;
+}
+
+/*
+ * seq_file wrappers for procfile show routines.
+ */
+static int comedi_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, comedi_read, NULL);
+}
+
+static const struct file_operations comedi_proc_fops = {
+	.open		= comedi_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+void comedi_proc_init(void)
+{
+	proc_create("comedi", 0644, NULL, &comedi_proc_fops);
+}
+
+void comedi_proc_cleanup(void)
+{
+	remove_proc_entry("comedi", NULL);
+}