Index: linux-2.6.22-source/drivers/input/mouse/comouse.c
===================================================================
--- /dev/null
+++ linux-2.6.22-source/drivers/input/mouse/comouse.c
@@ -0,0 +1,144 @@
+
+/*
+ * Cooperative mouse driver
+ *
+ * Copyright (c) 2007 Steve Shoecraft <sshoecraft@earthlink.net>
+ * Copyright (c) 2005 Nuno Lucas <nuno.lucas@zmail.pt>
+ * Copyright (c) 2004 Dan Aloni
+ * Copyright (c) 1999-2001 Vojtech Pavlik
+ *
+ * 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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/cooperative_internal.h>
+
+#define COMOUSE_DEBUG 1
+
+MODULE_AUTHOR("Steve Shoecraft <sshoecraft@earthlink.net");
+MODULE_DESCRIPTION("Cooperative Mouse Driver");
+MODULE_LICENSE("GPL");
+
+static struct input_dev *comouse_dev;
+
+static irqreturn_t comouse_isr(int irq, void *dev_id) {
+	co_message_node_t *node_message;
+
+	while ( co_get_message(&node_message, CO_DEVICE_MOUSE) ) {
+		co_linux_message_t *message = (co_linux_message_t *)&node_message->msg.data;
+		co_mouse_data_t* data = (co_mouse_data_t*) message->data;
+		unsigned len = message->size;
+
+		if ( sizeof(*data) != len ) {
+			printk( KERN_ERR "comouse: Invalid data packet!\n" );
+		} else {
+			/* Movement */
+			input_report_abs( comouse_dev, ABS_X, data->abs_x );
+			input_report_abs( comouse_dev, ABS_Y, data->abs_y );
+
+			/* Wheel */
+			if ( data->rel_z ) input_report_rel( comouse_dev, REL_WHEEL, data->rel_z );
+
+			/* Buttons */
+			input_report_key( comouse_dev, BTN_TOUCH, data->btns & 1 );
+			input_report_key( comouse_dev, BTN_LEFT, data->btns & 1 );
+			input_report_key( comouse_dev, BTN_RIGHT, data->btns & 2 );
+			input_report_key( comouse_dev, BTN_MIDDLE, data->btns & 4 );
+
+			input_sync( comouse_dev );
+#ifdef COMOUSE_DEBUG
+			printk( KERN_DEBUG "comouse: x:%d y:%d buttons:%u wheel: %d.\n",
+				data->abs_x, data->abs_y, data->btns, data->rel_z );
+#endif
+		}
+		co_free_message(node_message);
+	}
+
+	return IRQ_HANDLED;
+}
+
+#if 0
+static int comouse_open(struct input_dev *dev) {
+	return 0;
+}
+
+static void comouse_close(struct input_dev *dev) {
+	return;
+}
+#endif
+
+static int __init comouse_init(void) {
+	int err;
+
+	comouse_dev = input_allocate_device();
+	if (!comouse_dev) {
+		printk(KERN_ERR "comouse.c: Not enough memory for input device\n");
+		return -ENOMEM;
+	}
+
+	comouse_dev->name = "Cooperative Mouse";
+	comouse_dev->phys = "comouse/input0";
+	comouse_dev->id.bustype = BUS_HOST;
+	comouse_dev->id.vendor  = 0x0001;
+	comouse_dev->id.product = 0x0001;
+	comouse_dev->id.version = 0x0100;
+#if 0
+	comouse_dev->open  = comouse_open;
+	comouse_dev->close = comouse_close;
+#endif
+
+	/* Buttons */
+	comouse_dev->evbit[LONG(EV_KEY)] |= BIT(EV_KEY);
+	comouse_dev->keybit[LONG(BTN_TOUCH)] |= BIT(BTN_TOUCH);
+	comouse_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
+
+	/* Movement */
+	comouse_dev->evbit[LONG(EV_ABS)] |= BIT(EV_ABS);
+	input_set_abs_params(comouse_dev, ABS_X, 0, CO_MOUSE_MAX_X, 0, 0);
+	input_set_abs_params(comouse_dev, ABS_Y, 0, CO_MOUSE_MAX_Y, 0, 0);
+
+	/* Wheel */
+	comouse_dev->evbit[LONG(EV_REL)] |= BIT(EV_REL);
+	comouse_dev->relbit[LONG(REL_WHEEL)] |= BIT(REL_WHEEL);
+
+	err = input_register_device(comouse_dev);
+	if (err) {
+		printk(KERN_ERR "comouse: device registration failed!\n");
+		input_free_device(comouse_dev);
+		return err;
+	}
+
+	if (request_irq(MOUSE_IRQ, comouse_isr, 0, "comouse", NULL)) {
+		printk(KERN_ERR "comouse: unable to allocate irq %d!\n", MOUSE_IRQ);
+		return -EBUSY;
+	}
+
+#if COMOUSE_DEBUG
+	printk(KERN_INFO "comouse: initialized.\n");
+#endif
+	return 0;
+}
+
+static void __exit comouse_exit(void) {
+	free_irq(MOUSE_IRQ, NULL);
+	input_unregister_device(comouse_dev);
+}
+
+module_init(comouse_init);
+module_exit(comouse_exit);