Replicant

Hello,

I have found some information on a free software driver for the BCM4751 GPS device.
It might be interesting for you: https://lkml.org/lkml/2010/8/23/192

The driver is written by Nokia and published under the GPLv2:

+ * Copyright (C) 2010 Nokia Corporation
+ * Contact Matti Aaltonen, matti.j.aaltonen@nokia.com
+ *
+ * Written by Andrei Emeltchenko <andrei.emeltchenko@nokia.com>
+ * Modified by Yuri Zaporozhets <ext-yuri.zaporozhets@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA

I hope it can help you.