1 /***************************************************************************
2  *   Copyright (C) 2010-2012 Hans de Goede <hdegoede@redhat.com>           *
3  *                                                                         *
4  *   This program is free software; you can redistribute it and/or modify  *
5  *   it under the terms of the GNU General Public License as published by  *
6  *   the Free Software Foundation; either version 2 of the License, or     *
7  *   (at your option) any later version.                                   *
8  *                                                                         *
9  *   This program is distributed in the hope that it will be useful,       *
10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
12  *   GNU General Public License for more details.                          *
13  *                                                                         *
14  *   You should have received a copy of the GNU General Public License     *
15  *   along with this program; if not, write to the                         *
16  *   Free Software Foundation, Inc.,                                       *
17  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
18  ***************************************************************************/
19 
20 #include <linux/mutex.h>
21 
22 struct sch56xx_watchdog_data;
23 
24 int sch56xx_read_virtual_reg(u16 addr, u16 reg);
25 int sch56xx_write_virtual_reg(u16 addr, u16 reg, u8 val);
26 int sch56xx_read_virtual_reg16(u16 addr, u16 reg);
27 int sch56xx_read_virtual_reg12(u16 addr, u16 msb_reg, u16 lsn_reg,
28 			       int high_nibble);
29 
30 struct sch56xx_watchdog_data *sch56xx_watchdog_register(struct device *parent,
31 	u16 addr, u32 revision, struct mutex *io_lock, int check_enabled);
32 void sch56xx_watchdog_unregister(struct sch56xx_watchdog_data *data);
33