1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /***************************************************************************
3  *   Copyright (C) 2010-2012 Hans de Goede <hdegoede@redhat.com>           *
4  *                                                                         *
5  ***************************************************************************/
6 
7 #include <linux/mutex.h>
8 
9 struct sch56xx_watchdog_data;
10 
11 int sch56xx_read_virtual_reg(u16 addr, u16 reg);
12 int sch56xx_write_virtual_reg(u16 addr, u16 reg, u8 val);
13 int sch56xx_read_virtual_reg16(u16 addr, u16 reg);
14 int sch56xx_read_virtual_reg12(u16 addr, u16 msb_reg, u16 lsn_reg,
15 			       int high_nibble);
16 
17 struct sch56xx_watchdog_data *sch56xx_watchdog_register(struct device *parent,
18 	u16 addr, u32 revision, struct mutex *io_lock, int check_enabled);
19 void sch56xx_watchdog_unregister(struct sch56xx_watchdog_data *data);
20