|  | /* SPDX-License-Identifier: GPL-2.0-or-later */ | 
|  | /*************************************************************************** | 
|  | *   Copyright (C) 2010-2012 Hans de Goede <hdegoede@redhat.com>           * | 
|  | *                                                                         * | 
|  | ***************************************************************************/ | 
|  |  | 
|  | #include <linux/mutex.h> | 
|  |  | 
|  | struct sch56xx_watchdog_data; | 
|  |  | 
|  | int sch56xx_read_virtual_reg(u16 addr, u16 reg); | 
|  | int sch56xx_write_virtual_reg(u16 addr, u16 reg, u8 val); | 
|  | int sch56xx_read_virtual_reg16(u16 addr, u16 reg); | 
|  | int sch56xx_read_virtual_reg12(u16 addr, u16 msb_reg, u16 lsn_reg, | 
|  | int high_nibble); | 
|  |  | 
|  | void sch56xx_watchdog_register(struct device *parent, u16 addr, u32 revision, | 
|  | struct mutex *io_lock, int check_enabled); | 
|  | void sch56xx_watchdog_unregister(struct sch56xx_watchdog_data *data); |