xref: /linux/drivers/hwmon/sch56xx-common.h (revision 79997eda0d31bc68203c95ecb978773ee6ce7a1f)
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 #include <linux/regmap.h>
9 
10 struct sch56xx_watchdog_data;
11 
12 struct regmap *devm_regmap_init_sch56xx(struct device *dev, struct mutex *lock, u16 addr,
13 					const struct regmap_config *config);
14 int sch56xx_regmap_read16(struct regmap *map, unsigned int reg, unsigned int *val);
15 int sch56xx_regmap_write16(struct regmap *map, unsigned int reg, unsigned int val);
16 
17 int sch56xx_read_virtual_reg(u16 addr, u16 reg);
18 int sch56xx_write_virtual_reg(u16 addr, u16 reg, u8 val);
19 int sch56xx_read_virtual_reg16(u16 addr, u16 reg);
20 int sch56xx_read_virtual_reg12(u16 addr, u16 msb_reg, u16 lsn_reg,
21 			       int high_nibble);
22 
23 void sch56xx_watchdog_register(struct device *parent, u16 addr, u32 revision,
24 			       struct mutex *io_lock, int check_enabled);
25 void sch56xx_watchdog_unregister(struct sch56xx_watchdog_data *data);
26