1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright 2005 Simtec Electronics
4 *	Ben Dooks <ben@simtec.co.uk>
5 *	http://armlinux.simtec.co.uk/
6 *
7 * S3C - HWMon interface for ADC
8*/
9
10#ifndef __HWMON_S3C_H__
11#define __HWMON_S3C_H__
12
13/**
14 * s3c_hwmon_chcfg - channel configuration
15 * @name: The name to give this channel.
16 * @mult: Multiply the ADC value read by this.
17 * @div: Divide the value from the ADC by this.
18 *
19 * The value read from the ADC is converted to a value that
20 * hwmon expects (mV) by result = (value_read * @mult) / @div.
21 */
22struct s3c_hwmon_chcfg {
23	const char	*name;
24	unsigned int	mult;
25	unsigned int	div;
26};
27
28/**
29 * s3c_hwmon_pdata - HWMON platform data
30 * @in: One configuration for each possible channel used.
31 */
32struct s3c_hwmon_pdata {
33	struct s3c_hwmon_chcfg	*in[8];
34};
35
36/**
37 * s3c_hwmon_set_platdata - Set platform data for S3C HWMON device
38 * @pd: Platform data to register to device.
39 *
40 * Register the given platform data for use with the S3C HWMON device.
41 * The call will copy the platform data, so the board definitions can
42 * make the structure itself __initdata.
43 */
44extern void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd);
45
46#endif /* __HWMON_S3C_H__ */
47