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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2ac1dfc5 | 2 | /* |
bff78650 BD |
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 | |
bff78650 BD |
8 | */ |
9 | ||
2ac1dfc5 SK |
10 | #ifndef __HWMON_S3C_H__ |
11 | #define __HWMON_S3C_H__ | |
bff78650 BD |
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 | */ | |
22 | struct 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 | */ | |
32 | struct s3c_hwmon_pdata { | |
33 | struct s3c_hwmon_chcfg *in[8]; | |
34 | }; | |
35 | ||
6cd82ffe MC |
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 | */ | |
44 | extern void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd); | |
45 | ||
2ac1dfc5 | 46 | #endif /* __HWMON_S3C_H__ */ |