projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ac1dfc5 | 1 | /* |
| bff78650 BD |
2 | * Copyright 2005 Simtec Electronics |
| 3 | * Ben Dooks <ben@simtec.co.uk> | |
| 4 | * http://armlinux.simtec.co.uk/ | |
| 5 | * | |
| 6 | * S3C - HWMon interface for ADC | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License version 2 as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | */ | |
| 12 | ||
| 2ac1dfc5 SK |
13 | #ifndef __HWMON_S3C_H__ |
| 14 | #define __HWMON_S3C_H__ | |
| bff78650 BD |
15 | |
| 16 | /** | |
| 17 | * s3c_hwmon_chcfg - channel configuration | |
| 18 | * @name: The name to give this channel. | |
| 19 | * @mult: Multiply the ADC value read by this. | |
| 20 | * @div: Divide the value from the ADC by this. | |
| 21 | * | |
| 22 | * The value read from the ADC is converted to a value that | |
| 23 | * hwmon expects (mV) by result = (value_read * @mult) / @div. | |
| 24 | */ | |
| 25 | struct s3c_hwmon_chcfg { | |
| 26 | const char *name; | |
| 27 | unsigned int mult; | |
| 28 | unsigned int div; | |
| 29 | }; | |
| 30 | ||
| 31 | /** | |
| 32 | * s3c_hwmon_pdata - HWMON platform data | |
| 33 | * @in: One configuration for each possible channel used. | |
| 34 | */ | |
| 35 | struct s3c_hwmon_pdata { | |
| 36 | struct s3c_hwmon_chcfg *in[8]; | |
| 37 | }; | |
| 38 | ||
| 6cd82ffe MC |
39 | /** |
| 40 | * s3c_hwmon_set_platdata - Set platform data for S3C HWMON device | |
| 41 | * @pd: Platform data to register to device. | |
| 42 | * | |
| 43 | * Register the given platform data for use with the S3C HWMON device. | |
| 44 | * The call will copy the platform data, so the board definitions can | |
| 45 | * make the structure itself __initdata. | |
| 46 | */ | |
| 47 | extern void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd); | |
| 48 | ||
| 2ac1dfc5 | 49 | #endif /* __HWMON_S3C_H__ */ |