| Ben Dooks | bff7865 | 2009-07-18 10:12:28 +0100 | [diff] [blame] | 1 | /* linux/arch/arm/plat-s3c/include/plat/hwmon.h |
| 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 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #ifndef __ASM_ARCH_ADC_HWMON_H |
| 15 | #define __ASM_ARCH_ADC_HWMON_H __FILE__ |
| 16 | |
| 17 | /** |
| 18 | * s3c_hwmon_chcfg - channel configuration |
| 19 | * @name: The name to give this channel. |
| 20 | * @mult: Multiply the ADC value read by this. |
| 21 | * @div: Divide the value from the ADC by this. |
| 22 | * |
| 23 | * The value read from the ADC is converted to a value that |
| 24 | * hwmon expects (mV) by result = (value_read * @mult) / @div. |
| 25 | */ |
| 26 | struct s3c_hwmon_chcfg { |
| 27 | const char *name; |
| 28 | unsigned int mult; |
| 29 | unsigned int div; |
| 30 | }; |
| 31 | |
| 32 | /** |
| 33 | * s3c_hwmon_pdata - HWMON platform data |
| 34 | * @in: One configuration for each possible channel used. |
| 35 | */ |
| 36 | struct s3c_hwmon_pdata { |
| 37 | struct s3c_hwmon_chcfg *in[8]; |
| 38 | }; |
| 39 | |
| 40 | #endif /* __ASM_ARCH_ADC_HWMON_H */ |
| 41 | |