include/linux/mfd/abx500/ab8500-gpadc.h

   1 /*
   2  * Copyright (C) 2010 ST-Ericsson SA
   3  * Licensed under GPLv2.
   4  *
   5  * Author: Arun R Murthy <arun.murthy@stericsson.com>
   6  * Author: Daniel Willerud <daniel.willerud@stericsson.com>
   7  */
   8
   9 #ifndef _AB8500_GPADC_H
  10 #define _AB8500_GPADC_H
  11
  12 /* GPADC source: From datasheet(ADCSwSel[4:0] in GPADCCtrl2) */
  13 #define BAT_CTRL        0x01
  14 #define BTEMP_BALL      0x02
  15 #define MAIN_CHARGER_V  0x03
  16 #define ACC_DETECT1     0x04
  17 #define ACC_DETECT2     0x05
  18 #define ADC_AUX1        0x06
  19 #define ADC_AUX2        0x07
  20 #define MAIN_BAT_V      0x08
  21 #define VBUS_V          0x09
  22 #define MAIN_CHARGER_C  0x0A
  23 #define USB_CHARGER_C   0x0B
  24 #define BK_BAT_V        0x0C
  25 #define DIE_TEMP        0x0D
  26
  27 struct ab8500_gpadc;
  28
  29 struct ab8500_gpadc *ab8500_gpadc_get(char *name);
  30 int ab8500_gpadc_convert(struct ab8500_gpadc *gpadc, u8 channel);
  31 int ab8500_gpadc_read_raw(struct ab8500_gpadc *gpadc, u8 channel);
  32 int ab8500_gpadc_ad_to_voltage(struct ab8500_gpadc *gpadc,
  33     u8 channel, int ad_value);
  34
  35 #endif /* _AB8500_GPADC_H */