| /* |
| * Copyright (C) 2010 ST-Ericsson SA |
| * Licensed under GPLv2. |
| * |
| * Author: Arun R Murthy <arun.murthy@stericsson.com> |
| * Author: Daniel Willerud <daniel.willerud@stericsson.com> |
| * Author: M'boumba Cedric Madianga <cedric.madianga@stericsson.com> |
| */ |
| |
| #ifndef _AB8500_GPADC_H |
| #define _AB8500_GPADC_H |
| |
| /* GPADC source: From datasheet(ADCSwSel[4:0] in GPADCCtrl2 |
| * and ADCHwSel[4:0] in GPADCCtrl3 ) */ |
| #define BAT_CTRL 0x01 |
| #define BTEMP_BALL 0x02 |
| #define MAIN_CHARGER_V 0x03 |
| #define ACC_DETECT1 0x04 |
| #define ACC_DETECT2 0x05 |
| #define ADC_AUX1 0x06 |
| #define ADC_AUX2 0x07 |
| #define MAIN_BAT_V 0x08 |
| #define VBUS_V 0x09 |
| #define MAIN_CHARGER_C 0x0A |
| #define USB_CHARGER_C 0x0B |
| #define BK_BAT_V 0x0C |
| #define DIE_TEMP 0x0D |
| #define USB_ID 0x0E |
| #define XTAL_TEMP 0x12 |
| #define VBAT_TRUE_MEAS 0x13 |
| #define BAT_CTRL_AND_IBAT 0x1C |
| #define VBAT_MEAS_AND_IBAT 0x1D |
| #define VBAT_TRUE_MEAS_AND_IBAT 0x1E |
| #define BAT_TEMP_AND_IBAT 0x1F |
| |
| /* Virtual channel used only for ibat convertion to ampere |
| * Battery current conversion (ibat) cannot be requested as a single conversion |
| * but it is always in combination with other input requests |
| */ |
| #define IBAT_VIRTUAL_CHANNEL 0xFF |
| |
| #define SAMPLE_1 1 |
| #define SAMPLE_4 4 |
| #define SAMPLE_8 8 |
| #define SAMPLE_16 16 |
| #define RISING_EDGE 0 |
| #define FALLING_EDGE 1 |
| |
| /* Arbitrary ADC conversion type constants */ |
| #define ADC_SW 0 |
| #define ADC_HW 1 |
| |
| struct ab8500_gpadc; |
| |
| struct ab8500_gpadc *ab8500_gpadc_get(char *name); |
| int ab8500_gpadc_sw_hw_convert(struct ab8500_gpadc *gpadc, u8 channel, |
| u8 avg_sample, u8 trig_edge, u8 trig_timer, u8 conv_type); |
| static inline int ab8500_gpadc_convert(struct ab8500_gpadc *gpadc, u8 channel) |
| { |
| return ab8500_gpadc_sw_hw_convert(gpadc, channel, |
| SAMPLE_16, 0, 0, ADC_SW); |
| } |
| |
| int ab8500_gpadc_read_raw(struct ab8500_gpadc *gpadc, u8 channel, |
| u8 avg_sample, u8 trig_edge, u8 trig_timer, u8 conv_type); |
| int ab8500_gpadc_double_read_raw(struct ab8500_gpadc *gpadc, u8 channel, |
| u8 avg_sample, u8 trig_edge, u8 trig_timer, u8 conv_type, |
| int *ibat); |
| int ab8500_gpadc_ad_to_voltage(struct ab8500_gpadc *gpadc, |
| u8 channel, int ad_value); |
| void ab8540_gpadc_get_otp(struct ab8500_gpadc *gpadc, |
| u16 *vmain_l, u16 *vmain_h, u16 *btemp_l, u16 *btemp_h, |
| u16 *vbat_l, u16 *vbat_h, u16 *ibat_l, u16 *ibat_h); |
| |
| #endif /* _AB8500_GPADC_H */ |
