| Daniel Willerud | cf16943 | 2011-03-05 11:46:01 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 ST-Ericsson SA |
| 3 | * Licensed under GPLv2. |
| 4 | * |
| 5 | * Author: Arun R Murthy <arun.murthy@stericsson.com> |
| Daniel Willerud | 6321992 | 2011-03-05 11:46:13 +0100 | [diff] [blame] | 6 | * Author: Daniel Willerud <daniel.willerud@stericsson.com> |
| Lee Jones | 7348234 | 2013-02-26 10:06:55 +0000 | [diff] [blame] | 7 | * Author: M'boumba Cedric Madianga <cedric.madianga@stericsson.com> |
| Daniel Willerud | cf16943 | 2011-03-05 11:46:01 +0100 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #ifndef _AB8500_GPADC_H |
| 11 | #define _AB8500_GPADC_H |
| 12 | |
| Lee Jones | 7348234 | 2013-02-26 10:06:55 +0000 | [diff] [blame] | 13 | /* GPADC source: From datasheet(ADCSwSel[4:0] in GPADCCtrl2 |
| 14 | * and ADCHwSel[4:0] in GPADCCtrl3 ) */ |
| Lee Jones | e4bffe8 | 2013-02-11 10:38:00 +0000 | [diff] [blame] | 15 | #define BAT_CTRL 0x01 |
| 16 | #define BTEMP_BALL 0x02 |
| 17 | #define MAIN_CHARGER_V 0x03 |
| 18 | #define ACC_DETECT1 0x04 |
| 19 | #define ACC_DETECT2 0x05 |
| 20 | #define ADC_AUX1 0x06 |
| 21 | #define ADC_AUX2 0x07 |
| 22 | #define MAIN_BAT_V 0x08 |
| 23 | #define VBUS_V 0x09 |
| 24 | #define MAIN_CHARGER_C 0x0A |
| 25 | #define USB_CHARGER_C 0x0B |
| 26 | #define BK_BAT_V 0x0C |
| 27 | #define DIE_TEMP 0x0D |
| 28 | #define USB_ID 0x0E |
| 29 | #define XTAL_TEMP 0x12 |
| 30 | #define VBAT_TRUE_MEAS 0x13 |
| 31 | #define BAT_CTRL_AND_IBAT 0x1C |
| 32 | #define VBAT_MEAS_AND_IBAT 0x1D |
| 33 | #define VBAT_TRUE_MEAS_AND_IBAT 0x1E |
| 34 | #define BAT_TEMP_AND_IBAT 0x1F |
| 35 | |
| 36 | /* Virtual channel used only for ibat convertion to ampere |
| 37 | * Battery current conversion (ibat) cannot be requested as a single conversion |
| 38 | * but it is always in combination with other input requests |
| 39 | */ |
| 40 | #define IBAT_VIRTUAL_CHANNEL 0xFF |
| Daniel Willerud | cf16943 | 2011-03-05 11:46:01 +0100 | [diff] [blame] | 41 | |
| Lee Jones | 7348234 | 2013-02-26 10:06:55 +0000 | [diff] [blame] | 42 | #define SAMPLE_1 1 |
| 43 | #define SAMPLE_4 4 |
| 44 | #define SAMPLE_8 8 |
| 45 | #define SAMPLE_16 16 |
| 46 | #define RISING_EDGE 0 |
| 47 | #define FALLING_EDGE 1 |
| 48 | |
| 49 | /* Arbitrary ADC conversion type constants */ |
| 50 | #define ADC_SW 0 |
| 51 | #define ADC_HW 1 |
| 52 | |
| Daniel Willerud | 6321992 | 2011-03-05 11:46:13 +0100 | [diff] [blame] | 53 | struct ab8500_gpadc; |
| 54 | |
| 55 | struct ab8500_gpadc *ab8500_gpadc_get(char *name); |
| Lee Jones | 7348234 | 2013-02-26 10:06:55 +0000 | [diff] [blame] | 56 | int ab8500_gpadc_sw_hw_convert(struct ab8500_gpadc *gpadc, u8 channel, |
| 57 | u8 avg_sample, u8 trig_edge, u8 trig_timer, u8 conv_type); |
| 58 | static inline int ab8500_gpadc_convert(struct ab8500_gpadc *gpadc, u8 channel) |
| 59 | { |
| 60 | return ab8500_gpadc_sw_hw_convert(gpadc, channel, |
| 61 | SAMPLE_16, 0, 0, ADC_SW); |
| 62 | } |
| 63 | |
| 64 | int ab8500_gpadc_read_raw(struct ab8500_gpadc *gpadc, u8 channel, |
| 65 | u8 avg_sample, u8 trig_edge, u8 trig_timer, u8 conv_type); |
| Lee Jones | e4bffe8 | 2013-02-11 10:38:00 +0000 | [diff] [blame] | 66 | int ab8500_gpadc_double_read_raw(struct ab8500_gpadc *gpadc, u8 channel, |
| 67 | u8 avg_sample, u8 trig_edge, u8 trig_timer, u8 conv_type, |
| 68 | int *ibat); |
| Karl Komierowski | bd4a40b | 2011-08-10 15:09:43 +0200 | [diff] [blame] | 69 | int ab8500_gpadc_ad_to_voltage(struct ab8500_gpadc *gpadc, |
| Lee Jones | 7348234 | 2013-02-26 10:06:55 +0000 | [diff] [blame] | 70 | u8 channel, int ad_value); |
| Lee Jones | bc6b413 | 2013-02-26 14:02:31 +0000 | [diff] [blame] | 71 | void ab8540_gpadc_get_otp(struct ab8500_gpadc *gpadc, |
| 72 | u16 *vmain_l, u16 *vmain_h, u16 *btemp_l, u16 *btemp_h, |
| 73 | u16 *vbat_l, u16 *vbat_h, u16 *ibat_l, u16 *ibat_h); |
| Daniel Willerud | cf16943 | 2011-03-05 11:46:01 +0100 | [diff] [blame] | 74 | |
| 75 | #endif /* _AB8500_GPADC_H */ |