| /* |
| * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| /* |
| * Qualcomm PMIC QPNP ADC driver header file |
| * |
| */ |
| |
| #ifndef __QPNP_ADC_H |
| #define __QPNP_ADC_H |
| |
| #include <linux/kernel.h> |
| #include <linux/list.h> |
| /** |
| * enum qpnp_vadc_channels - QPNP AMUX arbiter channels |
| */ |
| enum qpnp_vadc_channels { |
| USBIN = 0, |
| DCIN, |
| VCHG_SNS, |
| SPARE1_03, |
| USB_ID_MV, |
| VCOIN, |
| VBAT_SNS, |
| VSYS, |
| DIE_TEMP, |
| REF_625MV, |
| REF_125V, |
| CHG_TEMP, |
| SPARE1, |
| SPARE2, |
| GND_REF, |
| VDD_VADC, |
| P_MUX1_1_1, |
| P_MUX2_1_1, |
| P_MUX3_1_1, |
| P_MUX4_1_1, |
| P_MUX5_1_1, |
| P_MUX6_1_1, |
| P_MUX7_1_1, |
| P_MUX8_1_1, |
| P_MUX9_1_1, |
| P_MUX10_1_1, |
| P_MUX11_1_1, |
| P_MUX12_1_1, |
| P_MUX13_1_1, |
| P_MUX14_1_1, |
| P_MUX15_1_1, |
| P_MUX16_1_1, |
| P_MUX1_1_3, |
| P_MUX2_1_3, |
| P_MUX3_1_3, |
| P_MUX4_1_3, |
| P_MUX5_1_3, |
| P_MUX6_1_3, |
| P_MUX7_1_3, |
| P_MUX8_1_3, |
| P_MUX9_1_3, |
| P_MUX10_1_3, |
| P_MUX11_1_3, |
| P_MUX12_1_3, |
| P_MUX13_1_3, |
| P_MUX14_1_3, |
| P_MUX15_1_3, |
| P_MUX16_1_3, |
| LR_MUX1_BATT_THERM, |
| LR_MUX2_BAT_ID, |
| LR_MUX3_XO_THERM, |
| LR_MUX4_AMUX_THM1, |
| LR_MUX5_AMUX_THM2, |
| LR_MUX6_AMUX_THM3, |
| LR_MUX7_HW_ID, |
| LR_MUX8_AMUX_THM4, |
| LR_MUX9_AMUX_THM5, |
| LR_MUX10_USB_ID_LV, |
| AMUX_PU1, |
| AMUX_PU2, |
| LR_MUX3_BUF_XO_THERM_BUF, |
| LR_MUX1_PU1_BAT_THERM = 112, |
| LR_MUX2_PU1_BAT_ID = 113, |
| LR_MUX3_PU1_XO_THERM = 114, |
| LR_MUX4_PU1_AMUX_THM1 = 115, |
| LR_MUX5_PU1_AMUX_THM2 = 116, |
| LR_MUX6_PU1_AMUX_THM3 = 117, |
| LR_MUX7_PU1_AMUX_HW_ID = 118, |
| LR_MUX8_PU1_AMUX_THM4 = 119, |
| LR_MUX9_PU1_AMUX_THM5 = 120, |
| LR_MUX10_PU1_AMUX_USB_ID_LV = 121, |
| LR_MUX3_BUF_PU1_XO_THERM_BUF = 124, |
| LR_MUX1_PU2_BAT_THERM = 176, |
| LR_MUX2_PU2_BAT_ID = 177, |
| LR_MUX3_PU2_XO_THERM = 178, |
| LR_MUX4_PU2_AMUX_THM1 = 179, |
| LR_MUX5_PU2_AMUX_THM2 = 180, |
| LR_MUX6_PU2_AMUX_THM3 = 181, |
| LR_MUX7_PU2_AMUX_HW_ID = 182, |
| LR_MUX8_PU2_AMUX_THM4 = 183, |
| LR_MUX9_PU2_AMUX_THM5 = 184, |
| LR_MUX10_PU2_AMUX_USB_ID_LV = 185, |
| LR_MUX3_BUF_PU2_XO_THERM_BUF = 188, |
| LR_MUX1_PU1_PU2_BAT_THERM = 240, |
| LR_MUX2_PU1_PU2_BAT_ID = 241, |
| LR_MUX3_PU1_PU2_XO_THERM = 242, |
| LR_MUX4_PU1_PU2_AMUX_THM1 = 243, |
| LR_MUX5_PU1_PU2_AMUX_THM2 = 244, |
| LR_MUX6_PU1_PU2_AMUX_THM3 = 245, |
| LR_MUX7_PU1_PU2_AMUX_HW_ID = 246, |
| LR_MUX8_PU1_PU2_AMUX_THM4 = 247, |
| LR_MUX9_PU1_PU2_AMUX_THM5 = 248, |
| LR_MUX10_PU1_PU2_AMUX_USB_ID_LV = 249, |
| LR_MUX3_BUF_PU1_PU2_XO_THERM_BUF = 252, |
| ALL_OFF = 255, |
| ADC_MAX_NUM, |
| }; |
| |
| /** |
| * enum qpnp_iadc_channels - QPNP IADC channel list |
| */ |
| enum qpnp_iadc_channels { |
| INTERNAL_RSENSE = 0, |
| EXTERNAL_RSENSE, |
| ALT_LEAD_PAIR, |
| GAIN_CALIBRATION_17P857MV, |
| OFFSET_CALIBRATION_SHORT_CADC_LEADS, |
| OFFSET_CALIBRATION_CSP_CSN, |
| OFFSET_CALIBRATION_CSP2_CSN2, |
| IADC_MUX_NUM, |
| }; |
| |
| #define QPNP_ADC_625_UV 625000 |
| #define QPNP_ADC_HWMON_NAME_LENGTH 64 |
| |
| /** |
| * enum qpnp_adc_decimation_type - Sampling rate supported. |
| * %DECIMATION_TYPE1: 512 |
| * %DECIMATION_TYPE2: 1K |
| * %DECIMATION_TYPE3: 2K |
| * %DECIMATION_TYPE4: 4k |
| * %DECIMATION_NONE: Do not use this Sampling type. |
| * |
| * The Sampling rate is specific to each channel of the QPNP ADC arbiter. |
| */ |
| enum qpnp_adc_decimation_type { |
| DECIMATION_TYPE1 = 0, |
| DECIMATION_TYPE2, |
| DECIMATION_TYPE3, |
| DECIMATION_TYPE4, |
| DECIMATION_NONE, |
| }; |
| |
| /** |
| * enum qpnp_adc_calib_type - QPNP ADC Calibration type. |
| * %ADC_CALIB_ABSOLUTE: Use 625mV and 1.25V reference channels. |
| * %ADC_CALIB_RATIOMETRIC: Use reference Voltage/GND. |
| * %ADC_CALIB_CONFIG_NONE: Do not use this calibration type. |
| * |
| * Use the input reference voltage depending on the calibration type |
| * to calcluate the offset and gain parameters. The calibration is |
| * specific to each channel of the QPNP ADC. |
| */ |
| enum qpnp_adc_calib_type { |
| CALIB_ABSOLUTE = 0, |
| CALIB_RATIOMETRIC, |
| CALIB_NONE, |
| }; |
| |
| /** |
| * enum qpnp_adc_channel_scaling_param - pre-scaling AMUX ratio. |
| * %CHAN_PATH_SCALING0: ratio of {1, 1} |
| * %CHAN_PATH_SCALING1: ratio of {1, 3} |
| * %CHAN_PATH_SCALING2: ratio of {1, 4} |
| * %CHAN_PATH_SCALING3: ratio of {1, 6} |
| * %CHAN_PATH_SCALING4: ratio of {1, 20} |
| * %CHAN_PATH_NONE: Do not use this pre-scaling ratio type. |
| * |
| * The pre-scaling is applied for signals to be within the voltage range |
| * of the ADC. |
| */ |
| enum qpnp_adc_channel_scaling_param { |
| PATH_SCALING0 = 0, |
| PATH_SCALING1, |
| PATH_SCALING2, |
| PATH_SCALING3, |
| PATH_SCALING4, |
| PATH_SCALING_NONE, |
| }; |
| |
| /** |
| * enum qpnp_adc_scale_fn_type - Scaling function for pm8941 pre calibrated |
| * digital data relative to ADC reference. |
| * %ADC_SCALE_DEFAULT: Default scaling to convert raw adc code to voltage. |
| * %ADC_SCALE_BATT_THERM: Conversion to temperature based on btm parameters. |
| * %ADC_SCALE_THERM_100K_PULLUP: Returns temperature in degC. |
| * Uses a mapping table with 100K pullup. |
| * %ADC_SCALE_PMIC_THERM: Returns result in milli degree's Centigrade. |
| * %ADC_SCALE_XOTHERM: Returns XO thermistor voltage in degree's Centigrade. |
| * %ADC_SCALE_THERM_150K_PULLUP: Returns temperature in degC. |
| * Uses a mapping table with 150K pullup. |
| * %ADC_SCALE_NONE: Do not use this scaling type. |
| */ |
| enum qpnp_adc_scale_fn_type { |
| SCALE_DEFAULT = 0, |
| SCALE_BATT_THERM, |
| SCALE_THERM_100K_PULLUP, |
| SCALE_PMIC_THERM, |
| SCALE_XOTHERM, |
| SCALE_THERM_150K_PULLUP, |
| SCALE_NONE, |
| }; |
| |
| |
| /** |
| * enum qpnp_adc_tm_rscale_fn_type - Scaling function used to convert the |
| * channels input voltage/temperature to corresponding ADC code that is |
| * applied for thresholds. Check the corresponding channels scaling to |
| * determine the appropriate temperature/voltage units that are passed |
| * to the scaling function. Example battery follows the power supply |
| * framework that needs its units to be in decidegreesC so it passes |
| * deci-degreesC. PA_THERM clients pass the temperature in degrees. |
| * The order below should match the one in the driver for |
| * adc_tm_rscale_fn[]. |
| */ |
| enum qpnp_adc_tm_rscale_fn_type { |
| SCALE_R_VBATT = 0, |
| SCALE_RBATT_THERM, |
| SCALE_R_USB_ID, |
| SCALE_RPMIC_THERM, |
| SCALE_RSCALE_NONE, |
| }; |
| |
| /** |
| * enum qpnp_adc_fast_avg_ctl - Provides ability to obtain single result |
| * from the ADC that is an average of multiple measurement |
| * samples. Select number of samples for use in fast |
| * average mode (i.e. 2 ^ value). |
| * %ADC_FAST_AVG_SAMPLE_1: 0x0 = 1 |
| * %ADC_FAST_AVG_SAMPLE_2: 0x1 = 2 |
| * %ADC_FAST_AVG_SAMPLE_4: 0x2 = 4 |
| * %ADC_FAST_AVG_SAMPLE_8: 0x3 = 8 |
| * %ADC_FAST_AVG_SAMPLE_16: 0x4 = 16 |
| * %ADC_FAST_AVG_SAMPLE_32: 0x5 = 32 |
| * %ADC_FAST_AVG_SAMPLE_64: 0x6 = 64 |
| * %ADC_FAST_AVG_SAMPLE_128: 0x7 = 128 |
| * %ADC_FAST_AVG_SAMPLE_256: 0x8 = 256 |
| * %ADC_FAST_AVG_SAMPLE_512: 0x9 = 512 |
| */ |
| enum qpnp_adc_fast_avg_ctl { |
| ADC_FAST_AVG_SAMPLE_1 = 0, |
| ADC_FAST_AVG_SAMPLE_2, |
| ADC_FAST_AVG_SAMPLE_4, |
| ADC_FAST_AVG_SAMPLE_8, |
| ADC_FAST_AVG_SAMPLE_16, |
| ADC_FAST_AVG_SAMPLE_32, |
| ADC_FAST_AVG_SAMPLE_64, |
| ADC_FAST_AVG_SAMPLE_128, |
| ADC_FAST_AVG_SAMPLE_256, |
| ADC_FAST_AVG_SAMPLE_512, |
| ADC_FAST_AVG_SAMPLE_NONE, |
| }; |
| |
| /** |
| * enum qpnp_adc_hw_settle_time - Time between AMUX getting configured and |
| * the ADC starting conversion. Delay = 100us * value for |
| * value < 11 and 2ms * (value - 10) otherwise. |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_0US: 0us |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_100US: 100us |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_200US: 200us |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_300US: 300us |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_400US: 400us |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_500US: 500us |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_600US: 600us |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_700US: 700us |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_800US: 800us |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_900US: 900us |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_1MS: 1ms |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_2MS: 2ms |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_4MS: 4ms |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_6MS: 6ms |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_8MS: 8ms |
| * %ADC_CHANNEL_HW_SETTLE_DELAY_10MS: 10ms |
| * %ADC_CHANNEL_HW_SETTLE_NONE |
| */ |
| enum qpnp_adc_hw_settle_time { |
| ADC_CHANNEL_HW_SETTLE_DELAY_0US = 0, |
| ADC_CHANNEL_HW_SETTLE_DELAY_100US, |
| ADC_CHANNEL_HW_SETTLE_DELAY_2000US, |
| ADC_CHANNEL_HW_SETTLE_DELAY_300US, |
| ADC_CHANNEL_HW_SETTLE_DELAY_400US, |
| ADC_CHANNEL_HW_SETTLE_DELAY_500US, |
| ADC_CHANNEL_HW_SETTLE_DELAY_600US, |
| ADC_CHANNEL_HW_SETTLE_DELAY_700US, |
| ADC_CHANNEL_HW_SETTLE_DELAY_800US, |
| ADC_CHANNEL_HW_SETTLE_DELAY_900US, |
| ADC_CHANNEL_HW_SETTLE_DELAY_1MS, |
| ADC_CHANNEL_HW_SETTLE_DELAY_2MS, |
| ADC_CHANNEL_HW_SETTLE_DELAY_4MS, |
| ADC_CHANNEL_HW_SETTLE_DELAY_6MS, |
| ADC_CHANNEL_HW_SETTLE_DELAY_8MS, |
| ADC_CHANNEL_HW_SETTLE_DELAY_10MS, |
| ADC_CHANNEL_HW_SETTLE_NONE, |
| }; |
| |
| /** |
| * enum qpnp_vadc_mode_sel - Selects the basic mode of operation. |
| * - The normal mode is used for single measurement. |
| * - The Conversion sequencer is used to trigger an |
| * ADC read when a HW trigger is selected. |
| * - The measurement interval performs a single or |
| * continous measurement at a specified interval/delay. |
| * %ADC_OP_NORMAL_MODE : Normal mode used for single measurement. |
| * %ADC_OP_CONVERSION_SEQUENCER : Conversion sequencer used to trigger |
| * an ADC read on a HW supported trigger. |
| * Refer to enum qpnp_vadc_trigger for |
| * supported HW triggers. |
| * %ADC_OP_MEASUREMENT_INTERVAL : The measurement interval performs a |
| * single or continous measurement after a specified delay. |
| * For delay look at qpnp_adc_meas_timer. |
| */ |
| enum qpnp_vadc_mode_sel { |
| ADC_OP_NORMAL_MODE = 0, |
| ADC_OP_CONVERSION_SEQUENCER, |
| ADC_OP_MEASUREMENT_INTERVAL, |
| ADC_OP_MODE_NONE, |
| }; |
| |
| /** |
| * enum qpnp_vadc_trigger - Select the HW trigger to be used while |
| * measuring the ADC reading. |
| * %ADC_GSM_PA_ON : GSM power amplifier on. |
| * %ADC_TX_GTR_THRES : Transmit power greater than threshold. |
| * %ADC_CAMERA_FLASH_RAMP : Flash ramp up done. |
| * %ADC_DTEST : DTEST. |
| */ |
| enum qpnp_vadc_trigger { |
| ADC_GSM_PA_ON = 0, |
| ADC_TX_GTR_THRES, |
| ADC_CAMERA_FLASH_RAMP, |
| ADC_DTEST, |
| ADC_SEQ_NONE, |
| }; |
| |
| /** |
| * enum qpnp_vadc_conv_seq_timeout - Select delay (0 to 15ms) from |
| * conversion request to triggering conversion sequencer |
| * hold off time. |
| */ |
| enum qpnp_vadc_conv_seq_timeout { |
| ADC_CONV_SEQ_TIMEOUT_0MS = 0, |
| ADC_CONV_SEQ_TIMEOUT_1MS, |
| ADC_CONV_SEQ_TIMEOUT_2MS, |
| ADC_CONV_SEQ_TIMEOUT_3MS, |
| ADC_CONV_SEQ_TIMEOUT_4MS, |
| ADC_CONV_SEQ_TIMEOUT_5MS, |
| ADC_CONV_SEQ_TIMEOUT_6MS, |
| ADC_CONV_SEQ_TIMEOUT_7MS, |
| ADC_CONV_SEQ_TIMEOUT_8MS, |
| ADC_CONV_SEQ_TIMEOUT_9MS, |
| ADC_CONV_SEQ_TIMEOUT_10MS, |
| ADC_CONV_SEQ_TIMEOUT_11MS, |
| ADC_CONV_SEQ_TIMEOUT_12MS, |
| ADC_CONV_SEQ_TIMEOUT_13MS, |
| ADC_CONV_SEQ_TIMEOUT_14MS, |
| ADC_CONV_SEQ_TIMEOUT_15MS, |
| ADC_CONV_SEQ_TIMEOUT_NONE, |
| }; |
| |
| /** |
| * enum qpnp_adc_conv_seq_holdoff - Select delay from conversion |
| * trigger signal (i.e. adc_conv_seq_trig) transition |
| * to ADC enable. Delay = 25us * (value + 1). |
| */ |
| enum qpnp_adc_conv_seq_holdoff { |
| ADC_SEQ_HOLD_25US = 0, |
| ADC_SEQ_HOLD_50US, |
| ADC_SEQ_HOLD_75US, |
| ADC_SEQ_HOLD_100US, |
| ADC_SEQ_HOLD_125US, |
| ADC_SEQ_HOLD_150US, |
| ADC_SEQ_HOLD_175US, |
| ADC_SEQ_HOLD_200US, |
| ADC_SEQ_HOLD_225US, |
| ADC_SEQ_HOLD_250US, |
| ADC_SEQ_HOLD_275US, |
| ADC_SEQ_HOLD_300US, |
| ADC_SEQ_HOLD_325US, |
| ADC_SEQ_HOLD_350US, |
| ADC_SEQ_HOLD_375US, |
| ADC_SEQ_HOLD_400US, |
| ADC_SEQ_HOLD_NONE, |
| }; |
| |
| /** |
| * enum qpnp_adc_conv_seq_state - Conversion sequencer operating state |
| * %ADC_CONV_SEQ_IDLE : Sequencer is in idle. |
| * %ADC_CONV_TRIG_RISE : Waiting for rising edge trigger. |
| * %ADC_CONV_TRIG_HOLDOFF : Waiting for rising trigger hold off time. |
| * %ADC_CONV_MEAS_RISE : Measuring selected ADC signal. |
| * %ADC_CONV_TRIG_FALL : Waiting for falling trigger edge. |
| * %ADC_CONV_FALL_HOLDOFF : Waiting for falling trigger hold off time. |
| * %ADC_CONV_MEAS_FALL : Measuring selected ADC signal. |
| * %ADC_CONV_ERROR : Aberrant Hardware problem. |
| */ |
| enum qpnp_adc_conv_seq_state { |
| ADC_CONV_SEQ_IDLE = 0, |
| ADC_CONV_TRIG_RISE, |
| ADC_CONV_TRIG_HOLDOFF, |
| ADC_CONV_MEAS_RISE, |
| ADC_CONV_TRIG_FALL, |
| ADC_CONV_FALL_HOLDOFF, |
| ADC_CONV_MEAS_FALL, |
| ADC_CONV_ERROR, |
| ADC_CONV_NONE, |
| }; |
| |
| /** |
| * enum qpnp_adc_meas_timer_1 - Selects the measurement interval time. |
| * If value = 0, use 0ms else use 2^(value + 4)/ 32768). |
| * The timer period is used by the USB_ID. Do not set a polling rate |
| * greater than 1 second on PMIC 2.0. The max polling rate on the PMIC 2.0 |
| * appears to be limited to 1 second. |
| * %ADC_MEAS_INTERVAL_0MS : 0ms |
| * %ADC_MEAS_INTERVAL_1P0MS : 1ms |
| * %ADC_MEAS_INTERVAL_2P0MS : 2ms |
| * %ADC_MEAS_INTERVAL_3P9MS : 3.9ms |
| * %ADC_MEAS_INTERVAL_7P8MS : 7.8ms |
| * %ADC_MEAS_INTERVAL_15P6MS : 15.6ms |
| * %ADC_MEAS_INTERVAL_31P3MS : 31.3ms |
| * %ADC_MEAS_INTERVAL_62P5MS : 62.5ms |
| * %ADC_MEAS_INTERVAL_125MS : 125ms |
| * %ADC_MEAS_INTERVAL_250MS : 250ms |
| * %ADC_MEAS_INTERVAL_500MS : 500ms |
| * %ADC_MEAS_INTERVAL_1S : 1seconds |
| * %ADC_MEAS_INTERVAL_2S : 2seconds |
| * %ADC_MEAS_INTERVAL_4S : 4seconds |
| * %ADC_MEAS_INTERVAL_8S : 8seconds |
| * %ADC_MEAS_INTERVAL_16S: 16seconds |
| */ |
| enum qpnp_adc_meas_timer_1 { |
| ADC_MEAS1_INTERVAL_0MS = 0, |
| ADC_MEAS1_INTERVAL_1P0MS, |
| ADC_MEAS1_INTERVAL_2P0MS, |
| ADC_MEAS1_INTERVAL_3P9MS, |
| ADC_MEAS1_INTERVAL_7P8MS, |
| ADC_MEAS1_INTERVAL_15P6MS, |
| ADC_MEAS1_INTERVAL_31P3MS, |
| ADC_MEAS1_INTERVAL_62P5MS, |
| ADC_MEAS1_INTERVAL_125MS, |
| ADC_MEAS1_INTERVAL_250MS, |
| ADC_MEAS1_INTERVAL_500MS, |
| ADC_MEAS1_INTERVAL_1S, |
| ADC_MEAS1_INTERVAL_2S, |
| ADC_MEAS1_INTERVAL_4S, |
| ADC_MEAS1_INTERVAL_8S, |
| ADC_MEAS1_INTERVAL_16S, |
| ADC_MEAS1_INTERVAL_NONE, |
| }; |
| |
| /** |
| * enum qpnp_adc_meas_timer_2 - Selects the measurement interval time. |
| * If value = 0, use 0ms else use 2^(value + 4)/ 32768). |
| * The timer period is used by the batt_therm. Do not set a polling rate |
| * greater than 1 second on PMIC 2.0. The max polling rate on the PMIC 2.0 |
| * appears to be limited to 1 second. |
| * %ADC_MEAS_INTERVAL_0MS : 0ms |
| * %ADC_MEAS_INTERVAL_100MS : 100ms |
| * %ADC_MEAS_INTERVAL_200MS : 200ms |
| * %ADC_MEAS_INTERVAL_300MS : 300ms |
| * %ADC_MEAS_INTERVAL_400MS : 400ms |
| * %ADC_MEAS_INTERVAL_500MS : 500ms |
| * %ADC_MEAS_INTERVAL_600MS : 600ms |
| * %ADC_MEAS_INTERVAL_700MS : 700ms |
| * %ADC_MEAS_INTERVAL_800MS : 800ms |
| * %ADC_MEAS_INTERVAL_900MS : 900ms |
| * %ADC_MEAS_INTERVAL_1S: 1seconds |
| * %ADC_MEAS_INTERVAL_1P1S: 1.1seconds |
| * %ADC_MEAS_INTERVAL_1P2S: 1.2seconds |
| * %ADC_MEAS_INTERVAL_1P3S: 1.3seconds |
| * %ADC_MEAS_INTERVAL_1P4S: 1.4seconds |
| * %ADC_MEAS_INTERVAL_1P5S: 1.5seconds |
| */ |
| enum qpnp_adc_meas_timer_2 { |
| ADC_MEAS2_INTERVAL_0MS = 0, |
| ADC_MEAS2_INTERVAL_100MS, |
| ADC_MEAS2_INTERVAL_200MS, |
| ADC_MEAS2_INTERVAL_300MS, |
| ADC_MEAS2_INTERVAL_400MS, |
| ADC_MEAS2_INTERVAL_500MS, |
| ADC_MEAS2_INTERVAL_600MS, |
| ADC_MEAS2_INTERVAL_700MS, |
| ADC_MEAS2_INTERVAL_800MS, |
| ADC_MEAS2_INTERVAL_900MS, |
| ADC_MEAS2_INTERVAL_1S, |
| ADC_MEAS2_INTERVAL_1P1S, |
| ADC_MEAS2_INTERVAL_1P2S, |
| ADC_MEAS2_INTERVAL_1P3S, |
| ADC_MEAS2_INTERVAL_1P4S, |
| ADC_MEAS2_INTERVAL_1P5S, |
| ADC_MEAS2_INTERVAL_NONE, |
| }; |
| |
| /** |
| * enum qpnp_adc_meas_timer_3 - Selects the measurement interval time. |
| * If value = 0, use 0ms else use 2^(value + 4)/ 32768). |
| * Do not set a polling rate greater than 1 second on PMIC 2.0. |
| * The max polling rate on the PMIC 2.0 appears to be limited to 1 second. |
| * %ADC_MEAS_INTERVAL_0MS : 0ms |
| * %ADC_MEAS_INTERVAL_1S : 1seconds |
| * %ADC_MEAS_INTERVAL_2S : 2seconds |
| * %ADC_MEAS_INTERVAL_3S : 3seconds |
| * %ADC_MEAS_INTERVAL_4S : 4seconds |
| * %ADC_MEAS_INTERVAL_5S : 5seconds |
| * %ADC_MEAS_INTERVAL_6S: 6seconds |
| * %ADC_MEAS_INTERVAL_7S : 7seconds |
| * %ADC_MEAS_INTERVAL_8S : 8seconds |
| * %ADC_MEAS_INTERVAL_9S : 9seconds |
| * %ADC_MEAS_INTERVAL_10S : 10seconds |
| * %ADC_MEAS_INTERVAL_11S : 11seconds |
| * %ADC_MEAS_INTERVAL_12S : 12seconds |
| * %ADC_MEAS_INTERVAL_13S : 13seconds |
| * %ADC_MEAS_INTERVAL_14S : 14seconds |
| * %ADC_MEAS_INTERVAL_15S : 15seconds |
| */ |
| enum qpnp_adc_meas_timer_3 { |
| ADC_MEAS3_INTERVAL_0S = 0, |
| ADC_MEAS3_INTERVAL_1S, |
| ADC_MEAS3_INTERVAL_2S, |
| ADC_MEAS3_INTERVAL_3S, |
| ADC_MEAS3_INTERVAL_4S, |
| ADC_MEAS3_INTERVAL_5S, |
| ADC_MEAS3_INTERVAL_6S, |
| ADC_MEAS3_INTERVAL_7S, |
| ADC_MEAS3_INTERVAL_8S, |
| ADC_MEAS3_INTERVAL_9S, |
| ADC_MEAS3_INTERVAL_10S, |
| ADC_MEAS3_INTERVAL_11S, |
| ADC_MEAS3_INTERVAL_12S, |
| ADC_MEAS3_INTERVAL_13S, |
| ADC_MEAS3_INTERVAL_14S, |
| ADC_MEAS3_INTERVAL_15S, |
| ADC_MEAS3_INTERVAL_NONE, |
| }; |
| |
| /** |
| * enum qpnp_adc_meas_timer_select - Selects the timer for which |
| * the appropriate polling frequency is set. |
| * %ADC_MEAS_TIMER_SELECT1 - Select this timer if the client is USB_ID. |
| * %ADC_MEAS_TIMER_SELECT2 - Select this timer if the client is batt_therm. |
| * %ADC_MEAS_TIMER_SELECT3 - The timer is added only for completion. It is |
| * not used by kernel space clients and user space clients cannot set |
| * the polling frequency. The driver will set a appropriate polling |
| * frequency to measure the user space clients from qpnp_adc_meas_timer_3. |
| */ |
| enum qpnp_adc_meas_timer_select { |
| ADC_MEAS_TIMER_SELECT1 = 0, |
| ADC_MEAS_TIMER_SELECT2, |
| ADC_MEAS_TIMER_SELECT3, |
| ADC_MEAS_TIMER_NUM, |
| }; |
| |
| /** |
| * enum qpnp_adc_meas_interval_op_ctl - Select operating mode. |
| * %ADC_MEAS_INTERVAL_OP_SINGLE : Conduct single measurement at specified time |
| * delay. |
| * %ADC_MEAS_INTERVAL_OP_CONTINUOUS : Make measurements at measurement interval |
| * times. |
| */ |
| enum qpnp_adc_meas_interval_op_ctl { |
| ADC_MEAS_INTERVAL_OP_SINGLE = 0, |
| ADC_MEAS_INTERVAL_OP_CONTINUOUS, |
| ADC_MEAS_INTERVAL_OP_NONE, |
| }; |
| |
| /** |
| * Channel selection registers for each of the configurable measurements |
| * Channels allotment is set at device config for a channel. |
| * The USB_ID, BATT_THERM, PMIC_THERM and VBAT channels are used by the |
| * kernel space USB, Battery and IADC drivers. |
| * The other 3 channels are configurable for use by userspace clients. |
| */ |
| enum qpnp_adc_tm_channel_select { |
| QPNP_ADC_TM_M0_ADC_CH_SEL_CTL = 0x48, |
| QPNP_ADC_TM_M1_ADC_CH_SEL_CTL = 0x68, |
| QPNP_ADC_TM_M2_ADC_CH_SEL_CTL = 0x70, |
| QPNP_ADC_TM_M3_ADC_CH_SEL_CTL = 0x78, |
| QPNP_ADC_TM_M4_ADC_CH_SEL_CTL = 0x80, |
| QPNP_ADC_TM_M5_ADC_CH_SEL_CTL = 0x88, |
| QPNP_ADC_TM_M6_ADC_CH_SEL_CTL = 0x90, |
| QPNP_ADC_TM_M7_ADC_CH_SEL_CTL = 0x98, |
| QPNP_ADC_TM_CH_SELECT_NONE |
| }; |
| |
| /** |
| * struct qpnp_adc_tm_config - Represent ADC Thermal Monitor configuration. |
| * @channel: ADC channel for which thermal monitoring is requested. |
| * @adc_code: The pre-calibrated digital output of a given ADC releative to the |
| * ADC reference. |
| * @high_thr_temp: Temperature at which high threshold notification is required. |
| * @low_thr_temp: Temperature at which low threshold notification is required. |
| * @low_thr_voltage : Low threshold voltage ADC code used for reverse |
| * calibration. |
| * @high_thr_voltage: High threshold voltage ADC code used for reverse |
| * calibration. |
| */ |
| struct qpnp_adc_tm_config { |
| int channel; |
| int adc_code; |
| int high_thr_temp; |
| int low_thr_temp; |
| int64_t high_thr_voltage; |
| int64_t low_thr_voltage; |
| }; |
| |
| /** |
| * enum qpnp_adc_tm_trip_type - Type for setting high/low temperature/voltage. |
| * %ADC_TM_TRIP_HIGH_WARM: Setting high temperature. Note that high temperature |
| * corresponds to low voltage. Driver handles this case |
| * appropriately to set high/low thresholds for voltage. |
| * threshold. |
| * %ADC_TM_TRIP_LOW_COOL: Setting low temperature. |
| */ |
| enum qpnp_adc_tm_trip_type { |
| ADC_TM_TRIP_HIGH_WARM = 0, |
| ADC_TM_TRIP_LOW_COOL, |
| ADC_TM_TRIP_NUM, |
| }; |
| |
| /** |
| * enum qpnp_tm_state - This lets the client know whether the threshold |
| * that was crossed was high/low. |
| * %ADC_TM_HIGH_STATE: Client is notified of crossing the requested high |
| * voltage threshold. |
| * %ADC_TM_COOL_STATE: Client is notified of crossing the requested cool |
| * temperature threshold. |
| * %ADC_TM_LOW_STATE: Client is notified of crossing the requested low |
| * voltage threshold. |
| * %ADC_TM_WARM_STATE: Client is notified of crossing the requested high |
| * temperature threshold. |
| */ |
| enum qpnp_tm_state { |
| ADC_TM_HIGH_STATE = 0, |
| ADC_TM_COOL_STATE = ADC_TM_HIGH_STATE, |
| ADC_TM_LOW_STATE, |
| ADC_TM_WARM_STATE = ADC_TM_LOW_STATE, |
| ADC_TM_STATE_NUM, |
| }; |
| |
| /** |
| * enum qpnp_state_request - Request to enable/disable the corresponding |
| * high/low voltage/temperature thresholds. |
| * %ADC_TM_HIGH_THR_ENABLE: Enable high voltage threshold. |
| * %ADC_TM_COOL_THR_ENABLE = Enables cool temperature threshold. |
| * %ADC_TM_LOW_THR_ENABLE: Enable low voltage/temperature threshold. |
| * %ADC_TM_WARM_THR_ENABLE = Enables warm temperature threshold. |
| * %ADC_TM_HIGH_LOW_THR_ENABLE: Enable high and low voltage/temperature |
| * threshold. |
| * %ADC_TM_HIGH_THR_DISABLE: Disable high voltage/temperature threshold. |
| * %ADC_TM_COOL_THR_ENABLE = Disables cool temperature threshold. |
| * %ADC_TM_LOW_THR_DISABLE: Disable low voltage/temperature threshold. |
| * %ADC_TM_WARM_THR_ENABLE = Disables warm temperature threshold. |
| * %ADC_TM_HIGH_THR_DISABLE: Disable high and low voltage/temperature |
| * threshold. |
| */ |
| enum qpnp_state_request { |
| ADC_TM_HIGH_THR_ENABLE = 0, |
| ADC_TM_COOL_THR_ENABLE = ADC_TM_HIGH_THR_ENABLE, |
| ADC_TM_LOW_THR_ENABLE, |
| ADC_TM_WARM_THR_ENABLE = ADC_TM_LOW_THR_ENABLE, |
| ADC_TM_HIGH_LOW_THR_ENABLE, |
| ADC_TM_HIGH_THR_DISABLE, |
| ADC_TM_COOL_THR_DISABLE = ADC_TM_HIGH_THR_DISABLE, |
| ADC_TM_LOW_THR_DISABLE, |
| ADC_TM_WARM_THR_DISABLE = ADC_TM_LOW_THR_DISABLE, |
| ADC_TM_HIGH_LOW_THR_DISABLE, |
| ADC_TM_THR_NUM, |
| }; |
| |
| /** |
| * struct qpnp_adc_tm_btm_param - Represent Battery temperature threshold |
| * monitoring configuration. |
| * @high_temp: High temperature threshold for which notification is requested. |
| * @low_temp: Low temperature threshold for which notification is requested. |
| * @high_thr_voltage: High voltage for which notification is requested. |
| * @low_thr_voltage: Low voltage for which notification is requested. |
| * @state_request: Enable/disable the corresponding high and low temperature |
| * thresholds. |
| * @timer_interval1: Select polling rate from qpnp_adc_meas_timer_1 type. |
| * @timer_interval2: Select polling rate from qpnp_adc_meas_timer_2 type. |
| * @timer_interval3: Select polling rate from qpnp_adc_meas_timer_3 type. |
| * @btmid_ctx: A context of void type. |
| * @threshold_notification: Notification callback once threshold are crossed. |
| * units to be used for High/Low temperature and voltage notification - |
| * This depends on the clients usage. Check the rscaling function |
| * for the appropriate channel nodes. |
| * @Batt therm clients temperature units is decidegreesCentigrate. |
| * @USB_ID inputs the voltage units in milli-volts. |
| * @PA_THERM inputs the units in degC. |
| * @PMIC_THERM inputs the units in millidegC. |
| */ |
| struct qpnp_adc_tm_btm_param { |
| int32_t high_temp; |
| int32_t low_temp; |
| int32_t high_thr; |
| int32_t low_thr; |
| enum qpnp_vadc_channels channel; |
| enum qpnp_state_request state_request; |
| enum qpnp_adc_meas_timer_1 timer_interval; |
| enum qpnp_adc_meas_timer_2 timer_interval2; |
| enum qpnp_adc_meas_timer_3 timer_interval3; |
| void *btm_ctx; |
| void (*threshold_notification) (enum qpnp_tm_state state, |
| void *ctx); |
| }; |
| |
| /** |
| * struct qpnp_vadc_linear_graph - Represent ADC characteristics. |
| * @dy: Numerator slope to calculate the gain. |
| * @dx: Denominator slope to calculate the gain. |
| * @adc_vref: A/D word of the voltage reference used for the channel. |
| * @adc_gnd: A/D word of the ground reference used for the channel. |
| * |
| * Each ADC device has different offset and gain parameters which are computed |
| * to calibrate the device. |
| */ |
| struct qpnp_vadc_linear_graph { |
| int64_t dy; |
| int64_t dx; |
| int64_t adc_vref; |
| int64_t adc_gnd; |
| }; |
| |
| /** |
| * struct qpnp_vadc_map_pt - Map the graph representation for ADC channel |
| * @x: Represent the ADC digitized code. |
| * @y: Represent the physical data which can be temperature, voltage, |
| * resistance. |
| */ |
| struct qpnp_vadc_map_pt { |
| int32_t x; |
| int32_t y; |
| }; |
| |
| /** |
| * struct qpnp_vadc_scaling_ratio - Represent scaling ratio for adc input. |
| * @num: Numerator scaling parameter. |
| * @den: Denominator scaling parameter. |
| */ |
| struct qpnp_vadc_scaling_ratio { |
| int32_t num; |
| int32_t den; |
| }; |
| |
| /** |
| * struct qpnp_adc_properties - Represent the ADC properties. |
| * @adc_reference: Reference voltage for QPNP ADC. |
| * @bitresolution: ADC bit resolution for QPNP ADC. |
| * @biploar: Polarity for QPNP ADC. |
| */ |
| struct qpnp_adc_properties { |
| uint32_t adc_vdd_reference; |
| uint32_t bitresolution; |
| bool bipolar; |
| }; |
| |
| /** |
| * struct qpnp_vadc_chan_properties - Represent channel properties of the ADC. |
| * @offset_gain_numerator: The inverse numerator of the gain applied to the |
| * input channel. |
| * @offset_gain_denominator: The inverse denominator of the gain applied to the |
| * input channel. |
| * @high_thr: High threshold voltage that is requested to be set. |
| * @low_thr: Low threshold voltage that is requested to be set. |
| * @timer_select: Choosen from one of the 3 timers to set the polling rate for |
| * the VADC_BTM channel. |
| * @meas_interval1: Polling rate to set for timer 1. |
| * @meas_interval2: Polling rate to set for timer 2. |
| * @tm_channel_select: BTM channel number for the 5 VADC_BTM channels. |
| * @state_request: User can select either enable or disable high/low or both |
| * activation levels based on the qpnp_state_request type. |
| * @adc_graph: ADC graph for the channel of struct type qpnp_adc_linear_graph. |
| */ |
| struct qpnp_vadc_chan_properties { |
| uint32_t offset_gain_numerator; |
| uint32_t offset_gain_denominator; |
| uint32_t high_thr; |
| uint32_t low_thr; |
| enum qpnp_adc_meas_timer_select timer_select; |
| enum qpnp_adc_meas_timer_1 meas_interval1; |
| enum qpnp_adc_meas_timer_2 meas_interval2; |
| enum qpnp_adc_tm_channel_select tm_channel_select; |
| enum qpnp_state_request state_request; |
| struct qpnp_vadc_linear_graph adc_graph[2]; |
| }; |
| |
| /** |
| * struct qpnp_vadc_result - Represent the result of the QPNP ADC. |
| * @chan: The channel number of the requested conversion. |
| * @adc_code: The pre-calibrated digital output of a given ADC relative to the |
| * the ADC reference. |
| * @measurement: In units specific for a given ADC; most ADC uses reference |
| * voltage but some ADC uses reference current. This measurement |
| * here is a number relative to a reference of a given ADC. |
| * @physical: The data meaningful for each individual channel whether it is |
| * voltage, current, temperature, etc. |
| * All voltage units are represented in micro - volts. |
| * -Battery temperature units are represented as 0.1 DegC. |
| * -PA Therm temperature units are represented as DegC. |
| * -PMIC Die temperature units are represented as 0.001 DegC. |
| */ |
| struct qpnp_vadc_result { |
| uint32_t chan; |
| int32_t adc_code; |
| int64_t measurement; |
| int64_t physical; |
| }; |
| |
| /** |
| * struct qpnp_adc_amux - AMUX properties for individual channel |
| * @name: Channel string name. |
| * @channel_num: Channel in integer used from qpnp_adc_channels. |
| * @chan_path_prescaling: Channel scaling performed on the input signal. |
| * @adc_decimation: Sampling rate desired for the channel. |
| * adc_scale_fn: Scaling function to convert to the data meaningful for |
| * each individual channel whether it is voltage, current, |
| * temperature, etc and compensates the channel properties. |
| */ |
| struct qpnp_adc_amux { |
| char *name; |
| enum qpnp_vadc_channels channel_num; |
| enum qpnp_adc_channel_scaling_param chan_path_prescaling; |
| enum qpnp_adc_decimation_type adc_decimation; |
| enum qpnp_adc_scale_fn_type adc_scale_fn; |
| enum qpnp_adc_fast_avg_ctl fast_avg_setup; |
| enum qpnp_adc_hw_settle_time hw_settle_time; |
| }; |
| |
| /** |
| * struct qpnp_vadc_scaling_ratio |
| * |
| */ |
| static const struct qpnp_vadc_scaling_ratio qpnp_vadc_amux_scaling_ratio[] = { |
| {1, 1}, |
| {1, 3}, |
| {1, 4}, |
| {1, 6}, |
| {1, 20} |
| }; |
| |
| /** |
| * struct qpnp_vadc_scale_fn - Scaling function prototype |
| * @chan: Function pointer to one of the scaling functions |
| * which takes the adc properties, channel properties, |
| * and returns the physical result |
| */ |
| struct qpnp_vadc_scale_fn { |
| int32_t (*chan) (int32_t, |
| const struct qpnp_adc_properties *, |
| const struct qpnp_vadc_chan_properties *, |
| struct qpnp_vadc_result *); |
| }; |
| |
| /** |
| * struct qpnp_adc_tm_reverse_scale_fn - Reverse scaling prototype |
| * @chan: Function pointer to one of the scaling functions |
| * which takes the adc properties, channel properties, |
| * and returns the physical result |
| */ |
| struct qpnp_adc_tm_reverse_scale_fn { |
| int32_t (*chan) (struct qpnp_adc_tm_btm_param *, |
| uint32_t *, uint32_t *); |
| }; |
| |
| /** |
| * struct qpnp_iadc_calib - IADC channel calibration structure. |
| * @channel - Channel for which the historical offset and gain is |
| * calculated. Available channels are internal rsense, |
| * external rsense and alternate lead pairs. |
| * @offset_raw - raw Offset value for the channel. |
| * @gain_raw - raw Gain of the channel. |
| * @ideal_offset_uv - ideal offset value for the channel. |
| * @ideal_gain_nv - ideal gain for the channel. |
| * @offset_uv - converted value of offset in uV. |
| * @gain_uv - converted value of gain in uV. |
| */ |
| struct qpnp_iadc_calib { |
| enum qpnp_iadc_channels channel; |
| uint16_t offset_raw; |
| uint16_t gain_raw; |
| uint32_t ideal_offset_uv; |
| uint32_t ideal_gain_nv; |
| uint32_t offset_uv; |
| uint32_t gain_uv; |
| }; |
| |
| /** |
| * struct qpnp_iadc_result - IADC read result structure. |
| * @oresult_uv - Result of ADC in uV. |
| * @result_ua - Result of ADC in uA. |
| */ |
| struct qpnp_iadc_result { |
| int32_t result_uv; |
| int32_t result_ua; |
| }; |
| |
| /** |
| * struct qpnp_adc_drv - QPNP ADC device structure. |
| * @spmi - spmi device for ADC peripheral. |
| * @offset - base offset for the ADC peripheral. |
| * @adc_prop - ADC properties specific to the ADC peripheral. |
| * @amux_prop - AMUX properties representing the ADC peripheral. |
| * @adc_channels - ADC channel properties for the ADC peripheral. |
| * @adc_irq_eoc - End of Conversion IRQ. |
| * @adc_irq_fifo_not_empty - Conversion sequencer request written |
| * to FIFO when not empty. |
| * @adc_irq_conv_seq_timeout - Conversion sequencer trigger timeout. |
| * @adc_high_thr_irq - Output higher than high threshold set for measurement. |
| * @adc_low_thr_irq - Output lower than low threshold set for measurement. |
| * @adc_lock - ADC lock for access to the peripheral. |
| * @adc_rslt_completion - ADC result notification after interrupt |
| * is received. |
| * @calib - Internal rsens calibration values for gain and offset. |
| */ |
| struct qpnp_adc_drv { |
| struct spmi_device *spmi; |
| uint8_t slave; |
| uint16_t offset; |
| struct qpnp_adc_properties *adc_prop; |
| struct qpnp_adc_amux_properties *amux_prop; |
| struct qpnp_adc_amux *adc_channels; |
| int adc_irq_eoc; |
| int adc_irq_fifo_not_empty; |
| int adc_irq_conv_seq_timeout; |
| int adc_high_thr_irq; |
| int adc_low_thr_irq; |
| struct mutex adc_lock; |
| struct completion adc_rslt_completion; |
| struct qpnp_iadc_calib calib; |
| }; |
| |
| /** |
| * struct qpnp_adc_amux_properties - QPNP VADC amux channel property. |
| * @amux_channel - Refer to the qpnp_vadc_channel list. |
| * @decimation - Sampling rate supported for the channel. |
| * @mode_sel - The basic mode of operation. |
| * @hw_settle_time - The time between AMUX being configured and the |
| * start of conversion. |
| * @fast_avg_setup - Ability to provide single result from the ADC |
| * that is an average of multiple measurements. |
| * @trigger_channel - HW trigger channel for conversion sequencer. |
| * @chan_prop - Represent the channel properties of the ADC. |
| */ |
| struct qpnp_adc_amux_properties { |
| uint32_t amux_channel; |
| uint32_t decimation; |
| uint32_t mode_sel; |
| uint32_t hw_settle_time; |
| uint32_t fast_avg_setup; |
| enum qpnp_vadc_trigger trigger_channel; |
| struct qpnp_vadc_chan_properties chan_prop[0]; |
| }; |
| |
| /* Public API */ |
| #if defined(CONFIG_SENSORS_QPNP_ADC_VOLTAGE) \ |
| || defined(CONFIG_SENSORS_QPNP_ADC_VOLTAGE_MODULE) |
| /** |
| * qpnp_vadc_read() - Performs ADC read on the channel. |
| * @channel: Input channel to perform the ADC read. |
| * @result: Structure pointer of type adc_chan_result |
| * in which the ADC read results are stored. |
| */ |
| int32_t qpnp_vadc_read(enum qpnp_vadc_channels channel, |
| struct qpnp_vadc_result *result); |
| |
| /** |
| * qpnp_vadc_conv_seq_request() - Performs ADC read on the conversion |
| * sequencer channel. |
| * @channel: Input channel to perform the ADC read. |
| * @result: Structure pointer of type adc_chan_result |
| * in which the ADC read results are stored. |
| */ |
| int32_t qpnp_vadc_conv_seq_request( |
| enum qpnp_vadc_trigger trigger_channel, |
| enum qpnp_vadc_channels channel, |
| struct qpnp_vadc_result *result); |
| |
| /** |
| * qpnp_vadc_check_result() - Performs check on the ADC raw code. |
| * @data: Data used for verifying the range of the ADC code. |
| */ |
| int32_t qpnp_vadc_check_result(int32_t *data); |
| |
| /** |
| * qpnp_adc_get_devicetree_data() - Abstracts the ADC devicetree data. |
| * @spmi: spmi ADC device. |
| * @adc_qpnp: spmi device tree node structure |
| */ |
| int32_t qpnp_adc_get_devicetree_data(struct spmi_device *spmi, |
| struct qpnp_adc_drv *adc_qpnp); |
| |
| /** |
| * qpnp_adc_scale_default() - Scales the pre-calibrated digital output |
| * of an ADC to the ADC reference and compensates for the |
| * gain and offset. |
| * @adc_code: pre-calibrated digital ouput of the ADC. |
| * @adc_prop: adc properties of the qpnp adc such as bit resolution, |
| * reference voltage. |
| * @chan_prop: Individual channel properties to compensate the i/p scaling, |
| * slope and offset. |
| * @chan_rslt: Physical result to be stored. |
| */ |
| int32_t qpnp_adc_scale_default(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt); |
| /** |
| * qpnp_adc_scale_pmic_therm() - Scales the pre-calibrated digital output |
| * of an ADC to the ADC reference and compensates for the |
| * gain and offset. Performs the AMUX out as 2mV/K and returns |
| * the temperature in milli degC. |
| * @adc_code: pre-calibrated digital ouput of the ADC. |
| * @adc_prop: adc properties of the qpnp adc such as bit resolution, |
| * reference voltage. |
| * @chan_prop: Individual channel properties to compensate the i/p scaling, |
| * slope and offset. |
| * @chan_rslt: Physical result to be stored. |
| */ |
| int32_t qpnp_adc_scale_pmic_therm(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt); |
| /** |
| * qpnp_adc_scale_batt_therm() - Scales the pre-calibrated digital output |
| * of an ADC to the ADC reference and compensates for the |
| * gain and offset. Returns the temperature in degC. |
| * @adc_code: pre-calibrated digital ouput of the ADC. |
| * @adc_prop: adc properties of the pm8xxx adc such as bit resolution, |
| * reference voltage. |
| * @chan_prop: individual channel properties to compensate the i/p scaling, |
| * slope and offset. |
| * @chan_rslt: physical result to be stored. |
| */ |
| int32_t qpnp_adc_scale_batt_therm(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt); |
| /** |
| * qpnp_adc_scale_batt_id() - Scales the pre-calibrated digital output |
| * of an ADC to the ADC reference and compensates for the |
| * gain and offset. |
| * @adc_code: pre-calibrated digital ouput of the ADC. |
| * @adc_prop: adc properties of the pm8xxx adc such as bit resolution, |
| * reference voltage. |
| * @chan_prop: individual channel properties to compensate the i/p scaling, |
| * slope and offset. |
| * @chan_rslt: physical result to be stored. |
| */ |
| int32_t qpnp_adc_scale_batt_id(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt); |
| /** |
| * qpnp_adc_scale_tdkntcg_therm() - Scales the pre-calibrated digital output |
| * of an ADC to the ADC reference and compensates for the |
| * gain and offset. Returns the temperature of the xo therm in mili |
| degC. |
| * @adc_code: pre-calibrated digital ouput of the ADC. |
| * @adc_prop: adc properties of the pm8xxx adc such as bit resolution, |
| * reference voltage. |
| * @chan_prop: individual channel properties to compensate the i/p scaling, |
| * slope and offset. |
| * @chan_rslt: physical result to be stored. |
| */ |
| int32_t qpnp_adc_tdkntcg_therm(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt); |
| /** |
| * qpnp_adc_scale_therm_pu1() - Scales the pre-calibrated digital output |
| * of an ADC to the ADC reference and compensates for the |
| * gain and offset. Returns the temperature of the therm in degC. |
| * It uses a mapping table computed for a 150K pull-up. |
| * Pull-up1 is an internal pull-up on the AMUX of 150K. |
| * @adc_code: pre-calibrated digital ouput of the ADC. |
| * @adc_prop: adc properties of the pm8xxx adc such as bit resolution, |
| * reference voltage. |
| * @chan_prop: individual channel properties to compensate the i/p scaling, |
| * slope and offset. |
| * @chan_rslt: physical result to be stored. |
| */ |
| int32_t qpnp_adc_scale_therm_pu1(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt); |
| /** |
| * qpnp_adc_scale_therm_pu2() - Scales the pre-calibrated digital output |
| * of an ADC to the ADC reference and compensates for the |
| * gain and offset. Returns the temperature of the therm in degC. |
| * It uses a mapping table computed for a 100K pull-up. |
| * Pull-up2 is an internal pull-up on the AMUX of 100K. |
| * @adc_code: pre-calibrated digital ouput of the ADC. |
| * @adc_prop: adc properties of the pm8xxx adc such as bit resolution, |
| * reference voltage. |
| * @chan_prop: individual channel properties to compensate the i/p scaling, |
| * slope and offset. |
| * @chan_rslt: physical result to be stored. |
| */ |
| int32_t qpnp_adc_scale_therm_pu2(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt); |
| /** |
| * qpnp_vadc_is_ready() - Clients can use this API to check if the |
| * device is ready to use. |
| * @result: 0 on success and -EPROBE_DEFER when probe for the device |
| * has not occured. |
| */ |
| int32_t qpnp_vadc_is_ready(void); |
| /** |
| * qpnp_adc_tm_scaler() - Performs reverse calibration. |
| * @config: Thermal monitoring configuration. |
| * @adc_prop: adc properties of the qpnp adc such as bit resolution and |
| * reference voltage. |
| * @chan_prop: Individual channel properties to compensate the i/p scaling, |
| * slope and offset. |
| */ |
| static inline int32_t qpnp_adc_tm_scaler(struct qpnp_adc_tm_config *tm_config, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop) |
| { return -ENXIO; } |
| /** |
| * qpnp_get_vadc_gain_and_offset() - Obtains the VADC gain and offset |
| * for absolute and ratiometric calibration. |
| * @param: The result in which the ADC offset and gain values are stored. |
| * @type: The calibration type whether client needs the absolute or |
| * ratiometric gain and offset values. |
| */ |
| int32_t qpnp_get_vadc_gain_and_offset(struct qpnp_vadc_linear_graph *param, |
| enum qpnp_adc_calib_type calib_type); |
| /** |
| * qpnp_adc_scale_millidegc_pmic_voltage_thr() - Performs reverse calibration |
| * on the low/high temperature threshold values passed by the |
| * client. The function coverts milldegC to voltage threshold |
| * and accounts for the corresponding channels scaling as (2mV/K). |
| * @param: The input parameters that contain the low/high temperature |
| * values. |
| * @low_threshold: The low threshold value that needs to be updated with |
| * the above calibrated voltage value. |
| * @high_threshold: The low threshold value that needs to be updated with |
| * the above calibrated voltage value. |
| */ |
| int32_t qpnp_adc_scale_millidegc_pmic_voltage_thr( |
| struct qpnp_adc_tm_btm_param *param, |
| uint32_t *low_threshold, uint32_t *high_threshold); |
| /** |
| * qpnp_adc_btm_scaler() - Performs reverse calibration on the low/high |
| * temperature threshold values passed by the client. |
| * The function maps the temperature to voltage and applies |
| * ratiometric calibration on the voltage values. |
| * @param: The input parameters that contain the low/high temperature |
| * values. |
| * @low_threshold: The low threshold value that needs to be updated with |
| * the above calibrated voltage value. |
| * @high_threshold: The low threshold value that needs to be updated with |
| * the above calibrated voltage value. |
| */ |
| int32_t qpnp_adc_btm_scaler(struct qpnp_adc_tm_btm_param *param, |
| uint32_t *low_threshold, uint32_t *high_threshold); |
| /** |
| * qpnp_adc_tm_scale_therm_voltage_pu2() - Performs reverse calibration |
| * and convert given temperature to voltage on supported |
| * thermistor channels using 100k pull-up. |
| * @param: The input temperature values. |
| */ |
| int32_t qpnp_adc_tm_scale_therm_voltage_pu2(struct qpnp_adc_tm_config *param); |
| /** |
| * qpnp_adc_tm_scale_therm_voltage_pu2() - Performs reverse calibration |
| * and converts the given ADC code to temperature for |
| * thermistor channels using 100k pull-up. |
| * @reg: The input ADC code. |
| * @result: The physical measurement temperature on the thermistor. |
| */ |
| int32_t qpnp_adc_tm_scale_voltage_therm_pu2(uint32_t reg, int64_t *result); |
| /** |
| * qpnp_adc_usb_scaler() - Performs reverse calibration on the low/high |
| * voltage threshold values passed by the client. |
| * The function applies ratiometric calibration on the |
| * voltage values. |
| * @param: The input parameters that contain the low/high voltage |
| * threshold values. |
| * @low_threshold: The low threshold value that needs to be updated with |
| * the above calibrated voltage value. |
| * @high_threshold: The low threshold value that needs to be updated with |
| * the above calibrated voltage value. |
| */ |
| int32_t qpnp_adc_usb_scaler(struct qpnp_adc_tm_btm_param *param, |
| uint32_t *low_threshold, uint32_t *high_threshold); |
| /** |
| * qpnp_adc_vbatt_rscaler() - Performs reverse calibration on the low/high |
| * voltage threshold values passed by the client. |
| * The function applies ratiometric calibration on the |
| * voltage values. |
| * @param: The input parameters that contain the low/high voltage |
| * threshold values. |
| * @low_threshold: The low threshold value that needs to be updated with |
| * the above calibrated voltage value. |
| * @high_threshold: The low threshold value that needs to be updated with |
| * the above calibrated voltage value. |
| */ |
| int32_t qpnp_adc_vbatt_rscaler(struct qpnp_adc_tm_btm_param *param, |
| uint32_t *low_threshold, uint32_t *high_threshold); |
| /** |
| * qpnp_vadc_iadc_sync_request() - Performs Voltage ADC read and |
| * locks the peripheral. When performing simultaneous |
| * voltage and current request the VADC peripheral is |
| * prepared for conversion and the IADC sync conversion |
| * is done from the IADC peripheral. |
| * @channel: Input channel to perform the voltage ADC read. |
| */ |
| int32_t qpnp_vadc_iadc_sync_request(enum qpnp_vadc_channels channel); |
| /** |
| * qpnp_vadc_iadc_sync_complete_request() - Reads the ADC result and |
| * unlocks the peripheral. |
| * @result: Structure pointer of type adc_chan_result |
| * in which the ADC read results are stored. |
| */ |
| int32_t qpnp_vadc_iadc_sync_complete_request( |
| enum qpnp_vadc_channels channel, struct qpnp_vadc_result *result); |
| #else |
| static inline int32_t qpnp_vadc_read(uint32_t channel, |
| struct qpnp_vadc_result *result) |
| { return -ENXIO; } |
| static inline int32_t qpnp_vadc_conv_seq_request( |
| enum qpnp_vadc_trigger trigger_channel, |
| enum qpnp_vadc_channels channel, |
| struct qpnp_vadc_result *result) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_scale_default(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_scale_pmic_therm(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_scale_batt_therm(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_scale_batt_id(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_tdkntcg_therm(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_scale_therm_pu1(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_scale_therm_pu2(int32_t adc_code, |
| const struct qpnp_adc_properties *adc_prop, |
| const struct qpnp_vadc_chan_properties *chan_prop, |
| struct qpnp_vadc_result *chan_rslt) |
| { return -ENXIO; } |
| static inline int32_t qpnp_vadc_is_ready(void) |
| { return -ENXIO; } |
| static inline int32_t qpnp_get_vadc_gain_and_offset( |
| struct qpnp_vadc_linear_graph *param, |
| enum qpnp_adc_calib_type calib_type) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_usb_scaler( |
| struct qpnp_adc_tm_btm_param *param, |
| uint32_t *low_threshold, uint32_t *high_threshold) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_vbatt_rscaler( |
| struct qpnp_adc_tm_btm_param *param, |
| uint32_t *low_threshold, uint32_t *high_threshold) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_btm_scaler( |
| struct qpnp_adc_tm_btm_param *param, |
| uint32_t *low_threshold, uint32_t *high_threshold) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_scale_millidegc_pmic_voltage_thr( |
| struct qpnp_adc_tm_btm_param *param, |
| uint32_t *low_threshold, uint32_t *high_threshold) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_tm_scale_therm_voltage_pu2( |
| struct qpnp_adc_tm_config *param) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_tm_scale_voltage_therm_pu2( |
| uint32_t reg, int64_t *result) |
| { return -ENXIO; } |
| static inline int32_t qpnp_vadc_iadc_sync_request( |
| enum qpnp_vadc_channels channel) |
| { return -ENXIO; } |
| static inline int32_t qpnp_vadc_iadc_sync_complete_request( |
| enum qpnp_vadc_channels channel, |
| struct qpnp_vadc_result *result) |
| { return -ENXIO; } |
| #endif |
| |
| /* Public API */ |
| #if defined(CONFIG_SENSORS_QPNP_ADC_CURRENT) \ |
| || defined(CONFIG_SENSORS_QPNP_ADC_CURRENT_MODULE) |
| /** |
| * qpnp_iadc_read() - Performs ADC read on the current channel. |
| * @channel: Input channel to perform the ADC read. |
| * @result: Current across rsense in mA. |
| */ |
| int32_t qpnp_iadc_read(enum qpnp_iadc_channels channel, |
| struct qpnp_iadc_result *result); |
| /** |
| * qpnp_iadc_get_rsense() - Reads the RDS resistance value from the |
| trim registers. |
| * @rsense: RDS resistance in nOhms. |
| */ |
| int32_t qpnp_iadc_get_rsense(int32_t *rsense); |
| /** |
| * qpnp_iadc_get_gain_and_offset() - Performs gain calibration |
| * over 17.8571mV and offset over selected |
| * channel. Channel can be internal rsense, |
| * external rsense and alternate lead pair. |
| * @result: result structure where the gain and offset is stored of |
| * type qpnp_iadc_calib. |
| */ |
| int32_t qpnp_iadc_get_gain_and_offset(struct qpnp_iadc_calib *result); |
| /** |
| * qpnp_iadc_is_ready() - Clients can use this API to check if the |
| * device is ready to use. |
| * @result: 0 on success and -EPROBE_DEFER when probe for the device |
| * has not occured. |
| */ |
| int32_t qpnp_iadc_is_ready(void); |
| /** |
| * qpnp_iadc_vadc_sync_read() - Performs synchronous VADC and IADC read. |
| * The api is to be used only by the BMS to perform |
| * simultaneous VADC and IADC measurement for battery voltage |
| * and current. |
| * @i_channel: Input battery current channel to perform the IADC read. |
| * @i_result: Current across the rsense in mA. |
| * @v_channel: Input battery voltage channel to perform VADC read. |
| * @v_result: Voltage on the vbatt channel with units in mV. |
| */ |
| int32_t qpnp_iadc_vadc_sync_read( |
| enum qpnp_iadc_channels i_channel, struct qpnp_iadc_result *i_result, |
| enum qpnp_vadc_channels v_channel, struct qpnp_vadc_result *v_result); |
| #else |
| static inline int32_t qpnp_iadc_read(enum qpnp_iadc_channels channel, |
| struct qpnp_iadc_result *result) |
| { return -ENXIO; } |
| static inline int32_t qpnp_iadc_get_rsense(int32_t *rsense) |
| { return -ENXIO; } |
| static inline int32_t qpnp_iadc_get_gain_and_offset(struct qpnp_iadc_calib |
| *result) |
| { return -ENXIO; } |
| static inline int32_t qpnp_iadc_is_ready(void) |
| { return -ENXIO; } |
| static inline int32_t qpnp_iadc_vadc_sync_read( |
| enum qpnp_iadc_channels i_channel, struct qpnp_iadc_result *i_result, |
| enum qpnp_vadc_channels v_channel, struct qpnp_vadc_result *v_result) |
| { return -ENXIO; } |
| #endif |
| |
| /* Public API */ |
| #if defined(CONFIG_THERMAL_QPNP_ADC_TM) \ |
| || defined(CONFIG_THERMAL_QPNP_ADC_TM_MODULE) |
| /** |
| * qpnp_adc_tm_usbid_configure() - Configures Channel 0 of VADC_BTM to |
| * monitor USB_ID channel using 100k internal pull-up. |
| * USB driver passes the high/low voltage threshold along |
| * with the notification callback once the set thresholds |
| * are crossed. |
| * @param: Structure pointer of qpnp_adc_tm_usbid_param type. |
| * Clients pass the low/high voltage along with the threshold |
| * notification callback. |
| */ |
| int32_t qpnp_adc_tm_usbid_configure(struct qpnp_adc_tm_btm_param *param); |
| /** |
| * qpnp_adc_tm_usbid_end() - Disables the monitoring of channel 0 thats |
| * assigned for monitoring USB_ID. Disables the low/high |
| * threshold activation for channel 0 as well. |
| * @param: none. |
| */ |
| int32_t qpnp_adc_tm_usbid_end(void); |
| /** |
| * qpnp_adc_tm_channel_measure() - Configures kernel clients a channel to |
| * monitor the corresponding ADC channel for threshold detection. |
| * Driver passes the high/low voltage threshold along |
| * with the notification callback once the set thresholds |
| * are crossed. |
| * @param: Structure pointer of qpnp_adc_tm_btm_param type. |
| * Clients pass the low/high temperature along with the threshold |
| * notification callback. |
| */ |
| int32_t qpnp_adc_tm_channel_measure(struct qpnp_adc_tm_btm_param *param); |
| /** |
| * qpnp_adc_tm_disable_chan_meas() - Disables the monitoring of channel thats |
| * assigned for monitoring kernel clients. Disables the low/high |
| * threshold activation for the corresponding channel. |
| * @param: Structure pointer of qpnp_adc_tm_btm_param type. |
| * This is used to identify the channel for which the corresponding |
| * channels high/low threshold notification will be disabled. |
| */ |
| int32_t qpnp_adc_tm_disable_chan_meas(struct qpnp_adc_tm_btm_param *param); |
| /** |
| * qpnp_adc_tm_is_ready() - Clients can use this API to check if the |
| * device is ready to use. |
| * @result: 0 on success and -EPROBE_DEFER when probe for the device |
| * has not occured. |
| */ |
| int32_t qpnp_adc_tm_is_ready(void); |
| #else |
| static inline int32_t qpnp_adc_tm_usbid_configure( |
| struct qpnp_adc_tm_btm_param *param) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_tm_usbid_end(void) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_tm_channel_measure( |
| struct qpnp_adc_tm_btm_param *param) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_tm_disable_chan_meas(void) |
| { return -ENXIO; } |
| static inline int32_t qpnp_adc_tm_is_ready(void) |
| { return -ENXIO; } |
| #endif |
| |
| #endif |