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/*
* Copyright (c) 2012-2014, 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
#define QPNP_MAX_PROP_NAME_LEN 32
/* Structure device for qpnp vadc */
struct qpnp_vadc_chip;
/* Structure device for qpnp iadc */
struct qpnp_iadc_chip;
/* Structure device for qpnp adc tm */
struct qpnp_adc_tm_chip;
/**
* 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_SCALING5: ratio of {1, 8}
* %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_SCALING5,
PATH_SCALING_NONE,
};
/**
* enum qpnp_adc_scale_fn_type - Scaling function for pm8941 pre calibrated
* digital data relative to ADC reference.
* %SCALE_DEFAULT: Default scaling to convert raw adc code to voltage (uV).
* %SCALE_BATT_THERM: Conversion to temperature(decidegC) based on btm
* parameters.
* %SCALE_THERM_100K_PULLUP: Returns temperature in degC.
* Uses a mapping table with 100K pullup.
* %SCALE_PMIC_THERM: Returns result in milli degree's Centigrade.
* %SCALE_XOTHERM: Returns XO thermistor voltage in degree's Centigrade.
* %SCALE_THERM_150K_PULLUP: Returns temperature in degC.
* Uses a mapping table with 150K pullup.
* %SCALE_QRD_BATT_THERM: Conversion to temperature(decidegC) based on
* btm parameters.
* %SCALE_QRD_SKUAA_BATT_THERM: Conversion to temperature(decidegC) based on
* btm parametersi for SKUAA.
* %SCALE_QRD_SKUG_BATT_THERM: Conversion to temperature(decidegC) based on
* btm parametersi for SKUG.
* %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_QRD_BATT_THERM,
SCALE_QRD_SKUAA_BATT_THERM,
SCALE_QRD_SKUG_BATT_THERM = 9,
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
};
/**
* Channel index for the corresponding index to qpnp_adc_tm_channel_selec
*/
enum qpnp_adc_tm_channel_num {
QPNP_ADC_TM_CHAN0 = 0,
QPNP_ADC_TM_CHAN1,
QPNP_ADC_TM_CHAN2,
QPNP_ADC_TM_CHAN3,
QPNP_ADC_TM_CHAN4,
QPNP_ADC_TM_CHAN5,
QPNP_ADC_TM_CHAN6,
QPNP_ADC_TM_CHAN7,
QPNP_ADC_TM_CHAN_NONE
};
enum qpnp_comp_scheme_type {
COMP_ID_GF = 0,
COMP_ID_SMIC,
COMP_ID_TSMC,
COMP_ID_NUM,
};
/**
* 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},
{1, 8}
};
/**
* 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) (struct qpnp_vadc_chip *, 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_vadc_chip *,
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.
* @dev: Structure device for qpnp vadc
* @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(struct qpnp_vadc_chip *dev,
enum qpnp_vadc_channels channel,
struct qpnp_vadc_result *result);
/**
* qpnp_vadc_conv_seq_request() - Performs ADC read on the conversion
* sequencer channel.
* @dev: Structure device for qpnp vadc
* @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(struct qpnp_vadc_chip *dev,
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.
* @dev: Structure device for qpnp vadc
* @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(struct qpnp_vadc_chip *dev,
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.
* @dev: Structure device for qpnp vadc
* @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(struct qpnp_vadc_chip *dev,
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 decidegC.
* @dev: Structure device for qpnp vadc
* @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(struct qpnp_vadc_chip *dev,
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_qrd_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 decidegC.
* @dev: Structure device for qpnp vadc
* @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_qrd_batt_therm(struct qpnp_vadc_chip *dev,
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_qrd_skuaa_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 decidegC.
* @dev: Structure device for qpnp vadc
* @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_qrd_skuaa_batt_therm(struct qpnp_vadc_chip *dev,
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_qrd_skug_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 decidegC.
* @dev: Structure device for qpnp vadc
* @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_qrd_skug_batt_therm(struct qpnp_vadc_chip *dev,
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.
* @dev: Structure device for qpnp vadc
* @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(struct qpnp_vadc_chip *dev, 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.
* @dev: Structure device for qpnp vadc
* @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(struct qpnp_vadc_chip *dev, 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.
* @dev: Structure device for qpnp vadc
* @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(struct qpnp_vadc_chip *dev, 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.
* @dev: Structure device for qpnp vadc
* @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(struct qpnp_vadc_chip *dev, 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_get_vadc() - Clients need to register with the vadc using the
* corresponding device instance it wants to read the channels
* from. Read the bindings document on how to pass the phandle
* for the corresponding vadc driver to register with.
* @dev: Clients device structure
* @name: Corresponding client's DT parser name. Read the DT bindings
* document on how to register with the vadc
* @struct qpnp_vadc_chip * - On success returns the vadc device structure
* pointer that needs to be used during an ADC request.
*/
struct qpnp_vadc_chip *qpnp_get_vadc(struct device *dev, const char *name);
/**
* 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.
* @dev: Structure device for qpnp vadc
* @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_chip *dev,
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).
* @dev: Structure device for qpnp vadc
* @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_vadc_chip *dev,
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.
* @dev: Structure device for qpnp vadc
* @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_vadc_chip *dev,
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.
* @dev: Structure device for qpnp vadc
* @param: The input temperature values.
*/
int32_t qpnp_adc_tm_scale_therm_voltage_pu2(struct qpnp_vadc_chip *dev,
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.
* @dev: Structure device for qpnp vadc
* @reg: The input ADC code.
* @result: The physical measurement temperature on the thermistor.
*/
int32_t qpnp_adc_tm_scale_voltage_therm_pu2(struct qpnp_vadc_chip *dev,
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.
* @dev: Structure device for qpnp vadc
* @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_vadc_chip *dev,
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.
* @dev: Structure device for qpnp vadc
* @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_vadc_chip *dev,
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.
* @dev: Structure device for qpnp vadc
* @channel: Input channel to perform the voltage ADC read.
*/
int32_t qpnp_vadc_iadc_sync_request(struct qpnp_vadc_chip *dev,
enum qpnp_vadc_channels channel);
/**
* qpnp_vadc_iadc_sync_complete_request() - Reads the ADC result and
* unlocks the peripheral.
* @dev: Structure device for qpnp vadc
* @result: Structure pointer of type adc_chan_result
* in which the ADC read results are stored.
*/
int32_t qpnp_vadc_iadc_sync_complete_request(struct qpnp_vadc_chip *dev,
enum qpnp_vadc_channels channel, struct qpnp_vadc_result *result);
/**
* qpnp_vadc_sns_comp_result() - Compensate vbatt readings based on temperature
* @dev: Structure device for qpnp vadc
* @result: Voltage in uV that needs compensation.
*/
int32_t qpnp_vbat_sns_comp_result(struct qpnp_vadc_chip *dev,
int64_t *result);
#else
static inline int32_t qpnp_vadc_read(struct qpnp_vadc_chip *dev,
uint32_t channel,
struct qpnp_vadc_result *result)
{ return -ENXIO; }
static inline int32_t qpnp_vadc_conv_seq_request(struct qpnp_vadc_chip *dev,
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(struct qpnp_vadc_chip *vadc,
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(struct qpnp_vadc_chip *vadc,
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(struct qpnp_vadc_chip *vadc,
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_qrd_batt_therm(
struct qpnp_vadc_chip *vadc, 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_qrd_skuaa_batt_therm(
struct qpnp_vadc_chip *vadc, 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_qrd_skug_batt_therm(
struct qpnp_vadc_chip *vadc, 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(struct qpnp_vadc_chip *vadc,
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(struct qpnp_vadc_chip *vadc,
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(struct qpnp_vadc_chip *vadc,
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(struct qpnp_vadc_chip *vadc,
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 struct qpnp_vadc_chip *qpnp_get_vadc(struct device *dev,
const char *name)
{ return ERR_PTR(-ENXIO); }
static inline int32_t qpnp_get_vadc_gain_and_offset(struct qpnp_vadc_chip *dev,
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_vadc_chip *dev,
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_vadc_chip *dev,
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_vadc_chip *dev,
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_vadc_chip *dev,
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_vadc_chip *dev,
struct qpnp_adc_tm_config *param)
{ return -ENXIO; }
static inline int32_t qpnp_adc_tm_scale_voltage_therm_pu2(
struct qpnp_vadc_chip *dev,
uint32_t reg, int64_t *result)
{ return -ENXIO; }
static inline int32_t qpnp_vadc_iadc_sync_request(struct qpnp_vadc_chip *dev,
enum qpnp_vadc_channels channel)
{ return -ENXIO; }
static inline int32_t qpnp_vadc_iadc_sync_complete_request(
struct qpnp_vadc_chip *dev,
enum qpnp_vadc_channels channel,
struct qpnp_vadc_result *result)
{ return -ENXIO; }
static inline int32_t qpnp_vbat_sns_comp_result(struct qpnp_vadc_chip *dev,
int64_t *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.
* @dev: Structure device for qpnp iadc
* @channel: Input channel to perform the ADC read.
* @result: Current across rsense in mA.
* @return: 0 on success.
*/
int32_t qpnp_iadc_read(struct qpnp_iadc_chip *dev,
enum qpnp_iadc_channels channel,
struct qpnp_iadc_result *result);
/**
* qpnp_iadc_get_rsense() - Reads the RDS resistance value from the
trim registers.
* @dev: Structure device for qpnp iadc
* @rsense: RDS resistance in nOhms.
* @return: 0 on success.
*/
int32_t qpnp_iadc_get_rsense(struct qpnp_iadc_chip *dev, 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.
* @dev: Structure device for qpnp iadc
* @result: result structure where the gain and offset is stored of
* type qpnp_iadc_calib.
* @return: 0 on success.
*/
int32_t qpnp_iadc_get_gain_and_offset(struct qpnp_iadc_chip *dev,
struct qpnp_iadc_calib *result);
/**
* qpnp_get_iadc() - Clients need to register with the iadc with the
* corresponding device instance it wants to read the channels.
* Read the bindings document on how to pass the phandle for
* the corresponding vadc driver to register with.
* @dev: Clients device structure
* @name: Corresponding client's DT parser name. Read the DT bindings
* document on how to register with the iadc
* @struct qpnp_iadc_chip * - On success returns the iadc device structure
* pointer used everytime client makes an ADC request.
*/
struct qpnp_iadc_chip *qpnp_get_iadc(struct device *dev, const char *name);
/**
* 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.
* @dev: Structure device for qpnp iadc
* @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.
* @return: 0 on success.
*/
int32_t qpnp_iadc_vadc_sync_read(struct qpnp_iadc_chip *dev,
enum qpnp_iadc_channels i_channel, struct qpnp_iadc_result *i_result,
enum qpnp_vadc_channels v_channel, struct qpnp_vadc_result *v_result);
/**
* qpnp_iadc_calibrate_for_trim - Clients can use this API to re-calibrate
* IADC. The offset and gain values are programmed in the trim
* registers. The offset and the gain can be retrieved using
* qpnp_iadc_get_gain_and_offset
* @dev: Structure device for qpnp iadc
* @batfet_closed: batfet is opened or closed. The IADC chooses proper
* channel (internal/external) based on batfet status
* for calibration.
* RETURNS: 0 on success.
*/
int32_t qpnp_iadc_calibrate_for_trim(struct qpnp_iadc_chip *dev,
bool batfet_closed);
/**
* qpnp_iadc_comp_result() - Compensates the result of the current based on
* the gain and offset co-effients and rsense parameters.
* @dev: Structure device for qpnp iadc
* @result: Current value to perform the compensation.
* @return: 0 on success.
*/
int32_t qpnp_iadc_comp_result(struct qpnp_iadc_chip *dev, int64_t *result);
/**
* qpnp_iadc_skip_calibration() - Clients can use this API to ask the driver
* to skip iadc calibrations
* @dev: Structure device for qpnp iadc
* @result: 0 on success and -EPROBE_DEFER when probe for the device
* has not occured.
*/
int qpnp_iadc_skip_calibration(struct qpnp_iadc_chip *dev);
/**
* qpnp_iadc_resume_calibration() - Clients can use this API to ask the driver
* to resume iadc calibrations
* @dev: Structure device for qpnp iadc
* @result: 0 on success and -EPROBE_DEFER when probe for the device
* has not occured.
*/
int qpnp_iadc_resume_calibration(struct qpnp_iadc_chip *dev);
#else
static inline int32_t qpnp_iadc_read(struct qpnp_iadc_chip *iadc,
enum qpnp_iadc_channels channel, struct qpnp_iadc_result *result)
{ return -ENXIO; }
static inline int32_t qpnp_iadc_get_rsense(struct qpnp_iadc_chip *iadc,
int32_t *rsense)
{ return -ENXIO; }
static inline int32_t qpnp_iadc_get_gain_and_offset(struct qpnp_iadc_chip *iadc,
struct qpnp_iadc_calib *result)
{ return -ENXIO; }
static inline struct qpnp_iadc_chip *qpnp_get_iadc(struct device *dev,
const char *name)
{ return ERR_PTR(-ENXIO); }
static inline int32_t qpnp_iadc_vadc_sync_read(struct qpnp_iadc_chip *iadc,
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; }
static inline int32_t qpnp_iadc_calibrate_for_trim(struct qpnp_iadc_chip *iadc,
bool batfet_closed)
{ return -ENXIO; }
static inline int32_t qpnp_iadc_comp_result(struct qpnp_iadc_chip *iadc,
int64_t *result, int32_t sign)
{ 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_chip *chip,
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(struct qpnp_adc_tm_chip *chip);
/**
* 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_chip *chip,
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_chip *chip,
struct qpnp_adc_tm_btm_param *param);
/**
* qpnp_get_adc_tm() - Clients need to register with the adc_tm using the
* corresponding device instance it wants to read the channels
* from. Read the bindings document on how to pass the phandle
* for the corresponding adc_tm driver to register with.
* @name: Corresponding client's DT parser name. Read the DT bindings
* document on how to register with the vadc
* @struct qpnp_adc_tm_chip * - On success returns the vadc device structure
* pointer that needs to be used during an ADC TM request.
*/
struct qpnp_adc_tm_chip *qpnp_get_adc_tm(struct device *dev, const char *name);
#else
static inline int32_t qpnp_adc_tm_usbid_configure(
struct qpnp_adc_tm_chip *chip,
struct qpnp_adc_tm_btm_param *param)
{ return -ENXIO; }
static inline int32_t qpnp_adc_tm_usbid_end(struct qpnp_adc_tm_chip *chip)
{ return -ENXIO; }
static inline int32_t qpnp_adc_tm_channel_measure(
struct qpnp_adc_tm_chip *chip,
struct qpnp_adc_tm_btm_param *param)
{ return -ENXIO; }
static inline int32_t qpnp_adc_tm_disable_chan_meas(
struct qpnp_adc_tm_chip *chip)
{ return -ENXIO; }
static inline struct qpnp_adc_tm_chip *qpnp_get_adc_tm(struct device *dev,
const char *name)
{ return ERR_PTR(-ENXIO); }
#endif
#endif