linux-imx

/* SPDX-License-Identifier: GPL-2.0 */

/*

 * Code shared between the different Qualcomm PMIC voltage ADCs

 */

​

#ifndef QCOM_VADC_COMMON_H

#define QCOM_VADC_COMMON_H

​

#define VADC_CONV_TIME_MIN_US           2000

#define VADC_CONV_TIME_MAX_US           2100

​

/* Min ADC code represents 0V */

#define VADC_MIN_ADC_CODE           0x6000

/* Max ADC code represents full-scale range of 1.8V */

#define VADC_MAX_ADC_CODE           0xa800

​

#define VADC_ABSOLUTE_RANGE_UV          625000

#define VADC_RATIOMETRIC_RANGE          1800

​

#define VADC_DEF_PRESCALING         0 /* 1:1 */

#define VADC_DEF_DECIMATION         0 /* 512 */

#define VADC_DEF_HW_SETTLE_TIME         0 /* 0 us */

#define VADC_DEF_AVG_SAMPLES            0 /* 1 sample */

#define VADC_DEF_CALIB_TYPE         VADC_CALIB_ABSOLUTE

​

#define VADC_DECIMATION_MIN         512

#define VADC_DECIMATION_MAX         4096

#define ADC5_DEF_VBAT_PRESCALING        1 /* 1:3 */

#define ADC5_DECIMATION_SHORT           250

#define ADC5_DECIMATION_MEDIUM          420

#define ADC5_DECIMATION_LONG            840

/* Default decimation - 1024 for rev2, 840 for pmic5 */

#define ADC5_DECIMATION_DEFAULT         2

#define ADC5_DECIMATION_SAMPLES_MAX     3

​

#define VADC_HW_SETTLE_DELAY_MAX        10000

#define VADC_HW_SETTLE_SAMPLES_MAX      16

#define VADC_AVG_SAMPLES_MAX            512

#define ADC5_AVG_SAMPLES_MAX            16

​

#define KELVINMIL_CELSIUSMIL            273150

#define PMIC5_CHG_TEMP_SCALE_FACTOR     377500

#define PMIC5_SMB_TEMP_CONSTANT         419400

#define PMIC5_SMB_TEMP_SCALE_FACTOR     356

​

#define PMI_CHG_SCALE_1             -138890

#define PMI_CHG_SCALE_2             391750000000LL

​

#define VADC5_MAX_CODE              0x7fff

#define ADC5_FULL_SCALE_CODE            0x70e4

#define ADC5_USR_DATA_CHECK         0x8000

​

/**

 * struct 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 vadc_map_pt {

    s32 x;

    s32 y;

};

​