/* SPDX-License-Identifier: GPL-2.0-only*/ /* * Copyright (C) 2018-2020 Oplus. All rights reserved. * File: oplus_tri_key.c * * Description: * Definitions for m1120 tri_state_key data process. * * Version: 1.0 */ #ifndef __IST8801_H__ #define __IST8801_H__ #include #include #include /* ***************************************** */ /* feature of ic revision */ /* ***************************************** */ #define IST8801_REV_0_2 (0x02) #define IST8801_REV_1_0 (0x10) #define IST8801_REV IST8801_REV_1_0 #define IST8801_DRIVER_VERSION "Ver1.00-190222" /* ********************************************************* */ /* *SAD1 SAD0 == 00 0001100 R/W (7bits)0x0C (8bits)0x18 *SAD1 SAD0 == 01 0001101 R/W (7bits)0x0D (8bits)0x1A *SAD1 SAD0 == 10 0001110 R/W (7bits)0x0E (8bits)0x1C *SAD1 SAD0 == 11 0001111 R/W (7bits)0x0F (8bits)0x1E */ /* ******************************** */ /* ******************************** */ /* register map */ /* ******************************* */ #define IST8801_REG_PERSINT (0x00) #define IST8801_VAL_PERSINT_COUNT(n) (n << 4) /* *[7:4] PERS : interrupt persistence count *[0] INTCLR = 1 : interrupt clear */ /* ------------------------------------ */ #define IST8801_REG_INTSRS (0x01) #define IST8801_VAL_INTSRS_INT_ON (0x80) #define IST8801_DETECTION_MODE_INTERRUPT IST8801_VAL_INTSRS_INT_ON #define IST8801_VAL_INTSRS_INT_OFF (0x00) #define IST8801_DETECTION_MODE_POLLING IST8801_VAL_INTSRS_INT_OFF #define IST8801_VAL_INTSRS_INTTYPE_BESIDE (0x00) #define IST8801_VAL_INTSRS_INTTYPE_WITHIN (0x10) #define IST8801_VAL_INTSRS_ZGAIN (0x00) #define IST8801_VAL_INTSRS_ZGAIN_DIV_2 (0x01) #define IST8801_VAL_INTSRS_ZGAIN_DIV_4 (0x02) #define IST8801_VAL_INTSRS_ZGAIN_DIV_8 (0x03) #define IST8801_VAL_INTSRS_ZGAIN_DIV_16 (0x04) /* *[7] INTON = 0 : disable interrupt *[7] INTON = 1 : enable interrupt *[4] INT_TYP = 0 : generate interrupt when *raw data is beside range of threshold *[4] INT_TYP = 1 : generate interrupt when * raw data is within range of threshold *[2:0] SRS : Sensitivity range and resolution : default 010 *000 : GAIN= ZGAIN (Register 0x54) *001 : GAIN= ZGAIN / 2 *010 : GAIN= ZGAIN / 4 *011 : GAIN= ZGAIN / 8 *100 : GAIN= ZGAIN / 16 *Others : GAIN= ZGAIN / 4 */ /* ----------------------------------------- */ #define IST8801_REG_LTHL (0x02) /* *[7:0] LTHL : low byte of low threshold value */ /* ---------------------------------- */ #define IST8801_REG_LTHH (0x03) /* *[7:0] LTHH : high byte of low threshold value with sign */ /* ------------------------------------ */ #define IST8801_REG_HTHL (0x04) /* *[7:0] HTHL : low byte of high threshold value */ /* ------------------------------ */ #define IST8801_REG_HTHH (0x05) /* *[7:0] HTHH : high bye of high threshold value with sign */ /* ------------------------------------ */ #define IST8801_REG_I2CDIS (0x06) #define IST8801_VAL_I2CDISABLE (0x37) /* *[7:0] I2CDIS : disable i2c */ /* -------------------------------------- */ #define IST8801_REG_SRST (0x07) #define IST8801_VAL_SRST_RESET (0x01) /* *[0] SRST = 1 : soft reset */ /* --------------------------------------- */ #define IST8801_REG_OPF (0x08) #define IST8801_VAL_OPF_STANDBY (0x00) #define IST8801_VAL_OPF_FREQ_10HZ (0x10) #define IST8801_VAL_OPF_FREQ_6_7HZ (0x20) #define IST8801_VAL_OPF_FREQ_5HZ (0x30) #define IST8801_VAL_OPF_FREQ_80HZ (0x40) #define IST8801_VAL_OPF_FREQ_40HZ (0x50) #define IST8801_VAL_OPF_FREQ_26_7HZ (0x60) #define IST8801_VAL_OPF_FREQ_20HZ (0x70) #define IST8801_VAL_OPF_SINGLE_MODE (0x80) #define IST8801_VAL_OPF_FREQ_100HZ (0x90) #define IST8801_VAL_OPF_FREQ_50HZ (0xA0) #define IST8801_VAL_OPF_FREQ_1HZ (0xB0) #define IST8801_VAL_OPF_FREQ_200HZ (0xC0) #define IST8801_VAL_OPF_FREQ_250HZ (0xD0) #define IST8801_VAL_OPF_FREQ_320HZ (0xE0) #define IST8801_VAL_OPF_FREQ_500HZ (0xF0) /* *[7:4] OPF : operation frequency *00 : Standby mode *10 : 10 (Hz) *20 : 6.7 (Hz) *30 : 5 (Hz) *40 : 80 (Hz) *50 : 40 (Hz) *60 : 26.7 (Hz) *70 : 20 (Hz) *80 : Single mode *90 : 100 (Hz) *A0 : 50 (Hz) *B0 : 1 (Hz) *C0 : 200 (Hz) *D0 : 250 (Hz) *E0 : 320 (Hz) *F0 : 500 (Hz) */ /* ----------------------------------- */ #define IST8801_REG_DID (0x09) #define IST8801_VAL_DID (0x81) /* *[7:0] DID : Device ID by OTP */ /* --------------------------------------- */ #define IST8801_REG_ST1 (0x10) #define IST8801_VAL_ST1_DRDY (0x01) /* *[4] INTM : status of interrupt mode *[2] DORZ : 0 = no data overrun, 1 = data is overrun *[0] DRDY : status of data ready */ /* -------------------------------------- */ #define IST8801_REG_HSL (0x11) /* *[7:0] HSL : low byte of hall sensor measurement data */ /* ------------------------------------ */ #define IST8801_REG_HSH (0x12) /* *[7:0] HSL : high byte of hall sensor measurement data with sign */ /* --------------------------------------- */ #define IST8801_REG_TDATAL (0x13) /* *[7:6] HSL : Temperature Data, Low Byte */ /* --------------------------------- */ #define IST8801_REG_TDATAH (0x14) /* *[7:6] HSL : Temperature Data, High Byte */ /* ---------------------------------------- */ #define IST8801_REG_USR_ODR_L (0x1A) /* *[7:6] HSL : More User ODR Mode, Low Byte */ /* ----------------------------------------- */ #define IST8801_REG_USR_ODR_H (0x1B) /* *[7:6] HSL : More User ODR Mode, High Byte */ /* --------------------------------------- */ #define IST8801_REG_ACTION (0x20) /* *[1] ACTR : Action Register */ /* ************************************ */ /* ------------------------------------ */ #define IST8801_REG_CNTL2 (0x0D) #define GAIN_1_TIME (0x0 << 5) #define GAIN_2_TIME (0x1 << 5) #define GAIN_4_TIME (0x2 << 5) #define GAIN_8_TIME (0x3 << 5) #define ADC_RES_15_BIT (0x1 << 1) #define ADC_RES_14_BIT (0x2 << 1) #define ADC_RES_13_BIT (0x3 << 1) #define ADC_RES_12_BIT (0x4 << 1) #define ADC_RES_11_BIT (0x5 << 1) #define ADC_RES_10_BIT (0x6 << 1) #define ADC_RES_9_BIT (0x7 << 1) #define ADC_RES_8_BIT (0x8 << 1) #define ADC_RES_16_BIT (0x9 << 1) /* *[6:5] GAIN : 1 times/2 times/4 times/8 times *[4:1] ADC_RS : 15/14/13/12/11/10/9/8 bits */ /********************************************* */ #define IST8801_REG_IFCNTL (0x40) /********************************************* */ #define IST8801_REG_GAINCNTL (0x54) /********************************************* */ #define IST8801_REG_TSTCNTL (0x76) /********************************************* */ #define IST8801_REG_OSRCNTL (0x6c) /********************************************* */ #define IST8801_REG_INFO (0x87) /********************************************* */ /*data type for driver */ /******************************************** */ enum { OPERATION_MODE_POWERDOWN, OPERATION_MODE_MEASUREMENT, OPERATION_MODE_LOWPOWER_MEASUREMENT, OPERATION_MODE_FUSEROMACCESS, OPERATION_MODE_SUSPEND }; struct hall_srs { char name[12]; uint8_t value; bool bias; uint32_t ratio; }; /* ********************************************************* */ /* Need to set parameter for ist8801 driver */ /* ********************************************************* */ #define CURRENT_LOAD_UA (100000) #define IST8801_INTERRUPT_TYPE IST8801_VAL_INTSRS_INTTYPE_BESIDE #define IST8801_PERSISTENCE_COUNT IST8801_VAL_PERSINT_COUNT(2) #define IST8801_SENSITIVITY_TYPE 0 #define IST8801_DETECTION_MODE IST8801_DETECTION_MODE_INTERRUPT #define IST8801_REG_NUM (16) #define FREQUENCY IST8801_VAL_OPF_FREQ_20HZ #define LOWPOWER_FREQUENCY IST8801_VAL_OPF_FREQ_40HZ #define DYNAMIC_GAIN_ADC_BIT (GAIN_4_TIME | ADC_RES_10_BIT) #define ENABLE_FILTER 0 #define FILTER_MODE 0 #define DISABLE_TEMP_CONPEN 0 /* ********************************************************* */ union ist8801_reg_t { struct { unsigned char persint; unsigned char intsrs; unsigned char lthl; unsigned char lthh; unsigned char hthl; unsigned char hthh; unsigned char i2cdis; unsigned char srst; unsigned char opf; unsigned char did; unsigned char info; unsigned char asa; unsigned char st1; unsigned char hsl; unsigned char hsh; unsigned char range; } map; unsigned char array[IST8801_REG_NUM]; }; struct ist8801_data_t { struct i2c_client *client; struct pinctrl *pctrl; struct pinctrl_state *power_state; struct pinctrl_state *irq_state; union ist8801_reg_t reg; bool irq_enabled; unsigned int id; int calibrated_data; int irq_source; short value_30degree; short value_70degree; short thrhigh; short thrlow; bool last_state; struct delayed_work work; struct device *dev; struct input_dev *input_dev; struct regulator *power_1v8; struct regulator *power_2v8; int irq_gpio; int irq; unsigned int power_gpio; bool is_power_on; bool enable_hidden; unsigned int bias_ratio; uint8_t origin_gain; uint8_t origin_osr; uint8_t origin_info; struct wakeup_source source; }; /* ********************************************************* */ #endif /* __IST8801_H__ */