apds993x系列linux驱动（全志平台），适用于apds9930,apds9931.

/* * apds993x.c - Linux kernel modules for ambient light + proximity sensor * * Copyright (C) 2012 Lee Kai Koon <kai-koon.lee@avagotech.com> * Copyright (C) 2012 Avago Technologies * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/i2c.h> #include <linux/mutex.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/input.h> #include <linux/ioctl.h> #include <linux/miscdevice.h> #include <linux/uaccess.h> /*add by orange@sochip 171013*/ #include <linux/spinlock.h> #include <linux/regulator/consumer.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_gpio.h> #include <linux/sys_config.h> #define APDS993X_HAL_USE_SYS_ENABLE /*add by orange@sochip 171013*/ struct sensor_config{ int twi_id; int int1; int int_mode; const char* ldo; int ldo_val; }; static struct sensor_config sensor_config; /*add by orange@sochip 171013*/ static const unsigned short normal_i2c[2] = {0x39, I2C_CLIENT_END}; static struct regulator *regu = NULL; static struct workqueue_struct *apds_workqueue; #define APDS993X_DRV_NAME "apds993x" #define DRIVER_VERSION "1.0.0" #define ALS_POLLING_ENABLED #define APDS993X_INT (__gpio_to_irq(sensor_config.int1)) /*add by orange@sochip 171013*/ #define APDS993X_PS_DETECTION_THRESHOLD 600 #define APDS993X_PS_HSYTERESIS_THRESHOLD 500 #define APDS993X_PS_PULSE_NUMBER 8 #define APDS993X_ALS_THRESHOLD_HSYTERESIS 20 /* 20 = 20% */ #define APDS993X_GA 48 /* 0.48 without glass window */ #define APDS993X_COE_B 223 /* 2.23 without glass window */ #define APDS993X_COE_C 70 /* 0.70 without glass window */ #define APDS993X_COE_D 142 /* 1.42 without glass window */ #define APDS993X_DF 52 /* Change History * * 1.0.0 Fundamental Functions of APDS-993x * */ #define APDS993X_IOCTL_PS_ENABLE 1 #define APDS993X_IOCTL_PS_GET_ENABLE 2 #define APDS993X_IOCTL_PS_GET_PDATA 3 // pdata #define APDS993X_IOCTL_ALS_ENABLE 4 #define APDS993X_IOCTL_ALS_GET_ENABLE 5 #define APDS993X_IOCTL_ALS_GET_CH0DATA 6 // ch0data #define APDS993X_IOCTL_ALS_GET_CH1DATA 7 // ch1data #define APDS993X_IOCTL_ALS_DELAY 8 /* * Defines */ #define APDS993X_ENABLE_REG 0x00 #define APDS993X_ATIME_REG 0x01 #define APDS993X_PTIME_REG 0x02 #define APDS993X_WTIME_REG 0x03 #define APDS993X_AILTL_REG 0x04 #define APDS993X_AILTH_REG 0x05 #define APDS993X_AIHTL_REG 0x06 #define APDS993X_AIHTH_REG 0x07 #define APDS993X_PILTL_REG 0x08 #define APDS993X_PILTH_REG 0x09 #define APDS993X_PIHTL_REG 0x0A #define APDS993X_PIHTH_REG 0x0B #define APDS993X_PERS_REG 0x0C #define APDS993X_CONFIG_REG 0x0D #define APDS993X_PPCOUNT_REG 0x0E #define APDS993X_CONTROL_REG 0x0F #define APDS993X_REV_REG 0x11 #define APDS993X_ID_REG 0x12 #define APDS993X_STATUS_REG 0x13 #define APDS993X_CH0DATAL_REG 0x14 #define APDS993X_CH0DATAH_REG 0x15 #define APDS993X_CH1DATAL_REG 0x16 #define APDS993X_CH1DATAH_REG 0x17 #define APDS993X_PDATAL_REG 0x18 #define APDS993X_PDATAH_REG 0x19 #define CMD_BYTE 0x80 #define CMD_WORD 0xA0 #define CMD_SPECIAL 0xE0 #define CMD_CLR_PS_INT 0xE5 #define CMD_CLR_ALS_INT 0xE6 #define CMD_CLR_PS_ALS_INT 0xE7 /* Register Value define : ATIME */ #define APDS993X_100MS_ADC_TIME 0xDB /* 100.64ms integration time */ #define APDS993X_50MS_ADC_TIME 0xED /* 51.68ms integration time */ #define APDS993X_27MS_ADC_TIME 0xF6 /* 27.2ms integration time */ /* Register Value define : PRXCNFG */ #define APDS993X_ALS_REDUCE 0x04 /* ALSREDUCE - ALS Gain reduced by 4x */ /* Register Value define : PERS */ #define APDS993X_PPERS_0 0x00 /* Every proximity ADC cycle */ #define APDS993X_PPERS_1 0x10 /* 1 consecutive proximity value out of range */ #define APDS993X_PPERS_2 0x20 /* 2 consecutive proximity value out of range */ #define APDS993X_PPERS_3 0x30 /* 3 consecutive proximity value out of range */ #define APDS993X_PPERS_4 0x40 /* 4 consecutive proximity value out of range */ #define APDS993X_PPERS_5 0x50 /* 5 consecutive proximity value out of range */ #define APDS993X_PPERS_6 0x60 /* 6 consecutive proximity value out of range */ #define APDS993X_PPERS_7 0x70 /* 7 consecutive proximity value out of range */ #define APDS993X_PPERS_8 0x80 /* 8 consecutive proximity value out of range */ #define APDS993X_PPERS_9 0x90 /* 9 consecutive proximity value out of range */ #define APDS993X_PPERS_10 0xA0 /* 10 consecutive proximity value out of range */ #define APDS993X_PPERS_11 0xB0 /* 11 consecutive proximity value out of range */ #define APDS993X_PPERS_12 0xC0 /* 12 consecutive proximity value out of range */ #define APDS993X_PPERS_13 0xD0 /* 13 consecutive proximity value out of range */ #define APDS993X_PPERS_14 0xE0 /* 14 consecutive proximity value out of range */ #define APDS993X_PPERS_15 0xF0 /* 15 consecutive proximity value out of range */ #define APDS993X_APERS_0 0x00 /* Every ADC cycle */ #define APDS993X_APERS_1 0x01 /* 1 consecutive proximity value out of range */ #define APDS993X_APERS_2 0x02 /* 2 consecutive proximity value out of range */ #define APDS993X_APERS_3 0x03 /* 3 consecutive proximity value out of range */ #define APDS993X_APERS_5 0x04 /* 5 consecutive proximity value out of range */ #define APDS993X_APERS_10 0x05 /* 10 consecutive proximity value out of range */ #define APDS993X_APERS_15 0x06 /* 15 consecutive proximity value out of range */ #define APDS993X_APERS_20 0x07 /* 20 consecutive proximity value out of range */ #define APDS993X_APERS_25 0x08 /* 25 consecutive proximity value out of range */ #define APDS993X_APERS_30 0x09 /* 30 consecutive proximity value out of range */ #define APDS993X_APERS_35 0x0A /* 35 consecutive proximity value out of range */ #define APDS993X_APERS_40 0x0B /* 40 consecutive proximity value out of range */ #define APDS993X_APERS_45 0x0C /* 45 consecutive proximity value out of range */ #define APDS993X_APERS_50 0x0D /* 50 consecutive proximity value out of range */ #define APDS993X_APERS_55 0x0E /* 55 consecutive proximity value out of range */ #define APDS993X_APERS_60 0x0F /* 60 consecutive proximity value out of range */ /* Register Value define : CONTROL */ #define APDS993X_AGAIN_1X 0x00 /* 1X ALS GAIN */ #define APDS993X_AGAIN_8X 0x01 /* 8X ALS GAIN */ #define APDS993X_AGAIN_16X 0x02 /* 16X ALS GAIN */ #define APDS993X_AGAIN_120X 0x03 /* 120X ALS GAIN */ #define APDS993X_PRX_IR_DIOD 0x20 /* Proximity uses CH1 diode */ #define APDS993X_PGAIN_1X 0x00 /* PS GAIN 1X */ #define APDS993X_PGAIN_2X 0x04 /* PS GAIN 2X */ #define APDS993X_PGAIN_4X 0x08 /* PS GAIN 4X */ #define APDS993X_PGAIN_8X 0x0C /* PS GAIN 8X */ #define APDS993X_PDRVIE_100MA 0x00 /* PS 100mA LED drive */ #define APDS993X_PDRVIE_50MA 0x40 /* PS 50mA LED drive */ #define APDS993X_PDRVIE_25MA 0x80 /* PS 25mA LED drive */ #define APDS993X_PDRVIE_12_5MA 0xC0 /* PS 12.5mA LED drive */ typedef enum { APDS993X_ALS_RES_10240 = 0, /* 27.2ms integration time */ APDS993X_ALS_RES_19456 = 1, /* 51.68ms integration time */ APDS993X_ALS_RES_37888 = 2 /* 100.64ms integration time