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/*
* Copyright (c) 2020 Richard Osterloh
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_SENSOR_VCNL4040_VCNL4040_H_
#define ZEPHYR_DRIVERS_SENSOR_VCNL4040_VCNL4040_H_
#include <zephyr/drivers/sensor.h>
#include <zephyr/drivers/i2c.h>
#include <zephyr/drivers/gpio.h>
/* Registers all 16 bits */
#define VCNL4040_REG_ALS_CONF 0x00
#define VCNL4040_REG_ALS_THDH 0x01
#define VCNL4040_REG_ALS_THDL 0x02
#define VCNL4040_REG_PS_CONF 0x03
#define VCNL4040_REG_PS_MS 0x04
#define VCNL4040_REG_PS_CANC 0x05
#define VCNL4040_REG_PS_THDL 0x06
#define VCNL4040_REG_PS_THDH 0x07
#define VCNL4040_REG_PS_DATA 0x08
#define VCNL4040_REG_ALS_DATA 0x09
#define VCNL4040_REG_WHITE_DATA 0x0A
#define VCNL4040_REG_INT_FLAG 0x0B
#define VCNL4040_REG_DEVICE_ID 0x0C
#define VCNL4040_DEFAULT_ID 0x0186
#define VCNL4040_LED_I_POS 8
#define VCNL4040_PS_HD_POS 11
#define VCNL4040_PS_HD_MASK (0x01 << VCNL4040_PS_HD_POS)
#define VCNL4040_PS_DUTY_POS 6
#define VCNL4040_PS_IT_POS 1
#define VCNL4040_PS_SD_POS 0
#define VCNL4040_PS_SD_MASK (0x01 << VCNL4040_PS_SD_POS)
#define VCNL4040_ALS_IT_POS 6
#define VCNL4040_ALS_SD_POS 0
#define VCNL4040_ALS_SD_MASK (0x01 << VCNL4040_ALS_SD_POS)
enum led_current {
VCNL4040_LED_CURRENT_50MA,
VCNL4040_LED_CURRENT_75MA,
VCNL4040_LED_CURRENT_100MA,
VCNL4040_LED_CURRENT_120MA,
VCNL4040_LED_CURRENT_140MA,
VCNL4040_LED_CURRENT_160MA,
VCNL4040_LED_CURRENT_180MA,
VCNL4040_LED_CURRENT_200MA,
};
enum led_duty_cycle {
VCNL4040_LED_DUTY_1_40,
VCNL4040_LED_DUTY_1_80,
VCNL4040_LED_DUTY_1_160,
VCNL4040_LED_DUTY_1_320,
};
enum ambient_integration_time {
VCNL4040_AMBIENT_INTEGRATION_TIME_80MS,
VCNL4040_AMBIENT_INTEGRATION_TIME_160MS,
VCNL4040_AMBIENT_INTEGRATION_TIME_320MS,
VCNL4040_AMBIENT_INTEGRATION_TIME_640MS,
};
enum proximity_integration_time {
VCNL4040_PROXIMITY_INTEGRATION_TIME_1T,
VCNL4040_PROXIMITY_INTEGRATION_TIME_1_5T,
VCNL4040_PROXIMITY_INTEGRATION_TIME_2T,
VCNL4040_PROXIMITY_INTEGRATION_TIME_2_5T,
VCNL4040_PROXIMITY_INTEGRATION_TIME_3T,
VCNL4040_PROXIMITY_INTEGRATION_TIME_3_5T,
VCNL4040_PROXIMITY_INTEGRATION_TIME_4T,
VCNL4040_PROXIMITY_INTEGRATION_TIME_8T,
};
enum proximity_type {
VCNL4040_PROXIMITY_INT_DISABLE,
VCNL4040_PROXIMITY_INT_CLOSE,
VCNL4040_PROXIMITY_INT_AWAY,
VCNL4040_PROXIMITY_INT_CLOSE_AWAY,
};
enum interrupt_type {
VCNL4040_PROXIMITY_AWAY = 1,
VCNL4040_PROXIMITY_CLOSE,
VCNL4040_AMBIENT_HIGH = 4,
VCNL4040_AMBIENT_LOW,
};
struct vcnl4040_config {
char *i2c_name;
uint8_t i2c_address;
#ifdef CONFIG_VCNL4040_TRIGGER
const char *gpio_name;
gpio_pin_t gpio_pin;
gpio_dt_flags_t gpio_flags;
#endif
enum led_current led_i;
enum led_duty_cycle led_dc;
enum ambient_integration_time als_it;
enum proximity_integration_time proxy_it;
enum proximity_type proxy_type;
};
struct vcnl4040_data {
const struct device *i2c;
struct k_sem sem;
#ifdef CONFIG_VCNL4040_TRIGGER
const struct device *dev;
const struct device *gpio;
uint8_t gpio_pin;
struct gpio_callback gpio_cb;
enum interrupt_type int_type;
sensor_trigger_handler_t proxy_handler;
sensor_trigger_handler_t als_handler;
#endif
#ifdef CONFIG_VCNL4040_TRIGGER_OWN_THREAD
K_THREAD_STACK_MEMBER(thread_stack, CONFIG_VCNL4040_THREAD_STACK_SIZE);
struct k_thread thread;
struct k_sem trig_sem;
#endif
#ifdef CONFIG_VCNL4040_TRIGGER_GLOBAL_THREAD
struct k_work work;
#endif
uint16_t proximity;
uint16_t light;
float sensitivity;
};
int vcnl4040_read(const struct device *dev, uint8_t reg, uint16_t *out);
int vcnl4040_write(const struct device *dev, uint8_t reg, uint16_t value);
#ifdef CONFIG_VCNL4040_TRIGGER
int vcnl4040_trigger_init(const struct device *dev);
int vcnl4040_attr_set(const struct device *dev,
enum sensor_channel chan,
enum sensor_attribute attr,
const struct sensor_value *val);
int vcnl4040_trigger_set(const struct device *dev,
const struct sensor_trigger *trig,
sensor_trigger_handler_t handler);
#endif
#endif