1 /* 2 * Copyright (c) 2020 Richard Osterloh 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef ZEPHYR_DRIVERS_SENSOR_VCNL4040_VCNL4040_H_ 8 #define ZEPHYR_DRIVERS_SENSOR_VCNL4040_VCNL4040_H_ 9 10 #include <zephyr/drivers/sensor.h> 11 #include <zephyr/drivers/i2c.h> 12 #include <zephyr/drivers/gpio.h> 13 #include <zephyr/kernel.h> 14 15 /* Registers all 16 bits */ 16 #define VCNL4040_REG_ALS_CONF 0x00 17 #define VCNL4040_REG_ALS_THDH 0x01 18 #define VCNL4040_REG_ALS_THDL 0x02 19 #define VCNL4040_REG_PS_CONF 0x03 20 #define VCNL4040_REG_PS_MS 0x04 21 #define VCNL4040_REG_PS_CANC 0x05 22 #define VCNL4040_REG_PS_THDL 0x06 23 #define VCNL4040_REG_PS_THDH 0x07 24 #define VCNL4040_REG_PS_DATA 0x08 25 #define VCNL4040_REG_ALS_DATA 0x09 26 #define VCNL4040_REG_WHITE_DATA 0x0A 27 #define VCNL4040_REG_INT_FLAG 0x0B 28 #define VCNL4040_REG_DEVICE_ID 0x0C 29 30 #define VCNL4040_RW_REG_COUNT 0x08 /* [0x00, 0x07] */ 31 32 #define VCNL4040_DEFAULT_ID 0x0186 33 34 #define VCNL4040_LED_I_POS 8 35 #define VCNL4040_PS_HD_POS 11 36 #define VCNL4040_PS_HD_MASK BIT(VCNL4040_PS_HD_POS) 37 #define VCNL4040_PS_DUTY_POS 6 38 #define VCNL4040_PS_IT_POS 1 39 #define VCNL4040_PS_SD_POS 0 40 #define VCNL4040_PS_SD_MASK BIT(VCNL4040_PS_SD_POS) 41 #define VCNL4040_ALS_IT_POS 6 42 #define VCNL4040_ALS_INT_EN_POS 1 43 #define VCNL4040_ALS_INT_EN_MASK BIT(VCNL4040_ALS_INT_EN_POS) 44 #define VCNL4040_ALS_SD_POS 0 45 #define VCNL4040_ALS_SD_MASK BIT(VCNL4040_ALS_SD_POS) 46 47 enum led_current { 48 VCNL4040_LED_CURRENT_50MA, 49 VCNL4040_LED_CURRENT_75MA, 50 VCNL4040_LED_CURRENT_100MA, 51 VCNL4040_LED_CURRENT_120MA, 52 VCNL4040_LED_CURRENT_140MA, 53 VCNL4040_LED_CURRENT_160MA, 54 VCNL4040_LED_CURRENT_180MA, 55 VCNL4040_LED_CURRENT_200MA, 56 }; 57 58 enum led_duty_cycle { 59 VCNL4040_LED_DUTY_1_40, 60 VCNL4040_LED_DUTY_1_80, 61 VCNL4040_LED_DUTY_1_160, 62 VCNL4040_LED_DUTY_1_320, 63 }; 64 65 enum ambient_integration_time { 66 VCNL4040_AMBIENT_INTEGRATION_TIME_80MS, 67 VCNL4040_AMBIENT_INTEGRATION_TIME_160MS, 68 VCNL4040_AMBIENT_INTEGRATION_TIME_320MS, 69 VCNL4040_AMBIENT_INTEGRATION_TIME_640MS, 70 }; 71 72 enum proximity_integration_time { 73 VCNL4040_PROXIMITY_INTEGRATION_TIME_1T, 74 VCNL4040_PROXIMITY_INTEGRATION_TIME_1_5T, 75 VCNL4040_PROXIMITY_INTEGRATION_TIME_2T, 76 VCNL4040_PROXIMITY_INTEGRATION_TIME_2_5T, 77 VCNL4040_PROXIMITY_INTEGRATION_TIME_3T, 78 VCNL4040_PROXIMITY_INTEGRATION_TIME_3_5T, 79 VCNL4040_PROXIMITY_INTEGRATION_TIME_4T, 80 VCNL4040_PROXIMITY_INTEGRATION_TIME_8T, 81 }; 82 83 enum proximity_type { 84 VCNL4040_PROXIMITY_INT_DISABLE, 85 VCNL4040_PROXIMITY_INT_CLOSE, 86 VCNL4040_PROXIMITY_INT_AWAY, 87 VCNL4040_PROXIMITY_INT_CLOSE_AWAY, 88 }; 89 90 enum interrupt_type { 91 VCNL4040_PROXIMITY_AWAY = 1, 92 VCNL4040_PROXIMITY_CLOSE, 93 VCNL4040_AMBIENT_HIGH = 4, 94 VCNL4040_AMBIENT_LOW, 95 }; 96 97 struct vcnl4040_config { 98 struct i2c_dt_spec i2c; 99 #ifdef CONFIG_VCNL4040_TRIGGER 100 struct gpio_dt_spec int_gpio; 101 #endif 102 enum led_current led_i; 103 enum led_duty_cycle led_dc; 104 enum ambient_integration_time als_it; 105 enum proximity_integration_time proxy_it; 106 enum proximity_type proxy_type; 107 }; 108 109 struct vcnl4040_data { 110 struct k_mutex mutex; 111 #ifdef CONFIG_VCNL4040_TRIGGER 112 const struct device *dev; 113 struct gpio_callback gpio_cb; 114 enum interrupt_type int_type; 115 sensor_trigger_handler_t proxy_handler; 116 const struct sensor_trigger *proxy_trigger; 117 sensor_trigger_handler_t als_handler; 118 const struct sensor_trigger *als_trigger; 119 #endif 120 #ifdef CONFIG_VCNL4040_TRIGGER_OWN_THREAD 121 K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_VCNL4040_THREAD_STACK_SIZE); 122 struct k_thread thread; 123 struct k_sem trig_sem; 124 #endif 125 #ifdef CONFIG_VCNL4040_TRIGGER_GLOBAL_THREAD 126 struct k_work work; 127 #endif 128 uint16_t proximity; 129 uint16_t light; 130 float sensitivity; 131 }; 132 133 int vcnl4040_read(const struct device *dev, uint8_t reg, uint16_t *out); 134 int vcnl4040_write(const struct device *dev, uint8_t reg, uint16_t value); 135 136 #ifdef CONFIG_VCNL4040_TRIGGER 137 int vcnl4040_trigger_init(const struct device *dev); 138 139 int vcnl4040_attr_set(const struct device *dev, 140 enum sensor_channel chan, 141 enum sensor_attribute attr, 142 const struct sensor_value *val); 143 144 int vcnl4040_trigger_set(const struct device *dev, 145 const struct sensor_trigger *trig, 146 sensor_trigger_handler_t handler); 147 #endif 148 149 #endif 150
