1 /* sensor_isl29035.h - header file for ISL29035 light sensor driver */ 2 3 /* 4 * Copyright (c) 2016 Intel Corporation 5 * 6 * SPDX-License-Identifier: Apache-2.0 7 */ 8 9 #ifndef ZEPHYR_DRIVERS_SENSOR_ISL29035_ISL29035_H_ 10 #define ZEPHYR_DRIVERS_SENSOR_ISL29035_ISL29035_H_ 11 12 #include <zephyr/device.h> 13 #include <zephyr/kernel.h> 14 #include <zephyr/drivers/sensor.h> 15 #include <zephyr/drivers/i2c.h> 16 #include <zephyr/drivers/gpio.h> 17 18 #define ISL29035_COMMAND_I_REG 0x00 19 #define ISL29035_OPMODE_SHIFT 5 20 #define ISL29035_OPMODE_MASK (7 << ISL29035_OPMODE_SHIFT) 21 #define ISL29035_INT_BIT_SHIFT 2 22 #define ISL29035_INT_BIT_MASK (1 << ISL29035_INT_BIT_SHIFT) 23 #define ISL29035_INT_PRST_SHIFT 0 24 #define ISL29035_INT_PRST_MASK (3 << ISL29035_INT_BIT_SHIFT) 25 26 #define ISL29035_OPMODE_OFF 0 27 #define ISL29035_OPMODE_ALS_ONCE 1 28 #define ISL29035_OPMODE_IR_ONCE 2 29 #define ISL29035_OPMODE_ALS_CONT 5 30 #define ISL29035_OPMODE_IR_CONT 6 31 32 #define ISL29035_COMMAND_II_REG 0x01 33 #define ISL29035_LUX_RANGE_SHIFT 0 34 #define ISL29035_LUX_RANGE_MASK (3 << ISL29035_LUX_RANGE_SHIFT) 35 #define ISL29035_ADC_RES_SHIFT 2 36 #define ISL29035_ADC_RES_MASK (3 << ISL29035_ADC_RES_SHIFT) 37 38 #define ISL29035_DATA_LSB_REG 0x02 39 #define ISL29035_DATA_MSB_REG 0x03 40 #define ISL29035_INT_LT_LSB_REG 0x04 41 #define ISL29035_INT_LT_MSB_REG 0x05 42 #define ISL29035_INT_HT_LSB_REG 0x06 43 #define ISL29035_INT_HT_MSB_REG 0x07 44 45 #define ISL29035_ID_REG 0x0F 46 #define ISL29035_BOUT_SHIFT 7 47 #define ISL29035_BOUT_MASK (1 << ISL29035_BOUT_SHIFT) 48 #define ISL29035_ID_SHIFT 3 49 #define ISL29035_ID_MASK (3 << ISL29035_ID_SHIFT) 50 51 #if CONFIG_ISL29035_MODE_ALS 52 #define ISL29035_ACTIVE_OPMODE ISL29035_OPMODE_ALS_CONT 53 #define ISL29035_ACTIVE_CHAN SENSOR_CHAN_LIGHT 54 #elif CONFIG_ISL29035_MODE_IR 55 #define ISL29035_ACTIVE_OPMODE ISL29035_OPMODE_IR_CONT 56 #define ISL29035_ACTIVE_CHAN SENSOR_CHAN_IR 57 #endif 58 59 #define ISL29035_ACTIVE_OPMODE_BITS \ 60 (ISL29035_ACTIVE_OPMODE << ISL29035_OPMODE_SHIFT) 61 62 #if CONFIG_ISL29035_LUX_RANGE_1K 63 #define ISL29035_LUX_RANGE_IDX 0 64 #define ISL29035_LUX_RANGE 1000 65 #elif CONFIG_ISL29035_LUX_RANGE_4K 66 #define ISL29035_LUX_RANGE_IDX 1 67 #define ISL29035_LUX_RANGE 4000 68 #elif CONFIG_ISL29035_LUX_RANGE_16K 69 #define ISL29035_LUX_RANGE_IDX 2 70 #define ISL29035_LUX_RANGE 16000 71 #elif CONFIG_ISL29035_LUX_RANGE_64K 72 #define ISL29035_LUX_RANGE_IDX 3 73 #define ISL29035_LUX_RANGE 64000 74 #endif 75 76 #define ISL29035_LUX_RANGE_BITS \ 77 (ISL29035_LUX_RANGE_IDX << ISL29035_LUX_RANGE_SHIFT) 78 79 #if CONFIG_ISL29035_INTEGRATION_TIME_26 80 #define ISL29035_ADC_RES_IDX 3 81 #elif CONFIG_ISL29035_INTEGRATION_TIME_410 82 #define ISL29035_ADC_RES_IDX 2 83 #elif CONFIG_ISL29035_INTEGRATION_TIME_6500 84 #define ISL29035_ADC_RES_IDX 1 85 #elif CONFIG_ISL29035_INTEGRATION_TIME_105K 86 #define ISL29035_ADC_RES_IDX 0 87 #endif 88 89 #define ISL29035_ADC_RES_BITS \ 90 (ISL29035_ADC_RES_IDX << ISL29035_ADC_RES_SHIFT) 91 92 #define ISL29035_ADC_DATA_BITS (16 - 4 * ISL29035_ADC_RES_IDX) 93 #define ISL29035_ADC_DATA_MASK (0xFFFF >> (16 - ISL29035_ADC_DATA_BITS)) 94 95 #if CONFIG_ISL29035_INT_PERSIST_1 96 #define ISL29035_INT_PRST_IDX 0 97 #define ISL29035_INT_PRST_CYCLES 1 98 #elif CONFIG_ISL29035_INT_PERSIST_4 99 #define ISL29035_INT_PRST_IDX 1 100 #define ISL29035_INT_PRST_CYCLES 4 101 #elif CONFIG_ISL29035_INT_PERSIST_8 102 #define ISL29035_INT_PRST_IDX 2 103 #define ISL29035_INT_PRST_CYCLES 8 104 #elif CONFIG_ISL29035_INT_PERSIST_16 105 #define ISL29035_INT_PRST_IDX 3 106 #define ISL29035_INT_PRST_CYCLES 16 107 #endif 108 109 #define ISL29035_INT_PRST_BITS \ 110 (ISL29035_INT_PRST_IDX << ISL29035_INT_PRST_SHIFT) 111 112 struct isl29035_driver_data { 113 uint16_t data_sample; 114 115 #if CONFIG_ISL29035_TRIGGER 116 const struct device *dev; 117 struct gpio_callback gpio_cb; 118 119 const struct sensor_trigger *th_trigger; 120 sensor_trigger_handler_t th_handler; 121 122 #if defined(CONFIG_ISL29035_TRIGGER_OWN_THREAD) 123 K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_ISL29035_THREAD_STACK_SIZE); 124 struct k_thread thread; 125 struct k_sem gpio_sem; 126 #elif defined(CONFIG_ISL29035_TRIGGER_GLOBAL_THREAD) 127 struct k_work work; 128 #endif 129 130 #endif /* CONFIG_ISL29035_TRIGGER */ 131 }; 132 133 struct isl29035_config { 134 struct i2c_dt_spec i2c; 135 #if CONFIG_ISL29035_TRIGGER 136 struct gpio_dt_spec int_gpio; 137 #endif 138 }; 139 140 #ifdef CONFIG_ISL29035_TRIGGER 141 int isl29035_attr_set(const struct device *dev, 142 enum sensor_channel chan, 143 enum sensor_attribute attr, 144 const struct sensor_value *val); 145 146 int isl29035_trigger_set(const struct device *dev, 147 const struct sensor_trigger *trig, 148 sensor_trigger_handler_t handler); 149 150 int isl29035_init_interrupt(const struct device *dev); 151 #endif 152 153 #endif /* ZEPHYR_DRIVERS_SENSOR_ISL29035_ISL29035_H_ */ 154
