1 /* 2 * Copyright (c) 2022 T-Mobile USA, Inc. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef ZEPHYR_DRIVERS_SENSOR_TSL2540_TSL2540_H_ 8 #define ZEPHYR_DRIVERS_SENSOR_TSL2540_TSL2540_H_ 9 10 #include <zephyr/drivers/gpio.h> 11 #include <zephyr/drivers/i2c.h> 12 #include <zephyr/drivers/sensor.h> 13 #include <zephyr/drivers/sensor/tsl2540.h> 14 15 #define TSL2540_REG_ATIME 0x81 16 #define TSL2540_REG_WTIME 0x83 17 #define TSL2540_REG_AILT_LOW 0x84 18 #define TSL2540_REG_AILT_HI 0x85 19 #define TSL2540_REG_AIHT_LOW 0x86 20 #define TSL2540_REG_AIHT_HI 0x87 21 #define TSL2540_REG_PERS 0x8c 22 #define TSL2540_REG_CFG_0 0x8d 23 #define TSL2540_REG_CFG_1 0x90 24 #define TSL2540_REG_REVID 0x91 25 #define TSL2540_REG_ID 0x92 26 #define TSL2540_REG_STATUS 0x93 27 #define TSL2540_REG_VIS_LOW 0x94 28 #define TSL2540_REG_VIS_HI 0x95 29 #define TSL2540_REG_IR_LOW 0x96 30 #define TSL2540_REG_IR_HI 0x97 31 #define TSL2540_REG_REVID2 0x9E 32 #define TSL2540_REG_CFG_2 0x9f 33 34 #define TSL2540_AGAIN_S1_2 0.5 35 #define TSL2540_AGAIN_S1 1 36 #define TSL2540_AGAIN_S4 4 37 #define TSL2540_AGAIN_S16 16 38 #define TSL2540_AGAIN_S64 67 39 #define TSL2540_AGAIN_S128 140 40 41 #define TSL2540_CFG1_G1_2 0x00 42 #define TSL2540_CFG1_G1 0x00 43 #define TSL2540_CFG1_G4 0x01 44 #define TSL2540_CFG1_G16 0x02 45 #define TSL2540_CFG1_G64 0x03 46 #define TSL2540_CFG1_G128 0x03 47 48 #define TSL2540_CFG2_G1_2 0x00 49 #define TSL2540_CFG2_G1 0x04 50 #define TSL2540_CFG2_G4 0x04 51 #define TSL2540_CFG2_G16 0x04 52 #define TSL2540_CFG2_G64 0x04 53 #define TSL2540_CFG2_G128 0x14 54 55 /* ENABLE(0x80: 0x00): Reserved:7:4 | WEN:3 | Reserved:2 | AEN:1 | PON:0 */ 56 #define TSL2540_ENABLE_ADDR 0x80 57 #define TSL2540_ENABLE_MASK (BIT(3) | BIT(1) | BIT(0)) 58 #define TSL2540_ENABLE_CONF (BIT(3) | BIT(1) | BIT(0)) 59 #define TSL2540_ENABLE_AEN_PON (BIT(1) | BIT(0)) 60 #define TSL2540_ENABLE_DISABLE (0) 61 62 /* CRG3(0xAB: 0x0C): INT_READ_CLEAR:7 | Reserved:6:5 | SAI:4 | Reserved:3:0 */ 63 #define TSL2540_CFG3_ADDR 0xAB 64 #define TSL2540_CFG3_MASK (BIT(7) | BIT(4)) 65 #define TSL2540_CFG3_CONF (BIT(7) | BIT(4)) 66 #define TSL2540_CFG3_DFLT (0) 67 68 /* INTENAB(0xDD: 0x00): ASIEN:7 | Reserved:6:5 | AIEN:4 | Reserved:3:0 */ 69 #define TSL2540_INTENAB_ADDR 0xDD 70 #define TSL2540_INTENAB_MASK (BIT(7) | BIT(4)) 71 #define TSL2540_INTENAB_CONF (BIT(4)) 72 73 #define TSL2540_INT_EN_AEN 0x90 74 75 struct tsl2540_config { 76 const struct i2c_dt_spec i2c_spec; 77 #ifdef CONFIG_TSL2540_TRIGGER 78 const struct gpio_dt_spec int_gpio; 79 #endif 80 const uint32_t glass_attenuation; 81 const uint32_t glass_ir_attenuation; 82 }; 83 84 struct tsl2540_data { 85 const struct device *i2c; 86 struct k_sem sem; 87 #ifdef CONFIG_TSL2540_TRIGGER 88 const struct device *dev; 89 struct gpio_callback gpio_cb; 90 const struct sensor_trigger *als_trigger; 91 sensor_trigger_handler_t als_handler; 92 #endif 93 #ifdef CONFIG_TSL2540_TRIGGER_OWN_THREAD 94 K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_TSL2540_THREAD_STACK_SIZE); 95 struct k_thread thread; 96 struct k_sem trig_sem; 97 #endif 98 #ifdef CONFIG_TSL2540_TRIGGER_GLOBAL_THREAD 99 struct k_work work; 100 #endif 101 uint8_t enable_mode; 102 uint16_t count_vis; 103 uint16_t count_ir; 104 uint8_t integration_time; 105 double again; 106 }; 107 108 #ifdef CONFIG_TSL2540_TRIGGER 109 int tsl2540_trigger_init(const struct device *dev); 110 111 int tsl2540_trigger_set(const struct device *dev, const struct sensor_trigger *trig, 112 sensor_trigger_handler_t handler); 113 #endif 114 115 #endif 116
