blob: 662573f9a2aab8d34242b4a5f4d27caa06771d13 [file] [log] [blame]
/* sensor_isl29035.h - header file for ISL29035 light sensor driver */
/*
* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef _SENSOR_ISL29035_H_
#define _SENSOR_ISL29035_H_
#include <device.h>
#include <kernel.h>
#include <sensor.h>
#include <gpio.h>
#define ISL29035_I2C_ADDRESS 0x44
#define ISL29035_COMMAND_I_REG 0x00
#define ISL29035_OPMODE_SHIFT 5
#define ISL29035_OPMODE_MASK (7 << ISL29035_OPMODE_SHIFT)
#define ISL29035_INT_BIT_SHIFT 2
#define ISL29035_INT_BIT_MASK (1 << ISL29035_INT_BIT_SHIFT)
#define ISL29035_INT_PRST_SHIFT 0
#define ISL29035_INT_PRST_MASK (3 << ISL29035_INT_BIT_SHIFT)
#define ISL29035_OPMODE_OFF 0
#define ISL29035_OPMODE_ALS_ONCE 1
#define ISL29035_OPMODE_IR_ONCE 2
#define ISL29035_OPMODE_ALS_CONT 5
#define ISL29035_OPMODE_IR_CONT 6
#define ISL29035_COMMAND_II_REG 0x01
#define ISL29035_LUX_RANGE_SHIFT 0
#define ISL29035_LUX_RANGE_MASK (3 << ISL29035_LUX_RANGE_SHIFT)
#define ISL29035_ADC_RES_SHIFT 2
#define ISL29035_ADC_RES_MASK (3 << ISL29035_ADC_RES_SHIFT)
#define ISL29035_DATA_LSB_REG 0x02
#define ISL29035_DATA_MSB_REG 0x03
#define ISL29035_INT_LT_LSB_REG 0x04
#define ISL29035_INT_LT_MSB_REG 0x05
#define ISL29035_INT_HT_LSB_REG 0x06
#define ISL29035_INT_HT_MSB_REG 0x07
#define ISL29035_ID_REG 0x0F
#define ISL29035_BOUT_SHIFT 7
#define ISL29035_BOUT_MASK (1 << ISL29035_BOUT_SHIFT)
#define ISL29035_ID_SHIFT 3
#define ISL29035_ID_MASK (3 << ISL29035_ID_SHIFT)
#if CONFIG_ISL29035_MODE_ALS
#define ISL29035_ACTIVE_OPMODE ISL29035_OPMODE_ALS_CONT
#define ISL29035_ACTIVE_CHAN SENSOR_CHAN_LIGHT
#elif CONFIG_ISL29035_MODE_IR
#define ISL29035_ACTIVE_OPMODE ISL29035_OPMODE_IR_CONT
#define ISL29035_ACTIVE_CHAN SENSOR_CHAN_IR
#endif
#define ISL29035_ACTIVE_OPMODE_BITS \
(ISL29035_ACTIVE_OPMODE << ISL29035_OPMODE_SHIFT)
#if CONFIG_ISL29035_LUX_RANGE_1K
#define ISL29035_LUX_RANGE_IDX 0
#define ISL29035_LUX_RANGE 1000
#elif CONFIG_ISL29035_LUX_RANGE_4K
#define ISL29035_LUX_RANGE_IDX 1
#define ISL29035_LUX_RANGE 4000
#elif CONFIG_ISL29035_LUX_RANGE_16K
#define ISL29035_LUX_RANGE_IDX 2
#define ISL29035_LUX_RANGE 16000
#elif CONFIG_ISL29035_LUX_RANGE_64K
#define ISL29035_LUX_RANGE_IDX 3
#define ISL29035_LUX_RANGE 64000
#endif
#define ISL29035_LUX_RANGE_BITS \
(ISL29035_LUX_RANGE_IDX << ISL29035_LUX_RANGE_SHIFT)
#if CONFIG_ISL29035_INTEGRATION_TIME_26
#define ISL29035_ADC_RES_IDX 3
#elif CONFIG_ISL29035_INTEGRATION_TIME_410
#define ISL29035_ADC_RES_IDX 2
#elif CONFIG_ISL29035_INTEGRATION_TIME_6500
#define ISL29035_ADC_RES_IDX 1
#elif CONFIG_ISL29035_INTEGRATION_TIME_105K
#define ISL29035_ADC_RES_IDX 0
#endif
#define ISL29035_ADC_RES_BITS \
(ISL29035_ADC_RES_IDX << ISL29035_ADC_RES_SHIFT)
#define ISL29035_ADC_DATA_BITS (16 - 4 * ISL29035_ADC_RES_IDX)
#define ISL29035_ADC_DATA_MASK (0xFFFF >> (16 - ISL29035_ADC_DATA_BITS))
#if CONFIG_ISL29035_INT_PERSIST_1
#define ISL29035_INT_PRST_IDX 0
#define ISL29035_INT_PRST_CYCLES 1
#elif CONFIG_ISL29035_INT_PERSIST_4
#define ISL29035_INT_PRST_IDX 1
#define ISL29035_INT_PRST_CYCLES 4
#elif CONFIG_ISL29035_INT_PERSIST_8
#define ISL29035_INT_PRST_IDX 2
#define ISL29035_INT_PRST_CYCLES 8
#elif CONFIG_ISL29035_INT_PERSIST_16
#define ISL29035_INT_PRST_IDX 3
#define ISL29035_INT_PRST_CYCLES 16
#endif
#define ISL29035_INT_PRST_BITS \
(ISL29035_INT_PRST_IDX << ISL29035_INT_PRST_SHIFT)
struct isl29035_driver_data {
struct device *i2c;
u16_t data_sample;
#if CONFIG_ISL29035_TRIGGER
struct device *gpio;
struct gpio_callback gpio_cb;
struct sensor_trigger th_trigger;
sensor_trigger_handler_t th_handler;
#if defined(CONFIG_ISL29035_TRIGGER_OWN_THREAD)
K_THREAD_STACK_MEMBER(thread_stack, CONFIG_ISL29035_THREAD_STACK_SIZE);
struct k_thread thread;
struct k_sem gpio_sem;
#elif defined(CONFIG_ISL29035_TRIGGER_GLOBAL_THREAD)
struct k_work work;
struct device *dev;
#endif
#endif /* CONFIG_ISL29035_TRIGGER */
};
#ifdef CONFIG_ISL29035_TRIGGER
int isl29035_attr_set(struct device *dev,
enum sensor_channel chan,
enum sensor_attribute attr,
const struct sensor_value *val);
int isl29035_trigger_set(struct device *dev,
const struct sensor_trigger *trig,
sensor_trigger_handler_t handler);
int isl29035_init_interrupt(struct device *dev);
#endif
#define SYS_LOG_DOMAIN "ISL29035"
#define SYS_LOG_LEVEL CONFIG_SYS_LOG_SENSOR_LEVEL
#include <logging/sys_log.h>
#endif /* _SENSOR_ISL29035_H_ */