/* * Copyright (c) 2017 Intel Corporation * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_DRIVERS_SENSOR_LIS2DH_LIS2DH_H_ #define ZEPHYR_DRIVERS_SENSOR_LIS2DH_LIS2DH_H_ #include #include #include #include #include #include #include #define LIS2DH_REG_WAI 0x0f #define LIS2DH_CHIP_ID 0x33 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) #include #endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) */ #if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) #include #endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) */ #define LIS2DH_AUTOINCREMENT_ADDR BIT(7) #define LIS2DH_REG_CTRL0 0x1e #define LIS2DH_SDO_PU_DISC_SHIFT 7 #define LIS2DH_SDO_PU_DISC_MASK BIT(LIS2DH_SDO_PU_DISC_SHIFT) #define LIS2DH_REG_CTRL1 0x20 #define LIS2DH_ACCEL_XYZ_SHIFT 0 #define LIS2DH_ACCEL_X_EN_BIT BIT(0) #define LIS2DH_ACCEL_Y_EN_BIT BIT(1) #define LIS2DH_ACCEL_Z_EN_BIT BIT(2) #define LIS2DH_ACCEL_EN_BITS (LIS2DH_ACCEL_X_EN_BIT | \ LIS2DH_ACCEL_Y_EN_BIT | \ LIS2DH_ACCEL_Z_EN_BIT) #define LIS2DH_ACCEL_XYZ_MASK BIT_MASK(3) #define LIS2DH_LP_EN_BIT_MASK BIT(3) #if defined(CONFIG_LIS2DH_OPER_MODE_LOW_POWER) #define LIS2DH_LP_EN_BIT BIT(3) #else #define LIS2DH_LP_EN_BIT 0 #endif #define LIS2DH_SUSPEND 0 #define LIS2DH_ODR_1 1 #define LIS2DH_ODR_2 2 #define LIS2DH_ODR_3 3 #define LIS2DH_ODR_4 4 #define LIS2DH_ODR_5 5 #define LIS2DH_ODR_6 6 #define LIS2DH_ODR_7 7 #define LIS2DH_ODR_8 8 #define LIS2DH_ODR_9 9 #if defined(CONFIG_LIS2DH_ODR_1) #define LIS2DH_ODR_IDX LIS2DH_ODR_1 #elif defined(CONFIG_LIS2DH_ODR_2) #define LIS2DH_ODR_IDX LIS2DH_ODR_2 #elif defined(CONFIG_LIS2DH_ODR_3) #define LIS2DH_ODR_IDX LIS2DH_ODR_3 #elif defined(CONFIG_LIS2DH_ODR_4) || defined(CONFIG_LIS2DH_ODR_RUNTIME) #define LIS2DH_ODR_IDX LIS2DH_ODR_4 #elif defined(CONFIG_LIS2DH_ODR_5) #define LIS2DH_ODR_IDX LIS2DH_ODR_5 #elif defined(CONFIG_LIS2DH_ODR_6) #define LIS2DH_ODR_IDX LIS2DH_ODR_6 #elif defined(CONFIG_LIS2DH_ODR_7) #define LIS2DH_ODR_IDX LIS2DH_ODR_7 #elif defined(CONFIG_LIS2DH_ODR_8) #define LIS2DH_ODR_IDX LIS2DH_ODR_8 #elif defined(CONFIG_LIS2DH_ODR_9_NORMAL) || defined(CONFIG_LIS2DH_ODR_9_LOW) #define LIS2DH_ODR_IDX LIS2DH_ODR_9 #endif #define LIS2DH_ODR_SHIFT 4 #define LIS2DH_ODR_RATE(r) ((r) << LIS2DH_ODR_SHIFT) #define LIS2DH_ODR_BITS (LIS2DH_ODR_RATE(LIS2DH_ODR_IDX)) #define LIS2DH_ODR_MASK (BIT_MASK(4) << LIS2DH_ODR_SHIFT) #define LIS2DH_REG_CTRL2 0x21 #define LIS2DH_HPIS2_EN_BIT BIT(1) #define LIS2DH_FDS_EN_BIT BIT(3) #define LIS2DH_REG_CTRL3 0x22 #define LIS2DH_EN_DRDY1_INT1_SHIFT 4 #define LIS2DH_EN_DRDY1_INT1 BIT(LIS2DH_EN_DRDY1_INT1_SHIFT) #define LIS2DH_REG_CTRL4 0x23 #define LIS2DH_FS_SHIFT 4 #define LIS2DH_FS_MASK (BIT_MASK(2) << LIS2DH_FS_SHIFT) #if defined(CONFIG_LIS2DH_ACCEL_RANGE_2G) ||\ defined(CONFIG_LIS2DH_ACCEL_RANGE_RUNTIME) #define LIS2DH_FS_IDX 0 #elif defined(CONFIG_LIS2DH_ACCEL_RANGE_4G) #define LIS2DH_FS_IDX 1 #elif defined(CONFIG_LIS2DH_ACCEL_RANGE_8G) #define LIS2DH_FS_IDX 2 #elif defined(CONFIG_LIS2DH_ACCEL_RANGE_16G) #define LIS2DH_FS_IDX 3 #endif #define LIS2DH_FS_SELECT(fs) ((fs) << LIS2DH_FS_SHIFT) #define LIS2DH_FS_BITS (LIS2DH_FS_SELECT(LIS2DH_FS_IDX)) #if defined(CONFIG_LIS2DH_OPER_MODE_HIGH_RES) #define LIS2DH_HR_BIT BIT(3) #else #define LIS2DH_HR_BIT 0 #endif #define LIS2DH_REG_CTRL5 0x24 #define LIS2DH_LIR_INT2_SHIFT 1 #define LIS2DH_LIR_INT1_SHIFT 3 #define LIS2DH_EN_LIR_INT2 BIT(LIS2DH_LIR_INT2_SHIFT) #define LIS2DH_EN_LIR_INT1 BIT(LIS2DH_LIR_INT1_SHIFT) #define LIS2DH_REG_CTRL6 0x25 #define LIS2DH_EN_INT2_INT2_SHIFT 5 #define LIS2DH_EN_INT2_INT2 BIT(LIS2DH_EN_INT2_INT2_SHIFT) #define LIS2DH_EN_INT1_INT1_SHIFT 6 #define LIS2DH_EN_INT1_INT1 BIT(LIS2DH_EN_INT1_INT1_SHIFT) #define LIS2DH_REG_REFERENCE 0x26 #define LIS2DH_REG_STATUS 0x27 #define LIS2DH_STATUS_ZYZ_OVR BIT(7) #define LIS2DH_STATUS_Z_OVR BIT(6) #define LIS2DH_STATUS_Y_OVR BIT(5) #define LIS2DH_STATUS_X_OVR BIT(4) #define LIS2DH_STATUS_OVR_MASK (BIT_MASK(4) << 4) #define LIS2DH_STATUS_ZYX_DRDY BIT(3) #define LIS2DH_STATUS_Z_DRDY BIT(2) #define LIS2DH_STATUS_Y_DRDY BIT(1) #define LIS2DH_STATUS_X_DRDY BIT(0) #define LIS2DH_STATUS_DRDY_MASK BIT_MASK(4) #define LIS2DH_REG_ACCEL_X_LSB 0x28 #define LIS2DH_REG_ACCEL_Y_LSB 0x2A #define LIS2DH_REG_ACCEL_Z_LSB 0x2C #define LIS2DH_REG_ACCEL_X_MSB 0x29 #define LIS2DH_REG_ACCEL_Y_MSB 0x2B #define LIS2DH_REG_ACCEL_Z_MSB 0x2D #define LIS2DH_REG_INT1_CFG 0x30 #define LIS2DH_REG_INT1_SRC 0x31 #define LIS2DH_REG_INT1_THS 0x32 #define LIS2DH_REG_INT1_DUR 0x33 #define LIS2DH_REG_INT2_CFG 0x34 #define LIS2DH_REG_INT2_SRC 0x35 #define LIS2DH_REG_INT2_THS 0x36 #define LIS2DH_REG_INT2_DUR 0x37 #define LIS2DH_AOI_CFG BIT(7) #define LIS2DH_INT_CFG_ZHIE_ZUPE BIT(5) #define LIS2DH_INT_CFG_ZLIE_ZDOWNE BIT(4) #define LIS2DH_INT_CFG_YHIE_YUPE BIT(3) #define LIS2DH_INT_CFG_YLIE_YDOWNE BIT(2) #define LIS2DH_INT_CFG_XHIE_XUPE BIT(1) #define LIS2DH_INT_CFG_XLIE_XDOWNE BIT(0) /* sample buffer size includes status register */ #define LIS2DH_BUF_SZ 7 #define LIS2DH_CTRL4_BDU_BIT BIT(7) union lis2dh_sample { uint8_t raw[LIS2DH_BUF_SZ]; struct { uint8_t status; int16_t xyz[3]; } __packed; }; union lis2dh_bus_cfg { #if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) struct i2c_dt_spec i2c; #endif #if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) struct spi_dt_spec spi; #endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) */ }; struct temperature { uint8_t cfg_addr; uint8_t enable_mask; uint8_t dout_addr; uint8_t fractional_bits; }; struct lis2dh_config { int (*bus_init)(const struct device *dev); const union lis2dh_bus_cfg bus_cfg; #ifdef CONFIG_LIS2DH_TRIGGER const struct gpio_dt_spec gpio_drdy; const struct gpio_dt_spec gpio_int; #endif /* CONFIG_LIS2DH_TRIGGER */ struct { bool is_lsm303agr_dev : 1; bool disc_pull_up : 1; bool anym_on_int1 : 1; } hw; #ifdef CONFIG_LIS2DH_MEASURE_TEMPERATURE const struct temperature temperature; #endif }; struct lis2dh_transfer_function { int (*read_data)(const struct device *dev, uint8_t reg_addr, uint8_t *value, uint8_t len); int (*write_data)(const struct device *dev, uint8_t reg_addr, uint8_t *value, uint8_t len); int (*read_reg)(const struct device *dev, uint8_t reg_addr, uint8_t *value); int (*write_reg)(const struct device *dev, uint8_t reg_addr, uint8_t value); int (*update_reg)(const struct device *dev, uint8_t reg_addr, uint8_t mask, uint8_t value); }; struct lis2dh_data { const struct device *bus; const struct lis2dh_transfer_function *hw_tf; union lis2dh_sample sample; /* current scaling factor, in micro m/s^2 / lsb */ uint32_t scale; #ifdef CONFIG_LIS2DH_MEASURE_TEMPERATURE struct sensor_value temperature; #endif #ifdef CONFIG_PM_DEVICE uint8_t reg_ctrl1_active_val; #endif #ifdef CONFIG_LIS2DH_TRIGGER const struct device *dev; struct gpio_callback gpio_int1_cb; struct gpio_callback gpio_int2_cb; sensor_trigger_handler_t handler_drdy; sensor_trigger_handler_t handler_anymotion; atomic_t trig_flags; enum sensor_channel chan_drdy; #if defined(CONFIG_LIS2DH_TRIGGER_OWN_THREAD) K_KERNEL_STACK_MEMBER(thread_stack, CONFIG_LIS2DH_THREAD_STACK_SIZE); struct k_thread thread; struct k_sem gpio_sem; #elif defined(CONFIG_LIS2DH_TRIGGER_GLOBAL_THREAD) struct k_work work; #endif #endif /* CONFIG_LIS2DH_TRIGGER */ }; #if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) int lis2dh_spi_access(struct lis2dh_data *ctx, uint8_t cmd, void *data, size_t length); #endif #ifdef CONFIG_LIS2DH_TRIGGER int lis2dh_trigger_set(const struct device *dev, const struct sensor_trigger *trig, sensor_trigger_handler_t handler); int lis2dh_init_interrupt(const struct device *dev); int lis2dh_acc_slope_config(const struct device *dev, enum sensor_attribute attr, const struct sensor_value *val); #endif int lis2dh_spi_init(const struct device *dev); int lis2dh_i2c_init(const struct device *dev); #endif /* __SENSOR_LIS2DH__ */